Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017 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 "GrTextureOp.h" |
| 9 | #include "GrAppliedClip.h" |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 10 | #include "GrCaps.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 11 | #include "GrDrawOpTest.h" |
| 12 | #include "GrGeometryProcessor.h" |
| 13 | #include "GrMeshDrawOp.h" |
| 14 | #include "GrOpFlushState.h" |
| 15 | #include "GrQuad.h" |
| 16 | #include "GrResourceProvider.h" |
| 17 | #include "GrShaderCaps.h" |
| 18 | #include "GrTexture.h" |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 19 | #include "GrTexturePriv.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 20 | #include "GrTextureProxy.h" |
| 21 | #include "SkGr.h" |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 22 | #include "SkMathPriv.h" |
Brian Salomon | a33b67c | 2018-05-17 10:42:14 -0400 | [diff] [blame] | 23 | #include "SkMatrixPriv.h" |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 24 | #include "SkPoint.h" |
| 25 | #include "SkPoint3.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 26 | #include "glsl/GrGLSLColorSpaceXformHelper.h" |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 27 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 28 | #include "glsl/GrGLSLGeometryProcessor.h" |
| 29 | #include "glsl/GrGLSLVarying.h" |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 30 | #include "glsl/GrGLSLVertexGeoBuilder.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 31 | |
| 32 | namespace { |
| 33 | |
| 34 | /** |
| 35 | * Geometry Processor that draws a texture modulated by a vertex color (though, this is meant to be |
| 36 | * the same value across all vertices of a quad and uses flat interpolation when available). This is |
| 37 | * used by TextureOp below. |
| 38 | */ |
| 39 | class TextureGeometryProcessor : public GrGeometryProcessor { |
| 40 | public: |
| 41 | struct Vertex { |
| 42 | SkPoint fPosition; |
| 43 | SkPoint fTextureCoords; |
| 44 | GrColor fColor; |
| 45 | }; |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 46 | struct AAVertex { |
| 47 | SkPoint fPosition; |
| 48 | SkPoint fTextureCoords; |
| 49 | SkPoint3 fEdges[4]; |
| 50 | GrColor fColor; |
| 51 | }; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 52 | struct MultiTextureVertex { |
| 53 | SkPoint fPosition; |
| 54 | int fTextureIdx; |
| 55 | SkPoint fTextureCoords; |
| 56 | GrColor fColor; |
| 57 | }; |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 58 | struct AAMultiTextureVertex { |
| 59 | SkPoint fPosition; |
| 60 | int fTextureIdx; |
| 61 | SkPoint fTextureCoords; |
| 62 | SkPoint3 fEdges[4]; |
| 63 | GrColor fColor; |
| 64 | }; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 65 | |
| 66 | // Maximum number of textures supported by this op. Must also be checked against the caps |
| 67 | // limit. These numbers were based on some limited experiments on a HP Z840 and Pixel XL 2016 |
| 68 | // and could probably use more tuning. |
| 69 | #ifdef SK_BUILD_FOR_ANDROID |
| 70 | static constexpr int kMaxTextures = 4; |
| 71 | #else |
| 72 | static constexpr int kMaxTextures = 8; |
| 73 | #endif |
| 74 | |
Brian Salomon | 0b4d8aa | 2017-10-11 15:34:27 -0400 | [diff] [blame] | 75 | static int SupportsMultitexture(const GrShaderCaps& caps) { |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 76 | return caps.integerSupport() && caps.maxFragmentSamplers() > 1; |
Brian Salomon | 0b4d8aa | 2017-10-11 15:34:27 -0400 | [diff] [blame] | 77 | } |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 78 | |
| 79 | static sk_sp<GrGeometryProcessor> Make(sk_sp<GrTextureProxy> proxies[], int proxyCnt, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 80 | sk_sp<GrColorSpaceXform> csxf, bool coverageAA, |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 81 | const GrSamplerState::Filter filters[], |
| 82 | const GrShaderCaps& caps) { |
| 83 | // We use placement new to avoid always allocating space for kMaxTextures TextureSampler |
| 84 | // instances. |
| 85 | int samplerCnt = NumSamplersToUse(proxyCnt, caps); |
| 86 | size_t size = sizeof(TextureGeometryProcessor) + sizeof(TextureSampler) * (samplerCnt - 1); |
| 87 | void* mem = GrGeometryProcessor::operator new(size); |
| 88 | return sk_sp<TextureGeometryProcessor>(new (mem) TextureGeometryProcessor( |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 89 | proxies, proxyCnt, samplerCnt, std::move(csxf), coverageAA, filters, caps)); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 90 | } |
| 91 | |
| 92 | ~TextureGeometryProcessor() override { |
| 93 | int cnt = this->numTextureSamplers(); |
| 94 | for (int i = 1; i < cnt; ++i) { |
| 95 | fSamplers[i].~TextureSampler(); |
| 96 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | const char* name() const override { return "TextureGeometryProcessor"; } |
| 100 | |
| 101 | void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| 102 | b->add32(GrColorSpaceXform::XformKey(fColorSpaceXform.get())); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 103 | b->add32(static_cast<uint32_t>(this->usesCoverageEdgeAA())); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps& caps) const override { |
| 107 | class GLSLProcessor : public GrGLSLGeometryProcessor { |
| 108 | public: |
| 109 | void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc, |
| 110 | FPCoordTransformIter&& transformIter) override { |
| 111 | const auto& textureGP = proc.cast<TextureGeometryProcessor>(); |
| 112 | this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter); |
| 113 | if (fColorSpaceXformHelper.isValid()) { |
| 114 | fColorSpaceXformHelper.setData(pdman, textureGP.fColorSpaceXform.get()); |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | private: |
| 119 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
Chris Dalton | 7b04631 | 2018-02-02 11:06:30 -0700 | [diff] [blame] | 120 | using Interpolation = GrGLSLVaryingHandler::Interpolation; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 121 | const auto& textureGP = args.fGP.cast<TextureGeometryProcessor>(); |
| 122 | fColorSpaceXformHelper.emitCode( |
| 123 | args.fUniformHandler, textureGP.fColorSpaceXform.get()); |
| 124 | args.fVaryingHandler->setNoPerspective(); |
| 125 | args.fVaryingHandler->emitAttributes(textureGP); |
| 126 | this->writeOutputPosition(args.fVertBuilder, gpArgs, textureGP.fPositions.fName); |
| 127 | this->emitTransforms(args.fVertBuilder, |
| 128 | args.fVaryingHandler, |
| 129 | args.fUniformHandler, |
Brian Salomon | 04460cc | 2017-12-06 14:47:42 -0500 | [diff] [blame] | 130 | textureGP.fTextureCoords.asShaderVar(), |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 131 | args.fFPCoordTransformHandler); |
Chris Dalton | 7b04631 | 2018-02-02 11:06:30 -0700 | [diff] [blame] | 132 | args.fVaryingHandler->addPassThroughAttribute(&textureGP.fColors, |
| 133 | args.fOutputColor, |
| 134 | Interpolation::kCanBeFlat); |
Ethan Nicholas | 8aa4569 | 2017-09-20 11:24:15 -0400 | [diff] [blame] | 135 | args.fFragBuilder->codeAppend("float2 texCoord;"); |
Chris Dalton | fdde34e | 2017-10-16 14:15:26 -0600 | [diff] [blame] | 136 | args.fVaryingHandler->addPassThroughAttribute(&textureGP.fTextureCoords, |
| 137 | "texCoord"); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 138 | if (textureGP.numTextureSamplers() > 1) { |
Chris Dalton | 7b04631 | 2018-02-02 11:06:30 -0700 | [diff] [blame] | 139 | // If this changes to float, reconsider Interpolation::kMustBeFlat. |
| 140 | SkASSERT(kInt_GrVertexAttribType == textureGP.fTextureIdx.fType); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 141 | SkASSERT(args.fShaderCaps->integerSupport()); |
| 142 | args.fFragBuilder->codeAppend("int texIdx;"); |
Chris Dalton | 7b04631 | 2018-02-02 11:06:30 -0700 | [diff] [blame] | 143 | args.fVaryingHandler->addPassThroughAttribute(&textureGP.fTextureIdx, "texIdx", |
| 144 | Interpolation::kMustBeFlat); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 145 | args.fFragBuilder->codeAppend("switch (texIdx) {"); |
| 146 | for (int i = 0; i < textureGP.numTextureSamplers(); ++i) { |
| 147 | args.fFragBuilder->codeAppendf("case %d: %s = ", i, args.fOutputColor); |
| 148 | args.fFragBuilder->appendTextureLookupAndModulate(args.fOutputColor, |
| 149 | args.fTexSamplers[i], |
| 150 | "texCoord", |
Ethan Nicholas | 8aa4569 | 2017-09-20 11:24:15 -0400 | [diff] [blame] | 151 | kFloat2_GrSLType, |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 152 | &fColorSpaceXformHelper); |
| 153 | args.fFragBuilder->codeAppend("; break;"); |
| 154 | } |
| 155 | args.fFragBuilder->codeAppend("}"); |
| 156 | } else { |
| 157 | args.fFragBuilder->codeAppendf("%s = ", args.fOutputColor); |
| 158 | args.fFragBuilder->appendTextureLookupAndModulate(args.fOutputColor, |
| 159 | args.fTexSamplers[0], |
| 160 | "texCoord", |
Ethan Nicholas | 8aa4569 | 2017-09-20 11:24:15 -0400 | [diff] [blame] | 161 | kFloat2_GrSLType, |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 162 | &fColorSpaceXformHelper); |
| 163 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 164 | args.fFragBuilder->codeAppend(";"); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 165 | if (textureGP.usesCoverageEdgeAA()) { |
Brian Salomon | dba65f9 | 2018-01-22 08:43:38 -0500 | [diff] [blame] | 166 | const char* aaDistName = nullptr; |
| 167 | // When interpolation is innacurate we perform the evaluation of the edge |
| 168 | // equations in the fragment shader rather than interpolating values computed |
| 169 | // in the vertex shader. |
| 170 | if (!args.fShaderCaps->interpolantsAreInaccurate()) { |
| 171 | GrGLSLVarying aaDistVarying(kFloat4_GrSLType, |
| 172 | GrGLSLVarying::Scope::kVertToFrag); |
| 173 | args.fVaryingHandler->addVarying("aaDists", &aaDistVarying); |
| 174 | args.fVertBuilder->codeAppendf( |
| 175 | R"(%s = float4(dot(aaEdge0.xy, %s.xy) + aaEdge0.z, |
| 176 | dot(aaEdge1.xy, %s.xy) + aaEdge1.z, |
| 177 | dot(aaEdge2.xy, %s.xy) + aaEdge2.z, |
| 178 | dot(aaEdge3.xy, %s.xy) + aaEdge3.z);)", |
| 179 | aaDistVarying.vsOut(), textureGP.fPositions.fName, |
| 180 | textureGP.fPositions.fName, textureGP.fPositions.fName, |
| 181 | textureGP.fPositions.fName); |
| 182 | aaDistName = aaDistVarying.fsIn(); |
| 183 | } else { |
| 184 | GrGLSLVarying aaEdgeVarying[4]{ |
| 185 | {kFloat3_GrSLType, GrGLSLVarying::Scope::kVertToFrag}, |
| 186 | {kFloat3_GrSLType, GrGLSLVarying::Scope::kVertToFrag}, |
| 187 | {kFloat3_GrSLType, GrGLSLVarying::Scope::kVertToFrag}, |
| 188 | {kFloat3_GrSLType, GrGLSLVarying::Scope::kVertToFrag} |
| 189 | }; |
| 190 | for (int i = 0; i < 4; ++i) { |
| 191 | SkString name; |
| 192 | name.printf("aaEdge%d", i); |
Brian Salomon | 7d982c6 | 2018-02-05 16:20:47 -0500 | [diff] [blame] | 193 | args.fVaryingHandler->addVarying(name.c_str(), &aaEdgeVarying[i], |
| 194 | Interpolation::kCanBeFlat); |
Brian Salomon | dba65f9 | 2018-01-22 08:43:38 -0500 | [diff] [blame] | 195 | args.fVertBuilder->codeAppendf( |
| 196 | "%s = aaEdge%d;", aaEdgeVarying[i].vsOut(), i); |
| 197 | } |
| 198 | args.fFragBuilder->codeAppendf( |
| 199 | R"(float4 aaDists = float4(dot(%s.xy, sk_FragCoord.xy) + %s.z, |
| 200 | dot(%s.xy, sk_FragCoord.xy) + %s.z, |
| 201 | dot(%s.xy, sk_FragCoord.xy) + %s.z, |
| 202 | dot(%s.xy, sk_FragCoord.xy) + %s.z);)", |
| 203 | aaEdgeVarying[0].fsIn(), aaEdgeVarying[0].fsIn(), |
| 204 | aaEdgeVarying[1].fsIn(), aaEdgeVarying[1].fsIn(), |
| 205 | aaEdgeVarying[2].fsIn(), aaEdgeVarying[2].fsIn(), |
| 206 | aaEdgeVarying[3].fsIn(), aaEdgeVarying[3].fsIn()); |
| 207 | aaDistName = "aaDists"; |
| 208 | } |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 209 | args.fFragBuilder->codeAppendf( |
| 210 | "float mindist = min(min(%s.x, %s.y), min(%s.z, %s.w));", |
Brian Salomon | dba65f9 | 2018-01-22 08:43:38 -0500 | [diff] [blame] | 211 | aaDistName, aaDistName, aaDistName, aaDistName); |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 212 | args.fFragBuilder->codeAppendf("%s = float4(clamp(mindist, 0, 1));", |
| 213 | args.fOutputCoverage); |
| 214 | } else { |
| 215 | args.fFragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage); |
| 216 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 217 | } |
| 218 | GrGLSLColorSpaceXformHelper fColorSpaceXformHelper; |
| 219 | }; |
| 220 | return new GLSLProcessor; |
| 221 | } |
| 222 | |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 223 | bool usesCoverageEdgeAA() const { return SkToBool(fAAEdges[0].isInitialized()); } |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 224 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 225 | private: |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 226 | // This exists to reduce the number of shaders generated. It does some rounding of sampler |
| 227 | // counts. |
| 228 | static int NumSamplersToUse(int numRealProxies, const GrShaderCaps& caps) { |
| 229 | SkASSERT(numRealProxies > 0 && numRealProxies <= kMaxTextures && |
| 230 | numRealProxies <= caps.maxFragmentSamplers()); |
| 231 | if (1 == numRealProxies) { |
| 232 | return 1; |
| 233 | } |
| 234 | if (numRealProxies <= 4) { |
| 235 | return 4; |
| 236 | } |
| 237 | // Round to the next power of 2 and then clamp to kMaxTextures and the max allowed by caps. |
| 238 | return SkTMin(SkNextPow2(numRealProxies), SkTMin(kMaxTextures, caps.maxFragmentSamplers())); |
| 239 | } |
| 240 | |
| 241 | TextureGeometryProcessor(sk_sp<GrTextureProxy> proxies[], int proxyCnt, int samplerCnt, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 242 | sk_sp<GrColorSpaceXform> csxf, bool coverageAA, |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 243 | const GrSamplerState::Filter filters[], const GrShaderCaps& caps) |
| 244 | : INHERITED(kTextureGeometryProcessor_ClassID), fColorSpaceXform(std::move(csxf)) { |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 245 | SkASSERT(proxyCnt > 0 && samplerCnt >= proxyCnt); |
Ethan Nicholas | fa7ee24 | 2017-09-25 09:52:04 -0400 | [diff] [blame] | 246 | fPositions = this->addVertexAttrib("position", kFloat2_GrVertexAttribType); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 247 | fSamplers[0].reset(std::move(proxies[0]), filters[0]); |
| 248 | this->addTextureSampler(&fSamplers[0]); |
| 249 | for (int i = 1; i < proxyCnt; ++i) { |
| 250 | // This class has one sampler built in, the rest come from memory this processor was |
| 251 | // placement-newed into and so haven't been constructed. |
| 252 | new (&fSamplers[i]) TextureSampler(std::move(proxies[i]), filters[i]); |
| 253 | this->addTextureSampler(&fSamplers[i]); |
| 254 | } |
| 255 | if (samplerCnt > 1) { |
| 256 | // Here we initialize any extra samplers by repeating the last one samplerCnt - proxyCnt |
| 257 | // times. |
| 258 | GrTextureProxy* dupeProxy = fSamplers[proxyCnt - 1].proxy(); |
| 259 | for (int i = proxyCnt; i < samplerCnt; ++i) { |
| 260 | new (&fSamplers[i]) TextureSampler(sk_ref_sp(dupeProxy), filters[proxyCnt - 1]); |
| 261 | this->addTextureSampler(&fSamplers[i]); |
| 262 | } |
| 263 | SkASSERT(caps.integerSupport()); |
| 264 | fTextureIdx = this->addVertexAttrib("textureIdx", kInt_GrVertexAttribType); |
| 265 | } |
| 266 | |
Ethan Nicholas | fa7ee24 | 2017-09-25 09:52:04 -0400 | [diff] [blame] | 267 | fTextureCoords = this->addVertexAttrib("textureCoords", kFloat2_GrVertexAttribType); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 268 | if (coverageAA) { |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 269 | fAAEdges[0] = this->addVertexAttrib("aaEdge0", kFloat3_GrVertexAttribType); |
| 270 | fAAEdges[1] = this->addVertexAttrib("aaEdge1", kFloat3_GrVertexAttribType); |
| 271 | fAAEdges[2] = this->addVertexAttrib("aaEdge2", kFloat3_GrVertexAttribType); |
| 272 | fAAEdges[3] = this->addVertexAttrib("aaEdge3", kFloat3_GrVertexAttribType); |
| 273 | } |
Ethan Nicholas | fa7ee24 | 2017-09-25 09:52:04 -0400 | [diff] [blame] | 274 | fColors = this->addVertexAttrib("color", kUByte4_norm_GrVertexAttribType); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | Attribute fPositions; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 278 | Attribute fTextureIdx; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 279 | Attribute fTextureCoords; |
| 280 | Attribute fColors; |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 281 | Attribute fAAEdges[4]; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 282 | sk_sp<GrColorSpaceXform> fColorSpaceXform; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 283 | TextureSampler fSamplers[1]; |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 284 | |
| 285 | typedef GrGeometryProcessor INHERITED; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 286 | }; |
| 287 | |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 288 | namespace { |
| 289 | // This is a class soley so it can be partially specialized (functions cannot be). |
| 290 | template<GrAA, typename Vertex> class VertexAAHandler; |
| 291 | |
| 292 | template<typename Vertex> class VertexAAHandler<GrAA::kNo, Vertex> { |
| 293 | public: |
| 294 | static void AssignPositionsAndTexCoords(Vertex* vertices, const GrQuad& quad, |
| 295 | const SkRect& texRect) { |
| 296 | vertices[0].fPosition = quad.point(0); |
| 297 | vertices[0].fTextureCoords = {texRect.fLeft, texRect.fTop}; |
| 298 | vertices[1].fPosition = quad.point(1); |
| 299 | vertices[1].fTextureCoords = {texRect.fLeft, texRect.fBottom}; |
| 300 | vertices[2].fPosition = quad.point(2); |
| 301 | vertices[2].fTextureCoords = {texRect.fRight, texRect.fTop}; |
| 302 | vertices[3].fPosition = quad.point(3); |
| 303 | vertices[3].fTextureCoords = {texRect.fRight, texRect.fBottom}; |
| 304 | } |
| 305 | }; |
| 306 | |
| 307 | template<typename Vertex> class VertexAAHandler<GrAA::kYes, Vertex> { |
| 308 | public: |
| 309 | static void AssignPositionsAndTexCoords(Vertex* vertices, const GrQuad& quad, |
| 310 | const SkRect& texRect) { |
| 311 | // We compute the four edge equations for quad, then outset them and compute a new quad |
| 312 | // as the intersection points of the outset edges. |
| 313 | |
| 314 | // GrQuad is in tristip order but we want the points to be in a fan order, so swap 2 and 3. |
Brian Salomon | a33b67c | 2018-05-17 10:42:14 -0400 | [diff] [blame] | 315 | Sk4f xs = SkNx_shuffle<0, 1, 3, 2>(quad.x4f()); |
| 316 | Sk4f ys = SkNx_shuffle<0, 1, 3, 2>(quad.y4f()); |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 317 | Sk4f xsrot = SkNx_shuffle<1, 2, 3, 0>(xs); |
| 318 | Sk4f ysrot = SkNx_shuffle<1, 2, 3, 0>(ys); |
| 319 | Sk4f normXs = ysrot - ys; |
| 320 | Sk4f normYs = xs - xsrot; |
| 321 | Sk4f ds = xsrot * ys - ysrot * xs; |
| 322 | Sk4f invNormLengths = (normXs * normXs + normYs * normYs).rsqrt(); |
| 323 | float test = normXs[0] * xs[2] + normYs[0] * ys[2] + ds[0]; |
| 324 | // Make sure the edge equations have their normals facing into the quad in device space |
| 325 | if (test < 0) { |
| 326 | invNormLengths = -invNormLengths; |
| 327 | } |
| 328 | normXs *= invNormLengths; |
| 329 | normYs *= invNormLengths; |
| 330 | ds *= invNormLengths; |
| 331 | |
| 332 | // Here is the bloat. This makes our edge equations compute coverage without requiring a |
| 333 | // half pixel offset and is also used to compute the bloated quad that will cover all |
| 334 | // pixels. |
| 335 | ds += Sk4f(0.5f); |
| 336 | |
| 337 | for (int i = 0; i < 4; ++i) { |
| 338 | for (int j = 0; j < 4; ++j) { |
| 339 | vertices[j].fEdges[i].fX = normXs[i]; |
| 340 | vertices[j].fEdges[i].fY = normYs[i]; |
| 341 | vertices[j].fEdges[i].fZ = ds[i]; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | // Reverse the process to compute the points of the bloated quad from the edge equations. |
| 346 | // This time the inputs don't have 1s as their third coord and we want to homogenize rather |
| 347 | // than normalize the output since we need a GrQuad with 2D points. |
| 348 | xsrot = SkNx_shuffle<3, 0, 1, 2>(normXs); |
| 349 | ysrot = SkNx_shuffle<3, 0, 1, 2>(normYs); |
| 350 | Sk4f dsrot = SkNx_shuffle<3, 0, 1, 2>(ds); |
| 351 | xs = ysrot * ds - normYs * dsrot; |
| 352 | ys = normXs * dsrot - xsrot * ds; |
| 353 | ds = xsrot * normYs - ysrot * normXs; |
| 354 | ds = ds.invert(); |
| 355 | xs *= ds; |
| 356 | ys *= ds; |
| 357 | |
| 358 | // Go back to tri strip order when writing out the bloated quad to vertex positions. |
| 359 | vertices[0].fPosition = {xs[0], ys[0]}; |
| 360 | vertices[1].fPosition = {xs[1], ys[1]}; |
| 361 | vertices[3].fPosition = {xs[2], ys[2]}; |
| 362 | vertices[2].fPosition = {xs[3], ys[3]}; |
| 363 | |
| 364 | AssignTexCoords(vertices, quad, texRect); |
| 365 | } |
| 366 | |
| 367 | private: |
| 368 | static void AssignTexCoords(Vertex* vertices, const GrQuad& quad, const SkRect& tex) { |
Brian Salomon | a33b67c | 2018-05-17 10:42:14 -0400 | [diff] [blame] | 369 | SkMatrix q = SkMatrix::MakeAll(quad.x(0), quad.x(1), quad.x(2), |
| 370 | quad.y(0), quad.y(1), quad.y(2), |
| 371 | 1.f, 1.f, 1.f); |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 372 | SkMatrix qinv; |
| 373 | if (!q.invert(&qinv)) { |
| 374 | return; |
| 375 | } |
| 376 | SkMatrix t = SkMatrix::MakeAll(tex.fLeft, tex.fLeft, tex.fRight, |
| 377 | tex.fTop, tex.fBottom, tex.fTop, |
| 378 | 1.f, 1.f, 1.f); |
| 379 | SkMatrix map; |
| 380 | map.setConcat(t, qinv); |
| 381 | SkMatrixPriv::MapPointsWithStride(map, &vertices[0].fTextureCoords, sizeof(Vertex), |
| 382 | &vertices[0].fPosition, sizeof(Vertex), 4); |
| 383 | } |
| 384 | }; |
| 385 | |
| 386 | template <typename Vertex, bool IsMultiTex> struct TexIdAssigner; |
| 387 | |
| 388 | template <typename Vertex> struct TexIdAssigner<Vertex, true> { |
| 389 | static void Assign(Vertex* vertices, int textureIdx) { |
| 390 | vertices[0].fTextureIdx = textureIdx; |
| 391 | vertices[1].fTextureIdx = textureIdx; |
| 392 | vertices[2].fTextureIdx = textureIdx; |
| 393 | vertices[3].fTextureIdx = textureIdx; |
| 394 | } |
| 395 | }; |
| 396 | |
| 397 | template <typename Vertex> struct TexIdAssigner<Vertex, false> { |
| 398 | static void Assign(Vertex* vertices, int textureIdx) {} |
| 399 | }; |
| 400 | } // anonymous namespace |
| 401 | |
| 402 | template <typename Vertex, bool IsMultiTex, GrAA AA> |
| 403 | static void tessellate_quad(const GrQuad& devQuad, const SkRect& srcRect, GrColor color, |
| 404 | GrSurfaceOrigin origin, Vertex* vertices, SkScalar iw, SkScalar ih, |
| 405 | int textureIdx) { |
| 406 | SkRect texRect = { |
| 407 | iw * srcRect.fLeft, |
| 408 | ih * srcRect.fTop, |
| 409 | iw * srcRect.fRight, |
| 410 | ih * srcRect.fBottom |
| 411 | }; |
| 412 | if (origin == kBottomLeft_GrSurfaceOrigin) { |
| 413 | texRect.fTop = 1.f - texRect.fTop; |
| 414 | texRect.fBottom = 1.f - texRect.fBottom; |
| 415 | } |
| 416 | VertexAAHandler<AA, Vertex>::AssignPositionsAndTexCoords(vertices, devQuad, texRect); |
| 417 | vertices[0].fColor = color; |
| 418 | vertices[1].fColor = color; |
| 419 | vertices[2].fColor = color; |
| 420 | vertices[3].fColor = color; |
| 421 | TexIdAssigner<Vertex, IsMultiTex>::Assign(vertices, textureIdx); |
| 422 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 423 | /** |
| 424 | * Op that implements GrTextureOp::Make. It draws textured quads. Each quad can modulate against a |
| 425 | * the texture by color. The blend with the destination is always src-over. The edges are non-AA. |
| 426 | */ |
| 427 | class TextureOp final : public GrMeshDrawOp { |
| 428 | public: |
| 429 | static std::unique_ptr<GrDrawOp> Make(sk_sp<GrTextureProxy> proxy, |
Brian Salomon | 2bbdcc4 | 2017-09-07 12:36:34 -0400 | [diff] [blame] | 430 | GrSamplerState::Filter filter, GrColor color, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 431 | const SkRect& srcRect, const SkRect& dstRect, |
| 432 | GrAAType aaType, const SkMatrix& viewMatrix, |
| 433 | sk_sp<GrColorSpaceXform> csxf, bool allowSRBInputs) { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 434 | return std::unique_ptr<GrDrawOp>(new TextureOp(std::move(proxy), filter, color, srcRect, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 435 | dstRect, aaType, viewMatrix, std::move(csxf), |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 436 | allowSRBInputs)); |
| 437 | } |
| 438 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 439 | ~TextureOp() override { |
| 440 | if (fFinalized) { |
| 441 | auto proxies = this->proxies(); |
| 442 | for (int i = 0; i < fProxyCnt; ++i) { |
| 443 | proxies[i]->completedRead(); |
| 444 | } |
| 445 | if (fProxyCnt > 1) { |
| 446 | delete[] reinterpret_cast<const char*>(proxies); |
| 447 | } |
| 448 | } else { |
| 449 | SkASSERT(1 == fProxyCnt); |
| 450 | fProxy0->unref(); |
| 451 | } |
| 452 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 453 | |
| 454 | const char* name() const override { return "TextureOp"; } |
| 455 | |
Robert Phillips | f1748f5 | 2017-09-14 14:11:24 -0400 | [diff] [blame] | 456 | void visitProxies(const VisitProxyFunc& func) const override { |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 457 | auto proxies = this->proxies(); |
| 458 | for (int i = 0; i < fProxyCnt; ++i) { |
| 459 | func(proxies[i]); |
| 460 | } |
| 461 | } |
| 462 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 463 | SkString dumpInfo() const override { |
| 464 | SkString str; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 465 | str.appendf("AllowSRGBInputs: %d\n", fAllowSRGBInputs); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 466 | str.appendf("# draws: %d\n", fDraws.count()); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 467 | auto proxies = this->proxies(); |
| 468 | for (int i = 0; i < fProxyCnt; ++i) { |
| 469 | str.appendf("Proxy ID %d: %d, Filter: %d\n", i, proxies[i]->uniqueID().asUInt(), |
| 470 | static_cast<int>(this->filters()[i])); |
| 471 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 472 | for (int i = 0; i < fDraws.count(); ++i) { |
| 473 | const Draw& draw = fDraws[i]; |
| 474 | str.appendf( |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 475 | "%d: Color: 0x%08x, ProxyIdx: %d, TexRect [L: %.2f, T: %.2f, R: %.2f, B: %.2f] " |
| 476 | "Quad [(%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f)]\n", |
| 477 | i, draw.fColor, draw.fTextureIdx, draw.fSrcRect.fLeft, draw.fSrcRect.fTop, |
Brian Salomon | a33b67c | 2018-05-17 10:42:14 -0400 | [diff] [blame] | 478 | draw.fSrcRect.fRight, draw.fSrcRect.fBottom, draw.fQuad.point(0).fX, |
| 479 | draw.fQuad.point(0).fY, draw.fQuad.point(1).fX, draw.fQuad.point(1).fY, |
| 480 | draw.fQuad.point(2).fX, draw.fQuad.point(2).fY, draw.fQuad.point(3).fX, |
| 481 | draw.fQuad.point(3).fY); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 482 | } |
| 483 | str += INHERITED::dumpInfo(); |
| 484 | return str; |
| 485 | } |
| 486 | |
Brian Osman | 9a725dd | 2017-09-20 09:53:22 -0400 | [diff] [blame] | 487 | RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip, |
| 488 | GrPixelConfigIsClamped dstIsClamped) override { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 489 | SkASSERT(!fFinalized); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 490 | SkASSERT(1 == fProxyCnt); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 491 | fFinalized = true; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 492 | fProxy0->addPendingRead(); |
| 493 | fProxy0->unref(); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 494 | return RequiresDstTexture::kNo; |
| 495 | } |
| 496 | |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 497 | FixedFunctionFlags fixedFunctionFlags() const override { |
| 498 | return this->aaType() == GrAAType::kMSAA ? FixedFunctionFlags::kUsesHWAA |
| 499 | : FixedFunctionFlags::kNone; |
| 500 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 501 | |
| 502 | DEFINE_OP_CLASS_ID |
| 503 | |
| 504 | private: |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 505 | |
| 506 | // This is used in a heursitic for choosing a code path. We don't care what happens with |
| 507 | // really large rects, infs, nans, etc. |
| 508 | #if defined(__clang__) && (__clang_major__ * 1000 + __clang_minor__) >= 3007 |
| 509 | __attribute__((no_sanitize("float-cast-overflow"))) |
| 510 | #endif |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 511 | size_t RectSizeAsSizeT(const SkRect& rect) {; |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 512 | return static_cast<size_t>(SkTMax(rect.width(), 1.f) * SkTMax(rect.height(), 1.f)); |
| 513 | } |
| 514 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 515 | static constexpr int kMaxTextures = TextureGeometryProcessor::kMaxTextures; |
| 516 | |
Brian Salomon | 2bbdcc4 | 2017-09-07 12:36:34 -0400 | [diff] [blame] | 517 | TextureOp(sk_sp<GrTextureProxy> proxy, GrSamplerState::Filter filter, GrColor color, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 518 | const SkRect& srcRect, const SkRect& dstRect, GrAAType aaType, |
| 519 | const SkMatrix& viewMatrix, sk_sp<GrColorSpaceXform> csxf, bool allowSRGBInputs) |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 520 | : INHERITED(ClassID()) |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 521 | , fColorSpaceXform(std::move(csxf)) |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 522 | , fProxy0(proxy.release()) |
| 523 | , fFilter0(filter) |
| 524 | , fProxyCnt(1) |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 525 | , fAAType(static_cast<unsigned>(aaType)) |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 526 | , fFinalized(0) |
| 527 | , fAllowSRGBInputs(allowSRGBInputs ? 1 : 0) { |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 528 | SkASSERT(aaType != GrAAType::kMixedSamples); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 529 | Draw& draw = fDraws.push_back(); |
| 530 | draw.fSrcRect = srcRect; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 531 | draw.fTextureIdx = 0; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 532 | draw.fColor = color; |
Brian Salomon | a33b67c | 2018-05-17 10:42:14 -0400 | [diff] [blame] | 533 | draw.fQuad = GrQuad(dstRect, viewMatrix); |
| 534 | SkRect bounds = draw.fQuad.bounds(); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 535 | this->setBounds(bounds, HasAABloat::kNo, IsZeroArea::kNo); |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 536 | |
| 537 | fMaxApproxDstPixelArea = RectSizeAsSizeT(bounds); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | void onPrepareDraws(Target* target) override { |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 541 | sk_sp<GrTextureProxy> proxiesSPs[kMaxTextures]; |
| 542 | auto proxies = this->proxies(); |
| 543 | auto filters = this->filters(); |
| 544 | for (int i = 0; i < fProxyCnt; ++i) { |
| 545 | if (!proxies[i]->instantiate(target->resourceProvider())) { |
| 546 | return; |
| 547 | } |
| 548 | proxiesSPs[i] = sk_ref_sp(proxies[i]); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 549 | } |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 550 | |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 551 | bool coverageAA = GrAAType::kCoverage == this->aaType(); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 552 | sk_sp<GrGeometryProcessor> gp = |
| 553 | TextureGeometryProcessor::Make(proxiesSPs, fProxyCnt, std::move(fColorSpaceXform), |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 554 | coverageAA, filters, *target->caps().shaderCaps()); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 555 | GrPipeline::InitArgs args; |
| 556 | args.fProxy = target->proxy(); |
| 557 | args.fCaps = &target->caps(); |
| 558 | args.fResourceProvider = target->resourceProvider(); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 559 | args.fFlags = 0; |
| 560 | if (fAllowSRGBInputs) { |
| 561 | args.fFlags |= GrPipeline::kAllowSRGBInputs_Flag; |
| 562 | } |
| 563 | if (GrAAType::kMSAA == this->aaType()) { |
| 564 | args.fFlags |= GrPipeline::kHWAntialias_Flag; |
| 565 | } |
| 566 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 567 | const GrPipeline* pipeline = target->allocPipeline(args, GrProcessorSet::MakeEmptySet(), |
| 568 | target->detachAppliedClip()); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 569 | int vstart; |
| 570 | const GrBuffer* vbuffer; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 571 | void* vdata = target->makeVertexSpace(gp->getVertexStride(), 4 * fDraws.count(), &vbuffer, |
| 572 | &vstart); |
| 573 | if (!vdata) { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 574 | SkDebugf("Could not allocate vertices\n"); |
| 575 | return; |
| 576 | } |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 577 | if (1 == fProxyCnt) { |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 578 | GrSurfaceOrigin origin = proxies[0]->origin(); |
| 579 | GrTexture* texture = proxies[0]->priv().peekTexture(); |
| 580 | float iw = 1.f / texture->width(); |
| 581 | float ih = 1.f / texture->height(); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 582 | if (coverageAA) { |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 583 | SkASSERT(gp->getVertexStride() == sizeof(TextureGeometryProcessor::AAVertex)); |
| 584 | auto vertices = static_cast<TextureGeometryProcessor::AAVertex*>(vdata); |
| 585 | for (int i = 0; i < fDraws.count(); ++i) { |
| 586 | tessellate_quad<TextureGeometryProcessor::AAVertex, false, GrAA::kYes>( |
| 587 | fDraws[i].fQuad, fDraws[i].fSrcRect, fDraws[i].fColor, origin, |
| 588 | vertices + 4 * i, iw, ih, 0); |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 589 | } |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 590 | } else { |
| 591 | SkASSERT(gp->getVertexStride() == sizeof(TextureGeometryProcessor::Vertex)); |
| 592 | auto vertices = static_cast<TextureGeometryProcessor::Vertex*>(vdata); |
| 593 | for (int i = 0; i < fDraws.count(); ++i) { |
| 594 | tessellate_quad<TextureGeometryProcessor::Vertex, false, GrAA::kNo>( |
| 595 | fDraws[i].fQuad, fDraws[i].fSrcRect, fDraws[i].fColor, origin, |
| 596 | vertices + 4 * i, iw, ih, 0); |
| 597 | } |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 598 | } |
| 599 | } else { |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 600 | GrTexture* textures[kMaxTextures]; |
| 601 | float iw[kMaxTextures]; |
| 602 | float ih[kMaxTextures]; |
| 603 | for (int t = 0; t < fProxyCnt; ++t) { |
| 604 | textures[t] = proxies[t]->priv().peekTexture(); |
| 605 | iw[t] = 1.f / textures[t]->width(); |
| 606 | ih[t] = 1.f / textures[t]->height(); |
| 607 | } |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 608 | if (coverageAA) { |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 609 | SkASSERT(gp->getVertexStride() == |
| 610 | sizeof(TextureGeometryProcessor::AAMultiTextureVertex)); |
| 611 | auto vertices = static_cast<TextureGeometryProcessor::AAMultiTextureVertex*>(vdata); |
| 612 | for (int i = 0; i < fDraws.count(); ++i) { |
| 613 | auto tidx = fDraws[i].fTextureIdx; |
| 614 | GrSurfaceOrigin origin = proxies[tidx]->origin(); |
| 615 | tessellate_quad<TextureGeometryProcessor::AAMultiTextureVertex, true, |
| 616 | GrAA::kYes>(fDraws[i].fQuad, fDraws[i].fSrcRect, |
| 617 | fDraws[i].fColor, origin, vertices + 4 * i, |
| 618 | iw[tidx], ih[tidx], tidx); |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 619 | } |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 620 | } else { |
| 621 | SkASSERT(gp->getVertexStride() == |
| 622 | sizeof(TextureGeometryProcessor::MultiTextureVertex)); |
| 623 | auto vertices = static_cast<TextureGeometryProcessor::MultiTextureVertex*>(vdata); |
| 624 | for (int i = 0; i < fDraws.count(); ++i) { |
| 625 | auto tidx = fDraws[i].fTextureIdx; |
| 626 | GrSurfaceOrigin origin = proxies[tidx]->origin(); |
| 627 | tessellate_quad<TextureGeometryProcessor::MultiTextureVertex, true, GrAA::kNo>( |
| 628 | fDraws[i].fQuad, fDraws[i].fSrcRect, fDraws[i].fColor, origin, |
| 629 | vertices + 4 * i, iw[tidx], ih[tidx], tidx); |
| 630 | } |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 631 | } |
| 632 | } |
| 633 | GrPrimitiveType primitiveType = |
| 634 | fDraws.count() > 1 ? GrPrimitiveType::kTriangles : GrPrimitiveType::kTriangleStrip; |
| 635 | GrMesh mesh(primitiveType); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 636 | if (fDraws.count() > 1) { |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 637 | sk_sp<const GrBuffer> ibuffer = target->resourceProvider()->refQuadIndexBuffer(); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 638 | if (!ibuffer) { |
| 639 | SkDebugf("Could not allocate quad indices\n"); |
| 640 | return; |
| 641 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 642 | mesh.setIndexedPatterned(ibuffer.get(), 6, 4, fDraws.count(), |
| 643 | GrResourceProvider::QuadCountOfQuadBuffer()); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 644 | } else { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 645 | mesh.setNonIndexedNonInstanced(4); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 646 | } |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 647 | mesh.setVertexData(vbuffer, vstart); |
| 648 | target->draw(gp.get(), pipeline, mesh); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override { |
| 652 | const auto* that = t->cast<TextureOp>(); |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 653 | const auto& shaderCaps = *caps.shaderCaps(); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 654 | if (!GrColorSpaceXform::Equals(fColorSpaceXform.get(), that->fColorSpaceXform.get())) { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 655 | return false; |
| 656 | } |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 657 | if (this->aaType() != that->aaType()) { |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 658 | return false; |
| 659 | } |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 660 | // Because of an issue where GrColorSpaceXform adds the same function every time it is used |
| 661 | // in a texture lookup, we only allow multiple textures when there is no transform. |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 662 | if (TextureGeometryProcessor::SupportsMultitexture(shaderCaps) && !fColorSpaceXform && |
| 663 | fMaxApproxDstPixelArea <= shaderCaps.disableImageMultitexturingDstRectAreaThreshold() && |
| 664 | that->fMaxApproxDstPixelArea <= |
| 665 | shaderCaps.disableImageMultitexturingDstRectAreaThreshold()) { |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 666 | int map[kMaxTextures]; |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 667 | int numNewProxies = this->mergeProxies(that, map, shaderCaps); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 668 | if (numNewProxies < 0) { |
| 669 | return false; |
| 670 | } |
| 671 | if (1 == fProxyCnt && numNewProxies) { |
| 672 | void* mem = new char[(sizeof(GrSamplerState::Filter) + sizeof(GrTextureProxy*)) * |
| 673 | kMaxTextures]; |
| 674 | auto proxies = reinterpret_cast<GrTextureProxy**>(mem); |
| 675 | auto filters = reinterpret_cast<GrSamplerState::Filter*>(proxies + kMaxTextures); |
| 676 | proxies[0] = fProxy0; |
| 677 | filters[0] = fFilter0; |
| 678 | fProxyArray = proxies; |
| 679 | } |
| 680 | fProxyCnt += numNewProxies; |
| 681 | auto thisProxies = fProxyArray; |
| 682 | auto thatProxies = that->proxies(); |
| 683 | auto thatFilters = that->filters(); |
| 684 | auto thisFilters = reinterpret_cast<GrSamplerState::Filter*>(thisProxies + |
| 685 | kMaxTextures); |
| 686 | for (int i = 0; i < that->fProxyCnt; ++i) { |
| 687 | if (map[i] < 0) { |
| 688 | thatProxies[i]->addPendingRead(); |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 689 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 690 | thisProxies[-map[i]] = thatProxies[i]; |
| 691 | thisFilters[-map[i]] = thatFilters[i]; |
| 692 | map[i] = -map[i]; |
| 693 | } |
| 694 | } |
| 695 | int firstNewDraw = fDraws.count(); |
| 696 | fDraws.push_back_n(that->fDraws.count(), that->fDraws.begin()); |
| 697 | for (int i = firstNewDraw; i < fDraws.count(); ++i) { |
| 698 | fDraws[i].fTextureIdx = map[fDraws[i].fTextureIdx]; |
| 699 | } |
| 700 | } else { |
Brian Salomon | bbf0575 | 2017-11-30 11:30:48 -0500 | [diff] [blame] | 701 | // We can get here when one of the ops is already multitextured but the other cannot |
| 702 | // be because of the dst rect size. |
| 703 | if (fProxyCnt > 1 || that->fProxyCnt > 1) { |
| 704 | return false; |
| 705 | } |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 706 | if (fProxy0->uniqueID() != that->fProxy0->uniqueID() || fFilter0 != that->fFilter0) { |
| 707 | return false; |
| 708 | } |
| 709 | fDraws.push_back_n(that->fDraws.count(), that->fDraws.begin()); |
| 710 | } |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 711 | this->joinBounds(*that); |
Brian Salomon | 762d5e7 | 2017-12-01 10:25:08 -0500 | [diff] [blame] | 712 | fMaxApproxDstPixelArea = SkTMax(that->fMaxApproxDstPixelArea, fMaxApproxDstPixelArea); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 713 | return true; |
| 714 | } |
| 715 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 716 | /** |
| 717 | * Determines a mapping of indices from that's proxy array to this's proxy array. A negative map |
| 718 | * value means that's proxy should be added to this's proxy array at the absolute value of |
| 719 | * the map entry. If it is determined that the ops shouldn't combine their proxies then a |
| 720 | * negative value is returned. Otherwise, return value indicates the number of proxies that have |
| 721 | * to be added to this op or, equivalently, the number of negative entries in map. |
| 722 | */ |
| 723 | int mergeProxies(const TextureOp* that, int map[kMaxTextures], const GrShaderCaps& caps) const { |
| 724 | std::fill_n(map, kMaxTextures, -kMaxTextures); |
| 725 | int sharedProxyCnt = 0; |
| 726 | auto thisProxies = this->proxies(); |
| 727 | auto thisFilters = this->filters(); |
| 728 | auto thatProxies = that->proxies(); |
| 729 | auto thatFilters = that->filters(); |
| 730 | for (int i = 0; i < fProxyCnt; ++i) { |
| 731 | for (int j = 0; j < that->fProxyCnt; ++j) { |
| 732 | if (thisProxies[i]->uniqueID() == thatProxies[j]->uniqueID()) { |
| 733 | if (thisFilters[i] != thatFilters[j]) { |
| 734 | // In GL we don't currently support using the same texture with different |
| 735 | // samplers. If we added support for sampler objects and a cap bit to know |
| 736 | // it's ok to use different filter modes then we could support this. |
| 737 | // Otherwise, we could also only allow a single filter mode for each op |
| 738 | // instance. |
| 739 | return -1; |
| 740 | } |
| 741 | map[j] = i; |
| 742 | ++sharedProxyCnt; |
| 743 | break; |
| 744 | } |
| 745 | } |
| 746 | } |
Brian Salomon | 2b6f614 | 2017-11-13 11:49:13 -0500 | [diff] [blame] | 747 | int actualMaxTextures = SkTMin(caps.maxFragmentSamplers(), kMaxTextures); |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 748 | int newProxyCnt = that->fProxyCnt - sharedProxyCnt; |
| 749 | if (newProxyCnt + fProxyCnt > actualMaxTextures) { |
| 750 | return -1; |
| 751 | } |
| 752 | GrPixelConfig config = thisProxies[0]->config(); |
| 753 | int nextSlot = fProxyCnt; |
| 754 | for (int j = 0; j < that->fProxyCnt; ++j) { |
| 755 | // We want to avoid making many shaders because of different permutations of shader |
| 756 | // based swizzle and sampler types. The approach taken here is to require the configs to |
| 757 | // be the same and to only allow already instantiated proxies that have the most |
| 758 | // common sampler type. Otherwise we don't merge. |
| 759 | if (thatProxies[j]->config() != config) { |
| 760 | return -1; |
| 761 | } |
| 762 | if (GrTexture* tex = thatProxies[j]->priv().peekTexture()) { |
| 763 | if (tex->texturePriv().samplerType() != kTexture2DSampler_GrSLType) { |
| 764 | return -1; |
| 765 | } |
| 766 | } |
| 767 | if (map[j] < 0) { |
| 768 | map[j] = -(nextSlot++); |
| 769 | } |
| 770 | } |
| 771 | return newProxyCnt; |
| 772 | } |
| 773 | |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 774 | GrAAType aaType() const { return static_cast<GrAAType>(fAAType); } |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 775 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 776 | GrTextureProxy* const* proxies() const { return fProxyCnt > 1 ? fProxyArray : &fProxy0; } |
| 777 | |
| 778 | const GrSamplerState::Filter* filters() const { |
| 779 | if (fProxyCnt > 1) { |
| 780 | return reinterpret_cast<const GrSamplerState::Filter*>(fProxyArray + kMaxTextures); |
| 781 | } |
| 782 | return &fFilter0; |
| 783 | } |
| 784 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 785 | struct Draw { |
| 786 | SkRect fSrcRect; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 787 | int fTextureIdx; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 788 | GrQuad fQuad; |
| 789 | GrColor fColor; |
| 790 | }; |
| 791 | SkSTArray<1, Draw, true> fDraws; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 792 | sk_sp<GrColorSpaceXform> fColorSpaceXform; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 793 | // Initially we store a single proxy ptr and a single filter. If we grow to have more than |
| 794 | // one proxy we instead store pointers to dynamically allocated arrays of size kMaxTextures |
| 795 | // followed by kMaxTextures filters. |
| 796 | union { |
| 797 | GrTextureProxy* fProxy0; |
| 798 | GrTextureProxy** fProxyArray; |
| 799 | }; |
Brian Salomon | bbf0575 | 2017-11-30 11:30:48 -0500 | [diff] [blame] | 800 | size_t fMaxApproxDstPixelArea; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 801 | GrSamplerState::Filter fFilter0; |
| 802 | uint8_t fProxyCnt; |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 803 | unsigned fAAType : 2; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 804 | // Used to track whether fProxy is ref'ed or has a pending IO after finalize() is called. |
Brian Salomon | b5ef1f9 | 2018-01-11 11:46:21 -0500 | [diff] [blame] | 805 | unsigned fFinalized : 1; |
| 806 | unsigned fAllowSRGBInputs : 1; |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 807 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 808 | typedef GrMeshDrawOp INHERITED; |
| 809 | }; |
| 810 | |
Brian Salomon | 336ce7b | 2017-09-08 08:23:58 -0400 | [diff] [blame] | 811 | constexpr int TextureGeometryProcessor::kMaxTextures; |
| 812 | constexpr int TextureOp::kMaxTextures; |
| 813 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 814 | } // anonymous namespace |
| 815 | |
| 816 | namespace GrTextureOp { |
| 817 | |
Brian Salomon | 2bbdcc4 | 2017-09-07 12:36:34 -0400 | [diff] [blame] | 818 | std::unique_ptr<GrDrawOp> Make(sk_sp<GrTextureProxy> proxy, GrSamplerState::Filter filter, |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 819 | GrColor color, const SkRect& srcRect, const SkRect& dstRect, |
| 820 | GrAAType aaType, const SkMatrix& viewMatrix, |
| 821 | sk_sp<GrColorSpaceXform> csxf, bool allowSRGBInputs) { |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 822 | SkASSERT(!viewMatrix.hasPerspective()); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 823 | return TextureOp::Make(std::move(proxy), filter, color, srcRect, dstRect, aaType, viewMatrix, |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 824 | std::move(csxf), allowSRGBInputs); |
| 825 | } |
| 826 | |
| 827 | } // namespace GrTextureOp |
| 828 | |
| 829 | #if GR_TEST_UTILS |
| 830 | #include "GrContext.h" |
Robert Phillips | 1afd4cd | 2018-01-08 13:40:32 -0500 | [diff] [blame] | 831 | #include "GrContextPriv.h" |
Robert Phillips | 0bd24dc | 2018-01-16 08:06:32 -0500 | [diff] [blame] | 832 | #include "GrProxyProvider.h" |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 833 | |
| 834 | GR_DRAW_OP_TEST_DEFINE(TextureOp) { |
| 835 | GrSurfaceDesc desc; |
| 836 | desc.fConfig = kRGBA_8888_GrPixelConfig; |
| 837 | desc.fHeight = random->nextULessThan(90) + 10; |
| 838 | desc.fWidth = random->nextULessThan(90) + 10; |
Brian Salomon | 2a4f983 | 2018-03-03 22:43:43 -0500 | [diff] [blame] | 839 | auto origin = random->nextBool() ? kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin; |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 840 | SkBackingFit fit = random->nextBool() ? SkBackingFit::kApprox : SkBackingFit::kExact; |
Robert Phillips | 0bd24dc | 2018-01-16 08:06:32 -0500 | [diff] [blame] | 841 | |
| 842 | GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider(); |
Brian Salomon | 2a4f983 | 2018-03-03 22:43:43 -0500 | [diff] [blame] | 843 | sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(desc, origin, fit, SkBudgeted::kNo); |
Robert Phillips | 0bd24dc | 2018-01-16 08:06:32 -0500 | [diff] [blame] | 844 | |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 845 | SkRect rect = GrTest::TestRect(random); |
| 846 | SkRect srcRect; |
| 847 | srcRect.fLeft = random->nextRangeScalar(0.f, proxy->width() / 2.f); |
| 848 | srcRect.fRight = random->nextRangeScalar(0.f, proxy->width()) + proxy->width() / 2.f; |
| 849 | srcRect.fTop = random->nextRangeScalar(0.f, proxy->height() / 2.f); |
| 850 | srcRect.fBottom = random->nextRangeScalar(0.f, proxy->height()) + proxy->height() / 2.f; |
| 851 | SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random); |
| 852 | GrColor color = SkColorToPremulGrColor(random->nextU()); |
Brian Salomon | 2bbdcc4 | 2017-09-07 12:36:34 -0400 | [diff] [blame] | 853 | GrSamplerState::Filter filter = (GrSamplerState::Filter)random->nextULessThan( |
| 854 | static_cast<uint32_t>(GrSamplerState::Filter::kMipMap) + 1); |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 855 | auto csxf = GrTest::TestColorXform(random); |
| 856 | bool allowSRGBInputs = random->nextBool(); |
Brian Salomon | 485b8c6 | 2018-01-12 15:11:06 -0500 | [diff] [blame] | 857 | GrAAType aaType = GrAAType::kNone; |
| 858 | if (random->nextBool()) { |
| 859 | aaType = (fsaaType == GrFSAAType::kUnifiedMSAA) ? GrAAType::kMSAA : GrAAType::kCoverage; |
| 860 | } |
| 861 | return GrTextureOp::Make(std::move(proxy), filter, color, srcRect, rect, aaType, viewMatrix, |
Brian Salomon | 3416969 | 2017-08-28 15:32:01 -0400 | [diff] [blame] | 862 | std::move(csxf), allowSRGBInputs); |
| 863 | } |
| 864 | |
| 865 | #endif |