1 /* 2 * Copyright 2014 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 // This test only works with the GPU backend. 9 10 #include "gm.h" 11 12 #if SK_SUPPORT_GPU 13 14 #include "GrContext.h" 15 #include "GrContextPriv.h" 16 #include "GrProxyProvider.h" 17 #include "GrRenderTargetContextPriv.h" 18 #include "GrTextureProxy.h" 19 #include "SkBitmap.h" 20 #include "SkGr.h" 21 #include "SkGradientShader.h" 22 #include "effects/GrYUVtoRGBEffect.h" 23 #include "ops/GrDrawOp.h" 24 #include "ops/GrRectOpFactory.h" 25 26 #define YSIZE 8 27 #define USIZE 4 28 #define VSIZE 4 29 30 namespace skiagm { 31 /** 32 * This GM directly exercises GrYUVtoRGBEffect. 33 */ 34 class YUVtoRGBEffect : public GM { 35 public: 36 YUVtoRGBEffect() { 37 this->setBGColor(0xFFFFFFFF); 38 } 39 40 protected: 41 SkString onShortName() override { 42 return SkString("yuv_to_rgb_effect"); 43 } 44 45 SkISize onISize() override { 46 return SkISize::Make(238, 120); 47 } 48 49 void onOnceBeforeDraw() override { 50 SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE); 51 fBmp[0].allocPixels(yinfo); 52 SkImageInfo uinfo = SkImageInfo::MakeA8(USIZE, USIZE); 53 fBmp[1].allocPixels(uinfo); 54 SkImageInfo vinfo = SkImageInfo::MakeA8(VSIZE, VSIZE); 55 fBmp[2].allocPixels(vinfo); 56 unsigned char* pixels[3]; 57 for (int i = 0; i < 3; ++i) { 58 pixels[i] = (unsigned char*)fBmp[i].getPixels(); 59 } 60 int color[] = {0, 85, 170}; 61 const int limit[] = {255, 0, 255}; 62 const int invl[] = {0, 255, 0}; 63 const int inc[] = {1, -1, 1}; 64 for (int i = 0; i < 3; ++i) { 65 const size_t nbBytes = fBmp[i].rowBytes() * fBmp[i].height(); 66 for (size_t j = 0; j < nbBytes; ++j) { 67 pixels[i][j] = (unsigned char)color[i]; 68 color[i] = (color[i] == limit[i]) ? invl[i] : color[i] + inc[i]; 69 } 70 } 71 } 72 73 void onDraw(SkCanvas* canvas) override { 74 GrRenderTargetContext* renderTargetContext = 75 canvas->internal_private_accessTopLayerRenderTargetContext(); 76 if (!renderTargetContext) { 77 skiagm::GM::DrawGpuOnlyMessage(canvas); 78 return; 79 } 80 81 GrContext* context = canvas->getGrContext(); 82 if (!context) { 83 return; 84 } 85 86 GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider(); 87 sk_sp<GrTextureProxy> proxy[3]; 88 89 { 90 GrSurfaceDesc desc; 91 desc.fOrigin = kTopLeft_GrSurfaceOrigin; 92 93 for (int i = 0; i < 3; ++i) { 94 desc.fWidth = fBmp[i].width(); 95 desc.fHeight = fBmp[i].height(); 96 desc.fConfig = SkImageInfo2GrPixelConfig(fBmp[i].info(), *context->caps()); 97 98 proxy[i] = proxyProvider->createTextureProxy(desc, SkBudgeted::kYes, 99 fBmp[i].getPixels(), 100 fBmp[i].rowBytes()); 101 if (!proxy[i]) { 102 return; 103 } 104 } 105 } 106 107 constexpr SkScalar kDrawPad = 10.f; 108 constexpr SkScalar kTestPad = 10.f; 109 constexpr SkScalar kColorSpaceOffset = 36.f; 110 SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}}; 111 112 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) { 113 SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), 114 SkIntToScalar(fBmp[0].height())); 115 renderRect.outset(kDrawPad, kDrawPad); 116 117 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset; 118 SkScalar x = kDrawPad + kTestPad; 119 120 const int indices[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2}, 121 {1, 2, 0}, {2, 0, 1}, {2, 1, 0}}; 122 123 for (int i = 0; i < 6; ++i) { 124 std::unique_ptr<GrFragmentProcessor> fp( 125 GrYUVtoRGBEffect::Make(proxy[indices[i][0]], 126 proxy[indices[i][1]], 127 proxy[indices[i][2]], 128 sizes, 129 static_cast<SkYUVColorSpace>(space), 130 false)); 131 if (fp) { 132 GrPaint grPaint; 133 grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); 134 grPaint.addColorFragmentProcessor(std::move(fp)); 135 SkMatrix viewMatrix; 136 viewMatrix.setTranslate(x, y); 137 renderTargetContext->priv().testingOnly_addDrawOp( 138 GrRectOpFactory::MakeNonAAFill(std::move(grPaint), viewMatrix, 139 renderRect, GrAAType::kNone)); 140 } 141 x += renderRect.width() + kTestPad; 142 } 143 } 144 } 145 146 private: 147 SkBitmap fBmp[3]; 148 149 typedef GM INHERITED; 150 }; 151 152 DEF_GM(return new YUVtoRGBEffect;) 153 154 ////////////////////////////////////////////////////////////////////////////// 155 156 class YUVNV12toRGBEffect : public GM { 157 public: 158 YUVNV12toRGBEffect() { 159 this->setBGColor(0xFFFFFFFF); 160 } 161 162 protected: 163 SkString onShortName() override { 164 return SkString("yuv_nv12_to_rgb_effect"); 165 } 166 167 SkISize onISize() override { 168 return SkISize::Make(48, 120); 169 } 170 171 void onOnceBeforeDraw() override { 172 SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE); 173 fBmp[0].allocPixels(yinfo); 174 SkImageInfo uvinfo = SkImageInfo::MakeN32Premul(USIZE, USIZE); 175 fBmp[1].allocPixels(uvinfo); 176 int color[] = {0, 85, 170}; 177 const int limit[] = {255, 0, 255}; 178 const int invl[] = {0, 255, 0}; 179 const int inc[] = {1, -1, 1}; 180 181 { 182 unsigned char* pixels = (unsigned char*)fBmp[0].getPixels(); 183 const size_t nbBytes = fBmp[0].rowBytes() * fBmp[0].height(); 184 for (size_t j = 0; j < nbBytes; ++j) { 185 pixels[j] = (unsigned char)color[0]; 186 color[0] = (color[0] == limit[0]) ? invl[0] : color[0] + inc[0]; 187 } 188 } 189 190 { 191 for (int y = 0; y < fBmp[1].height(); ++y) { 192 uint32_t* pixels = fBmp[1].getAddr32(0, y); 193 for (int j = 0; j < fBmp[1].width(); ++j) { 194 pixels[j] = SkColorSetARGB(0, color[1], color[2], 0); 195 color[1] = (color[1] == limit[1]) ? invl[1] : color[1] + inc[1]; 196 color[2] = (color[2] == limit[2]) ? invl[2] : color[2] + inc[2]; 197 } 198 } 199 } 200 } 201 202 void onDraw(SkCanvas* canvas) override { 203 GrRenderTargetContext* renderTargetContext = 204 canvas->internal_private_accessTopLayerRenderTargetContext(); 205 if (!renderTargetContext) { 206 skiagm::GM::DrawGpuOnlyMessage(canvas); 207 return; 208 } 209 210 GrContext* context = canvas->getGrContext(); 211 if (!context) { 212 return; 213 } 214 215 GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider(); 216 sk_sp<GrTextureProxy> proxy[3]; 217 218 { 219 GrSurfaceDesc desc; 220 desc.fOrigin = kTopLeft_GrSurfaceOrigin; 221 222 for (int i = 0; i < 3; ++i) { 223 int index = (0 == i) ? 0 : 1; 224 225 desc.fWidth = fBmp[index].width(); 226 desc.fHeight = fBmp[index].height(); 227 desc.fConfig = SkImageInfo2GrPixelConfig(fBmp[index].info(), *context->caps()); 228 229 proxy[i] = proxyProvider->createTextureProxy(desc, SkBudgeted::kYes, 230 fBmp[index].getPixels(), 231 fBmp[index].rowBytes()); 232 if (!proxy[i]) { 233 return; 234 } 235 } 236 } 237 238 constexpr SkScalar kDrawPad = 10.f; 239 constexpr SkScalar kTestPad = 10.f; 240 constexpr SkScalar kColorSpaceOffset = 36.f; 241 SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}}; 242 243 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) { 244 SkRect renderRect = 245 SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), SkIntToScalar(fBmp[0].height())); 246 renderRect.outset(kDrawPad, kDrawPad); 247 248 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset; 249 SkScalar x = kDrawPad + kTestPad; 250 251 GrPaint grPaint; 252 grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); 253 auto fp = GrYUVtoRGBEffect::Make(proxy[0], proxy[1], proxy[2], sizes, 254 static_cast<SkYUVColorSpace>(space), true); 255 if (fp) { 256 SkMatrix viewMatrix; 257 viewMatrix.setTranslate(x, y); 258 grPaint.addColorFragmentProcessor(std::move(fp)); 259 std::unique_ptr<GrDrawOp> op(GrRectOpFactory::MakeNonAAFill( 260 std::move(grPaint), viewMatrix, renderRect, GrAAType::kNone)); 261 renderTargetContext->priv().testingOnly_addDrawOp(std::move(op)); 262 } 263 } 264 } 265 266 private: 267 SkBitmap fBmp[2]; 268 269 typedef GM INHERITED; 270 }; 271 272 DEF_GM(return new YUVNV12toRGBEffect;) 273 } 274 275 #endif 276
