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// Copyright 2018 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_DELEGATE_H_
#define GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_DELEGATE_H_
#include <stddef.h>
#include <stdint.h>
#include "base/memory/weak_ptr.h"
#include "gpu/gpu_gles2_export.h"
namespace gpu {
class QueryManager;
namespace gles2 {
struct ContextState;
} // namespace gles2
class GPU_GLES2_EXPORT GLContextVirtualDelegate {
public:
GLContextVirtualDelegate() = default;
virtual ~GLContextVirtualDelegate() = default;
virtual bool initialized() const = 0;
virtual const gles2::ContextState* GetContextState() = 0;
// Restores all of the decoder GL state.
virtual void RestoreState(const gles2::ContextState* prev_state) = 0;
// Restore States.
virtual void RestoreGlobalState() const = 0;
virtual void ClearAllAttributes() const = 0;
virtual void RestoreActiveTexture() const = 0;
virtual void RestoreAllTextureUnitAndSamplerBindings(
const gles2::ContextState* prev_state) const = 0;
virtual void RestoreActiveTextureUnitBinding(unsigned int target) const = 0;
virtual void RestoreBufferBinding(unsigned int target) = 0;
virtual void RestoreBufferBindings() const = 0;
virtual void RestoreFramebufferBindings() const = 0;
virtual void RestoreRenderbufferBindings() = 0;
virtual void RestoreProgramBindings() const = 0;
virtual void RestoreTextureUnitBindings(unsigned unit) const = 0;
virtual void RestoreVertexAttribArray(unsigned index) = 0;
virtual void RestoreAllExternalTextureBindingsIfNeeded() = 0;
virtual QueryManager* GetQueryManager() = 0;
};
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GL_CONTEXT_VIRTUAL_DELEGATE_H_
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