| // 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. |
| |
| #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" |
| |
| #include "third_party/khronos/GLES2/gl2.h" |
| #ifndef GL_GLEXT_PROTOTYPES |
| #define GL_GLEXT_PROTOTYPES 1 |
| #endif |
| #include "third_party/khronos/GLES2/gl2ext.h" |
| |
| #include <algorithm> |
| #include <set> |
| |
| #include "base/bind.h" |
| #include "base/command_line.h" |
| #include "base/debug/trace_event.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/message_loop.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/histogram.h" |
| #include "base/synchronization/lock.h" |
| #include "content/common/gpu/client/gpu_channel_host.h" |
| #include "content/common/gpu/gpu_memory_allocation.h" |
| #include "content/common/gpu/gpu_process_launch_causes.h" |
| #include "content/public/common/content_constants.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/GLES2/gl2extchromium.h" |
| #include "gpu/command_buffer/client/gles2_cmd_helper.h" |
| #include "gpu/command_buffer/client/gles2_implementation.h" |
| #include "gpu/command_buffer/client/gles2_lib.h" |
| #include "gpu/command_buffer/client/gles2_trace_implementation.h" |
| #include "gpu/command_buffer/client/transfer_buffer.h" |
| #include "gpu/command_buffer/common/constants.h" |
| #include "gpu/command_buffer/common/mailbox.h" |
| #include "gpu/ipc/command_buffer_proxy.h" |
| #include "third_party/skia/include/core/SkTypes.h" |
| #include "webkit/common/gpu/gl_bindings_skia_cmd_buffer.h" |
| |
| namespace content { |
| static base::LazyInstance<base::Lock>::Leaky |
| g_all_shared_contexts_lock = LAZY_INSTANCE_INITIALIZER; |
| static base::LazyInstance<std::set<WebGraphicsContext3DCommandBufferImpl*> > |
| g_all_shared_contexts = LAZY_INSTANCE_INITIALIZER; |
| |
| namespace { |
| |
| void ClearSharedContextsIfInShareSet( |
| WebGraphicsContext3DCommandBufferImpl* context) { |
| // If the given context isn't in the share set, that means that it |
| // or another context it was previously sharing with already |
| // provoked a lost context. Other contexts might have since been |
| // successfully created and added to the share set, so do not clear |
| // out the share set unless we know that all the contexts in there |
| // are supposed to be lost simultaneously. |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| std::set<WebGraphicsContext3DCommandBufferImpl*>* share_set = |
| g_all_shared_contexts.Pointer(); |
| for (std::set<WebGraphicsContext3DCommandBufferImpl*>::iterator iter = |
| share_set->begin(); iter != share_set->end(); ++iter) { |
| if (context == *iter) { |
| share_set->clear(); |
| return; |
| } |
| } |
| } |
| |
| size_t ClampUint64ToSizeT(uint64 value) { |
| value = std::min(value, |
| static_cast<uint64>(std::numeric_limits<size_t>::max())); |
| return static_cast<size_t>(value); |
| } |
| |
| const int32 kCommandBufferSize = 1024 * 1024; |
| // TODO(kbr): make the transfer buffer size configurable via context |
| // creation attributes. |
| const size_t kStartTransferBufferSize = 1 * 1024 * 1024; |
| const size_t kMinTransferBufferSize = 1 * 256 * 1024; |
| const size_t kMaxTransferBufferSize = 16 * 1024 * 1024; |
| |
| // Singleton used to initialize and terminate the gles2 library. |
| class GLES2Initializer { |
| public: |
| GLES2Initializer() { |
| gles2::Initialize(); |
| } |
| |
| ~GLES2Initializer() { |
| gles2::Terminate(); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(GLES2Initializer); |
| }; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| base::LazyInstance<GLES2Initializer> g_gles2_initializer = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| } // namespace anonymous |
| |
| class WebGraphicsContext3DErrorMessageCallback |
| : public gpu::gles2::GLES2Implementation::ErrorMessageCallback { |
| public: |
| WebGraphicsContext3DErrorMessageCallback( |
| WebGraphicsContext3DCommandBufferImpl* context) |
| : graphics_context_(context) { |
| } |
| |
| virtual void OnErrorMessage(const char* msg, int id) OVERRIDE; |
| |
| private: |
| WebGraphicsContext3DCommandBufferImpl* graphics_context_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebGraphicsContext3DErrorMessageCallback); |
| }; |
| |
| void WebGraphicsContext3DErrorMessageCallback::OnErrorMessage( |
| const char* msg, int id) { |
| graphics_context_->OnErrorMessage(msg, id); |
| } |
| |
| WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl( |
| int surface_id, |
| const GURL& active_url, |
| GpuChannelHostFactory* factory, |
| const base::WeakPtr<WebGraphicsContext3DSwapBuffersClient>& swap_client) |
| : initialize_failed_(false), |
| factory_(factory), |
| visible_(false), |
| free_command_buffer_when_invisible_(false), |
| host_(NULL), |
| surface_id_(surface_id), |
| active_url_(active_url), |
| swap_client_(swap_client), |
| context_lost_callback_(0), |
| context_lost_reason_(GL_NO_ERROR), |
| error_message_callback_(0), |
| swapbuffers_complete_callback_(0), |
| gpu_preference_(gfx::PreferIntegratedGpu), |
| cached_width_(0), |
| cached_height_(0), |
| bound_fbo_(0), |
| weak_ptr_factory_(this), |
| initialized_(false), |
| parent_(NULL), |
| parent_texture_id_(0), |
| command_buffer_(NULL), |
| gles2_helper_(NULL), |
| transfer_buffer_(NULL), |
| gl_(NULL), |
| real_gl_(NULL), |
| trace_gl_(NULL), |
| frame_number_(0), |
| bind_generates_resources_(false), |
| use_echo_for_swap_ack_(true) { |
| #if (defined(OS_MACOSX) || defined(OS_WIN)) && !defined(USE_AURA) |
| // Get ViewMsg_SwapBuffers_ACK from browser for single-threaded path. |
| const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
| use_echo_for_swap_ack_ = |
| command_line.HasSwitch(switches::kEnableThreadedCompositing); |
| #endif |
| } |
| |
| WebGraphicsContext3DCommandBufferImpl:: |
| ~WebGraphicsContext3DCommandBufferImpl() { |
| if (real_gl_) { |
| real_gl_->SetErrorMessageCallback(NULL); |
| } |
| |
| { |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| g_all_shared_contexts.Pointer()->erase(this); |
| } |
| Destroy(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::Initialize( |
| const WebGraphicsContext3D::Attributes& attributes, |
| bool bind_generates_resources, |
| CauseForGpuLaunch cause) { |
| TRACE_EVENT0("gpu", "WebGfxCtx3DCmdBfrImpl::initialize"); |
| |
| attributes_ = attributes; |
| bind_generates_resources_ = bind_generates_resources; |
| DCHECK(!command_buffer_); |
| |
| if (!factory_) |
| return false; |
| |
| if (attributes.preferDiscreteGPU) |
| gpu_preference_ = gfx::PreferDiscreteGpu; |
| |
| host_ = factory_->EstablishGpuChannelSync(cause); |
| if (!host_) |
| return false; |
| DCHECK(host_->state() == GpuChannelHost::kConnected); |
| |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::MaybeInitializeGL( |
| const char* allowed_extensions) { |
| if (initialized_) |
| return true; |
| |
| if (initialize_failed_) |
| return false; |
| |
| TRACE_EVENT0("gpu", "WebGfxCtx3DCmdBfrImpl::MaybeInitializeGL"); |
| |
| const char* preferred_extensions = "*"; |
| |
| if (!CreateContext(surface_id_ != 0, |
| allowed_extensions ? |
| allowed_extensions : preferred_extensions)) { |
| Destroy(); |
| initialize_failed_ = true; |
| return false; |
| } |
| |
| // TODO(twiz): This code is too fragile in that it assumes that only WebGL |
| // contexts will request noExtensions. |
| if (gl_ && attributes_.noExtensions) |
| gl_->EnableFeatureCHROMIUM("webgl_enable_glsl_webgl_validation"); |
| |
| command_buffer_->SetChannelErrorCallback( |
| base::Bind(&WebGraphicsContext3DCommandBufferImpl::OnContextLost, |
| weak_ptr_factory_.GetWeakPtr())); |
| |
| command_buffer_->SetOnConsoleMessageCallback( |
| base::Bind(&WebGraphicsContext3DCommandBufferImpl::OnErrorMessage, |
| weak_ptr_factory_.GetWeakPtr())); |
| |
| client_error_message_callback_.reset( |
| new WebGraphicsContext3DErrorMessageCallback(this)); |
| real_gl_->SetErrorMessageCallback(client_error_message_callback_.get()); |
| |
| const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
| free_command_buffer_when_invisible_ = |
| command_line.HasSwitch(switches::kEnablePruneGpuCommandBuffers); |
| |
| // Set attributes_ from created offscreen context. |
| { |
| static const int pcount = 4; |
| static const GLenum pnames[pcount] = { |
| GL_ALPHA_BITS, |
| GL_DEPTH_BITS, |
| GL_STENCIL_BITS, |
| GL_SAMPLE_BUFFERS, |
| }; |
| GLint pvalues[pcount] = { 0, 0, 0, 0 }; |
| |
| gl_->GetMultipleIntegervCHROMIUM(pnames, pcount, |
| pvalues, sizeof(pvalues)); |
| |
| attributes_.alpha = pvalues[0] > 0; |
| attributes_.depth = pvalues[1] > 0; |
| attributes_.stencil = pvalues[2] > 0; |
| attributes_.antialias = pvalues[3] > 0; |
| } |
| |
| if (attributes_.shareResources) { |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| g_all_shared_contexts.Pointer()->insert(this); |
| } |
| |
| visible_ = true; |
| initialized_ = true; |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::InitializeCommandBuffer( |
| bool onscreen, |
| const char* allowed_extensions) { |
| if (!host_) |
| return false; |
| // We need to lock g_all_shared_contexts to ensure that the context we picked |
| // for our share group isn't deleted. |
| // (There's also a lock in our destructor.) |
| base::AutoLock lock(g_all_shared_contexts_lock.Get()); |
| CommandBufferProxyImpl* share_group = NULL; |
| if (attributes_.shareResources) { |
| WebGraphicsContext3DCommandBufferImpl* share_group_context = |
| g_all_shared_contexts.Pointer()->empty() ? |
| NULL : *g_all_shared_contexts.Pointer()->begin(); |
| share_group = share_group_context ? |
| share_group_context->command_buffer_ : NULL; |
| } |
| |
| std::vector<int32> attribs; |
| attribs.push_back(ALPHA_SIZE); |
| attribs.push_back(attributes_.alpha ? 8 : 0); |
| attribs.push_back(DEPTH_SIZE); |
| attribs.push_back(attributes_.depth ? 24 : 0); |
| attribs.push_back(STENCIL_SIZE); |
| attribs.push_back(attributes_.stencil ? 8 : 0); |
| attribs.push_back(SAMPLES); |
| attribs.push_back(attributes_.antialias ? 4 : 0); |
| attribs.push_back(SAMPLE_BUFFERS); |
| attribs.push_back(attributes_.antialias ? 1 : 0); |
| attribs.push_back(NONE); |
| |
| // Create a proxy to a command buffer in the GPU process. |
| if (onscreen) { |
| command_buffer_ = host_->CreateViewCommandBuffer( |
| surface_id_, |
| share_group, |
| allowed_extensions, |
| attribs, |
| active_url_, |
| gpu_preference_); |
| } else { |
| command_buffer_ = host_->CreateOffscreenCommandBuffer( |
| gfx::Size(1, 1), |
| share_group, |
| allowed_extensions, |
| attribs, |
| active_url_, |
| gpu_preference_); |
| } |
| |
| if (!command_buffer_) |
| return false; |
| |
| // Initialize the command buffer. |
| return command_buffer_->Initialize(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::CreateContext( |
| bool onscreen, |
| const char* allowed_extensions) { |
| |
| // Ensure the gles2 library is initialized first in a thread safe way. |
| g_gles2_initializer.Get(); |
| |
| if (!command_buffer_ && |
| !InitializeCommandBuffer(onscreen, |
| allowed_extensions)) { |
| return false; |
| } |
| |
| // Create the GLES2 helper, which writes the command buffer protocol. |
| gles2_helper_ = new gpu::gles2::GLES2CmdHelper(command_buffer_); |
| if (!gles2_helper_->Initialize(kCommandBufferSize)) |
| return false; |
| |
| if (attributes_.noAutomaticFlushes) |
| gles2_helper_->SetAutomaticFlushes(false); |
| |
| // Create a transfer buffer used to copy resources between the renderer |
| // process and the GPU process. |
| transfer_buffer_ = new gpu::TransferBuffer(gles2_helper_); |
| |
| WebGraphicsContext3DCommandBufferImpl* share_group_context = |
| g_all_shared_contexts.Pointer()->empty() ? |
| NULL : *g_all_shared_contexts.Pointer()->begin(); |
| |
| // Create the object exposing the OpenGL API. |
| real_gl_ = new gpu::gles2::GLES2Implementation( |
| gles2_helper_, |
| share_group_context ? |
| share_group_context->GetImplementation()->share_group() : NULL, |
| transfer_buffer_, |
| attributes_.shareResources, |
| bind_generates_resources_, |
| NULL); |
| gl_ = real_gl_; |
| |
| if (!real_gl_->Initialize( |
| kStartTransferBufferSize, |
| kMinTransferBufferSize, |
| kMaxTransferBufferSize)) { |
| return false; |
| } |
| |
| if (CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableGpuClientTracing)) { |
| trace_gl_ = new gpu::gles2::GLES2TraceImplementation(gl_); |
| gl_ = trace_gl_; |
| } |
| |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::makeContextCurrent() { |
| if (!MaybeInitializeGL(NULL)) |
| return false; |
| gles2::SetGLContext(gl_); |
| if (command_buffer_->GetLastError() != gpu::error::kNoError) |
| return false; |
| |
| return true; |
| } |
| |
| int WebGraphicsContext3DCommandBufferImpl::width() { |
| return cached_width_; |
| } |
| |
| int WebGraphicsContext3DCommandBufferImpl::height() { |
| return cached_height_; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::setParentContext( |
| WebGraphicsContext3D* parent_context) { |
| WebGraphicsContext3DCommandBufferImpl* parent_context_impl = |
| static_cast<WebGraphicsContext3DCommandBufferImpl*>(parent_context); |
| return SetParent(parent_context_impl); |
| } |
| |
| unsigned int WebGraphicsContext3DCommandBufferImpl::insertSyncPoint() { |
| return gl_->InsertSyncPointCHROMIUM(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::SetParent( |
| WebGraphicsContext3DCommandBufferImpl* new_parent) { |
| if (parent_ == new_parent) |
| return true; |
| |
| // Allocate a texture ID with respect to the parent and change the parent. |
| uint32 new_parent_texture_id = 0; |
| if (command_buffer_) { |
| if (new_parent) { |
| // Flush any remaining commands in the parent context to make sure the |
| // texture id accounting stays consistent. |
| int32 token = new_parent->gles2_helper_->InsertToken(); |
| new_parent->gles2_helper_->WaitForToken(token); |
| new_parent_texture_id = |
| new_parent->real_gl_->MakeTextureId(); |
| |
| if (!command_buffer_->SetParent(new_parent->command_buffer_, |
| new_parent_texture_id)) { |
| new_parent->real_gl_->FreeTextureId(parent_texture_id_); |
| return false; |
| } |
| } else { |
| if (!command_buffer_->SetParent(NULL, 0)) |
| return false; |
| } |
| } |
| |
| // Free the previous parent's texture ID. |
| if (parent_ && parent_texture_id_ != 0) { |
| // Flush any remaining commands in the parent context to make sure the |
| // texture id accounting stays consistent. |
| gpu::gles2::GLES2Implementation* parent_gles2 = |
| parent_->real_gl_; |
| parent_gles2->helper()->CommandBufferHelper::Finish(); |
| parent_gles2->FreeTextureId(parent_texture_id_); |
| } |
| |
| if (new_parent) { |
| parent_ = new_parent; |
| parent_texture_id_ = new_parent_texture_id; |
| } else { |
| parent_ = NULL; |
| parent_texture_id_ = 0; |
| } |
| |
| return true; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::Destroy() { |
| SetParent(NULL); |
| |
| if (gl_) { |
| // First flush the context to ensure that any pending frees of resources |
| // are completed. Otherwise, if this context is part of a share group, |
| // those resources might leak. Also, any remaining side effects of commands |
| // issued on this context might not be visible to other contexts in the |
| // share group. |
| gl_->Flush(); |
| gl_ = NULL; |
| } |
| |
| if (trace_gl_) { |
| delete trace_gl_; |
| trace_gl_ = NULL; |
| } |
| |
| if (real_gl_) { |
| delete real_gl_; |
| real_gl_ = NULL; |
| } |
| |
| if (transfer_buffer_) { |
| delete transfer_buffer_; |
| transfer_buffer_ = NULL; |
| } |
| |
| delete gles2_helper_; |
| gles2_helper_ = NULL; |
| |
| if (command_buffer_) { |
| if (host_) |
| host_->DestroyCommandBuffer(command_buffer_); |
| else |
| delete command_buffer_; |
| command_buffer_ = NULL; |
| } |
| |
| host_ = NULL; |
| } |
| |
| // TODO(apatrick,piman): This should be renamed to something clearer. |
| int WebGraphicsContext3DCommandBufferImpl::GetGPUProcessID() { |
| return host_ ? host_->gpu_host_id() : 0; |
| } |
| |
| int WebGraphicsContext3DCommandBufferImpl::GetChannelID() { |
| return host_ ? host_->client_id() : 0; |
| } |
| |
| int WebGraphicsContext3DCommandBufferImpl::GetContextID() { |
| return command_buffer_->GetRouteID(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::prepareTexture() { |
| TRACE_EVENT1("gpu", |
| "WebGraphicsContext3DCommandBufferImpl::SwapBuffers", |
| "frame", frame_number_); |
| frame_number_++; |
| // Copies the contents of the off-screen render target into the texture |
| // used by the compositor. |
| if (ShouldUseSwapClient()) |
| swap_client_->OnViewContextSwapBuffersPosted(); |
| |
| if (command_buffer_->GetLastState().error == gpu::error::kNoError) |
| gl_->SwapBuffers(); |
| |
| if (use_echo_for_swap_ack_) { |
| command_buffer_->Echo(base::Bind( |
| &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| #if defined(OS_MACOSX) |
| // It appears that making the compositor's on-screen context current on |
| // other platforms implies this flush. TODO(kbr): this means that the |
| // TOUCH build and, in the future, other platforms might need this. |
| gl_->Flush(); |
| #endif |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::postSubBufferCHROMIUM( |
| int x, int y, int width, int height) { |
| // Same flow control as WebGraphicsContext3DCommandBufferImpl::prepareTexture |
| // (see above). |
| if (ShouldUseSwapClient()) |
| swap_client_->OnViewContextSwapBuffersPosted(); |
| gl_->PostSubBufferCHROMIUM(x, y, width, height); |
| command_buffer_->Echo(base::Bind( |
| &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::reshape(int width, int height) { |
| reshapeWithScaleFactor(width, height, 1.f); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::reshapeWithScaleFactor( |
| int width, int height, float scale_factor) { |
| cached_width_ = width; |
| cached_height_ = height; |
| |
| gl_->ResizeCHROMIUM(width, height, scale_factor); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::FlipVertically( |
| uint8* framebuffer, |
| unsigned int width, |
| unsigned int height) { |
| if (width == 0) |
| return; |
| scanline_.resize(width * 4); |
| uint8* scanline = &scanline_[0]; |
| unsigned int row_bytes = width * 4; |
| unsigned int count = height / 2; |
| for (unsigned int i = 0; i < count; i++) { |
| uint8* row_a = framebuffer + i * row_bytes; |
| uint8* row_b = framebuffer + (height - i - 1) * row_bytes; |
| // TODO(kbr): this is where the multiplication of the alpha |
| // channel into the color buffer will need to occur if the |
| // user specifies the "premultiplyAlpha" flag in the context |
| // creation attributes. |
| memcpy(scanline, row_b, row_bytes); |
| memcpy(row_b, row_a, row_bytes); |
| memcpy(row_a, scanline, row_bytes); |
| } |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( |
| unsigned char* pixels, |
| size_t buffer_size, |
| WebGLId buffer, |
| int width, |
| int height) { |
| if (buffer_size != static_cast<size_t>(4 * width * height)) { |
| return false; |
| } |
| |
| // Earlier versions of this code used the GPU to flip the |
| // framebuffer vertically before reading it back for compositing |
| // via software. This code was quite complicated, used a lot of |
| // GPU memory, and didn't provide an obvious speedup. Since this |
| // vertical flip is only a temporary solution anyway until Chrome |
| // is fully GPU composited, it wasn't worth the complexity. |
| |
| bool mustRestoreFBO = (bound_fbo_ != buffer); |
| if (mustRestoreFBO) { |
| gl_->BindFramebuffer(GL_FRAMEBUFFER, buffer); |
| } |
| gl_->ReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels); |
| |
| #if (SK_R32_SHIFT == 16) && !SK_B32_SHIFT |
| // Swizzle red and blue channels to match SkBitmap's byte ordering. |
| // TODO(kbr): expose GL_BGRA as extension. |
| for (size_t i = 0; i < buffer_size; i += 4) { |
| std::swap(pixels[i], pixels[i + 2]); |
| } |
| #endif |
| |
| if (mustRestoreFBO) { |
| gl_->BindFramebuffer(GL_FRAMEBUFFER, bound_fbo_); |
| } |
| |
| if (pixels) { |
| FlipVertically(pixels, width, height); |
| } |
| |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( |
| unsigned char* pixels, |
| size_t buffer_size) { |
| return readBackFramebuffer(pixels, buffer_size, 0, width(), height()); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError( |
| WGC3Denum error) { |
| if (std::find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == |
| synthetic_errors_.end()) { |
| synthetic_errors_.push_back(error); |
| } |
| } |
| |
| void* WebGraphicsContext3DCommandBufferImpl::mapBufferSubDataCHROMIUM( |
| WGC3Denum target, |
| WGC3Dintptr offset, |
| WGC3Dsizeiptr size, |
| WGC3Denum access) { |
| return gl_->MapBufferSubDataCHROMIUM(target, offset, size, access); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::unmapBufferSubDataCHROMIUM( |
| const void* mem) { |
| return gl_->UnmapBufferSubDataCHROMIUM(mem); |
| } |
| |
| void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM( |
| WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| WGC3Denum access) { |
| return gl_->MapTexSubImage2DCHROMIUM( |
| target, level, xoffset, yoffset, width, height, format, type, access); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM( |
| const void* mem) { |
| gl_->UnmapTexSubImage2DCHROMIUM(mem); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::setVisibilityCHROMIUM( |
| bool visible) { |
| gl_->Flush(); |
| visible_ = visible; |
| command_buffer_->SetSurfaceVisible(visible); |
| if (!visible) |
| real_gl_->FreeEverything(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::discardFramebufferEXT( |
| WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { |
| gl_->DiscardFramebufferEXT(target, numAttachments, attachments); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::discardBackbufferCHROMIUM() { |
| gl_->Flush(); |
| command_buffer_->DiscardBackbuffer(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::ensureBackbufferCHROMIUM() { |
| gl_->Flush(); |
| command_buffer_->EnsureBackbuffer(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::sendManagedMemoryStatsCHROMIUM( |
| const WebGraphicsManagedMemoryStats* stats) |
| { |
| CHECK(command_buffer_); |
| command_buffer_->SendManagedMemoryStats(GpuManagedMemoryStats( |
| stats->bytesVisible, |
| stats->bytesVisibleAndNearby, |
| stats->bytesAllocated, |
| stats->backbufferRequested)); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl:: |
| setMemoryAllocationChangedCallbackCHROMIUM( |
| WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { |
| if (!command_buffer_) |
| return; |
| |
| if (callback) |
| command_buffer_->SetMemoryAllocationChangedCallback(base::Bind( |
| &WebGraphicsContext3DCommandBufferImpl::OnMemoryAllocationChanged, |
| weak_ptr_factory_.GetWeakPtr(), |
| callback)); |
| else |
| command_buffer_->SetMemoryAllocationChangedCallback( |
| base::Callback<void(const GpuMemoryAllocationForRenderer&)>()); |
| } |
| |
| |
| void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM( |
| WebGLId texture, WebGLId parentTexture) { |
| NOTIMPLEMENTED(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl:: |
| rateLimitOffscreenContextCHROMIUM() { |
| gl_->RateLimitOffscreenContextCHROMIUM(); |
| } |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: |
| getRequestableExtensionsCHROMIUM() { |
| return WebKit::WebString::fromUTF8( |
| gl_->GetRequestableExtensionsCHROMIUM()); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::requestExtensionCHROMIUM( |
| const char* extension) { |
| gl_->RequestExtensionCHROMIUM(extension); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM( |
| WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, |
| WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, |
| WGC3Dbitfield mask, WGC3Denum filter) { |
| gl_->BlitFramebufferEXT( |
| srcX0, srcY0, srcX1, srcY1, |
| dstX0, dstY0, dstX1, dstY1, |
| mask, filter); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl:: |
| renderbufferStorageMultisampleCHROMIUM( |
| WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, |
| WGC3Dsizei width, WGC3Dsizei height) { |
| gl_->RenderbufferStorageMultisampleEXT( |
| target, samples, internalformat, width, height); |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createStreamTextureCHROMIUM( |
| WebGLId texture) { |
| return gl_->CreateStreamTextureCHROMIUM(texture); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::destroyStreamTextureCHROMIUM( |
| WebGLId texture) { |
| gl_->DestroyStreamTextureCHROMIUM(texture); |
| } |
| |
| // Helper macros to reduce the amount of code. |
| |
| #define DELEGATE_TO_GL(name, glname) \ |
| void WebGraphicsContext3DCommandBufferImpl::name() { \ |
| gl_->glname(); \ |
| } |
| |
| #define DELEGATE_TO_GL_1(name, glname, t1) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| gl_->glname(a1); \ |
| } |
| |
| #define DELEGATE_TO_GL_1R(name, glname, t1, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| return gl_->glname(a1); \ |
| } |
| |
| #define DELEGATE_TO_GL_1RB(name, glname, t1, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
| return gl_->glname(a1) ? true : false; \ |
| } |
| |
| #define DELEGATE_TO_GL_2(name, glname, t1, t2) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
| gl_->glname(a1, a2); \ |
| } |
| |
| #define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt) \ |
| rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
| return gl_->glname(a1, a2); \ |
| } |
| |
| #define DELEGATE_TO_GL_3(name, glname, t1, t2, t3) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ |
| gl_->glname(a1, a2, a3); \ |
| } |
| |
| #define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, t4 a4) { \ |
| gl_->glname(a1, a2, a3, a4); \ |
| } |
| |
| #define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5) { \ |
| gl_->glname(a1, a2, a3, a4, a5); \ |
| } |
| |
| #define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6); \ |
| } |
| |
| #define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, t7 a7) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7); \ |
| } |
| |
| #define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, \ |
| t7 a7, t8 a8) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8); \ |
| } |
| |
| #define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ |
| void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
| t4 a4, t5 a5, t6 a6, \ |
| t7 a7, t8 a8, t9 a9) { \ |
| gl_->glname(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ |
| } |
| |
| DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId) |
| |
| DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId, |
| WGC3Duint, const WGC3Dchar*) |
| |
| DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId) |
| |
| void WebGraphicsContext3DCommandBufferImpl::bindFramebuffer( |
| WGC3Denum target, |
| WebGLId framebuffer) { |
| gl_->BindFramebuffer(target, framebuffer); |
| bound_fbo_ = framebuffer; |
| } |
| |
| DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_4(blendColor, BlendColor, |
| WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate, |
| WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(bufferData, BufferData, |
| WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(bufferSubData, BufferSubData, |
| WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*) |
| |
| DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus, |
| WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield) |
| |
| DELEGATE_TO_GL_4(clearColor, ClearColor, |
| WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint) |
| |
| DELEGATE_TO_GL_4(colorMask, ColorMask, |
| WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId) |
| |
| DELEGATE_TO_GL_8(compressedTexImage2D, CompressedTexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei, const void*) |
| |
| DELEGATE_TO_GL_9(compressedTexSubImage2D, CompressedTexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, |
| WGC3Denum, WGC3Dsizei, const void*) |
| |
| DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei, WGC3Dint) |
| |
| DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, |
| WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf) |
| |
| DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId) |
| |
| DELEGATE_TO_GL_1(disable, Disable, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray, |
| WGC3Duint) |
| |
| DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei) |
| |
| void WebGraphicsContext3DCommandBufferImpl::drawElements(WGC3Denum mode, |
| WGC3Dsizei count, |
| WGC3Denum type, |
| WGC3Dintptr offset) { |
| gl_->DrawElements( |
| mode, count, type, |
| reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
| } |
| |
| DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, |
| WGC3Duint) |
| |
| void WebGraphicsContext3DCommandBufferImpl::finish() { |
| gl_->Finish(); |
| if (!visible_ && free_command_buffer_when_invisible_) |
| real_gl_->FreeEverything(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::flush() { |
| gl_->Flush(); |
| if (!visible_ && free_command_buffer_when_invisible_) |
| real_gl_->FreeEverything(); |
| } |
| |
| DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, |
| WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) |
| |
| DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, |
| WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) |
| |
| DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) |
| |
| DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) |
| |
| bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib( |
| WebGLId program, WGC3Duint index, ActiveInfo& info) { |
| if (!program) { |
| synthesizeGLError(GL_INVALID_VALUE); |
| return false; |
| } |
| GLint max_name_length = -1; |
| gl_->GetProgramiv( |
| program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length); |
| if (max_name_length < 0) |
| return false; |
| scoped_ptr<GLchar[]> name(new GLchar[max_name_length]); |
| if (!name) { |
| synthesizeGLError(GL_OUT_OF_MEMORY); |
| return false; |
| } |
| GLsizei length = 0; |
| GLint size = -1; |
| GLenum type = 0; |
| gl_->GetActiveAttrib( |
| program, index, max_name_length, &length, &size, &type, name.get()); |
| if (size < 0) { |
| return false; |
| } |
| info.name = WebKit::WebString::fromUTF8(name.get(), length); |
| info.type = type; |
| info.size = size; |
| return true; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform( |
| WebGLId program, WGC3Duint index, ActiveInfo& info) { |
| GLint max_name_length = -1; |
| gl_->GetProgramiv( |
| program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length); |
| if (max_name_length < 0) |
| return false; |
| scoped_ptr<GLchar[]> name(new GLchar[max_name_length]); |
| if (!name) { |
| synthesizeGLError(GL_OUT_OF_MEMORY); |
| return false; |
| } |
| GLsizei length = 0; |
| GLint size = -1; |
| GLenum type = 0; |
| gl_->GetActiveUniform( |
| program, index, max_name_length, &length, &size, &type, name.get()); |
| if (size < 0) { |
| return false; |
| } |
| info.name = WebKit::WebString::fromUTF8(name.get(), length); |
| info.type = type; |
| info.size = size; |
| return true; |
| } |
| |
| DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders, |
| WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*) |
| |
| DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation, |
| WebGLId, const WGC3Dchar*, WGC3Dint) |
| |
| DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*) |
| |
| DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| WebKit::WebGraphicsContext3D::Attributes |
| WebGraphicsContext3DCommandBufferImpl::getContextAttributes() { |
| return attributes_; |
| } |
| |
| WGC3Denum WebGraphicsContext3DCommandBufferImpl::getError() { |
| if (!synthetic_errors_.empty()) { |
| std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin(); |
| WGC3Denum err = *iter; |
| synthetic_errors_.erase(iter); |
| return err; |
| } |
| |
| return gl_->GetError(); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::isContextLost() { |
| return initialize_failed_ || |
| (command_buffer_ && IsCommandBufferContextLost()) || |
| context_lost_reason_ != GL_NO_ERROR; |
| } |
| |
| DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv, |
| GetFramebufferAttachmentParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*) |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getProgramInfoLog( |
| WebGLId program) { |
| GLint logLength = 0; |
| gl_->GetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength); |
| if (!logLength) |
| return WebKit::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return WebKit::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetProgramInfoLog( |
| program, logLength, &returnedLogLength, log.get()); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| WebKit::WebString res = |
| WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*) |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderInfoLog( |
| WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength); |
| if (!logLength) |
| return WebKit::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return WebKit::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetShaderInfoLog( |
| shader, logLength, &returnedLogLength, log.get()); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| WebKit::WebString res = |
| WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| DELEGATE_TO_GL_4(getShaderPrecisionFormat, GetShaderPrecisionFormat, |
| WGC3Denum, WGC3Denum, WGC3Dint*, WGC3Dint*) |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderSource( |
| WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength); |
| if (!logLength) |
| return WebKit::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return WebKit::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetShaderSource( |
| shader, logLength, &returnedLogLength, log.get()); |
| if (!returnedLogLength) |
| return WebKit::WebString(); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| WebKit::WebString res = |
| WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: |
| getTranslatedShaderSourceANGLE(WebGLId shader) { |
| GLint logLength = 0; |
| gl_->GetShaderiv( |
| shader, GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE, &logLength); |
| if (!logLength) |
| return WebKit::WebString(); |
| scoped_ptr<GLchar[]> log(new GLchar[logLength]); |
| if (!log) |
| return WebKit::WebString(); |
| GLsizei returnedLogLength = 0; |
| gl_->GetTranslatedShaderSourceANGLE( |
| shader, logLength, &returnedLogLength, log.get()); |
| if (!returnedLogLength) |
| return WebKit::WebString(); |
| DCHECK_EQ(logLength, returnedLogLength + 1); |
| WebKit::WebString res = |
| WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
| return res; |
| } |
| |
| WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getString( |
| WGC3Denum name) { |
| return WebKit::WebString::fromUTF8( |
| reinterpret_cast<const char*>(gl_->GetString(name))); |
| } |
| |
| DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, |
| WGC3Denum, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv, |
| WGC3Denum, WGC3Denum, WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*) |
| |
| DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation, |
| WebGLId, const WGC3Dchar*, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv, |
| WGC3Duint, WGC3Denum, WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv, |
| WGC3Duint, WGC3Denum, WGC3Dint*) |
| |
| WGC3Dsizeiptr WebGraphicsContext3DCommandBufferImpl::getVertexAttribOffset( |
| WGC3Duint index, WGC3Denum pname) { |
| GLvoid* value = NULL; |
| // NOTE: If pname is ever a value that returns more then 1 element |
| // this will corrupt memory. |
| gl_->GetVertexAttribPointerv(index, pname, &value); |
| return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value)); |
| } |
| |
| DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId) |
| |
| DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint) |
| |
| DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_7(readPixels, ReadPixels, |
| WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum, |
| WGC3Denum, void*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::releaseShaderCompiler() { |
| } |
| |
| DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage, |
| WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei) |
| |
| DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean) |
| |
| DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
| |
| void WebGraphicsContext3DCommandBufferImpl::shaderSource( |
| WebGLId shader, const WGC3Dchar* string) { |
| GLint length = strlen(string); |
| gl_->ShaderSource(shader, 1, &string, &length); |
| } |
| |
| DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint) |
| |
| DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate, |
| WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint) |
| |
| DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint) |
| |
| DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate, |
| WGC3Denum, WGC3Duint) |
| |
| DELEGATE_TO_GL_3(stencilOp, StencilOp, |
| WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate, |
| WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
| |
| DELEGATE_TO_GL_9(texImage2D, TexImage2D, |
| WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, |
| WGC3Dint, WGC3Denum, WGC3Denum, const void*) |
| |
| DELEGATE_TO_GL_3(texParameterf, TexParameterf, |
| WGC3Denum, WGC3Denum, WGC3Dfloat); |
| |
| static const unsigned int kTextureWrapR = 0x8072; |
| |
| void WebGraphicsContext3DCommandBufferImpl::texParameteri( |
| WGC3Denum target, WGC3Denum pname, WGC3Dint param) { |
| // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in |
| // GraphicsContext3D.cpp is strictly necessary to avoid seams at the |
| // edge of cube maps, and, if it is, push it into the GLES2 service |
| // side code. |
| if (pname == kTextureWrapR) { |
| return; |
| } |
| gl_->TexParameteri(target, pname, param); |
| } |
| |
| DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, |
| WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) |
| |
| DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint, |
| WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
| |
| DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv, |
| WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId) |
| |
| DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId) |
| |
| DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint, |
| WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
| |
| DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint, |
| const WGC3Dfloat*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::vertexAttribPointer( |
| WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, |
| WGC3Dsizei stride, WGC3Dintptr offset) { |
| gl_->VertexAttribPointer( |
| index, size, type, normalized, stride, |
| reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
| } |
| |
| DELEGATE_TO_GL_4(viewport, Viewport, |
| WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createBuffer() { |
| GLuint o; |
| gl_->GenBuffers(1, &o); |
| return o; |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() { |
| GLuint o = 0; |
| gl_->GenFramebuffers(1, &o); |
| return o; |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createProgram() { |
| return gl_->CreateProgram(); |
| } |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() { |
| GLuint o; |
| gl_->GenRenderbuffers(1, &o); |
| return o; |
| } |
| |
| DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId); |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() { |
| GLuint o; |
| gl_->GenTextures(1, &o); |
| return o; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) { |
| gl_->DeleteBuffers(1, &buffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer( |
| WebGLId framebuffer) { |
| gl_->DeleteFramebuffers(1, &framebuffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteProgram(WebGLId program) { |
| gl_->DeleteProgram(program); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer( |
| WebGLId renderbuffer) { |
| gl_->DeleteRenderbuffers(1, &renderbuffer); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteShader(WebGLId shader) { |
| gl_->DeleteShader(shader); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) { |
| gl_->DeleteTextures(1, &texture); |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::ShouldUseSwapClient() { |
| return factory_ && factory_->IsMainThread() && swap_client_.get(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffersComplete() { |
| typedef WebGraphicsContext3DSwapBuffersClient WGC3DSwapClient; |
| // This may be called after tear-down of the RenderView. |
| if (ShouldUseSwapClient()) { |
| base::MessageLoop::current()->PostTask( |
| FROM_HERE, |
| base::Bind(&WGC3DSwapClient::OnViewContextSwapBuffersComplete, |
| swap_client_)); |
| } |
| |
| if (swapbuffers_complete_callback_) |
| swapbuffers_complete_callback_->onSwapBuffersComplete(); |
| } |
| |
| WebGraphicsMemoryAllocation::PriorityCutoff |
| WebGraphicsContext3DCommandBufferImpl::WebkitPriorityCutoff( |
| GpuMemoryAllocationForRenderer::PriorityCutoff priorityCutoff) { |
| switch (priorityCutoff) { |
| case GpuMemoryAllocationForRenderer::kPriorityCutoffAllowNothing: |
| return WebGraphicsMemoryAllocation::PriorityCutoffAllowNothing; |
| case GpuMemoryAllocationForRenderer::kPriorityCutoffAllowOnlyRequired: |
| return WebGraphicsMemoryAllocation::PriorityCutoffAllowVisibleOnly; |
| case GpuMemoryAllocationForRenderer::kPriorityCutoffAllowNiceToHave: |
| return WebGraphicsMemoryAllocation::PriorityCutoffAllowVisibleAndNearby; |
| case GpuMemoryAllocationForRenderer::kPriorityCutoffAllowEverything: |
| return WebGraphicsMemoryAllocation::PriorityCutoffAllowEverything; |
| } |
| NOTREACHED(); |
| return WebGraphicsMemoryAllocation::PriorityCutoffAllowEverything; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnMemoryAllocationChanged( |
| WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback, |
| const GpuMemoryAllocationForRenderer& allocation) { |
| |
| // Convert the gpu structure to the WebKit structure. |
| WebGraphicsMemoryAllocation web_allocation; |
| web_allocation.bytesLimitWhenVisible = |
| ClampUint64ToSizeT(allocation.bytes_limit_when_visible); |
| web_allocation.priorityCutoffWhenVisible = |
| WebkitPriorityCutoff(allocation.priority_cutoff_when_visible); |
| web_allocation.bytesLimitWhenNotVisible = |
| ClampUint64ToSizeT(allocation.bytes_limit_when_not_visible); |
| web_allocation.priorityCutoffWhenNotVisible = |
| WebkitPriorityCutoff(allocation.priority_cutoff_when_not_visible); |
| web_allocation.haveBackbufferWhenNotVisible = |
| allocation.have_backbuffer_when_not_visible; |
| web_allocation.enforceButDoNotKeepAsPolicy = |
| allocation.enforce_but_do_not_keep_as_policy; |
| |
| // Populate deprecated WebKit fields. These may be removed when references to |
| // them in WebKit are removed. |
| web_allocation.gpuResourceSizeInBytes = |
| ClampUint64ToSizeT(allocation.bytes_limit_when_visible); |
| web_allocation.suggestHaveBackbuffer = |
| allocation.have_backbuffer_when_not_visible; |
| |
| if (callback) |
| callback->onMemoryAllocationChanged(web_allocation); |
| |
| // We may have allocated transfer buffers in order to free GL resources in a |
| // backgrounded tab. Re-free the transfer buffers. |
| if (!visible_) |
| real_gl_->FreeEverything(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::setErrorMessageCallback( |
| WebGraphicsContext3D::WebGraphicsErrorMessageCallback* cb) { |
| error_message_callback_ = cb; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::setContextLostCallback( |
| WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) { |
| context_lost_callback_ = cb; |
| } |
| |
| WGC3Denum WebGraphicsContext3DCommandBufferImpl::getGraphicsResetStatusARB() { |
| if (IsCommandBufferContextLost() && |
| context_lost_reason_ == GL_NO_ERROR) { |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| return context_lost_reason_; |
| } |
| |
| bool WebGraphicsContext3DCommandBufferImpl::IsCommandBufferContextLost() { |
| // If the channel shut down unexpectedly, let that supersede the |
| // command buffer's state. |
| if (host_ && host_->state() == GpuChannelHost::kLost) |
| return true; |
| gpu::CommandBuffer::State state = command_buffer_->GetLastState(); |
| return state.error == gpu::error::kLostContext; |
| } |
| |
| // static |
| WebGraphicsContext3DCommandBufferImpl* |
| WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext( |
| GpuChannelHostFactory* factory, |
| const WebGraphicsContext3D::Attributes& attributes, |
| const GURL& active_url) { |
| if (!factory) |
| return NULL; |
| base::WeakPtr<WebGraphicsContext3DSwapBuffersClient> null_client; |
| scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context( |
| new WebGraphicsContext3DCommandBufferImpl( |
| 0, active_url, factory, null_client)); |
| CauseForGpuLaunch cause = |
| CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE; |
| if (context->Initialize(attributes, false, cause)) |
| return context.release(); |
| return NULL; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl:: |
| setSwapBuffersCompleteCallbackCHROMIUM( |
| WebGraphicsContext3D::WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* cb) { |
| swapbuffers_complete_callback_ = cb; |
| } |
| |
| DELEGATE_TO_GL_5(texImageIOSurface2DCHROMIUM, TexImageIOSurface2DCHROMIUM, |
| WGC3Denum, WGC3Dint, WGC3Dint, WGC3Duint, WGC3Duint) |
| |
| DELEGATE_TO_GL_5(texStorage2DEXT, TexStorage2DEXT, |
| WGC3Denum, WGC3Dint, WGC3Duint, WGC3Dint, WGC3Dint) |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createQueryEXT() { |
| GLuint o; |
| gl_->GenQueriesEXT(1, &o); |
| return o; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteQueryEXT( |
| WebGLId query) { |
| gl_->DeleteQueriesEXT(1, &query); |
| } |
| |
| DELEGATE_TO_GL_1R(isQueryEXT, IsQueryEXT, WebGLId, WGC3Dboolean) |
| DELEGATE_TO_GL_2(beginQueryEXT, BeginQueryEXT, WGC3Denum, WebGLId) |
| DELEGATE_TO_GL_1(endQueryEXT, EndQueryEXT, WGC3Denum) |
| DELEGATE_TO_GL_3(getQueryivEXT, GetQueryivEXT, WGC3Denum, WGC3Denum, WGC3Dint*) |
| DELEGATE_TO_GL_3(getQueryObjectuivEXT, GetQueryObjectuivEXT, |
| WebGLId, WGC3Denum, WGC3Duint*) |
| |
| DELEGATE_TO_GL_6(copyTextureCHROMIUM, CopyTextureCHROMIUM, WGC3Denum, |
| WebGLId, WebGLId, WGC3Dint, WGC3Denum, WGC3Denum); |
| |
| DELEGATE_TO_GL_3(bindUniformLocationCHROMIUM, BindUniformLocationCHROMIUM, |
| WebGLId, WGC3Dint, const WGC3Dchar*) |
| |
| DELEGATE_TO_GL(shallowFlushCHROMIUM,ShallowFlushCHROMIUM); |
| |
| DELEGATE_TO_GL_1(waitSyncPoint, WaitSyncPointCHROMIUM, GLuint) |
| |
| static void SignalSyncPointCallback( |
| scoped_ptr< |
| WebKit::WebGraphicsContext3D::WebGraphicsSyncPointCallback> callback) { |
| callback->onSyncPointReached(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::signalSyncPoint( |
| unsigned sync_point, |
| WebGraphicsSyncPointCallback* callback) { |
| // Take ownership of the callback. |
| scoped_ptr<WebGraphicsSyncPointCallback> own_callback(callback); |
| command_buffer_->SignalSyncPoint( |
| sync_point, |
| base::Bind(&SignalSyncPointCallback, base::Passed(&own_callback))); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::genMailboxCHROMIUM( |
| WGC3Dbyte* name) { |
| std::vector<gpu::Mailbox> names(1); |
| if (command_buffer_->GenerateMailboxNames(1, &names)) |
| memcpy(name, names[0].name, GL_MAILBOX_SIZE_CHROMIUM); |
| else |
| synthesizeGLError(GL_OUT_OF_MEMORY); |
| } |
| |
| DELEGATE_TO_GL_2(produceTextureCHROMIUM, ProduceTextureCHROMIUM, |
| WGC3Denum, const WGC3Dbyte*) |
| DELEGATE_TO_GL_2(consumeTextureCHROMIUM, ConsumeTextureCHROMIUM, |
| WGC3Denum, const WGC3Dbyte*) |
| |
| void WebGraphicsContext3DCommandBufferImpl::insertEventMarkerEXT( |
| const WGC3Dchar* marker) { |
| gl_->InsertEventMarkerEXT(0, marker); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::pushGroupMarkerEXT( |
| const WGC3Dchar* marker) { |
| gl_->PushGroupMarkerEXT(0, marker); |
| } |
| |
| DELEGATE_TO_GL(popGroupMarkerEXT, PopGroupMarkerEXT); |
| |
| WebGLId WebGraphicsContext3DCommandBufferImpl::createVertexArrayOES() { |
| GLuint array; |
| gl_->GenVertexArraysOES(1, &array); |
| return array; |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::deleteVertexArrayOES( |
| WebGLId array) { |
| gl_->DeleteVertexArraysOES(1, &array); |
| } |
| |
| DELEGATE_TO_GL_1R(isVertexArrayOES, IsVertexArrayOES, WebGLId, WGC3Dboolean) |
| DELEGATE_TO_GL_1(bindVertexArrayOES, BindVertexArrayOES, WebGLId) |
| |
| DELEGATE_TO_GL_2(bindTexImage2DCHROMIUM, BindTexImage2DCHROMIUM, |
| WGC3Denum, WGC3Dint) |
| DELEGATE_TO_GL_2(releaseTexImage2DCHROMIUM, ReleaseTexImage2DCHROMIUM, |
| WGC3Denum, WGC3Dint) |
| |
| void* WebGraphicsContext3DCommandBufferImpl::mapBufferCHROMIUM( |
| WGC3Denum target, WGC3Denum access) { |
| return gl_->MapBufferCHROMIUM(target, access); |
| } |
| |
| WGC3Dboolean WebGraphicsContext3DCommandBufferImpl::unmapBufferCHROMIUM( |
| WGC3Denum target) { |
| return gl_->UnmapBufferCHROMIUM(target); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::asyncTexImage2DCHROMIUM( |
| WGC3Denum target, |
| WGC3Dint level, |
| WGC3Denum internalformat, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Dint border, |
| WGC3Denum format, |
| WGC3Denum type, |
| const void* pixels) { |
| return gl_->AsyncTexImage2DCHROMIUM( |
| target, level, internalformat, |
| width, height, border, format, type, pixels); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::asyncTexSubImage2DCHROMIUM( |
| WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| const void *pixels) { |
| return gl_->AsyncTexSubImage2DCHROMIUM( |
| target, level, xoffset, yoffset, |
| width, height, format, type, pixels); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::waitAsyncTexImage2DCHROMIUM( |
| WGC3Denum target) { |
| return gl_->WaitAsyncTexImage2DCHROMIUM(target); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::drawBuffersEXT( |
| WGC3Dsizei n, |
| const WGC3Denum* bufs) { |
| gl_->DrawBuffersEXT(n, bufs); |
| } |
| |
| GrGLInterface* WebGraphicsContext3DCommandBufferImpl::onCreateGrGLInterface() { |
| return webkit::gpu::CreateCommandBufferSkiaGLBinding(); |
| } |
| |
| namespace { |
| |
| WGC3Denum convertReason(gpu::error::ContextLostReason reason) { |
| switch (reason) { |
| case gpu::error::kGuilty: |
| return GL_GUILTY_CONTEXT_RESET_ARB; |
| case gpu::error::kInnocent: |
| return GL_INNOCENT_CONTEXT_RESET_ARB; |
| case gpu::error::kUnknown: |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| NOTREACHED(); |
| return GL_UNKNOWN_CONTEXT_RESET_ARB; |
| } |
| |
| } // anonymous namespace |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnContextLost() { |
| context_lost_reason_ = convertReason( |
| command_buffer_->GetLastState().context_lost_reason); |
| if (context_lost_callback_) { |
| context_lost_callback_->onContextLost(); |
| } |
| if (attributes_.shareResources) |
| ClearSharedContextsIfInShareSet(this); |
| if (ShouldUseSwapClient()) |
| swap_client_->OnViewContextSwapBuffersAborted(); |
| } |
| |
| void WebGraphicsContext3DCommandBufferImpl::OnErrorMessage( |
| const std::string& message, int id) { |
| if (error_message_callback_) { |
| WebKit::WebString str = WebKit::WebString::fromUTF8(message.c_str()); |
| error_message_callback_->onErrorMessage(str, id); |
| } |
| } |
| |
| } // namespace content |