GLManager.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_GFX_GLMANAGER_H
   7 #define MOZILLA_GFX_GLMANAGER_H
   8
   9 #include "mozilla/gfx/Types.h"          // for SurfaceFormat
  10 #include "LayerManagerOGLProgram.h"
  11
  12 namespace mozilla {
  13 namespace gl {
  14 class GLContext;
  15 }
  16
  17 namespace layers {
  18
  19 class LayerManager;
  20
  21 /**
  22  * Minimal interface to allow widgets to draw using OpenGL. Abstracts
  23  * LayerManagerOGL and CompositorOGL. Call CreateGLManager with either a
  24  * LayerManagerOGL or a LayerManagerComposite backed by a CompositorOGL.
  25  */
  26 class GLManager
  27 {
  28 public:
  29   static GLManager* CreateGLManager(LayerManager* aManager);
  30
  31   virtual ~GLManager() {}
  32
  33   virtual gl::GLContext* gl() const = 0;
  34   virtual ShaderProgramOGL* GetProgram(ShaderProgramType aType) = 0;
  35   virtual void BindAndDrawQuad(ShaderProgramOGL *aProg) = 0;
  36
  37   ShaderProgramOGL* GetProgram(gfx::SurfaceFormat aFormat) {
  38     return GetProgram(ShaderProgramFromSurfaceFormat(aFormat));
  39   }
  40 };
  41
  42 }
  43 }
  44 #endif