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