[cc] Rename all cc/ filenames to Chromium style

cc/CCPrioritizedTextureManager.h

 // 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 CCPrioritizedTextureManager_h
-#define CCPrioritizedTextureManager_h
-
-#include "base/basictypes.h"
-#include "base/hash_tables.h"
-#include "base/memory/scoped_ptr.h"
-#include "CCPrioritizedTexture.h"
-#include "CCPriorityCalculator.h"
-#include "CCTexture.h"
-#include "GraphicsContext3D.h"
-#include "IntRect.h"
-#include "IntSize.h"
-#include <wtf/ListHashSet.h>
-#include <wtf/Vector.h>
-
-#if defined(COMPILER_GCC)
-namespace BASE_HASH_NAMESPACE {
-template<>
-struct hash<cc::CCPrioritizedTexture*> {
-  size_t operator()(cc::CCPrioritizedTexture* ptr) const {
-    return hash<size_t>()(reinterpret_cast<size_t>(ptr));
-  }
-};
-} // namespace BASE_HASH_NAMESPACE
-#endif // COMPILER
-
-namespace cc {
-
-class CCPriorityCalculator;
-
-class CCPrioritizedTextureManager {
-public:
-    static scoped_ptr<CCPrioritizedTextureManager> create(size_t maxMemoryLimitBytes, int maxTextureSize, int pool)
-    {
-        return make_scoped_ptr(new CCPrioritizedTextureManager(maxMemoryLimitBytes, maxTextureSize, pool));
-    }
-    scoped_ptr<CCPrioritizedTexture> createTexture(IntSize size, GC3Denum format)
-    {
-        return make_scoped_ptr(new CCPrioritizedTexture(this, size, format));
-    }
-    ~CCPrioritizedTextureManager();
-
-    typedef Vector<CCPrioritizedTexture::Backing*> BackingVector;
-
-    // FIXME (http://crbug.com/137094): This 64MB default is a straggler from the
-    // old texture manager and is just to give us a default memory allocation before
-    // we get a callback from the GPU memory manager. We should probaby either:
-    // - wait for the callback before rendering anything instead
-    // - push this into the GPU memory manager somehow.
-    static size_t defaultMemoryAllocationLimit() { return 64 * 1024 * 1024; }
-
-    // memoryUseBytes() describes the number of bytes used by existing allocated textures.
-    // memoryAboveCutoffBytes() describes the number of bytes that would be used if all
-    // textures that are above the cutoff were allocated.
-    // memoryUseBytes() <= memoryAboveCutoffBytes() should always be true.
-    size_t memoryUseBytes() const { return m_memoryUseBytes; }
-    size_t memoryAboveCutoffBytes() const { return m_memoryAboveCutoffBytes; }
-    size_t memoryForSelfManagedTextures() const { return m_maxMemoryLimitBytes - m_memoryAvailableBytes; }
-
-    void setMaxMemoryLimitBytes(size_t bytes) { m_maxMemoryLimitBytes = bytes; }
-    size_t maxMemoryLimitBytes() const { return m_maxMemoryLimitBytes; }
-
-    void prioritizeTextures();
-    void clearPriorities();
-
-    void reduceMemoryOnImplThread(size_t limitBytes, CCResourceProvider*);
-    bool evictedBackingsExist() const { return !m_evictedBackings.isEmpty(); }
-    void getEvictedBackings(BackingVector& evictedBackings);
-    void unlinkEvictedBackings(const BackingVector& evictedBackings);
-    // Deletes all evicted backings, unlinking them from their owning textures if needed.
-    // Returns true if this function unlinked any backings from their owning texture while
-    // destroying them.
-    bool deleteEvictedBackings();
-
-    bool requestLate(CCPrioritizedTexture*);
-
-    void reduceMemory(CCResourceProvider*);
-    void clearAllMemory(CCResourceProvider*);
-
-    void acquireBackingTextureIfNeeded(CCPrioritizedTexture*, CCResourceProvider*);
-
-    void registerTexture(CCPrioritizedTexture*);
-    void unregisterTexture(CCPrioritizedTexture*);
-    void returnBackingTexture(CCPrioritizedTexture*);
-
-private:
-    friend class CCPrioritizedTextureTest;
-
-    enum EvictionPriorityPolicy {
-        RespectManagerPriorityCutoff,
-        DoNotRespectManagerPriorityCutoff,
-    };
-
-    // Compare textures. Highest priority first.
-    static inline bool compareTextures(CCPrioritizedTexture* a, CCPrioritizedTexture* b)
-    {
-        if (a->requestPriority() == b->requestPriority())
-            return a < b;
-        return CCPriorityCalculator::priorityIsHigher(a->requestPriority(), b->requestPriority());
-    }
-    // Compare backings. Lowest priority first.
-    static inline bool compareBackings(CCPrioritizedTexture::Backing* a, CCPrioritizedTexture::Backing* b)
-    {
-        int priorityA = a->requestPriorityAtLastPriorityUpdate();
-        int priorityB = b->requestPriorityAtLastPriorityUpdate();
-        if (priorityA != priorityB)
-            return CCPriorityCalculator::priorityIsLower(priorityA, priorityB);
-        bool aboveCutoffA = a->wasAbovePriorityCutoffAtLastPriorityUpdate();
-        bool aboveCutoffB = b->wasAbovePriorityCutoffAtLastPriorityUpdate();
-        if (!aboveCutoffA && aboveCutoffB)
-            return true;
-        if (aboveCutoffA && !aboveCutoffB)
-            return false;
-        return a < b;
-    }
-
-    CCPrioritizedTextureManager(size_t maxMemoryLimitBytes, int maxTextureSize, int pool);
-
-    void updateBackingsPriorities();
-    void evictBackingsToReduceMemory(size_t limitBytes, EvictionPriorityPolicy, CCResourceProvider*);
-    CCPrioritizedTexture::Backing* createBacking(IntSize, GC3Denum format, CCResourceProvider*);
-    void evictBackingResource(CCPrioritizedTexture::Backing*, CCResourceProvider*);
-
-#if !ASSERT_DISABLED
-    void assertInvariants();
-#endif
-
-    size_t m_maxMemoryLimitBytes;
-    unsigned m_priorityCutoff;
-    size_t m_memoryUseBytes;
-    size_t m_memoryAboveCutoffBytes;
-    size_t m_memoryAvailableBytes;
-    int m_pool;
-
-    typedef base::hash_set<CCPrioritizedTexture*> TextureSet;
-    typedef ListHashSet<CCPrioritizedTexture::Backing*> BackingSet;
-    typedef Vector<CCPrioritizedTexture*> TextureVector;
-
-    TextureSet m_textures;
-    BackingSet m_backings;
-    BackingVector m_evictedBackings;
-
-    TextureVector m_tempTextureVector;
-    BackingVector m_tempBackingVector;
-
-    // Set by the main thread when it adjust priorities in such a way that
-    // the m_backings array's view of priorities is now out of date.
-    bool m_needsUpdateBackingsPrioritites;
-
-    DISALLOW_COPY_AND_ASSIGN(CCPrioritizedTextureManager);
-};
-
-}  // namespace cc
-
-#endif
+// Temporary forwarding header
+#include "cc/prioritized_texture_manager.h"