ui/gl/gl_context_egl.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_EGL_H_
   6 #define UI_GL_GL_CONTEXT_EGL_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "ui/gl/gl_context.h"
  12
  13 typedef void* EGLContext;
  14 typedef void* EGLDisplay;
  15 typedef void* EGLConfig;
  16
  17 namespace gfx {
  18
  19 class GLSurface;
  20
  21 // Encapsulates an EGL OpenGL ES context.
  22 class GLContextEGL : public GLContextReal {
  23  public:
  24   explicit GLContextEGL(GLShareGroup* share_group);
  25
  26   // Implement GLContext.
  27   bool Initialize(GLSurface* compatible_surface,
  28                   GpuPreference gpu_preference) override;
  29   bool MakeCurrent(GLSurface* surface) override;
  30   void ReleaseCurrent(GLSurface* surface) override;
  31   bool IsCurrent(GLSurface* surface) override;
  32   void* GetHandle() override;
  33   void OnSetSwapInterval(int interval) override;
  34   std::string GetExtensions() override;
  35   bool WasAllocatedUsingRobustnessExtension() override;
  36   bool GetTotalGpuMemory(size_t* bytes) override;
  37   void SetUnbindFboOnMakeCurrent() override;
  38
  39  protected:
  40   ~GLContextEGL() override;
  41
  42  private:
  43   void Destroy();
  44
  45   EGLContext context_;
  46   EGLDisplay display_;
  47   EGLConfig config_;
  48   bool unbind_fbo_on_makecurrent_;
  49   int swap_interval_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(GLContextEGL);
  52 };
  53
  54 }  // namespace gfx
  55
  56 #endif  // UI_GL_GL_CONTEXT_EGL_H_