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/*
* Copyright 2011, 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.
*/
#include "config.h"
#include "GaneshRenderer.h"
#if USE(ACCELERATED_COMPOSITING)
#include "GaneshContext.h"
#include "SkCanvas.h"
#include "SkGpuDevice.h"
#include "TilesManager.h"
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/CurrentTime.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "GaneshRenderer", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
static const String TAG_CREATE_FBO = "create_fbo";
static const String TAG_DRAW_PICTURE = "draw_picture";
static const String TAG_UPDATE_TEXTURE = "update_texture";
#define TAG_COUNT 3
static const String TAGS[] = {
TAG_CREATE_FBO,
TAG_DRAW_PICTURE,
TAG_UPDATE_TEXTURE,
};
GaneshRenderer::GaneshRenderer() : BaseRenderer(BaseRenderer::Ganesh)
{
#ifdef DEBUG_COUNT
ClassTracker::instance()->increment("GaneshRenderer");
#endif
}
GaneshRenderer::~GaneshRenderer()
{
#ifdef DEBUG_COUNT
ClassTracker::instance()->decrement("GaneshRenderer");
#endif
}
void GaneshRenderer::setupCanvas(const TileRenderInfo& renderInfo, SkCanvas* canvas)
{
if (renderInfo.measurePerf)
m_perfMon.start(TAG_CREATE_FBO);
GaneshContext* ganesh = GaneshContext::instance();
TransferQueue* tileQueue = TilesManager::instance()->transferQueue();
tileQueue->lockQueue();
bool ready = tileQueue->readyForUpdate();
if (!ready) {
XLOG("!ready");
tileQueue->unlockQueue();
return;
}
SkDevice* device = NULL;
if (renderInfo.tileSize.width() == TilesManager::tileWidth()
&& renderInfo.tileSize.height() == TilesManager::tileHeight()) {
device = ganesh->getDeviceForBaseTile(renderInfo);
} else {
// TODO support arbitrary sizes for layers
XLOG("ERROR: expected (%d,%d) actual (%d,%d)",
TilesManager::tileWidth(), TilesManager::tileHeight(),
renderInfo.tileSize.width(), renderInfo.tileSize.height());
}
if (renderInfo.measurePerf) {
m_perfMon.stop(TAG_CREATE_FBO);
m_perfMon.start(TAG_DRAW_PICTURE);
}
// set the GPU device to the canvas
canvas->setDevice(device);
canvas->setDeviceFactory(device->getDeviceFactory());
}
void GaneshRenderer::setupPartialInval(const TileRenderInfo& renderInfo, SkCanvas* canvas)
{
// set the clip to our invalRect
SkRect clipRect = SkRect::MakeLTRB(renderInfo.invalRect->fLeft,
renderInfo.invalRect->fTop,
renderInfo.invalRect->fRight,
renderInfo.invalRect->fBottom);
canvas->clipRect(clipRect);
}
void GaneshRenderer::renderingComplete(const TileRenderInfo& renderInfo, SkCanvas* canvas)
{
if (renderInfo.measurePerf) {
m_perfMon.stop(TAG_DRAW_PICTURE);
m_perfMon.start(TAG_UPDATE_TEXTURE);
}
XLOG("rendered to tile (%d,%d)", renderInfo.x, renderInfo.y);
GaneshContext::instance()->flush();
// In SurfaceTextureMode we must call swapBuffers to unlock and post the
// tile's ANativeWindow (i.e. SurfaceTexture) buffer
TransferQueue* tileQueue = TilesManager::instance()->transferQueue();
eglSwapBuffers(eglGetCurrentDisplay(), tileQueue->m_eglSurface);
tileQueue->addItemInTransferQueue(&renderInfo, GpuUpload, 0);
tileQueue->unlockQueue();
if (renderInfo.measurePerf)
m_perfMon.stop(TAG_UPDATE_TEXTURE);
}
const String* GaneshRenderer::getPerformanceTags(int& tagCount)
{
tagCount = TAG_COUNT;
return TAGS;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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