Index: cc/proxy.h |
diff --git a/cc/proxy.h b/cc/proxy.h |
index 638cbb270ce9b24689d5095baf174ade4f4d1a13..30a62cc55cc9a41ecfc82a3fcd4a324794cf76db 100644 |
--- a/cc/proxy.h |
+++ b/cc/proxy.h |
@@ -1,3 +1,129 @@ |
-// Copyright 2012 The Chromium Authors. All rights reserved. |
+// Copyright 2011 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 CCProxy_h |
+#define CCProxy_h |
+ |
+#include "base/basictypes.h" |
+#include <public/WebCompositorOutputSurface.h> |
+#include <wtf/PassOwnPtr.h> |
+#include <wtf/PassRefPtr.h> |
+ |
+namespace cc { |
+ |
+class CCThread; |
+class IntRect; |
+class IntSize; |
+struct CCRenderingStats; |
+struct RendererCapabilities; |
+ |
+// Abstract class responsible for proxying commands from the main-thread side of |
+// the compositor over to the compositor implementation. |
+class CCProxy { |
+public: |
+ static void setMainThread(CCThread*); |
+ static CCThread* mainThread(); |
+ |
+ static bool hasImplThread(); |
+ static void setImplThread(CCThread*); |
+ static CCThread* implThread(); |
+ |
+ // Returns 0 if the current thread is neither the main thread nor the impl thread. |
+ static CCThread* currentThread(); |
+ |
+ virtual ~CCProxy(); |
+ |
+ virtual bool compositeAndReadback(void *pixels, const IntRect&) = 0; |
+ |
+ virtual void startPageScaleAnimation(const IntSize& targetPosition, bool useAnchor, float scale, double durationSec) = 0; |
+ |
+ virtual void finishAllRendering() = 0; |
+ |
+ virtual bool isStarted() const = 0; |
+ |
+ // Attempts to initialize a context to use for rendering. Returns false if the context could not be created. |
+ // The context will not be used and no frames may be produced until initializeRenderer() is called. |
+ virtual bool initializeContext() = 0; |
+ |
+ // Indicates that the compositing surface associated with our context is ready to use. |
+ virtual void setSurfaceReady() = 0; |
+ |
+ virtual void setVisible(bool) = 0; |
+ |
+ // Attempts to initialize the layer renderer. Returns false if the context isn't usable for compositing. |
+ virtual bool initializeRenderer() = 0; |
+ |
+ // Attempts to recreate the context and layer renderer after a context lost. Returns false if the renderer couldn't be |
+ // reinitialized. |
+ virtual bool recreateContext() = 0; |
+ |
+ virtual void renderingStats(CCRenderingStats*) = 0; |
+ |
+ virtual const RendererCapabilities& rendererCapabilities() const = 0; |
+ |
+ virtual void setNeedsAnimate() = 0; |
+ virtual void setNeedsCommit() = 0; |
+ virtual void setNeedsRedraw() = 0; |
+ |
+ virtual void didAddAnimation() = 0; |
+ |
+ virtual bool commitRequested() const = 0; |
+ |
+ virtual void start() = 0; // Must be called before using the proxy. |
+ virtual void stop() = 0; // Must be called before deleting the proxy. |
+ |
+ // Forces 3D commands on all contexts to wait for all previous SwapBuffers to finish before executing in the GPU |
+ // process. |
+ virtual void forceSerializeOnSwapBuffers() = 0; |
+ |
+ // Maximum number of sub-region texture updates supported for each commit. |
+ virtual size_t maxPartialTextureUpdates() const = 0; |
+ |
+ virtual void acquireLayerTextures() = 0; |
+ |
+ // Debug hooks |
+#ifndef NDEBUG |
+ static bool isMainThread(); |
+ static bool isImplThread(); |
+ static bool isMainThreadBlocked(); |
+ static void setMainThreadBlocked(bool); |
+#endif |
+ |
+ // Testing hooks |
+ virtual void loseContext() = 0; |
+ |
+#ifndef NDEBUG |
+ static void setCurrentThreadIsImplThread(bool); |
+#endif |
+ |
+protected: |
+ CCProxy(); |
+ friend class DebugScopedSetImplThread; |
+ friend class DebugScopedSetMainThreadBlocked; |
+ |
+private: |
+ DISALLOW_COPY_AND_ASSIGN(CCProxy); |
+}; |
+ |
+class DebugScopedSetMainThreadBlocked { |
+public: |
+ DebugScopedSetMainThreadBlocked() |
+ { |
+#if !ASSERT_DISABLED |
+ ASSERT(!CCProxy::isMainThreadBlocked()); |
+ CCProxy::setMainThreadBlocked(true); |
+#endif |
+ } |
+ ~DebugScopedSetMainThreadBlocked() |
+ { |
+#if !ASSERT_DISABLED |
+ ASSERT(CCProxy::isMainThreadBlocked()); |
+ CCProxy::setMainThreadBlocked(false); |
+#endif |
+ } |
+}; |
+ |
+} |
+ |
+#endif |