Sketch DM refactor.

dm/DMGpuGMTask.cpp

-#include "DMGpuGMTask.h"
-#include "DMUtil.h"
-#include "DMWriteTask.h"
-#include "SkCommonFlags.h"
-#include "SkSurface.h"
-#include "SkTLS.h"
-
-namespace DM {
-
-GpuGMTask::GpuGMTask(const char* config,
-                     Reporter* reporter,
-                     TaskRunner* taskRunner,
-                     skiagm::GMRegistry::Factory gmFactory,
-                     GrContextFactory::GLContextType contextType,
-                     GrGLStandard gpuAPI,
-                     int sampleCount,
-                     bool useDFText)
-    : GpuTask(reporter, taskRunner)
-    , fGM(gmFactory(NULL))
-    , fName(UnderJoin(fGM->getName(), config))
-    , fContextType(contextType)
-    , fGpuAPI(gpuAPI)
-    , fSampleCount(sampleCount)
-    , fUseDFText(useDFText)
-    {}
-
-static bool gAlreadyWarned[GrContextFactory::kGLContextTypeCnt][kGrGLStandardCnt];
-
-void GpuGMTask::draw(GrContextFactory* grFactory) {
-    SkImageInfo info = SkImageInfo::Make(SkScalarCeilToInt(fGM->width()),
-                                         SkScalarCeilToInt(fGM->height()),
-                                         kN32_SkColorType,
-                                         kPremul_SkAlphaType);
-    SkAutoTUnref<SkSurface> surface(NewGpuSurface(grFactory, fContextType, fGpuAPI, info,
-                                                  fSampleCount, fUseDFText));
-    if (!surface) {
-        if (!gAlreadyWarned[fContextType][fGpuAPI]) {
-            SkDebugf("FYI: couldn't create GPU context, type %d API %d.  Will skip.\n",
-                     fContextType, fGpuAPI);
-            gAlreadyWarned[fContextType][fGpuAPI] = true;
-        }
-        return;
-    }
-    SkCanvas* canvas = surface->getCanvas();
-    CanvasPreflight(canvas);
-
-    canvas->concat(fGM->getInitialTransform());
-    fGM->draw(canvas);
-    canvas->flush();
-#if GR_CACHE_STATS && SK_SUPPORT_GPU
-    if (FLAGS_veryVerbose) {
-        grFactory->get(fContextType)->printCacheStats();
-    }
-#endif
-
-    SkBitmap bitmap;
-    bitmap.setInfo(info);
-    canvas->readPixels(&bitmap, 0, 0);
-
-    this->spawnChild(SkNEW_ARGS(WriteTask, (*this, "GM", bitmap)));
-}
-
-bool GpuGMTask::shouldSkip() const {
-    return kGPUDisabled || SkToBool(fGM->getFlags() & skiagm::GM::kSkipGPU_Flag);
-}
-
-}  // namespace DM