Sketch DM refactor.

dm/DMQuiltTask.cpp

Index: dm/DMQuiltTask.cpp
diff --git a/dm/DMQuiltTask.cpp b/dm/DMQuiltTask.cpp
deleted file mode 100644
index 83a989da718907cf5e070db719346bebadd641a4..0000000000000000000000000000000000000000
--- a/dm/DMQuiltTask.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-#include "DMQuiltTask.h"
-#include "DMUtil.h"
-#include "DMWriteTask.h"
-
-#include "SkBBHFactory.h"
-#include "SkCommandLineFlags.h"
-#include "SkPicture.h"
-#include "SkTaskGroup.h"
-
-DEFINE_bool(quilt, true, "If true, draw GM via a picture into a quilt of small tiles and compare.");
-DEFINE_int32(quiltTile, 256, "Dimension of (square) quilt tile.");
-
-namespace DM {
-
-static const char* kBBHs[] = { "nobbh", "rtree", "tilegrid" };
-QuiltTask::QuiltTask(const Task& parent, skiagm::GM* gm, SkBitmap reference, QuiltTask::BBH bbh)
-    : CpuTask(parent)
-    , fBBH(bbh)
-    , fName(UnderJoin(parent.name().c_str(), kBBHs[bbh]))
-    , fGM(gm)
-    , fReference(reference)
-    {}
-
-static int tiles_needed(int fullDimension, int tileDimension) {
-    return (fullDimension + tileDimension - 1) / tileDimension;
-}
-
-struct DrawTileArgs {
-    int x, y;
-    const SkPicture* picture;
-    SkBitmap* quilt;
-};
-
-static void draw_tile(DrawTileArgs* arg) {
-    const DrawTileArgs& a = *arg;
-    SkBitmap tile;
-    a.quilt->extractSubset(&tile, SkIRect::MakeXYWH(a.x, a.y, FLAGS_quiltTile, FLAGS_quiltTile));
-    SkCanvas tileCanvas(tile);
-    tileCanvas.translate(SkIntToScalar(-a.x), SkIntToScalar(-a.y));
-    a.picture->playback(&tileCanvas);
-    tileCanvas.flush();
-}
-
-void QuiltTask::draw() {
-    SkAutoTDelete<SkBBHFactory> factory;
-    switch (fBBH) {
-        case kNone_BBH: break;
-        case kRTree_BBH:
-            factory.reset(SkNEW(SkRTreeFactory));
-            break;
-    }
-
-    // A couple GMs draw wrong when using a bounding box hierarchy.
-    // This almost certainly means we have a bug to fix, but for now
-    // just draw without a bounding box hierarchy.
-    if (fGM->getFlags() & skiagm::GM::kNoBBH_Flag) {
-        factory.reset(NULL);
-    }
-
-    SkAutoTUnref<const SkPicture> recorded(RecordPicture(fGM.get(), factory.get()));
-
-    SkBitmap full;
-    AllocatePixels(fReference, &full);
-
-    if (fGM->getFlags() & skiagm::GM::kSkipTiled_Flag) {
-        // Some GMs don't draw exactly the same when tiled.  Draw them in one go.
-        SkCanvas canvas(full);
-        recorded->playback(&canvas);
-        canvas.flush();
-    } else {
-        // Draw tiles in parallel into the same bitmap, simulating aggressive impl-side painting.
-        int xTiles = tiles_needed(full.width(),  FLAGS_quiltTile),
-            yTiles = tiles_needed(full.height(), FLAGS_quiltTile);
-        SkTDArray<DrawTileArgs> args;
-        args.setCount(xTiles*yTiles);
-        for (int y = 0; y < yTiles; y++) {
-            for (int x = 0; x < xTiles; x++) {
-                DrawTileArgs arg = { x*FLAGS_quiltTile, y*FLAGS_quiltTile, recorded, &full };
-                args[y*xTiles + x] = arg;
-            }
-        }
-        SkTaskGroup().batch(draw_tile, args.begin(), args.count());
-    }
-
-    if (!BitmapsEqual(full, fReference)) {
-        this->fail();
-        this->spawnChild(SkNEW_ARGS(WriteTask, (*this, "GM", full)));
-    }
-}
-
-bool QuiltTask::shouldSkip() const {
-    if (fGM->getFlags() & skiagm::GM::kSkipPicture_Flag) {
-        return true;
-    }
-    return !FLAGS_quilt;
-}
-
-}  // namespace DM