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The Tor Browser
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GLContextEAGL.h (1716B)


      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_