| // 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. |
| |
| // This file contains the GLStateRestorerImpl class. |
| |
| #ifndef GPU_COMMAND_BUFFER_SERVICE_GL_STATE_RESTORER_IMPL_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_GL_STATE_RESTORER_IMPL_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/weak_ptr.h" |
| #include "gpu/gpu_export.h" |
| #include "ui/gl/gl_state_restorer.h" |
| |
| namespace gpu { |
| namespace gles2 { |
| class GLES2Decoder; |
| struct ContextState; |
| } |
| |
| // This class implements a GLStateRestorer that forwards to a GLES2Decoder. |
| class GPU_EXPORT GLStateRestorerImpl : public gfx::GLStateRestorer { |
| public: |
| explicit GLStateRestorerImpl(base::WeakPtr<gles2::GLES2Decoder> decoder); |
| ~GLStateRestorerImpl() override; |
| |
| bool IsInitialized() override; |
| void RestoreState(const gfx::GLStateRestorer* prev_state) override; |
| void RestoreAllTextureUnitBindings() override; |
| void RestoreActiveTextureUnitBinding(unsigned int target) override; |
| void RestoreFramebufferBindings() override; |
| |
| private: |
| const gles2::ContextState* GetContextState() const; |
| base::WeakPtr<gles2::GLES2Decoder> decoder_; |
| |
| DISALLOW_COPY_AND_ASSIGN(GLStateRestorerImpl); |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_GL_STATE_RESTORER_IMPL_H_ |