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 | |
| 8 | #include "GrFragmentProcessor.h" |
| 9 | #include "GrCoordTransform.h" |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 10 | #include "GrPipeline.h" |
Brian Salomon | a811b12 | 2017-03-30 08:21:32 -0400 | [diff] [blame] | 11 | #include "GrProcessorAnalysis.h" |
Brian Salomon | c0b642c | 2017-03-27 13:09:36 -0400 | [diff] [blame] | 12 | #include "effects/GrConstColorProcessor.h" |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 13 | #include "effects/GrPremulInputFragmentProcessor.h" |
Brian Salomon | c0b642c | 2017-03-27 13:09:36 -0400 | [diff] [blame] | 14 | #include "effects/GrXfermodeFragmentProcessor.h" |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 15 | #include "effects/GrUnpremulInputFragmentProcessor.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 16 | #include "glsl/GrGLSLFragmentProcessor.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 17 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 18 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 19 | #include "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 | |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 50 | void GrFragmentProcessor::visitProxies(const std::function<void(GrSurfaceProxy*)>& func) { |
| 51 | GrFragmentProcessor::TextureAccessIter iter(this); |
| 52 | while (const TextureSampler* sampler = iter.next()) { |
| 53 | func(sampler->proxy()); |
| 54 | } |
| 55 | } |
| 56 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 57 | GrGLSLFragmentProcessor* GrFragmentProcessor::createGLSLInstance() const { |
| 58 | GrGLSLFragmentProcessor* glFragProc = this->onCreateGLSLInstance(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 59 | glFragProc->fChildProcessors.push_back_n(fChildProcessors.count()); |
| 60 | for (int i = 0; i < fChildProcessors.count(); ++i) { |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 61 | glFragProc->fChildProcessors[i] = fChildProcessors[i]->createGLSLInstance(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 62 | } |
| 63 | return glFragProc; |
| 64 | } |
| 65 | |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 66 | const GrFragmentProcessor::TextureSampler& GrFragmentProcessor::textureSampler(int i) const { |
| 67 | SkASSERT(i >= 0 && i < fTextureSamplerCnt); |
| 68 | return this->onTextureSampler(i); |
| 69 | } |
| 70 | |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 71 | void GrFragmentProcessor::addCoordTransform(const GrCoordTransform* transform) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 72 | fCoordTransforms.push_back(transform); |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 73 | fFlags |= kUsesLocalCoords_Flag; |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 74 | SkDEBUGCODE(transform->setInProcessor();) |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 75 | } |
| 76 | |
Robert Phillips | 9bee2e5 | 2017-05-29 12:37:20 -0400 | [diff] [blame] | 77 | bool GrFragmentProcessor::instantiate(GrResourceProvider* resourceProvider) const { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 78 | for (int i = 0; i < fTextureSamplerCnt; ++i) { |
| 79 | if (!this->textureSampler(i).instantiate(resourceProvider)) { |
| 80 | return false; |
| 81 | } |
Robert Phillips | a91e0b7 | 2017-05-01 13:12:20 -0400 | [diff] [blame] | 82 | } |
| 83 | |
Robert Phillips | 9bee2e5 | 2017-05-29 12:37:20 -0400 | [diff] [blame] | 84 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
| 85 | if (!this->childProcessor(i).instantiate(resourceProvider)) { |
| 86 | return false; |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | return true; |
| 91 | } |
| 92 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 93 | void GrFragmentProcessor::markPendingExecution() const { |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 94 | for (int i = 0; i < fTextureSamplerCnt; ++i) { |
Brian Salomon | ee78396 | 2018-08-01 09:55:10 -0400 | [diff] [blame] | 95 | auto* ref = this->textureSampler(i).proxyRef(); |
| 96 | ref->markPendingIO(); |
| 97 | ref->removeRef(); |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 98 | } |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 99 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
| 100 | this->childProcessor(i).markPendingExecution(); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | int GrFragmentProcessor::registerChildProcessor(std::unique_ptr<GrFragmentProcessor> child) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 105 | if (child->usesLocalCoords()) { |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 106 | fFlags |= kUsesLocalCoords_Flag; |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 107 | } |
| 108 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 109 | int index = fChildProcessors.count(); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 110 | fChildProcessors.push_back(std::move(child)); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 111 | |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 112 | return index; |
| 113 | } |
| 114 | |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 115 | bool GrFragmentProcessor::hasSameTransforms(const GrFragmentProcessor& that) const { |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 116 | if (this->numCoordTransforms() != that.numCoordTransforms()) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 117 | return false; |
| 118 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 119 | int count = this->numCoordTransforms(); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 120 | for (int i = 0; i < count; ++i) { |
Robert Phillips | 67c18d6 | 2017-01-20 12:44:06 -0500 | [diff] [blame] | 121 | if (!this->coordTransform(i).hasSameEffectAs(that.coordTransform(i))) { |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 122 | return false; |
| 123 | } |
| 124 | } |
| 125 | return true; |
| 126 | } |
| 127 | |
Mike Reed | 28eaed2 | 2018-02-01 11:24:53 -0500 | [diff] [blame] | 128 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MulChildByInputAlpha( |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 129 | std::unique_ptr<GrFragmentProcessor> fp) { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 130 | if (!fp) { |
| 131 | return nullptr; |
| 132 | } |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 133 | return GrXfermodeFragmentProcessor::MakeFromDstProcessor(std::move(fp), SkBlendMode::kDstIn); |
bsalomon | bf87730 | 2015-09-22 09:06:13 -0700 | [diff] [blame] | 134 | } |
| 135 | |
Mike Reed | 28eaed2 | 2018-02-01 11:24:53 -0500 | [diff] [blame] | 136 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MulInputByChildAlpha( |
| 137 | std::unique_ptr<GrFragmentProcessor> fp) { |
| 138 | if (!fp) { |
| 139 | return nullptr; |
| 140 | } |
| 141 | return GrXfermodeFragmentProcessor::MakeFromDstProcessor(std::move(fp), SkBlendMode::kSrcIn); |
| 142 | } |
| 143 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 144 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::PremulInput( |
| 145 | std::unique_ptr<GrFragmentProcessor> fp) { |
dvonbeck | c526da9 | 2016-07-20 11:20:30 -0700 | [diff] [blame] | 146 | if (!fp) { |
| 147 | return nullptr; |
| 148 | } |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 149 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { GrPremulInputFragmentProcessor::Make(), |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 150 | std::move(fp) }; |
dvonbeck | c526da9 | 2016-07-20 11:20:30 -0700 | [diff] [blame] | 151 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 152 | } |
| 153 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 154 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::PremulOutput( |
| 155 | std::unique_ptr<GrFragmentProcessor> fp) { |
Brian Osman | de1a605 | 2017-03-22 10:57:00 -0400 | [diff] [blame] | 156 | if (!fp) { |
| 157 | return nullptr; |
| 158 | } |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 159 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { std::move(fp), |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 160 | GrPremulInputFragmentProcessor::Make() }; |
Brian Osman | de1a605 | 2017-03-22 10:57:00 -0400 | [diff] [blame] | 161 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 162 | } |
| 163 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 164 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::UnpremulOutput( |
| 165 | std::unique_ptr<GrFragmentProcessor> fp) { |
Brian Osman | de1a605 | 2017-03-22 10:57:00 -0400 | [diff] [blame] | 166 | if (!fp) { |
| 167 | return nullptr; |
| 168 | } |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 169 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { std::move(fp), |
Ethan Nicholas | be0a042 | 2017-11-17 13:44:05 -0500 | [diff] [blame] | 170 | GrUnpremulInputFragmentProcessor::Make() }; |
Brian Osman | de1a605 | 2017-03-22 10:57:00 -0400 | [diff] [blame] | 171 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 172 | } |
| 173 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 174 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::SwizzleOutput( |
| 175 | std::unique_ptr<GrFragmentProcessor> fp, const GrSwizzle& swizzle) { |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 176 | class SwizzleFragmentProcessor : public GrFragmentProcessor { |
| 177 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 178 | static std::unique_ptr<GrFragmentProcessor> Make(const GrSwizzle& swizzle) { |
| 179 | return std::unique_ptr<GrFragmentProcessor>(new SwizzleFragmentProcessor(swizzle)); |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | const char* name() const override { return "Swizzle"; } |
| 183 | const GrSwizzle& swizzle() const { return fSwizzle; } |
| 184 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 185 | std::unique_ptr<GrFragmentProcessor> clone() const override { return Make(fSwizzle); } |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 186 | |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 187 | private: |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 188 | SwizzleFragmentProcessor(const GrSwizzle& swizzle) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 189 | : INHERITED(kSwizzleFragmentProcessor_ClassID, kAll_OptimizationFlags) |
Brian Salomon | f7dcd76 | 2018-07-30 14:48:15 -0400 | [diff] [blame] | 190 | , fSwizzle(swizzle) {} |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 191 | |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 192 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
| 193 | class GLFP : public GrGLSLFragmentProcessor { |
| 194 | public: |
| 195 | void emitCode(EmitArgs& args) override { |
| 196 | const SwizzleFragmentProcessor& sfp = args.fFp.cast<SwizzleFragmentProcessor>(); |
| 197 | const GrSwizzle& swizzle = sfp.swizzle(); |
| 198 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 199 | |
| 200 | fragBuilder->codeAppendf("%s = %s.%s;", |
| 201 | args.fOutputColor, args.fInputColor, swizzle.c_str()); |
| 202 | } |
| 203 | }; |
| 204 | return new GLFP; |
| 205 | } |
| 206 | |
| 207 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| 208 | b->add32(fSwizzle.asKey()); |
| 209 | } |
| 210 | |
| 211 | bool onIsEqual(const GrFragmentProcessor& other) const override { |
| 212 | const SwizzleFragmentProcessor& sfp = other.cast<SwizzleFragmentProcessor>(); |
| 213 | return fSwizzle == sfp.fSwizzle; |
| 214 | } |
| 215 | |
| 216 | GrColor4f constantOutputForConstantInput(GrColor4f input) const override { |
| 217 | return fSwizzle.applyTo(input); |
| 218 | } |
| 219 | |
| 220 | GrSwizzle fSwizzle; |
| 221 | |
| 222 | typedef GrFragmentProcessor INHERITED; |
| 223 | }; |
| 224 | |
| 225 | if (!fp) { |
| 226 | return nullptr; |
| 227 | } |
| 228 | if (GrSwizzle::RGBA() == swizzle) { |
| 229 | return fp; |
| 230 | } |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 231 | std::unique_ptr<GrFragmentProcessor> fpPipeline[] = { std::move(fp), |
| 232 | SwizzleFragmentProcessor::Make(swizzle) }; |
Brian Osman | ce42551 | 2017-03-22 14:37:50 -0400 | [diff] [blame] | 233 | return GrFragmentProcessor::RunInSeries(fpPipeline, 2); |
| 234 | } |
| 235 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 236 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::MakeInputPremulAndMulByOutput( |
| 237 | std::unique_ptr<GrFragmentProcessor> fp) { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 238 | class PremulFragmentProcessor : public GrFragmentProcessor { |
| 239 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 240 | static std::unique_ptr<GrFragmentProcessor> Make( |
| 241 | std::unique_ptr<GrFragmentProcessor> processor) { |
| 242 | return std::unique_ptr<GrFragmentProcessor>( |
| 243 | new PremulFragmentProcessor(std::move(processor))); |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 244 | } |
| 245 | |
| 246 | const char* name() const override { return "Premultiply"; } |
| 247 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 248 | std::unique_ptr<GrFragmentProcessor> clone() const override { |
Brian Salomon | 96271cd | 2017-07-31 16:27:23 -0400 | [diff] [blame] | 249 | return Make(this->childProcessor(0).clone()); |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 250 | } |
| 251 | |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 252 | private: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 253 | PremulFragmentProcessor(std::unique_ptr<GrFragmentProcessor> processor) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 254 | : INHERITED(kPremulFragmentProcessor_ClassID, OptFlags(processor.get())) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 255 | this->registerChildProcessor(std::move(processor)); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 256 | } |
| 257 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 258 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 259 | class GLFP : public GrGLSLFragmentProcessor { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 260 | public: |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 261 | void emitCode(EmitArgs& args) override { |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 262 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
Ethan Nicholas | 2983f40 | 2017-05-08 09:36:08 -0400 | [diff] [blame] | 263 | this->emitChild(0, args); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 264 | fragBuilder->codeAppendf("%s.rgb *= %s.rgb;", args.fOutputColor, |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 265 | args.fInputColor); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 266 | fragBuilder->codeAppendf("%s *= %s.a;", args.fOutputColor, args.fInputColor); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 267 | } |
| 268 | }; |
| 269 | return new GLFP; |
| 270 | } |
| 271 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 272 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {} |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 273 | |
| 274 | bool onIsEqual(const GrFragmentProcessor&) const override { return true; } |
| 275 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 276 | static OptimizationFlags OptFlags(const GrFragmentProcessor* inner) { |
| 277 | OptimizationFlags flags = kNone_OptimizationFlags; |
| 278 | if (inner->preservesOpaqueInput()) { |
| 279 | flags |= kPreservesOpaqueInput_OptimizationFlag; |
| 280 | } |
| 281 | if (inner->hasConstantOutputForConstantInput()) { |
| 282 | flags |= kConstantOutputForConstantInput_OptimizationFlag; |
| 283 | } |
| 284 | return flags; |
| 285 | } |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 286 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 287 | GrColor4f constantOutputForConstantInput(GrColor4f input) const override { |
| 288 | GrColor4f childColor = ConstantOutputForConstantInput(this->childProcessor(0), |
| 289 | GrColor4f::OpaqueWhite()); |
| 290 | return GrColor4f(input.fRGBA[3] * input.fRGBA[0] * childColor.fRGBA[0], |
| 291 | input.fRGBA[3] * input.fRGBA[1] * childColor.fRGBA[1], |
| 292 | input.fRGBA[3] * input.fRGBA[2] * childColor.fRGBA[2], |
| 293 | input.fRGBA[3] * childColor.fRGBA[3]); |
| 294 | } |
| 295 | |
| 296 | typedef GrFragmentProcessor INHERITED; |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 297 | }; |
| 298 | if (!fp) { |
| 299 | return nullptr; |
| 300 | } |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 301 | return PremulFragmentProcessor::Make(std::move(fp)); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | ////////////////////////////////////////////////////////////////////////////// |
| 305 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 306 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::OverrideInput( |
| 307 | std::unique_ptr<GrFragmentProcessor> fp, GrColor4f color) { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 308 | class ReplaceInputFragmentProcessor : public GrFragmentProcessor { |
| 309 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 310 | static std::unique_ptr<GrFragmentProcessor> Make(std::unique_ptr<GrFragmentProcessor> child, |
| 311 | GrColor4f color) { |
| 312 | return std::unique_ptr<GrFragmentProcessor>( |
| 313 | new ReplaceInputFragmentProcessor(std::move(child), color)); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | const char* name() const override { return "Replace Color"; } |
| 317 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 318 | std::unique_ptr<GrFragmentProcessor> clone() const override { |
Brian Salomon | 96271cd | 2017-07-31 16:27:23 -0400 | [diff] [blame] | 319 | return Make(this->childProcessor(0).clone(), fColor); |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 323 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 324 | class GLFP : public GrGLSLFragmentProcessor { |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 325 | public: |
| 326 | GLFP() : fHaveSetColor(false) {} |
| 327 | void emitCode(EmitArgs& args) override { |
| 328 | const char* colorName; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 329 | fColorUni = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 330 | kHalf4_GrSLType, |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 331 | "Color", &colorName); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 332 | this->emitChild(0, colorName, args); |
| 333 | } |
| 334 | |
| 335 | private: |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 336 | void onSetData(const GrGLSLProgramDataManager& pdman, |
Brian Salomon | ab015ef | 2017-04-04 10:15:51 -0400 | [diff] [blame] | 337 | const GrFragmentProcessor& fp) override { |
brianosman | 4cea3b9 | 2016-09-08 09:33:50 -0700 | [diff] [blame] | 338 | GrColor4f color = fp.cast<ReplaceInputFragmentProcessor>().fColor; |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 339 | if (!fHaveSetColor || color != fPreviousColor) { |
brianosman | 4cea3b9 | 2016-09-08 09:33:50 -0700 | [diff] [blame] | 340 | pdman.set4fv(fColorUni, 1, color.fRGBA); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 341 | fPreviousColor = color; |
| 342 | fHaveSetColor = true; |
| 343 | } |
| 344 | } |
| 345 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 346 | GrGLSLProgramDataManager::UniformHandle fColorUni; |
brianosman | 4cea3b9 | 2016-09-08 09:33:50 -0700 | [diff] [blame] | 347 | bool fHaveSetColor; |
| 348 | GrColor4f fPreviousColor; |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 349 | }; |
| 350 | |
| 351 | return new GLFP; |
| 352 | } |
| 353 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 354 | ReplaceInputFragmentProcessor(std::unique_ptr<GrFragmentProcessor> child, GrColor4f color) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 355 | : INHERITED(kReplaceInputFragmentProcessor_ClassID, OptFlags(child.get(), color)) |
| 356 | , fColor(color) { |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 357 | this->registerChildProcessor(std::move(child)); |
| 358 | } |
| 359 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 360 | static OptimizationFlags OptFlags(const GrFragmentProcessor* child, GrColor4f color) { |
| 361 | OptimizationFlags childFlags = child->optimizationFlags(); |
| 362 | OptimizationFlags flags = kNone_OptimizationFlags; |
| 363 | if (childFlags & kConstantOutputForConstantInput_OptimizationFlag) { |
| 364 | flags |= kConstantOutputForConstantInput_OptimizationFlag; |
| 365 | } |
| 366 | if ((childFlags & kPreservesOpaqueInput_OptimizationFlag) && color.isOpaque()) { |
| 367 | flags |= kPreservesOpaqueInput_OptimizationFlag; |
| 368 | } |
| 369 | return flags; |
| 370 | } |
| 371 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 372 | void onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 373 | {} |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 374 | |
| 375 | bool onIsEqual(const GrFragmentProcessor& that) const override { |
| 376 | return fColor == that.cast<ReplaceInputFragmentProcessor>().fColor; |
| 377 | } |
| 378 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 379 | GrColor4f constantOutputForConstantInput(GrColor4f) const override { |
| 380 | return ConstantOutputForConstantInput(this->childProcessor(0), fColor); |
| 381 | } |
| 382 | |
brianosman | 4cea3b9 | 2016-09-08 09:33:50 -0700 | [diff] [blame] | 383 | GrColor4f fColor; |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 384 | |
| 385 | typedef GrFragmentProcessor INHERITED; |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 386 | }; |
| 387 | |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 388 | if (!fp) { |
| 389 | return nullptr; |
| 390 | } |
| 391 | return ReplaceInputFragmentProcessor::Make(std::move(fp), color); |
bsalomon | f1b7a1d | 2015-09-28 06:26:28 -0700 | [diff] [blame] | 392 | } |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 393 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 394 | std::unique_ptr<GrFragmentProcessor> GrFragmentProcessor::RunInSeries( |
| 395 | std::unique_ptr<GrFragmentProcessor>* series, int cnt) { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 396 | class SeriesFragmentProcessor : public GrFragmentProcessor { |
| 397 | public: |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 398 | static std::unique_ptr<GrFragmentProcessor> Make( |
| 399 | std::unique_ptr<GrFragmentProcessor>* children, int cnt) { |
| 400 | return std::unique_ptr<GrFragmentProcessor>(new SeriesFragmentProcessor(children, cnt)); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | const char* name() const override { return "Series"; } |
| 404 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 405 | std::unique_ptr<GrFragmentProcessor> clone() const override { |
| 406 | SkSTArray<4, std::unique_ptr<GrFragmentProcessor>> children(this->numChildProcessors()); |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 407 | for (int i = 0; i < this->numChildProcessors(); ++i) { |
| 408 | if (!children.push_back(this->childProcessor(i).clone())) { |
| 409 | return nullptr; |
| 410 | } |
| 411 | } |
| 412 | return Make(children.begin(), this->numChildProcessors()); |
| 413 | } |
| 414 | |
| 415 | private: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 416 | GrGLSLFragmentProcessor* onCreateGLSLInstance() const override { |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 417 | class GLFP : public GrGLSLFragmentProcessor { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 418 | public: |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 419 | void emitCode(EmitArgs& args) override { |
dvonbeck | ca9eeab | 2016-07-06 12:00:06 -0700 | [diff] [blame] | 420 | // First guy's input might be nil. |
| 421 | SkString temp("out0"); |
| 422 | this->emitChild(0, args.fInputColor, &temp, args); |
| 423 | SkString input = temp; |
| 424 | for (int i = 1; i < this->numChildProcessors() - 1; ++i) { |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 425 | temp.printf("out%d", i); |
| 426 | this->emitChild(i, input.c_str(), &temp, args); |
| 427 | input = temp; |
| 428 | } |
| 429 | // Last guy writes to our output variable. |
| 430 | this->emitChild(this->numChildProcessors() - 1, input.c_str(), args); |
| 431 | } |
| 432 | }; |
| 433 | return new GLFP; |
| 434 | } |
Brian Salomon | 216f2e0 | 2017-07-25 15:52:51 -0400 | [diff] [blame] | 435 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 436 | SeriesFragmentProcessor(std::unique_ptr<GrFragmentProcessor>* children, int cnt) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 437 | : INHERITED(kSeriesFragmentProcessor_ClassID, OptFlags(children, cnt)) { |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 438 | SkASSERT(cnt > 1); |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 439 | for (int i = 0; i < cnt; ++i) { |
| 440 | this->registerChildProcessor(std::move(children[i])); |
| 441 | } |
| 442 | } |
| 443 | |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 444 | static OptimizationFlags OptFlags(std::unique_ptr<GrFragmentProcessor>* children, int cnt) { |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 445 | OptimizationFlags flags = kAll_OptimizationFlags; |
| 446 | for (int i = 0; i < cnt && flags != kNone_OptimizationFlags; ++i) { |
| 447 | flags &= children[i]->optimizationFlags(); |
| 448 | } |
| 449 | return flags; |
| 450 | } |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 451 | void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override {} |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 452 | |
| 453 | bool onIsEqual(const GrFragmentProcessor&) const override { return true; } |
| 454 | |
Brian Salomon | 587e08f | 2017-01-27 10:59:27 -0500 | [diff] [blame] | 455 | GrColor4f constantOutputForConstantInput(GrColor4f color) const override { |
| 456 | int childCnt = this->numChildProcessors(); |
| 457 | for (int i = 0; i < childCnt; ++i) { |
| 458 | color = ConstantOutputForConstantInput(this->childProcessor(i), color); |
| 459 | } |
| 460 | return color; |
| 461 | } |
| 462 | |
| 463 | typedef GrFragmentProcessor INHERITED; |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 464 | }; |
| 465 | |
| 466 | if (!cnt) { |
| 467 | return nullptr; |
| 468 | } |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 469 | if (1 == cnt) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 470 | return std::move(series[0]); |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 471 | } |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 472 | // 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] | 473 | GrProcessorAnalysisColor inputColor; |
| 474 | inputColor.setToUnknown(); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 475 | GrColorFragmentProcessorAnalysis info(inputColor, unique_ptr_address_as_pointer_address(series), |
Brian Salomon | 650ced0 | 2017-07-20 16:46:46 -0400 | [diff] [blame] | 476 | cnt); |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 477 | SkTArray<std::unique_ptr<GrFragmentProcessor>> replacementSeries; |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 478 | GrColor4f knownColor; |
| 479 | int leadingFPsToEliminate = info.initialProcessorsToEliminate(&knownColor); |
| 480 | if (leadingFPsToEliminate) { |
Brian Salomon | aff329b | 2017-08-11 09:40:37 -0400 | [diff] [blame] | 481 | std::unique_ptr<GrFragmentProcessor> colorFP( |
Ethan Nicholas | e9d172a | 2017-11-20 12:12:24 -0500 | [diff] [blame] | 482 | GrConstColorProcessor::Make(knownColor, GrConstColorProcessor::InputMode::kIgnore)); |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 483 | if (leadingFPsToEliminate == cnt) { |
| 484 | return colorFP; |
| 485 | } |
| 486 | cnt = cnt - leadingFPsToEliminate + 1; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 487 | replacementSeries.reserve(cnt); |
| 488 | replacementSeries.emplace_back(std::move(colorFP)); |
| 489 | for (int i = 0; i < cnt - 1; ++i) { |
Brian Salomon | eec6f7b | 2017-02-10 14:29:38 -0500 | [diff] [blame] | 490 | replacementSeries.emplace_back(std::move(series[leadingFPsToEliminate + i])); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 491 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 492 | series = replacementSeries.begin(); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 493 | } |
Robert Phillips | 1c9686b | 2017-06-30 08:40:28 -0400 | [diff] [blame] | 494 | return SeriesFragmentProcessor::Make(series, cnt); |
bsalomon | e25eea4 | 2015-09-29 06:38:55 -0700 | [diff] [blame] | 495 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 496 | |
| 497 | ////////////////////////////////////////////////////////////////////////////// |
| 498 | |
| 499 | GrFragmentProcessor::Iter::Iter(const GrPipeline& pipeline) { |
| 500 | for (int i = pipeline.numFragmentProcessors() - 1; i >= 0; --i) { |
| 501 | fFPStack.push_back(&pipeline.getFragmentProcessor(i)); |
| 502 | } |
| 503 | } |
| 504 | |
Chris Dalton | 1c54894 | 2018-05-22 13:09:48 -0600 | [diff] [blame] | 505 | GrFragmentProcessor::Iter::Iter(const GrPaint& paint) { |
| 506 | for (int i = paint.numCoverageFragmentProcessors() - 1; i >= 0; --i) { |
| 507 | fFPStack.push_back(paint.getCoverageFragmentProcessor(i)); |
| 508 | } |
| 509 | for (int i = paint.numColorFragmentProcessors() - 1; i >= 0; --i) { |
| 510 | fFPStack.push_back(paint.getColorFragmentProcessor(i)); |
| 511 | } |
| 512 | } |
| 513 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 514 | const GrFragmentProcessor* GrFragmentProcessor::Iter::next() { |
| 515 | if (fFPStack.empty()) { |
| 516 | return nullptr; |
| 517 | } |
| 518 | const GrFragmentProcessor* back = fFPStack.back(); |
| 519 | fFPStack.pop_back(); |
| 520 | for (int i = back->numChildProcessors() - 1; i >= 0; --i) { |
| 521 | fFPStack.push_back(&back->childProcessor(i)); |
| 522 | } |
| 523 | return back; |
| 524 | } |
| 525 | |
Brian Salomon | e782f84 | 2018-07-31 13:53:11 -0400 | [diff] [blame] | 526 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 527 | |
| 528 | GrFragmentProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy, |
| 529 | const GrSamplerState& samplerState) { |
| 530 | this->reset(std::move(proxy), samplerState); |
| 531 | } |
| 532 | |
| 533 | GrFragmentProcessor::TextureSampler::TextureSampler(sk_sp<GrTextureProxy> proxy, |
| 534 | GrSamplerState::Filter filterMode, |
| 535 | GrSamplerState::WrapMode wrapXAndY) { |
| 536 | this->reset(std::move(proxy), filterMode, wrapXAndY); |
| 537 | } |
| 538 | |
| 539 | void GrFragmentProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy, |
| 540 | const GrSamplerState& samplerState) { |
| 541 | fProxyRef.setProxy(std::move(proxy), kRead_GrIOType); |
| 542 | fSamplerState = samplerState; |
| 543 | fSamplerState.setFilterMode(SkTMin(samplerState.filter(), this->proxy()->highestFilterMode())); |
| 544 | } |
| 545 | |
| 546 | void GrFragmentProcessor::TextureSampler::reset(sk_sp<GrTextureProxy> proxy, |
| 547 | GrSamplerState::Filter filterMode, |
| 548 | GrSamplerState::WrapMode wrapXAndY) { |
| 549 | fProxyRef.setProxy(std::move(proxy), kRead_GrIOType); |
| 550 | filterMode = SkTMin(filterMode, this->proxy()->highestFilterMode()); |
| 551 | fSamplerState = GrSamplerState(wrapXAndY, filterMode); |
| 552 | } |