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/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TilesManager_h
#define TilesManager_h
#if USE(ACCELERATED_COMPOSITING)
#include "LayerAndroid.h"
#include "ShaderProgram.h"
#include "TexturesGenerator.h"
#include "TilesProfiler.h"
#include "VideoLayerManager.h"
#include <utils/threads.h>
#include <wtf/HashMap.h>
namespace WebCore {
class OperationFilter;
class Tile;
class TileTexture;
class TransferQueue;
class TilesManager {
public:
// May only be called from the UI thread
static TilesManager* instance();
static bool hardwareAccelerationEnabled()
{
return gInstance != 0;
}
ShaderProgram* shader() { return &m_shader; }
TransferQueue* transferQueue();
VideoLayerManager* videoLayerManager() { return &m_videoLayerManager; }
void updateTilesIfContextVerified();
void cleanupGLResources();
void gatherTextures();
bool layerTexturesRemain() { return m_layerTexturesRemain; }
void gatherTexturesNumbers(int* nbTextures, int* nbAllocatedTextures,
int* nbLayerTextures, int* nbAllocatedLayerTextures);
TileTexture* getAvailableTexture(Tile* owner);
void dirtyAllTiles();
void printTextures();
// m_highEndGfx is written/read only on UI thread, no need for a lock.
void setHighEndGfx(bool highEnd);
bool highEndGfx();
int currentTextureCount();
int currentLayerTextureCount();
void setCurrentTextureCount(int newTextureCount);
void setCurrentLayerTextureCount(int newTextureCount);
static int tileWidth();
static int tileHeight();
void allocateTextures();
// remove all tiles from textures (and optionally deallocate gl memory)
void discardTextures(bool allTextures, bool glTextures);
bool getShowVisualIndicator()
{
return m_showVisualIndicator;
}
void setShowVisualIndicator(bool showVisualIndicator)
{
m_showVisualIndicator = showVisualIndicator;
}
TilesProfiler* getProfiler()
{
return &m_profiler;
}
bool invertedScreen()
{
return m_invertedScreen;
}
void setInvertedScreen(bool invert)
{
m_invertedScreen = invert;
}
void setInvertedScreenContrast(float contrast)
{
m_shader.setContrast(contrast);
}
void setUseMinimalMemory(bool useMinimalMemory)
{
m_useMinimalMemory = useMinimalMemory;
}
bool useMinimalMemory()
{
return m_useMinimalMemory;
}
void setUseDoubleBuffering(bool useDoubleBuffering)
{
m_useDoubleBuffering = useDoubleBuffering;
}
bool useDoubleBuffering() { return m_useDoubleBuffering; }
unsigned int incWebkitContentUpdates() { return m_webkitContentUpdates++; }
void incContentUpdates() { m_contentUpdates++; }
unsigned int getContentUpdates() { return m_contentUpdates; }
void clearContentUpdates() { m_contentUpdates = 0; }
void incDrawGLCount()
{
m_drawGLCount++;
}
unsigned long long getDrawGLCount()
{
return m_drawGLCount;
}
// operations on/for texture generator threads
void removeOperationsForFilter(OperationFilter* filter);
bool tryUpdateOperationWithPainter(Tile* tile, TilePainter* painter);
void scheduleOperation(QueuedOperation* operation);
private:
TilesManager();
~TilesManager();
int m_scheduleThread;
void discardTexturesVector(unsigned long long sparedDrawCount,
WTF::Vector<TileTexture*>& textures,
bool deallocateGLTextures);
void dirtyTexturesVector(WTF::Vector<TileTexture*>& textures);
void markAllGLTexturesZero();
int getMaxTextureAllocation();
WTF::Vector<TileTexture*> m_textures;
WTF::Vector<TileTexture*> m_availableTextures;
WTF::Vector<TileTexture*> m_tilesTextures;
WTF::Vector<TileTexture*> m_availableTilesTextures;
bool m_layerTexturesRemain;
bool m_highEndGfx;
int m_currentTextureCount;
int m_currentLayerTextureCount;
int m_maxTextureAllocation;
bool m_generatorReady;
bool m_showVisualIndicator;
bool m_invertedScreen;
bool m_useMinimalMemory;
bool m_useDoubleBuffering;
unsigned int m_contentUpdates; // nr of successful tiled paints
unsigned int m_webkitContentUpdates; // nr of paints from webkit
sp<TexturesGenerator>* m_textureGenerators;
android::Mutex m_texturesLock;
static TilesManager* gInstance;
ShaderProgram m_shader;
TransferQueue* m_queue;
VideoLayerManager m_videoLayerManager;
TilesProfiler m_profiler;
unsigned long long m_drawGLCount;
double m_lastTimeLayersUsed;
bool m_hasLayerTextures;
EGLContext m_eglContext;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // TilesManager_h
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