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" |
| 9 | |
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&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 25 | const GrGLSLCaps&, |
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 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 28 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 29 | const GrPrimitiveProcessor& primProc) 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 | } |
| 50 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 51 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 52 | void setTransformData(const GrPrimitiveProcessor& primProc, |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 53 | const GrGLSLProgramDataManager& pdman, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 54 | int index, |
| 55 | const SkTArray<const GrCoordTransform*, true>& transforms) override { |
| 56 | this->setTransformDataHelper<GrConicEffect>(primProc, pdman, index, transforms); |
| 57 | } |
| 58 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 59 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 60 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 61 | GrColor fColor; |
| 62 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 63 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 64 | UniformHandle fColorUniform; |
| 65 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 66 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 67 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 68 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 69 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 70 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 71 | GrGLConicEffect::GrGLConicEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 72 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 73 | const GrConicEffect& ce = processor.cast<GrConicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 74 | fEdgeType = ce.getEdgeType(); |
| 75 | } |
| 76 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 77 | void GrGLConicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 78 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 79 | const GrConicEffect& gp = args.fGP.cast<GrConicEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 80 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 81 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 82 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 83 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 84 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 85 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 86 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 87 | varyingHandler->addVarying("ConicCoeffs", &v); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 88 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inConicCoeffs()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 89 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 90 | GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 91 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 92 | if (!gp.colorIgnored()) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 93 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 94 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 95 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 96 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 97 | this->setupPosition(vertBuilder, |
| 98 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 99 | gpArgs, |
| 100 | gp.inPosition()->fName, |
| 101 | gp.viewMatrix(), |
| 102 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 103 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 104 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 105 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 106 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 107 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 108 | gpArgs->fPositionVar, |
| 109 | gp.inPosition()->fName, |
| 110 | gp.localMatrix(), |
| 111 | args.fTransformsIn, |
| 112 | args.fTransformsOut); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 113 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 114 | fragBuilder->codeAppend("float edgeAlpha;"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 115 | |
| 116 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 117 | case kHairlineAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 118 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 119 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 120 | fragBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", v.fsIn()); |
| 121 | fragBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", v.fsIn()); |
| 122 | fragBuilder->codeAppendf("float dfdx =" |
| 123 | "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s.z * dklmdx.y;", |
| 124 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 125 | fragBuilder->codeAppendf("float dfdy =" |
| 126 | "2.0 * %s.x * dklmdy.x - %s.y * dklmdy.z - %s.z * dklmdy.y;", |
| 127 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 128 | fragBuilder->codeAppend("vec2 gF = vec2(dfdx, dfdy);"); |
| 129 | fragBuilder->codeAppend("float gFM = sqrt(dot(gF, gF));"); |
| 130 | fragBuilder->codeAppendf("float func = %s.x*%s.x - %s.y*%s.z;", v.fsIn(), v.fsIn(), |
| 131 | v.fsIn(), v.fsIn()); |
| 132 | fragBuilder->codeAppend("func = abs(func);"); |
| 133 | fragBuilder->codeAppend("edgeAlpha = func / gFM;"); |
| 134 | fragBuilder->codeAppend("edgeAlpha = max(1.0 - edgeAlpha, 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 135 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 136 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 137 | break; |
| 138 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 139 | case kFillAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 140 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 141 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 142 | fragBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", v.fsIn()); |
| 143 | fragBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", v.fsIn()); |
| 144 | fragBuilder->codeAppendf("float dfdx =" |
| 145 | "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s.z * dklmdx.y;", |
| 146 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 147 | fragBuilder->codeAppendf("float dfdy =" |
| 148 | "2.0 * %s.x * dklmdy.x - %s.y * dklmdy.z - %s.z * dklmdy.y;", |
| 149 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 150 | fragBuilder->codeAppend("vec2 gF = vec2(dfdx, dfdy);"); |
| 151 | fragBuilder->codeAppend("float gFM = sqrt(dot(gF, gF));"); |
| 152 | fragBuilder->codeAppendf("float func = %s.x * %s.x - %s.y * %s.z;", v.fsIn(), v.fsIn(), |
| 153 | v.fsIn(), v.fsIn()); |
| 154 | fragBuilder->codeAppend("edgeAlpha = func / gFM;"); |
| 155 | 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] | 156 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 157 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 158 | break; |
| 159 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 160 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 161 | fragBuilder->codeAppendf("edgeAlpha = %s.x * %s.x - %s.y * %s.z;", v.fsIn(), v.fsIn(), |
| 162 | v.fsIn(), v.fsIn()); |
| 163 | fragBuilder->codeAppend("edgeAlpha = float(edgeAlpha < 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 164 | break; |
| 165 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 166 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 167 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 168 | } |
| 169 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 170 | // TODO should we really be doing this? |
| 171 | if (gp.coverageScale() != 0xff) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 172 | const char* coverageScale; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 173 | fCoverageScaleUniform = uniformHandler->addUniform( |
| 174 | GrGLSLUniformHandler::kFragment_Visibility, |
| 175 | kFloat_GrSLType, |
| 176 | kDefault_GrSLPrecision, |
| 177 | "Coverage", |
| 178 | &coverageScale); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 179 | fragBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 180 | } else { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 181 | fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 182 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 183 | } |
| 184 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 185 | void GrGLConicEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 186 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 187 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 188 | const GrConicEffect& ce = gp.cast<GrConicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 189 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 190 | key |= GrColor_ILLEGAL != ce.color() ? 0x4 : 0x0; |
| 191 | key |= 0xff != ce.coverageScale() ? 0x8 : 0x0; |
| 192 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 193 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 194 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | ////////////////////////////////////////////////////////////////////////////// |
| 198 | |
| 199 | GrConicEffect::~GrConicEffect() {} |
| 200 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 201 | void GrConicEffect::getGLSLProcessorKey(const GrGLSLCaps& caps, |
| 202 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 203 | GrGLConicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 204 | } |
| 205 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 206 | GrGLSLPrimitiveProcessor* GrConicEffect::createGLSLInstance(const GrGLSLCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 207 | return new GrGLConicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 208 | } |
| 209 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 210 | GrConicEffect::GrConicEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 211 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 212 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 213 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 214 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 215 | , fLocalMatrix(viewMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 216 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 217 | , fCoverageScale(coverage) |
| 218 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 219 | this->initClassID<GrConicEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 220 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 221 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 222 | fInConicCoeffs = &this->addVertexAttrib(Attribute("inConicCoeffs", |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 223 | kVec4f_GrVertexAttribType)); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 224 | } |
| 225 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 226 | ////////////////////////////////////////////////////////////////////////////// |
| 227 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 228 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrConicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 229 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 230 | const GrGeometryProcessor* GrConicEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 231 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 232 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 233 | GrPrimitiveEdgeType edgeType = |
| 234 | static_cast<GrPrimitiveEdgeType>( |
| 235 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 236 | gp = GrConicEffect::Create(GrRandomColor(d->fRandom), GrTest::TestMatrix(d->fRandom), |
| 237 | edgeType, *d->fCaps, |
| 238 | GrTest::TestMatrix(d->fRandom), d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 239 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 240 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | ////////////////////////////////////////////////////////////////////////////// |
| 244 | // Quad |
| 245 | ////////////////////////////////////////////////////////////////////////////// |
| 246 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 247 | class GrGLQuadEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 248 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 249 | GrGLQuadEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 250 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 251 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 252 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 253 | static inline void GenKey(const GrGeometryProcessor&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 254 | const GrGLSLCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 255 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 256 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 257 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 258 | const GrPrimitiveProcessor& primProc) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 259 | const GrQuadEffect& qe = primProc.cast<GrQuadEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 260 | |
| 261 | if (!qe.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(qe.viewMatrix())) { |
| 262 | fViewMatrix = qe.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 263 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 264 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 265 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 266 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 267 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 268 | if (qe.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 269 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 270 | GrColorToRGBAFloat(qe.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 271 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 272 | fColor = qe.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 273 | } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 274 | |
| 275 | if (qe.coverageScale() != 0xff && qe.coverageScale() != fCoverageScale) { |
| 276 | pdman.set1f(fCoverageScaleUniform, GrNormalizeByteToFloat(qe.coverageScale())); |
| 277 | fCoverageScale = qe.coverageScale(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 278 | } |
| 279 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 280 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 281 | void setTransformData(const GrPrimitiveProcessor& primProc, |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 282 | const GrGLSLProgramDataManager& pdman, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 283 | int index, |
| 284 | const SkTArray<const GrCoordTransform*, true>& transforms) override { |
| 285 | this->setTransformDataHelper<GrQuadEffect>(primProc, pdman, index, transforms); |
| 286 | } |
| 287 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 288 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 289 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 290 | GrColor fColor; |
| 291 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 292 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 293 | UniformHandle fColorUniform; |
| 294 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 295 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 296 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 297 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 298 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 299 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 300 | GrGLQuadEffect::GrGLQuadEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 301 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 302 | const GrQuadEffect& ce = processor.cast<GrQuadEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 303 | fEdgeType = ce.getEdgeType(); |
| 304 | } |
| 305 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 306 | void GrGLQuadEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 307 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 308 | const GrQuadEffect& gp = args.fGP.cast<GrQuadEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 309 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 310 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 311 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 312 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 313 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 314 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 315 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 316 | varyingHandler->addVarying("HairQuadEdge", &v); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 317 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inHairQuadEdge()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 318 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 319 | GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 320 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 321 | if (!gp.colorIgnored()) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 322 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 323 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 324 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 325 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 326 | this->setupPosition(vertBuilder, |
| 327 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 328 | gpArgs, |
| 329 | gp.inPosition()->fName, |
| 330 | gp.viewMatrix(), |
| 331 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 332 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 333 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 334 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 335 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 336 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 337 | gpArgs->fPositionVar, |
| 338 | gp.inPosition()->fName, |
| 339 | gp.localMatrix(), |
| 340 | args.fTransformsIn, |
| 341 | args.fTransformsOut); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 342 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 343 | fragBuilder->codeAppendf("float edgeAlpha;"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 344 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 345 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 346 | case kHairlineAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 347 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 348 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 349 | fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 350 | fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
| 351 | fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 352 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
| 353 | v.fsIn(), v.fsIn()); |
| 354 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 355 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 356 | fragBuilder->codeAppend("edgeAlpha = sqrt(edgeAlpha * edgeAlpha / dot(gF, gF));"); |
| 357 | fragBuilder->codeAppend("edgeAlpha = max(1.0 - edgeAlpha, 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 358 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 359 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 360 | break; |
| 361 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 362 | case kFillAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 363 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 364 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 365 | fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 366 | fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
| 367 | fragBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 368 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
| 369 | v.fsIn(), v.fsIn()); |
| 370 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 371 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 372 | fragBuilder->codeAppend("edgeAlpha = edgeAlpha / sqrt(dot(gF, gF));"); |
| 373 | 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] | 374 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 375 | // fragBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 376 | break; |
| 377 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 378 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 379 | fragBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", |
| 380 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 381 | fragBuilder->codeAppend("edgeAlpha = float(edgeAlpha < 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 382 | break; |
| 383 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 384 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 385 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 386 | } |
| 387 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 388 | if (0xff != gp.coverageScale()) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 389 | const char* coverageScale; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 390 | fCoverageScaleUniform = uniformHandler->addUniform( |
| 391 | GrGLSLUniformHandler::kFragment_Visibility, |
| 392 | kFloat_GrSLType, |
| 393 | kDefault_GrSLPrecision, |
| 394 | "Coverage", |
| 395 | &coverageScale); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 396 | fragBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 397 | } else { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 398 | fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 399 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 400 | } |
| 401 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 402 | void GrGLQuadEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 403 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 404 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 405 | const GrQuadEffect& ce = gp.cast<GrQuadEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 406 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 407 | key |= ce.color() != GrColor_ILLEGAL ? 0x4 : 0x0; |
| 408 | key |= ce.coverageScale() != 0xff ? 0x8 : 0x0; |
| 409 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 410 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 411 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | ////////////////////////////////////////////////////////////////////////////// |
| 415 | |
| 416 | GrQuadEffect::~GrQuadEffect() {} |
| 417 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 418 | void GrQuadEffect::getGLSLProcessorKey(const GrGLSLCaps& caps, |
| 419 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 420 | GrGLQuadEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 421 | } |
| 422 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 423 | GrGLSLPrimitiveProcessor* GrQuadEffect::createGLSLInstance(const GrGLSLCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 424 | return new GrGLQuadEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 425 | } |
| 426 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 427 | GrQuadEffect::GrQuadEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 428 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 429 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 430 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 431 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 432 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 433 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 434 | , fCoverageScale(coverage) |
| 435 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 436 | this->initClassID<GrQuadEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 437 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 438 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 439 | fInHairQuadEdge = &this->addVertexAttrib(Attribute("inHairQuadEdge", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 440 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 441 | } |
| 442 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 443 | ////////////////////////////////////////////////////////////////////////////// |
| 444 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 445 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrQuadEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 446 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 447 | const GrGeometryProcessor* GrQuadEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 448 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 449 | do { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 450 | GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 451 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 452 | gp = GrQuadEffect::Create(GrRandomColor(d->fRandom), |
| 453 | GrTest::TestMatrix(d->fRandom), |
| 454 | edgeType, *d->fCaps, |
| 455 | GrTest::TestMatrix(d->fRandom), |
| 456 | d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 457 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 458 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 459 | } |
| 460 | |
| 461 | ////////////////////////////////////////////////////////////////////////////// |
| 462 | // Cubic |
| 463 | ////////////////////////////////////////////////////////////////////////////// |
| 464 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 465 | class GrGLCubicEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 466 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 467 | GrGLCubicEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 468 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 469 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 470 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 471 | static inline void GenKey(const GrGeometryProcessor&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 472 | const GrGLSLCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 473 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 474 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 475 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 476 | const GrPrimitiveProcessor& primProc) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 477 | const GrCubicEffect& ce = primProc.cast<GrCubicEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 478 | |
| 479 | if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) { |
| 480 | fViewMatrix = ce.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 481 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame] | 482 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 483 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 484 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 485 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 486 | if (ce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 487 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 488 | GrColorToRGBAFloat(ce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 489 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 490 | fColor = ce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 491 | } |
| 492 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 493 | |
| 494 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 495 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 496 | GrColor fColor; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 497 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 498 | UniformHandle fColorUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 499 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 500 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 501 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 502 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 503 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 504 | GrGLCubicEffect::GrGLCubicEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 505 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 506 | const GrCubicEffect& ce = processor.cast<GrCubicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 507 | fEdgeType = ce.getEdgeType(); |
| 508 | } |
| 509 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 510 | void GrGLCubicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 511 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 512 | const GrCubicEffect& gp = args.fGP.cast<GrCubicEffect>(); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 513 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 514 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 515 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 516 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 517 | varyingHandler->emitAttributes(gp); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 518 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 519 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 520 | varyingHandler->addVarying("CubicCoeffs", &v, kHigh_GrSLPrecision); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 521 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inCubicCoeffs()->fName); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 522 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 523 | GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 524 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 525 | if (!gp.colorIgnored()) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 526 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 527 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 528 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 529 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 530 | this->setupPosition(vertBuilder, |
| 531 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 532 | gpArgs, |
| 533 | gp.inPosition()->fName, |
| 534 | gp.viewMatrix(), |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 535 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 536 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 537 | // emit transforms with position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 538 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 539 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame^] | 540 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 541 | gpArgs->fPositionVar, |
| 542 | gp.inPosition()->fName, |
| 543 | args.fTransformsIn, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 544 | args.fTransformsOut); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 545 | |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 546 | |
egdaniel | 0d3f061 | 2015-10-21 10:45:48 -0700 | [diff] [blame] | 547 | GrGLSLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 548 | GrGLSLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, kHigh_GrSLPrecision); |
| 549 | GrGLSLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, kHigh_GrSLPrecision); |
| 550 | GrGLSLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 551 | GrGLSLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 552 | GrGLSLShaderVar gF("gF", kVec2f_GrSLType, 0, kHigh_GrSLPrecision); |
| 553 | GrGLSLShaderVar gFM("gFM", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 554 | GrGLSLShaderVar func("func", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 555 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 556 | fragBuilder->declAppend(edgeAlpha); |
| 557 | fragBuilder->declAppend(dklmdx); |
| 558 | fragBuilder->declAppend(dklmdy); |
| 559 | fragBuilder->declAppend(dfdx); |
| 560 | fragBuilder->declAppend(dfdy); |
| 561 | fragBuilder->declAppend(gF); |
| 562 | fragBuilder->declAppend(gFM); |
| 563 | fragBuilder->declAppend(func); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 564 | |
| 565 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 566 | case kHairlineAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 567 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 568 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 569 | fragBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 570 | fragBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
| 571 | fragBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 572 | dfdx.c_str(), v.fsIn(), v.fsIn(), dklmdx.c_str(), v.fsIn(), |
| 573 | dklmdx.c_str(), v.fsIn(), dklmdx.c_str()); |
| 574 | fragBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 575 | dfdy.c_str(), v.fsIn(), v.fsIn(), dklmdy.c_str(), v.fsIn(), |
| 576 | dklmdy.c_str(), v.fsIn(), dklmdy.c_str()); |
| 577 | fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 578 | fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", |
| 579 | gFM.c_str(), gF.c_str(), gF.c_str()); |
| 580 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
| 581 | func.c_str(), v.fsIn(), v.fsIn(), |
| 582 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 583 | fragBuilder->codeAppendf("%s = abs(%s);", func.c_str(), func.c_str()); |
| 584 | fragBuilder->codeAppendf("%s = %s / %s;", |
| 585 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
| 586 | fragBuilder->codeAppendf("%s = max(1.0 - %s, 0.0);", |
| 587 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 588 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 589 | // fragBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 590 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 591 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 592 | break; |
| 593 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 594 | case kFillAA_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 595 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 596 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 597 | fragBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 598 | fragBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
| 599 | fragBuilder->codeAppendf("%s =" |
| 600 | "3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 601 | dfdx.c_str(), v.fsIn(), v.fsIn(), dklmdx.c_str(), v.fsIn(), |
| 602 | dklmdx.c_str(), v.fsIn(), dklmdx.c_str()); |
| 603 | fragBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
| 604 | dfdy.c_str(), v.fsIn(), v.fsIn(), dklmdy.c_str(), v.fsIn(), |
| 605 | dklmdy.c_str(), v.fsIn(), dklmdy.c_str()); |
| 606 | fragBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 607 | fragBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", |
| 608 | gFM.c_str(), gF.c_str(), gF.c_str()); |
| 609 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
| 610 | func.c_str(), v.fsIn(), v.fsIn(), |
| 611 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 612 | fragBuilder->codeAppendf("%s = %s / %s;", |
| 613 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
| 614 | fragBuilder->codeAppendf("%s = clamp(1.0 - %s, 0.0, 1.0);", |
| 615 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 616 | // Add line below for smooth cubic ramp |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 617 | // fragBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 618 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 619 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 620 | break; |
| 621 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 622 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 623 | fragBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
| 624 | edgeAlpha.c_str(), v.fsIn(), v.fsIn(), |
| 625 | v.fsIn(), v.fsIn(), v.fsIn()); |
| 626 | 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] | 627 | break; |
| 628 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 629 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 630 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 631 | } |
| 632 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 633 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 634 | fragBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 635 | } |
| 636 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 637 | void GrGLCubicEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 638 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 639 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 640 | const GrCubicEffect& ce = gp.cast<GrCubicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 641 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 642 | key |= ce.color() != GrColor_ILLEGAL ? 0x4 : 0x8; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 643 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 644 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | ////////////////////////////////////////////////////////////////////////////// |
| 648 | |
| 649 | GrCubicEffect::~GrCubicEffect() {} |
| 650 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 651 | void GrCubicEffect::getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 652 | GrGLCubicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 653 | } |
| 654 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 655 | GrGLSLPrimitiveProcessor* GrCubicEffect::createGLSLInstance(const GrGLSLCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 656 | return new GrGLCubicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 657 | } |
| 658 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 659 | GrCubicEffect::GrCubicEffect(GrColor color, const SkMatrix& viewMatrix, |
| 660 | GrPrimitiveEdgeType edgeType) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 661 | : fColor(color) |
| 662 | , fViewMatrix(viewMatrix) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 663 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 664 | this->initClassID<GrCubicEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 665 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 666 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 667 | fInCubicCoeffs = &this->addVertexAttrib(Attribute("inCubicCoeffs", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 668 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 669 | } |
| 670 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 671 | ////////////////////////////////////////////////////////////////////////////// |
| 672 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 673 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrCubicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 674 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 675 | const GrGeometryProcessor* GrCubicEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 676 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 677 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 678 | GrPrimitiveEdgeType edgeType = |
| 679 | static_cast<GrPrimitiveEdgeType>( |
| 680 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 681 | gp = GrCubicEffect::Create(GrRandomColor(d->fRandom), |
| 682 | GrTest::TestMatrix(d->fRandom), edgeType, *d->fCaps); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 683 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 684 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 685 | } |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 686 | |