bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "src/gpu/GrCoordTransform.h" |
| 9 | #include "src/gpu/GrFragmentProcessor.h" |
| 10 | #include "src/gpu/GrPipeline.h" |
| 11 | #include "src/gpu/GrProcessorAnalysis.h" |
| 12 | #include "src/gpu/effects/GrXfermodeFragmentProcessor.h" |
| 13 | #include "src/gpu/effects/generated/GrConstColorProcessor.h" |
| 14 | #include "src/gpu/effects/generated/GrOverrideInputFragmentProcessor.h" |
| 15 | #include "src/gpu/effects/generated/GrPremulInputFragmentProcessor.h" |
| 16 | #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| 17 | #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| 18 | #include "src/gpu/glsl/GrGLSLProgramDataManager.h" |
| 19 | #include "src/gpu/glsl/GrGLSLUniformHandler.h" |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 20 | |
bsalomon | 7312ff8 | 2016-09-12 08:55:38 -0700 | [diff] [blame] | 21 | bool GrFragmentProcessor::isEqual(const GrFragmentProcessor& that) const { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 22 | if (this->classID() != that.classID()) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 23 | return false; |
| 24 | } |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 25 | if (this->numTextureSamplers() != that.numTextureSamplers()) { |
| 26 | return false; |
| 27 | } |
| 28 | for (int i = 0; i < this->numTextureSamplers(); ++i) { |
| 29 | if (this->textureSampler(i) != that.textureSampler(i)) { |
| 30 | return false; |
| 31 | } |
| 32 | } |
bsalomon | 7312ff8 | 2016-09-12 08:55:38 -0700 | [diff] [blame] | 33 | if (!this->hasSameTransforms(that)) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 34 | return false; |
| 35 | } |
| 36 | if (!this->onIsEqual(that)) { |
| 37 | return false; |
| 38 | } |
| 39 | if (this->numChildProcessors() != that.numChildProcessors()) { |
| 40 | return false; |
| 41 | } |
| 42 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
bsalomon | 7312ff8 | 2016-09-12 08:55:38 -0700 | [diff] [blame] | 43 | if (!this->childProcessor(i).isEqual(that.childProcessor(i))) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 44 | return false; |
| 45 | } |
| 46 | } |
| 47 | return true; |
| 48 | } |
| 49 | |
Chris Dalton | 7eb5c0f | 2019-05-23 15:15:47 -0600 | [diff] [blame] | 50 | void GrFragmentProcessor::visitProxies(const GrOp::VisitProxyFunc& func) { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 51 | GrFragmentProcessor::TextureAccessIter iter(this); |
| 52 | while (const TextureSampler* sampler = iter.next()) { |
Chris Dalton | 7eb5c0f | 2019-05-23 15:15:47 -0600 | [diff] [blame] | 53 | bool mipped = (GrSamplerState::Filter::kMipMap == sampler->samplerState().filter()); |
| 54 | func(sampler->proxy(), GrMipMapped(mipped)); |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 55 | } |
| 56 | } |
| 57 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 58 | GrGLSLFragmentProcessor* GrFragmentProcessor::createGLSLInstance() const { |
| 59 | GrGLSLFragmentProcessor* glFragProc = this->onCreateGLSLInstance(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 60 | glFragProc->fChildProcessors.push_back_n(fChildProcessors.count()); |
| 61 | for (int i = 0; i < fChildProcessors.count(); ++i) { |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 62 | glFragProc->fChildProcessors[i] = fChildProcessors[i]->createGLSLInstance(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 63 | } |
| 64 | return glFragProc; |
| 65 | } |
| 66 | |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 67 | const GrFragmentProcessor::TextureSampler& GrFragmentProcessor::textureSampler(int i) const { |
| 68 | SkASSERT(i >= 0 && i < fTextureSamplerCnt); |
| 69 | return this->onTextureSampler(i); |
| 70 | } |
| 71 | |
Ethan Nicholas | d4efe68 | 2019-08-29 16:10:13 -0400 | [diff] [blame] | 72 | void GrFragmentProcessor::addCoordTransform(GrCoordTransform* transform) { |
| 73 | transform->setComputeInVertexShader(this->computeLocalCoordsInVertexShader()); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 74 | fCoordTransforms.push_back(transform); |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 75 | fFlags |= kUsesLocalCoords_Flag; |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 76 | SkDEBUGCODE(transform->setInProcessor();) |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 77 | } |
| 78 | |
Robert Phillips | 82774f8 | 2019-06-20 14:38:27 -0400 | [diff] [blame] | 79 | #ifdef SK_DEBUG |
| 80 | bool GrFragmentProcessor::isInstantiated() const { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 81 | for (int i = 0; i < fTextureSamplerCnt; ++i) { |
Robert Phillips | 82774f8 | 2019-06-20 14:38:27 -0400 | [diff] [blame] | 82 | if (!this->textureSampler(i).isInstantiated()) { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 83 | return false; |
| 84 | } |
Robert Phillips | a91e0b7 | 2017-05-01 13:12:20 -0400 | [diff] [blame] | 85 | } |
| 86 | |
Robert Phillips | 9bee2e5 | 2017-05-29 12:37:20 -0400 | [diff] [blame] | 87 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
Robert Phillips | 82774f8 | 2019-06-20 14:38:27 -0400 | [diff] [blame] | 88 | if (!this->childProcessor(i).isInstantiated()) { |
Robert Phillips | 9bee2e5 | 2017-05-29 12:37:20 -0400 | [diff] [blame] | 89 | return false; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | return true; |
| 94 | } |
Robert Phillips | 82774f8 | 2019-06-20 14:38:27 -0400 | [diff] [blame] | 95 | #endif |
Robert Phillips | 9bee2e5 | 2017-05-29 12:37:20 -0400 | [diff] [blame] | 96 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 97 | int GrFragmentProcessor::registerChildProcessor(std::unique_ptr<GrFragmentProcessor> child) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 98 | if (child->usesLocalCoords()) { |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 99 | fFlags |= kUsesLocalCoords_Flag; |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 100 | } |
Chris Dalton | d7291ba | 2019-03-07 14:17:03 -0700 | [diff] [blame] | 101 | fRequestedFeatures |= child->fRequestedFeatures; |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 102 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 103 | int index = fChildProcessors.count(); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 104 | fChildProcessors.push_back(std::move(child)); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 105 | |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 106 | return index; |
| 107 | } |
| 108 | |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 109 | bool GrFragmentProcessor::hasSameTransforms(const GrFragmentProcessor& that) const { |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 110 | if (this->numCoordTransforms() != that.numCoordTransforms()) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 111 | return false; |
| 112 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 113 | int count = this->numCoordTransforms(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 114 | for (int i = 0; i < count; ++i) { |
Robert Phillips | 67c18d6 | 2017-01-20 12:44:06 -0500 | [diff] [blame] | 115 | if (!this->coordTransform(i).hasSameEffectAs(that.coordTransform(i))) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 116 | return false; |
| 117 | } |
| 118 | } |
| 119 | return true; |
| 120 | } |
| 121 | |
Mike Reed | 28eaed2 | 2018-02-01 11:24:53 -0500 | [diff] [blame] | 122 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MulChildByInputAlpha( |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 123 | std::unique_ptr<GrFragmentProcessor> fp) { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 124 | if (!fp) { |
| 125 | return nullptr; |
| 126 | } |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 127 | return GrXfermodeFragmentProcessor::MakeFromDstProcessor(std::move(fp), SkBlendMode::kDstIn); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 128 | } |
| 129 | |
Mike Reed | 28eaed2 | 2018-02-01 11:24:53 -0500 | [diff] [blame] | 130 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MulInputByChildAlpha( |
| 131 | std::unique_ptr<GrFragmentProcessor> fp) { |
| 132 | if (!fp) { |
| 133 | return nullptr; |
| 134 | } |
| 135 | return GrXfermodeFragmentProcessor::MakeFromDstProcessor(std::move(fp), SkBlendMode::kSrcIn); |
| 136 | } |
| 137 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 138 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::PremulInput( |
| 139 | std::unique_ptr<GrFragmentProcessor> fp) { |
dvonbeck | c526da9 | 2016-07-20 11:20:30 -0700 | [diff] [blame] | 140 | if (!fp) { |
| 141 | return nullptr; |
| 142 | } |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 143 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { GrPremulInputFragmentProcessor::Make(), |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 144 | std::move(fp) }; |
dvonbeck | c526da9 | 2016-07-20 11:20:30 -0700 | [diff] [blame] | 145 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 146 | } |
| 147 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 148 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::SwizzleOutput( |
| 149 | std::unique_ptr<GrFragmentProcessor> fp, const GrSwizzle& swizzle) { |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 150 | class SwizzleFragmentProcessor : public GrFragmentProcessor { |
| 151 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 152 | static std::unique_ptr<GrFragmentProcessor> Make(const GrSwizzle& swizzle) { |
| 153 | return std::unique_ptr<GrFragmentProcessor>(new SwizzleFragmentProcessor(swizzle)); |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | const char* name() const override { return "Swizzle"; } |
| 157 | const GrSwizzle& swizzle() const { return fSwizzle; } |
| 158 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 159 | std::unique_ptr<GrFragmentProcessor> clone() const override { return Make(fSwizzle); } |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 160 | |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 161 | private: |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 162 | SwizzleFragmentProcessor(const GrSwizzle& swizzle) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 163 | : INHERITED(kSwizzleFragmentProcessor_ClassID, kAll_OptimizationFlags) |
Brian Salomon | f7dcd76 | 2018-07-30 14:48:15 -0400 | [diff] [blame] | 164 | , fSwizzle(swizzle) {} |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 165 | |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 166 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
| 167 | class GLFP : public GrGLSLFragmentProcessor { |
| 168 | public: |
| 169 | void emitCode(EmitArgs& args) override { |
| 170 | const SwizzleFragmentProcessor& sfp = args.fFp.cast<SwizzleFragmentProcessor>(); |
| 171 | const GrSwizzle& swizzle = sfp.swizzle(); |
| 172 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 173 | |
| 174 | fragBuilder->codeAppendf("%s = %s.%s;", |
| 175 | args.fOutputColor, args.fInputColor, swizzle.c_str()); |
| 176 | } |
| 177 | }; |
| 178 | return new GLFP; |
| 179 | } |
| 180 | |
| 181 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| 182 | b->add32(fSwizzle.asKey()); |
| 183 | } |
| 184 | |
| 185 | bool onIsEqual(const GrFragmentProcessor& other) const override { |
| 186 | const SwizzleFragmentProcessor& sfp = other.cast<SwizzleFragmentProcessor>(); |
| 187 | return fSwizzle == sfp.fSwizzle; |
| 188 | } |
| 189 | |
Brian Osman | 1d5b598 | 2018-10-01 13:41:39 -0400 | [diff] [blame] | 190 | SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override { |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 191 | return fSwizzle.applyTo(input); |
| 192 | } |
| 193 | |
| 194 | GrSwizzle fSwizzle; |
| 195 | |
| 196 | typedef GrFragmentProcessor INHERITED; |
| 197 | }; |
| 198 | |
| 199 | if (!fp) { |
| 200 | return nullptr; |
| 201 | } |
| 202 | if (GrSwizzle::RGBA() == swizzle) { |
| 203 | return fp; |
| 204 | } |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 205 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { std::move(fp), |
| 206 | SwizzleFragmentProcessor::Make(swizzle) }; |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 207 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 208 | } |
| 209 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 210 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MakeInputPremulAndMulByOutput( |
| 211 | std::unique_ptr<GrFragmentProcessor> fp) { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 212 | class PremulFragmentProcessor : public GrFragmentProcessor { |
| 213 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 214 | static std::unique_ptr<GrFragmentProcessor> Make( |
| 215 | std::unique_ptr<GrFragmentProcessor> processor) { |
| 216 | return std::unique_ptr<GrFragmentProcessor>( |
| 217 | new PremulFragmentProcessor(std::move(processor))); |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | const char* name() const override { return "Premultiply"; } |
| 221 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 222 | std::unique_ptr<GrFragmentProcessor> clone() const override { |
Brian Salomon | 96271cd | 2017-07-31 16:27:23 -0400 | [diff] [blame] | 223 | return Make(this->childProcessor(0).clone()); |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 224 | } |
| 225 | |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 226 | private: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 227 | PremulFragmentProcessor(std::unique_ptr<GrFragmentProcessor> processor) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 228 | : INHERITED(kPremulFragmentProcessor_ClassID, OptFlags(processor.get())) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 229 | this->registerChildProcessor(std::move(processor)); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 230 | } |
| 231 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 232 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 233 | class GLFP : public GrGLSLFragmentProcessor { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 234 | public: |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 235 | void emitCode(EmitArgs& args) override { |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 236 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
Ethan Nicholas | c6dce5a | 2019-07-24 16:51:36 -0400 | [diff] [blame] | 237 | this->invokeChild(0, args); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 238 | fragBuilder->codeAppendf("%s.rgb *= %s.rgb;", args.fOutputColor, |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 239 | args.fInputColor); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 240 | fragBuilder->codeAppendf("%s *= %s.a;", args.fOutputColor, args.fInputColor); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 241 | } |
| 242 | }; |
| 243 | return new GLFP; |
| 244 | } |
| 245 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 246 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {} |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 247 | |
| 248 | bool onIsEqual(const GrFragmentProcessor&) const override { return true; } |
| 249 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 250 | static OptimizationFlags OptFlags(const GrFragmentProcessor* inner) { |
| 251 | OptimizationFlags flags = kNone_OptimizationFlags; |
| 252 | if (inner->preservesOpaqueInput()) { |
| 253 | flags |= kPreservesOpaqueInput_OptimizationFlag; |
| 254 | } |
| 255 | if (inner->hasConstantOutputForConstantInput()) { |
| 256 | flags |= kConstantOutputForConstantInput_OptimizationFlag; |
| 257 | } |
| 258 | return flags; |
| 259 | } |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 260 | |
Brian Osman | 1d5b598 | 2018-10-01 13:41:39 -0400 | [diff] [blame] | 261 | SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override { |
| 262 | SkPMColor4f childColor = ConstantOutputForConstantInput(this->childProcessor(0), |
Brian Osman | f28e55d | 2018-10-03 16:35:54 -0400 | [diff] [blame] | 263 | SK_PMColor4fWHITE); |
Brian Osman | 1d5b598 | 2018-10-01 13:41:39 -0400 | [diff] [blame] | 264 | SkPMColor4f premulInput = SkColor4f{ input.fR, input.fG, input.fB, input.fA }.premul(); |
| 265 | return premulInput * childColor; |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | typedef GrFragmentProcessor INHERITED; |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 269 | }; |
| 270 | if (!fp) { |
| 271 | return nullptr; |
| 272 | } |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 273 | return PremulFragmentProcessor::Make(std::move(fp)); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | ////////////////////////////////////////////////////////////////////////////// |
| 277 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 278 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::OverrideInput( |
Brian Salomon | c0d79e5 | 2019-04-10 15:02:11 -0400 | [diff] [blame] | 279 | std::unique_ptr<GrFragmentProcessor> fp, const SkPMColor4f& color, bool useUniform) { |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 280 | if (!fp) { |
| 281 | return nullptr; |
| 282 | } |
Brian Salomon | c0d79e5 | 2019-04-10 15:02:11 -0400 | [diff] [blame] | 283 | return GrOverrideInputFragmentProcessor::Make(std::move(fp), color, useUniform); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 284 | } |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 285 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 286 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::RunInSeries( |
| 287 | std::unique_ptr<GrFragmentProcessor>* series, int cnt) { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 288 | class SeriesFragmentProcessor : public GrFragmentProcessor { |
| 289 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 290 | static std::unique_ptr<GrFragmentProcessor> Make( |
| 291 | std::unique_ptr<GrFragmentProcessor>* children, int cnt) { |
| 292 | return std::unique_ptr<GrFragmentProcessor>(new SeriesFragmentProcessor(children, cnt)); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | const char* name() const override { return "Series"; } |
| 296 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 297 | std::unique_ptr<GrFragmentProcessor> clone() const override { |
| 298 | SkSTArray<4, std::unique_ptr<GrFragmentProcessor>> children(this->numChildProcessors()); |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 299 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
| 300 | if (!children.push_back(this->childProcessor(i).clone())) { |
| 301 | return nullptr; |
| 302 | } |
| 303 | } |
| 304 | return Make(children.begin(), this->numChildProcessors()); |
| 305 | } |
| 306 | |
| 307 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 308 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 309 | class GLFP : public GrGLSLFragmentProcessor { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 310 | public: |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 311 | void emitCode(EmitArgs& args) override { |
dvonbeck | ca9eeab | 2016-07-06 12:00:06 -0700 | [diff] [blame] | 312 | // First guy's input might be nil. |
| 313 | SkString temp("out0"); |
Ethan Nicholas | c6dce5a | 2019-07-24 16:51:36 -0400 | [diff] [blame] | 314 | this->invokeChild(0, args.fInputColor, &temp, args); |
dvonbeck | ca9eeab | 2016-07-06 12:00:06 -0700 | [diff] [blame] | 315 | SkString input = temp; |
| 316 | for (int i = 1; i < this->numChildProcessors() - 1; ++i) { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 317 | temp.printf("out%d", i); |
Ethan Nicholas | c6dce5a | 2019-07-24 16:51:36 -0400 | [diff] [blame] | 318 | this->invokeChild(i, input.c_str(), &temp, args); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 319 | input = temp; |
| 320 | } |
| 321 | // Last guy writes to our output variable. |
Ethan Nicholas | c6dce5a | 2019-07-24 16:51:36 -0400 | [diff] [blame] | 322 | this->invokeChild(this->numChildProcessors() - 1, input.c_str(), args); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 323 | } |
| 324 | }; |
| 325 | return new GLFP; |
| 326 | } |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 327 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 328 | SeriesFragmentProcessor(std::unique_ptr<GrFragmentProcessor>* children, int cnt) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 329 | : INHERITED(kSeriesFragmentProcessor_ClassID, OptFlags(children, cnt)) { |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 330 | SkASSERT(cnt > 1); |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 331 | for (int i = 0; i < cnt; ++i) { |
| 332 | this->registerChildProcessor(std::move(children[i])); |
| 333 | } |
| 334 | } |
| 335 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 336 | static OptimizationFlags OptFlags(std::unique_ptr<GrFragmentProcessor>* children, int cnt) { |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 337 | OptimizationFlags flags = kAll_OptimizationFlags; |
| 338 | for (int i = 0; i < cnt && flags != kNone_OptimizationFlags; ++i) { |
| 339 | flags &= children[i]->optimizationFlags(); |
| 340 | } |
| 341 | return flags; |
| 342 | } |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 343 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {} |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 344 | |
| 345 | bool onIsEqual(const GrFragmentProcessor&) const override { return true; } |
| 346 | |
Brian Osman | 1d5b598 | 2018-10-01 13:41:39 -0400 | [diff] [blame] | 347 | SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& inColor) const override { |
| 348 | SkPMColor4f color = inColor; |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 349 | int childCnt = this->numChildProcessors(); |
| 350 | for (int i = 0; i < childCnt; ++i) { |
| 351 | color = ConstantOutputForConstantInput(this->childProcessor(i), color); |
| 352 | } |
| 353 | return color; |
| 354 | } |
| 355 | |
| 356 | typedef GrFragmentProcessor INHERITED; |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 357 | }; |
| 358 | |
| 359 | if (!cnt) { |
| 360 | return nullptr; |
| 361 | } |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 362 | if (1 == cnt) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 363 | return std::move(series[0]); |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 364 | } |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 365 | // Run the through the series, do the invariant output processing, and look for eliminations. |
Brian Salomon | 650ced0 | 2017-07-20 16:46:46 -0400 | [diff] [blame] | 366 | GrProcessorAnalysisColor inputColor; |
| 367 | inputColor.setToUnknown(); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 368 | GrColorFragmentProcessorAnalysis info(inputColor, unique_ptr_address_as_pointer_address(series), |
Brian Salomon | 650ced0 | 2017-07-20 16:46:46 -0400 | [diff] [blame] | 369 | cnt); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 370 | SkTArray<std::unique_ptr<GrFragmentProcessor>> replacementSeries; |
Brian Osman | f28e55d | 2018-10-03 16:35:54 -0400 | [diff] [blame] | 371 | SkPMColor4f knownColor; |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 372 | int leadingFPsToEliminate = info.initialProcessorsToEliminate(&knownColor); |
| 373 | if (leadingFPsToEliminate) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 374 | std::unique_ptr<GrFragmentProcessor> colorFP( |
Ethan Nicholas | e9d172a | 2017-11-20 12:12:24 -0500 | [diff] [blame] | 375 | GrConstColorProcessor::Make(knownColor, GrConstColorProcessor::InputMode::kIgnore)); |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 376 | if (leadingFPsToEliminate == cnt) { |
| 377 | return colorFP; |
| 378 | } |
| 379 | cnt = cnt - leadingFPsToEliminate + 1; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 380 | replacementSeries.reserve(cnt); |
| 381 | replacementSeries.emplace_back(std::move(colorFP)); |
| 382 | for (int i = 0; i < cnt - 1; ++i) { |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 383 | replacementSeries.emplace_back(std::move(series[leadingFPsToEliminate + i])); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 384 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 385 | series = replacementSeries.begin(); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 386 | } |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 387 | return SeriesFragmentProcessor::Make(series, cnt); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 388 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 389 | |
| 390 | ////////////////////////////////////////////////////////////////////////////// |
| 391 | |
| 392 | GrFragmentProcessor::Iter::Iter(const GrPipeline& pipeline) { |
| 393 | for (int i = pipeline.numFragmentProcessors() - 1; i >= 0; --i) { |
| 394 | fFPStack.push_back(&pipeline.getFragmentProcessor(i)); |
| 395 | } |
| 396 | } |
| 397 | |
Chris Dalton | 1c54894 | 2018-05-22 13:09:48 -0600 | [diff] [blame] | 398 | GrFragmentProcessor::Iter::Iter(const GrPaint& paint) { |
| 399 | for (int i = paint.numCoverageFragmentProcessors() - 1; i >= 0; --i) { |
| 400 | fFPStack.push_back(paint.getCoverageFragmentProcessor(i)); |
| 401 | } |
| 402 | for (int i = paint.numColorFragmentProcessors() - 1; i >= 0; --i) { |
| 403 | fFPStack.push_back(paint.getColorFragmentProcessor(i)); |
| 404 | } |
| 405 | } |
| 406 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 407 | const GrFragmentProcessor* GrFragmentProcessor::Iter::next() { |
| 408 | if (fFPStack.empty()) { |
| 409 | return nullptr; |
| 410 | } |
| 411 | const GrFragmentProcessor* back = fFPStack.back(); |
| 412 | fFPStack.pop_back(); |
| 413 | for (int i = back->numChildProcessors() - 1; i >= 0; --i) { |
| 414 | fFPStack.push_back(&back->childProcessor(i)); |
| 415 | } |
| 416 | return back; |
| 417 | } |
| 418 | |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 419 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 420 | |
| 421 | GrFragmentProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy, |
| 422 | const GrSamplerState& samplerState) { |
| 423 | this->reset(std::move(proxy), samplerState); |
| 424 | } |
| 425 | |
| 426 | GrFragmentProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy, |
| 427 | GrSamplerState::Filter filterMode, |
| 428 | GrSamplerState::WrapMode wrapXAndY) { |
| 429 | this->reset(std::move(proxy), filterMode, wrapXAndY); |
| 430 | } |
| 431 | |
| 432 | void GrFragmentProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy, |
| 433 | const GrSamplerState& samplerState) { |
Robert Phillips | b520476 | 2019-06-19 14:12:13 -0400 | [diff] [blame] | 434 | fProxy = std::move(proxy); |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 435 | fSamplerState = samplerState; |
| 436 | fSamplerState.setFilterMode(SkTMin(samplerState.filter(), this->proxy()->highestFilterMode())); |
| 437 | } |
| 438 | |
| 439 | void GrFragmentProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy, |
| 440 | GrSamplerState::Filter filterMode, |
| 441 | GrSamplerState::WrapMode wrapXAndY) { |
Robert Phillips | b520476 | 2019-06-19 14:12:13 -0400 | [diff] [blame] | 442 | fProxy = std::move(proxy); |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 443 | filterMode = SkTMin(filterMode, this->proxy()->highestFilterMode()); |
| 444 | fSamplerState = GrSamplerState(wrapXAndY, filterMode); |
| 445 | } |