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-rw-r--r--gfx/layers/opengl/GLManager.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/layers/opengl/GLManager.cpp b/gfx/layers/opengl/GLManager.cpp
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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