1 /* 2 * Copyright 2019 Google LLC. 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/SkBitmap.h" 10 #include "include/core/SkCanvas.h" 11 #include "include/core/SkImageInfo.h" 12 #include "include/core/SkMatrix.h" 13 #include "include/core/SkRect.h" 14 #include "include/core/SkTypes.h" 15 #include "src/core/SkCanvasPriv.h" 16 #include "src/gpu/ganesh/GrCanvas.h" 17 #include "src/gpu/ganesh/GrFragmentProcessor.h" 18 #include "src/gpu/ganesh/SkGr.h" 19 #include "src/gpu/ganesh/SurfaceFillContext.h" 20 #include "src/gpu/ganesh/effects/GrTextureEffect.h" 21 #include "tools/DecodeUtils.h" 22 #include "tools/Resources.h" 23 24 DEF_SIMPLE_GPU_GM(swizzle, rContext, canvas, 512, 512) { 25 auto sfc = skgpu::ganesh::TopDeviceSurfaceFillContext(canvas); 26 if (!sfc) { 27 return; 28 } 29 30 SkBitmap bmp; 31 ToolUtils::GetResourceAsBitmap("images/mandrill_512_q075.jpg", &bmp); 32 auto view = std::get<0>(GrMakeCachedBitmapProxyView( 33 rContext, bmp, /*label=*/"Gm_Swizzle", skgpu::Mipmapped::kNo)); 34 if (!view) { 35 return; 36 } 37 std::unique_ptr<GrFragmentProcessor> imgFP = 38 GrTextureEffect::Make(std::move(view), bmp.alphaType(), SkMatrix()); 39 auto fp = GrFragmentProcessor::SwizzleOutput(std::move(imgFP), skgpu::Swizzle("grb1")); 40 41 sfc->fillWithFP(std::move(fp)); 42 } 43
