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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.
*/
#define LOG_TAG "BaseRenderer"
#define LOG_NDEBUG 1
#include "config.h"
#include "BaseRenderer.h"
#if USE(ACCELERATED_COMPOSITING)
#include "AndroidLog.h"
#include "GaneshRenderer.h"
#include "GLUtils.h"
#include "InstrumentedPlatformCanvas.h"
#include "RasterRenderer.h"
#include "SkBitmap.h"
#include "SkBitmapRef.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkPicture.h"
#include "SkTypeface.h"
#include "Tile.h"
#include "TilesManager.h"
#include <wtf/text/CString.h>
#define UPDATE_COUNT_MASK 0xFF // displayed count wraps at 256
#define UPDATE_COUNT_ALPHA_MASK 0x1F // alpha wraps at 32
namespace WebCore {
BaseRenderer::RendererType BaseRenderer::g_currentType = BaseRenderer::Raster;
BaseRenderer* BaseRenderer::createRenderer()
{
if (g_currentType == Raster)
return new RasterRenderer();
else if (g_currentType == Ganesh)
return new GaneshRenderer();
return NULL;
}
void BaseRenderer::swapRendererIfNeeded(BaseRenderer*& renderer)
{
if (renderer->getType() == g_currentType)
return;
delete renderer;
renderer = createRenderer();
}
void BaseRenderer::drawTileInfo(SkCanvas* canvas,
const TileRenderInfo& renderInfo, int updateCount, double renderDuration)
{
static SkTypeface* s_typeface = 0;
if (!s_typeface)
s_typeface = SkTypeface::CreateFromName("", SkTypeface::kBold);
SkPaint paint;
paint.setTextSize(17);
char str[256];
snprintf(str, 256, " (%d,%d) %.2fx %d %.1fms", renderInfo.x, renderInfo.y,
renderInfo.scale, updateCount, renderDuration);
paint.setARGB(128, 255, 255, 255);
canvas->drawRectCoords(0, 0, renderInfo.tileSize.fWidth, 17, paint);
paint.setARGB(255, 255, 0, 0);
paint.setTypeface(s_typeface);
canvas->drawText(str, strlen(str), 20, 15, paint);
}
void BaseRenderer::renderTiledContent(TileRenderInfo& renderInfo)
{
const bool visualIndicator = TilesManager::instance()->getShowVisualIndicator();
const SkSize& tileSize = renderInfo.tileSize;
Color *background = renderInfo.tilePainter->background();
InstrumentedPlatformCanvas canvas(TilesManager::instance()->tileWidth(),
TilesManager::instance()->tileHeight(),
background ? *background : Color::transparent);
setupCanvas(renderInfo, &canvas);
if (!canvas.getDevice()) {
// TODO: consider ALOGE
ALOGV("Error: No Device");
return;
}
double before;
if (visualIndicator) {
canvas.save();
before = currentTimeMS();
}
canvas.translate(-renderInfo.x * tileSize.width(), -renderInfo.y * tileSize.height());
canvas.scale(renderInfo.scale, renderInfo.scale);
renderInfo.tilePainter->paint(&canvas);
checkForPureColor(renderInfo, canvas);
if (visualIndicator) {
double after = currentTimeMS();
canvas.restore();
unsigned int updateCount = renderInfo.tilePainter->getUpdateCount() & UPDATE_COUNT_MASK;
const int color = updateCount & UPDATE_COUNT_ALPHA_MASK;
// only color the invalidated area
SkPaint paint;
paint.setARGB(color, 0, 255, 0);
SkIRect rect;
rect.set(0, 0, tileSize.width(), tileSize.height());
canvas.drawIRect(rect, paint);
drawTileInfo(&canvas, renderInfo, updateCount, after - before);
// paint the tile boundaries
paint.setARGB(64, 255, 0, 0);
paint.setStrokeWidth(3);
canvas.drawLine(0, 0, tileSize.width(), tileSize.height(), paint);
paint.setARGB(64, 0, 255, 0);
canvas.drawLine(0, tileSize.height(), tileSize.width(), 0, paint);
paint.setARGB(128, 0, 0, 255);
canvas.drawLine(tileSize.width(), 0, tileSize.width(), tileSize.height(), paint);
}
renderingComplete(renderInfo, &canvas);
}
void BaseRenderer::checkForPureColor(TileRenderInfo& renderInfo, InstrumentedPlatformCanvas& canvas)
{
renderInfo.isPureColor = canvas.isSolidColor();
renderInfo.pureColor = canvas.solidColor();
deviceCheckForPureColor(renderInfo, &canvas);
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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