84b18c7e3e
https://codereview.chromium.org/214953003/ git-svn-id: http://skia.googlecode.com/svn/trunk@14171 2bbb7eff-a529-9590-31e7-b0007b416f81
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
#include "DMTileGridTask.h"
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#include "DMWriteTask.h"
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#include "DMUtil.h"
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#include "SkCommandLineFlags.h"
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#include "SkPicture.h"
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#include "SkTileGridPicture.h"
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// TODO(mtklein): Tile grid tests are currently failing. (Skia issue 1198). When fixed, -> true.
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DEFINE_bool(tileGrid, false, "If true, run picture replay tests with a tile grid.");
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namespace DM {
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TileGridTask::TileGridTask(const Task& parent, skiagm::GM* gm, SkBitmap reference, SkISize tileSize)
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: CpuTask(parent)
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, fName(UnderJoin(parent.name().c_str(), "tilegrid"))
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, fGM(gm)
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, fReference(reference)
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, fTileSize(tileSize)
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{}
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static int tiles_needed(int fullDimension, int tileDimension) {
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return (fullDimension + tileDimension - 1) / tileDimension;
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}
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void TileGridTask::draw() {
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const SkTileGridPicture::TileGridInfo info = {
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fTileSize,
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SkISize::Make(0,0), // Overlap between adjacent tiles.
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SkIPoint::Make(0,0), // Offset.
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};
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SkAutoTUnref<SkPictureFactory> factory(SkNEW_ARGS(SkTileGridPictureFactory, (info)));
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SkAutoTUnref<SkPicture> recorded(RecordPicture(fGM.get(),
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SkPicture::kUsePathBoundsForClip_RecordingFlag,
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factory));
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SkBitmap full;
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SetupBitmap(fReference.colorType(), fGM.get(), &full);
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SkCanvas fullCanvas(full);
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SkBitmap tile;
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tile.allocPixels(SkImageInfo::Make(fTileSize.width(), fTileSize.height(),
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fReference.colorType(), kPremul_SkAlphaType));
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SkCanvas tileCanvas(tile);
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SkPaint paint;
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paint.setXfermodeMode(SkXfermode::kSrc_Mode);
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for (int y = 0; y < tiles_needed(full.height(), tile.height()); y++) {
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for (int x = 0; x < tiles_needed(full.width(), tile.width()); x++) {
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SkAutoCanvasRestore ar(&tileCanvas, true/*also save now*/);
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const SkScalar xOffset = SkIntToScalar(x * tile.width()),
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yOffset = SkIntToScalar(y * tile.height());
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SkMatrix matrix = tileCanvas.getTotalMatrix();
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matrix.postTranslate(-xOffset, -yOffset);
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tileCanvas.setMatrix(matrix);
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recorded->draw(&tileCanvas);
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tileCanvas.flush();
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fullCanvas.drawBitmap(tile, xOffset, yOffset, &paint);
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}
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}
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if (!BitmapsEqual(full, fReference)) {
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this->fail();
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this->spawnChild(SkNEW_ARGS(WriteTask, (*this, full)));
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}
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}
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bool TileGridTask::shouldSkip() const {
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if (fGM->getFlags() & skiagm::GM::kSkipPicture_Flag) {
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return true;
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}
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if (fGM->getFlags() & skiagm::GM::kSkipTiled_Flag) {
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return true;
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}
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return !FLAGS_tileGrid;
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}
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} // namespace DM
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