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gl_context_cgl.h
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gl_context_cgl.h
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// 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.
#ifndef UI_GL_GL_CONTEXT_CGL_H_
#define UI_GL_GL_CONTEXT_CGL_H_
#include <OpenGL/CGLTypes.h>
#include <map>
#include <memory>
#include "base/macros.h"
#include "ui/gfx/color_space.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_export.h"
namespace gl {
class GLSurface;
// Encapsulates a CGL OpenGL context.
class GL_EXPORT GLContextCGL : public GLContextReal {
public:
explicit GLContextCGL(GLShareGroup* share_group);
// Implement GLContext.
bool Initialize(GLSurface* compatible_surface,
const GLContextAttribs& attribs) override;
bool MakeCurrent(GLSurface* surface) override;
void ReleaseCurrent(GLSurface* surface) override;
bool IsCurrent(GLSurface* surface) override;
void* GetHandle() override;
void OnSetSwapInterval(int interval) override;
void SetSafeToForceGpuSwitch() override;
bool ForceGpuSwitchIfNeeded() override;
YUVToRGBConverter* GetYUVToRGBConverter(
const gfx::ColorSpace& color_space) override;
protected:
~GLContextCGL() override;
private:
void Destroy();
GpuPreference GetGpuPreference();
void* context_;
GpuPreference gpu_preference_;
std::map<gfx::ColorSpace, std::unique_ptr<YUVToRGBConverter>>
yuv_to_rgb_converters_;
CGLPixelFormatObj discrete_pixelformat_;
int screen_;
int renderer_id_;
bool safe_to_force_gpu_switch_;
DISALLOW_COPY_AND_ASSIGN(GLContextCGL);
};
} // namespace gl
#endif // UI_GL_GL_CONTEXT_CGL_H_