Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 "Benchmark.h" |
| 9 | |
| 10 | #include "GrContext.h" |
| 11 | #include "GrContextPriv.h" |
| 12 | #include "GrGeometryProcessor.h" |
| 13 | #include "GrMemoryPool.h" |
| 14 | #include "GrRenderTargetContext.h" |
| 15 | #include "GrRenderTargetContextPriv.h" |
Mike Klein | e28a6b5 | 2018-07-25 13:05:17 -0400 | [diff] [blame] | 16 | #include "SkColorSpacePriv.h" |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 17 | #include "SkGr.h" |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 18 | #include "SkHalf.h" |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 19 | #include "SkString.h" |
| 20 | #include "glsl/GrGLSLColorSpaceXformHelper.h" |
| 21 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 22 | #include "glsl/GrGLSLGeometryProcessor.h" |
| 23 | #include "glsl/GrGLSLVarying.h" |
| 24 | #include "glsl/GrGLSLVertexGeoBuilder.h" |
| 25 | #include "ops/GrMeshDrawOp.h" |
| 26 | |
| 27 | namespace { |
| 28 | |
| 29 | enum Mode { |
| 30 | kBaseline_Mode, // Do the wrong thing, but quickly. |
| 31 | kFloat_Mode, // Transform colors on CPU, use float4 attributes. |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 32 | kHalf_Mode, // Transform colors on CPU, use half4 attributes. |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 33 | kShader_Mode, // Use ubyte4 attributes, transform colors on GPU (vertex shader). |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 34 | kShort_Mode, // Transform on CPU, use short4 (4.12) attributes with a bit of shader math. |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 35 | }; |
| 36 | |
| 37 | class GP : public GrGeometryProcessor { |
| 38 | public: |
| 39 | GP(Mode mode, sk_sp<GrColorSpaceXform> colorSpaceXform) |
| 40 | : INHERITED(kVertexColorSpaceBenchGP_ClassID) |
| 41 | , fMode(mode) |
| 42 | , fColorSpaceXform(std::move(colorSpaceXform)) { |
Brian Osman | d4c2970 | 2018-09-14 16:16:55 -0400 | [diff] [blame] | 43 | fInPosition = {"inPosition", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 44 | switch (fMode) { |
| 45 | case kBaseline_Mode: |
| 46 | case kShader_Mode: |
| 47 | fInColor = {"inColor", kUByte4_norm_GrVertexAttribType, kHalf4_GrSLType}; |
| 48 | break; |
| 49 | case kFloat_Mode: |
| 50 | fInColor = {"inColor", kFloat4_GrVertexAttribType, kHalf4_GrSLType}; |
| 51 | break; |
| 52 | case kHalf_Mode: |
| 53 | fInColor = {"inColor", kHalf4_GrVertexAttribType, kHalf4_GrSLType}; |
| 54 | break; |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 55 | case kShort_Mode: |
| 56 | fInColor = {"inColor", kShort4_GrVertexAttribType, kFloat4_GrSLType}; |
| 57 | break; |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 58 | } |
| 59 | this->setVertexAttributeCnt(2); |
| 60 | } |
| 61 | const char* name() const override { return "VertexColorXformGP"; } |
| 62 | |
| 63 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override { |
| 64 | class GLSLGP : public GrGLSLGeometryProcessor { |
| 65 | public: |
| 66 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
| 67 | const GP& gp = args.fGP.cast<GP>(); |
| 68 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
| 69 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 70 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
| 71 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
| 72 | |
| 73 | varyingHandler->emitAttributes(gp); |
| 74 | |
| 75 | // Setup color |
| 76 | GrGLSLVarying varying(kHalf4_GrSLType); |
| 77 | varyingHandler->addVarying("color", &varying); |
| 78 | vertBuilder->codeAppendf("half4 color = %s;", gp.fInColor.name()); |
| 79 | |
| 80 | if (kShader_Mode == gp.fMode) { |
| 81 | fColorSpaceHelper.emitCode(uniformHandler, gp.fColorSpaceXform.get(), |
| 82 | kVertex_GrShaderFlag); |
| 83 | SkString xformedColor; |
| 84 | vertBuilder->appendColorGamutXform(&xformedColor, "color", &fColorSpaceHelper); |
| 85 | vertBuilder->codeAppendf("color = %s;", xformedColor.c_str()); |
| 86 | vertBuilder->codeAppend("color = half4(color.rgb * color.a, color.a);"); |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 87 | } else if (kShort_Mode == gp.fMode) { |
| 88 | vertBuilder->codeAppend("color = color * (1 / 4096.0);"); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | vertBuilder->codeAppendf("%s = color;", varying.vsOut()); |
| 92 | fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, varying.fsIn()); |
| 93 | |
| 94 | // Position |
| 95 | this->writeOutputPosition(args.fVertBuilder, gpArgs, gp.fInPosition.name()); |
| 96 | |
| 97 | // Coverage |
| 98 | fragBuilder->codeAppendf("%s = half4(1);", args.fOutputCoverage); |
| 99 | } |
| 100 | void setData(const GrGLSLProgramDataManager& pdman, |
| 101 | const GrPrimitiveProcessor& primProc, |
| 102 | FPCoordTransformIter&&) override { |
| 103 | const GP& gp = primProc.cast<GP>(); |
| 104 | fColorSpaceHelper.setData(pdman, gp.fColorSpaceXform.get()); |
| 105 | } |
| 106 | |
| 107 | GrGLSLColorSpaceXformHelper fColorSpaceHelper; |
| 108 | }; |
| 109 | return new GLSLGP(); |
| 110 | } |
| 111 | |
| 112 | void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| 113 | b->add32(fMode); |
| 114 | b->add32(GrColorSpaceXform::XformKey(fColorSpaceXform.get())); |
| 115 | } |
| 116 | |
| 117 | private: |
| 118 | const GrPrimitiveProcessor::Attribute& onVertexAttribute(int i) const override { |
| 119 | return IthAttribute(i, fInPosition, fInColor); |
| 120 | } |
| 121 | |
| 122 | Mode fMode; |
| 123 | sk_sp<GrColorSpaceXform> fColorSpaceXform; |
| 124 | |
| 125 | Attribute fInPosition; |
| 126 | Attribute fInColor; |
| 127 | |
| 128 | typedef GrGeometryProcessor INHERITED; |
| 129 | }; |
| 130 | |
| 131 | class Op : public GrMeshDrawOp { |
| 132 | public: |
| 133 | DEFINE_OP_CLASS_ID |
| 134 | |
| 135 | const char* name() const override { return "VertColorXformOp"; } |
| 136 | |
| 137 | Op(GrColor color) |
| 138 | : INHERITED(ClassID()) |
| 139 | , fMode(kBaseline_Mode) |
| 140 | , fColor(color) { |
| 141 | this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| 142 | } |
| 143 | |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 144 | Op(GrColor4f color4f, Mode mode) |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 145 | : INHERITED(ClassID()) |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 146 | , fMode(mode) |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 147 | , fColor4f(color4f) { |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 148 | SkASSERT(kFloat_Mode == fMode || kHalf_Mode == mode || kShort_Mode == mode); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 149 | this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| 150 | } |
| 151 | |
| 152 | Op(GrColor color, sk_sp<GrColorSpaceXform> colorSpaceXform) |
| 153 | : INHERITED(ClassID()) |
| 154 | , fMode(kShader_Mode) |
| 155 | , fColor(color) |
| 156 | , fColorSpaceXform(std::move(colorSpaceXform)) { |
| 157 | this->setBounds(SkRect::MakeWH(100.f, 100.f), HasAABloat::kNo, IsZeroArea::kNo); |
| 158 | } |
| 159 | |
| 160 | FixedFunctionFlags fixedFunctionFlags() const override { |
| 161 | return FixedFunctionFlags::kNone; |
| 162 | } |
| 163 | |
| 164 | RequiresDstTexture finalize(const GrCaps&, const GrAppliedClip*) override { |
| 165 | return RequiresDstTexture::kNo; |
| 166 | } |
| 167 | |
| 168 | private: |
| 169 | friend class ::GrOpMemoryPool; |
| 170 | |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 171 | void onPrepareDraws(Target* target) override { |
| 172 | sk_sp<GrGeometryProcessor> gp(new GP(fMode, fColorSpaceXform)); |
| 173 | |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 174 | size_t vertexStride = sizeof(SkPoint); |
| 175 | switch (fMode) { |
| 176 | case kFloat_Mode: |
| 177 | vertexStride += sizeof(GrColor4f); |
| 178 | break; |
| 179 | case kHalf_Mode: |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 180 | case kShort_Mode: |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 181 | vertexStride += sizeof(uint64_t); |
| 182 | break; |
| 183 | default: |
| 184 | vertexStride += sizeof(uint32_t); |
| 185 | } |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 186 | SkASSERT(vertexStride == gp->debugOnly_vertexStride()); |
| 187 | |
| 188 | const int kVertexCount = 1024; |
| 189 | const GrBuffer* vertexBuffer = nullptr; |
| 190 | int firstVertex = 0; |
| 191 | void* verts = target->makeVertexSpace(vertexStride, kVertexCount, &vertexBuffer, |
| 192 | &firstVertex); |
| 193 | if (!verts) { |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | const float dx = 100.0f / kVertexCount; |
| 198 | if (kFloat_Mode == fMode) { |
| 199 | struct V { |
| 200 | SkPoint fPos; |
| 201 | GrColor4f fColor; |
| 202 | }; |
| 203 | SkASSERT(sizeof(V) == vertexStride); |
| 204 | V* v = (V*)verts; |
| 205 | for (int i = 0; i < kVertexCount; i += 2) { |
| 206 | v[i + 0].fPos.set(dx * i, 0.0f); |
| 207 | v[i + 0].fColor = fColor4f; |
| 208 | v[i + 1].fPos.set(dx * i, 100.0f); |
| 209 | v[i + 1].fColor = fColor4f; |
| 210 | } |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 211 | } else if (kHalf_Mode == fMode) { |
| 212 | struct V { |
| 213 | SkPoint fPos; |
| 214 | uint64_t fColor; |
| 215 | }; |
| 216 | SkASSERT(sizeof(V) == vertexStride); |
| 217 | uint64_t color; |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 218 | Sk4h halfColor = SkFloatToHalf_finite_ftz(Sk4f::Load(&fColor4f)); |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 219 | color = (uint64_t)halfColor[0] << 48 | |
| 220 | (uint64_t)halfColor[1] << 32 | |
| 221 | (uint64_t)halfColor[2] << 16 | |
| 222 | (uint64_t)halfColor[3] << 0; |
| 223 | V* v = (V*)verts; |
| 224 | for (int i = 0; i < kVertexCount; i += 2) { |
| 225 | v[i + 0].fPos.set(dx * i, 0.0f); |
| 226 | v[i + 0].fColor = color; |
| 227 | v[i + 1].fPos.set(dx * i, 100.0f); |
| 228 | v[i + 1].fColor = color; |
| 229 | } |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 230 | } else if (kShort_Mode == fMode) { |
| 231 | struct ShortColor { int16_t fRGBA[4]; }; |
| 232 | struct V { |
| 233 | SkPoint fPos; |
| 234 | ShortColor fColor; |
| 235 | }; |
| 236 | SkASSERT(sizeof(V) == vertexStride); |
| 237 | Sk4i c = Sk4f_round(Sk4f::Load(&fColor4f) * 4096.0f); |
| 238 | c = Sk4i::Max(-32768, Sk4i::Min(c, 32767)); |
| 239 | ShortColor color; |
| 240 | for (int i = 0; i < 4; ++i) { |
| 241 | color.fRGBA[i] = c[i]; |
| 242 | } |
| 243 | V* v = (V*)verts; |
| 244 | for (int i = 0; i < kVertexCount; i += 2) { |
| 245 | v[i + 0].fPos.set(dx * i, 0.0f); |
| 246 | v[i + 0].fColor = color; |
| 247 | v[i + 1].fPos.set(dx * i, 100.0f); |
| 248 | v[i + 1].fColor = color; |
| 249 | } |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 250 | } else { |
| 251 | struct V { |
| 252 | SkPoint fPos; |
| 253 | GrColor fColor; |
| 254 | }; |
| 255 | SkASSERT(sizeof(V) == vertexStride); |
| 256 | V* v = (V*)verts; |
| 257 | for (int i = 0; i < kVertexCount; i += 2) { |
| 258 | v[i + 0].fPos.set(dx * i, 0.0f); |
| 259 | v[i + 0].fColor = fColor; |
| 260 | v[i + 1].fPos.set(dx * i, 100.0f); |
| 261 | v[i + 1].fColor = fColor; |
| 262 | } |
| 263 | } |
| 264 | |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 265 | GrMesh* mesh = target->allocMesh(GrPrimitiveType::kTriangleStrip); |
| 266 | mesh->setNonIndexedNonInstanced(kVertexCount); |
| 267 | mesh->setVertexData(vertexBuffer, firstVertex); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 268 | auto pipe = target->makePipeline(0, GrProcessorSet::MakeEmptySet(), |
| 269 | target->detachAppliedClip()); |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 270 | target->draw(gp, pipe.fPipeline, pipe.fFixedDynamicState, mesh); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | Mode fMode; |
| 274 | GrColor fColor; |
| 275 | GrColor4f fColor4f; |
| 276 | sk_sp<GrColorSpaceXform> fColorSpaceXform; |
| 277 | |
| 278 | typedef GrMeshDrawOp INHERITED; |
| 279 | }; |
| 280 | } |
| 281 | |
| 282 | class VertexColorSpaceBench : public Benchmark { |
| 283 | public: |
| 284 | VertexColorSpaceBench(Mode mode, const char* name) : fMode(mode) { |
| 285 | fName = "vertexcolorspace"; |
| 286 | fName.appendf("_%s", name); |
| 287 | } |
| 288 | |
| 289 | bool isSuitableFor(Backend backend) override { return kGPU_Backend == backend; } |
| 290 | const char* onGetName() override { return fName.c_str(); } |
| 291 | |
| 292 | void onDraw(int loops, SkCanvas* canvas) override { |
| 293 | GrContext* context = canvas->getGrContext(); |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 294 | SkASSERT(context); |
| 295 | |
| 296 | if (kHalf_Mode == fMode && |
| 297 | !context->contextPriv().caps()->halfFloatVertexAttributeSupport()) { |
| 298 | return; |
| 299 | } |
| 300 | |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 301 | GrOpMemoryPool* pool = context->contextPriv().opMemoryPool(); |
| 302 | |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 303 | auto p3 = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma, |
| 304 | SkColorSpace::kDCIP3_D65_Gamut); |
Mike Klein | e03a176 | 2018-08-22 11:52:16 -0400 | [diff] [blame] | 305 | auto xform = GrColorSpaceXform::Make(sk_srgb_singleton(), kUnpremul_SkAlphaType, |
| 306 | p3.get(), kUnpremul_SkAlphaType); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 307 | |
| 308 | SkRandom r; |
| 309 | const int kDrawsPerLoop = 32; |
| 310 | |
| 311 | for (int i = 0; i < loops; ++i) { |
| 312 | sk_sp<GrRenderTargetContext> rtc( |
| 313 | context->contextPriv().makeDeferredRenderTargetContext(SkBackingFit::kApprox, |
| 314 | 100, 100, kRGBA_8888_GrPixelConfig, p3)); |
| 315 | SkASSERT(rtc); |
| 316 | |
| 317 | for (int j = 0; j < kDrawsPerLoop; ++j) { |
| 318 | SkColor c = r.nextU(); |
| 319 | std::unique_ptr<GrDrawOp> op = nullptr; |
| 320 | |
| 321 | switch (fMode) { |
| 322 | case kBaseline_Mode: |
| 323 | op = pool->allocate<Op>(SkColorToPremulGrColor(c)); |
| 324 | break; |
| 325 | case kShader_Mode: |
| 326 | op = pool->allocate<Op>(SkColorToUnpremulGrColor(c), xform); |
| 327 | break; |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 328 | case kHalf_Mode: |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 329 | case kShort_Mode: |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 330 | case kFloat_Mode: { |
| 331 | GrColor4f c4f = GrColor4f::FromGrColor(SkColorToUnpremulGrColor(c)); |
| 332 | c4f = xform->apply(c4f); |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 333 | op = pool->allocate<Op>(c4f, fMode); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 334 | } |
| 335 | } |
| 336 | rtc->priv().testingOnly_addDrawOp(std::move(op)); |
| 337 | } |
| 338 | |
| 339 | context->flush(); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | private: |
| 344 | SkString fName; |
| 345 | Mode fMode; |
| 346 | |
| 347 | typedef Benchmark INHERITED; |
| 348 | }; |
| 349 | |
| 350 | DEF_BENCH(return new VertexColorSpaceBench(kBaseline_Mode, "baseline")); |
| 351 | DEF_BENCH(return new VertexColorSpaceBench(kFloat_Mode, "float")); |
Brian Osman | 499bf1a | 2018-09-17 11:32:42 -0400 | [diff] [blame] | 352 | DEF_BENCH(return new VertexColorSpaceBench(kHalf_Mode, "half")); |
Brian Osman | a5c578f | 2018-09-19 14:19:02 -0400 | [diff] [blame] | 353 | DEF_BENCH(return new VertexColorSpaceBench(kShort_Mode, "short")); |
Brian Osman | 387eaff | 2018-07-20 14:50:44 -0400 | [diff] [blame] | 354 | DEF_BENCH(return new VertexColorSpaceBench(kShader_Mode, "shader")); |