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// Copyright (c) 2013 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.
#ifndef UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
#define UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/observer_list.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread_checker.h"
#include "components/viz/common/gpu/context_lost_observer.h"
#include "components/viz/common/gpu/context_provider.h"
#include "components/viz/common/gpu/raster_context_provider.h"
#include "gpu/command_buffer/common/context_creation_attribs.h"
#include "gpu/ipc/common/surface_handle.h"
#include "ui/gfx/native_widget_types.h"
namespace gpu {
class GLInProcessContext;
class GpuMemoryBufferManager;
class ImageFactory;
}
namespace skia_bindings {
class GrContextForGLES2Interface;
}
namespace ui {
class InProcessContextProvider
: public base::RefCountedThreadSafe<InProcessContextProvider>,
public viz::ContextProvider,
public viz::RasterContextProvider {
public:
static scoped_refptr<InProcessContextProvider> Create(
const gpu::ContextCreationAttribs& attribs,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
gpu::ImageFactory* image_factory,
gpu::SurfaceHandle window,
const std::string& debug_name,
bool support_locking);
// Uses default attributes for creating an offscreen context.
static scoped_refptr<InProcessContextProvider> CreateOffscreen(
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
gpu::ImageFactory* image_factory,
bool support_locking);
// viz::ContextProvider / viz::RasterContextProvider implementation.
void AddRef() const override;
void Release() const override;
gpu::ContextResult BindToCurrentThread() override;
const gpu::Capabilities& ContextCapabilities() const override;
const gpu::GpuFeatureInfo& GetGpuFeatureInfo() const override;
gpu::gles2::GLES2Interface* ContextGL() override;
gpu::raster::RasterInterface* RasterInterface() override;
gpu::ContextSupport* ContextSupport() override;
class GrDirectContext* GrContext() override;
gpu::SharedImageInterface* SharedImageInterface() override;
viz::ContextCacheController* CacheController() override;
base::Lock* GetLock() override;
void AddObserver(viz::ContextLostObserver* obs) override;
void RemoveObserver(viz::ContextLostObserver* obs) override;
// Gives the GL internal format that should be used for calling CopyTexImage2D
// on the default framebuffer.
uint32_t GetCopyTextureInternalFormat();
// Calls OnContextLost() on all observers. This doesn't modify the context.
void SendOnContextLost();
private:
friend class base::RefCountedThreadSafe<InProcessContextProvider>;
InProcessContextProvider(
const gpu::ContextCreationAttribs& attribs,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
gpu::ImageFactory* image_factory,
gpu::SurfaceHandle window,
const std::string& debug_name,
bool support_locking);
~InProcessContextProvider() override;
void CheckValidThreadOrLockAcquired() const {
#if DCHECK_IS_ON()
if (support_locking_) {
context_lock_.AssertAcquired();
} else {
DCHECK(context_thread_checker_.CalledOnValidThread());
}
#endif
}
base::ThreadChecker main_thread_checker_;
base::ThreadChecker context_thread_checker_;
std::unique_ptr<gpu::GLInProcessContext> context_;
std::unique_ptr<skia_bindings::GrContextForGLES2Interface> gr_context_;
std::unique_ptr<gpu::raster::RasterInterface> raster_context_;
std::unique_ptr<viz::ContextCacheController> cache_controller_;
const bool support_locking_ ALLOW_UNUSED_TYPE;
bool bind_tried_ = false;
gpu::ContextResult bind_result_;
gpu::ContextCreationAttribs attribs_;
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_;
gpu::ImageFactory* image_factory_;
gpu::SurfaceHandle window_;
std::string debug_name_;
base::Lock context_lock_;
base::ObserverList<viz::ContextLostObserver>::Unchecked observers_;
DISALLOW_COPY_AND_ASSIGN(InProcessContextProvider);
};
} // namespace ui
#endif // UI_COMPOSITOR_TEST_IN_PROCESS_CONTEXT_PROVIDER_H_