ui/gl/gl_context_cgl.h

   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_