Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 1 | /* |
Ethan Nicholas | 130fb3f | 2018-02-01 12:14:34 -0500 | [diff] [blame] | 2 | * Copyright 2018 Google Inc. |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 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/effects/GrYUVtoRGBEffect.h" |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 9 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/gpu/GrTexture.h" |
| 11 | #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| 12 | #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| 13 | #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
| 14 | #include "src/sksl/SkSLCPP.h" |
| 15 | #include "src/sksl/SkSLUtil.h" |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 16 | |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 17 | static const float kJPEGConversionMatrix[16] = { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 18 | 1.0f, 0.0f, 1.402f, -0.703749f, |
| 19 | 1.0f, -0.344136f, -0.714136f, 0.531211f, |
| 20 | 1.0f, 1.772f, 0.0f, -0.889475f, |
| 21 | 0.0f, 0.0f, 0.0f, 1.0 |
| 22 | }; |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 23 | |
| 24 | static const float kRec601ConversionMatrix[16] = { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 25 | 1.164f, 0.0f, 1.596f, -0.87075f, |
| 26 | 1.164f, -0.391f, -0.813f, 0.52925f, |
| 27 | 1.164f, 2.018f, 0.0f, -1.08175f, |
| 28 | 0.0f, 0.0f, 0.0f, 1.0 |
| 29 | }; |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 30 | |
| 31 | static const float kRec709ConversionMatrix[16] = { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 32 | 1.164f, 0.0f, 1.793f, -0.96925f, |
| 33 | 1.164f, -0.213f, -0.533f, 0.30025f, |
| 34 | 1.164f, 2.112f, 0.0f, -1.12875f, |
| 35 | 0.0f, 0.0f, 0.0f, 1.0f |
| 36 | }; |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 37 | |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 38 | std::unique_ptr<GrFragmentProcessor> GrYUVtoRGBEffect::Make(const sk_sp<GrTextureProxy> proxies[], |
| 39 | const SkYUVAIndex yuvaIndices[4], |
Jim Van Verth | 30e0d7f | 2018-11-02 13:36:42 -0400 | [diff] [blame] | 40 | SkYUVColorSpace yuvColorSpace, |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 41 | GrSamplerState::Filter filterMode, |
| 42 | const SkMatrix& localMatrix, |
| 43 | const SkRect* domain) { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 44 | int numPlanes; |
Jim Van Verth | f00b162 | 2018-10-10 13:03:23 -0400 | [diff] [blame] | 45 | SkAssertResult(SkYUVAIndex::AreValidIndices(yuvaIndices, &numPlanes)); |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 46 | |
| 47 | const SkISize YSize = proxies[yuvaIndices[SkYUVAIndex::kY_Index].fIndex]->isize(); |
| 48 | |
Jim Van Verth | 30e0d7f | 2018-11-02 13:36:42 -0400 | [diff] [blame] | 49 | GrSamplerState::Filter minimizeFilterMode = GrSamplerState::Filter::kMipMap == filterMode ? |
| 50 | GrSamplerState::Filter::kMipMap : |
| 51 | GrSamplerState::Filter::kBilerp; |
| 52 | |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 53 | GrSamplerState::Filter filterModes[4]; |
| 54 | SkSize scales[4]; |
| 55 | for (int i = 0; i < numPlanes; ++i) { |
| 56 | SkISize size = proxies[i]->isize(); |
| 57 | scales[i] = SkSize::Make(SkIntToScalar(size.width()) / SkIntToScalar(YSize.width()), |
| 58 | SkIntToScalar(size.height()) / SkIntToScalar(YSize.height())); |
Jim Van Verth | 30e0d7f | 2018-11-02 13:36:42 -0400 | [diff] [blame] | 59 | filterModes[i] = (size == YSize) ? filterMode : minimizeFilterMode; |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 60 | } |
| 61 | |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 62 | return std::unique_ptr<GrFragmentProcessor>(new GrYUVtoRGBEffect( |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 63 | proxies, scales, filterModes, numPlanes, yuvaIndices, yuvColorSpace, localMatrix, |
| 64 | domain)); |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 65 | } |
Robert Phillips | ba5c439 | 2018-07-25 12:37:14 -0400 | [diff] [blame] | 66 | |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 67 | #ifdef SK_DEBUG |
Robert Phillips | ba5c439 | 2018-07-25 12:37:14 -0400 | [diff] [blame] | 68 | SkString GrYUVtoRGBEffect::dumpInfo() const { |
| 69 | SkString str; |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 70 | for (int i = 0; i < this->numTextureSamplers(); ++i) { |
| 71 | str.appendf("%d: %d %d ", i, |
| 72 | this->textureSampler(i).proxy()->uniqueID().asUInt(), |
| 73 | this->textureSampler(i).proxy()->underlyingUniqueID().asUInt()); |
| 74 | } |
| 75 | str.appendf("\n"); |
Robert Phillips | ba5c439 | 2018-07-25 12:37:14 -0400 | [diff] [blame] | 76 | |
| 77 | return str; |
| 78 | } |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 79 | #endif |
| 80 | |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 81 | GrGLSLFragmentProcessor* GrYUVtoRGBEffect::onCreateGLSLInstance() const { |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 82 | class GrGLSLYUVtoRGBEffect : public GrGLSLFragmentProcessor { |
| 83 | public: |
| 84 | GrGLSLYUVtoRGBEffect() {} |
| 85 | |
| 86 | void emitCode(EmitArgs& args) override { |
| 87 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 88 | const GrYUVtoRGBEffect& _outer = args.fFp.cast<GrYUVtoRGBEffect>(); |
| 89 | (void)_outer; |
| 90 | |
| 91 | if (kIdentity_SkYUVColorSpace != _outer.yuvColorSpace()) { |
| 92 | fColorSpaceMatrixVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, |
| 93 | kHalf4x4_GrSLType, |
| 94 | "colorSpaceMatrix"); |
| 95 | } |
| 96 | |
| 97 | int numSamplers = args.fTexSamplers.count(); |
| 98 | |
| 99 | SkString coords[4]; |
| 100 | for (int i = 0; i < numSamplers; ++i) { |
Ethan Nicholas | d4efe68 | 2019-08-29 16:10:13 -0400 | [diff] [blame] | 101 | coords[i] = fragBuilder->ensureCoords2D(args.fTransformedCoords[i].fVaryingPoint); |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | for (int i = 0; i < numSamplers; ++i) { |
| 105 | SkString sampleVar; |
| 106 | sampleVar.printf("tmp%d", i); |
| 107 | fragBuilder->codeAppendf("half4 %s;", sampleVar.c_str()); |
| 108 | fGLDomains[i].sampleTexture(fragBuilder, args.fUniformHandler, args.fShaderCaps, |
| 109 | _outer.fDomains[i], sampleVar.c_str(), coords[i], args.fTexSamplers[i]); |
| 110 | } |
| 111 | |
| 112 | static const char kChannelToChar[4] = { 'x', 'y', 'z', 'w' }; |
| 113 | |
| 114 | fragBuilder->codeAppendf( |
| 115 | "half4 yuvOne = half4(tmp%d.%c, tmp%d.%c, tmp%d.%c, 1.0);", |
| 116 | _outer.yuvaIndex(0).fIndex, kChannelToChar[(int)_outer.yuvaIndex(0).fChannel], |
| 117 | _outer.yuvaIndex(1).fIndex, kChannelToChar[(int)_outer.yuvaIndex(1).fChannel], |
| 118 | _outer.yuvaIndex(2).fIndex, kChannelToChar[(int)_outer.yuvaIndex(2).fChannel]); |
| 119 | |
| 120 | if (kIdentity_SkYUVColorSpace != _outer.yuvColorSpace()) { |
| 121 | SkASSERT(fColorSpaceMatrixVar.isValid()); |
| 122 | fragBuilder->codeAppendf( |
| 123 | "yuvOne *= %s;", args.fUniformHandler->getUniformCStr(fColorSpaceMatrixVar)); |
| 124 | } |
| 125 | |
| 126 | if (_outer.yuvaIndex(3).fIndex >= 0) { |
| 127 | fragBuilder->codeAppendf( |
| 128 | "half a = tmp%d.%c;", _outer.yuvaIndex(3).fIndex, |
| 129 | kChannelToChar[(int)_outer.yuvaIndex(3).fChannel]); |
| 130 | // premultiply alpha |
| 131 | fragBuilder->codeAppend("yuvOne *= a;"); |
| 132 | } else { |
| 133 | fragBuilder->codeAppend("half a = 1.0;"); |
| 134 | } |
| 135 | |
| 136 | fragBuilder->codeAppendf("%s = half4(yuvOne.xyz, a);", args.fOutputColor); |
| 137 | } |
| 138 | |
| 139 | private: |
| 140 | void onSetData(const GrGLSLProgramDataManager& pdman, |
| 141 | const GrFragmentProcessor& _proc) override { |
| 142 | const GrYUVtoRGBEffect& _outer = _proc.cast<GrYUVtoRGBEffect>(); |
| 143 | |
| 144 | switch (_outer.yuvColorSpace()) { |
| 145 | case kJPEG_SkYUVColorSpace: |
| 146 | SkASSERT(fColorSpaceMatrixVar.isValid()); |
| 147 | pdman.setMatrix4f(fColorSpaceMatrixVar, kJPEGConversionMatrix); |
| 148 | break; |
| 149 | case kRec601_SkYUVColorSpace: |
| 150 | SkASSERT(fColorSpaceMatrixVar.isValid()); |
| 151 | pdman.setMatrix4f(fColorSpaceMatrixVar, kRec601ConversionMatrix); |
| 152 | break; |
| 153 | case kRec709_SkYUVColorSpace: |
| 154 | SkASSERT(fColorSpaceMatrixVar.isValid()); |
| 155 | pdman.setMatrix4f(fColorSpaceMatrixVar, kRec709ConversionMatrix); |
| 156 | break; |
| 157 | case kIdentity_SkYUVColorSpace: |
| 158 | break; |
| 159 | } |
| 160 | |
| 161 | int numSamplers = _outer.numTextureSamplers(); |
| 162 | for (int i = 0; i < numSamplers; ++i) { |
| 163 | fGLDomains[i].setData(pdman, _outer.fDomains[i], |
| 164 | _outer.textureSampler(i).proxy(), _outer.textureSampler(i).samplerState()); |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | UniformHandle fColorSpaceMatrixVar; |
| 169 | GrTextureDomain::GLDomain fGLDomains[4]; |
| 170 | }; |
| 171 | |
| 172 | return new GrGLSLYUVtoRGBEffect; |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 173 | } |
| 174 | void GrYUVtoRGBEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| 175 | GrProcessorKeyBuilder* b) const { |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 176 | using Domain = GrTextureDomain::GLDomain; |
| 177 | |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 178 | b->add32(this->numTextureSamplers()); |
| 179 | |
| 180 | uint32_t packed = 0; |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 181 | uint32_t domain = 0; |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 182 | for (int i = 0; i < 4; ++i) { |
| 183 | if (this->yuvaIndex(i).fIndex < 0) { |
| 184 | continue; |
| 185 | } |
| 186 | |
| 187 | uint8_t index = this->yuvaIndex(i).fIndex; |
| 188 | uint8_t chann = (uint8_t) this->yuvaIndex(i).fChannel; |
Robert Phillips | 6ba8c83 | 2018-10-10 11:43:01 -0400 | [diff] [blame] | 189 | |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 190 | SkASSERT(index < 4 && chann < 4); |
| 191 | |
| 192 | packed |= (index | (chann << 2)) << (i * 4); |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 193 | |
| 194 | domain |= Domain::DomainKey(fDomains[i]) << (i * Domain::kDomainKeyBits); |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 195 | } |
Robert Phillips | b651aac | 2019-03-15 12:18:49 -0400 | [diff] [blame] | 196 | if (kIdentity_SkYUVColorSpace == this->yuvColorSpace()) { |
| 197 | packed |= 0x1 << 16; |
| 198 | } |
| 199 | |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 200 | b->add32(packed); |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 201 | b->add32(domain); |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 202 | } |
| 203 | bool GrYUVtoRGBEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| 204 | const GrYUVtoRGBEffect& that = other.cast<GrYUVtoRGBEffect>(); |
Robert Phillips | 6ba8c83 | 2018-10-10 11:43:01 -0400 | [diff] [blame] | 205 | |
| 206 | for (int i = 0; i < 4; ++i) { |
| 207 | if (fYUVAIndices[i] != that.fYUVAIndices[i]) { |
| 208 | return false; |
| 209 | } |
| 210 | } |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 211 | |
| 212 | for (int i = 0; i < this->numTextureSamplers(); ++i) { |
| 213 | // 'fSamplers' is checked by the base class |
| 214 | if (fSamplerTransforms[i] != that.fSamplerTransforms[i]) { |
| 215 | return false; |
| 216 | } |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 217 | if (!(fDomains[i] == that.fDomains[i])) { |
| 218 | return false; |
| 219 | } |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 220 | } |
| 221 | |
Robert Phillips | b651aac | 2019-03-15 12:18:49 -0400 | [diff] [blame] | 222 | if (fYUVColorSpace != that.fYUVColorSpace) { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 223 | return false; |
| 224 | } |
| 225 | |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 226 | return true; |
| 227 | } |
| 228 | GrYUVtoRGBEffect::GrYUVtoRGBEffect(const GrYUVtoRGBEffect& src) |
| 229 | : INHERITED(kGrYUVtoRGBEffect_ClassID, src.optimizationFlags()) |
Michael Ludwig | a6a8400 | 2019-04-12 15:03:02 -0400 | [diff] [blame] | 230 | , fDomains{src.fDomains[0], src.fDomains[1], src.fDomains[2], src.fDomains[3]} |
Robert Phillips | b651aac | 2019-03-15 12:18:49 -0400 | [diff] [blame] | 231 | , fYUVColorSpace(src.fYUVColorSpace) { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 232 | int numPlanes = src.numTextureSamplers(); |
| 233 | for (int i = 0; i < numPlanes; ++i) { |
| 234 | fSamplers[i].reset(sk_ref_sp(src.fSamplers[i].proxy()), src.fSamplers[i].samplerState()); |
| 235 | fSamplerTransforms[i] = src.fSamplerTransforms[i]; |
| 236 | fSamplerCoordTransforms[i] = src.fSamplerCoordTransforms[i]; |
| 237 | } |
| 238 | |
| 239 | this->setTextureSamplerCnt(numPlanes); |
| 240 | for (int i = 0; i < numPlanes; ++i) { |
| 241 | this->addCoordTransform(&fSamplerCoordTransforms[i]); |
| 242 | } |
| 243 | |
| 244 | memcpy(fYUVAIndices, src.fYUVAIndices, sizeof(fYUVAIndices)); |
Ethan Nicholas | 7461a4a | 2017-12-21 14:18:01 -0500 | [diff] [blame] | 245 | } |
| 246 | std::unique_ptr<GrFragmentProcessor> GrYUVtoRGBEffect::clone() const { |
| 247 | return std::unique_ptr<GrFragmentProcessor>(new GrYUVtoRGBEffect(*this)); |
| 248 | } |
Brian Salomon | f7dcd76 | 2018-07-30 14:48:15 -0400 | [diff] [blame] | 249 | const GrFragmentProcessor::TextureSampler& GrYUVtoRGBEffect::onTextureSampler(int index) const { |
Robert Phillips | 94ade75 | 2018-10-09 12:32:31 -0400 | [diff] [blame] | 250 | SkASSERT(index < this->numTextureSamplers()); |
| 251 | return fSamplers[index]; |
Brian Salomon | f7dcd76 | 2018-07-30 14:48:15 -0400 | [diff] [blame] | 252 | } |