gfx/gl/GLContextEAGL.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef GLCONTEXTEAGL_H_
   8 #define GLCONTEXTEAGL_H_
   9
  10 #include "GLContext.h"
  11
  12 #include <CoreGraphics/CoreGraphics.h>
  13 #ifdef __OBJC__
  14 #  include <OpenGLES/EAGL.h>
  15 #else
  16 typedef void EAGLContext;
  17 #endif
  18
  19 namespace mozilla {
  20 namespace gl {
  21
  22 class GLContextEAGL : public GLContext {
  23   friend class GLContextProviderEAGL;
  24
  25   EAGLContext* const mContext;
  26
  27  public:
  28   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEAGL, override)
  29   GLContextEAGL(const GLContextDesc&, EAGLContext* context,
  30                 GLContext* sharedContext);
  31
  32   ~GLContextEAGL();
  33
  34   virtual GLContextType GetContextType() const override {
  35     return GLContextType::EAGL;
  36   }
  37
  38   static GLContextEAGL* Cast(GLContext* gl) {
  39     MOZ_ASSERT(gl->GetContextType() == GLContextType::EAGL);
  40     return static_cast<GLContextEAGL*>(gl);
  41   }
  42
  43   EAGLContext* GetEAGLContext() const { return mContext; }
  44
  45   virtual bool MakeCurrentImpl() const override;
  46
  47   virtual bool IsCurrentImpl() const override;
  48
  49   Maybe<SymbolLoader> GetSymbolLoader() const override;
  50
  51   virtual bool IsDoubleBuffered() const override;
  52
  53   virtual bool SwapBuffers() override;
  54
  55   virtual void GetWSIInfo(nsCString* const out) const override;
  56
  57   virtual GLuint GetDefaultFramebuffer() override { return mBackbufferFB; }
  58
  59  private:
  60   GLuint mBackbufferRB = 0;
  61   GLuint mBackbufferFB = 0;
  62 };
  63
  64 }  // namespace gl
  65 }  // namespace mozilla
  66
  67 #endif  // GLCONTEXTEAGL_H_