commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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 "GrBezierEffect.h" |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 9 | #include "GrShaderCaps.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 10 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 11 | #include "glsl/GrGLSLGeometryProcessor.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 12 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 13 | #include "glsl/GrGLSLUniformHandler.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 14 | #include "glsl/GrGLSLUtil.h" |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 15 | #include "glsl/GrGLSLVarying.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 16 | #include "glsl/GrGLSLVertexShaderBuilder.h" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 17 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 18 | class GrGLConicEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 19 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 20 | GrGLConicEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 21 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 22 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 23 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 24 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 25 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 26 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 27 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 28 | void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc, |
| 29 | FPCoordTransformIter&& transformIter) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 30 | const GrConicEffect& ce = primProc.cast<GrConicEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 31 | |
| 32 | if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) { |
| 33 | fViewMatrix = ce.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 34 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 35 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 36 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 37 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 38 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 39 | if (ce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 40 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 41 | GrColorToRGBAFloat(ce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 42 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 43 | fColor = ce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 44 | } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 45 | |
| 46 | if (ce.coverageScale() != 0xff && ce.coverageScale() != fCoverageScale) { |
| 47 | pdman.set1f(fCoverageScaleUniform, GrNormalizeByteToFloat(ce.coverageScale())); |
| 48 | fCoverageScale = ce.coverageScale(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 49 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 50 | this->setTransformDataHelper(ce.localMatrix(), pdman, &transformIter); |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 51 | } |
| 52 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 53 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 54 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 55 | GrColor fColor; |
| 56 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 57 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 58 | UniformHandle fColorUniform; |
| 59 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 60 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 61 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 62 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 63 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 64 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 65 | GrGLConicEffect::GrGLConicEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 66 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 67 | const GrConicEffect& ce = processor.cast<GrConicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 68 | fEdgeType = ce.getEdgeType(); |
| 69 | } |
| 70 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 71 | void GrGLConicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 72 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 73 | const GrConicEffect& gp = args.fGP.cast<GrConicEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 74 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 75 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 76 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 77 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 78 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 79 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 80 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 81 | varyingHandler->addVarying("ConicCoeffs", &v, kHigh_GrSLPrecision); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 82 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inConicCoeffs()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 83 | |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 84 | GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 85 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 86 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 87 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 88 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 89 | this->setupPosition(vertBuilder, |
| 90 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 91 | gpArgs, |
| 92 | gp.inPosition()->fName, |
| 93 | gp.viewMatrix(), |
| 94 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 95 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 96 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 97 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 98 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 99 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 100 | gpArgs->fPositionVar, |
| 101 | gp.inPosition()->fName, |
| 102 | gp.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 103 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 104 | |
robertphillips | 2eb1009 | 2015-12-11 04:59:36 -0800 | [diff] [blame] | 105 | // TODO: this precision check should actually be a check on the number of bits |
| 106 | // high and medium provide and the selection of the lowest level that suffices. |
| 107 | // Additionally we should assert that the upstream code only lets us get here if |
| 108 | // either high or medium provides the required number of bits. |
| 109 | GrSLPrecision precision = kHigh_GrSLPrecision; |
Brian Salomon | 1edc5b9 | 2016-11-29 13:43:46 -0500 | [diff] [blame] | 110 | const GrShaderCaps::PrecisionInfo& highP = args.fShaderCaps->getFloatShaderPrecisionInfo( |
robertphillips | 2eb1009 | 2015-12-11 04:59:36 -0800 | [diff] [blame] | 111 | kFragment_GrShaderType, |
| 112 | kHigh_GrSLPrecision); |
| 113 | if (!highP.supported()) { |
| 114 | precision = kMedium_GrSLPrecision; |
| 115 | } |
| 116 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 117 | GrShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, precision); |
| 118 | GrShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, precision); |
| 119 | GrShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, precision); |
| 120 | GrShaderVar dfdx("dfdx", kFloat_GrSLType, 0, precision); |
| 121 | GrShaderVar dfdy("dfdy", kFloat_GrSLType, 0, precision); |
| 122 | GrShaderVar gF("gF", kVec2f_GrSLType, 0, precision); |
| 123 | GrShaderVar gFM("gFM", kFloat_GrSLType, 0, precision); |
| 124 | GrShaderVar func("func", kFloat_GrSLType, 0, precision); |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 125 | |
| 126 | fragBuilder->declAppend(edgeAlpha); |
| 127 | fragBuilder->declAppend(dklmdx); |
| 128 | fragBuilder->declAppend(dklmdy); |
| 129 | fragBuilder->declAppend(dfdx); |
| 130 | fragBuilder->declAppend(dfdy); |
| 131 | fragBuilder->declAppend(gF); |
| 132 | fragBuilder->declAppend(gFM); |
| 133 | fragBuilder->declAppend(func); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 134 | |
| 135 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 136 | case kHairlineAA_GrProcessorEdgeType: { |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 137 | fragBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 138 | fragBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
| 139 | fragBuilder->codeAppendf("%s = 2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 140 | dfdx.c_str(), |
| 141 | v.fsIn(), dklmdx.c_str(), |
| 142 | v.fsIn(), dklmdx.c_str(), |
| 143 | v.fsIn(), dklmdx.c_str()); |
| 144 | fragBuilder->codeAppendf("%s = 2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 145 | dfdy.c_str(), |
| 146 | v.fsIn(), dklmdy.c_str(), |
| 147 | v.fsIn(), dklmdy.c_str(), |
| 148 | v.fsIn(), dklmdy.c_str()); |
| 149 | fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 150 | fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", |
| 151 | gFM.c_str(), gF.c_str(), gF.c_str()); |
| 152 | fragBuilder->codeAppendf("%s = %s.x*%s.x - %s.y*%s.z;", |
| 153 | func.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
| 154 | fragBuilder->codeAppendf("%s = abs(%s);", func.c_str(), func.c_str()); |
| 155 | fragBuilder->codeAppendf("%s = %s / %s;", |
| 156 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
| 157 | fragBuilder->codeAppendf("%s = max(1.0 - %s, 0.0);", |
| 158 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 159 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 160 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 161 | break; |
| 162 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 163 | case kFillAA_GrProcessorEdgeType: { |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 164 | fragBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 165 | fragBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
| 166 | fragBuilder->codeAppendf("%s =" |
| 167 | "2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 168 | dfdx.c_str(), |
| 169 | v.fsIn(), dklmdx.c_str(), |
| 170 | v.fsIn(), dklmdx.c_str(), |
| 171 | v.fsIn(), dklmdx.c_str()); |
| 172 | fragBuilder->codeAppendf("%s =" |
| 173 | "2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 174 | dfdy.c_str(), |
| 175 | v.fsIn(), dklmdy.c_str(), |
| 176 | v.fsIn(), dklmdy.c_str(), |
| 177 | v.fsIn(), dklmdy.c_str()); |
| 178 | fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 179 | fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", |
| 180 | gFM.c_str(), gF.c_str(), gF.c_str()); |
| 181 | fragBuilder->codeAppendf("%s = %s.x * %s.x - %s.y * %s.z;", |
| 182 | func.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
| 183 | fragBuilder->codeAppendf("%s = %s / %s;", |
| 184 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
Greg Daniel | 8199d94 | 2017-03-14 10:20:24 -0400 | [diff] [blame] | 185 | fragBuilder->codeAppendf("%s = clamp(0.5 - %s, 0.0, 1.0);", |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 186 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 187 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 188 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 189 | break; |
| 190 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 191 | case kFillBW_GrProcessorEdgeType: { |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 192 | fragBuilder->codeAppendf("%s = %s.x * %s.x - %s.y * %s.z;", |
| 193 | edgeAlpha.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
| 194 | fragBuilder->codeAppendf("%s = float(%s < 0.0);", |
| 195 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 196 | break; |
| 197 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 198 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 199 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 200 | } |
| 201 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 202 | // TODO should we really be doing this? |
| 203 | if (gp.coverageScale() != 0xff) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 204 | const char* coverageScale; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 205 | fCoverageScaleUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, |
| 206 | kFloat_GrSLType, |
| 207 | kHigh_GrSLPrecision, |
| 208 | "Coverage", |
| 209 | &coverageScale); |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 210 | fragBuilder->codeAppendf("%s = vec4(%s * %s);", |
| 211 | args.fOutputCoverage, coverageScale, edgeAlpha.c_str()); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 212 | } else { |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 213 | fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str()); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 214 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 215 | } |
| 216 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 217 | void GrGLConicEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 218 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 219 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 220 | const GrConicEffect& ce = gp.cast<GrConicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 221 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 222 | key |= 0xff != ce.coverageScale() ? 0x8 : 0x0; |
| 223 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 224 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 225 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | ////////////////////////////////////////////////////////////////////////////// |
| 229 | |
| 230 | GrConicEffect::~GrConicEffect() {} |
| 231 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 232 | void GrConicEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 233 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 234 | GrGLConicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 235 | } |
| 236 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 237 | GrGLSLPrimitiveProcessor* GrConicEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 238 | return new GrGLConicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 239 | } |
| 240 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 241 | GrConicEffect::GrConicEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 242 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 243 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 244 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 245 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 246 | , fLocalMatrix(viewMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 247 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 248 | , fCoverageScale(coverage) |
| 249 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 250 | this->initClassID<GrConicEffect>(); |
bsalomon | 6cb807b | 2016-08-17 11:33:39 -0700 | [diff] [blame] | 251 | fInPosition = &this->addVertexAttrib("inPosition", kVec2f_GrVertexAttribType, |
| 252 | kHigh_GrSLPrecision); |
| 253 | fInConicCoeffs = &this->addVertexAttrib("inConicCoeffs", kVec4f_GrVertexAttribType); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 254 | } |
| 255 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 256 | ////////////////////////////////////////////////////////////////////////////// |
| 257 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 258 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrConicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 259 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 260 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 261 | sk_sp<GrGeometryProcessor> GrConicEffect::TestCreate(GrProcessorTestData* d) { |
| 262 | sk_sp<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 263 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 264 | GrPrimitiveEdgeType edgeType = |
| 265 | static_cast<GrPrimitiveEdgeType>( |
| 266 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 267 | gp = GrConicEffect::Make(GrRandomColor(d->fRandom), GrTest::TestMatrix(d->fRandom), |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 268 | edgeType, *d->caps(), GrTest::TestMatrix(d->fRandom), |
Brian Salomon | 9ae32a2 | 2017-01-25 14:58:24 -0500 | [diff] [blame] | 269 | d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 270 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 271 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 272 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 273 | #endif |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 274 | |
| 275 | ////////////////////////////////////////////////////////////////////////////// |
| 276 | // Quad |
| 277 | ////////////////////////////////////////////////////////////////////////////// |
| 278 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 279 | class GrGLQuadEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 280 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 281 | GrGLQuadEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 282 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 283 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 284 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 285 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 286 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 287 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 288 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 289 | void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc, |
| 290 | FPCoordTransformIter&& transformIter) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 291 | const GrQuadEffect& qe = primProc.cast<GrQuadEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 292 | |
| 293 | if (!qe.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(qe.viewMatrix())) { |
| 294 | fViewMatrix = qe.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 295 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 296 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 297 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 298 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 299 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 300 | if (qe.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 301 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 302 | GrColorToRGBAFloat(qe.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 303 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 304 | fColor = qe.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 305 | } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 306 | |
| 307 | if (qe.coverageScale() != 0xff && qe.coverageScale() != fCoverageScale) { |
| 308 | pdman.set1f(fCoverageScaleUniform, GrNormalizeByteToFloat(qe.coverageScale())); |
| 309 | fCoverageScale = qe.coverageScale(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 310 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 311 | this->setTransformDataHelper(qe.localMatrix(), pdman, &transformIter); |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 312 | } |
| 313 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 314 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 315 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 316 | GrColor fColor; |
| 317 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 318 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 319 | UniformHandle fColorUniform; |
| 320 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 321 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 322 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 323 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 324 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 325 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 326 | GrGLQuadEffect::GrGLQuadEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 327 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 328 | const GrQuadEffect& ce = processor.cast<GrQuadEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 329 | fEdgeType = ce.getEdgeType(); |
| 330 | } |
| 331 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 332 | void GrGLQuadEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 333 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 334 | const GrQuadEffect& gp = args.fGP.cast<GrQuadEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 335 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 336 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 337 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 338 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 339 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 340 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 341 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 342 | varyingHandler->addVarying("HairQuadEdge", &v); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 343 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inHairQuadEdge()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 344 | |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 345 | GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 346 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 347 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 348 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 349 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 350 | this->setupPosition(vertBuilder, |
| 351 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 352 | gpArgs, |
| 353 | gp.inPosition()->fName, |
| 354 | gp.viewMatrix(), |
| 355 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 356 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 357 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 358 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 359 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 360 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 361 | gpArgs->fPositionVar, |
| 362 | gp.inPosition()->fName, |
| 363 | gp.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 364 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 365 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 366 | fragBuilder->codeAppendf("float edgeAlpha;"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 367 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 368 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 369 | case kHairlineAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 370 | fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 371 | fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
| 372 | fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 373 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
| 374 | v.fsIn(), v.fsIn()); |
| 375 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 376 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 377 | fragBuilder->codeAppend("edgeAlpha = sqrt(edgeAlpha * edgeAlpha / dot(gF, gF));"); |
| 378 | fragBuilder->codeAppend("edgeAlpha = max(1.0 - edgeAlpha, 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 379 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 380 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 381 | break; |
| 382 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 383 | case kFillAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 384 | fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 385 | fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
| 386 | fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 387 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
| 388 | v.fsIn(), v.fsIn()); |
| 389 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 390 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 391 | fragBuilder->codeAppend("edgeAlpha = edgeAlpha / sqrt(dot(gF, gF));"); |
Greg Daniel | 8199d94 | 2017-03-14 10:20:24 -0400 | [diff] [blame] | 392 | fragBuilder->codeAppend("edgeAlpha = clamp(0.5 - edgeAlpha, 0.0, 1.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 393 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 394 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 395 | break; |
| 396 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 397 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 398 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 399 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 400 | fragBuilder->codeAppend("edgeAlpha = float(edgeAlpha < 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 401 | break; |
| 402 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 403 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 404 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 405 | } |
| 406 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 407 | if (0xff != gp.coverageScale()) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 408 | const char* coverageScale; |
cdalton | 5e58cee | 2016-02-11 12:49:47 -0800 | [diff] [blame] | 409 | fCoverageScaleUniform = uniformHandler->addUniform(kFragment_GrShaderFlag, |
| 410 | kFloat_GrSLType, |
| 411 | kDefault_GrSLPrecision, |
| 412 | "Coverage", |
| 413 | &coverageScale); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 414 | fragBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 415 | } else { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 416 | fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 417 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 418 | } |
| 419 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 420 | void GrGLQuadEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 421 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 422 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 423 | const GrQuadEffect& ce = gp.cast<GrQuadEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 424 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 425 | key |= ce.coverageScale() != 0xff ? 0x8 : 0x0; |
| 426 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 427 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 428 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | ////////////////////////////////////////////////////////////////////////////// |
| 432 | |
| 433 | GrQuadEffect::~GrQuadEffect() {} |
| 434 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 435 | void GrQuadEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 436 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 437 | GrGLQuadEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 438 | } |
| 439 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 440 | GrGLSLPrimitiveProcessor* GrQuadEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 441 | return new GrGLQuadEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 442 | } |
| 443 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 444 | GrQuadEffect::GrQuadEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 445 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 446 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 447 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 448 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 449 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 450 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 451 | , fCoverageScale(coverage) |
| 452 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 453 | this->initClassID<GrQuadEffect>(); |
bsalomon | 6cb807b | 2016-08-17 11:33:39 -0700 | [diff] [blame] | 454 | fInPosition = &this->addVertexAttrib("inPosition", kVec2f_GrVertexAttribType, |
| 455 | kHigh_GrSLPrecision); |
| 456 | fInHairQuadEdge = &this->addVertexAttrib("inHairQuadEdge", kVec4f_GrVertexAttribType); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 457 | } |
| 458 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 459 | ////////////////////////////////////////////////////////////////////////////// |
| 460 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 461 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrQuadEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 462 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 463 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 464 | sk_sp<GrGeometryProcessor> GrQuadEffect::TestCreate(GrProcessorTestData* d) { |
| 465 | sk_sp<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 466 | do { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 467 | GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 468 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
Brian Salomon | 9ae32a2 | 2017-01-25 14:58:24 -0500 | [diff] [blame] | 469 | gp = GrQuadEffect::Make(GrRandomColor(d->fRandom), GrTest::TestMatrix(d->fRandom), edgeType, |
Robert Phillips | 296b1cc | 2017-03-15 10:42:12 -0400 | [diff] [blame] | 470 | *d->caps(), GrTest::TestMatrix(d->fRandom), |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 471 | d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 472 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 473 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 474 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 475 | #endif |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 476 | |
| 477 | ////////////////////////////////////////////////////////////////////////////// |
| 478 | // Cubic |
| 479 | ////////////////////////////////////////////////////////////////////////////// |
| 480 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 481 | class GrGLCubicEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 482 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 483 | GrGLCubicEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 484 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 485 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 486 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 487 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 488 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 489 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 490 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 491 | void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& primProc, |
| 492 | FPCoordTransformIter&& transformIter) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 493 | const GrCubicEffect& ce = primProc.cast<GrCubicEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 494 | |
| 495 | if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) { |
| 496 | fViewMatrix = ce.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 497 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 498 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 499 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 500 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 501 | |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 502 | if (!fDevKLMMatrix.cheapEqualTo(ce.devKLMMatrix())) { |
| 503 | fDevKLMMatrix = ce.devKLMMatrix(); |
| 504 | float devKLMMatrix[3 * 3]; |
| 505 | GrGLSLGetMatrix<3>(devKLMMatrix, fDevKLMMatrix); |
| 506 | pdman.setMatrix3f(fDevKLMUniform, devKLMMatrix); |
| 507 | } |
| 508 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 509 | if (ce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 510 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 511 | GrColorToRGBAFloat(ce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 512 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 513 | fColor = ce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 514 | } |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 515 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 516 | this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 517 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 518 | |
| 519 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 520 | SkMatrix fViewMatrix; |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 521 | SkMatrix fDevKLMMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 522 | GrColor fColor; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 523 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 524 | UniformHandle fColorUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 525 | UniformHandle fViewMatrixUniform; |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 526 | UniformHandle fDevKLMUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 527 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 528 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 529 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 530 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 531 | GrGLCubicEffect::GrGLCubicEffect(const GrGeometryProcessor& processor) |
Robert Phillips | 888e9f2 | 2017-06-12 07:50:05 -0400 | [diff] [blame^] | 532 | : fViewMatrix(SkMatrix::InvalidMatrix()) |
| 533 | , fDevKLMMatrix(SkMatrix::InvalidMatrix()) |
| 534 | , fColor(GrColor_ILLEGAL) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 535 | const GrCubicEffect& ce = processor.cast<GrCubicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 536 | fEdgeType = ce.getEdgeType(); |
| 537 | } |
| 538 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 539 | void GrGLCubicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 540 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 541 | const GrCubicEffect& gp = args.fGP.cast<GrCubicEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 542 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 543 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 544 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 545 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 546 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 547 | |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 548 | GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 549 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 550 | if (!gp.colorIgnored()) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 551 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 552 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 553 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 554 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 555 | this->setupPosition(vertBuilder, |
| 556 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 557 | gpArgs, |
| 558 | gp.inPosition()->fName, |
| 559 | gp.viewMatrix(), |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 560 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 561 | |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 562 | // Setup KLM |
| 563 | const char* devkLMMatrixName; |
| 564 | fDevKLMUniform = uniformHandler->addUniform(kVertex_GrShaderFlag, kMat33f_GrSLType, |
| 565 | kHigh_GrSLPrecision, "KLM", &devkLMMatrixName); |
| 566 | GrGLSLVertToFrag v(kVec3f_GrSLType); |
| 567 | varyingHandler->addVarying("CubicCoeffs", &v, kHigh_GrSLPrecision); |
| 568 | vertBuilder->codeAppendf("%s = %s * vec3(%s, 1);", |
| 569 | v.vsOut(), devkLMMatrixName, gpArgs->fPositionVar.c_str()); |
| 570 | |
| 571 | |
| 572 | GrGLSLVertToFrag gradCoeffs(kVec4f_GrSLType); |
| 573 | if (kFillAA_GrProcessorEdgeType == fEdgeType || kHairlineAA_GrProcessorEdgeType == fEdgeType) { |
| 574 | varyingHandler->addVarying("GradCoeffs", &gradCoeffs, kHigh_GrSLPrecision); |
| 575 | vertBuilder->codeAppendf("highp float k = %s[0], l = %s[1], m = %s[2];", |
| 576 | v.vsOut(), v.vsOut(), v.vsOut()); |
| 577 | vertBuilder->codeAppendf("highp vec2 gk = vec2(%s[0][0], %s[1][0]), " |
| 578 | "gl = vec2(%s[0][1], %s[1][1]), " |
| 579 | "gm = vec2(%s[0][2], %s[1][2]);", |
| 580 | devkLMMatrixName, devkLMMatrixName, devkLMMatrixName, |
| 581 | devkLMMatrixName, devkLMMatrixName, devkLMMatrixName); |
| 582 | vertBuilder->codeAppendf("%s = vec4(3 * k * gk, -m * gl - l * gm);", |
| 583 | gradCoeffs.vsOut()); |
| 584 | } |
| 585 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 586 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 587 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 588 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 589 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 590 | gpArgs->fPositionVar, |
| 591 | gp.inPosition()->fName, |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 592 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 593 | |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 594 | |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 595 | GrShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 596 | GrShaderVar gF("gF", kVec2f_GrSLType, 0, kHigh_GrSLPrecision); |
Brian Salomon | 99938a8 | 2016-11-21 13:41:08 -0500 | [diff] [blame] | 597 | GrShaderVar func("func", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 598 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 599 | fragBuilder->declAppend(edgeAlpha); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 600 | fragBuilder->declAppend(gF); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 601 | fragBuilder->declAppend(func); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 602 | |
| 603 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 604 | case kHairlineAA_GrProcessorEdgeType: { |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 605 | fragBuilder->codeAppendf("%s = %s.x * %s.xy + %s.zw;", |
| 606 | gF.c_str(), v.fsIn(), gradCoeffs.fsIn(), gradCoeffs.fsIn()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 607 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
| 608 | func.c_str(), v.fsIn(), v.fsIn(), |
| 609 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 610 | fragBuilder->codeAppendf("%s = abs(%s);", func.c_str(), func.c_str()); |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 611 | fragBuilder->codeAppendf("%s = %s * inversesqrt(dot(%s, %s));", |
| 612 | edgeAlpha.c_str(), func.c_str(), gF.c_str(), gF.c_str()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 613 | fragBuilder->codeAppendf("%s = max(1.0 - %s, 0.0);", |
| 614 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 615 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 616 | // fragBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 617 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 618 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 619 | break; |
| 620 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 621 | case kFillAA_GrProcessorEdgeType: { |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 622 | fragBuilder->codeAppendf("%s = %s.x * %s.xy + %s.zw;", |
| 623 | gF.c_str(), v.fsIn(), gradCoeffs.fsIn(), gradCoeffs.fsIn()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 624 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
robertphillips | 96afa52 | 2015-12-09 07:54:24 -0800 | [diff] [blame] | 625 | func.c_str(), |
| 626 | v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 627 | fragBuilder->codeAppendf("%s = %s * inversesqrt(dot(%s, %s));", |
| 628 | edgeAlpha.c_str(), func.c_str(), gF.c_str(), gF.c_str()); |
Greg Daniel | 8199d94 | 2017-03-14 10:20:24 -0400 | [diff] [blame] | 629 | fragBuilder->codeAppendf("%s = clamp(0.5 - %s, 0.0, 1.0);", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 630 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 631 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 632 | // fragBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 633 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 634 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 635 | break; |
| 636 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 637 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 638 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
| 639 | edgeAlpha.c_str(), v.fsIn(), v.fsIn(), |
| 640 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 641 | fragBuilder->codeAppendf("%s = float(%s < 0.0);", edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 642 | break; |
| 643 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 644 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 645 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 646 | } |
| 647 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 648 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 649 | fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 650 | } |
| 651 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 652 | void GrGLCubicEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 653 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 654 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 655 | const GrCubicEffect& ce = gp.cast<GrCubicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 656 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 657 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 658 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | ////////////////////////////////////////////////////////////////////////////// |
| 662 | |
| 663 | GrCubicEffect::~GrCubicEffect() {} |
| 664 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 665 | void GrCubicEffect::getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 666 | GrGLCubicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 667 | } |
| 668 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 669 | GrGLSLPrimitiveProcessor* GrCubicEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 670 | return new GrGLCubicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 671 | } |
| 672 | |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 673 | GrCubicEffect::GrCubicEffect(GrColor color, const SkMatrix& viewMatrix, const SkMatrix& |
| 674 | devKLMMatrix, GrPrimitiveEdgeType edgeType) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 675 | : fColor(color) |
| 676 | , fViewMatrix(viewMatrix) |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 677 | , fDevKLMMatrix(devKLMMatrix) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 678 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 679 | this->initClassID<GrCubicEffect>(); |
bsalomon | 6cb807b | 2016-08-17 11:33:39 -0700 | [diff] [blame] | 680 | fInPosition = &this->addVertexAttrib("inPosition", kVec2f_GrVertexAttribType, |
| 681 | kHigh_GrSLPrecision); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 682 | } |
| 683 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 684 | ////////////////////////////////////////////////////////////////////////////// |
| 685 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 686 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrCubicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 687 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 688 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 689 | sk_sp<GrGeometryProcessor> GrCubicEffect::TestCreate(GrProcessorTestData* d) { |
| 690 | sk_sp<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 691 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 692 | GrPrimitiveEdgeType edgeType = |
| 693 | static_cast<GrPrimitiveEdgeType>( |
| 694 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
Brian Salomon | 9ae32a2 | 2017-01-25 14:58:24 -0500 | [diff] [blame] | 695 | gp = GrCubicEffect::Make(GrRandomColor(d->fRandom), GrTest::TestMatrix(d->fRandom), |
Chris Dalton | febbffa | 2017-06-08 13:12:02 -0600 | [diff] [blame] | 696 | GrTest::TestMatrix(d->fRandom), d->fRandom->nextBool(), edgeType, |
| 697 | *d->caps()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 698 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 699 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 700 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 701 | #endif |