Index: cc/direct_renderer.h |
diff --git a/cc/direct_renderer.h b/cc/direct_renderer.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..73e6dc685377a53c808385f534aa9c0f48b9e563 100644 |
--- a/cc/direct_renderer.h |
+++ b/cc/direct_renderer.h |
@@ -1,3 +1,105 @@ |
// Copyright 2012 The Chromium Authors. All rights reserved. |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+ |
+#ifndef CCDirectRenderer_h |
+#define CCDirectRenderer_h |
+ |
+#include "base/basictypes.h" |
+#include "CCRenderer.h" |
+#include "CCResourceProvider.h" |
+#include "CCScopedTexture.h" |
+ |
+namespace cc { |
+ |
+class CCResourceProvider; |
+ |
+// This is the base class for code shared between the GL and software |
+// renderer implementations. "Direct" refers to the fact that it does not |
+// delegate rendering to another compositor. |
+class CCDirectRenderer : public CCRenderer { |
+public: |
+ virtual ~CCDirectRenderer(); |
+ |
+ CCResourceProvider* resourceProvider() const { return m_resourceProvider; } |
+ |
+ virtual void decideRenderPassAllocationsForFrame(const CCRenderPassList& renderPassesInDrawOrder) OVERRIDE; |
+ virtual bool haveCachedResourcesForRenderPassId(CCRenderPass::Id) const OVERRIDE; |
+ virtual void drawFrame(const CCRenderPassList& renderPassesInDrawOrder, const CCRenderPassIdHashMap& renderPassesById) OVERRIDE; |
+ |
+protected: |
+ CCDirectRenderer(CCRendererClient* client, CCResourceProvider* resourceProvider); |
+ |
+ struct DrawingFrame { |
+ DrawingFrame(); |
+ ~DrawingFrame(); |
+ |
+ const CCRenderPassIdHashMap* renderPassesById; |
+ const CCRenderPass* rootRenderPass; |
+ const CCRenderPass* currentRenderPass; |
+ const CCScopedTexture* currentTexture; |
+ |
+ FloatRect rootDamageRect; |
+ |
+ WebKit::WebTransformationMatrix projectionMatrix; |
+ WebKit::WebTransformationMatrix windowMatrix; |
+ bool flippedY; |
+ FloatRect scissorRectInRenderPassSpace; |
+ }; |
+ |
+ class CachedTexture : public CCScopedTexture { |
+ public: |
+ static scoped_ptr<CachedTexture> create(CCResourceProvider* resourceProvider) { |
+ return make_scoped_ptr(new CachedTexture(resourceProvider)); |
+ } |
+ virtual ~CachedTexture() {} |
+ |
+ bool isComplete() const { return m_isComplete; } |
+ void setIsComplete(bool isComplete) { m_isComplete = isComplete; } |
+ |
+ protected: |
+ explicit CachedTexture(CCResourceProvider* resourceProvider) |
+ : CCScopedTexture(resourceProvider) |
+ , m_isComplete(false) |
+ { |
+ } |
+ |
+ private: |
+ bool m_isComplete; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CachedTexture); |
+ }; |
+ |
+ static FloatRect quadVertexRect(); |
+ static void quadRectTransform(WebKit::WebTransformationMatrix* quadRectTransform, const WebKit::WebTransformationMatrix& quadTransform, const FloatRect& quadRect); |
+ static void initializeMatrices(DrawingFrame&, const IntRect& drawRect, bool flipY); |
+ static IntRect moveScissorToWindowSpace(const DrawingFrame&, FloatRect scissorRect); |
+ |
+ bool haveCachedResources(CCRenderPass::Id) const; |
+ static IntSize renderPassTextureSize(const CCRenderPass*); |
+ static GC3Denum renderPassTextureFormat(const CCRenderPass*); |
+ |
+ void drawRenderPass(DrawingFrame&, const CCRenderPass*); |
+ bool useRenderPass(DrawingFrame&, const CCRenderPass*); |
+ |
+ virtual void bindFramebufferToOutputSurface(DrawingFrame&) = 0; |
+ virtual bool bindFramebufferToTexture(DrawingFrame&, const CCScopedTexture*, const IntRect& framebufferRect) = 0; |
+ virtual void setDrawViewportSize(const IntSize&) = 0; |
+ virtual void enableScissorTestRect(const IntRect& scissorRect) = 0; |
+ virtual void disableScissorTest() = 0; |
+ virtual void clearFramebuffer(DrawingFrame&) = 0; |
+ virtual void drawQuad(DrawingFrame&, const CCDrawQuad*) = 0; |
+ virtual void beginDrawingFrame(DrawingFrame&) = 0; |
+ virtual void finishDrawingFrame(DrawingFrame&) = 0; |
+ virtual bool flippedFramebuffer() const = 0; |
+ |
+ ScopedPtrHashMap<CCRenderPass::Id, CachedTexture> m_renderPassTextures; |
+ CCResourceProvider* m_resourceProvider; |
+ |
+private: |
+ DISALLOW_COPY_AND_ASSIGN(CCDirectRenderer); |
+}; |
+ |
+} // namespace cc |
+ |
+#endif // CCDirectRenderer_h |