// 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_ #pragma once #include "ui/gl/gl_context.h" namespace gfx { class GLSurface; // Encapsulates a CGL OpenGL context. class GLContextCGL : public GLContext { public: explicit GLContextCGL(GLShareGroup* share_group); // Implement GLContext. virtual bool Initialize(GLSurface* compatible_surface, GpuPreference gpu_preference) OVERRIDE; virtual void Destroy() OVERRIDE; virtual bool MakeCurrent(GLSurface* surface) OVERRIDE; virtual void ReleaseCurrent(GLSurface* surface) OVERRIDE; virtual bool IsCurrent(GLSurface* surface) OVERRIDE; virtual void* GetHandle() OVERRIDE; virtual void SetSwapInterval(int interval) OVERRIDE; protected: virtual ~GLContextCGL(); private: // Expose ForceUseOfDiscreteGPU only to GLContext implementation. friend class GLContext; GpuPreference GetGpuPreference(); // Helper for dual-GPU support on systems where this is necessary // for stability reasons. static void ForceUseOfDiscreteGPU(); void* context_; GpuPreference gpu_preference_; DISALLOW_COPY_AND_ASSIGN(GLContextCGL); }; } // namespace gfx #endif // UI_GL_GL_CONTEXT_CGL_H_