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      1 #include "DMGpuGMTask.h"
      2 
      3 #include "DMExpectationsTask.h"
      4 #include "DMUtil.h"
      5 #include "DMWriteTask.h"
      6 #include "SkCommandLineFlags.h"
      7 #include "SkSurface.h"
      8 #include "SkTLS.h"
      9 
     10 namespace DM {
     11 
     12 GpuGMTask::GpuGMTask(const char* config,
     13                      Reporter* reporter,
     14                      TaskRunner* taskRunner,
     15                      skiagm::GMRegistry::Factory gmFactory,
     16                      const Expectations& expectations,
     17                      GrContextFactory::GLContextType contextType,
     18                      int sampleCount)
     19     : GpuTask(reporter, taskRunner)
     20     , fGM(gmFactory(NULL))
     21     , fName(UnderJoin(fGM->getName(), config))
     22     , fExpectations(expectations)
     23     , fContextType(contextType)
     24     , fSampleCount(sampleCount)
     25     {}
     26 
     27 void GpuGMTask::draw(GrContextFactory* grFactory) {
     28     SkImageInfo info = SkImageInfo::Make(SkScalarCeilToInt(fGM->width()),
     29                                          SkScalarCeilToInt(fGM->height()),
     30                                          kN32_SkColorType,
     31                                          kPremul_SkAlphaType);
     32     SkAutoTUnref<SkSurface> surface(NewGpuSurface(grFactory, fContextType, info, fSampleCount));
     33     SkCanvas* canvas = surface->getCanvas();
     34 
     35     canvas->concat(fGM->getInitialTransform());
     36     fGM->draw(canvas);
     37     canvas->flush();
     38 
     39     SkBitmap bitmap;
     40     bitmap.setInfo(info);
     41     canvas->readPixels(&bitmap, 0, 0);
     42 
     43     this->spawnChild(SkNEW_ARGS(ExpectationsTask, (*this, fExpectations, bitmap)));
     44     this->spawnChild(SkNEW_ARGS(WriteTask, (*this, bitmap)));
     45 }
     46 
     47 bool GpuGMTask::shouldSkip() const {
     48     return kGPUDisabled || SkToBool(fGM->getFlags() & skiagm::GM::kSkipGPU_Flag);
     49 }
     50 
     51 }  // namespace DM
     52