blob: 7acb4b7ea9ee95a833a41caae2ef5aaeb8a47736 [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.
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include "base/memory/ref_counted.h"
#include "gpu/command_buffer/client/gpu_control.h"
#include "gpu/command_buffer/common/context_creation_attribs.h"
#include "gpu/command_buffer/service/feature_info.h"
#include "gpu/command_buffer/service/gpu_preferences.h"
#include "gpu/command_buffer/service/gpu_tracer.h"
#include "gpu/command_buffer/service/image_manager.h"
#include "gpu/command_buffer/service/mailbox_manager_impl.h"
#include "gpu/command_buffer/service/service_discardable_manager.h"
#include "gpu/config/gpu_feature_info.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/gpu_memory_buffer.h"
namespace gl {
class GLContext;
class GLShareGroup;
class GLSurface;
namespace gpu {
class CommandBufferDirect;
class ImageFactory;
class MailboxManager;
class SyncPointManager;
class TransferBuffer;
namespace gles2 {
class GLES2CmdHelper;
class GLES2Implementation;
class GLManager : private GpuControl {
struct Options {
// The size of the backbuffer.
gfx::Size size = gfx::Size(4, 4);
// If not null will have a corresponding sync point manager.
SyncPointManager* sync_point_manager = nullptr;
// If not null will share resources with this context.
GLManager* share_group_manager = nullptr;
// If not null will share a mailbox manager with this context.
GLManager* share_mailbox_manager = nullptr;
// If not null will create a virtual manager based on this context.
GLManager* virtual_manager = nullptr;
// Whether or not glBindXXX generates a resource.
bool bind_generates_resource = false;
// Whether or not the context is auto-lost when GL_OUT_OF_MEMORY occurs.
bool lose_context_when_out_of_memory = false;
// Whether or not it's ok to lose the context.
bool context_lost_allowed = false;
ContextType context_type = CONTEXT_TYPE_OPENGLES2;
// Force shader name hashing for all context types.
bool force_shader_name_hashing = false;
// Whether the buffer is multisampled.
bool multisampled = false;
// Whether the backbuffer has an alpha channel.
bool backbuffer_alpha = true;
// The ImageFactory to use to generate images for the backbuffer.
gpu::ImageFactory* image_factory = nullptr;
// Whether to preserve the backbuffer after a call to SwapBuffers().
bool preserve_backbuffer = false;
~GLManager() override;
// GPU feature info computed for the platform.
// Each test needs to apply them, plus the specific settings a test wants
// to test.
static GpuFeatureInfo g_gpu_feature_info;
std::unique_ptr<gfx::GpuMemoryBuffer> CreateGpuMemoryBuffer(
const gfx::Size& size,
gfx::BufferFormat format);
void Initialize(const Options& options);
void InitializeWithWorkarounds(const Options& options,
const GpuDriverBugWorkarounds& workarounds);
void Destroy();
bool IsInitialized() const { return gles2_implementation() != nullptr; }
void MakeCurrent();
void SetSurface(gl::GLSurface* surface);
void PerformIdleWork();
void set_use_iosurface_memory_buffers(bool use_iosurface_memory_buffers) {
use_iosurface_memory_buffers_ = use_iosurface_memory_buffers;
void SetCommandsPaused(bool paused);
gles2::GLES2Decoder* decoder() const {
return decoder_.get();
MailboxManager* mailbox_manager() const { return mailbox_manager_; }
gl::GLShareGroup* share_group() const { return share_group_.get(); }
gles2::GLES2Implementation* gles2_implementation() const {
return gles2_implementation_.get();
gl::GLContext* context() { return context_.get(); }
const GpuDriverBugWorkarounds& workarounds() const;
const gpu::GpuPreferences& gpu_preferences() const {
return gpu_preferences_;
// GpuControl implementation.
void SetGpuControlClient(GpuControlClient*) override;
const Capabilities& GetCapabilities() const override;
int32_t CreateImage(ClientBuffer buffer,
size_t width,
size_t height,
unsigned internalformat) override;
void DestroyImage(int32_t id) override;
void SignalQuery(uint32_t query, const base::Closure& callback) override;
void CreateGpuFence(uint32_t gpu_fence_id, ClientGpuFence source) override;
void GetGpuFence(uint32_t gpu_fence_id,
callback) override;
void SetLock(base::Lock*) override;
void EnsureWorkVisible() override;
gpu::CommandBufferNamespace GetNamespaceID() const override;
CommandBufferId GetCommandBufferID() const override;
void FlushPendingWork() override;
uint64_t GenerateFenceSyncRelease() override;
bool IsFenceSyncReleased(uint64_t release) override;
void SignalSyncToken(const gpu::SyncToken& sync_token,
const base::Closure& callback) override;
void WaitSyncTokenHint(const gpu::SyncToken& sync_token) override;
bool CanWaitUnverifiedSyncToken(const gpu::SyncToken& sync_token) override;
void SetSnapshotRequested() override;
size_t GetSharedMemoryBytesAllocated() const;
ContextType GetContextType() const;
void SetupBaseContext();
void InitializeWithWorkaroundsImpl(
const Options& options,
const GpuDriverBugWorkarounds& workarounds);
gpu::GpuPreferences gpu_preferences_;
gles2::MailboxManagerImpl owned_mailbox_manager_;
gles2::TraceOutputter outputter_;
gles2::ImageManager image_manager_;
ServiceDiscardableManager discardable_manager_;
std::unique_ptr<gles2::ShaderTranslatorCache> translator_cache_;
gles2::FramebufferCompletenessCache completeness_cache_;
MailboxManager* mailbox_manager_ = nullptr;
scoped_refptr<gl::GLShareGroup> share_group_;
std::unique_ptr<CommandBufferDirect> command_buffer_;
std::unique_ptr<gles2::GLES2Decoder> decoder_;
scoped_refptr<gl::GLSurface> surface_;
scoped_refptr<gl::GLContext> context_;
std::unique_ptr<gles2::GLES2CmdHelper> gles2_helper_;
std::unique_ptr<TransferBuffer> transfer_buffer_;
std::unique_ptr<gles2::GLES2Implementation> gles2_implementation_;
uint64_t next_fence_sync_release_ = 1;
bool use_iosurface_memory_buffers_ = false;
Capabilities capabilities_;
// Used on Android to virtualize GL for all contexts.
static int use_count_;
static scoped_refptr<gl::GLShareGroup>* base_share_group_;
static scoped_refptr<gl::GLSurface>* base_surface_;
static scoped_refptr<gl::GLContext>* base_context_;
ContextType context_type_ = CONTEXT_TYPE_OPENGLES2;
} // namespace gpu