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_SURFACE_CGL_H_ 6 #define UI_GL_GL_SURFACE_CGL_H_ 7 8 #include "ui/gfx/size.h" 9 #include "ui/gl/gl_surface.h" 10 11 namespace gfx { 12 13 // Base class for CGL surfaces. 14 class GLSurfaceCGL : public GLSurface { 15 public: 16 GLSurfaceCGL(); 17 18 static bool InitializeOneOff(); 19 static void* GetPixelFormat(); 20 21 protected: 22 virtual ~GLSurfaceCGL(); 23 24 private: 25 DISALLOW_COPY_AND_ASSIGN(GLSurfaceCGL); 26 }; 27 28 // A "no-op" surface. It is not required that a CGLContextObj have an 29 // associated drawable (pbuffer or fullscreen context) in order to be 30 // made current. Everywhere this surface type is used, we allocate an 31 // FBO at the user level as the drawable of the associated context. 32 class GL_EXPORT NoOpGLSurfaceCGL : public GLSurfaceCGL { 33 public: 34 explicit NoOpGLSurfaceCGL(const gfx::Size& size); 35 36 // Implement GLSurface. 37 virtual bool Initialize() OVERRIDE; 38 virtual void Destroy() OVERRIDE; 39 virtual bool IsOffscreen() OVERRIDE; 40 virtual bool SwapBuffers() OVERRIDE; 41 virtual gfx::Size GetSize() OVERRIDE; 42 virtual void* GetHandle() OVERRIDE; 43 virtual void* GetDisplay() OVERRIDE; 44 45 protected: 46 virtual ~NoOpGLSurfaceCGL(); 47 48 private: 49 gfx::Size size_; 50 51 DISALLOW_COPY_AND_ASSIGN(NoOpGLSurfaceCGL); 52 }; 53 54 } // namespace gfx 55 56 #endif // UI_GL_GL_SURFACE_CGL_H_ 57
