Google Git
Sign in
chromium / chromium / src / ddcf55c02 / . / gpu / command_buffer / client / gles2_implementation.cc
blob: aa3b18d4e783c28b8bb69de4ca9198c64856346c [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// A class to emulate GLES2 over command buffers.
#include "gpu/command_buffer/client/gles2_implementation.h"
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES2/gl2extchromium.h>
#include <GLES3/gl3.h>
#include <stddef.h>
#include <stdint.h>
#include <algorithm>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include "base/atomic_sequence_num.h"
#include "base/compiler_specific.h"
#include "base/strings/string_split.h"
#include "base/strings/stringprintf.h"
#include "base/sys_info.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/trace_event/memory_allocator_dump.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event.h"
#include "gpu/command_buffer/client/buffer_tracker.h"
#include "gpu/command_buffer/client/gles2_cmd_helper.h"
#include "gpu/command_buffer/client/gpu_control.h"
#include "gpu/command_buffer/client/program_info_manager.h"
#include "gpu/command_buffer/client/query_tracker.h"
#include "gpu/command_buffer/client/shared_memory_limits.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/client/vertex_array_object_manager.h"
#include "gpu/command_buffer/common/gles2_cmd_utils.h"
#include "gpu/command_buffer/common/id_allocator.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#if defined(GPU_CLIENT_DEBUG)
#include "base/command_line.h"
#include "gpu/command_buffer/client/gpu_switches.h"
#endif
namespace gpu {
namespace gles2 {
namespace {
void CopyRectToBuffer(const void* pixels,
uint32_t height,
uint32_t unpadded_row_size,
uint32_t pixels_padded_row_size,
void* buffer,
uint32_t buffer_padded_row_size) {
if (height == 0)
return;
const int8_t* source = static_cast<const int8_t*>(pixels);
int8_t* dest = static_cast<int8_t*>(buffer);
if (pixels_padded_row_size != buffer_padded_row_size) {
for (uint32_t ii = 0; ii < height; ++ii) {
memcpy(dest, source, unpadded_row_size);
dest += buffer_padded_row_size;
source += pixels_padded_row_size;
}
} else {
uint32_t size = (height - 1) * pixels_padded_row_size + unpadded_row_size;
memcpy(dest, source, size);
}
}
// A 32-bit and 64-bit compatible way of converting a pointer to a GLuint.
GLuint ToGLuint(const void* ptr) {
return static_cast<GLuint>(reinterpret_cast<size_t>(ptr));
}
static base::StaticAtomicSequenceNumber g_flush_id;
uint32_t GenerateNextFlushId() {
return static_cast<uint32_t>(g_flush_id.GetNext());
}
} // anonymous namespace
#if !defined(_MSC_VER)
const size_t GLES2Implementation::kMaxSizeOfSimpleResult;
const unsigned int GLES2Implementation::kStartingOffset;
#endif
GLES2Implementation::GLStaticState::GLStaticState() {
}
GLES2Implementation::GLStaticState::~GLStaticState() {
}
GLES2Implementation::SingleThreadChecker::SingleThreadChecker(
GLES2Implementation* gles2_implementation)
: gles2_implementation_(gles2_implementation) {
CHECK_EQ(0, gles2_implementation_->use_count_);
++gles2_implementation_->use_count_;
}
GLES2Implementation::SingleThreadChecker::~SingleThreadChecker() {
--gles2_implementation_->use_count_;
CHECK_EQ(0, gles2_implementation_->use_count_);
}
GLES2Implementation::GLES2Implementation(
GLES2CmdHelper* helper,
scoped_refptr<ShareGroup> share_group,
TransferBufferInterface* transfer_buffer,
bool bind_generates_resource,
bool lose_context_when_out_of_memory,
bool support_client_side_arrays,
GpuControl* gpu_control)
: helper_(helper),
transfer_buffer_(transfer_buffer),
chromium_framebuffer_multisample_(kUnknownExtensionStatus),
pack_alignment_(4),
pack_row_length_(0),
pack_skip_pixels_(0),
pack_skip_rows_(0),
unpack_alignment_(4),
unpack_row_length_(0),
unpack_image_height_(0),
unpack_skip_rows_(0),
unpack_skip_pixels_(0),
unpack_skip_images_(0),
active_texture_unit_(0),
bound_framebuffer_(0),
bound_read_framebuffer_(0),
bound_renderbuffer_(0),
current_program_(0),
bound_array_buffer_(0),
bound_copy_read_buffer_(0),
bound_copy_write_buffer_(0),
bound_pixel_pack_buffer_(0),
bound_pixel_unpack_buffer_(0),
bound_transform_feedback_buffer_(0),
bound_uniform_buffer_(0),
bound_pixel_pack_transfer_buffer_id_(0),
bound_pixel_unpack_transfer_buffer_id_(0),
error_bits_(0),
debug_(false),
lose_context_when_out_of_memory_(lose_context_when_out_of_memory),
support_client_side_arrays_(support_client_side_arrays),
use_count_(0),
flush_id_(0),
max_extra_transfer_buffer_size_(
#if defined(OS_NACL)
0),
#else
// Do not use more than 5% of extra shared memory, and do not
// use any extra for memory contrained devices (<=1GB).
base::SysInfo::AmountOfPhysicalMemory() > 1024 * 1024 * 1024
? base::saturated_cast<uint32_t>(
base::SysInfo::AmountOfPhysicalMemory() / 20)
: 0),
#endif
current_trace_stack_(0),
gpu_control_(gpu_control),
capabilities_(gpu_control->GetCapabilities()),
aggressively_free_resources_(false),
cached_extension_string_(nullptr),
weak_ptr_factory_(this) {
DCHECK(helper);
DCHECK(transfer_buffer);
DCHECK(gpu_control);
std::stringstream ss;
ss << std::hex << this;
this_in_hex_ = ss.str();
GPU_CLIENT_LOG_CODE_BLOCK({
debug_ = base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableGPUClientLogging);
});
share_group_ =
(share_group ? std::move(share_group)
: new ShareGroup(
bind_generates_resource,
gpu_control_->GetCommandBufferID().GetUnsafeValue()));
DCHECK(share_group_->bind_generates_resource() == bind_generates_resource);
memset(&reserved_ids_, 0, sizeof(reserved_ids_));
}
bool GLES2Implementation::Initialize(
unsigned int starting_transfer_buffer_size,
unsigned int min_transfer_buffer_size,
unsigned int max_transfer_buffer_size,
unsigned int mapped_memory_limit) {
TRACE_EVENT0("gpu", "GLES2Implementation::Initialize");
DCHECK_GE(starting_transfer_buffer_size, min_transfer_buffer_size);
DCHECK_LE(starting_transfer_buffer_size, max_transfer_buffer_size);
DCHECK_GE(min_transfer_buffer_size, kStartingOffset);
gpu_control_->SetGpuControlClient(this);
if (!transfer_buffer_->Initialize(
starting_transfer_buffer_size,
kStartingOffset,
min_transfer_buffer_size,
max_transfer_buffer_size,
kAlignment,
kSizeToFlush)) {
return false;
}
mapped_memory_.reset(new MappedMemoryManager(helper_, mapped_memory_limit));
unsigned chunk_size = 2 * 1024 * 1024;
if (mapped_memory_limit != SharedMemoryLimits::kNoLimit) {
// Use smaller chunks if the client is very memory conscientious.
chunk_size = std::min(mapped_memory_limit / 4, chunk_size);
}
mapped_memory_->set_chunk_size_multiple(chunk_size);
GLStaticState::ShaderPrecisionMap* shader_precisions =
&static_state_.shader_precisions;
capabilities_.VisitPrecisions([shader_precisions](
GLenum shader, GLenum type, Capabilities::ShaderPrecision* result) {
const GLStaticState::ShaderPrecisionKey key(shader, type);
cmds::GetShaderPrecisionFormat::Result cached_result = {
true, result->min_range, result->max_range, result->precision};
shader_precisions->insert(std::make_pair(key, cached_result));
});
util_.set_num_compressed_texture_formats(
capabilities_.num_compressed_texture_formats);
util_.set_num_shader_binary_formats(capabilities_.num_shader_binary_formats);
texture_units_.reset(
new TextureUnit[capabilities_.max_combined_texture_image_units]);
query_tracker_.reset(new QueryTracker(mapped_memory_.get()));
buffer_tracker_.reset(new BufferTracker(mapped_memory_.get()));
query_id_allocator_.reset(new IdAllocator());
if (support_client_side_arrays_) {
GetIdHandler(id_namespaces::kBuffers)->MakeIds(
this, kClientSideArrayId, arraysize(reserved_ids_), &reserved_ids_[0]);
}
vertex_array_object_manager_.reset(new VertexArrayObjectManager(
capabilities_.max_vertex_attribs, reserved_ids_[0], reserved_ids_[1],
support_client_side_arrays_));
// GL_BIND_GENERATES_RESOURCE_CHROMIUM state must be the same
// on Client & Service.
if (capabilities_.bind_generates_resource_chromium !=
(share_group_->bind_generates_resource() ? 1 : 0)) {
SetGLError(GL_INVALID_OPERATION,
"Initialize",
"Service bind_generates_resource mismatch.");
return false;
}
// In certain cases, ThreadTaskRunnerHandle isn't set (Android Webview).
// Don't register a dump provider in these cases.
// TODO(ericrk): Get this working in Android Webview. crbug.com/517156
if (base::ThreadTaskRunnerHandle::IsSet()) {
base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
this, "GLES2Implementation", base::ThreadTaskRunnerHandle::Get());
}
return true;
}
GLES2Implementation::~GLES2Implementation() {
base::trace_event::MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
this);
// Make sure the queries are finished otherwise we'll delete the
// shared memory (mapped_memory_) which will free the memory used
// by the queries. The GPU process when validating that memory is still
// shared will fail and abort (ie, it will stop running).
WaitForCmd();
query_tracker_.reset();
// GLES2Implementation::Initialize() could fail before allocating
// reserved_ids_, so we need delete them carefully.
if (support_client_side_arrays_ && reserved_ids_[0]) {
DeleteBuffers(arraysize(reserved_ids_), &reserved_ids_[0]);
}
// Release remaining BufferRange mem; This is when a MapBufferRange() is
// called but not the UnmapBuffer() pair.
ClearMappedBufferRangeMap();
// Release any per-context data in share group.
share_group_->FreeContext(this);
buffer_tracker_.reset();
// Make sure the commands make it the service.
WaitForCmd();
// The gpu_control_ outlives this class, so clear the client on it before we
// self-destruct.
gpu_control_->SetGpuControlClient(nullptr);
}
GLES2CmdHelper* GLES2Implementation::helper() const {
return helper_;
}
IdHandlerInterface* GLES2Implementation::GetIdHandler(int namespace_id) const {
return share_group_->GetIdHandler(namespace_id);
}
RangeIdHandlerInterface* GLES2Implementation::GetRangeIdHandler(
int namespace_id) const {
return share_group_->GetRangeIdHandler(namespace_id);
}
IdAllocator* GLES2Implementation::GetIdAllocator(int namespace_id) const {
if (namespace_id == id_namespaces::kQueries)
return query_id_allocator_.get();
NOTREACHED();
return NULL;
}
void GLES2Implementation::OnGpuControlLostContext() {
// This should never occur more than once.
DCHECK(!lost_context_callback_run_);
lost_context_callback_run_ = true;
share_group_->Lose();
if (!lost_context_callback_.is_null())
lost_context_callback_.Run();
}
void GLES2Implementation::OnGpuControlLostContextMaybeReentrant() {
// Queries for lost context state should immediately reflect reality,
// but don't call out to clients yet to avoid them re-entering this
// class.
share_group_->Lose();
}
void GLES2Implementation::OnGpuControlErrorMessage(const char* message,
int32_t id) {
if (!error_message_callback_.is_null())
error_message_callback_.Run(message, id);
}
void* GLES2Implementation::GetResultBuffer() {
return transfer_buffer_->GetResultBuffer();
}
int32_t GLES2Implementation::GetResultShmId() {
return transfer_buffer_->GetShmId();
}
uint32_t GLES2Implementation::GetResultShmOffset() {
return transfer_buffer_->GetResultOffset();
}
void GLES2Implementation::FreeUnusedSharedMemory() {
mapped_memory_->FreeUnused();
}
void GLES2Implementation::FreeEverything() {
WaitForCmd();
query_tracker_->Shrink();
FreeUnusedSharedMemory();
transfer_buffer_->Free();
helper_->FreeRingBuffer();
}
void GLES2Implementation::RunIfContextNotLost(const base::Closure& callback) {
if (!lost_context_callback_run_)
callback.Run();
}
void GLES2Implementation::SignalSyncToken(const gpu::SyncToken& sync_token,
const base::Closure& callback) {
if (sync_token.HasData() &&
(sync_token.verified_flush() ||
gpu_control_->CanWaitUnverifiedSyncToken(&sync_token))) {
gpu::SyncToken intermediate_sync_token = sync_token;
// Mark the intermediate sync token as verified if we can wait on
// unverified sync tokens.
intermediate_sync_token.SetVerifyFlush();
gpu_control_->SignalSyncToken(
intermediate_sync_token,
base::Bind(&GLES2Implementation::RunIfContextNotLost,
weak_ptr_factory_.GetWeakPtr(),
callback));
} else {
// Invalid sync token, just call the callback immediately.
callback.Run();
}
}
void GLES2Implementation::SignalQuery(uint32_t query,
const base::Closure& callback) {
// Flush previously entered commands to ensure ordering with any
// glBeginQueryEXT() calls that may have been put into the context.
ShallowFlushCHROMIUM();
gpu_control_->SignalQuery(
query,
base::Bind(&GLES2Implementation::RunIfContextNotLost,
weak_ptr_factory_.GetWeakPtr(),
callback));
}
void GLES2Implementation::SetAggressivelyFreeResources(
bool aggressively_free_resources) {
TRACE_EVENT1("gpu", "GLES2Implementation::SetAggressivelyFreeResources",
"aggressively_free_resources", aggressively_free_resources);
aggressively_free_resources_ = aggressively_free_resources;
if (aggressively_free_resources_ && helper_->HaveRingBuffer()) {
// Ensure that we clean up as much cache memory as possible and fully flush.
FlushDriverCachesCHROMIUM();
// Flush will delete transfer buffer resources if
// |aggressively_free_resources_| is true.
Flush();
} else {
ShallowFlushCHROMIUM();
}
}
bool GLES2Implementation::OnMemoryDump(
const base::trace_event::MemoryDumpArgs& args,
base::trace_event::ProcessMemoryDump* pmd) {
if (!transfer_buffer_->HaveBuffer())
return true;
const uint64_t tracing_process_id =
base::trace_event::MemoryDumpManager::GetInstance()
->GetTracingProcessId();
base::trace_event::MemoryAllocatorDump* dump = pmd->CreateAllocatorDump(
base::StringPrintf("gpu/transfer_buffer_memory/buffer_%d",
transfer_buffer_->GetShmId()));
dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
base::trace_event::MemoryAllocatorDump::kUnitsBytes,
transfer_buffer_->GetSize());
dump->AddScalar("free_size",
base::trace_event::MemoryAllocatorDump::kUnitsBytes,
transfer_buffer_->GetFreeSize());
auto guid =
GetBufferGUIDForTracing(tracing_process_id, transfer_buffer_->GetShmId());
const int kImportance = 2;
pmd->CreateSharedGlobalAllocatorDump(guid);
pmd->AddOwnershipEdge(dump->guid(), guid, kImportance);
return true;
}
void GLES2Implementation::WaitForCmd() {
TRACE_EVENT0("gpu", "GLES2::WaitForCmd");
helper_->CommandBufferHelper::Finish();
}
bool GLES2Implementation::IsExtensionAvailable(const char* ext) {
const char* extensions =
reinterpret_cast<const char*>(GetStringHelper(GL_EXTENSIONS));
if (!extensions)
return false;
int length = strlen(ext);
while (true) {
int n = strcspn(extensions, " ");
if (n == length && 0 == strncmp(ext, extensions, length)) {
return true;
}
if ('\0' == extensions[n]) {
return false;
}
extensions += n + 1;
}
}
bool GLES2Implementation::IsExtensionAvailableHelper(
const char* extension, ExtensionStatus* status) {
switch (*status) {
case kAvailableExtensionStatus:
return true;
case kUnavailableExtensionStatus:
return false;
default: {
bool available = IsExtensionAvailable(extension);
*status = available ? kAvailableExtensionStatus :
kUnavailableExtensionStatus;
return available;
}
}
}
bool GLES2Implementation::IsChromiumFramebufferMultisampleAvailable() {
return IsExtensionAvailableHelper(
"GL_CHROMIUM_framebuffer_multisample",
&chromium_framebuffer_multisample_);
}
const std::string& GLES2Implementation::GetLogPrefix() const {
const std::string& prefix(debug_marker_manager_.GetMarker());
return prefix.empty() ? this_in_hex_ : prefix;
}
GLenum GLES2Implementation::GetError() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetError()");
GLenum err = GetGLError();
GPU_CLIENT_LOG("returned " << GLES2Util::GetStringError(err));
return err;
}
GLenum GLES2Implementation::GetClientSideGLError() {
if (error_bits_ == 0) {
return GL_NO_ERROR;
}
GLenum error = GL_NO_ERROR;
for (uint32_t mask = 1; mask != 0; mask = mask << 1) {
if ((error_bits_ & mask) != 0) {
error = GLES2Util::GLErrorBitToGLError(mask);
break;
}
}
error_bits_ &= ~GLES2Util::GLErrorToErrorBit(error);
return error;
}
GLenum GLES2Implementation::GetGLError() {
TRACE_EVENT0("gpu", "GLES2::GetGLError");
// Check the GL error first, then our wrapped error.
typedef cmds::GetError::Result Result;
Result* result = GetResultAs<Result*>();
// If we couldn't allocate a result the context is lost.
if (!result) {
return GL_NO_ERROR;
}
*result = GL_NO_ERROR;
helper_->GetError(GetResultShmId(), GetResultShmOffset());
WaitForCmd();
GLenum error = *result;
if (error == GL_NO_ERROR) {
error = GetClientSideGLError();
} else {
// There was an error, clear the corresponding wrapped error.
error_bits_ &= ~GLES2Util::GLErrorToErrorBit(error);
}
return error;
}
#if defined(GL_CLIENT_FAIL_GL_ERRORS)
void GLES2Implementation::FailGLError(GLenum error) {
if (error != GL_NO_ERROR) {
NOTREACHED() << "Error";
}
}
// NOTE: Calling GetGLError overwrites data in the result buffer.
void GLES2Implementation::CheckGLError() {
FailGLError(GetGLError());
}
#endif // defined(GPU_CLIENT_FAIL_GL_ERRORS)
void GLES2Implementation::SetGLError(
GLenum error, const char* function_name, const char* msg) {
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] Client Synthesized Error: "
<< GLES2Util::GetStringError(error) << ": "
<< function_name << ": " << msg);
FailGLError(error);
if (msg) {
last_error_ = msg;
}
if (!error_message_callback_.is_null()) {
std::string temp(GLES2Util::GetStringError(error) + " : " +
function_name + ": " + (msg ? msg : ""));
error_message_callback_.Run(temp.c_str(), 0);
}
error_bits_ |= GLES2Util::GLErrorToErrorBit(error);
if (error == GL_OUT_OF_MEMORY && lose_context_when_out_of_memory_) {
helper_->LoseContextCHROMIUM(GL_GUILTY_CONTEXT_RESET_ARB,
GL_UNKNOWN_CONTEXT_RESET_ARB);
}
}
void GLES2Implementation::SetGLErrorInvalidEnum(
const char* function_name, GLenum value, const char* label) {
SetGLError(GL_INVALID_ENUM, function_name,
(std::string(label) + " was " +
GLES2Util::GetStringEnum(value)).c_str());
}
bool GLES2Implementation::GetBucketContents(uint32_t bucket_id,
std::vector<int8_t>* data) {
TRACE_EVENT0("gpu", "GLES2::GetBucketContents");
DCHECK(data);
const uint32_t kStartSize = 32 * 1024;
ScopedTransferBufferPtr buffer(kStartSize, helper_, transfer_buffer_);
if (!buffer.valid()) {
return false;
}
typedef cmd::GetBucketStart::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
*result = 0;
helper_->GetBucketStart(
bucket_id, GetResultShmId(), GetResultShmOffset(),
buffer.size(), buffer.shm_id(), buffer.offset());
WaitForCmd();
uint32_t size = *result;
data->resize(size);
if (size > 0u) {
uint32_t offset = 0;
while (size) {
if (!buffer.valid()) {
buffer.Reset(size);
if (!buffer.valid()) {
return false;
}
helper_->GetBucketData(
bucket_id, offset, buffer.size(), buffer.shm_id(), buffer.offset());
WaitForCmd();
}
uint32_t size_to_copy = std::min(size, buffer.size());
memcpy(&(*data)[offset], buffer.address(), size_to_copy);
offset += size_to_copy;
size -= size_to_copy;
buffer.Release();
}
// Free the bucket. This is not required but it does free up the memory.
// and we don't have to wait for the result so from the client's perspective
// it's cheap.
helper_->SetBucketSize(bucket_id, 0);
}
return true;
}
void GLES2Implementation::SetBucketContents(uint32_t bucket_id,
const void* data,
size_t size) {
DCHECK(data);
helper_->SetBucketSize(bucket_id, size);
if (size > 0u) {
uint32_t offset = 0;
while (size) {
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
if (!buffer.valid()) {
return;
}
memcpy(buffer.address(), static_cast<const int8_t*>(data) + offset,
buffer.size());
helper_->SetBucketData(
bucket_id, offset, buffer.size(), buffer.shm_id(), buffer.offset());
offset += buffer.size();
size -= buffer.size();
}
}
}
void GLES2Implementation::SetBucketAsCString(uint32_t bucket_id,
const char* str) {
// NOTE: strings are passed NULL terminated. That means the empty
// string will have a size of 1 and no-string will have a size of 0
if (str) {
SetBucketContents(bucket_id, str, strlen(str) + 1);
} else {
helper_->SetBucketSize(bucket_id, 0);
}
}
bool GLES2Implementation::GetBucketAsString(uint32_t bucket_id,
std::string* str) {
DCHECK(str);
std::vector<int8_t> data;
// NOTE: strings are passed NULL terminated. That means the empty
// string will have a size of 1 and no-string will have a size of 0
if (!GetBucketContents(bucket_id, &data)) {
return false;
}
if (data.empty()) {
return false;
}
str->assign(&data[0], &data[0] + data.size() - 1);
return true;
}
void GLES2Implementation::SetBucketAsString(uint32_t bucket_id,
const std::string& str) {
// NOTE: strings are passed NULL terminated. That means the empty
// string will have a size of 1 and no-string will have a size of 0
SetBucketContents(bucket_id, str.c_str(), str.size() + 1);
}
void GLES2Implementation::Disable(GLenum cap) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDisable("
<< GLES2Util::GetStringCapability(cap) << ")");
bool changed = false;
if (!state_.SetCapabilityState(cap, false, &changed) || changed) {
helper_->Disable(cap);
}
CheckGLError();
}
void GLES2Implementation::Enable(GLenum cap) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glEnable("
<< GLES2Util::GetStringCapability(cap) << ")");
bool changed = false;
if (!state_.SetCapabilityState(cap, true, &changed) || changed) {
helper_->Enable(cap);
}
CheckGLError();
}
GLboolean GLES2Implementation::IsEnabled(GLenum cap) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glIsEnabled("
<< GLES2Util::GetStringCapability(cap) << ")");
bool state = false;
if (!state_.GetEnabled(cap, &state)) {
typedef cmds::IsEnabled::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return GL_FALSE;
}
*result = 0;
helper_->IsEnabled(cap, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
state = (*result) != 0;
}
GPU_CLIENT_LOG("returned " << state);
CheckGLError();
return state;
}
bool GLES2Implementation::GetHelper(GLenum pname, GLint* params) {
// TODO(zmo): For all the BINDING points, there is a possibility where
// resources are shared among multiple contexts, that the cached points
// are invalid. It is not a problem for now, but once we allow resource
// sharing in WebGL, we need to implement a mechanism to allow correct
// client side binding points tracking. crbug.com/465562.
// ES2 parameters.
switch (pname) {
case GL_ACTIVE_TEXTURE:
*params = active_texture_unit_ + GL_TEXTURE0;
return true;
case GL_ARRAY_BUFFER_BINDING:
*params = bound_array_buffer_;
return true;
case GL_ELEMENT_ARRAY_BUFFER_BINDING:
*params =
vertex_array_object_manager_->bound_element_array_buffer();
return true;
case GL_FRAMEBUFFER_BINDING:
*params = bound_framebuffer_;
return true;
case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
*params = capabilities_.max_combined_texture_image_units;
return true;
case GL_MAX_CUBE_MAP_TEXTURE_SIZE:
*params = capabilities_.max_cube_map_texture_size;
return true;
case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
*params = capabilities_.max_fragment_uniform_vectors;
return true;
case GL_MAX_RENDERBUFFER_SIZE:
*params = capabilities_.max_renderbuffer_size;
return true;
case GL_MAX_TEXTURE_IMAGE_UNITS:
*params = capabilities_.max_texture_image_units;
return true;
case GL_MAX_TEXTURE_SIZE:
*params = capabilities_.max_texture_size;
return true;
case GL_MAX_VARYING_VECTORS:
*params = capabilities_.max_varying_vectors;
return true;
case GL_MAX_VERTEX_ATTRIBS:
*params = capabilities_.max_vertex_attribs;
return true;
case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
*params = capabilities_.max_vertex_texture_image_units;
return true;
case GL_MAX_VERTEX_UNIFORM_VECTORS:
*params = capabilities_.max_vertex_uniform_vectors;
return true;
case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
*params = capabilities_.num_compressed_texture_formats;
return true;
case GL_NUM_SHADER_BINARY_FORMATS:
*params = capabilities_.num_shader_binary_formats;
return true;
case GL_RENDERBUFFER_BINDING:
*params = bound_renderbuffer_;
return true;
case GL_TEXTURE_BINDING_2D:
*params = texture_units_[active_texture_unit_].bound_texture_2d;
return true;
case GL_TEXTURE_BINDING_CUBE_MAP:
*params = texture_units_[active_texture_unit_].bound_texture_cube_map;
return true;
// Non-standard parameters.
case GL_TEXTURE_BINDING_EXTERNAL_OES:
*params =
texture_units_[active_texture_unit_].bound_texture_external_oes;
return true;
case GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM:
*params = bound_pixel_pack_transfer_buffer_id_;
return true;
case GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM:
*params = bound_pixel_unpack_transfer_buffer_id_;
return true;
case GL_READ_FRAMEBUFFER_BINDING:
if (IsChromiumFramebufferMultisampleAvailable()) {
*params = bound_read_framebuffer_;
return true;
}
break;
case GL_TIMESTAMP_EXT:
// We convert all GPU timestamps to CPU time.
*params = base::saturated_cast<GLint>(
(base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds()
* base::Time::kNanosecondsPerMicrosecond);
return true;
case GL_GPU_DISJOINT_EXT:
*params = static_cast<GLint>(query_tracker_->CheckAndResetDisjoint());
return true;
// Non-cached parameters.
case GL_ALIASED_LINE_WIDTH_RANGE:
case GL_ALIASED_POINT_SIZE_RANGE:
case GL_ALPHA_BITS:
case GL_BLEND:
case GL_BLEND_COLOR:
case GL_BLEND_DST_ALPHA:
case GL_BLEND_DST_RGB:
case GL_BLEND_EQUATION_ALPHA:
case GL_BLEND_EQUATION_RGB:
case GL_BLEND_SRC_ALPHA:
case GL_BLEND_SRC_RGB:
case GL_BLUE_BITS:
case GL_COLOR_CLEAR_VALUE:
case GL_COLOR_WRITEMASK:
case GL_COMPRESSED_TEXTURE_FORMATS:
case GL_CULL_FACE:
case GL_CULL_FACE_MODE:
case GL_CURRENT_PROGRAM:
case GL_DEPTH_BITS:
case GL_DEPTH_CLEAR_VALUE:
case GL_DEPTH_FUNC:
case GL_DEPTH_RANGE:
case GL_DEPTH_TEST:
case GL_DEPTH_WRITEMASK:
case GL_DITHER:
case GL_FRONT_FACE:
case GL_GENERATE_MIPMAP_HINT:
case GL_GREEN_BITS:
case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
case GL_IMPLEMENTATION_COLOR_READ_TYPE:
case GL_LINE_WIDTH:
case GL_MAX_VIEWPORT_DIMS:
case GL_PACK_ALIGNMENT:
case GL_POLYGON_OFFSET_FACTOR:
case GL_POLYGON_OFFSET_FILL:
case GL_POLYGON_OFFSET_UNITS:
case GL_RED_BITS:
case GL_SAMPLE_ALPHA_TO_COVERAGE:
case GL_SAMPLE_BUFFERS:
case GL_SAMPLE_COVERAGE:
case GL_SAMPLE_COVERAGE_INVERT:
case GL_SAMPLE_COVERAGE_VALUE:
case GL_SAMPLES:
case GL_SCISSOR_BOX:
case GL_SCISSOR_TEST:
case GL_SHADER_BINARY_FORMATS:
case GL_SHADER_COMPILER:
case GL_STENCIL_BACK_FAIL:
case GL_STENCIL_BACK_FUNC:
case GL_STENCIL_BACK_PASS_DEPTH_FAIL:
case GL_STENCIL_BACK_PASS_DEPTH_PASS:
case GL_STENCIL_BACK_REF:
case GL_STENCIL_BACK_VALUE_MASK:
case GL_STENCIL_BACK_WRITEMASK:
case GL_STENCIL_BITS:
case GL_STENCIL_CLEAR_VALUE:
case GL_STENCIL_FAIL:
case GL_STENCIL_FUNC:
case GL_STENCIL_PASS_DEPTH_FAIL:
case GL_STENCIL_PASS_DEPTH_PASS:
case GL_STENCIL_REF:
case GL_STENCIL_TEST:
case GL_STENCIL_VALUE_MASK:
case GL_STENCIL_WRITEMASK:
case GL_SUBPIXEL_BITS:
case GL_UNPACK_ALIGNMENT:
case GL_VIEWPORT:
return false;
default:
break;
}
if (capabilities_.major_version < 3) {
return false;
}
// ES3 parameters.
switch (pname) {
case GL_COPY_READ_BUFFER_BINDING:
*params = bound_copy_read_buffer_;
return true;
case GL_COPY_WRITE_BUFFER_BINDING:
*params = bound_copy_write_buffer_;
return true;
case GL_MAJOR_VERSION:
*params = capabilities_.major_version;
return true;
case GL_MAX_3D_TEXTURE_SIZE:
*params = capabilities_.max_3d_texture_size;
return true;
case GL_MAX_ARRAY_TEXTURE_LAYERS:
*params = capabilities_.max_array_texture_layers;
return true;
case GL_MAX_COLOR_ATTACHMENTS:
*params = capabilities_.max_color_attachments;
return true;
case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
*params = static_cast<GLint>(
capabilities_.max_combined_fragment_uniform_components);
return true;
case GL_MAX_COMBINED_UNIFORM_BLOCKS:
*params = capabilities_.max_combined_uniform_blocks;
return true;
case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
*params = static_cast<GLint>(
capabilities_.max_combined_vertex_uniform_components);
return true;
case GL_MAX_DRAW_BUFFERS:
*params = capabilities_.max_draw_buffers;
return true;
case GL_MAX_ELEMENT_INDEX:
*params = static_cast<GLint>(capabilities_.max_element_index);
return true;
case GL_MAX_ELEMENTS_INDICES:
*params = capabilities_.max_elements_indices;
return true;
case GL_MAX_ELEMENTS_VERTICES:
*params = capabilities_.max_elements_vertices;
return true;
case GL_MAX_FRAGMENT_INPUT_COMPONENTS:
*params = capabilities_.max_fragment_input_components;
return true;
case GL_MAX_FRAGMENT_UNIFORM_BLOCKS:
*params = capabilities_.max_fragment_uniform_blocks;
return true;
case GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
*params = capabilities_.max_fragment_uniform_components;
return true;
case GL_MAX_PROGRAM_TEXEL_OFFSET:
*params = capabilities_.max_program_texel_offset;
return true;
case GL_MAX_SAMPLES:
*params = capabilities_.max_samples;
return true;
case GL_MAX_SERVER_WAIT_TIMEOUT:
*params = static_cast<GLint>(capabilities_.max_server_wait_timeout);
return true;
case GL_MAX_TEXTURE_LOD_BIAS:
*params = static_cast<GLint>(capabilities_.max_texture_lod_bias);
return true;
case GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS:
*params = capabilities_.max_transform_feedback_interleaved_components;
return true;
case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS:
*params = capabilities_.max_transform_feedback_separate_attribs;
return true;
case GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS:
*params = capabilities_.max_transform_feedback_separate_components;
return true;
case GL_MAX_UNIFORM_BLOCK_SIZE:
*params = static_cast<GLint>(capabilities_.max_uniform_block_size);
return true;
case GL_MAX_UNIFORM_BUFFER_BINDINGS:
*params = capabilities_.max_uniform_buffer_bindings;
return true;
case GL_MAX_VARYING_COMPONENTS:
*params = capabilities_.max_varying_components;
return true;
case GL_MAX_VERTEX_OUTPUT_COMPONENTS:
*params = capabilities_.max_vertex_output_components;
return true;
case GL_MAX_VERTEX_UNIFORM_BLOCKS:
*params = capabilities_.max_vertex_uniform_blocks;
return true;
case GL_MAX_VERTEX_UNIFORM_COMPONENTS:
*params = capabilities_.max_vertex_uniform_components;
return true;
case GL_MIN_PROGRAM_TEXEL_OFFSET:
*params = capabilities_.min_program_texel_offset;
return true;
case GL_MINOR_VERSION:
*params = capabilities_.minor_version;
return true;
case GL_NUM_EXTENSIONS:
UpdateCachedExtensionsIfNeeded();
*params = cached_extensions_.size();
return true;
case GL_NUM_PROGRAM_BINARY_FORMATS:
*params = capabilities_.num_program_binary_formats;
return true;
case GL_PACK_SKIP_PIXELS:
*params = pack_skip_pixels_;
return true;
case GL_PACK_SKIP_ROWS:
*params = pack_skip_rows_;
return true;
case GL_PIXEL_PACK_BUFFER_BINDING:
*params = bound_pixel_pack_buffer_;
return true;
case GL_PIXEL_UNPACK_BUFFER_BINDING:
*params = bound_pixel_unpack_buffer_;
return true;
case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
*params = bound_transform_feedback_buffer_;
return true;
case GL_UNIFORM_BUFFER_BINDING:
*params = bound_uniform_buffer_;
return true;
case GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT:
*params = capabilities_.uniform_buffer_offset_alignment;
return true;
case GL_UNPACK_SKIP_IMAGES:
*params = unpack_skip_images_;
return true;
case GL_UNPACK_SKIP_PIXELS:
*params = unpack_skip_pixels_;
return true;
case GL_UNPACK_SKIP_ROWS:
*params = unpack_skip_rows_;
return true;
// Non-cached ES3 parameters.
case GL_DRAW_BUFFER0:
case GL_DRAW_BUFFER1:
case GL_DRAW_BUFFER2:
case GL_DRAW_BUFFER3:
case GL_DRAW_BUFFER4:
case GL_DRAW_BUFFER5:
case GL_DRAW_BUFFER6:
case GL_DRAW_BUFFER7:
case GL_DRAW_BUFFER8:
case GL_DRAW_BUFFER9:
case GL_DRAW_BUFFER10:
case GL_DRAW_BUFFER11:
case GL_DRAW_BUFFER12:
case GL_DRAW_BUFFER13:
case GL_DRAW_BUFFER14:
case GL_DRAW_BUFFER15:
case GL_DRAW_FRAMEBUFFER_BINDING:
case GL_FRAGMENT_SHADER_DERIVATIVE_HINT:
case GL_PACK_ROW_LENGTH:
case GL_PRIMITIVE_RESTART_FIXED_INDEX:
case GL_PROGRAM_BINARY_FORMATS:
case GL_RASTERIZER_DISCARD:
case GL_READ_BUFFER:
case GL_READ_FRAMEBUFFER_BINDING:
case GL_SAMPLER_BINDING:
case GL_TEXTURE_BINDING_2D_ARRAY:
case GL_TEXTURE_BINDING_3D:
case GL_TRANSFORM_FEEDBACK_BINDING:
case GL_TRANSFORM_FEEDBACK_ACTIVE:
case GL_TRANSFORM_FEEDBACK_PAUSED:
case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
case GL_TRANSFORM_FEEDBACK_BUFFER_START:
case GL_UNIFORM_BUFFER_SIZE:
case GL_UNIFORM_BUFFER_START:
case GL_UNPACK_IMAGE_HEIGHT:
case GL_UNPACK_ROW_LENGTH:
case GL_VERTEX_ARRAY_BINDING:
return false;
default:
return false;
}
}
bool GLES2Implementation::GetBooleanvHelper(GLenum pname, GLboolean* params) {
// TODO(gman): Make this handle pnames that return more than 1 value.
GLint value;
if (!GetHelper(pname, &value)) {
return false;
}
*params = static_cast<GLboolean>(value);
return true;
}
bool GLES2Implementation::GetFloatvHelper(GLenum pname, GLfloat* params) {
// TODO(gman): Make this handle pnames that return more than 1 value.
switch (pname) {
case GL_MAX_TEXTURE_LOD_BIAS:
*params = capabilities_.max_texture_lod_bias;
return true;
default:
break;
}
GLint value;
if (!GetHelper(pname, &value)) {
return false;
}
*params = static_cast<GLfloat>(value);
return true;
}
bool GLES2Implementation::GetInteger64vHelper(GLenum pname, GLint64* params) {
switch (pname) {
case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:
*params = capabilities_.max_combined_fragment_uniform_components;
return true;
case GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:
*params = capabilities_.max_combined_vertex_uniform_components;
return true;
case GL_MAX_ELEMENT_INDEX:
*params = capabilities_.max_element_index;
return true;
case GL_MAX_SERVER_WAIT_TIMEOUT:
*params = capabilities_.max_server_wait_timeout;
return true;
case GL_MAX_UNIFORM_BLOCK_SIZE:
*params = capabilities_.max_uniform_block_size;
return true;
case GL_TIMESTAMP_EXT:
// We convert all GPU timestamps to CPU time.
*params = (base::TimeTicks::Now() - base::TimeTicks()).InMicroseconds()
* base::Time::kNanosecondsPerMicrosecond;
return true;
default:
break;
}
GLint value;
if (!GetHelper(pname, &value)) {
return false;
}
*params = static_cast<GLint64>(value);
return true;
}
bool GLES2Implementation::GetIntegervHelper(GLenum pname, GLint* params) {
return GetHelper(pname, params);
}
bool GLES2Implementation::GetIntegeri_vHelper(
GLenum pname, GLuint index, GLint* data) {
// TODO(zmo): Implement client side caching.
return false;
}
bool GLES2Implementation::GetInteger64i_vHelper(
GLenum pname, GLuint index, GLint64* data) {
// TODO(zmo): Implement client side caching.
return false;
}
bool GLES2Implementation::GetInternalformativHelper(
GLenum target, GLenum format, GLenum pname, GLsizei bufSize,
GLint* params) {
// TODO(zmo): Implement the client side caching.
return false;
}
bool GLES2Implementation::GetSyncivHelper(
GLsync sync, GLenum pname, GLsizei bufsize, GLsizei* length,
GLint* values) {
GLint value = 0;
switch (pname) {
case GL_OBJECT_TYPE:
value = GL_SYNC_FENCE;
break;
case GL_SYNC_CONDITION:
value = GL_SYNC_GPU_COMMANDS_COMPLETE;
break;
case GL_SYNC_FLAGS:
value = 0;
break;
default:
return false;
}
if (bufsize > 0) {
DCHECK(values);
*values = value;
}
if (length) {
*length = 1;
}
return true;
}
bool GLES2Implementation::GetQueryObjectValueHelper(
const char* function_name, GLuint id, GLenum pname, GLuint64* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] GetQueryObjectValueHelper("
<< id << ", "
<< GLES2Util::GetStringQueryObjectParameter(pname) << ", "
<< static_cast<const void*>(params) << ")");
QueryTracker::Query* query = query_tracker_->GetQuery(id);
if (!query) {
SetGLError(GL_INVALID_OPERATION,
function_name, "unknown query id");
return false;
}
if (query->Active()) {
SetGLError(
GL_INVALID_OPERATION,
function_name,
"query active. Did you call glEndQueryEXT?");
return false;
}
if (query->NeverUsed()) {
SetGLError(
GL_INVALID_OPERATION,
function_name, "Never used. Did you call glBeginQueryEXT?");
return false;
}
bool valid_value = false;
switch (pname) {
case GL_QUERY_RESULT_EXT:
if (!query->CheckResultsAvailable(helper_)) {
helper_->WaitForToken(query->token());
if (!query->CheckResultsAvailable(helper_)) {
FinishHelper();
CHECK(query->CheckResultsAvailable(helper_));
}
}
*params = query->GetResult();
valid_value = true;
break;
case GL_QUERY_RESULT_AVAILABLE_EXT:
*params = query->CheckResultsAvailable(helper_);
valid_value = true;
break;
default:
SetGLErrorInvalidEnum(function_name, pname, "pname");
break;
}
GPU_CLIENT_LOG(" " << *params);
CheckGLError();
return valid_value;
}
GLuint GLES2Implementation::GetMaxValueInBufferCHROMIUMHelper(
GLuint buffer_id, GLsizei count, GLenum type, GLuint offset) {
typedef cmds::GetMaxValueInBufferCHROMIUM::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return 0;
}
*result = 0;
helper_->GetMaxValueInBufferCHROMIUM(
buffer_id, count, type, offset, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
return *result;
}
GLuint GLES2Implementation::GetMaxValueInBufferCHROMIUM(
GLuint buffer_id, GLsizei count, GLenum type, GLuint offset) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetMaxValueInBufferCHROMIUM("
<< buffer_id << ", " << count << ", "
<< GLES2Util::GetStringGetMaxIndexType(type)
<< ", " << offset << ")");
GLuint result = GetMaxValueInBufferCHROMIUMHelper(
buffer_id, count, type, offset);
GPU_CLIENT_LOG("returned " << result);
CheckGLError();
return result;
}
void GLES2Implementation::RestoreElementAndArrayBuffers(bool restore) {
if (restore) {
RestoreArrayBuffer(restore);
// Restore the element array binding.
// We only need to restore it if it wasn't a client side array.
if (vertex_array_object_manager_->bound_element_array_buffer() == 0) {
helper_->BindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
}
}
void GLES2Implementation::RestoreArrayBuffer(bool restore) {
if (restore) {
// Restore the user's current binding.
helper_->BindBuffer(GL_ARRAY_BUFFER, bound_array_buffer_);
}
}
void GLES2Implementation::DrawElements(
GLenum mode, GLsizei count, GLenum type, const void* indices) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDrawElements("
<< GLES2Util::GetStringDrawMode(mode) << ", "
<< count << ", "
<< GLES2Util::GetStringIndexType(type) << ", "
<< static_cast<const void*>(indices) << ")");
DrawElementsImpl(mode, count, type, indices, "glDrawElements");
}
void GLES2Implementation::DrawRangeElements(
GLenum mode, GLuint start, GLuint end,
GLsizei count, GLenum type, const void* indices) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDrawRangeElements("
<< GLES2Util::GetStringDrawMode(mode) << ", "
<< start << ", " << end << ", " << count << ", "
<< GLES2Util::GetStringIndexType(type) << ", "
<< static_cast<const void*>(indices) << ")");
if (end < start) {
SetGLError(GL_INVALID_VALUE, "glDrawRangeElements", "end < start");
return;
}
DrawElementsImpl(mode, count, type, indices, "glDrawRangeElements");
}
void GLES2Implementation::DrawElementsImpl(
GLenum mode, GLsizei count, GLenum type, const void* indices,
const char* func_name) {
if (count < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "count < 0");
return;
}
bool simulated = false;
GLuint offset = ToGLuint(indices);
if (count > 0) {
if (vertex_array_object_manager_->bound_element_array_buffer() != 0 &&
!ValidateOffset(func_name, reinterpret_cast<GLintptr>(indices))) {
return;
}
if (!vertex_array_object_manager_->SetupSimulatedIndexAndClientSideBuffers(
func_name, this, helper_, count, type, 0, indices,
&offset, &simulated)) {
return;
}
}
helper_->DrawElements(mode, count, type, offset);
RestoreElementAndArrayBuffers(simulated);
CheckGLError();
}
void GLES2Implementation::Flush() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glFlush()");
flush_id_ = GenerateNextFlushId();
// Insert the cmd to call glFlush
helper_->Flush();
FlushHelper();
}
void GLES2Implementation::ShallowFlushCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glShallowFlushCHROMIUM()");
flush_id_ = GenerateNextFlushId();
FlushHelper();
}
void GLES2Implementation::FlushHelper() {
// Flush our command buffer
// (tell the service to execute up to the flush cmd.)
helper_->CommandBufferHelper::Flush();
if (aggressively_free_resources_)
FreeEverything();
}
void GLES2Implementation::OrderingBarrierCHROMIUM() {
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glOrderingBarrierCHROMIUM");
// Flush command buffer at the GPU channel level. May be implemented as
// Flush().
helper_->CommandBufferHelper::OrderingBarrier();
}
void GLES2Implementation::Finish() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
flush_id_ = GenerateNextFlushId();
FinishHelper();
}
void GLES2Implementation::ShallowFinishCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
TRACE_EVENT0("gpu", "GLES2::ShallowFinishCHROMIUM");
flush_id_ = GenerateNextFlushId();
// Flush our command buffer (tell the service to execute up to the flush cmd
// and don't return until it completes).
helper_->CommandBufferHelper::Finish();
if (aggressively_free_resources_)
FreeEverything();
}
void GLES2Implementation::FinishHelper() {
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glFinish()");
TRACE_EVENT0("gpu", "GLES2::Finish");
// Insert the cmd to call glFinish
helper_->Finish();
// Finish our command buffer
// (tell the service to execute up to the Finish cmd and wait for it to
// execute.)
helper_->CommandBufferHelper::Finish();
if (aggressively_free_resources_)
FreeEverything();
}
GLuint GLES2Implementation::GetLastFlushIdCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetLastFlushIdCHROMIUM()");
return flush_id_;
}
void GLES2Implementation::SwapBuffers() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSwapBuffers()");
// TODO(piman): Strictly speaking we'd want to insert the token after the
// swap, but the state update with the updated token might not have happened
// by the time the SwapBuffer callback gets called, forcing us to synchronize
// with the GPU process more than needed. So instead, make it happen before.
// All it means is that we could be slightly looser on the kMaxSwapBuffers
// semantics if the client doesn't use the callback mechanism, and by chance
// the scheduler yields between the InsertToken and the SwapBuffers.
swap_buffers_tokens_.push(helper_->InsertToken());
helper_->SwapBuffers();
helper_->CommandBufferHelper::Flush();
// Wait if we added too many swap buffers. Add 1 to kMaxSwapBuffers to
// compensate for TODO above.
if (swap_buffers_tokens_.size() > kMaxSwapBuffers + 1) {
helper_->WaitForToken(swap_buffers_tokens_.front());
swap_buffers_tokens_.pop();
}
}
void GLES2Implementation::SwapInterval(int interval) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glSwapInterval("
<< interval << ")");
helper_->SwapInterval(interval);
}
void GLES2Implementation::BindAttribLocation(
GLuint program, GLuint index, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindAttribLocation("
<< program << ", " << index << ", " << name << ")");
SetBucketAsString(kResultBucketId, name);
helper_->BindAttribLocationBucket(program, index, kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::BindFragDataLocationEXT(GLuint program,
GLuint colorName,
const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindFragDataLocationEXT("
<< program << ", " << colorName << ", " << name << ")");
SetBucketAsString(kResultBucketId, name);
helper_->BindFragDataLocationEXTBucket(program, colorName, kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::BindFragDataLocationIndexedEXT(GLuint program,
GLuint colorName,
GLuint index,
const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindFragDataLocationEXT("
<< program << ", " << colorName << ", " << index << ", "
<< name << ")");
SetBucketAsString(kResultBucketId, name);
helper_->BindFragDataLocationIndexedEXTBucket(program, colorName, index,
kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::BindUniformLocationCHROMIUM(
GLuint program, GLint location, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBindUniformLocationCHROMIUM("
<< program << ", " << location << ", " << name << ")");
SetBucketAsString(kResultBucketId, name);
helper_->BindUniformLocationCHROMIUMBucket(
program, location, kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::GetVertexAttribPointerv(
GLuint index, GLenum pname, void** ptr) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetVertexAttribPointer("
<< index << ", " << GLES2Util::GetStringVertexPointer(pname) << ", "
<< static_cast<void*>(ptr) << ")");
GPU_CLIENT_LOG_CODE_BLOCK(int32_t num_results = 1);
if (!vertex_array_object_manager_->GetAttribPointer(index, pname, ptr)) {
TRACE_EVENT0("gpu", "GLES2::GetVertexAttribPointerv");
typedef cmds::GetVertexAttribPointerv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetVertexAttribPointerv(
index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(ptr);
GPU_CLIENT_LOG_CODE_BLOCK(num_results = result->GetNumResults());
}
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < num_results; ++i) {
GPU_CLIENT_LOG(" " << i << ": " << ptr[i]);
}
});
CheckGLError();
}
bool GLES2Implementation::DeleteProgramHelper(GLuint program) {
if (!GetIdHandler(id_namespaces::kProgramsAndShaders)->FreeIds(
this, 1, &program, &GLES2Implementation::DeleteProgramStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteProgram", "id not created by this context.");
return false;
}
if (program == current_program_) {
current_program_ = 0;
}
return true;
}
void GLES2Implementation::DeleteProgramStub(
GLsizei n, const GLuint* programs) {
DCHECK_EQ(1, n);
share_group_->program_info_manager()->DeleteInfo(programs[0]);
helper_->DeleteProgram(programs[0]);
}
bool GLES2Implementation::DeleteShaderHelper(GLuint shader) {
if (!GetIdHandler(id_namespaces::kProgramsAndShaders)->FreeIds(
this, 1, &shader, &GLES2Implementation::DeleteShaderStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteShader", "id not created by this context.");
return false;
}
return true;
}
void GLES2Implementation::DeleteShaderStub(
GLsizei n, const GLuint* shaders) {
DCHECK_EQ(1, n);
share_group_->program_info_manager()->DeleteInfo(shaders[0]);
helper_->DeleteShader(shaders[0]);
}
void GLES2Implementation::DeleteSyncHelper(GLsync sync) {
GLuint sync_uint = ToGLuint(sync);
if (!GetIdHandler(id_namespaces::kSyncs)->FreeIds(
this, 1, &sync_uint, &GLES2Implementation::DeleteSyncStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteSync", "id not created by this context.");
}
}
void GLES2Implementation::DeleteSyncStub(GLsizei n, const GLuint* syncs) {
DCHECK_EQ(1, n);
helper_->DeleteSync(syncs[0]);
}
GLint GLES2Implementation::GetAttribLocationHelper(
GLuint program, const char* name) {
typedef cmds::GetAttribLocation::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return -1;
}
*result = -1;
SetBucketAsCString(kResultBucketId, name);
helper_->GetAttribLocation(
program, kResultBucketId, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
return *result;
}
GLint GLES2Implementation::GetAttribLocation(
GLuint program, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetAttribLocation(" << program
<< ", " << name << ")");
TRACE_EVENT0("gpu", "GLES2::GetAttribLocation");
GLint loc = share_group_->program_info_manager()->GetAttribLocation(
this, program, name);
GPU_CLIENT_LOG("returned " << loc);
CheckGLError();
return loc;
}
GLint GLES2Implementation::GetUniformLocationHelper(
GLuint program, const char* name) {
typedef cmds::GetUniformLocation::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return -1;
}
*result = -1;
SetBucketAsCString(kResultBucketId, name);
helper_->GetUniformLocation(program, kResultBucketId,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
return *result;
}
GLint GLES2Implementation::GetUniformLocation(
GLuint program, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformLocation(" << program
<< ", " << name << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformLocation");
GLint loc = share_group_->program_info_manager()->GetUniformLocation(
this, program, name);
GPU_CLIENT_LOG("returned " << loc);
CheckGLError();
return loc;
}
bool GLES2Implementation::GetUniformIndicesHelper(
GLuint program, GLsizei count, const char* const* names, GLuint* indices) {
typedef cmds::GetUniformIndices::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
result->SetNumResults(0);
if (!PackStringsToBucket(count, names, NULL, "glGetUniformIndices")) {
return false;
}
helper_->GetUniformIndices(program, kResultBucketId,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->GetNumResults() != count) {
return false;
}
result->CopyResult(indices);
return true;
}
void GLES2Implementation::GetUniformIndices(
GLuint program, GLsizei count, const char* const* names, GLuint* indices) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformIndices(" << program
<< ", " << count << ", " << names << ", " << indices << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformIndices");
if (count < 0) {
SetGLError(GL_INVALID_VALUE, "glGetUniformIndices", "count < 0");
return;
}
if (count == 0) {
return;
}
bool success = share_group_->program_info_manager()->GetUniformIndices(
this, program, count, names, indices);
if (success) {
GPU_CLIENT_LOG_CODE_BLOCK({
for (GLsizei ii = 0; ii < count; ++ii) {
GPU_CLIENT_LOG(" " << ii << ": " << indices[ii]);
}
});
}
CheckGLError();
}
bool GLES2Implementation::GetProgramivHelper(
GLuint program, GLenum pname, GLint* params) {
bool got_value = share_group_->program_info_manager()->GetProgramiv(
this, program, pname, params);
GPU_CLIENT_LOG_CODE_BLOCK({
if (got_value) {
GPU_CLIENT_LOG(" 0: " << *params);
}
});
return got_value;
}
GLint GLES2Implementation::GetFragDataIndexEXTHelper(GLuint program,
const char* name) {
typedef cmds::GetFragDataIndexEXT::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return -1;
}
*result = -1;
SetBucketAsCString(kResultBucketId, name);
helper_->GetFragDataIndexEXT(program, kResultBucketId, GetResultShmId(),
GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
return *result;
}
GLint GLES2Implementation::GetFragDataIndexEXT(GLuint program,
const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetFragDataIndexEXT(" << program
<< ", " << name << ")");
TRACE_EVENT0("gpu", "GLES2::GetFragDataIndexEXT");
GLint loc = share_group_->program_info_manager()->GetFragDataIndex(
this, program, name);
GPU_CLIENT_LOG("returned " << loc);
CheckGLError();
return loc;
}
GLint GLES2Implementation::GetFragDataLocationHelper(
GLuint program, const char* name) {
typedef cmds::GetFragDataLocation::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return -1;
}
*result = -1;
SetBucketAsCString(kResultBucketId, name);
helper_->GetFragDataLocation(
program, kResultBucketId, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
return *result;
}
GLint GLES2Implementation::GetFragDataLocation(
GLuint program, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetFragDataLocation("
<< program << ", " << name << ")");
TRACE_EVENT0("gpu", "GLES2::GetFragDataLocation");
GLint loc = share_group_->program_info_manager()->GetFragDataLocation(
this, program, name);
GPU_CLIENT_LOG("returned " << loc);
CheckGLError();
return loc;
}
GLuint GLES2Implementation::GetUniformBlockIndexHelper(
GLuint program, const char* name) {
typedef cmds::GetUniformBlockIndex::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return GL_INVALID_INDEX;
}
*result = GL_INVALID_INDEX;
SetBucketAsCString(kResultBucketId, name);
helper_->GetUniformBlockIndex(
program, kResultBucketId, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
return *result;
}
GLuint GLES2Implementation::GetUniformBlockIndex(
GLuint program, const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformBlockIndex("
<< program << ", " << name << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformBlockIndex");
GLuint index = share_group_->program_info_manager()->GetUniformBlockIndex(
this, program, name);
GPU_CLIENT_LOG("returned " << index);
CheckGLError();
return index;
}
void GLES2Implementation::LinkProgram(GLuint program) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glLinkProgram(" << program << ")");
helper_->LinkProgram(program);
share_group_->program_info_manager()->CreateInfo(program);
CheckGLError();
}
void GLES2Implementation::ShaderBinary(
GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
GLsizei length) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glShaderBinary(" << n << ", "
<< static_cast<const void*>(shaders) << ", "
<< GLES2Util::GetStringEnum(binaryformat) << ", "
<< static_cast<const void*>(binary) << ", "
<< length << ")");
if (n < 0) {
SetGLError(GL_INVALID_VALUE, "glShaderBinary", "n < 0.");
return;
}
if (length < 0) {
SetGLError(GL_INVALID_VALUE, "glShaderBinary", "length < 0.");
return;
}
// TODO(gman): ShaderBinary should use buckets.
unsigned int shader_id_size = n * sizeof(*shaders);
ScopedTransferBufferArray<GLint> buffer(
shader_id_size + length, helper_, transfer_buffer_);
if (!buffer.valid() || buffer.num_elements() != shader_id_size + length) {
SetGLError(GL_OUT_OF_MEMORY, "glShaderBinary", "out of memory.");
return;
}
void* shader_ids = buffer.elements();
void* shader_data = buffer.elements() + shader_id_size;
memcpy(shader_ids, shaders, shader_id_size);
memcpy(shader_data, binary, length);
helper_->ShaderBinary(
n,
buffer.shm_id(),
buffer.offset(),
binaryformat,
buffer.shm_id(),
buffer.offset() + shader_id_size,
length);
CheckGLError();
}
void GLES2Implementation::PixelStorei(GLenum pname, GLint param) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPixelStorei("
<< GLES2Util::GetStringPixelStore(pname) << ", "
<< param << ")");
// We have to validate before caching these parameters because we use them
// to compute image sizes on the client side.
switch (pname) {
case GL_PACK_ALIGNMENT:
case GL_UNPACK_ALIGNMENT:
if (param != 1 && param != 2 && param != 4 && param != 8) {
SetGLError(GL_INVALID_VALUE, "glPixelStorei", "invalid param");
return;
}
break;
case GL_PACK_ROW_LENGTH:
case GL_PACK_SKIP_PIXELS:
case GL_PACK_SKIP_ROWS:
case GL_UNPACK_IMAGE_HEIGHT:
case GL_UNPACK_SKIP_IMAGES:
if (capabilities_.major_version < 3) {
SetGLError(GL_INVALID_ENUM, "glPixelStorei", "invalid pname");
return;
}
if (param < 0) {
SetGLError(GL_INVALID_VALUE, "glPixelStorei", "invalid param");
return;
}
break;
case GL_UNPACK_ROW_LENGTH:
case GL_UNPACK_SKIP_ROWS:
case GL_UNPACK_SKIP_PIXELS:
// These parameters are always enabled in ES2 by EXT_unpack_subimage.
if (param < 0) {
SetGLError(GL_INVALID_VALUE, "glPixelStorei", "invalid param");
return;
}
break;
default:
SetGLError(GL_INVALID_ENUM, "glPixelStorei", "invalid pname");
return;
}
// Do not send SKIP parameters to the service side.
// Handle them on the client side.
switch (pname) {
case GL_PACK_ALIGNMENT:
pack_alignment_ = param;
break;
case GL_PACK_ROW_LENGTH:
pack_row_length_ = param;
break;
case GL_PACK_SKIP_PIXELS:
pack_skip_pixels_ = param;
return;
case GL_PACK_SKIP_ROWS:
pack_skip_rows_ = param;
return;
case GL_UNPACK_ALIGNMENT:
unpack_alignment_ = param;
break;
case GL_UNPACK_ROW_LENGTH:
unpack_row_length_ = param;
if (capabilities_.major_version < 3) {
// In ES2 with EXT_unpack_subimage, it's handled on the client side
// and there is no need to send it to the service side.
return;
}
break;
case GL_UNPACK_IMAGE_HEIGHT:
unpack_image_height_ = param;
break;
case GL_UNPACK_SKIP_ROWS:
unpack_skip_rows_ = param;
return;
case GL_UNPACK_SKIP_PIXELS:
unpack_skip_pixels_ = param;
return;
case GL_UNPACK_SKIP_IMAGES:
unpack_skip_images_ = param;
return;
default:
NOTREACHED();
break;
}
helper_->PixelStorei(pname, param);
CheckGLError();
}
void GLES2Implementation::VertexAttribIPointer(
GLuint index, GLint size, GLenum type, GLsizei stride, const void* ptr) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttribIPointer("
<< index << ", "
<< size << ", "
<< GLES2Util::GetStringVertexAttribIType(type) << ", "
<< stride << ", "
<< ptr << ")");
// Record the info on the client side.
if (!vertex_array_object_manager_->SetAttribPointer(bound_array_buffer_,
index,
size,
type,
GL_FALSE,
stride,
ptr,
GL_TRUE)) {
SetGLError(GL_INVALID_OPERATION, "glVertexAttribIPointer",
"client side arrays are not allowed in vertex array objects.");
return;
}
if (!support_client_side_arrays_ || bound_array_buffer_ != 0) {
// Only report NON client side buffers to the service.
if (!ValidateOffset("glVertexAttribIPointer",
reinterpret_cast<GLintptr>(ptr))) {
return;
}
helper_->VertexAttribIPointer(index, size, type, stride, ToGLuint(ptr));
}
CheckGLError();
}
void GLES2Implementation::VertexAttribPointer(
GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride,
const void* ptr) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttribPointer("
<< index << ", "
<< size << ", "
<< GLES2Util::GetStringVertexAttribType(type) << ", "
<< GLES2Util::GetStringBool(normalized) << ", "
<< stride << ", "
<< ptr << ")");
// Record the info on the client side.
if (!vertex_array_object_manager_->SetAttribPointer(bound_array_buffer_,
index,
size,
type,
normalized,
stride,
ptr,
GL_FALSE)) {
SetGLError(GL_INVALID_OPERATION, "glVertexAttribPointer",
"client side arrays are not allowed in vertex array objects.");
return;
}
if (!support_client_side_arrays_ || bound_array_buffer_ != 0) {
// Only report NON client side buffers to the service.
if (!ValidateOffset("glVertexAttribPointer",
reinterpret_cast<GLintptr>(ptr))) {
return;
}
helper_->VertexAttribPointer(index, size, type, normalized, stride,
ToGLuint(ptr));
}
CheckGLError();
}
void GLES2Implementation::VertexAttribDivisorANGLE(
GLuint index, GLuint divisor) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glVertexAttribDivisorANGLE("
<< index << ", "
<< divisor << ") ");
// Record the info on the client side.
vertex_array_object_manager_->SetAttribDivisor(index, divisor);
helper_->VertexAttribDivisorANGLE(index, divisor);
CheckGLError();
}
void GLES2Implementation::BufferDataHelper(
GLenum target, GLsizeiptr size, const void* data, GLenum usage) {
if (!ValidateSize("glBufferData", size))
return;
#if defined(MEMORY_SANITIZER) && !defined(OS_NACL)
// Do not upload uninitialized data. Even if it's not a bug, it can cause a
// bogus MSan report during a readback later. This is because MSan doesn't
// understand shared memory and would assume we were reading back the same
// unintialized data.
if (data) __msan_check_mem_is_initialized(data, size);
#endif
GLuint buffer_id;
if (GetBoundPixelTransferBuffer(target, "glBufferData", &buffer_id)) {
if (!buffer_id) {
return;
}
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffer_id);
if (buffer)
RemoveTransferBuffer(buffer);
// Create new buffer.
buffer = buffer_tracker_->CreateBuffer(buffer_id, size);
DCHECK(buffer);
if (buffer->address() && data)
memcpy(buffer->address(), data, size);
return;
}
RemoveMappedBufferRangeByTarget(target);
// If there is no data just send BufferData
if (size == 0 || !data) {
helper_->BufferData(target, size, 0, 0, usage);
return;
}
// See if we can send all at once.
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
if (!buffer.valid()) {
return;
}
if (buffer.size() >= static_cast<unsigned int>(size)) {
memcpy(buffer.address(), data, size);
helper_->BufferData(
target,
size,
buffer.shm_id(),
buffer.offset(),
usage);
return;
}
// Make the buffer with BufferData then send via BufferSubData
helper_->BufferData(target, size, 0, 0, usage);
BufferSubDataHelperImpl(target, 0, size, data, &buffer);
CheckGLError();
}
void GLES2Implementation::BufferData(
GLenum target, GLsizeiptr size, const void* data, GLenum usage) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBufferData("
<< GLES2Util::GetStringBufferTarget(target) << ", "
<< size << ", "
<< static_cast<const void*>(data) << ", "
<< GLES2Util::GetStringBufferUsage(usage) << ")");
BufferDataHelper(target, size, data, usage);
CheckGLError();
}
void GLES2Implementation::BufferSubDataHelper(
GLenum target, GLintptr offset, GLsizeiptr size, const void* data) {
if (size == 0) {
return;
}
if (!ValidateSize("glBufferSubData", size) ||
!ValidateOffset("glBufferSubData", offset)) {
return;
}
GLuint buffer_id;
if (GetBoundPixelTransferBuffer(target, "glBufferSubData", &buffer_id)) {
if (!buffer_id) {
return;
}
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffer_id);
if (!buffer) {
SetGLError(GL_INVALID_VALUE, "glBufferSubData", "unknown buffer");
return;
}
int32_t end = 0;
int32_t buffer_size = buffer->size();
if (!SafeAddInt32(offset, size, &end) || end > buffer_size) {
SetGLError(GL_INVALID_VALUE, "glBufferSubData", "out of range");
return;
}
if (buffer->address() && data)
memcpy(static_cast<uint8_t*>(buffer->address()) + offset, data, size);
return;
}
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
BufferSubDataHelperImpl(target, offset, size, data, &buffer);
}
void GLES2Implementation::BufferSubDataHelperImpl(
GLenum target, GLintptr offset, GLsizeiptr size, const void* data,
ScopedTransferBufferPtr* buffer) {
DCHECK(buffer);
DCHECK_GT(size, 0);
const int8_t* source = static_cast<const int8_t*>(data);
while (size) {
if (!buffer->valid() || buffer->size() == 0) {
buffer->Reset(size);
if (!buffer->valid()) {
return;
}
}
memcpy(buffer->address(), source, buffer->size());
helper_->BufferSubData(
target, offset, buffer->size(), buffer->shm_id(), buffer->offset());
offset += buffer->size();
source += buffer->size();
size -= buffer->size();
buffer->Release();
}
}
void GLES2Implementation::BufferSubData(
GLenum target, GLintptr offset, GLsizeiptr size, const void* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glBufferSubData("
<< GLES2Util::GetStringBufferTarget(target) << ", "
<< offset << ", " << size << ", "
<< static_cast<const void*>(data) << ")");
BufferSubDataHelper(target, offset, size, data);
CheckGLError();
}
void GLES2Implementation::RemoveTransferBuffer(BufferTracker::Buffer* buffer) {
int32_t token = buffer->last_usage_token();
if (token) {
if (helper_->HasTokenPassed(token))
buffer_tracker_->Free(buffer);
else
buffer_tracker_->FreePendingToken(buffer, token);
} else {
buffer_tracker_->Free(buffer);
}
buffer_tracker_->RemoveBuffer(buffer->id());
}
bool GLES2Implementation::GetBoundPixelTransferBuffer(
GLenum target,
const char* function_name,
GLuint* buffer_id) {
*buffer_id = 0;
switch (target) {
case GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM:
*buffer_id = bound_pixel_pack_transfer_buffer_id_;
break;
case GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM:
*buffer_id = bound_pixel_unpack_transfer_buffer_id_;
break;
default:
// Unknown target
return false;
}
if (!*buffer_id) {
SetGLError(GL_INVALID_OPERATION, function_name, "no buffer bound");
}
return true;
}
BufferTracker::Buffer* GLES2Implementation::GetBoundPixelTransferBufferIfValid(
GLuint buffer_id, const char* function_name, GLuint offset, GLsizei size) {
DCHECK(buffer_id);
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffer_id);
if (!buffer) {
SetGLError(GL_INVALID_OPERATION, function_name, "invalid buffer");
return nullptr;
}
if (buffer->mapped()) {
SetGLError(GL_INVALID_OPERATION, function_name, "buffer mapped");
return nullptr;
}
base::CheckedNumeric<uint32_t> buffer_offset = buffer->shm_offset();
buffer_offset += offset;
if (!buffer_offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, function_name, "offset to large");
return nullptr;
}
base::CheckedNumeric<uint32_t> required_size = offset;
required_size += size;
if (!required_size.IsValid() ||
buffer->size() < required_size.ValueOrDefault(0)) {
SetGLError(GL_INVALID_VALUE, function_name, "unpack size to large");
return nullptr;
}
return buffer;
}
void GLES2Implementation::CompressedTexImage2D(
GLenum target, GLint level, GLenum internalformat, GLsizei width,
GLsizei height, GLint border, GLsizei image_size, const void* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCompressedTexImage2D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< GLES2Util::GetStringCompressedTextureFormat(internalformat) << ", "
<< width << ", " << height << ", " << border << ", "
<< image_size << ", "
<< static_cast<const void*>(data) << ")");
if (width < 0 || height < 0 || level < 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexImage2D", "dimension < 0");
return;
}
if (border != 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexImage2D", "border != 0");
return;
}
// If there's a pixel unpack buffer bound use it when issuing
// CompressedTexImage2D.
if (bound_pixel_unpack_transfer_buffer_id_) {
GLuint offset = ToGLuint(data);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_,
"glCompressedTexImage2D", offset, image_size);
if (buffer && buffer->shm_id() != -1) {
helper_->CompressedTexImage2D(
target, level, internalformat, width, height, image_size,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
}
return;
}
if (data) {
SetBucketContents(kResultBucketId, data, image_size);
helper_->CompressedTexImage2DBucket(target, level, internalformat, width,
height, kResultBucketId);
// Free the bucket. This is not required but it does free up the memory.
// and we don't have to wait for the result so from the client's perspective
// it's cheap.
helper_->SetBucketSize(kResultBucketId, 0);
} else {
helper_->CompressedTexImage2D(target, level, internalformat, width, height,
image_size, 0, 0);
}
CheckGLError();
}
void GLES2Implementation::CompressedTexSubImage2D(
GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
GLsizei height, GLenum format, GLsizei image_size, const void* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCompressedTexSubImage2D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< xoffset << ", " << yoffset << ", "
<< width << ", " << height << ", "
<< GLES2Util::GetStringCompressedTextureFormat(format) << ", "
<< image_size << ", "
<< static_cast<const void*>(data) << ")");
if (width < 0 || height < 0 || level < 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexSubImage2D", "dimension < 0");
return;
}
// If there's a pixel unpack buffer bound use it when issuing
// CompressedTexSubImage2D.
if (bound_pixel_unpack_transfer_buffer_id_) {
GLuint offset = ToGLuint(data);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_,
"glCompressedTexSubImage2D", offset, image_size);
if (buffer && buffer->shm_id() != -1) {
helper_->CompressedTexSubImage2D(
target, level, xoffset, yoffset, width, height, format, image_size,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
SetBucketContents(kResultBucketId, data, image_size);
helper_->CompressedTexSubImage2DBucket(
target, level, xoffset, yoffset, width, height, format, kResultBucketId);
// Free the bucket. This is not required but it does free up the memory.
// and we don't have to wait for the result so from the client's perspective
// it's cheap.
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::CompressedTexImage3D(
GLenum target, GLint level, GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border, GLsizei image_size,
const void* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCompressedTexImage3D("
<< GLES2Util::GetStringTexture3DTarget(target) << ", " << level << ", "
<< GLES2Util::GetStringCompressedTextureFormat(internalformat) << ", "
<< width << ", " << height << ", " << depth << ", " << border << ", "
<< image_size << ", " << static_cast<const void*>(data) << ")");
if (width < 0 || height < 0 || depth < 0 || level < 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexImage3D", "dimension < 0");
return;
}
if (border != 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexImage3D", "border != 0");
return;
}
// If there's a pixel unpack buffer bound use it when issuing
// CompressedTexImage3D.
if (bound_pixel_unpack_transfer_buffer_id_) {
GLuint offset = ToGLuint(data);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_,
"glCompressedTexImage3D", offset, image_size);
if (buffer && buffer->shm_id() != -1) {
helper_->CompressedTexImage3D(
target, level, internalformat, width, height, depth, image_size,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
}
return;
}
if (data) {
SetBucketContents(kResultBucketId, data, image_size);
helper_->CompressedTexImage3DBucket(target, level, internalformat, width,
height, depth, kResultBucketId);
// Free the bucket. This is not required but it does free up the memory.
// and we don't have to wait for the result so from the client's perspective
// it's cheap.
helper_->SetBucketSize(kResultBucketId, 0);
} else {
helper_->CompressedTexImage3D(target, level, internalformat, width, height,
depth, image_size, 0, 0);
}
CheckGLError();
}
void GLES2Implementation::CompressedTexSubImage3D(
GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth, GLenum format,
GLsizei image_size, const void* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCompressedTexSubImage3D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< xoffset << ", " << yoffset << ", " << zoffset << ", "
<< width << ", " << height << ", " << depth << ", "
<< GLES2Util::GetStringCompressedTextureFormat(format) << ", "
<< image_size << ", "
<< static_cast<const void*>(data) << ")");
if (width < 0 || height < 0 || depth < 0 || level < 0) {
SetGLError(GL_INVALID_VALUE, "glCompressedTexSubImage3D", "dimension < 0");
return;
}
// If there's a pixel unpack buffer bound use it when issuing
// CompressedTexSubImage3D.
if (bound_pixel_unpack_transfer_buffer_id_) {
GLuint offset = ToGLuint(data);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_,
"glCompressedTexSubImage3D", offset, image_size);
if (buffer && buffer->shm_id() != -1) {
helper_->CompressedTexSubImage3D(
target, level, xoffset, yoffset, zoffset,
width, height, depth, format, image_size,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
SetBucketContents(kResultBucketId, data, image_size);
helper_->CompressedTexSubImage3DBucket(
target, level, xoffset, yoffset, zoffset, width, height, depth, format,
kResultBucketId);
// Free the bucket. This is not required but it does free up the memory.
// and we don't have to wait for the result so from the client's perspective
// it's cheap.
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
PixelStoreParams GLES2Implementation::GetUnpackParameters(Dimension dimension) {
PixelStoreParams params;
params.alignment = unpack_alignment_;
params.row_length = unpack_row_length_;
params.skip_pixels = unpack_skip_pixels_;
params.skip_rows = unpack_skip_rows_;
if (dimension == k3D) {
params.image_height = unpack_image_height_;
params.skip_images = unpack_skip_images_;
}
return params;
}
void GLES2Implementation::TexImage2D(
GLenum target, GLint level, GLint internalformat, GLsizei width,
GLsizei height, GLint border, GLenum format, GLenum type,
const void* pixels) {
const char* func_name = "glTexImage2D";
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexImage2D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< GLES2Util::GetStringTextureInternalFormat(internalformat) << ", "
<< width << ", " << height << ", " << border << ", "
<< GLES2Util::GetStringTextureFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< static_cast<const void*>(pixels) << ")");
if (level < 0 || height < 0 || width < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "dimension < 0");
return;
}
if (border != 0) {
SetGLError(GL_INVALID_VALUE, func_name, "border != 0");
return;
}
if ((bound_pixel_unpack_buffer_ || pixels) &&
(unpack_skip_pixels_ + width >
(unpack_row_length_ ? unpack_row_length_ : width))) {
// This is WebGL 2 specific constraints, but we do it for all ES3 contexts.
SetGLError(GL_INVALID_OPERATION, func_name,
"invalid unpack params combination");
return;
}
uint32_t size;
uint32_t unpadded_row_size;
uint32_t padded_row_size;
uint32_t skip_size;
PixelStoreParams params = GetUnpackParameters(k2D);
if (!GLES2Util::ComputeImageDataSizesES3(width, height, 1,
format, type,
params,
&size,
&unpadded_row_size,
&padded_row_size,
&skip_size,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
if (bound_pixel_unpack_buffer_) {
base::CheckedNumeric<uint32_t> offset = ToGLuint(pixels);
offset += skip_size;
if (!offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "skip size too large");
return;
}
helper_->TexImage2D(
target, level, internalformat, width, height, format, type,
0, offset.ValueOrDefault(0));
CheckGLError();
return;
}
// If there's a pixel unpack buffer bound use it when issuing TexImage2D.
if (bound_pixel_unpack_transfer_buffer_id_) {
if (unpack_row_length_ > 0 || unpack_image_height_ > 0 ||
unpack_skip_pixels_ > 0 || unpack_skip_rows_ > 0 ||
unpack_skip_images_ > 0) {
SetGLError(GL_INVALID_OPERATION, func_name,
"No ES3 pack parameters with pixel unpack transfer buffer.");
return;
}
DCHECK_EQ(0u, skip_size);
GLuint offset = ToGLuint(pixels);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_, func_name, offset, size);
if (buffer && buffer->shm_id() != -1) {
helper_->TexImage2D(
target, level, internalformat, width, height, format, type,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
// If there's no data just issue TexImage2D
if (!pixels || width == 0 || height == 0) {
helper_->TexImage2D(
target, level, internalformat, width, height, format, type, 0, 0);
CheckGLError();
return;
}
// Compute the advance bytes per row on the service side.
// Note |size| is recomputed here if needed.
uint32_t service_padded_row_size;
if (unpack_row_length_ > 0 && unpack_row_length_ != width) {
// All parameters have been applied to the data that are sent to the
// service side except UNPACK_ALIGNMENT.
PixelStoreParams service_params;
service_params.alignment = unpack_alignment_;
if (!GLES2Util::ComputeImageDataSizesES3(width, height, 1,
format, type,
service_params,
&size,
nullptr,
&service_padded_row_size,
nullptr,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
} else {
service_padded_row_size = padded_row_size;
}
// advance pixels pointer past the skip rows and skip pixels
pixels = reinterpret_cast<const int8_t*>(pixels) + skip_size;
// Check if we can send it all at once.
int32_t shm_id = 0;
uint32_t shm_offset = 0;
void* buffer_pointer = nullptr;
ScopedTransferBufferPtr transfer_alloc(size, helper_, transfer_buffer_);
ScopedMappedMemoryPtr mapped_alloc(0, helper_, mapped_memory_.get());
if (transfer_alloc.valid() && transfer_alloc.size() >= size) {
shm_id = transfer_alloc.shm_id();
shm_offset = transfer_alloc.offset();
buffer_pointer = transfer_alloc.address();
} else if (size < max_extra_transfer_buffer_size_) {
mapped_alloc.Reset(size);
if (mapped_alloc.valid()) {
transfer_alloc.Discard();
mapped_alloc.SetFlushAfterRelease(true);
shm_id = mapped_alloc.shm_id();
shm_offset = mapped_alloc.offset();
buffer_pointer = mapped_alloc.address();
}
}
if (buffer_pointer) {
CopyRectToBuffer(
pixels, height, unpadded_row_size, padded_row_size,
buffer_pointer, service_padded_row_size);
helper_->TexImage2D(
target, level, internalformat, width, height, format, type,
shm_id, shm_offset);
CheckGLError();
return;
}
// No, so send it using TexSubImage2D.
helper_->TexImage2D(
target, level, internalformat, width, height, format, type,
0, 0);
TexSubImage2DImpl(
target, level, 0, 0, width, height, format, type, unpadded_row_size,
pixels, padded_row_size, GL_TRUE, &transfer_alloc,
service_padded_row_size);
CheckGLError();
}
void GLES2Implementation::TexImage3D(
GLenum target, GLint level, GLint internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type,
const void* pixels) {
const char* func_name = "glTexImage3D";
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexImage3D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< GLES2Util::GetStringTextureInternalFormat(internalformat) << ", "
<< width << ", " << height << ", " << depth << ", " << border << ", "
<< GLES2Util::GetStringTextureFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< static_cast<const void*>(pixels) << ")");
if (level < 0 || height < 0 || width < 0 || depth < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "dimension < 0");
return;
}
if (border != 0) {
SetGLError(GL_INVALID_VALUE, func_name, "border != 0");
return;
}
if ((bound_pixel_unpack_buffer_ || pixels) &&
((unpack_skip_pixels_ + width >
(unpack_row_length_ ? unpack_row_length_ : width)) ||
(unpack_skip_rows_ + height >
(unpack_image_height_ ? unpack_image_height_ : height)))) {
// This is WebGL 2 specific constraints, but we do it for all ES3 contexts.
SetGLError(GL_INVALID_OPERATION, func_name,
"invalid unpack params combination");
return;
}
uint32_t size;
uint32_t unpadded_row_size;
uint32_t padded_row_size;
uint32_t skip_size;
PixelStoreParams params = GetUnpackParameters(k3D);
if (!GLES2Util::ComputeImageDataSizesES3(width, height, depth,
format, type,
params,
&size,
&unpadded_row_size,
&padded_row_size,
&skip_size,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
if (bound_pixel_unpack_buffer_) {
base::CheckedNumeric<uint32_t> offset = ToGLuint(pixels);
offset += skip_size;
if (!offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "skip size too large");
return;
}
helper_->TexImage3D(
target, level, internalformat, width, height, depth, format, type,
0, offset.ValueOrDefault(0));
CheckGLError();
return;
}
// If there's a pixel unpack buffer bound use it when issuing TexImage3D.
if (bound_pixel_unpack_transfer_buffer_id_) {
if (unpack_row_length_ > 0 || unpack_image_height_ > 0 ||
unpack_skip_pixels_ > 0 || unpack_skip_rows_ > 0 ||
unpack_skip_images_ > 0) {
SetGLError(GL_INVALID_OPERATION, func_name,
"No ES3 pack parameters with pixel unpack transfer buffer.");
return;
}
DCHECK_EQ(0u, skip_size);
GLuint offset = ToGLuint(pixels);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_, func_name, offset, size);
if (buffer && buffer->shm_id() != -1) {
helper_->TexImage3D(
target, level, internalformat, width, height, depth, format, type,
buffer->shm_id(), buffer->shm_offset() + offset);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
// If there's no data just issue TexImage3D
if (!pixels || width == 0 || height == 0 || depth == 0) {
helper_->TexImage3D(
target, level, internalformat, width, height, depth, format, type,
0, 0);
CheckGLError();
return;
}
// Compute the advance bytes per row on the service side.
// Note |size| is recomputed here if needed.
uint32_t service_padded_row_size;
if ((unpack_row_length_ > 0 && unpack_row_length_ != width) ||
(unpack_image_height_ > 0 && unpack_image_height_ != height)) {
// All parameters have been applied to the data that are sent to the
// service side except UNPACK_ALIGNMENT.
PixelStoreParams service_params;
service_params.alignment = unpack_alignment_;
if (!GLES2Util::ComputeImageDataSizesES3(width, height, depth,
format, type,
service_params,
&size,
nullptr,
&service_padded_row_size,
nullptr,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
} else {
service_padded_row_size = padded_row_size;
}
uint32_t src_height =
unpack_image_height_ > 0 ? unpack_image_height_ : height;
// advance pixels pointer past the skip images/rows/pixels
pixels = reinterpret_cast<const int8_t*>(pixels) + skip_size;
// Check if we can send it all at once.
int32_t shm_id = 0;
uint32_t shm_offset = 0;
void* buffer_pointer = nullptr;
ScopedTransferBufferPtr transfer_alloc(size, helper_, transfer_buffer_);
ScopedMappedMemoryPtr mapped_alloc(0, helper_, mapped_memory_.get());
if (transfer_alloc.valid() && transfer_alloc.size() >= size) {
shm_id = transfer_alloc.shm_id();
shm_offset = transfer_alloc.offset();
buffer_pointer = transfer_alloc.address();
} else if (size < max_extra_transfer_buffer_size_) {
mapped_alloc.Reset(size);
if (mapped_alloc.valid()) {
transfer_alloc.Discard();
mapped_alloc.SetFlushAfterRelease(true);
shm_id = mapped_alloc.shm_id();
shm_offset = mapped_alloc.offset();
buffer_pointer = mapped_alloc.address();
}
}
if (buffer_pointer) {
for (GLsizei z = 0; z < depth; ++z) {
CopyRectToBuffer(
pixels, height, unpadded_row_size, padded_row_size,
buffer_pointer, service_padded_row_size);
pixels = reinterpret_cast<const int8_t*>(pixels) +
padded_row_size * src_height;
buffer_pointer = reinterpret_cast<int8_t*>(buffer_pointer) +
service_padded_row_size * height;
}
helper_->TexImage3D(
target, level, internalformat, width, height, depth, format, type,
shm_id, shm_offset);
CheckGLError();
return;
}
// No, so send it using TexSubImage3D.
helper_->TexImage3D(
target, level, internalformat, width, height, depth, format, type,
0, 0);
TexSubImage3DImpl(
target, level, 0, 0, 0, width, height, depth, format, type,
unpadded_row_size, pixels, padded_row_size, GL_TRUE, &transfer_alloc,
service_padded_row_size);
CheckGLError();
}
void GLES2Implementation::TexSubImage2D(
GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
GLsizei height, GLenum format, GLenum type, const void* pixels) {
const char* func_name = "glTexSubImage2D";
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexSubImage2D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< xoffset << ", " << yoffset << ", "
<< width << ", " << height << ", "
<< GLES2Util::GetStringTextureFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< static_cast<const void*>(pixels) << ")");
if (level < 0 || height < 0 || width < 0 || xoffset < 0 || yoffset < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "dimension < 0");
return;
}
if (unpack_skip_pixels_ + width >
(unpack_row_length_ ? unpack_row_length_ : width)) {
// This is WebGL 2 specific constraints, but we do it for all ES3 contexts.
SetGLError(GL_INVALID_OPERATION, func_name,
"invalid unpack params combination");
return;
}
uint32_t size;
uint32_t unpadded_row_size;
uint32_t padded_row_size;
uint32_t skip_size;
PixelStoreParams params = GetUnpackParameters(k2D);
if (!GLES2Util::ComputeImageDataSizesES3(width, height, 1,
format, type,
params,
&size,
&unpadded_row_size,
&padded_row_size,
&skip_size,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size to large");
return;
}
if (bound_pixel_unpack_buffer_) {
base::CheckedNumeric<uint32_t> offset = ToGLuint(pixels);
offset += skip_size;
if (!offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "skip size too large");
return;
}
helper_->TexSubImage2D(target, level, xoffset, yoffset, width, height,
format, type, 0, offset.ValueOrDefault(0), false);
CheckGLError();
return;
}
// If there's a pixel unpack buffer bound use it when issuing TexSubImage2D.
if (bound_pixel_unpack_transfer_buffer_id_) {
if (unpack_row_length_ > 0 || unpack_image_height_ > 0 ||
unpack_skip_pixels_ > 0 || unpack_skip_rows_ > 0 ||
unpack_skip_images_ > 0) {
SetGLError(GL_INVALID_OPERATION, func_name,
"No ES3 pack parameters with pixel unpack transfer buffer.");
return;
}
DCHECK_EQ(0u, skip_size);
GLuint offset = ToGLuint(pixels);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_, func_name, offset, size);
if (buffer && buffer->shm_id() != -1) {
helper_->TexSubImage2D(
target, level, xoffset, yoffset, width, height, format, type,
buffer->shm_id(), buffer->shm_offset() + offset, false);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
if (width == 0 || height == 0) {
// No need to worry about pixel data.
helper_->TexSubImage2D(target, level, xoffset, yoffset, width, height,
format, type, 0, 0, false);
CheckGLError();
return;
}
// Compute the advance bytes per row on the service side.
// Note |size| is recomputed here if needed.
uint32_t service_padded_row_size;
if (unpack_row_length_ > 0 && unpack_row_length_ != width) {
// All parameters have been applied to the data that are sent to the
// service side except UNPACK_ALIGNMENT.
PixelStoreParams service_params;
service_params.alignment = unpack_alignment_;
if (!GLES2Util::ComputeImageDataSizesES3(width, height, 1,
format, type,
service_params,
&size,
nullptr,
&service_padded_row_size,
nullptr,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
} else {
service_padded_row_size = padded_row_size;
}
// advance pixels pointer past the skip rows and skip pixels
pixels = reinterpret_cast<const int8_t*>(pixels) + skip_size;
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
TexSubImage2DImpl(
target, level, xoffset, yoffset, width, height, format, type,
unpadded_row_size, pixels, padded_row_size, GL_FALSE, &buffer,
service_padded_row_size);
CheckGLError();
}
void GLES2Implementation::TexSubImage3D(
GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type,
const void* pixels) {
const char* func_name = "glTexSubImage3D";
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTexSubImage3D("
<< GLES2Util::GetStringTextureTarget(target) << ", "
<< level << ", "
<< xoffset << ", " << yoffset << ", " << zoffset << ", "
<< width << ", " << height << ", " << depth << ", "
<< GLES2Util::GetStringTextureFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< static_cast<const void*>(pixels) << ")");
if (level < 0 || height < 0 || width < 0 || depth < 0 ||
xoffset < 0 || yoffset < 0 || zoffset < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "dimension < 0");
return;
}
if ((unpack_skip_pixels_ + width >
(unpack_row_length_ ? unpack_row_length_ : width)) ||
(unpack_skip_rows_ + height >
(unpack_image_height_ ? unpack_image_height_ : height))) {
// This is WebGL 2 specific constraints, but we do it for all ES3 contexts.
SetGLError(GL_INVALID_OPERATION, func_name,
"invalid unpack params combination");
return;
}
uint32_t size;
uint32_t unpadded_row_size;
uint32_t padded_row_size;
uint32_t skip_size;
PixelStoreParams params = GetUnpackParameters(k3D);
if (!GLES2Util::ComputeImageDataSizesES3(width, height, depth,
format, type,
params,
&size,
&unpadded_row_size,
&padded_row_size,
&skip_size,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size to large");
return;
}
if (bound_pixel_unpack_buffer_) {
base::CheckedNumeric<uint32_t> offset = ToGLuint(pixels);
offset += skip_size;
if (!offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "skip size too large");
return;
}
helper_->TexSubImage3D(
target, level, xoffset, yoffset, zoffset, width, height, depth,
format, type, 0, offset.ValueOrDefault(0), false);
CheckGLError();
return;
}
// If there's a pixel unpack buffer bound use it when issuing TexSubImage2D.
if (bound_pixel_unpack_transfer_buffer_id_) {
if (unpack_row_length_ > 0 || unpack_image_height_ > 0 ||
unpack_skip_pixels_ > 0 || unpack_skip_rows_ > 0 ||
unpack_skip_images_ > 0) {
SetGLError(GL_INVALID_OPERATION, func_name,
"No ES3 pack parameters with pixel unpack transfer buffer.");
return;
}
DCHECK_EQ(0u, skip_size);
GLuint offset = ToGLuint(pixels);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_unpack_transfer_buffer_id_, func_name, offset, size);
if (buffer && buffer->shm_id() != -1) {
helper_->TexSubImage3D(
target, level, xoffset, yoffset, zoffset, width, height, depth,
format, type, buffer->shm_id(), buffer->shm_offset() + offset, false);
buffer->set_last_usage_token(helper_->InsertToken());
CheckGLError();
}
return;
}
if (width == 0 || height == 0 || depth == 0) {
// No need to worry about pixel data.
helper_->TexSubImage3D(target, level, xoffset, yoffset, zoffset,
width, height, depth, format, type, 0, 0, false);
CheckGLError();
return;
}
// Compute the advance bytes per row on the service side
// Note |size| is recomputed here if needed.
uint32_t service_padded_row_size;
if ((unpack_row_length_ > 0 && unpack_row_length_ != width) ||
(unpack_image_height_ > 0 && unpack_image_height_ != height)) {
PixelStoreParams service_params;
service_params.alignment = unpack_alignment_;
if (!GLES2Util::ComputeImageDataSizesES3(width, height, depth,
format, type,
service_params,
&size,
nullptr,
&service_padded_row_size,
nullptr,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "image size too large");
return;
}
} else {
service_padded_row_size = padded_row_size;
}
// advance pixels pointer past the skip images/rows/pixels
pixels = reinterpret_cast<const int8_t*>(pixels) + skip_size;
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
TexSubImage3DImpl(
target, level, xoffset, yoffset, zoffset, width, height, depth,
format, type, unpadded_row_size, pixels, padded_row_size, GL_FALSE,
&buffer, service_padded_row_size);
CheckGLError();
}
static GLint ComputeNumRowsThatFitInBuffer(uint32_t padded_row_size,
uint32_t unpadded_row_size,
unsigned int size,
GLsizei remaining_rows) {
DCHECK_GE(unpadded_row_size, 0u);
if (padded_row_size == 0) {
return 1;
}
GLint num_rows = size / padded_row_size;
if (num_rows + 1 == remaining_rows &&
size - num_rows * padded_row_size >= unpadded_row_size) {
num_rows++;
}
return num_rows;
}
void GLES2Implementation::TexSubImage2DImpl(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
uint32_t unpadded_row_size,
const void* pixels,
uint32_t pixels_padded_row_size,
GLboolean internal,
ScopedTransferBufferPtr* buffer,
uint32_t buffer_padded_row_size) {
DCHECK(buffer);
DCHECK_GE(level, 0);
DCHECK_GT(height, 0);
DCHECK_GT(width, 0);
DCHECK_GE(xoffset, 0);
DCHECK_GE(yoffset, 0);
const int8_t* source = reinterpret_cast<const int8_t*>(pixels);
// Transfer by rows.
while (height) {
unsigned int desired_size =
buffer_padded_row_size * (height - 1) + unpadded_row_size;
if (!buffer->valid() || buffer->size() == 0) {
buffer->Reset(desired_size);
if (!buffer->valid()) {
return;
}
}
GLint num_rows = ComputeNumRowsThatFitInBuffer(
buffer_padded_row_size, unpadded_row_size, buffer->size(), height);
num_rows = std::min(num_rows, height);
CopyRectToBuffer(
source, num_rows, unpadded_row_size, pixels_padded_row_size,
buffer->address(), buffer_padded_row_size);
helper_->TexSubImage2D(
target, level, xoffset, yoffset, width, num_rows, format, type,
buffer->shm_id(), buffer->offset(), internal);
buffer->Release();
yoffset += num_rows;
source += num_rows * pixels_padded_row_size;
height -= num_rows;
}
}
void GLES2Implementation::TexSubImage3DImpl(GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei zoffset,
GLsizei width,
GLsizei height,
GLsizei depth,
GLenum format,
GLenum type,
uint32_t unpadded_row_size,
const void* pixels,
uint32_t pixels_padded_row_size,
GLboolean internal,
ScopedTransferBufferPtr* buffer,
uint32_t buffer_padded_row_size) {
DCHECK(buffer);
DCHECK_GE(level, 0);
DCHECK_GT(width, 0);
DCHECK_GT(height, 0);
DCHECK_GT(depth, 0);
DCHECK_GE(xoffset, 0);
DCHECK_GE(yoffset, 0);
DCHECK_GE(zoffset, 0);
const int8_t* source = reinterpret_cast<const int8_t*>(pixels);
GLsizei total_rows = height * depth;
GLint row_index = 0, depth_index = 0;
while (total_rows) {
// Each time, we either copy one or more images, or copy one or more rows
// within a single image, depending on the buffer size limit.
GLsizei max_rows;
unsigned int desired_size;
if (row_index > 0) {
// We are in the middle of an image. Send the remaining of the image.
max_rows = height - row_index;
if (total_rows <= height) {
// Last image, so last row is unpadded.
desired_size = buffer_padded_row_size * (max_rows - 1) +
unpadded_row_size;
} else {
desired_size = buffer_padded_row_size * max_rows;
}
} else {
// Send all the remaining data if possible.
max_rows = total_rows;
desired_size =
buffer_padded_row_size * (max_rows - 1) + unpadded_row_size;
}
if (!buffer->valid() || buffer->size() == 0) {
buffer->Reset(desired_size);
if (!buffer->valid()) {
return;
}
}
GLint num_rows = ComputeNumRowsThatFitInBuffer(
buffer_padded_row_size, unpadded_row_size, buffer->size(), total_rows);
num_rows = std::min(num_rows, max_rows);
GLint num_images = num_rows / height;
GLsizei my_height, my_depth;
if (num_images > 0) {
num_rows = num_images * height;
my_height = height;
my_depth = num_images;
} else {
my_height = num_rows;
my_depth = 1;
}
if (num_images > 0) {
int8_t* buffer_pointer = reinterpret_cast<int8_t*>(buffer->address());
uint32_t src_height =
unpack_image_height_ > 0 ? unpack_image_height_ : height;
uint32_t image_size_dst = buffer_padded_row_size * height;
uint32_t image_size_src = pixels_padded_row_size * src_height;
for (GLint ii = 0; ii < num_images; ++ii) {
CopyRectToBuffer(
source + ii * image_size_src, my_height, unpadded_row_size,
pixels_padded_row_size, buffer_pointer + ii * image_size_dst,
buffer_padded_row_size);
}
} else {
CopyRectToBuffer(
source, my_height, unpadded_row_size, pixels_padded_row_size,
buffer->address(), buffer_padded_row_size);
}
helper_->TexSubImage3D(
target, level, xoffset, yoffset + row_index, zoffset + depth_index,
width, my_height, my_depth,
format, type, buffer->shm_id(), buffer->offset(), internal);
buffer->Release();
total_rows -= num_rows;
if (total_rows > 0) {
GLint num_image_paddings;
if (num_images > 0) {
DCHECK_EQ(row_index, 0);
depth_index += num_images;
num_image_paddings = num_images;
} else {
row_index = (row_index + my_height) % height;
num_image_paddings = 0;
if (my_height > 0 && row_index == 0) {
depth_index++;
num_image_paddings++;
}
}
source += num_rows * pixels_padded_row_size;
if (unpack_image_height_ > height && num_image_paddings > 0) {
source += num_image_paddings * (unpack_image_height_ - height) *
pixels_padded_row_size;
}
}
}
}
bool GLES2Implementation::GetActiveAttribHelper(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
typedef cmds::GetActiveAttrib::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
// Set as failed so if the command fails we'll recover.
result->success = false;
helper_->GetActiveAttrib(program, index, kResultBucketId,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->success) {
if (size) {
*size = result->size;
}
if (type) {
*type = result->type;
}
if (length || name) {
std::vector<int8_t> str;
GetBucketContents(kResultBucketId, &str);
GLsizei max_size = std::min(static_cast<size_t>(bufsize) - 1,
std::max(static_cast<size_t>(0),
str.size() - 1));
if (length) {
*length = max_size;
}
if (name && bufsize > 0) {
memcpy(name, &str[0], max_size);
name[max_size] = '\0';
}
}
}
return result->success != 0;
}
void GLES2Implementation::GetActiveAttrib(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetActiveAttrib("
<< program << ", " << index << ", " << bufsize << ", "
<< static_cast<const void*>(length) << ", "
<< static_cast<const void*>(size) << ", "
<< static_cast<const void*>(type) << ", "
<< static_cast<const void*>(name) << ", ");
if (bufsize < 0) {
SetGLError(GL_INVALID_VALUE, "glGetActiveAttrib", "bufsize < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2::GetActiveAttrib");
bool success = share_group_->program_info_manager()->GetActiveAttrib(
this, program, index, bufsize, length, size, type, name);
if (success) {
if (size) {
GPU_CLIENT_LOG(" size: " << *size);
}
if (type) {
GPU_CLIENT_LOG(" type: " << GLES2Util::GetStringEnum(*type));
}
if (name) {
GPU_CLIENT_LOG(" name: " << name);
}
}
CheckGLError();
}
bool GLES2Implementation::GetActiveUniformHelper(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
typedef cmds::GetActiveUniform::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
// Set as failed so if the command fails we'll recover.
result->success = false;
helper_->GetActiveUniform(program, index, kResultBucketId,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->success) {
if (size) {
*size = result->size;
}
if (type) {
*type = result->type;
}
if (length || name) {
std::vector<int8_t> str;
GetBucketContents(kResultBucketId, &str);
GLsizei max_size = std::min(static_cast<size_t>(bufsize) - 1,
std::max(static_cast<size_t>(0),
str.size() - 1));
if (length) {
*length = max_size;
}
if (name && bufsize > 0) {
memcpy(name, &str[0], max_size);
name[max_size] = '\0';
}
}
}
return result->success != 0;
}
void GLES2Implementation::GetActiveUniform(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetActiveUniform("
<< program << ", " << index << ", " << bufsize << ", "
<< static_cast<const void*>(length) << ", "
<< static_cast<const void*>(size) << ", "
<< static_cast<const void*>(type) << ", "
<< static_cast<const void*>(name) << ", ");
if (bufsize < 0) {
SetGLError(GL_INVALID_VALUE, "glGetActiveUniform", "bufsize < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2::GetActiveUniform");
bool success = share_group_->program_info_manager()->GetActiveUniform(
this, program, index, bufsize, length, size, type, name);
if (success) {
if (size) {
GPU_CLIENT_LOG(" size: " << *size);
}
if (type) {
GPU_CLIENT_LOG(" type: " << GLES2Util::GetStringEnum(*type));
}
if (name) {
GPU_CLIENT_LOG(" name: " << name);
}
}
CheckGLError();
}
bool GLES2Implementation::GetActiveUniformBlockNameHelper(
GLuint program, GLuint index, GLsizei bufsize,
GLsizei* length, char* name) {
DCHECK_LE(0, bufsize);
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
typedef cmds::GetActiveUniformBlockName::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
// Set as failed so if the command fails we'll recover.
*result = 0;
helper_->GetActiveUniformBlockName(program, index, kResultBucketId,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (*result) {
if (bufsize == 0) {
if (length) {
*length = 0;
}
} else if (length || name) {
std::vector<int8_t> str;
GetBucketContents(kResultBucketId, &str);
DCHECK_GT(str.size(), 0u);
GLsizei max_size =
std::min(bufsize, static_cast<GLsizei>(str.size())) - 1;
if (length) {
*length = max_size;
}
if (name) {
memcpy(name, &str[0], max_size);
name[max_size] = '\0';
}
}
}
return *result != 0;
}
void GLES2Implementation::GetActiveUniformBlockName(
GLuint program, GLuint index, GLsizei bufsize,
GLsizei* length, char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetActiveUniformBlockName("
<< program << ", " << index << ", " << bufsize << ", "
<< static_cast<const void*>(length) << ", "
<< static_cast<const void*>(name) << ")");
if (bufsize < 0) {
SetGLError(GL_INVALID_VALUE, "glGetActiveUniformBlockName", "bufsize < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2::GetActiveUniformBlockName");
bool success =
share_group_->program_info_manager()->GetActiveUniformBlockName(
this, program, index, bufsize, length, name);
if (success) {
if (name) {
GPU_CLIENT_LOG(" name: " << name);
}
}
CheckGLError();
}
bool GLES2Implementation::GetActiveUniformBlockivHelper(
GLuint program, GLuint index, GLenum pname, GLint* params) {
typedef cmds::GetActiveUniformBlockiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
result->SetNumResults(0);
helper_->GetActiveUniformBlockiv(
program, index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->GetNumResults() > 0) {
if (params) {
result->CopyResult(params);
}
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
return true;
}
return false;
}
void GLES2Implementation::GetActiveUniformBlockiv(
GLuint program, GLuint index, GLenum pname, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetActiveUniformBlockiv("
<< program << ", " << index << ", "
<< GLES2Util::GetStringUniformBlockParameter(pname) << ", "
<< static_cast<const void*>(params) << ")");
TRACE_EVENT0("gpu", "GLES2::GetActiveUniformBlockiv");
bool success =
share_group_->program_info_manager()->GetActiveUniformBlockiv(
this, program, index, pname, params);
if (success) {
if (params) {
// TODO(zmo): For GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES, there will
// be more than one value returned in params.
GPU_CLIENT_LOG(" params: " << params[0]);
}
}
CheckGLError();
}
bool GLES2Implementation::GetActiveUniformsivHelper(
GLuint program, GLsizei count, const GLuint* indices,
GLenum pname, GLint* params) {
typedef cmds::GetActiveUniformsiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
result->SetNumResults(0);
base::CheckedNumeric<size_t> bytes = static_cast<size_t>(count);
bytes *= sizeof(GLuint);
if (!bytes.IsValid()) {
SetGLError(GL_INVALID_VALUE, "glGetActiveUniformsiv", "count overflow");
return false;
}
SetBucketContents(kResultBucketId, indices, bytes.ValueOrDefault(0));
helper_->GetActiveUniformsiv(
program, kResultBucketId, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
bool success = result->GetNumResults() == count;
if (success) {
if (params) {
result->CopyResult(params);
}
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
}
helper_->SetBucketSize(kResultBucketId, 0);
return success;
}
void GLES2Implementation::GetActiveUniformsiv(
GLuint program, GLsizei count, const GLuint* indices,
GLenum pname, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetActiveUniformsiv("
<< program << ", " << count << ", "
<< static_cast<const void*>(indices) << ", "
<< GLES2Util::GetStringUniformParameter(pname) << ", "
<< static_cast<const void*>(params) << ")");
TRACE_EVENT0("gpu", "GLES2::GetActiveUniformsiv");
if (count < 0) {
SetGLError(GL_INVALID_VALUE, "glGetActiveUniformsiv", "count < 0");
return;
}
bool success = share_group_->program_info_manager()->GetActiveUniformsiv(
this, program, count, indices, pname, params);
if (success) {
if (params) {
GPU_CLIENT_LOG_CODE_BLOCK({
for (GLsizei ii = 0; ii < count; ++ii) {
GPU_CLIENT_LOG(" " << ii << ": " << params[ii]);
}
});
}
}
CheckGLError();
}
void GLES2Implementation::GetAttachedShaders(
GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetAttachedShaders("
<< program << ", " << maxcount << ", "
<< static_cast<const void*>(count) << ", "
<< static_cast<const void*>(shaders) << ", ");
if (maxcount < 0) {
SetGLError(GL_INVALID_VALUE, "glGetAttachedShaders", "maxcount < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2::GetAttachedShaders");
typedef cmds::GetAttachedShaders::Result Result;
uint32_t size = Result::ComputeSize(maxcount);
Result* result = static_cast<Result*>(transfer_buffer_->Alloc(size));
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetAttachedShaders(
program,
transfer_buffer_->GetShmId(),
transfer_buffer_->GetOffset(result),
size);
int32_t token = helper_->InsertToken();
WaitForCmd();
if (count) {
*count = result->GetNumResults();
}
result->CopyResult(shaders);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
transfer_buffer_->FreePendingToken(result, token);
CheckGLError();
}
void GLES2Implementation::GetShaderPrecisionFormat(
GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetShaderPrecisionFormat("
<< GLES2Util::GetStringShaderType(shadertype) << ", "
<< GLES2Util::GetStringShaderPrecision(precisiontype) << ", "
<< static_cast<const void*>(range) << ", "
<< static_cast<const void*>(precision) << ", ");
TRACE_EVENT0("gpu", "GLES2::GetShaderPrecisionFormat");
typedef cmds::GetShaderPrecisionFormat::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
GLStaticState::ShaderPrecisionKey key(shadertype, precisiontype);
GLStaticState::ShaderPrecisionMap::iterator i =
static_state_.shader_precisions.find(key);
if (i != static_state_.shader_precisions.end()) {
*result = i->second;
} else {
result->success = false;
helper_->GetShaderPrecisionFormat(
shadertype, precisiontype, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->success)
static_state_.shader_precisions[key] = *result;
}
if (result->success) {
if (range) {
range[0] = result->min_range;
range[1] = result->max_range;
GPU_CLIENT_LOG(" min_range: " << range[0]);
GPU_CLIENT_LOG(" min_range: " << range[1]);
}
if (precision) {
precision[0] = result->precision;
GPU_CLIENT_LOG(" min_range: " << precision[0]);
}
}
CheckGLError();
}
const GLubyte* GLES2Implementation::GetStringHelper(GLenum name) {
if (name == GL_EXTENSIONS && cached_extension_string_) {
return reinterpret_cast<const GLubyte*>(cached_extension_string_);
}
const char* result = NULL;
// Clears the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetString(name, kResultBucketId);
std::string str;
if (GetBucketAsString(kResultBucketId, &str)) {
// Adds extensions implemented on client side only.
if (name == GL_EXTENSIONS) {
str += std::string(str.empty() ? "" : " ") +
"GL_EXT_unpack_subimage "
"GL_CHROMIUM_map_sub";
if (capabilities_.image)
str += " GL_CHROMIUM_image GL_CHROMIUM_gpu_memory_buffer_image";
if (capabilities_.future_sync_points)
str += " GL_CHROMIUM_future_sync_point";
}
// Because of WebGL the extensions can change. We have to cache each unique
// result since we don't know when the client will stop referring to a
// previous one it queries.
// TODO: Here we could save memory by defining RequestExtensions
// invalidating the GL_EXTENSIONS string. http://crbug.com/586414
const std::string& cache = *gl_strings_.insert(str).first;
result = cache.c_str();
if (name == GL_EXTENSIONS) {
cached_extension_string_ = result;
std::vector<std::string> extensions =
base::SplitString(cache, base::kWhitespaceASCII,
base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
for (const std::string& extension : extensions) {
cached_extensions_.push_back(
gl_strings_.insert(extension).first->c_str());
}
}
}
return reinterpret_cast<const GLubyte*>(result);
}
const GLubyte* GLES2Implementation::GetString(GLenum name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetString("
<< GLES2Util::GetStringStringType(name) << ")");
TRACE_EVENT0("gpu", "GLES2::GetString");
const GLubyte* result = GetStringHelper(name);
GPU_CLIENT_LOG(" returned " << reinterpret_cast<const char*>(result));
CheckGLError();
return result;
}
const GLubyte* GLES2Implementation::GetStringi(GLenum name, GLuint index) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetStringi("
<< GLES2Util::GetStringStringType(name) << "," << index
<< ")");
TRACE_EVENT0("gpu", "GLES2::GetStringi");
UpdateCachedExtensionsIfNeeded();
if (name != GL_EXTENSIONS) {
SetGLError(GL_INVALID_ENUM, "glGetStringi", "name");
return nullptr;
}
if (index >= cached_extensions_.size()) {
SetGLError(GL_INVALID_VALUE, "glGetStringi", "index too large");
return nullptr;
}
const char* result = cached_extensions_[index];
GPU_CLIENT_LOG(" returned " << result);
CheckGLError();
return reinterpret_cast<const GLubyte*>(result);
}
bool GLES2Implementation::GetTransformFeedbackVaryingHelper(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
typedef cmds::GetTransformFeedbackVarying::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
// Set as failed so if the command fails we'll recover.
result->success = false;
helper_->GetTransformFeedbackVarying(
program, index, kResultBucketId, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
if (result->success) {
if (size) {
*size = result->size;
}
if (type) {
*type = result->type;
}
if (length || name) {
std::vector<int8_t> str;
GetBucketContents(kResultBucketId, &str);
GLsizei max_size = std::min(bufsize, static_cast<GLsizei>(str.size()));
if (max_size > 0) {
--max_size;
}
if (length) {
*length = max_size;
}
if (name) {
if (max_size > 0) {
memcpy(name, &str[0], max_size);
name[max_size] = '\0';
} else if (bufsize > 0) {
name[0] = '\0';
}
}
}
}
return result->success != 0;
}
void GLES2Implementation::GetTransformFeedbackVarying(
GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
GLenum* type, char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetTransformFeedbackVarying("
<< program << ", " << index << ", " << bufsize << ", "
<< static_cast<const void*>(length) << ", "
<< static_cast<const void*>(size) << ", "
<< static_cast<const void*>(type) << ", "
<< static_cast<const void*>(name) << ", ");
if (bufsize < 0) {
SetGLError(GL_INVALID_VALUE, "glGetTransformFeedbackVarying",
"bufsize < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2::GetTransformFeedbackVarying");
bool success =
share_group_->program_info_manager()->GetTransformFeedbackVarying(
this, program, index, bufsize, length, size, type, name);
if (success) {
if (size) {
GPU_CLIENT_LOG(" size: " << *size);
}
if (type) {
GPU_CLIENT_LOG(" type: " << GLES2Util::GetStringEnum(*type));
}
if (name) {
GPU_CLIENT_LOG(" name: " << name);
}
}
CheckGLError();
}
void GLES2Implementation::GetUniformfv(
GLuint program, GLint location, GLfloat* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformfv("
<< program << ", " << location << ", "
<< static_cast<const void*>(params) << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformfv");
typedef cmds::GetUniformfv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetUniformfv(
program, location, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::GetUniformiv(
GLuint program, GLint location, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformiv("
<< program << ", " << location << ", "
<< static_cast<const void*>(params) << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformiv");
typedef cmds::GetUniformiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetUniformiv(
program, location, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
GetResultAs<cmds::GetUniformiv::Result*>()->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::GetUniformuiv(
GLuint program, GLint location, GLuint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetUniformuiv("
<< program << ", " << location << ", "
<< static_cast<const void*>(params) << ")");
TRACE_EVENT0("gpu", "GLES2::GetUniformuiv");
typedef cmds::GetUniformuiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetUniformuiv(
program, location, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
GetResultAs<cmds::GetUniformuiv::Result*>()->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::ReadPixels(
GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format,
GLenum type, void* pixels) {
const char* func_name = "glReadPixels";
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glReadPixels("
<< xoffset << ", " << yoffset << ", "
<< width << ", " << height << ", "
<< GLES2Util::GetStringReadPixelFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< static_cast<const void*>(pixels) << ")");
if (width < 0 || height < 0) {
SetGLError(GL_INVALID_VALUE, func_name, "dimensions < 0");
return;
}
if (pack_skip_pixels_ + width >
(pack_row_length_ ? pack_row_length_ : width)) {
// This is WebGL 2 specific constraints, but we do it for all ES3 contexts.
SetGLError(GL_INVALID_OPERATION, func_name,
"invalid pack params combination");
return;
}
// glReadPixel pads the size of each row of pixels by an amount specified by
// glPixelStorei. So, we have to take that into account both in the fact that
// the pixels returned from the ReadPixel command will include that padding
// and that when we copy the results to the user's buffer we need to not
// write those padding bytes but leave them as they are.
TRACE_EVENT0("gpu", "GLES2::ReadPixels");
typedef cmds::ReadPixels::Result Result;
uint32_t size;
uint32_t unpadded_row_size;
uint32_t padded_row_size;
uint32_t skip_size;
PixelStoreParams params;
params.alignment = pack_alignment_;
params.row_length = pack_row_length_;
params.skip_pixels = pack_skip_pixels_;
params.skip_rows = pack_skip_rows_;
if (!GLES2Util::ComputeImageDataSizesES3(width, height, 1,
format, type,
params,
&size,
&unpadded_row_size,
&padded_row_size,
&skip_size,
nullptr)) {
SetGLError(GL_INVALID_VALUE, func_name, "size too large.");
return;
}
if (bound_pixel_pack_buffer_) {
base::CheckedNumeric<GLuint> offset = ToGLuint(pixels);
offset += skip_size;
if (!offset.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "skip size too large.");
return;
}
helper_->ReadPixels(xoffset, yoffset, width, height, format, type, 0,
offset.ValueOrDefault(0), 0, 0, false);
CheckGLError();
return;
}
uint32_t service_padded_row_size = 0;
if (pack_row_length_ > 0 && pack_row_length_ != width) {
if (!GLES2Util::ComputeImagePaddedRowSize(width,
format, type,
pack_alignment_,
&service_padded_row_size)) {
SetGLError(GL_INVALID_VALUE, func_name, "size too large.");
return;
}
} else {
service_padded_row_size = padded_row_size;
}
if (bound_pixel_pack_transfer_buffer_id_) {
if (pack_row_length_ > 0 || pack_skip_pixels_ > 0 || pack_skip_rows_ > 0) {
SetGLError(GL_INVALID_OPERATION, func_name,
"No ES3 pack parameters with pixel pack transfer buffer.");
return;
}
DCHECK_EQ(0u, skip_size);
GLuint offset = ToGLuint(pixels);
BufferTracker::Buffer* buffer = GetBoundPixelTransferBufferIfValid(
bound_pixel_pack_transfer_buffer_id_, func_name, offset, size);
if (buffer && buffer->shm_id() != -1) {
helper_->ReadPixels(xoffset, yoffset, width, height, format, type,
buffer->shm_id(), buffer->shm_offset() + offset,
0, 0, true);
CheckGLError();
}
return;
}
if (!pixels) {
SetGLError(GL_INVALID_OPERATION, func_name, "pixels = NULL");
return;
}
int8_t* dest = reinterpret_cast<int8_t*>(pixels);
// Advance pixels pointer past the skip rows and skip pixels
dest += skip_size;
// Transfer by rows.
// The max rows we can transfer.
GLsizei remaining_rows = height;
GLint y_index = yoffset;
uint32_t group_size = GLES2Util::ComputeImageGroupSize(format, type);
uint32_t skip_row_bytes = 0;
if (xoffset < 0) {
skip_row_bytes = static_cast<uint32_t>(-xoffset) * group_size;
}
do {
// Even if height == 0, we still need to trigger the service side handling
// in case invalid args are passed in and a GL errro needs to be generated.
GLsizei desired_size = remaining_rows == 0 ? 0 :
service_padded_row_size * (remaining_rows - 1) + unpadded_row_size;
ScopedTransferBufferPtr buffer(desired_size, helper_, transfer_buffer_);
if (!buffer.valid()) {
break;
}
GLint num_rows = ComputeNumRowsThatFitInBuffer(
service_padded_row_size, unpadded_row_size, buffer.size(),
remaining_rows);
// NOTE: We must look up the address of the result area AFTER allocation
// of the transfer buffer since the transfer buffer may be reallocated.
Result* result = GetResultAs<Result*>();
if (!result) {
break;
}
result->success = 0; // mark as failed.
result->row_length = 0;
result->num_rows = 0;
helper_->ReadPixels(
xoffset, y_index, width, num_rows, format, type,
buffer.shm_id(), buffer.offset(),
GetResultShmId(), GetResultShmOffset(),
false);
WaitForCmd();
// If it was not marked as successful exit.
if (!result->success) {
break;
}
if (remaining_rows == 0) {
break;
}
const uint8_t* src = static_cast<const uint8_t*>(buffer.address());
if (padded_row_size == unpadded_row_size &&
(pack_row_length_ == 0 || pack_row_length_ == width) &&
result->row_length == width && result->num_rows == num_rows) {
// The pixels are tightly packed.
uint32_t copy_size = unpadded_row_size * num_rows;
memcpy(dest, src, copy_size);
dest += copy_size;
} else if (result->row_length > 0 && result->num_rows > 0) {
uint32_t copy_row_size = result->row_length * group_size;
uint32_t copy_last_row_size = copy_row_size;
if (copy_row_size + skip_row_bytes > padded_row_size) {
// We need to avoid writing into next row in case the leading pixels
// are out-of-bounds and they need to be left untouched.
copy_row_size = padded_row_size - skip_row_bytes;
}
// We have to copy 1 row at a time to avoid writing padding bytes.
GLint copied_rows = 0;
for (GLint yy = 0; yy < num_rows; ++yy) {
if (y_index + yy >= 0 && copied_rows < result->num_rows) {
if (yy + 1 == num_rows && remaining_rows == num_rows) {
memcpy(dest + skip_row_bytes, src + skip_row_bytes,
copy_last_row_size);
} else {
memcpy(dest + skip_row_bytes, src + skip_row_bytes, copy_row_size);
}
++copied_rows;
}
dest += padded_row_size;
src += service_padded_row_size;
}
DCHECK_EQ(result->num_rows, copied_rows);
}
y_index += num_rows;
remaining_rows -= num_rows;
} while (remaining_rows);
CheckGLError();
}
void GLES2Implementation::ActiveTexture(GLenum texture) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glActiveTexture("
<< GLES2Util::GetStringEnum(texture) << ")");
GLuint texture_index = texture - GL_TEXTURE0;
if (texture_index >=
static_cast<GLuint>(capabilities_.max_combined_texture_image_units)) {
SetGLErrorInvalidEnum(
"glActiveTexture", texture, "texture");
return;
}
active_texture_unit_ = texture_index;
helper_->ActiveTexture(texture);
CheckGLError();
}
void GLES2Implementation::GenBuffersHelper(
GLsizei /* n */, const GLuint* /* buffers */) {
}
void GLES2Implementation::GenFramebuffersHelper(
GLsizei /* n */, const GLuint* /* framebuffers */) {
}
void GLES2Implementation::GenRenderbuffersHelper(
GLsizei /* n */, const GLuint* /* renderbuffers */) {
}
void GLES2Implementation::GenTexturesHelper(
GLsizei /* n */, const GLuint* /* textures */) {
}
void GLES2Implementation::GenVertexArraysOESHelper(
GLsizei n, const GLuint* arrays) {
vertex_array_object_manager_->GenVertexArrays(n, arrays);
}
void GLES2Implementation::GenQueriesEXTHelper(
GLsizei /* n */, const GLuint* /* queries */) {
}
void GLES2Implementation::GenSamplersHelper(
GLsizei /* n */, const GLuint* /* samplers */) {
}
void GLES2Implementation::GenTransformFeedbacksHelper(
GLsizei /* n */, const GLuint* /* transformfeedbacks */) {
}
// NOTE #1: On old versions of OpenGL, calling glBindXXX with an unused id
// generates a new resource. On newer versions of OpenGL they don't. The code
// related to binding below will need to change if we switch to the new OpenGL
// model. Specifically it assumes a bind will succeed which is always true in
// the old model but possibly not true in the new model if another context has
// deleted the resource.
// NOTE #2: There is a bug in some BindXXXHelpers, that IDs might be marked as
// used even when Bind has failed. However, the bug is minor compared to the
// overhead & duplicated checking in client side.
void GLES2Implementation::BindBufferHelper(
GLenum target, GLuint buffer_id) {
// TODO(gman): See note #1 above.
bool changed = false;
switch (target) {
case GL_ARRAY_BUFFER:
if (bound_array_buffer_ != buffer_id) {
bound_array_buffer_ = buffer_id;
changed = true;
}
break;
case GL_COPY_READ_BUFFER:
if (bound_copy_read_buffer_ != buffer_id) {
bound_copy_read_buffer_ = buffer_id;
changed = true;
}
break;
case GL_COPY_WRITE_BUFFER:
if (bound_copy_write_buffer_ != buffer_id) {
bound_copy_write_buffer_ = buffer_id;
changed = true;
}
break;
case GL_ELEMENT_ARRAY_BUFFER:
changed = vertex_array_object_manager_->BindElementArray(buffer_id);
break;
case GL_PIXEL_PACK_BUFFER:
if (bound_pixel_pack_buffer_ != buffer_id) {
bound_pixel_pack_buffer_ = buffer_id;
changed = true;
}
break;
case GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM:
bound_pixel_pack_transfer_buffer_id_ = buffer_id;
break;
case GL_PIXEL_UNPACK_BUFFER:
if (bound_pixel_unpack_buffer_ != buffer_id) {
bound_pixel_unpack_buffer_ = buffer_id;
changed = true;
}
break;
case GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM:
bound_pixel_unpack_transfer_buffer_id_ = buffer_id;
break;
case GL_TRANSFORM_FEEDBACK_BUFFER:
if (bound_transform_feedback_buffer_ != buffer_id) {
bound_transform_feedback_buffer_ = buffer_id;
changed = true;
}
break;
case GL_UNIFORM_BUFFER:
if (bound_uniform_buffer_ != buffer_id) {
bound_uniform_buffer_ = buffer_id;
changed = true;
}
break;
default:
changed = true;
break;
}
// TODO(gman): See note #2 above.
if (changed) {
GetIdHandler(id_namespaces::kBuffers)->MarkAsUsedForBind(
this, target, buffer_id, &GLES2Implementation::BindBufferStub);
}
}
void GLES2Implementation::BindBufferStub(GLenum target, GLuint buffer) {
helper_->BindBuffer(target, buffer);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::OrderingBarrier();
}
void GLES2Implementation::BindBufferBaseHelper(
GLenum target, GLuint index, GLuint buffer_id) {
// TODO(zmo): See note #1 above.
// TODO(zmo): See note #2 above.
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
if (index >=
static_cast<GLuint>(
capabilities_.max_transform_feedback_separate_attribs)) {
SetGLError(GL_INVALID_VALUE,
"glBindBufferBase", "index out of range");
return;
}
if (bound_transform_feedback_buffer_ != buffer_id) {
bound_transform_feedback_buffer_ = buffer_id;
}
break;
case GL_UNIFORM_BUFFER:
if (index >=
static_cast<GLuint>(capabilities_.max_uniform_buffer_bindings)) {
SetGLError(GL_INVALID_VALUE,
"glBindBufferBase", "index out of range");
return;
}
if (bound_uniform_buffer_ != buffer_id) {
bound_uniform_buffer_ = buffer_id;
}
break;
default:
SetGLError(GL_INVALID_ENUM, "glBindBufferBase", "invalid target");
return;
}
GetIdHandler(id_namespaces::kBuffers)->MarkAsUsedForBind(
this, target, index, buffer_id, &GLES2Implementation::BindBufferBaseStub);
}
void GLES2Implementation::BindBufferBaseStub(
GLenum target, GLuint index, GLuint buffer) {
helper_->BindBufferBase(target, index, buffer);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::Flush();
}
void GLES2Implementation::BindBufferRangeHelper(
GLenum target, GLuint index, GLuint buffer_id,
GLintptr offset, GLsizeiptr size) {
// TODO(zmo): See note #1 above.
// TODO(zmo): See note #2 above.
GetIdHandler(id_namespaces::kBuffers)->MarkAsUsedForBind(
this, target, index, buffer_id, offset, size,
&GLES2Implementation::BindBufferRangeStub);
}
void GLES2Implementation::BindBufferRangeStub(
GLenum target, GLuint index, GLuint buffer,
GLintptr offset, GLsizeiptr size) {
helper_->BindBufferRange(target, index, buffer, offset, size);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::Flush();
}
void GLES2Implementation::BindFramebufferHelper(
GLenum target, GLuint framebuffer) {
// TODO(gman): See note #1 above.
bool changed = false;
switch (target) {
case GL_FRAMEBUFFER:
if (bound_framebuffer_ != framebuffer ||
bound_read_framebuffer_ != framebuffer) {
bound_framebuffer_ = framebuffer;
bound_read_framebuffer_ = framebuffer;
changed = true;
}
break;
case GL_READ_FRAMEBUFFER:
if (!IsChromiumFramebufferMultisampleAvailable()) {
SetGLErrorInvalidEnum("glBindFramebuffer", target, "target");
return;
}
if (bound_read_framebuffer_ != framebuffer) {
bound_read_framebuffer_ = framebuffer;
changed = true;
}
break;
case GL_DRAW_FRAMEBUFFER:
if (!IsChromiumFramebufferMultisampleAvailable()) {
SetGLErrorInvalidEnum("glBindFramebuffer", target, "target");
return;
}
if (bound_framebuffer_ != framebuffer) {
bound_framebuffer_ = framebuffer;
changed = true;
}
break;
default:
SetGLErrorInvalidEnum("glBindFramebuffer", target, "target");
return;
}
if (changed) {
GetIdHandler(id_namespaces::kFramebuffers)->MarkAsUsedForBind(
this, target, framebuffer, &GLES2Implementation::BindFramebufferStub);
}
}
void GLES2Implementation::BindFramebufferStub(GLenum target,
GLuint framebuffer) {
helper_->BindFramebuffer(target, framebuffer);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::OrderingBarrier();
}
void GLES2Implementation::BindRenderbufferHelper(
GLenum target, GLuint renderbuffer) {
// TODO(gman): See note #1 above.
bool changed = false;
switch (target) {
case GL_RENDERBUFFER:
if (bound_renderbuffer_ != renderbuffer) {
bound_renderbuffer_ = renderbuffer;
changed = true;
}
break;
default:
changed = true;
break;
}
// TODO(zmo): See note #2 above.
if (changed) {
GetIdHandler(id_namespaces::kRenderbuffers)->MarkAsUsedForBind(
this, target, renderbuffer,
&GLES2Implementation::BindRenderbufferStub);
}
}
void GLES2Implementation::BindRenderbufferStub(GLenum target,
GLuint renderbuffer) {
helper_->BindRenderbuffer(target, renderbuffer);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::OrderingBarrier();
}
void GLES2Implementation::BindSamplerHelper(GLuint unit,
GLuint sampler) {
helper_->BindSampler(unit, sampler);
}
void GLES2Implementation::BindTextureHelper(GLenum target, GLuint texture) {
// TODO(gman): See note #1 above.
// TODO(gman): Change this to false once we figure out why it's failing
// on daisy.
bool changed = true;
TextureUnit& unit = texture_units_[active_texture_unit_];
switch (target) {
case GL_TEXTURE_2D:
if (unit.bound_texture_2d != texture) {
unit.bound_texture_2d = texture;
changed = true;
}
break;
case GL_TEXTURE_CUBE_MAP:
if (unit.bound_texture_cube_map != texture) {
unit.bound_texture_cube_map = texture;
changed = true;
}
break;
case GL_TEXTURE_EXTERNAL_OES:
if (unit.bound_texture_external_oes != texture) {
unit.bound_texture_external_oes = texture;
changed = true;
}
break;
default:
changed = true;
break;
}
// TODO(gman): See note #2 above.
if (changed) {
GetIdHandler(id_namespaces::kTextures)->MarkAsUsedForBind(
this, target, texture, &GLES2Implementation::BindTextureStub);
}
}
void GLES2Implementation::BindTextureStub(GLenum target, GLuint texture) {
helper_->BindTexture(target, texture);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::OrderingBarrier();
}
void GLES2Implementation::BindTransformFeedbackHelper(
GLenum target, GLuint transformfeedback) {
helper_->BindTransformFeedback(target, transformfeedback);
}
void GLES2Implementation::BindVertexArrayOESHelper(GLuint array) {
bool changed = false;
if (vertex_array_object_manager_->BindVertexArray(array, &changed)) {
if (changed) {
// Unlike other BindXXXHelpers we don't call MarkAsUsedForBind
// because unlike other resources VertexArrayObject ids must
// be generated by GenVertexArrays. A random id to Bind will not
// generate a new object.
helper_->BindVertexArrayOES(array);
}
} else {
SetGLError(
GL_INVALID_OPERATION, "glBindVertexArrayOES",
"id was not generated with glGenVertexArrayOES");
}
}
void GLES2Implementation::UseProgramHelper(GLuint program) {
if (current_program_ != program) {
current_program_ = program;
helper_->UseProgram(program);
}
}
bool GLES2Implementation::IsBufferReservedId(GLuint id) {
return vertex_array_object_manager_->IsReservedId(id);
}
void GLES2Implementation::DeleteBuffersHelper(
GLsizei n, const GLuint* buffers) {
if (!GetIdHandler(id_namespaces::kBuffers)->FreeIds(
this, n, buffers, &GLES2Implementation::DeleteBuffersStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteBuffers", "id not created by this context.");
return;
}
for (GLsizei ii = 0; ii < n; ++ii) {
if (buffers[ii] == bound_array_buffer_) {
bound_array_buffer_ = 0;
}
if (buffers[ii] == bound_copy_read_buffer_) {
bound_copy_read_buffer_ = 0;
}
if (buffers[ii] == bound_copy_write_buffer_) {
bound_copy_write_buffer_ = 0;
}
if (buffers[ii] == bound_pixel_pack_buffer_) {
bound_pixel_pack_buffer_ = 0;
}
if (buffers[ii] == bound_pixel_unpack_buffer_) {
bound_pixel_unpack_buffer_ = 0;
}
if (buffers[ii] == bound_transform_feedback_buffer_) {
bound_transform_feedback_buffer_ = 0;
}
if (buffers[ii] == bound_uniform_buffer_) {
bound_uniform_buffer_ = 0;
}
vertex_array_object_manager_->UnbindBuffer(buffers[ii]);
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffers[ii]);
if (buffer)
RemoveTransferBuffer(buffer);
if (buffers[ii] == bound_pixel_unpack_transfer_buffer_id_) {
bound_pixel_unpack_transfer_buffer_id_ = 0;
}
RemoveMappedBufferRangeById(buffers[ii]);
}
}
void GLES2Implementation::DeleteBuffersStub(
GLsizei n, const GLuint* buffers) {
helper_->DeleteBuffersImmediate(n, buffers);
}
void GLES2Implementation::DeleteFramebuffersHelper(
GLsizei n, const GLuint* framebuffers) {
if (!GetIdHandler(id_namespaces::kFramebuffers)->FreeIds(
this, n, framebuffers, &GLES2Implementation::DeleteFramebuffersStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteFramebuffers", "id not created by this context.");
return;
}
for (GLsizei ii = 0; ii < n; ++ii) {
if (framebuffers[ii] == bound_framebuffer_) {
bound_framebuffer_ = 0;
}
if (framebuffers[ii] == bound_read_framebuffer_) {
bound_read_framebuffer_ = 0;
}
}
}
void GLES2Implementation::DeleteFramebuffersStub(
GLsizei n, const GLuint* framebuffers) {
helper_->DeleteFramebuffersImmediate(n, framebuffers);
}
void GLES2Implementation::DeleteRenderbuffersHelper(
GLsizei n, const GLuint* renderbuffers) {
if (!GetIdHandler(id_namespaces::kRenderbuffers)->FreeIds(
this, n, renderbuffers, &GLES2Implementation::DeleteRenderbuffersStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteRenderbuffers", "id not created by this context.");
return;
}
for (GLsizei ii = 0; ii < n; ++ii) {
if (renderbuffers[ii] == bound_renderbuffer_) {
bound_renderbuffer_ = 0;
}
}
}
void GLES2Implementation::DeleteRenderbuffersStub(
GLsizei n, const GLuint* renderbuffers) {
helper_->DeleteRenderbuffersImmediate(n, renderbuffers);
}
void GLES2Implementation::DeleteTexturesHelper(
GLsizei n, const GLuint* textures) {
if (!GetIdHandler(id_namespaces::kTextures)->FreeIds(
this, n, textures, &GLES2Implementation::DeleteTexturesStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteTextures", "id not created by this context.");
return;
}
for (GLsizei ii = 0; ii < n; ++ii) {
for (GLint tt = 0; tt < capabilities_.max_combined_texture_image_units;
++tt) {
TextureUnit& unit = texture_units_[tt];
if (textures[ii] == unit.bound_texture_2d) {
unit.bound_texture_2d = 0;
}
if (textures[ii] == unit.bound_texture_cube_map) {
unit.bound_texture_cube_map = 0;
}
if (textures[ii] == unit.bound_texture_external_oes) {
unit.bound_texture_external_oes = 0;
}
}
}
}
void GLES2Implementation::DeleteTexturesStub(GLsizei n,
const GLuint* textures) {
helper_->DeleteTexturesImmediate(n, textures);
}
void GLES2Implementation::DeleteVertexArraysOESHelper(
GLsizei n, const GLuint* arrays) {
vertex_array_object_manager_->DeleteVertexArrays(n, arrays);
if (!GetIdHandler(id_namespaces::kVertexArrays)->FreeIds(
this, n, arrays, &GLES2Implementation::DeleteVertexArraysOESStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteVertexArraysOES", "id not created by this context.");
return;
}
}
void GLES2Implementation::DeleteVertexArraysOESStub(
GLsizei n, const GLuint* arrays) {
helper_->DeleteVertexArraysOESImmediate(n, arrays);
}
void GLES2Implementation::DeleteSamplersStub(
GLsizei n, const GLuint* samplers) {
helper_->DeleteSamplersImmediate(n, samplers);
}
void GLES2Implementation::DeleteSamplersHelper(
GLsizei n, const GLuint* samplers) {
if (!GetIdHandler(id_namespaces::kSamplers)->FreeIds(
this, n, samplers, &GLES2Implementation::DeleteSamplersStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteSamplers", "id not created by this context.");
return;
}
}
void GLES2Implementation::DeleteTransformFeedbacksStub(
GLsizei n, const GLuint* transformfeedbacks) {
helper_->DeleteTransformFeedbacksImmediate(n, transformfeedbacks);
}
void GLES2Implementation::DeleteTransformFeedbacksHelper(
GLsizei n, const GLuint* transformfeedbacks) {
if (!GetIdHandler(id_namespaces::kTransformFeedbacks)->FreeIds(
this, n, transformfeedbacks,
&GLES2Implementation::DeleteTransformFeedbacksStub)) {
SetGLError(
GL_INVALID_VALUE,
"glDeleteTransformFeedbacks", "id not created by this context.");
return;
}
}
void GLES2Implementation::DisableVertexAttribArray(GLuint index) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG(
"[" << GetLogPrefix() << "] glDisableVertexAttribArray(" << index << ")");
vertex_array_object_manager_->SetAttribEnable(index, false);
helper_->DisableVertexAttribArray(index);
CheckGLError();
}
void GLES2Implementation::EnableVertexAttribArray(GLuint index) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glEnableVertexAttribArray("
<< index << ")");
vertex_array_object_manager_->SetAttribEnable(index, true);
helper_->EnableVertexAttribArray(index);
CheckGLError();
}
void GLES2Implementation::DrawArrays(GLenum mode, GLint first, GLsizei count) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDrawArrays("
<< GLES2Util::GetStringDrawMode(mode) << ", "
<< first << ", " << count << ")");
if (count < 0) {
SetGLError(GL_INVALID_VALUE, "glDrawArrays", "count < 0");
return;
}
bool simulated = false;
if (vertex_array_object_manager_->SupportsClientSideBuffers()) {
GLsizei num_elements;
SafeAddInt32(first, count, &num_elements);
if (!vertex_array_object_manager_->SetupSimulatedClientSideBuffers(
"glDrawArrays", this, helper_, num_elements, 0, &simulated)) {
return;
}
}
helper_->DrawArrays(mode, first, count);
RestoreArrayBuffer(simulated);
CheckGLError();
}
void GLES2Implementation::GetVertexAttribfv(
GLuint index, GLenum pname, GLfloat* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetVertexAttribfv("
<< index << ", "
<< GLES2Util::GetStringVertexAttribute(pname) << ", "
<< static_cast<const void*>(params) << ")");
uint32_t value = 0;
if (vertex_array_object_manager_->GetVertexAttrib(index, pname, &value)) {
*params = static_cast<GLfloat>(value);
return;
}
TRACE_EVENT0("gpu", "GLES2::GetVertexAttribfv");
typedef cmds::GetVertexAttribfv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetVertexAttribfv(
index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::GetVertexAttribiv(
GLuint index, GLenum pname, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetVertexAttribiv("
<< index << ", "
<< GLES2Util::GetStringVertexAttribute(pname) << ", "
<< static_cast<const void*>(params) << ")");
uint32_t value = 0;
if (vertex_array_object_manager_->GetVertexAttrib(index, pname, &value)) {
*params = static_cast<GLint>(value);
return;
}
TRACE_EVENT0("gpu", "GLES2::GetVertexAttribiv");
typedef cmds::GetVertexAttribiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetVertexAttribiv(
index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::GetVertexAttribIiv(
GLuint index, GLenum pname, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetVertexAttribIiv("
<< index << ", "
<< GLES2Util::GetStringVertexAttribute(pname) << ", "
<< static_cast<const void*>(params) << ")");
uint32_t value = 0;
if (vertex_array_object_manager_->GetVertexAttrib(index, pname, &value)) {
*params = static_cast<GLint>(value);
return;
}
TRACE_EVENT0("gpu", "GLES2::GetVertexAttribIiv");
typedef cmds::GetVertexAttribiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetVertexAttribIiv(
index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
void GLES2Implementation::GetVertexAttribIuiv(
GLuint index, GLenum pname, GLuint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetVertexAttribIuiv("
<< index << ", "
<< GLES2Util::GetStringVertexAttribute(pname) << ", "
<< static_cast<const void*>(params) << ")");
uint32_t value = 0;
if (vertex_array_object_manager_->GetVertexAttrib(index, pname, &value)) {
*params = static_cast<GLuint>(value);
return;
}
TRACE_EVENT0("gpu", "GLES2::GetVertexAttribIuiv");
typedef cmds::GetVertexAttribiv::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetVertexAttribIuiv(
index, pname, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
result->CopyResult(params);
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
CheckGLError();
}
GLenum GLES2Implementation::GetGraphicsResetStatusKHR() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetGraphicsResetStatusKHR()");
// If any context (including ourselves) has seen itself become lost,
// then it will have told the ShareGroup, so just report its status.
if (share_group_->IsLost())
return GL_UNKNOWN_CONTEXT_RESET_KHR;
return GL_NO_ERROR;
}
void GLES2Implementation::Swap() {
SwapBuffers();
}
void GLES2Implementation::PartialSwapBuffers(const gfx::Rect& sub_buffer) {
PostSubBufferCHROMIUM(
sub_buffer.x(), sub_buffer.y(), sub_buffer.width(), sub_buffer.height());
}
void GLES2Implementation::CommitOverlayPlanes() {
CommitOverlayPlanesCHROMIUM();
}
static GLenum GetGLESOverlayTransform(gfx::OverlayTransform plane_transform) {
switch (plane_transform) {
case gfx::OVERLAY_TRANSFORM_INVALID:
break;
case gfx::OVERLAY_TRANSFORM_NONE:
return GL_OVERLAY_TRANSFORM_NONE_CHROMIUM;
case gfx::OVERLAY_TRANSFORM_FLIP_HORIZONTAL:
return GL_OVERLAY_TRANSFORM_FLIP_HORIZONTAL_CHROMIUM;
case gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL:
return GL_OVERLAY_TRANSFORM_FLIP_VERTICAL_CHROMIUM;
case gfx::OVERLAY_TRANSFORM_ROTATE_90:
return GL_OVERLAY_TRANSFORM_ROTATE_90_CHROMIUM;
case gfx::OVERLAY_TRANSFORM_ROTATE_180:
return GL_OVERLAY_TRANSFORM_ROTATE_180_CHROMIUM;
case gfx::OVERLAY_TRANSFORM_ROTATE_270:
return GL_OVERLAY_TRANSFORM_ROTATE_270_CHROMIUM;
}
NOTREACHED();
return GL_OVERLAY_TRANSFORM_NONE_CHROMIUM;
}
void GLES2Implementation::ScheduleOverlayPlane(
int plane_z_order,
gfx::OverlayTransform plane_transform,
unsigned overlay_texture_id,
const gfx::Rect& display_bounds,
const gfx::RectF& uv_rect) {
ScheduleOverlayPlaneCHROMIUM(plane_z_order,
GetGLESOverlayTransform(plane_transform),
overlay_texture_id,
display_bounds.x(),
display_bounds.y(),
display_bounds.width(),
display_bounds.height(),
uv_rect.x(),
uv_rect.y(),
uv_rect.width(),
uv_rect.height());
}
void GLES2Implementation::ScheduleCALayerSharedStateCHROMIUM(
GLfloat opacity,
GLboolean is_clipped,
const GLfloat* clip_rect,
GLint sorting_context_id,
const GLfloat* transform) {
size_t shm_size = 20 * sizeof(GLfloat);
ScopedTransferBufferPtr buffer(shm_size, helper_, transfer_buffer_);
if (!buffer.valid() || buffer.size() < shm_size) {
SetGLError(GL_OUT_OF_MEMORY, "GLES2::ScheduleCALayerSharedStateCHROMIUM",
"out of memory");
return;
}
GLfloat* mem = static_cast<GLfloat*>(buffer.address());
memcpy(mem + 0, clip_rect, 4 * sizeof(GLfloat));
memcpy(mem + 4, transform, 16 * sizeof(GLfloat));
helper_->ScheduleCALayerSharedStateCHROMIUM(opacity, is_clipped,
sorting_context_id,
buffer.shm_id(), buffer.offset());
}
void GLES2Implementation::ScheduleCALayerCHROMIUM(GLuint contents_texture_id,
const GLfloat* contents_rect,
GLuint background_color,
GLuint edge_aa_mask,
const GLfloat* bounds_rect,
GLuint filter) {
size_t shm_size = 8 * sizeof(GLfloat);
ScopedTransferBufferPtr buffer(shm_size, helper_, transfer_buffer_);
if (!buffer.valid() || buffer.size() < shm_size) {
SetGLError(GL_OUT_OF_MEMORY, "GLES2::ScheduleCALayerCHROMIUM",
"out of memory");
return;
}
GLfloat* mem = static_cast<GLfloat*>(buffer.address());
memcpy(mem + 0, contents_rect, 4 * sizeof(GLfloat));
memcpy(mem + 4, bounds_rect, 4 * sizeof(GLfloat));
helper_->ScheduleCALayerCHROMIUM(contents_texture_id, background_color,
edge_aa_mask, filter, buffer.shm_id(),
buffer.offset());
}
void GLES2Implementation::CommitOverlayPlanesCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] CommitOverlayPlanesCHROMIUM()");
TRACE_EVENT0("gpu", "GLES2::CommitOverlayPlanesCHROMIUM");
// Same flow control as GLES2Implementation::SwapBuffers (see comments there).
swap_buffers_tokens_.push(helper_->InsertToken());
helper_->CommitOverlayPlanesCHROMIUM();
helper_->CommandBufferHelper::Flush();
if (swap_buffers_tokens_.size() > kMaxSwapBuffers + 1) {
helper_->WaitForToken(swap_buffers_tokens_.front());
swap_buffers_tokens_.pop();
}
}
GLboolean GLES2Implementation::EnableFeatureCHROMIUM(
const char* feature) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glEnableFeatureCHROMIUM("
<< feature << ")");
TRACE_EVENT0("gpu", "GLES2::EnableFeatureCHROMIUM");
typedef cmds::EnableFeatureCHROMIUM::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return false;
}
*result = 0;
SetBucketAsCString(kResultBucketId, feature);
helper_->EnableFeatureCHROMIUM(
kResultBucketId, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
helper_->SetBucketSize(kResultBucketId, 0);
GPU_CLIENT_LOG(" returned " << GLES2Util::GetStringBool(*result));
return *result != 0;
}
void* GLES2Implementation::MapBufferSubDataCHROMIUM(
GLuint target, GLintptr offset, GLsizeiptr size, GLenum access) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMapBufferSubDataCHROMIUM("
<< target << ", " << offset << ", " << size << ", "
<< GLES2Util::GetStringEnum(access) << ")");
// NOTE: target is NOT checked because the service will check it
// and we don't know what targets are valid.
if (access != GL_WRITE_ONLY) {
SetGLErrorInvalidEnum(
"glMapBufferSubDataCHROMIUM", access, "access");
return NULL;
}
if (!ValidateSize("glMapBufferSubDataCHROMIUM", size) ||
!ValidateOffset("glMapBufferSubDataCHROMIUM", offset)) {
return NULL;
}
int32_t shm_id;
unsigned int shm_offset;
void* mem = mapped_memory_->Alloc(size, &shm_id, &shm_offset);
if (!mem) {
SetGLError(GL_OUT_OF_MEMORY, "glMapBufferSubDataCHROMIUM", "out of memory");
return NULL;
}
std::pair<MappedBufferMap::iterator, bool> result =
mapped_buffers_.insert(std::make_pair(
mem,
MappedBuffer(
access, shm_id, mem, shm_offset, target, offset, size)));
DCHECK(result.second);
GPU_CLIENT_LOG(" returned " << mem);
return mem;
}
void GLES2Implementation::UnmapBufferSubDataCHROMIUM(const void* mem) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG(
"[" << GetLogPrefix() << "] glUnmapBufferSubDataCHROMIUM(" << mem << ")");
MappedBufferMap::iterator it = mapped_buffers_.find(mem);
if (it == mapped_buffers_.end()) {
SetGLError(
GL_INVALID_VALUE, "UnmapBufferSubDataCHROMIUM", "buffer not mapped");
return;
}
const MappedBuffer& mb = it->second;
helper_->BufferSubData(
mb.target, mb.offset, mb.size, mb.shm_id, mb.shm_offset);
mapped_memory_->FreePendingToken(mb.shm_memory, helper_->InsertToken());
mapped_buffers_.erase(it);
CheckGLError();
}
GLuint GLES2Implementation::GetBoundBufferHelper(GLenum target) {
GLenum binding = GLES2Util::MapBufferTargetToBindingEnum(target);
GLint id = 0;
bool cached = GetHelper(binding, &id);
DCHECK(cached);
return static_cast<GLuint>(id);
}
void GLES2Implementation::RemoveMappedBufferRangeByTarget(GLenum target) {
GLuint buffer = GetBoundBufferHelper(target);
RemoveMappedBufferRangeById(buffer);
}
void GLES2Implementation::RemoveMappedBufferRangeById(GLuint buffer) {
if (buffer > 0) {
auto iter = mapped_buffer_range_map_.find(buffer);
if (iter != mapped_buffer_range_map_.end() && iter->second.shm_memory) {
mapped_memory_->FreePendingToken(
iter->second.shm_memory, helper_->InsertToken());
mapped_buffer_range_map_.erase(iter);
}
}
}
void GLES2Implementation::ClearMappedBufferRangeMap() {
for (auto& buffer_range : mapped_buffer_range_map_) {
if (buffer_range.second.shm_memory) {
mapped_memory_->FreePendingToken(
buffer_range.second.shm_memory, helper_->InsertToken());
}
}
mapped_buffer_range_map_.clear();
}
void* GLES2Implementation::MapBufferRange(
GLenum target, GLintptr offset, GLsizeiptr size, GLbitfield access) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMapBufferRange("
<< GLES2Util::GetStringEnum(target) << ", " << offset << ", "
<< size << ", " << access << ")");
if (!ValidateSize("glMapBufferRange", size) ||
!ValidateOffset("glMapBufferRange", offset)) {
return nullptr;
}
int32_t shm_id;
unsigned int shm_offset;
void* mem = mapped_memory_->Alloc(size, &shm_id, &shm_offset);
if (!mem) {
SetGLError(GL_OUT_OF_MEMORY, "glMapBufferRange", "out of memory");
return nullptr;
}
typedef cmds::MapBufferRange::Result Result;
Result* result = GetResultAs<Result*>();
*result = 0;
helper_->MapBufferRange(target, offset, size, access, shm_id, shm_offset,
GetResultShmId(), GetResultShmOffset());
// TODO(zmo): For write only mode with MAP_INVALID_*_BIT, we should
// consider an early return without WaitForCmd(). crbug.com/465804.
WaitForCmd();
if (*result) {
const GLbitfield kInvalidateBits =
GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_INVALIDATE_RANGE_BIT;
if ((access & kInvalidateBits) != 0) {
// We do not read back from the buffer, therefore, we set the client
// side memory to zero to avoid uninitialized data.
memset(mem, 0, size);
}
GLuint buffer = GetBoundBufferHelper(target);
DCHECK_NE(0u, buffer);
// glMapBufferRange fails on an already mapped buffer.
DCHECK(mapped_buffer_range_map_.find(buffer) ==
mapped_buffer_range_map_.end());
auto iter = mapped_buffer_range_map_.insert(std::make_pair(
buffer,
MappedBuffer(access, shm_id, mem, shm_offset, target, offset, size)));
DCHECK(iter.second);
} else {
mapped_memory_->Free(mem);
mem = nullptr;
}
GPU_CLIENT_LOG(" returned " << mem);
CheckGLError();
return mem;
}
GLboolean GLES2Implementation::UnmapBuffer(GLenum target) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUnmapBuffer("
<< GLES2Util::GetStringEnum(target) << ")");
switch (target) {
case GL_ARRAY_BUFFER:
case GL_ELEMENT_ARRAY_BUFFER:
case GL_COPY_READ_BUFFER:
case GL_COPY_WRITE_BUFFER:
case GL_PIXEL_PACK_BUFFER:
case GL_PIXEL_UNPACK_BUFFER:
case GL_TRANSFORM_FEEDBACK_BUFFER:
case GL_UNIFORM_BUFFER:
break;
default:
SetGLError(GL_INVALID_ENUM, "glUnmapBuffer", "invalid target");
return GL_FALSE;
}
GLuint buffer = GetBoundBufferHelper(target);
if (buffer == 0) {
SetGLError(GL_INVALID_OPERATION, "glUnmapBuffer", "no buffer bound");
return GL_FALSE;
}
auto iter = mapped_buffer_range_map_.find(buffer);
if (iter == mapped_buffer_range_map_.end()) {
SetGLError(GL_INVALID_OPERATION, "glUnmapBuffer", "buffer is unmapped");
return GL_FALSE;
}
helper_->UnmapBuffer(target);
RemoveMappedBufferRangeById(buffer);
// TODO(zmo): There is a rare situation that data might be corrupted and
// GL_FALSE should be returned. We lose context on that sitatuon, so we
// don't have to WaitForCmd().
GPU_CLIENT_LOG(" returned " << GL_TRUE);
CheckGLError();
return GL_TRUE;
}
void* GLES2Implementation::MapTexSubImage2DCHROMIUM(
GLenum target,
GLint level,
GLint xoffset,
GLint yoffset,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
GLenum access) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMapTexSubImage2DCHROMIUM("
<< target << ", " << level << ", "
<< xoffset << ", " << yoffset << ", "
<< width << ", " << height << ", "
<< GLES2Util::GetStringTextureFormat(format) << ", "
<< GLES2Util::GetStringPixelType(type) << ", "
<< GLES2Util::GetStringEnum(access) << ")");
if (access != GL_WRITE_ONLY) {
SetGLErrorInvalidEnum(
"glMapTexSubImage2DCHROMIUM", access, "access");
return NULL;
}
// NOTE: target is NOT checked because the service will check it
// and we don't know what targets are valid.
if (level < 0 || xoffset < 0 || yoffset < 0 || width < 0 || height < 0) {
SetGLError(
GL_INVALID_VALUE, "glMapTexSubImage2DCHROMIUM", "bad dimensions");
return NULL;
}
uint32_t size;
if (!GLES2Util::ComputeImageDataSizes(
width, height, 1, format, type, unpack_alignment_, &size, NULL, NULL)) {
SetGLError(
GL_INVALID_VALUE, "glMapTexSubImage2DCHROMIUM", "image size too large");
return NULL;
}
int32_t shm_id;
unsigned int shm_offset;
void* mem = mapped_memory_->Alloc(size, &shm_id, &shm_offset);
if (!mem) {
SetGLError(GL_OUT_OF_MEMORY, "glMapTexSubImage2DCHROMIUM", "out of memory");
return NULL;
}
std::pair<MappedTextureMap::iterator, bool> result =
mapped_textures_.insert(std::make_pair(
mem,
MappedTexture(
access, shm_id, mem, shm_offset,
target, level, xoffset, yoffset, width, height, format, type)));
DCHECK(result.second);
GPU_CLIENT_LOG(" returned " << mem);
return mem;
}
void GLES2Implementation::UnmapTexSubImage2DCHROMIUM(const void* mem) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG(
"[" << GetLogPrefix() << "] glUnmapTexSubImage2DCHROMIUM(" << mem << ")");
MappedTextureMap::iterator it = mapped_textures_.find(mem);
if (it == mapped_textures_.end()) {
SetGLError(
GL_INVALID_VALUE, "UnmapTexSubImage2DCHROMIUM", "texture not mapped");
return;
}
const MappedTexture& mt = it->second;
helper_->TexSubImage2D(
mt.target, mt.level, mt.xoffset, mt.yoffset, mt.width, mt.height,
mt.format, mt.type, mt.shm_id, mt.shm_offset, GL_FALSE);
mapped_memory_->FreePendingToken(mt.shm_memory, helper_->InsertToken());
mapped_textures_.erase(it);
CheckGLError();
}
void GLES2Implementation::ResizeCHROMIUM(GLuint width,
GLuint height,
float scale_factor,
GLboolean alpha) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glResizeCHROMIUM(" << width << ", "
<< height << ", " << scale_factor << ", " << alpha << ")");
helper_->ResizeCHROMIUM(width, height, scale_factor, alpha);
CheckGLError();
}
const GLchar* GLES2Implementation::GetRequestableExtensionsCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glGetRequestableExtensionsCHROMIUM()");
TRACE_EVENT0("gpu",
"GLES2Implementation::GetRequestableExtensionsCHROMIUM()");
const char* result = NULL;
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetRequestableExtensionsCHROMIUM(kResultBucketId);
std::string str;
if (GetBucketAsString(kResultBucketId, &str)) {
// The set of requestable extensions shrinks as we enable
// them. Because we don't know when the client will stop referring
// to a previous one it queries (see GetString) we need to cache
// the unique results.
// TODO: Here we could save memory by defining RequestExtensions
// invalidating the GL_EXTENSIONS string. http://crbug.com/586414
result = gl_strings_.insert(str).first->c_str();
}
GPU_CLIENT_LOG(" returned " << result);
return reinterpret_cast<const GLchar*>(result);
}
// TODO(gman): Remove this command. It's here for WebGL but is incompatible
// with VirtualGL contexts.
void GLES2Implementation::RequestExtensionCHROMIUM(const char* extension) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glRequestExtensionCHROMIUM("
<< extension << ")");
InvalidateCachedExtensions();
SetBucketAsCString(kResultBucketId, extension);
helper_->RequestExtensionCHROMIUM(kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
struct ExtensionCheck {
const char* extension;
ExtensionStatus* status;
};
const ExtensionCheck checks[] = {
{
"GL_CHROMIUM_framebuffer_multisample",
&chromium_framebuffer_multisample_,
},
};
const size_t kNumChecks = sizeof(checks)/sizeof(checks[0]);
for (size_t ii = 0; ii < kNumChecks; ++ii) {
const ExtensionCheck& check = checks[ii];
if (*check.status == kUnavailableExtensionStatus &&
!strcmp(extension, check.extension)) {
*check.status = kUnknownExtensionStatus;
}
}
}
void GLES2Implementation::GetProgramInfoCHROMIUMHelper(
GLuint program,
std::vector<int8_t>* result) {
DCHECK(result);
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetProgramInfoCHROMIUM(program, kResultBucketId);
GetBucketContents(kResultBucketId, result);
}
void GLES2Implementation::GetProgramInfoCHROMIUM(
GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
if (bufsize < 0) {
SetGLError(
GL_INVALID_VALUE, "glProgramInfoCHROMIUM", "bufsize less than 0.");
return;
}
if (size == NULL) {
SetGLError(GL_INVALID_VALUE, "glProgramInfoCHROMIUM", "size is null.");
return;
}
// Make sure they've set size to 0 else the value will be undefined on
// lost context.
DCHECK_EQ(0, *size);
std::vector<int8_t> result;
GetProgramInfoCHROMIUMHelper(program, &result);
if (result.empty()) {
return;
}
*size = result.size();
if (!info) {
return;
}
if (static_cast<size_t>(bufsize) < result.size()) {
SetGLError(GL_INVALID_OPERATION,
"glProgramInfoCHROMIUM", "bufsize is too small for result.");
return;
}
memcpy(info, &result[0], result.size());
}
void GLES2Implementation::GetUniformBlocksCHROMIUMHelper(
GLuint program,
std::vector<int8_t>* result) {
DCHECK(result);
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetUniformBlocksCHROMIUM(program, kResultBucketId);
GetBucketContents(kResultBucketId, result);
}
void GLES2Implementation::GetUniformBlocksCHROMIUM(
GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
if (bufsize < 0) {
SetGLError(
GL_INVALID_VALUE, "glGetUniformBlocksCHROMIUM", "bufsize less than 0.");
return;
}
if (size == NULL) {
SetGLError(GL_INVALID_VALUE, "glGetUniformBlocksCHROMIUM", "size is null.");
return;
}
// Make sure they've set size to 0 else the value will be undefined on
// lost context.
DCHECK_EQ(0, *size);
std::vector<int8_t> result;
GetUniformBlocksCHROMIUMHelper(program, &result);
if (result.empty()) {
return;
}
*size = result.size();
if (!info) {
return;
}
if (static_cast<size_t>(bufsize) < result.size()) {
SetGLError(GL_INVALID_OPERATION, "glGetUniformBlocksCHROMIUM",
"bufsize is too small for result.");
return;
}
memcpy(info, &result[0], result.size());
}
void GLES2Implementation::GetUniformsES3CHROMIUMHelper(
GLuint program,
std::vector<int8_t>* result) {
DCHECK(result);
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetUniformsES3CHROMIUM(program, kResultBucketId);
GetBucketContents(kResultBucketId, result);
}
void GLES2Implementation::GetUniformsES3CHROMIUM(
GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
if (bufsize < 0) {
SetGLError(
GL_INVALID_VALUE, "glGetUniformsES3CHROMIUM", "bufsize less than 0.");
return;
}
if (size == NULL) {
SetGLError(GL_INVALID_VALUE, "glGetUniformsES3CHROMIUM", "size is null.");
return;
}
// Make sure they've set size to 0 else the value will be undefined on
// lost context.
DCHECK_EQ(0, *size);
std::vector<int8_t> result;
GetUniformsES3CHROMIUMHelper(program, &result);
if (result.empty()) {
return;
}
*size = result.size();
if (!info) {
return;
}
if (static_cast<size_t>(bufsize) < result.size()) {
SetGLError(GL_INVALID_OPERATION,
"glGetUniformsES3CHROMIUM", "bufsize is too small for result.");
return;
}
memcpy(info, &result[0], result.size());
}
void GLES2Implementation::GetTransformFeedbackVaryingsCHROMIUMHelper(
GLuint program,
std::vector<int8_t>* result) {
DCHECK(result);
// Clear the bucket so if the command fails nothing will be in it.
helper_->SetBucketSize(kResultBucketId, 0);
helper_->GetTransformFeedbackVaryingsCHROMIUM(program, kResultBucketId);
GetBucketContents(kResultBucketId, result);
}
void GLES2Implementation::GetTransformFeedbackVaryingsCHROMIUM(
GLuint program, GLsizei bufsize, GLsizei* size, void* info) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
if (bufsize < 0) {
SetGLError(GL_INVALID_VALUE, "glGetTransformFeedbackVaryingsCHROMIUM",
"bufsize less than 0.");
return;
}
if (size == NULL) {
SetGLError(GL_INVALID_VALUE, "glGetTransformFeedbackVaryingsCHROMIUM",
"size is null.");
return;
}
// Make sure they've set size to 0 else the value will be undefined on
// lost context.
DCHECK_EQ(0, *size);
std::vector<int8_t> result;
GetTransformFeedbackVaryingsCHROMIUMHelper(program, &result);
if (result.empty()) {
return;
}
*size = result.size();
if (!info) {
return;
}
if (static_cast<size_t>(bufsize) < result.size()) {
SetGLError(GL_INVALID_OPERATION, "glGetTransformFeedbackVaryingsCHROMIUM",
"bufsize is too small for result.");
return;
}
memcpy(info, &result[0], result.size());
}
void GLES2Implementation::PostSubBufferCHROMIUM(
GLint x, GLint y, GLint width, GLint height) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] PostSubBufferCHROMIUM("
<< x << ", " << y << ", " << width << ", " << height << ")");
TRACE_EVENT2("gpu", "GLES2::PostSubBufferCHROMIUM",
"width", width, "height", height);
// Same flow control as GLES2Implementation::SwapBuffers (see comments there).
swap_buffers_tokens_.push(helper_->InsertToken());
helper_->PostSubBufferCHROMIUM(x, y, width, height);
helper_->CommandBufferHelper::Flush();
if (swap_buffers_tokens_.size() > kMaxSwapBuffers + 1) {
helper_->WaitForToken(swap_buffers_tokens_.front());
swap_buffers_tokens_.pop();
}
}
void GLES2Implementation::DeleteQueriesEXTHelper(
GLsizei n, const GLuint* queries) {
for (GLsizei ii = 0; ii < n; ++ii) {
query_tracker_->RemoveQuery(queries[ii]);
query_id_allocator_->FreeID(queries[ii]);
}
helper_->DeleteQueriesEXTImmediate(n, queries);
}
GLboolean GLES2Implementation::IsQueryEXT(GLuint id) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] IsQueryEXT(" << id << ")");
// TODO(gman): To be spec compliant IDs from other contexts sharing
// resources need to return true here even though you can't share
// queries across contexts?
return query_tracker_->GetQuery(id) != NULL;
}
void GLES2Implementation::BeginQueryEXT(GLenum target, GLuint id) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] BeginQueryEXT("
<< GLES2Util::GetStringQueryTarget(target)
<< ", " << id << ")");
switch (target) {
case GL_COMMANDS_ISSUED_CHROMIUM:
case GL_LATENCY_QUERY_CHROMIUM:
case GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM:
case GL_GET_ERROR_QUERY_CHROMIUM:
break;
case GL_COMMANDS_COMPLETED_CHROMIUM:
if (!capabilities_.sync_query) {
SetGLError(
GL_INVALID_OPERATION, "glBeginQueryEXT",
"not enabled for commands completed queries");
return;
}
break;
case GL_ANY_SAMPLES_PASSED:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE:
if (!capabilities_.occlusion_query_boolean) {
SetGLError(
GL_INVALID_OPERATION, "glBeginQueryEXT",
"not enabled for occlusion queries");
return;
}
break;
case GL_TIME_ELAPSED_EXT:
if (!capabilities_.timer_queries) {
SetGLError(
GL_INVALID_OPERATION, "glBeginQueryEXT",
"not enabled for timing queries");
return;
}
break;
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
if (capabilities_.major_version >= 3)
break;
// Fall through
default:
SetGLError(
GL_INVALID_ENUM, "glBeginQueryEXT", "unknown query target");
return;
}
// if any outstanding queries INV_OP
if (query_tracker_->GetCurrentQuery(target)) {
SetGLError(
GL_INVALID_OPERATION, "glBeginQueryEXT", "query already in progress");
return;
}
if (id == 0) {
SetGLError(GL_INVALID_OPERATION, "glBeginQueryEXT", "id is 0");
return;
}
if (!query_id_allocator_->InUse(id)) {
SetGLError(GL_INVALID_OPERATION, "glBeginQueryEXT", "invalid id");
return;
}
// Extra setups some targets might need.
switch (target) {
case GL_TIME_ELAPSED_EXT:
if (!query_tracker_->SetDisjointSync(this)) {
SetGLError(GL_OUT_OF_MEMORY,
"glBeginQueryEXT",
"buffer allocation failed");
return;
}
break;
default:
break;
}
if (query_tracker_->BeginQuery(id, target, this))
CheckGLError();
}
void GLES2Implementation::EndQueryEXT(GLenum target) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] EndQueryEXT("
<< GLES2Util::GetStringQueryTarget(target) << ")");
if (query_tracker_->EndQuery(target, this))
CheckGLError();
}
void GLES2Implementation::QueryCounterEXT(GLuint id, GLenum target) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] QueryCounterEXT("
<< id
<< ", " << GLES2Util::GetStringQueryTarget(target) << ")");
switch (target) {
case GL_TIMESTAMP_EXT:
if (!capabilities_.timer_queries) {
SetGLError(
GL_INVALID_OPERATION, "glQueryCounterEXT",
"not enabled for timing queries");
return;
}
break;
default:
SetGLError(
GL_INVALID_ENUM, "glQueryCounterEXT", "unknown query target");
return;
}
if (id == 0) {
SetGLError(GL_INVALID_OPERATION, "glQueryCounterEXT", "id is 0");
return;
}
if (!query_id_allocator_->InUse(id)) {
SetGLError(GL_INVALID_OPERATION, "glQueryCounterEXT", "invalid id");
return;
}
// Extra setups some targets might need.
switch (target) {
case GL_TIMESTAMP_EXT:
if (!query_tracker_->SetDisjointSync(this)) {
SetGLError(GL_OUT_OF_MEMORY,
"glQueryCounterEXT",
"buffer allocation failed");
return;
}
break;
default:
break;
}
if (query_tracker_->QueryCounter(id, target, this))
CheckGLError();
}
void GLES2Implementation::GetQueryivEXT(
GLenum target, GLenum pname, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] GetQueryivEXT("
<< GLES2Util::GetStringQueryTarget(target) << ", "
<< GLES2Util::GetStringQueryParameter(pname) << ", "
<< static_cast<const void*>(params) << ")");
if (pname == GL_QUERY_COUNTER_BITS_EXT) {
switch (target) {
case GL_TIMESTAMP_EXT:
// Overall reliable driver support for timestamps is limited, so we
// disable the timestamp portion of this extension to encourage use of
// the better supported time elapsed queries.
*params = 0;
break;
case GL_TIME_ELAPSED_EXT:
// We convert all queries to CPU time so we support 64 bits.
*params = 64;
break;
default:
SetGLErrorInvalidEnum("glGetQueryivEXT", target, "target");
break;
}
return;
} else if (pname != GL_CURRENT_QUERY_EXT) {
SetGLErrorInvalidEnum("glGetQueryivEXT", pname, "pname");
return;
}
QueryTracker::Query* query = query_tracker_->GetCurrentQuery(target);
*params = query ? query->id() : 0;
GPU_CLIENT_LOG(" " << *params);
CheckGLError();
}
void GLES2Implementation::GetQueryObjectivEXT(
GLuint id, GLenum pname, GLint* params) {
GLuint64 result = 0;
if (GetQueryObjectValueHelper("glGetQueryObjectivEXT", id, pname, &result))
*params = base::saturated_cast<GLint>(result);
}
void GLES2Implementation::GetQueryObjectuivEXT(
GLuint id, GLenum pname, GLuint* params) {
GLuint64 result = 0;
if (GetQueryObjectValueHelper("glGetQueryObjectuivEXT", id, pname, &result))
*params = base::saturated_cast<GLuint>(result);
}
void GLES2Implementation::GetQueryObjecti64vEXT(
GLuint id, GLenum pname, GLint64* params) {
GLuint64 result = 0;
if (GetQueryObjectValueHelper("glGetQueryObjectiv64vEXT", id, pname, &result))
*params = base::saturated_cast<GLint64>(result);
}
void GLES2Implementation::GetQueryObjectui64vEXT(
GLuint id, GLenum pname, GLuint64* params) {
GLuint64 result = 0;
if (GetQueryObjectValueHelper("glGetQueryObjectui64vEXT", id, pname, &result))
*params = result;
}
void GLES2Implementation::SetDisjointValueSyncCHROMIUM() {
query_tracker_->SetDisjointSync(this);
}
void GLES2Implementation::DrawArraysInstancedANGLE(
GLenum mode, GLint first, GLsizei count, GLsizei primcount) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDrawArraysInstancedANGLE("
<< GLES2Util::GetStringDrawMode(mode) << ", "
<< first << ", " << count << ", " << primcount << ")");
if (count < 0) {
SetGLError(GL_INVALID_VALUE, "glDrawArraysInstancedANGLE", "count < 0");
return;
}
if (primcount < 0) {
SetGLError(GL_INVALID_VALUE, "glDrawArraysInstancedANGLE", "primcount < 0");
return;
}
if (primcount == 0) {
return;
}
bool simulated = false;
if (vertex_array_object_manager_->SupportsClientSideBuffers()) {
GLsizei num_elements;
SafeAddInt32(first, count, &num_elements);
if (!vertex_array_object_manager_->SetupSimulatedClientSideBuffers(
"glDrawArraysInstancedANGLE", this, helper_, num_elements,
primcount, &simulated)) {
return;
}
}
helper_->DrawArraysInstancedANGLE(mode, first, count, primcount);
RestoreArrayBuffer(simulated);
CheckGLError();
}
void GLES2Implementation::DrawElementsInstancedANGLE(
GLenum mode, GLsizei count, GLenum type, const void* indices,
GLsizei primcount) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDrawElementsInstancedANGLE("
<< GLES2Util::GetStringDrawMode(mode) << ", "
<< count << ", "
<< GLES2Util::GetStringIndexType(type) << ", "
<< static_cast<const void*>(indices) << ", "
<< primcount << ")");
if (count < 0) {
SetGLError(GL_INVALID_VALUE,
"glDrawElementsInstancedANGLE", "count less than 0.");
return;
}
if (count == 0) {
return;
}
if (primcount < 0) {
SetGLError(GL_INVALID_VALUE,
"glDrawElementsInstancedANGLE", "primcount < 0");
return;
}
if (primcount == 0) {
return;
}
if (vertex_array_object_manager_->bound_element_array_buffer() != 0 &&
!ValidateOffset("glDrawElementsInstancedANGLE",
reinterpret_cast<GLintptr>(indices))) {
return;
}
GLuint offset = 0;
bool simulated = false;
if (!vertex_array_object_manager_->SetupSimulatedIndexAndClientSideBuffers(
"glDrawElementsInstancedANGLE", this, helper_, count, type, primcount,
indices, &offset, &simulated)) {
return;
}
helper_->DrawElementsInstancedANGLE(mode, count, type, offset, primcount);
RestoreElementAndArrayBuffers(simulated);
CheckGLError();
}
void GLES2Implementation::GenMailboxCHROMIUM(
GLbyte* mailbox) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenMailboxCHROMIUM("
<< static_cast<const void*>(mailbox) << ")");
TRACE_EVENT0("gpu", "GLES2::GenMailboxCHROMIUM");
gpu::Mailbox result = gpu::Mailbox::Generate();
memcpy(mailbox, result.name, sizeof(result.name));
}
void GLES2Implementation::ProduceTextureCHROMIUM(GLenum target,
const GLbyte* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glProduceTextureCHROMIUM("
<< static_cast<const void*>(data) << ")");
const Mailbox& mailbox = *reinterpret_cast<const Mailbox*>(data);
DCHECK(mailbox.Verify()) << "ProduceTextureCHROMIUM was passed a "
"mailbox that was not generated by "
"GenMailboxCHROMIUM.";
helper_->ProduceTextureCHROMIUMImmediate(target, data);
CheckGLError();
}
void GLES2Implementation::ProduceTextureDirectCHROMIUM(
GLuint texture, GLenum target, const GLbyte* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glProduceTextureDirectCHROMIUM("
<< static_cast<const void*>(data) << ")");
const Mailbox& mailbox = *reinterpret_cast<const Mailbox*>(data);
DCHECK(mailbox.Verify()) << "ProduceTextureDirectCHROMIUM was passed a "
"mailbox that was not generated by "
"GenMailboxCHROMIUM.";
helper_->ProduceTextureDirectCHROMIUMImmediate(texture, target, data);
CheckGLError();
}
void GLES2Implementation::ConsumeTextureCHROMIUM(GLenum target,
const GLbyte* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glConsumeTextureCHROMIUM("
<< static_cast<const void*>(data) << ")");
const Mailbox& mailbox = *reinterpret_cast<const Mailbox*>(data);
DCHECK(mailbox.Verify()) << "ConsumeTextureCHROMIUM was passed a "
"mailbox that was not generated by "
"GenMailboxCHROMIUM.";
helper_->ConsumeTextureCHROMIUMImmediate(target, data);
CheckGLError();
}
GLuint GLES2Implementation::CreateAndConsumeTextureCHROMIUM(
GLenum target, const GLbyte* data) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCreateAndConsumeTextureCHROMIUM("
<< static_cast<const void*>(data) << ")");
const Mailbox& mailbox = *reinterpret_cast<const Mailbox*>(data);
DCHECK(mailbox.Verify()) << "CreateAndConsumeTextureCHROMIUM was passed a "
"mailbox that was not generated by "
"GenMailboxCHROMIUM.";
GLuint client_id;
GetIdHandler(id_namespaces::kTextures)->MakeIds(this, 0, 1, &client_id);
helper_->CreateAndConsumeTextureINTERNALImmediate(target,
client_id, data);
if (share_group_->bind_generates_resource())
helper_->CommandBufferHelper::Flush();
CheckGLError();
return client_id;
}
void GLES2Implementation::PushGroupMarkerEXT(
GLsizei length, const GLchar* marker) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPushGroupMarkerEXT("
<< length << ", " << marker << ")");
if (!marker) {
marker = "";
}
SetBucketAsString(
kResultBucketId,
(length ? std::string(marker, length) : std::string(marker)));
helper_->PushGroupMarkerEXT(kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
debug_marker_manager_.PushGroup(
length ? std::string(marker, length) : std::string(marker));
}
void GLES2Implementation::InsertEventMarkerEXT(
GLsizei length, const GLchar* marker) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glInsertEventMarkerEXT("
<< length << ", " << marker << ")");
if (!marker) {
marker = "";
}
SetBucketAsString(
kResultBucketId,
(length ? std::string(marker, length) : std::string(marker)));
helper_->InsertEventMarkerEXT(kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
debug_marker_manager_.SetMarker(
length ? std::string(marker, length) : std::string(marker));
}
void GLES2Implementation::PopGroupMarkerEXT() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPopGroupMarkerEXT()");
helper_->PopGroupMarkerEXT();
debug_marker_manager_.PopGroup();
}
void GLES2Implementation::TraceBeginCHROMIUM(
const char* category_name, const char* trace_name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTraceBeginCHROMIUM("
<< category_name << ", " << trace_name << ")");
SetBucketAsCString(kResultBucketId, category_name);
SetBucketAsCString(kResultBucketId + 1, trace_name);
helper_->TraceBeginCHROMIUM(kResultBucketId, kResultBucketId + 1);
helper_->SetBucketSize(kResultBucketId, 0);
helper_->SetBucketSize(kResultBucketId + 1, 0);
current_trace_stack_++;
}
void GLES2Implementation::TraceEndCHROMIUM() {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glTraceEndCHROMIUM(" << ")");
if (current_trace_stack_ == 0) {
SetGLError(GL_INVALID_OPERATION, "glTraceEndCHROMIUM",
"missing begin trace");
return;
}
helper_->TraceEndCHROMIUM();
current_trace_stack_--;
}
void* GLES2Implementation::MapBufferCHROMIUM(GLuint target, GLenum access) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glMapBufferCHROMIUM("
<< target << ", " << GLES2Util::GetStringEnum(access) << ")");
switch (target) {
case GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM:
if (access != GL_READ_ONLY) {
SetGLError(GL_INVALID_ENUM, "glMapBufferCHROMIUM", "bad access mode");
return NULL;
}
break;
default:
SetGLError(
GL_INVALID_ENUM, "glMapBufferCHROMIUM", "invalid target");
return NULL;
}
GLuint buffer_id;
GetBoundPixelTransferBuffer(target, "glMapBufferCHROMIUM", &buffer_id);
if (!buffer_id) {
return NULL;
}
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffer_id);
if (!buffer) {
SetGLError(GL_INVALID_OPERATION, "glMapBufferCHROMIUM", "invalid buffer");
return NULL;
}
if (buffer->mapped()) {
SetGLError(GL_INVALID_OPERATION, "glMapBufferCHROMIUM", "already mapped");
return NULL;
}
// Here we wait for previous transfer operations to be finished.
if (buffer->last_usage_token()) {
helper_->WaitForToken(buffer->last_usage_token());
buffer->set_last_usage_token(0);
}
buffer->set_mapped(true);
GPU_CLIENT_LOG(" returned " << buffer->address());
CheckGLError();
return buffer->address();
}
GLboolean GLES2Implementation::UnmapBufferCHROMIUM(GLuint target) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG(
"[" << GetLogPrefix() << "] glUnmapBufferCHROMIUM(" << target << ")");
GLuint buffer_id;
if (!GetBoundPixelTransferBuffer(target, "glMapBufferCHROMIUM", &buffer_id)) {
SetGLError(GL_INVALID_ENUM, "glUnmapBufferCHROMIUM", "invalid target");
}
if (!buffer_id) {
return false;
}
BufferTracker::Buffer* buffer = buffer_tracker_->GetBuffer(buffer_id);
if (!buffer) {
SetGLError(GL_INVALID_OPERATION, "glUnmapBufferCHROMIUM", "invalid buffer");
return false;
}
if (!buffer->mapped()) {
SetGLError(GL_INVALID_OPERATION, "glUnmapBufferCHROMIUM", "not mapped");
return false;
}
buffer->set_mapped(false);
CheckGLError();
return true;
}
uint64_t GLES2Implementation::ShareGroupTracingGUID() const {
return share_group_->TracingGUID();
}
void GLES2Implementation::SetErrorMessageCallback(
const base::Callback<void(const char*, int32_t)>& callback) {
error_message_callback_ = callback;
}
void GLES2Implementation::SetLostContextCallback(
const base::Closure& callback) {
lost_context_callback_ = callback;
}
GLuint64 GLES2Implementation::InsertFenceSyncCHROMIUM() {
const uint64_t release = gpu_control_->GenerateFenceSyncRelease();
helper_->InsertFenceSyncCHROMIUM(release);
return release;
}
void GLES2Implementation::GenSyncTokenCHROMIUM(GLuint64 fence_sync,
GLbyte* sync_token) {
if (!sync_token) {
SetGLError(GL_INVALID_VALUE, "glGenSyncTokenCHROMIUM", "empty sync_token");
return;
} else if (!gpu_control_->IsFenceSyncRelease(fence_sync)) {
SetGLError(GL_INVALID_VALUE, "glGenSyncTokenCHROMIUM",
"invalid fence sync");
return;
} else if (!gpu_control_->IsFenceSyncFlushReceived(fence_sync)) {
SetGLError(GL_INVALID_OPERATION, "glGenSyncTokenCHROMIUM",
"fence sync must be flushed before generating sync token");
return;
}
// Copy the data over after setting the data to ensure alignment.
SyncToken sync_token_data(gpu_control_->GetNamespaceID(),
gpu_control_->GetExtraCommandBufferData(),
gpu_control_->GetCommandBufferID(), fence_sync);
sync_token_data.SetVerifyFlush();
memcpy(sync_token, &sync_token_data, sizeof(sync_token_data));
}
void GLES2Implementation::GenUnverifiedSyncTokenCHROMIUM(GLuint64 fence_sync,
GLbyte* sync_token) {
if (!sync_token) {
SetGLError(GL_INVALID_VALUE, "glGenNonFlushedSyncTokenCHROMIUM",
"empty sync_token");
return;
} else if (!gpu_control_->IsFenceSyncRelease(fence_sync)) {
SetGLError(GL_INVALID_VALUE, "glGenNonFlushedSyncTokenCHROMIUM",
"invalid fence sync");
return;
} else if (!gpu_control_->IsFenceSyncFlushed(fence_sync)) {
SetGLError(GL_INVALID_OPERATION, "glGenSyncTokenCHROMIUM",
"fence sync must be flushed before generating sync token");
return;
}
// Copy the data over after setting the data to ensure alignment.
SyncToken sync_token_data(gpu_control_->GetNamespaceID(),
gpu_control_->GetExtraCommandBufferData(),
gpu_control_->GetCommandBufferID(), fence_sync);
memcpy(sync_token, &sync_token_data, sizeof(sync_token_data));
}
void GLES2Implementation::VerifySyncTokensCHROMIUM(GLbyte **sync_tokens,
GLsizei count) {
bool requires_synchronization = false;
for (GLsizei i = 0; i < count; ++i) {
if (sync_tokens[i]) {
SyncToken sync_token;
memcpy(&sync_token, sync_tokens[i], sizeof(sync_token));
if (sync_token.HasData() && !sync_token.verified_flush()) {
if (!gpu_control_->CanWaitUnverifiedSyncToken(&sync_token)) {
SetGLError(GL_INVALID_VALUE, "glVerifySyncTokensCHROMIUM",
"Cannot verify sync token using this context.");
return;
}
requires_synchronization = true;
}
}
}
// This step must be done after all unverified tokens have finished processing
// CanWaitUnverifiedSyncToken(), command buffers use that to do any necessary
// flushes.
if (requires_synchronization) {
// Make sure we have no pending ordering barriers by flushing now.
FlushHelper();
// Ensure all the fence syncs are visible on GPU service.
gpu_control_->EnsureWorkVisible();
// We can automatically mark everything as verified now.
for (GLsizei i = 0; i < count; ++i) {
if (sync_tokens[i]) {
SyncToken sync_token;
memcpy(&sync_token, sync_tokens[i], sizeof(sync_token));
if (sync_token.HasData() && !sync_token.verified_flush()) {
sync_token.SetVerifyFlush();
memcpy(sync_tokens[i], &sync_token, sizeof(sync_token));
}
}
}
}
}
void GLES2Implementation::WaitSyncTokenCHROMIUM(const GLbyte* sync_token) {
if (sync_token) {
// Copy the data over before data access to ensure alignment.
SyncToken sync_token_data;
memcpy(&sync_token_data, sync_token, sizeof(SyncToken));
if (sync_token_data.HasData()) {
if (!sync_token_data.verified_flush() &&
!gpu_control_->CanWaitUnverifiedSyncToken(&sync_token_data)) {
SetGLError(GL_INVALID_VALUE, "glWaitSyncTokenCHROMIUM",
"Cannot wait on sync_token which has not been verified");
return;
}
helper_->WaitSyncTokenCHROMIUM(
static_cast<GLint>(sync_token_data.namespace_id()),
sync_token_data.command_buffer_id().GetUnsafeValue(),
sync_token_data.release_count());
}
}
}
namespace {
bool CreateImageValidInternalFormat(GLenum internalformat,
const Capabilities& capabilities) {
switch (internalformat) {
case GL_ATC_RGB_AMD:
case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
return capabilities.texture_format_atc;
case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
return capabilities.texture_format_dxt1;
case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return capabilities.texture_format_dxt5;
case GL_ETC1_RGB8_OES:
return capabilities.texture_format_etc1;
case GL_RED:
case GL_RGB:
case GL_RGBA:
case GL_RGB_YCBCR_422_CHROMIUM:
case GL_RGB_YCBCR_420V_CHROMIUM:
case GL_RGB_YCRCB_420_CHROMIUM:
case GL_BGRA_EXT:
return true;
default:
return false;
}
}
bool CreateGpuMemoryBufferValidInternalFormat(GLenum internalformat) {
switch (internalformat) {
case GL_RGB:
case GL_RGBA:
return true;
default:
return false;
}
}
bool ValidImageUsage(GLenum usage) {
return usage == GL_READ_WRITE_CHROMIUM;
}
} // namespace
GLuint GLES2Implementation::CreateImageCHROMIUMHelper(ClientBuffer buffer,
GLsizei width,
GLsizei height,
GLenum internalformat) {
if (width <= 0) {
SetGLError(GL_INVALID_VALUE, "glCreateImageCHROMIUM", "width <= 0");
return 0;
}
if (height <= 0) {
SetGLError(GL_INVALID_VALUE, "glCreateImageCHROMIUM", "height <= 0");
return 0;
}
if (!CreateImageValidInternalFormat(internalformat, capabilities_)) {
SetGLError(GL_INVALID_VALUE, "glCreateImageCHROMIUM", "invalid format");
return 0;
}
// CreateImage creates a fence sync so we must flush first to ensure all
// previously created fence syncs are flushed first.
FlushHelper();
int32_t image_id =
gpu_control_->CreateImage(buffer, width, height, internalformat);
if (image_id < 0) {
SetGLError(GL_OUT_OF_MEMORY, "glCreateImageCHROMIUM", "image_id < 0");
return 0;
}
return image_id;
}
GLuint GLES2Implementation::CreateImageCHROMIUM(ClientBuffer buffer,
GLsizei width,
GLsizei height,
GLenum internalformat) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCreateImageCHROMIUM(" << width
<< ", " << height << ", "
<< GLES2Util::GetStringImageInternalFormat(internalformat)
<< ")");
GLuint image_id =
CreateImageCHROMIUMHelper(buffer, width, height, internalformat);
CheckGLError();
return image_id;
}
void GLES2Implementation::DestroyImageCHROMIUMHelper(GLuint image_id) {
// Flush the command stream to make sure all pending commands
// that may refer to the image_id are executed on the service side.
helper_->CommandBufferHelper::Flush();
gpu_control_->DestroyImage(image_id);
}
void GLES2Implementation::DestroyImageCHROMIUM(GLuint image_id) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDestroyImageCHROMIUM("
<< image_id << ")");
DestroyImageCHROMIUMHelper(image_id);
CheckGLError();
}
GLuint GLES2Implementation::CreateGpuMemoryBufferImageCHROMIUMHelper(
GLsizei width,
GLsizei height,
GLenum internalformat,
GLenum usage) {
if (width <= 0) {
SetGLError(
GL_INVALID_VALUE, "glCreateGpuMemoryBufferImageCHROMIUM", "width <= 0");
return 0;
}
if (height <= 0) {
SetGLError(GL_INVALID_VALUE,
"glCreateGpuMemoryBufferImageCHROMIUM",
"height <= 0");
return 0;
}
if (!CreateGpuMemoryBufferValidInternalFormat(internalformat)) {
SetGLError(GL_INVALID_VALUE,
"glCreateGpuMemoryBufferImageCHROMIUM",
"invalid format");
return 0;
}
if (!ValidImageUsage(usage)) {
SetGLError(GL_INVALID_VALUE,
"glCreateGpuMemoryBufferImageCHROMIUM",
"invalid usage");
return 0;
}
// Flush the command stream to ensure ordering in case the newly
// returned image_id has recently been in use with a different buffer.
helper_->CommandBufferHelper::Flush();
int32_t image_id = gpu_control_->CreateGpuMemoryBufferImage(
width, height, internalformat, usage);
if (image_id < 0) {
SetGLError(GL_OUT_OF_MEMORY,
"glCreateGpuMemoryBufferImageCHROMIUM",
"image_id < 0");
return 0;
}
return image_id;
}
GLuint GLES2Implementation::CreateGpuMemoryBufferImageCHROMIUM(
GLsizei width,
GLsizei height,
GLenum internalformat,
GLenum usage) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glCreateGpuMemoryBufferImageCHROMIUM(" << width
<< ", " << height << ", "
<< GLES2Util::GetStringImageInternalFormat(internalformat)
<< ", " << GLES2Util::GetStringImageUsage(usage) << ")");
GLuint image_id = CreateGpuMemoryBufferImageCHROMIUMHelper(
width, height, internalformat, usage);
CheckGLError();
return image_id;
}
bool GLES2Implementation::ValidateSize(const char* func, GLsizeiptr size) {
if (size < 0) {
SetGLError(GL_INVALID_VALUE, func, "size < 0");
return false;
}
if (!base::IsValueInRangeForNumericType<int32_t>(size)) {
SetGLError(GL_INVALID_OPERATION, func, "size more than 32-bit");
return false;
}
return true;
}
bool GLES2Implementation::ValidateOffset(const char* func, GLintptr offset) {
if (offset < 0) {
SetGLError(GL_INVALID_VALUE, func, "offset < 0");
return false;
}
if (!base::IsValueInRangeForNumericType<int32_t>(offset)) {
SetGLError(GL_INVALID_OPERATION, func, "offset more than 32-bit");
return false;
}
return true;
}
bool GLES2Implementation::GetSamplerParameterfvHelper(
GLuint /* sampler */, GLenum /* pname */, GLfloat* /* params */) {
// TODO(zmo): Implement client side caching.
return false;
}
bool GLES2Implementation::GetSamplerParameterivHelper(
GLuint /* sampler */, GLenum /* pname */, GLint* /* params */) {
// TODO(zmo): Implement client side caching.
return false;
}
bool GLES2Implementation::PackStringsToBucket(GLsizei count,
const char* const* str,
const GLint* length,
const char* func_name) {
DCHECK_LE(0, count);
// Compute the total size.
base::CheckedNumeric<size_t> total_size = count;
total_size += 1;
total_size *= sizeof(GLint);
if (!total_size.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "overflow");
return false;
}
size_t header_size = total_size.ValueOrDefault(0);
std::vector<GLint> header(count + 1);
header[0] = static_cast<GLint>(count);
for (GLsizei ii = 0; ii < count; ++ii) {
GLint len = 0;
if (str[ii]) {
len = (length && length[ii] >= 0)
? length[ii]
: base::checked_cast<GLint>(strlen(str[ii]));
}
total_size += len;
total_size += 1; // NULL at the end of each char array.
if (!total_size.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "overflow");
return false;
}
header[ii + 1] = len;
}
// Pack data into a bucket on the service.
helper_->SetBucketSize(kResultBucketId, total_size.ValueOrDefault(0));
size_t offset = 0;
for (GLsizei ii = 0; ii <= count; ++ii) {
const char* src =
(ii == 0) ? reinterpret_cast<const char*>(&header[0]) : str[ii - 1];
base::CheckedNumeric<size_t> checked_size =
(ii == 0) ? header_size : static_cast<size_t>(header[ii]);
if (ii > 0) {
checked_size += 1; // NULL in the end.
}
if (!checked_size.IsValid()) {
SetGLError(GL_INVALID_VALUE, func_name, "overflow");
return false;
}
size_t size = checked_size.ValueOrDefault(0);
while (size) {
ScopedTransferBufferPtr buffer(size, helper_, transfer_buffer_);
if (!buffer.valid() || buffer.size() == 0) {
SetGLError(GL_OUT_OF_MEMORY, func_name, "too large");
return false;
}
size_t copy_size = buffer.size();
if (ii > 0 && buffer.size() == size)
--copy_size;
if (copy_size)
memcpy(buffer.address(), src, copy_size);
if (copy_size < buffer.size()) {
// Append NULL in the end.
DCHECK(copy_size + 1 == buffer.size());
char* str = reinterpret_cast<char*>(buffer.address());
str[copy_size] = 0;
}
helper_->SetBucketData(kResultBucketId, offset, buffer.size(),
buffer.shm_id(), buffer.offset());
offset += buffer.size();
src += buffer.size();
size -= buffer.size();
}
}
DCHECK_EQ(total_size.ValueOrDefault(0), offset);
return true;
}
void GLES2Implementation::UniformBlockBinding(GLuint program,
GLuint index,
GLuint binding) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glUniformBlockBinding(" << program
<< ", " << index << ", " << binding << ")");
share_group_->program_info_manager()->UniformBlockBinding(
this, program, index, binding);
helper_->UniformBlockBinding(program, index, binding);
CheckGLError();
}
GLenum GLES2Implementation::ClientWaitSync(
GLsync sync, GLbitfield flags, GLuint64 timeout) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glClientWaitSync(" << sync
<< ", " << flags << ", " << timeout << ")");
typedef cmds::ClientWaitSync::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
SetGLError(GL_OUT_OF_MEMORY, "ClientWaitSync", "");
return GL_WAIT_FAILED;
}
*result = GL_WAIT_FAILED;
helper_->ClientWaitSync(
ToGLuint(sync), flags, timeout, GetResultShmId(), GetResultShmOffset());
WaitForCmd();
GPU_CLIENT_LOG("returned " << *result);
CheckGLError();
return *result;
}
void GLES2Implementation::WaitSync(
GLsync sync, GLbitfield flags, GLuint64 timeout) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glWaitSync(" << sync << ", "
<< flags << ", " << timeout << ")");
helper_->WaitSync(ToGLuint(sync), flags, timeout);
CheckGLError();
}
void GLES2Implementation::GetInternalformativ(
GLenum target, GLenum format, GLenum pname,
GLsizei buf_size, GLint* params) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_VALIDATE_DESTINATION_INITALIZATION(GLint, params);
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGetInternalformativ("
<< GLES2Util::GetStringRenderBufferTarget(target) << ", "
<< GLES2Util::GetStringRenderBufferFormat(format) << ", "
<< GLES2Util::GetStringInternalFormatParameter(pname)
<< ", " << buf_size << ", "
<< static_cast<const void*>(params) << ")");
if (buf_size < 0) {
SetGLError(GL_INVALID_VALUE, "glGetInternalformativ", "bufSize < 0");
return;
}
TRACE_EVENT0("gpu", "GLES2Implementation::GetInternalformativ");
if (GetInternalformativHelper(target, format, pname, buf_size, params)) {
return;
}
typedef cmds::GetInternalformativ::Result Result;
Result* result = GetResultAs<Result*>();
if (!result) {
return;
}
result->SetNumResults(0);
helper_->GetInternalformativ(target, format, pname,
GetResultShmId(), GetResultShmOffset());
WaitForCmd();
GPU_CLIENT_LOG_CODE_BLOCK({
for (int32_t i = 0; i < result->GetNumResults(); ++i) {
GPU_CLIENT_LOG(" " << i << ": " << result->GetData()[i]);
}
});
if (buf_size > 0 && params) {
GLint* data = result->GetData();
if (buf_size >= result->GetNumResults()) {
buf_size = result->GetNumResults();
}
for (GLsizei ii = 0; ii < buf_size; ++ii) {
params[ii] = data[ii];
}
}
CheckGLError();
}
GLuint GLES2Implementation::GenPathsCHROMIUM(GLsizei range) {
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glGenPathsCHROMIUM(" << range
<< ")");
GPU_CLIENT_SINGLE_THREAD_CHECK();
static const char kFunctionName[] = "glGenPathsCHROMIUM";
if (range < 0) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "range < 0");
return 0;
}
if (!base::IsValueInRangeForNumericType<int32_t>(range)) {
SetGLError(GL_INVALID_OPERATION, kFunctionName, "range more than 32-bit");
return 0;
}
if (range == 0)
return 0;
GLuint first_client_id = 0;
GetRangeIdHandler(id_namespaces::kPaths)
->MakeIdRange(this, range, &first_client_id);
if (first_client_id == 0) {
// Ran out of id space. Is not specified to raise any gl errors.
return 0;
}
helper_->GenPathsCHROMIUM(first_client_id, range);
GPU_CLIENT_LOG_CODE_BLOCK({
for (GLsizei i = 0; i < range; ++i) {
GPU_CLIENT_LOG(" " << i << ": " << (first_client_id + i));
}
});
CheckGLError();
return first_client_id;
}
void GLES2Implementation::DeletePathsCHROMIUM(GLuint first_client_id,
GLsizei range) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glDeletePathsCHROMIUM("
<< first_client_id << ", " << range << ")");
static const char kFunctionName[] = "glDeletePathsCHROMIUM";
if (range < 0) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "range < 0");
return;
}
if (!base::IsValueInRangeForNumericType<int32_t>(range)) {
SetGLError(GL_INVALID_OPERATION, kFunctionName, "range more than 32-bit");
return;
}
if (range == 0)
return;
GLuint last_client_id;
if (!SafeAddUint32(first_client_id, range - 1, &last_client_id)) {
SetGLError(GL_INVALID_OPERATION, kFunctionName, "overflow");
return;
}
GetRangeIdHandler(id_namespaces::kPaths)
->FreeIdRange(this, first_client_id, range,
&GLES2Implementation::DeletePathsCHROMIUMStub);
CheckGLError();
}
void GLES2Implementation::DeletePathsCHROMIUMStub(GLuint first_client_id,
GLsizei range) {
helper_->DeletePathsCHROMIUM(first_client_id, range);
}
void GLES2Implementation::PathCommandsCHROMIUM(GLuint path,
GLsizei num_commands,
const GLubyte* commands,
GLsizei num_coords,
GLenum coord_type,
const void* coords) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glPathCommandsCHROMIUM(" << path
<< ", " << num_commands << ", " << commands << ", "
<< num_coords << ", " << coords << ")");
static const char kFunctionName[] = "glPathCommandsCHROMIUM";
if (path == 0) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "invalid path object");
return;
}
if (num_commands < 0) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "numCommands < 0");
return;
}
if (num_commands != 0 && !commands) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "missing commands");
return;
}
if (num_coords < 0) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "numCoords < 0");
return;
}
if (num_coords != 0 && !coords) {
SetGLError(GL_INVALID_VALUE, kFunctionName, "missing coords");
return;
}
uint32_t coord_type_size =
GLES2Util::GetGLTypeSizeForPathCoordType(coord_type);
if (coord_type_size == 0) {
SetGLError(GL_INVALID_ENUM, kFunctionName, "invalid coordType");
return;
}
if (num_commands == 0) {
// No commands must mean no coords, thus nothing to memcpy. Let
// the service validate the call. Validate coord_type above, so
// that the parameters will be checked the in the same order
// regardless of num_commands.
helper_->PathCommandsCHROMIUM(path, num_commands, 0, 0, num_coords,
coord_type, 0, 0);
CheckGLError();
return;
}
uint32_t coords_size;
if (!SafeMultiplyUint32(num_coords, coord_type_size, &coords_size)) {
SetGLError(GL_INVALID_OPERATION, kFunctionName, "overflow");
return;
}
uint32_t required_buffer_size;
if (!SafeAddUint32(coords_size, num_commands, &required_buffer_size)) {
SetGLError(GL_INVALID_OPERATION, kFunctionName, "overflow");
return;
}
ScopedTransferBufferPtr buffer(required_buffer_size, helper_,
transfer_buffer_);
if (!buffer.valid() || buffer.size() < required_buffer_size) {
SetGLError(GL_OUT_OF_MEMORY, kFunctionName, "too large");
return;
}
uint32_t coords_shm_id = 0;
uint32_t coords_shm_offset = 0;
// Copy coords first because they need more strict alignment.
if (coords_size > 0) {
unsigned char* coords_addr = static_cast<unsigned char*>(buffer.address());
memcpy(coords_addr, coords, coords_size);
coords_shm_id = buffer.shm_id();
coords_shm_offset = buffer.offset();
}
DCHECK(num_commands > 0);
unsigned char* commands_addr =
static_cast<unsigned char*>(buffer.address()) + coords_size;
memcpy(commands_addr, commands, num_commands);
helper_->PathCommandsCHROMIUM(path, num_commands, buffer.shm_id(),
buffer.offset() + coords_size, num_coords,
coord_type, coords_shm_id, coords_shm_offset);
CheckGLError();
}
bool GLES2Implementation::PrepareInstancedPathCommand(
const char* function_name,
GLsizei num_paths,
GLenum path_name_type,
const void* paths,
GLenum transform_type,
const GLfloat* transform_values,
ScopedTransferBufferPtr* buffer,
uint32_t* out_paths_shm_id,
size_t* out_paths_offset,
uint32_t* out_transforms_shm_id,
size_t* out_transforms_offset) {
if (num_paths < 0) {
SetGLError(GL_INVALID_VALUE, function_name, "numPaths < 0");
return false;
}
uint32_t path_name_size =
GLES2Util::GetGLTypeSizeForGLPathNameType(path_name_type);
if (path_name_size == 0) {
SetGLError(GL_INVALID_ENUM, function_name, "invalid pathNameType");
return false;
}
uint32_t transforms_component_count =
GLES2Util::GetComponentCountForGLTransformType(transform_type);
if (transform_type != GL_NONE && transforms_component_count == 0) {
SetGLError(GL_INVALID_ENUM, function_name, "invalid transformType");
return false;
}
if (num_paths == 0) {
// This might still be a valid or an invalid GL call. Make an empty call to
// the service side to check the rest of the parameters. We check the above
// parameters client-side, in order to get same GL errors whether num_paths
// == 0 or not. We do not check the parameters below, as they are anyway
// checked by the service side. We can not check all the parameters
// client-side, since the validators are not available.
*out_paths_shm_id = 0;
*out_paths_offset = 0;
*out_transforms_shm_id = 0;
*out_transforms_offset = 0;
return true;
}
if (!paths) {
SetGLError(GL_INVALID_VALUE, function_name, "missing paths");
return false;
}
if (transform_type != GL_NONE && !transform_values) {
SetGLError(GL_INVALID_VALUE, function_name, "missing transforms");
return false;
}
uint32_t paths_size;
if (!SafeMultiplyUint32(path_name_size, num_paths, &paths_size)) {
SetGLError(GL_INVALID_OPERATION, function_name, "overflow");
return false;
}
// The multiplication below will not overflow.
DCHECK(transforms_component_count <= 12);
uint32_t one_transform_size = sizeof(GLfloat) * transforms_component_count;
uint32_t transforms_size;
if (!SafeMultiplyUint32(one_transform_size, num_paths, &transforms_size)) {
SetGLError(GL_INVALID_OPERATION, function_name, "overflow");
return false;
}
uint32_t required_buffer_size;
if (!SafeAddUint32(transforms_size, paths_size, &required_buffer_size)) {
SetGLError(GL_INVALID_OPERATION, function_name, "overflow");
return false;
}
buffer->Reset(required_buffer_size);
if (!buffer->valid() || buffer->size() < required_buffer_size) {
SetGLError(GL_OUT_OF_MEMORY, function_name, "too large");
return false;
}
// Copy transforms first, they may have more strict alignment.
if (transforms_size > 0) {
unsigned char* transforms_addr =
static_cast<unsigned char*>(buffer->address());
memcpy(transforms_addr, transform_values, transforms_size);
*out_transforms_shm_id = buffer->shm_id();
*out_transforms_offset = buffer->offset();
} else {
*out_transforms_shm_id = 0;
*out_transforms_offset = 0;
}
DCHECK(paths_size > 0);
unsigned char* paths_addr =
static_cast<unsigned char*>(buffer->address()) + transforms_size;
memcpy(paths_addr, paths, paths_size);
*out_paths_shm_id = buffer->shm_id();
*out_paths_offset = buffer->offset() + transforms_size;
return true;
}
void GLES2Implementation::StencilFillPathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLenum fill_mode,
GLuint mask,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glStencilFillPathInstancedCHROMIUM(" << num_paths
<< ", " << path_name_type << ", " << paths << ", "
<< path_base << ", " << fill_mode << ", " << mask << ", "
<< transform_type << ", " << transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glStencilFillPathInstancedCHROMIUM", num_paths, path_name_type,
paths, transform_type, transform_values, &buffer, &paths_shm_id,
&paths_offset, &transforms_shm_id, &transforms_offset)) {
return;
}
helper_->StencilFillPathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base,
fill_mode, mask, transform_type, transforms_shm_id, transforms_offset);
CheckGLError();
}
void GLES2Implementation::StencilStrokePathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLint ref,
GLuint mask,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glStencilStrokePathInstancedCHROMIUM(" << num_paths
<< ", " << path_name_type << ", " << paths << ", "
<< path_base << ", " << ref << ", " << mask << ", "
<< transform_type << ", " << transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glStencilStrokePathInstancedCHROMIUM", num_paths, path_name_type,
paths, transform_type, transform_values, &buffer, &paths_shm_id,
&paths_offset, &transforms_shm_id, &transforms_offset)) {
return;
}
helper_->StencilStrokePathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base, ref,
mask, transform_type, transforms_shm_id, transforms_offset);
CheckGLError();
}
void GLES2Implementation::CoverFillPathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLenum cover_mode,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glCoverFillPathInstancedCHROMIUM("
<< num_paths << ", " << path_name_type << ", " << paths
<< ", " << path_base << ", " << cover_mode << ", "
<< transform_type << ", " << transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glCoverFillPathInstancedCHROMIUM", num_paths, path_name_type, paths,
transform_type, transform_values, &buffer, &paths_shm_id,
&paths_offset, &transforms_shm_id, &transforms_offset)) {
return;
}
helper_->CoverFillPathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base,
cover_mode, transform_type, transforms_shm_id, transforms_offset);
CheckGLError();
}
void GLES2Implementation::CoverStrokePathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLenum cover_mode,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glCoverStrokePathInstancedCHROMIUM(" << num_paths
<< ", " << path_name_type << ", " << paths << ", "
<< path_base << ", " << cover_mode << ", "
<< transform_type << ", " << transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glCoverStrokePathInstancedCHROMIUM", num_paths, path_name_type,
paths, transform_type, transform_values, &buffer, &paths_shm_id,
&paths_offset, &transforms_shm_id, &transforms_offset)) {
return;
}
helper_->CoverStrokePathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base,
cover_mode, transform_type, transforms_shm_id, transforms_offset);
CheckGLError();
}
void GLES2Implementation::StencilThenCoverFillPathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLenum fill_mode,
GLuint mask,
GLenum cover_mode,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG(
"[" << GetLogPrefix() << "] glStencilThenCoverFillPathInstancedCHROMIUM("
<< num_paths << ", " << path_name_type << ", " << paths << ", "
<< path_base << ", " << cover_mode << ", " << fill_mode << ", "
<< mask << ", " << transform_type << ", " << transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glStencilThenCoverFillPathInstancedCHROMIUM", num_paths,
path_name_type, paths, transform_type, transform_values, &buffer,
&paths_shm_id, &paths_offset, &transforms_shm_id,
&transforms_offset)) {
return;
}
helper_->StencilThenCoverFillPathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base,
fill_mode, mask, cover_mode, transform_type, transforms_shm_id,
transforms_offset);
CheckGLError();
}
void GLES2Implementation::StencilThenCoverStrokePathInstancedCHROMIUM(
GLsizei num_paths,
GLenum path_name_type,
const GLvoid* paths,
GLuint path_base,
GLint ref,
GLuint mask,
GLenum cover_mode,
GLenum transform_type,
const GLfloat* transform_values) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glStencilThenCoverStrokePathInstancedCHROMIUM("
<< num_paths << ", " << path_name_type << ", " << paths
<< ", " << path_base << ", " << cover_mode << ", " << ref
<< ", " << mask << ", " << transform_type << ", "
<< transform_values << ")");
ScopedTransferBufferPtr buffer(helper_, transfer_buffer_);
uint32_t paths_shm_id = 0;
size_t paths_offset = 0;
uint32_t transforms_shm_id = 0;
size_t transforms_offset = 0;
if (!PrepareInstancedPathCommand(
"glStencilThenCoverStrokePathInstancedCHROMIUM", num_paths,
path_name_type, paths, transform_type, transform_values, &buffer,
&paths_shm_id, &paths_offset, &transforms_shm_id,
&transforms_offset)) {
return;
}
helper_->StencilThenCoverStrokePathInstancedCHROMIUM(
num_paths, path_name_type, paths_shm_id, paths_offset, path_base, ref,
mask, cover_mode, transform_type, transforms_shm_id, transforms_offset);
CheckGLError();
}
void GLES2Implementation::BindFragmentInputLocationCHROMIUM(GLuint program,
GLint location,
const char* name) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glBindFragmentInputLocationCHROMIUM(" << program
<< ", " << location << ", " << name << ")");
SetBucketAsString(kResultBucketId, name);
helper_->BindFragmentInputLocationCHROMIUMBucket(program, location,
kResultBucketId);
helper_->SetBucketSize(kResultBucketId, 0);
CheckGLError();
}
void GLES2Implementation::ProgramPathFragmentInputGenCHROMIUM(
GLuint program,
GLint location,
GLenum gen_mode,
GLint components,
const GLfloat* coeffs) {
GPU_CLIENT_SINGLE_THREAD_CHECK();
GPU_CLIENT_LOG("[" << GetLogPrefix()
<< "] glProgramPathFragmentInputGenCHROMIUM(" << program
<< ", " << gen_mode << ", " << components << ", " << coeffs
<< ")");
uint32_t coeffs_per_component =
GLES2Util::GetCoefficientCountForGLPathFragmentInputGenMode(gen_mode);
if (components <= 0 || components > 4 || gen_mode == GL_NONE ||
coeffs_per_component == 0 || location == -1) {
helper_->ProgramPathFragmentInputGenCHROMIUM(program, location, gen_mode,
components, 0, 0);
} else {
// The multiplication below will not overflow.
DCHECK(coeffs_per_component > 0 && coeffs_per_component <= 4);
DCHECK(components > 0 && components <= 4);
uint32_t coeffs_size = sizeof(GLfloat) * coeffs_per_component * components;
ScopedTransferBufferPtr buffer(coeffs_size, helper_, transfer_buffer_);
if (!buffer.valid() || buffer.size() < coeffs_size) {
SetGLError(GL_OUT_OF_MEMORY, "glProgramPathFragmentInputGenCHROMIUM",
"no room in transfer buffer");
return;
}
DCHECK(coeffs_size > 0);
unsigned char* addr = static_cast<unsigned char*>(buffer.address());
memcpy(addr, coeffs, coeffs_size);
helper_->ProgramPathFragmentInputGenCHROMIUM(program, location, gen_mode,
components, buffer.shm_id(),
buffer.offset());
}
CheckGLError();
}
void GLES2Implementation::UpdateCachedExtensionsIfNeeded() {
if (cached_extension_string_) {
return;
}
GetStringHelper(GL_EXTENSIONS);
}
void GLES2Implementation::InvalidateCachedExtensions() {
cached_extension_string_ = nullptr;
cached_extensions_.clear();
}
// Include the auto-generated part of this file. We split this because it means
// we can easily edit the non-auto generated parts right here in this file
// instead of having to edit some template or the code generator.
#include "gpu/command_buffer/client/gles2_implementation_impl_autogen.h"
} // namespace gles2
} // namespace gpu