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 #include "GLManager.h"
8 #include "CompositorOGL.h" // for CompositorOGL
9 #include "GLContext.h" // for GLContext
10 #include "mozilla/Attributes.h" // for override
11 #include "mozilla/RefPtr.h" // for RefPtr
12 #include "mozilla/layers/Compositor.h" // for Compositor
13 #include "mozilla/layers/LayerManagerComposite.h"
14 #include "mozilla/layers/LayersTypes.h"
15 #include "mozilla/mozalloc.h" // for operator new, etc
16
17 using namespace mozilla::gl;
18
19 namespace mozilla {
20 namespace layers {
21
22 class GLManagerCompositor : public GLManager {
23 public:
GLManagerCompositor(CompositorOGL * aCompositor)24 explicit GLManagerCompositor(CompositorOGL* aCompositor)
25 : mImpl(aCompositor) {}
26
gl() const27 virtual GLContext* gl() const override { return mImpl->gl(); }
28
ActivateProgram(ShaderProgramOGL * aProg)29 virtual void ActivateProgram(ShaderProgramOGL* aProg) override {
30 mImpl->ActivateProgram(aProg);
31 }
32
GetProgram(GLenum aTarget,gfx::SurfaceFormat aFormat)33 virtual ShaderProgramOGL* GetProgram(GLenum aTarget,
34 gfx::SurfaceFormat aFormat) override {
35 ShaderConfigOGL config = ShaderConfigFromTargetAndFormat(aTarget, aFormat);
36 return mImpl->GetShaderProgramFor(config);
37 }
38
GetProjMatrix() const39 virtual const gfx::Matrix4x4& GetProjMatrix() const override {
40 return mImpl->GetProjMatrix();
41 }
42
BindAndDrawQuad(ShaderProgramOGL * aProg,const gfx::Rect & aLayerRect,const gfx::Rect & aTextureRect)43 virtual void BindAndDrawQuad(ShaderProgramOGL* aProg,
44 const gfx::Rect& aLayerRect,
45 const gfx::Rect& aTextureRect) override {
46 mImpl->BindAndDrawQuad(aProg, aLayerRect, aTextureRect);
47 }
48
49 private:
50 RefPtr<CompositorOGL> mImpl;
51 };
52
CreateGLManager(LayerManagerComposite * aManager)53 /* static */ GLManager* GLManager::CreateGLManager(
54 LayerManagerComposite* aManager) {
55 if (aManager && aManager->GetCompositor()->GetBackendType() ==
56 LayersBackend::LAYERS_OPENGL) {
57 return new GLManagerCompositor(
58 aManager->GetCompositor()->AsCompositorOGL());
59 }
60 return nullptr;
61 }
62
63 } // namespace layers
64 } // namespace mozilla
65