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