// Draw a blurred version of the provided path.
// Return the right half of the middle row in 'result'.
static void cpu_blur_path(const SkPath& path, SkScalar gaussianSigma,
int* result, int resultCount) {
SkBitmap bitmap;
bitmap.allocN32Pixels(resultCount, 30);
SkCanvas canvas(bitmap);
blur_path(&canvas, path, gaussianSigma);
readback(&canvas, result, resultCount);
}
// temporary disable; see below for explanation
static bool gpu_blur_path(GrContext* context, const SkPath& path,
SkScalar gaussianSigma,
int* result, int resultCount) {
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = resultCount;
desc.fHeight = 30;
desc.fSampleCnt = 0;
SkAutoTUnref<GrTexture> texture(grContext->createTexture(desc, false, nullptr, 0));
SkAutoTUnref<SkGpuDevice> device(new SkGpuDevice (grContext, texture.get()));
SkCanvas canvas(device.get());
blur_path(&canvas, path, gaussianSigma);
readback(&canvas, result, resultCount);
return true;
}
// temporary disable; see below for explanation
static bool gpu_blur_path(GrContextFactory* factory, const SkPath& path,
SkScalar gaussianSigma,
int* result, int resultCount) {
GrContext* grContext = factory->get(GrContextFactory::kNative_GLContextType);
if (NULL == grContext) {
return false;
}
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = resultCount;
desc.fHeight = 30;
desc.fSampleCnt = 0;
SkAutoTUnref<GrTexture> texture(grContext->createUncachedTexture(desc, NULL, 0));
SkAutoTUnref<SkGpuDevice> device(SkNEW_ARGS(SkGpuDevice, (grContext, texture.get())));
SkCanvas canvas(device.get());
blur_path(&canvas, path, gaussianSigma);
readback(&canvas, result, resultCount);
return true;
}
