| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| // This test only works with the GPU backend. |
| |
| #include "gm/gm.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkYUVAInfo.h" |
| #include "include/core/SkYUVAPixmaps.h" |
| #include "src/core/SkCanvasPriv.h" |
| #include "src/gpu/GrSamplerState.h" |
| #include "src/gpu/GrTextureProxy.h" |
| #include "src/gpu/GrYUVATextureProxies.h" |
| #include "src/gpu/SkGr.h" |
| #include "src/gpu/effects/GrYUVtoRGBEffect.h" |
| #include "src/gpu/v1/SurfaceDrawContext_v1.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| class SkCanvas; |
| |
| namespace skiagm { |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| // This GM tests subsetting YUV multiplanar images where the U and V |
| // planes have different resolution from Y. See skbug:8959 |
| |
| class YUVtoRGBSubsetEffect : public GpuGM { |
| public: |
| YUVtoRGBSubsetEffect() { |
| this->setBGColor(0xFFFFFFFF); |
| } |
| |
| protected: |
| SkString onShortName() override { |
| return SkString("yuv_to_rgb_subset_effect"); |
| } |
| |
| SkISize onISize() override { return {1310, 540}; } |
| |
| void makePixmaps() { |
| SkYUVAInfo yuvaInfo = SkYUVAInfo({8, 8}, |
| SkYUVAInfo::PlaneConfig::kY_U_V, |
| SkYUVAInfo::Subsampling::k420, |
| kJPEG_Full_SkYUVColorSpace); |
| SkColorType colorTypes[] = {kAlpha_8_SkColorType, |
| kAlpha_8_SkColorType, |
| kAlpha_8_SkColorType}; |
| SkYUVAPixmapInfo pmapInfo(yuvaInfo, colorTypes, nullptr); |
| fPixmaps = SkYUVAPixmaps::Allocate(pmapInfo); |
| |
| unsigned char innerY[16] = {149, 160, 130, 105, |
| 160, 130, 105, 149, |
| 130, 105, 149, 160, |
| 105, 149, 160, 130}; |
| unsigned char innerU[4] = {43, 75, 145, 200}; |
| unsigned char innerV[4] = {88, 180, 200, 43}; |
| int outerYUV[] = {128, 128, 128}; |
| SkBitmap bitmaps[3]; |
| for (int i = 0; i < 3; ++i) { |
| bitmaps[i].installPixels(fPixmaps.plane(i)); |
| bitmaps[i].eraseColor(SkColorSetARGB(outerYUV[i], 0, 0, 0)); |
| } |
| SkPixmap innerYPM(SkImageInfo::MakeA8(4, 4), innerY, 4); |
| SkPixmap innerUPM(SkImageInfo::MakeA8(2, 2), innerU, 2); |
| SkPixmap innerVPM(SkImageInfo::MakeA8(2, 2), innerV, 2); |
| bitmaps[0].writePixels(innerYPM, 2, 2); |
| bitmaps[1].writePixels(innerUPM, 1, 1); |
| bitmaps[2].writePixels(innerVPM, 1, 1); |
| } |
| |
| DrawResult onGpuSetup(GrDirectContext* context, SkString* errorMsg) override { |
| if (!context) { |
| return DrawResult::kSkip; |
| } |
| if (!fPixmaps.isValid()) { |
| this->makePixmaps(); |
| } |
| GrSurfaceProxyView views[SkYUVAInfo::kMaxPlanes]; |
| GrColorType colorTypes[SkYUVAInfo::kMaxPlanes]; |
| for (int i = 0; i < fPixmaps.numPlanes(); ++i) { |
| SkBitmap bitmap; |
| bitmap.installPixels(fPixmaps.plane(i)); |
| bitmap.setImmutable(); |
| views[i] = std::get<0>(GrMakeCachedBitmapProxyView(context, bitmap, GrMipmapped::kNo)); |
| if (!views[i]) { |
| *errorMsg = "Failed to create proxy"; |
| return context->abandoned() ? DrawResult::kSkip : DrawResult::kFail; |
| } |
| colorTypes[i] = SkColorTypeToGrColorType(bitmap.colorType()); |
| } |
| fProxies = GrYUVATextureProxies(fPixmaps.yuvaInfo(), views, colorTypes); |
| if (!fProxies.isValid()) { |
| *errorMsg = "Failed to create GrYUVATextureProxies"; |
| return DrawResult::kFail; |
| } |
| return DrawResult::kOk; |
| } |
| |
| void onGpuTeardown() override { fProxies = {}; } |
| |
| DrawResult onDraw(GrRecordingContext* rContext, |
| SkCanvas* canvas, |
| SkString* errorMsg) override { |
| auto sdc = SkCanvasPriv::TopDeviceSurfaceDrawContext(canvas); |
| if (!sdc) { |
| *errorMsg = kErrorMsg_DrawSkippedGpuOnly; |
| return DrawResult::kSkip; |
| } |
| |
| static const GrSamplerState::Filter kFilters[] = {GrSamplerState::Filter::kNearest, |
| GrSamplerState::Filter::kLinear}; |
| static const SkRect kColorRect = SkRect::MakeLTRB(2.f, 2.f, 6.f, 6.f); |
| |
| // Outset to visualize wrap modes. |
| SkRect rect = SkRect::Make(fProxies.yuvaInfo().dimensions()); |
| rect = rect.makeOutset(fProxies.yuvaInfo().width()/2.f, fProxies.yuvaInfo().height()/2.f); |
| |
| SkScalar y = kTestPad; |
| // Rows are filter modes. |
| for (uint32_t i = 0; i < SK_ARRAY_COUNT(kFilters); ++i) { |
| SkScalar x = kTestPad; |
| // Columns are non-subsetted followed by subsetted with each WrapMode in a row |
| for (uint32_t j = 0; j < GrSamplerState::kWrapModeCount + 1; ++j) { |
| SkMatrix ctm = SkMatrix::Translate(x, y); |
| ctm.postScale(10.f, 10.f); |
| |
| const SkRect* subset = j > 0 ? &kColorRect : nullptr; |
| |
| GrSamplerState samplerState; |
| samplerState.setFilterMode(kFilters[i]); |
| if (j > 0) { |
| auto wm = static_cast<GrSamplerState::WrapMode>(j - 1); |
| samplerState.setWrapModeX(wm); |
| samplerState.setWrapModeY(wm); |
| } |
| const auto& caps = *rContext->priv().caps(); |
| std::unique_ptr<GrFragmentProcessor> fp = |
| GrYUVtoRGBEffect::Make(fProxies, samplerState, caps, SkMatrix::I(), subset); |
| if (fp) { |
| GrPaint grPaint; |
| grPaint.setColorFragmentProcessor(std::move(fp)); |
| sdc->drawRect(nullptr, std::move(grPaint), GrAA::kYes, ctm, rect); |
| } |
| x += rect.width() + kTestPad; |
| } |
| |
| y += rect.height() + kTestPad; |
| } |
| |
| return DrawResult::kOk; |
| } |
| |
| private: |
| SkYUVAPixmaps fPixmaps; |
| GrYUVATextureProxies fProxies; |
| |
| static constexpr SkScalar kTestPad = 10.f; |
| |
| using INHERITED = GM; |
| }; |
| |
| DEF_GM(return new YUVtoRGBSubsetEffect;) |
| } // namespace skiagm |