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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
#define GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "gpu/gpu_gles2_export.h"
#include "ui/gl/gl_context.h"
namespace gl {
class GPUTimingClient;
class GLShareGroup;
class GLSurface;
}
namespace gpu {
class GLContextVirtualDelegate;
// Encapsulates a virtual OpenGL context.
class GPU_GLES2_EXPORT GLContextVirtual : public gl::GLContext {
public:
GLContextVirtual(gl::GLShareGroup* share_group,
gl::GLContext* shared_context,
base::WeakPtr<GLContextVirtualDelegate> delegate);
GLContextVirtual(const GLContextVirtual&) = delete;
GLContextVirtual& operator=(const GLContextVirtual&) = delete;
// Implement GLContext.
bool InitializeImpl(gl::GLSurface* compatible_surface,
const gl::GLContextAttribs& attribs) override;
bool MakeCurrentImpl(gl::GLSurface* surface) override;
void ReleaseCurrent(gl::GLSurface* surface) override;
bool IsCurrent(gl::GLSurface* surface) override;
void* GetHandle() override;
scoped_refptr<gl::GPUTimingClient> CreateGPUTimingClient() override;
std::string GetGLVersion() override;
std::string GetGLRenderer() override;
const gfx::ExtensionSet& GetExtensions() override;
void SetSafeToForceGpuSwitch() override;
unsigned int CheckStickyGraphicsResetStatusImpl() override;
void SetUnbindFboOnMakeCurrent() override;
void ForceReleaseVirtuallyCurrent() override;
#if BUILDFLAG(IS_APPLE)
void AddMetalSharedEventsForBackpressure(
std::vector<std::unique_ptr<BackpressureMetalSharedEvent>> events)
override;
uint64_t BackpressureFenceCreate() override;
void BackpressureFenceWait(uint64_t fence) override;
#endif
#if BUILDFLAG(IS_MAC)
void FlushForDriverCrashWorkaround() override;
#endif
gl::GLDisplayEGL* GetGLDisplayEGL() override;
protected:
~GLContextVirtual() override;
void ResetExtensions() override;
private:
void Destroy();
scoped_refptr<gl::GLContext> shared_context_;
base::WeakPtr<GLContextVirtualDelegate> delegate_;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_H_
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