michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "GLManager.h"
michael@0: #include "CompositorOGL.h"              // for CompositorOGL
michael@0: #include "GLContext.h"                  // for GLContext
michael@0: #include "mozilla/Assertions.h"         // for MOZ_CRASH
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/RefPtr.h"             // for RefPtr
michael@0: #include "mozilla/layers/Compositor.h"  // for Compositor
michael@0: #include "mozilla/layers/LayerManagerComposite.h"
michael@0: #include "mozilla/layers/LayersTypes.h"
michael@0: #include "mozilla/mozalloc.h"           // for operator new, etc
michael@0: #include "nsAutoPtr.h"                  // for nsRefPtr
michael@0: 
michael@0: using namespace mozilla::gl;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class GLManagerCompositor : public GLManager
michael@0: {
michael@0: public:
michael@0:   GLManagerCompositor(CompositorOGL* aCompositor)
michael@0:     : mImpl(aCompositor)
michael@0:   {}
michael@0: 
michael@0:   virtual GLContext* gl() const MOZ_OVERRIDE
michael@0:   {
michael@0:     return mImpl->gl();
michael@0:   }
michael@0: 
michael@0:   virtual ShaderProgramOGL* GetProgram(GLenum aTarget, gfx::SurfaceFormat aFormat) MOZ_OVERRIDE
michael@0:   {
michael@0:     ShaderConfigOGL config = ShaderConfigFromTargetAndFormat(aTarget, aFormat);
michael@0:     return mImpl->GetShaderProgramFor(config);
michael@0:   }
michael@0: 
michael@0:   virtual const gfx::Matrix4x4& GetProjMatrix() const MOZ_OVERRIDE
michael@0:   {
michael@0:     return mImpl->GetProjMatrix();
michael@0:   }
michael@0: 
michael@0:   virtual void BindAndDrawQuad(ShaderProgramOGL *aProg) MOZ_OVERRIDE
michael@0:   {
michael@0:     mImpl->BindAndDrawQuad(aProg);
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   RefPtr<CompositorOGL> mImpl;
michael@0: };
michael@0: 
michael@0: /* static */ GLManager*
michael@0: GLManager::CreateGLManager(LayerManagerComposite* aManager)
michael@0: {
michael@0:   if (aManager &&
michael@0:       Compositor::GetBackend() == LayersBackend::LAYERS_OPENGL) {
michael@0:     return new GLManagerCompositor(static_cast<CompositorOGL*>(
michael@0:       aManager->GetCompositor()));
michael@0:   }
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: }
michael@0: }