1 /* 2 * Copyright 2019 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "gm/gm.h" 9 #include "include/core/SkCanvas.h" 10 #include "include/core/SkPaint.h" 11 #include "include/gpu/ganesh/GrRecordingContext.h" 12 #include "src/core/SkCachedData.h" 13 #include "src/image/SkImage_Base.h" 14 #include "tools/DecodeUtils.h" 15 #include "tools/Resources.h" 16 #include "tools/ToolUtils.h" 17 #include "tools/gpu/YUVUtils.h" 18 19 // Modeled on the layout test css3/blending/background-blend-mode-image-image.html to reproduce 20 // skbug.com/9619 21 DEF_SIMPLE_GM_CAN_FAIL(ducky_yuv_blend, canvas, errorMsg, 560, 1130) { 22 sk_sp<SkImage> duckyBG = ToolUtils::GetResourceAsImage("images/ducky.png"); 23 sk_sp<SkImage> duckyFG[2] = {ToolUtils::GetResourceAsImage("images/ducky.jpg"), nullptr}; 24 if (!duckyFG[0] || !duckyBG) { 25 *errorMsg = "Image(s) failed to load."; 26 return skiagm::DrawResult::kFail; 27 } 28 29 // If we're on the GPU we do a second round of draws where the source image is YUV planes. 30 // Otherwise we just draw the original again, 31 if (auto* rContext = canvas->recordingContext(); rContext && !rContext->abandoned()) { 32 auto lazyYUV = sk_gpu_test::LazyYUVImage::Make(GetResourceAsData("images/ducky.jpg"), 33 skgpu::Mipmapped::kYes); 34 if (lazyYUV) { 35 duckyFG[1] = lazyYUV->refImage(rContext, sk_gpu_test::LazyYUVImage::Type::kFromPixmaps); 36 } 37 if (!duckyFG[1]) { 38 return skiagm::DrawResult::kFail; 39 } 40 } else { 41 duckyFG[1] = duckyFG[0]; 42 } 43 44 static constexpr int kNumPerRow = 4; 45 static constexpr int kPad = 10; 46 static constexpr auto kDstRect = SkRect::MakeWH(130, 130); 47 int rowCnt = 0; 48 canvas->translate(kPad, kPad); 49 canvas->save(); __anon6bb07ed90102null50 auto newRow = [&] { 51 canvas->restore(); 52 canvas->translate(0, kDstRect.height() + kPad); 53 canvas->save(); 54 rowCnt = 0; 55 }; 56 SkSamplingOptions sampling(SkFilterMode::kLinear, 57 SkMipmapMode::kNearest); 58 ToolUtils::draw_checkerboard( 59 canvas, SK_ColorDKGRAY, SK_ColorLTGRAY, (kDstRect.height() + kPad)/5); 60 for (auto& fg : duckyFG) { 61 for (int bm = static_cast<int>(SkBlendMode::kLastCoeffMode) + 1; 62 bm < static_cast<int>(SkBlendMode::kLastMode); 63 ++bm) { 64 canvas->drawImageRect(duckyBG, kDstRect, sampling, nullptr); 65 SkPaint paint; 66 paint.setBlendMode(static_cast<SkBlendMode>(bm)); 67 canvas->drawImageRect(fg, kDstRect, sampling, &paint); 68 canvas->translate(kDstRect.width() + kPad, 0); 69 if (++rowCnt == kNumPerRow) { 70 newRow(); 71 } 72 } 73 // Force a new row between the two foreground images 74 newRow(); 75 } 76 canvas->restore(); 77 return skiagm::DrawResult::kOk; 78 } 79
