1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_GL_GL_CONTEXT_CGL_H_ 6 #define UI_GL_GL_CONTEXT_CGL_H_ 7 8 #include <OpenGL/CGLTypes.h> 9 10 #include "ui/gl/gl_context.h" 11 12 namespace gfx { 13 14 class GLSurface; 15 16 // Encapsulates a CGL OpenGL context. 17 class GLContextCGL : public GLContextReal { 18 public: 19 explicit GLContextCGL(GLShareGroup* share_group); 20 21 // Implement GLContext. 22 virtual bool Initialize(GLSurface* compatible_surface, 23 GpuPreference gpu_preference) OVERRIDE; 24 virtual void Destroy() OVERRIDE; 25 virtual bool MakeCurrent(GLSurface* surface) OVERRIDE; 26 virtual void ReleaseCurrent(GLSurface* surface) OVERRIDE; 27 virtual bool IsCurrent(GLSurface* surface) OVERRIDE; 28 virtual void* GetHandle() OVERRIDE; 29 virtual void SetSwapInterval(int interval) OVERRIDE; 30 virtual bool GetTotalGpuMemory(size_t* bytes) OVERRIDE; 31 virtual void SetSafeToForceGpuSwitch() OVERRIDE; 32 33 protected: 34 virtual ~GLContextCGL(); 35 36 private: 37 GpuPreference GetGpuPreference(); 38 39 void* context_; 40 GpuPreference gpu_preference_; 41 42 CGLPixelFormatObj discrete_pixelformat_; 43 44 int screen_; 45 int renderer_id_; 46 bool safe_to_force_gpu_switch_; 47 48 DISALLOW_COPY_AND_ASSIGN(GLContextCGL); 49 }; 50 51 } // namespace gfx 52 53 #endif // UI_GL_GL_CONTEXT_CGL_H_ 54