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 "GrRenderTargetContextPriv.h" 16 #include "GrTextureProxy.h" 17 #include "SkBitmap.h" 18 #include "SkGr.h" 19 #include "SkGradientShader.h" 20 #include "effects/GrYUVEffect.h" 21 #include "ops/GrDrawOp.h" 22 #include "ops/GrRectOpFactory.h" 23 24 #define YSIZE 8 25 #define USIZE 4 26 #define VSIZE 4 27 28 namespace skiagm { 29 /** 30 * This GM directly exercises GrYUVtoRGBEffect. 31 */ 32 class YUVtoRGBEffect : public GM { 33 public: 34 YUVtoRGBEffect() { 35 this->setBGColor(0xFFFFFFFF); 36 } 37 38 protected: 39 SkString onShortName() override { 40 return SkString("yuv_to_rgb_effect"); 41 } 42 43 SkISize onISize() override { 44 return SkISize::Make(238, 120); 45 } 46 47 void onOnceBeforeDraw() override { 48 SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE); 49 fBmp[0].allocPixels(yinfo); 50 SkImageInfo uinfo = SkImageInfo::MakeA8(USIZE, USIZE); 51 fBmp[1].allocPixels(uinfo); 52 SkImageInfo vinfo = SkImageInfo::MakeA8(VSIZE, VSIZE); 53 fBmp[2].allocPixels(vinfo); 54 unsigned char* pixels[3]; 55 for (int i = 0; i < 3; ++i) { 56 pixels[i] = (unsigned char*)fBmp[i].getPixels(); 57 } 58 int color[] = {0, 85, 170}; 59 const int limit[] = {255, 0, 255}; 60 const int invl[] = {0, 255, 0}; 61 const int inc[] = {1, -1, 1}; 62 for (int i = 0; i < 3; ++i) { 63 const size_t nbBytes = fBmp[i].rowBytes() * fBmp[i].height(); 64 for (size_t j = 0; j < nbBytes; ++j) { 65 pixels[i][j] = (unsigned char)color[i]; 66 color[i] = (color[i] == limit[i]) ? invl[i] : color[i] + inc[i]; 67 } 68 } 69 } 70 71 void onDraw(SkCanvas* canvas) override { 72 GrRenderTargetContext* renderTargetContext = 73 canvas->internal_private_accessTopLayerRenderTargetContext(); 74 if (!renderTargetContext) { 75 skiagm::GM::DrawGpuOnlyMessage(canvas); 76 return; 77 } 78 79 GrContext* context = canvas->getGrContext(); 80 if (!context) { 81 return; 82 } 83 84 sk_sp<GrTextureProxy> proxy[3]; 85 86 { 87 GrSurfaceDesc desc; 88 desc.fOrigin = kTopLeft_GrSurfaceOrigin; 89 90 for (int i = 0; i < 3; ++i) { 91 desc.fWidth = fBmp[i].width(); 92 desc.fHeight = fBmp[i].height(); 93 desc.fConfig = SkImageInfo2GrPixelConfig(fBmp[i].info(), *context->caps()); 94 95 proxy[i] = GrSurfaceProxy::MakeDeferred(context->resourceProvider(), 96 desc, SkBudgeted::kYes, 97 fBmp[i].getPixels(), fBmp[i].rowBytes()); 98 if (!proxy[i]) { 99 return; 100 } 101 } 102 } 103 104 constexpr SkScalar kDrawPad = 10.f; 105 constexpr SkScalar kTestPad = 10.f; 106 constexpr SkScalar kColorSpaceOffset = 36.f; 107 SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}}; 108 109 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) { 110 SkRect renderRect = SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), 111 SkIntToScalar(fBmp[0].height())); 112 renderRect.outset(kDrawPad, kDrawPad); 113 114 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset; 115 SkScalar x = kDrawPad + kTestPad; 116 117 const int indices[6][3] = {{0, 1, 2}, {0, 2, 1}, {1, 0, 2}, 118 {1, 2, 0}, {2, 0, 1}, {2, 1, 0}}; 119 120 for (int i = 0; i < 6; ++i) { 121 sk_sp<GrFragmentProcessor> fp( 122 GrYUVEffect::MakeYUVToRGB(context->resourceProvider(), 123 proxy[indices[i][0]], 124 proxy[indices[i][1]], 125 proxy[indices[i][2]], 126 sizes, 127 static_cast<SkYUVColorSpace>(space), 128 false)); 129 if (fp) { 130 GrPaint grPaint; 131 grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); 132 grPaint.addColorFragmentProcessor(std::move(fp)); 133 SkMatrix viewMatrix; 134 viewMatrix.setTranslate(x, y); 135 std::unique_ptr<GrMeshDrawOp> op(GrRectOpFactory::MakeNonAAFill( 136 GrColor_WHITE, viewMatrix, renderRect, nullptr, nullptr)); 137 renderTargetContext->priv().testingOnly_addMeshDrawOp( 138 std::move(grPaint), GrAAType::kNone, std::move(op)); 139 } 140 x += renderRect.width() + kTestPad; 141 } 142 } 143 } 144 145 private: 146 SkBitmap fBmp[3]; 147 148 typedef GM INHERITED; 149 }; 150 151 DEF_GM(return new YUVtoRGBEffect;) 152 153 ////////////////////////////////////////////////////////////////////////////// 154 155 class YUVNV12toRGBEffect : public GM { 156 public: 157 YUVNV12toRGBEffect() { 158 this->setBGColor(0xFFFFFFFF); 159 } 160 161 protected: 162 SkString onShortName() override { 163 return SkString("yuv_nv12_to_rgb_effect"); 164 } 165 166 SkISize onISize() override { 167 return SkISize::Make(48, 120); 168 } 169 170 void onOnceBeforeDraw() override { 171 SkImageInfo yinfo = SkImageInfo::MakeA8(YSIZE, YSIZE); 172 fBmp[0].allocPixels(yinfo); 173 SkImageInfo uvinfo = SkImageInfo::MakeN32Premul(USIZE, USIZE); 174 fBmp[1].allocPixels(uvinfo); 175 int color[] = {0, 85, 170}; 176 const int limit[] = {255, 0, 255}; 177 const int invl[] = {0, 255, 0}; 178 const int inc[] = {1, -1, 1}; 179 180 { 181 unsigned char* pixels = (unsigned char*)fBmp[0].getPixels(); 182 const size_t nbBytes = fBmp[0].rowBytes() * fBmp[0].height(); 183 for (size_t j = 0; j < nbBytes; ++j) { 184 pixels[j] = (unsigned char)color[0]; 185 color[0] = (color[0] == limit[0]) ? invl[0] : color[0] + inc[0]; 186 } 187 } 188 189 { 190 for (int y = 0; y < fBmp[1].height(); ++y) { 191 uint32_t* pixels = fBmp[1].getAddr32(0, y); 192 for (int j = 0; j < fBmp[1].width(); ++j) { 193 pixels[j] = SkColorSetARGB(0, color[1], color[2], 0); 194 color[1] = (color[1] == limit[1]) ? invl[1] : color[1] + inc[1]; 195 color[2] = (color[2] == limit[2]) ? invl[2] : color[2] + inc[2]; 196 } 197 } 198 } 199 } 200 201 void onDraw(SkCanvas* canvas) override { 202 GrRenderTargetContext* renderTargetContext = 203 canvas->internal_private_accessTopLayerRenderTargetContext(); 204 if (!renderTargetContext) { 205 skiagm::GM::DrawGpuOnlyMessage(canvas); 206 return; 207 } 208 209 GrContext* context = canvas->getGrContext(); 210 if (!context) { 211 return; 212 } 213 214 sk_sp<GrTextureProxy> proxy[3]; 215 216 { 217 GrSurfaceDesc desc; 218 desc.fOrigin = kTopLeft_GrSurfaceOrigin; 219 220 for (int i = 0; i < 3; ++i) { 221 int index = (0 == i) ? 0 : 1; 222 223 desc.fWidth = fBmp[index].width(); 224 desc.fHeight = fBmp[index].height(); 225 desc.fConfig = SkImageInfo2GrPixelConfig(fBmp[index].info(), *context->caps()); 226 227 proxy[i] = GrSurfaceProxy::MakeDeferred(context->resourceProvider(), 228 desc, SkBudgeted::kYes, 229 fBmp[index].getPixels(), 230 fBmp[index].rowBytes()); 231 if (!proxy[i]) { 232 return; 233 } 234 } 235 } 236 237 constexpr SkScalar kDrawPad = 10.f; 238 constexpr SkScalar kTestPad = 10.f; 239 constexpr SkScalar kColorSpaceOffset = 36.f; 240 SkISize sizes[3] = {{YSIZE, YSIZE}, {USIZE, USIZE}, {VSIZE, VSIZE}}; 241 242 for (int space = kJPEG_SkYUVColorSpace; space <= kLastEnum_SkYUVColorSpace; ++space) { 243 SkRect renderRect = 244 SkRect::MakeWH(SkIntToScalar(fBmp[0].width()), SkIntToScalar(fBmp[0].height())); 245 renderRect.outset(kDrawPad, kDrawPad); 246 247 SkScalar y = kDrawPad + kTestPad + space * kColorSpaceOffset; 248 SkScalar x = kDrawPad + kTestPad; 249 250 GrPaint grPaint; 251 grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); 252 sk_sp<GrFragmentProcessor> fp( 253 GrYUVEffect::MakeYUVToRGB(context->resourceProvider(), 254 proxy[0], proxy[1], proxy[2], sizes, 255 static_cast<SkYUVColorSpace>(space), true)); 256 if (fp) { 257 SkMatrix viewMatrix; 258 viewMatrix.setTranslate(x, y); 259 grPaint.addColorFragmentProcessor(fp); 260 std::unique_ptr<GrMeshDrawOp> op(GrRectOpFactory::MakeNonAAFill( 261 GrColor_WHITE, viewMatrix, renderRect, nullptr, nullptr)); 262 renderTargetContext->priv().testingOnly_addMeshDrawOp( 263 std::move(grPaint), GrAAType::kNone, std::move(op)); 264 } 265 } 266 } 267 268 private: 269 SkBitmap fBmp[2]; 270 271 typedef GM INHERITED; 272 }; 273 274 DEF_GM(return new YUVNV12toRGBEffect;) 275 } 276 277 #endif 278
