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 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 10 | #include "gl/GrGLGeometryProcessor.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame^] | 11 | #include "glsl/GrGLSLFragmentProcessor.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 12 | #include "glsl/GrGLSLProgramBuilder.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 13 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame^] | 14 | #include "glsl/GrGLSLUtil.h" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 15 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 16 | class GrGLConicEffect : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 17 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 18 | GrGLConicEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 19 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 20 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 21 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 22 | static inline void GenKey(const GrGeometryProcessor&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 23 | const GrGLSLCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 24 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 25 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 26 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 27 | const GrPrimitiveProcessor& primProc) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 28 | const GrConicEffect& ce = primProc.cast<GrConicEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 29 | |
| 30 | if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) { |
| 31 | fViewMatrix = ce.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 32 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame^] | 33 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 34 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 35 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 36 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 37 | if (ce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 38 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 39 | GrColorToRGBAFloat(ce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 40 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 41 | fColor = ce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 42 | } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 43 | |
| 44 | if (ce.coverageScale() != 0xff && ce.coverageScale() != fCoverageScale) { |
| 45 | pdman.set1f(fCoverageScaleUniform, GrNormalizeByteToFloat(ce.coverageScale())); |
| 46 | fCoverageScale = ce.coverageScale(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 47 | } |
| 48 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 49 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 50 | void setTransformData(const GrPrimitiveProcessor& primProc, |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 51 | const GrGLSLProgramDataManager& pdman, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 52 | int index, |
| 53 | const SkTArray<const GrCoordTransform*, true>& transforms) override { |
| 54 | this->setTransformDataHelper<GrConicEffect>(primProc, pdman, index, transforms); |
| 55 | } |
| 56 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 57 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 58 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 59 | GrColor fColor; |
| 60 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 61 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 62 | UniformHandle fColorUniform; |
| 63 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 64 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 65 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 66 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 67 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 68 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 69 | GrGLConicEffect::GrGLConicEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 70 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 71 | const GrConicEffect& ce = processor.cast<GrConicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 72 | fEdgeType = ce.getEdgeType(); |
| 73 | } |
| 74 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 75 | void GrGLConicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 76 | GrGLSLGPBuilder* pb = args.fPB; |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 77 | GrGLSLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 78 | const GrConicEffect& gp = args.fGP.cast<GrConicEffect>(); |
| 79 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 80 | // emit attributes |
| 81 | vsBuilder->emitAttributes(gp); |
| 82 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 83 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 84 | args.fPB->addVarying("ConicCoeffs", &v); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 85 | vsBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inConicCoeffs()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 86 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 87 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 88 | if (!gp.colorIgnored()) { |
| 89 | this->setupUniformColor(args.fPB, args.fOutputColor, &fColorUniform); |
| 90 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 91 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 92 | // Setup position |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 93 | this->setupPosition(pb, gpArgs, gp.inPosition()->fName, gp.viewMatrix(), &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 94 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 95 | // emit transforms with position |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 96 | this->emitTransforms(pb, gpArgs->fPositionVar, gp.inPosition()->fName, gp.localMatrix(), |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 97 | args.fTransformsIn, args.fTransformsOut); |
| 98 | |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 99 | GrGLSLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 100 | fsBuilder->codeAppend("float edgeAlpha;"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 101 | |
| 102 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 103 | case kHairlineAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 104 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 105 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 106 | fsBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", v.fsIn()); |
| 107 | fsBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 108 | fsBuilder->codeAppendf("float dfdx =" |
| 109 | "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s.z * dklmdx.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 110 | v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 111 | fsBuilder->codeAppendf("float dfdy =" |
| 112 | "2.0 * %s.x * dklmdy.x - %s.y * dklmdy.z - %s.z * dklmdy.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 113 | v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 114 | fsBuilder->codeAppend("vec2 gF = vec2(dfdx, dfdy);"); |
| 115 | fsBuilder->codeAppend("float gFM = sqrt(dot(gF, gF));"); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 116 | fsBuilder->codeAppendf("float func = %s.x*%s.x - %s.y*%s.z;", v.fsIn(), v.fsIn(), |
| 117 | v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 118 | fsBuilder->codeAppend("func = abs(func);"); |
| 119 | fsBuilder->codeAppend("edgeAlpha = func / gFM;"); |
| 120 | fsBuilder->codeAppend("edgeAlpha = max(1.0 - edgeAlpha, 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 121 | // Add line below for smooth cubic ramp |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 122 | // fsBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 123 | break; |
| 124 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 125 | case kFillAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 126 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 127 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 128 | fsBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", v.fsIn()); |
| 129 | fsBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 130 | fsBuilder->codeAppendf("float dfdx =" |
| 131 | "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s.z * dklmdx.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 132 | v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 133 | fsBuilder->codeAppendf("float dfdy =" |
| 134 | "2.0 * %s.x * dklmdy.x - %s.y * dklmdy.z - %s.z * dklmdy.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 135 | v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 136 | fsBuilder->codeAppend("vec2 gF = vec2(dfdx, dfdy);"); |
| 137 | fsBuilder->codeAppend("float gFM = sqrt(dot(gF, gF));"); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 138 | fsBuilder->codeAppendf("float func = %s.x * %s.x - %s.y * %s.z;", v.fsIn(), v.fsIn(), |
| 139 | v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 140 | fsBuilder->codeAppend("edgeAlpha = func / gFM;"); |
| 141 | fsBuilder->codeAppend("edgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 142 | // Add line below for smooth cubic ramp |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 143 | // fsBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 144 | break; |
| 145 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 146 | case kFillBW_GrProcessorEdgeType: { |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 147 | fsBuilder->codeAppendf("edgeAlpha = %s.x * %s.x - %s.y * %s.z;", v.fsIn(), v.fsIn(), |
| 148 | v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 149 | fsBuilder->codeAppend("edgeAlpha = float(edgeAlpha < 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 150 | break; |
| 151 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 152 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 153 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 154 | } |
| 155 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 156 | // TODO should we really be doing this? |
| 157 | if (gp.coverageScale() != 0xff) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 158 | const char* coverageScale; |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 159 | fCoverageScaleUniform = pb->addUniform(GrGLSLProgramBuilder::kFragment_Visibility, |
joshualitt | dd21987 | 2015-02-12 14:48:42 -0800 | [diff] [blame] | 160 | kFloat_GrSLType, |
| 161 | kDefault_GrSLPrecision, |
| 162 | "Coverage", |
| 163 | &coverageScale); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 164 | fsBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale); |
| 165 | } else { |
| 166 | fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
| 167 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 168 | } |
| 169 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 170 | void GrGLConicEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 171 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 172 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 173 | const GrConicEffect& ce = gp.cast<GrConicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 174 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 175 | key |= GrColor_ILLEGAL != ce.color() ? 0x4 : 0x0; |
| 176 | key |= 0xff != ce.coverageScale() ? 0x8 : 0x0; |
| 177 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 178 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 179 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | ////////////////////////////////////////////////////////////////////////////// |
| 183 | |
| 184 | GrConicEffect::~GrConicEffect() {} |
| 185 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 186 | void GrConicEffect::getGLProcessorKey(const GrGLSLCaps& caps, |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 187 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 188 | GrGLConicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 189 | } |
| 190 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 191 | GrGLPrimitiveProcessor* GrConicEffect::createGLInstance(const GrGLSLCaps&) const { |
| 192 | return new GrGLConicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 193 | } |
| 194 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 195 | GrConicEffect::GrConicEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 196 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 197 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 198 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 199 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 200 | , fLocalMatrix(viewMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 201 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 202 | , fCoverageScale(coverage) |
| 203 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 204 | this->initClassID<GrConicEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 205 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 206 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 207 | fInConicCoeffs = &this->addVertexAttrib(Attribute("inConicCoeffs", |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 208 | kVec4f_GrVertexAttribType)); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 209 | } |
| 210 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 211 | ////////////////////////////////////////////////////////////////////////////// |
| 212 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 213 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrConicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 214 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 215 | const GrGeometryProcessor* GrConicEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 216 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 217 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 218 | GrPrimitiveEdgeType edgeType = |
| 219 | static_cast<GrPrimitiveEdgeType>( |
| 220 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 221 | gp = GrConicEffect::Create(GrRandomColor(d->fRandom), GrTest::TestMatrix(d->fRandom), |
| 222 | edgeType, *d->fCaps, |
| 223 | GrTest::TestMatrix(d->fRandom), d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 224 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 225 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | ////////////////////////////////////////////////////////////////////////////// |
| 229 | // Quad |
| 230 | ////////////////////////////////////////////////////////////////////////////// |
| 231 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 232 | class GrGLQuadEffect : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 233 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 234 | GrGLQuadEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 235 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 236 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 237 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 238 | static inline void GenKey(const GrGeometryProcessor&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 239 | const GrGLSLCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 240 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 241 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 242 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 243 | const GrPrimitiveProcessor& primProc) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 244 | const GrQuadEffect& qe = primProc.cast<GrQuadEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 245 | |
| 246 | if (!qe.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(qe.viewMatrix())) { |
| 247 | fViewMatrix = qe.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 248 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame^] | 249 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 250 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 251 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 252 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 253 | if (qe.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 254 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 255 | GrColorToRGBAFloat(qe.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 256 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 257 | fColor = qe.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 258 | } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 259 | |
| 260 | if (qe.coverageScale() != 0xff && qe.coverageScale() != fCoverageScale) { |
| 261 | pdman.set1f(fCoverageScaleUniform, GrNormalizeByteToFloat(qe.coverageScale())); |
| 262 | fCoverageScale = qe.coverageScale(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 263 | } |
| 264 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 265 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 266 | void setTransformData(const GrPrimitiveProcessor& primProc, |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 267 | const GrGLSLProgramDataManager& pdman, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 268 | int index, |
| 269 | const SkTArray<const GrCoordTransform*, true>& transforms) override { |
| 270 | this->setTransformDataHelper<GrQuadEffect>(primProc, pdman, index, transforms); |
| 271 | } |
| 272 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 273 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 274 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 275 | GrColor fColor; |
| 276 | uint8_t fCoverageScale; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 277 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 278 | UniformHandle fColorUniform; |
| 279 | UniformHandle fCoverageScaleUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 280 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 281 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 282 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 283 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 284 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 285 | GrGLQuadEffect::GrGLQuadEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 286 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL), fCoverageScale(0xff) { |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 287 | const GrQuadEffect& ce = processor.cast<GrQuadEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 288 | fEdgeType = ce.getEdgeType(); |
| 289 | } |
| 290 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 291 | void GrGLQuadEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 292 | GrGLSLGPBuilder* pb = args.fPB; |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 293 | GrGLSLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 294 | const GrQuadEffect& gp = args.fGP.cast<GrQuadEffect>(); |
| 295 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 296 | // emit attributes |
| 297 | vsBuilder->emitAttributes(gp); |
| 298 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 299 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 300 | args.fPB->addVarying("HairQuadEdge", &v); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 301 | vsBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inHairQuadEdge()->fName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 302 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 303 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 304 | if (!gp.colorIgnored()) { |
| 305 | this->setupUniformColor(args.fPB, args.fOutputColor, &fColorUniform); |
| 306 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 307 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 308 | // Setup position |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 309 | this->setupPosition(pb, gpArgs, gp.inPosition()->fName, gp.viewMatrix(), &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 310 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 311 | // emit transforms with position |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 312 | this->emitTransforms(pb, gpArgs->fPositionVar, gp.inPosition()->fName, gp.localMatrix(), |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 313 | args.fTransformsIn, args.fTransformsOut); |
| 314 | |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 315 | GrGLSLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 316 | fsBuilder->codeAppendf("float edgeAlpha;"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 317 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 318 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 319 | case kHairlineAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 320 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 321 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 322 | fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 323 | fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 324 | fsBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 325 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 326 | v.fsIn(), v.fsIn()); |
| 327 | fsBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 328 | fsBuilder->codeAppend("edgeAlpha = sqrt(edgeAlpha * edgeAlpha / dot(gF, gF));"); |
| 329 | fsBuilder->codeAppend("edgeAlpha = max(1.0 - edgeAlpha, 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 330 | // Add line below for smooth cubic ramp |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 331 | // fsBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 332 | break; |
| 333 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 334 | case kFillAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 335 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 336 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 337 | fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 338 | fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 339 | fsBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.y," |
| 340 | " 2.0 * %s.x * duvdy.x - duvdy.y);", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 341 | v.fsIn(), v.fsIn()); |
| 342 | fsBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 343 | fsBuilder->codeAppend("edgeAlpha = edgeAlpha / sqrt(dot(gF, gF));"); |
| 344 | fsBuilder->codeAppend("edgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 345 | // Add line below for smooth cubic ramp |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 346 | // fsBuilder->codeAppend("edgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 347 | break; |
| 348 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 349 | case kFillBW_GrProcessorEdgeType: { |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 350 | fsBuilder->codeAppendf("edgeAlpha = (%s.x * %s.x - %s.y);", v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | b2f94d1 | 2014-08-29 10:08:36 -0700 | [diff] [blame] | 351 | fsBuilder->codeAppend("edgeAlpha = float(edgeAlpha < 0.0);"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 352 | break; |
| 353 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 354 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 355 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 356 | } |
| 357 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 358 | if (0xff != gp.coverageScale()) { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 359 | const char* coverageScale; |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 360 | fCoverageScaleUniform = pb->addUniform(GrGLSLProgramBuilder::kFragment_Visibility, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 361 | kFloat_GrSLType, |
| 362 | kDefault_GrSLPrecision, |
| 363 | "Coverage", |
| 364 | &coverageScale); |
| 365 | fsBuilder->codeAppendf("%s = vec4(%s * edgeAlpha);", args.fOutputCoverage, coverageScale); |
| 366 | } else { |
| 367 | fsBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
| 368 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 369 | } |
| 370 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 371 | void GrGLQuadEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 372 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 373 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 374 | const GrQuadEffect& ce = gp.cast<GrQuadEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 375 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 376 | key |= ce.color() != GrColor_ILLEGAL ? 0x4 : 0x0; |
| 377 | key |= ce.coverageScale() != 0xff ? 0x8 : 0x0; |
| 378 | key |= ce.usesLocalCoords() && ce.localMatrix().hasPerspective() ? 0x10 : 0x0; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 379 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 380 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | ////////////////////////////////////////////////////////////////////////////// |
| 384 | |
| 385 | GrQuadEffect::~GrQuadEffect() {} |
| 386 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 387 | void GrQuadEffect::getGLProcessorKey(const GrGLSLCaps& caps, |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 388 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 389 | GrGLQuadEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 390 | } |
| 391 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 392 | GrGLPrimitiveProcessor* GrQuadEffect::createGLInstance(const GrGLSLCaps&) const { |
| 393 | return new GrGLQuadEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 394 | } |
| 395 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 396 | GrQuadEffect::GrQuadEffect(GrColor color, const SkMatrix& viewMatrix, uint8_t coverage, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 397 | GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix, |
| 398 | bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 399 | : fColor(color) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 400 | , fViewMatrix(viewMatrix) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 401 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 402 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 403 | , fCoverageScale(coverage) |
| 404 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 405 | this->initClassID<GrQuadEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 406 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 407 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 408 | fInHairQuadEdge = &this->addVertexAttrib(Attribute("inHairQuadEdge", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 409 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 410 | } |
| 411 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 412 | ////////////////////////////////////////////////////////////////////////////// |
| 413 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 414 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrQuadEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 415 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 416 | const GrGeometryProcessor* GrQuadEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 417 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 418 | do { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 419 | GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 420 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 421 | gp = GrQuadEffect::Create(GrRandomColor(d->fRandom), |
| 422 | GrTest::TestMatrix(d->fRandom), |
| 423 | edgeType, *d->fCaps, |
| 424 | GrTest::TestMatrix(d->fRandom), |
| 425 | d->fRandom->nextBool()); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 426 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 427 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | ////////////////////////////////////////////////////////////////////////////// |
| 431 | // Cubic |
| 432 | ////////////////////////////////////////////////////////////////////////////// |
| 433 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 434 | class GrGLCubicEffect : public GrGLGeometryProcessor { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 435 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 436 | GrGLCubicEffect(const GrGeometryProcessor&); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 437 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 438 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 439 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 440 | static inline void GenKey(const GrGeometryProcessor&, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 441 | const GrGLSLCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 442 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 443 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 444 | void setData(const GrGLSLProgramDataManager& pdman, |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 445 | const GrPrimitiveProcessor& primProc) override { |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 446 | const GrCubicEffect& ce = primProc.cast<GrCubicEffect>(); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 447 | |
| 448 | if (!ce.viewMatrix().isIdentity() && !fViewMatrix.cheapEqualTo(ce.viewMatrix())) { |
| 449 | fViewMatrix = ce.viewMatrix(); |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 450 | float viewMatrix[3 * 3]; |
egdaniel | 64c4728 | 2015-11-13 06:54:19 -0800 | [diff] [blame^] | 451 | GrGLSLGetMatrix<3>(viewMatrix, fViewMatrix); |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 452 | pdman.setMatrix3f(fViewMatrixUniform, viewMatrix); |
| 453 | } |
joshualitt | ee2af95 | 2014-12-30 09:04:15 -0800 | [diff] [blame] | 454 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 455 | if (ce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 456 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 457 | GrColorToRGBAFloat(ce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 458 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 459 | fColor = ce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 460 | } |
| 461 | } |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 462 | |
| 463 | private: |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 464 | SkMatrix fViewMatrix; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 465 | GrColor fColor; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 466 | GrPrimitiveEdgeType fEdgeType; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 467 | UniformHandle fColorUniform; |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 468 | UniformHandle fViewMatrixUniform; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 469 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 470 | typedef GrGLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 471 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 472 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 473 | GrGLCubicEffect::GrGLCubicEffect(const GrGeometryProcessor& processor) |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 474 | : fViewMatrix(SkMatrix::InvalidMatrix()), fColor(GrColor_ILLEGAL) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 475 | const GrCubicEffect& ce = processor.cast<GrCubicEffect>(); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 476 | fEdgeType = ce.getEdgeType(); |
| 477 | } |
| 478 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 479 | void GrGLCubicEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 480 | GrGLSLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 481 | const GrCubicEffect& gp = args.fGP.cast<GrCubicEffect>(); |
| 482 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 483 | // emit attributes |
| 484 | vsBuilder->emitAttributes(gp); |
| 485 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 486 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
bsalomon | c0bd648 | 2014-12-09 10:04:14 -0800 | [diff] [blame] | 487 | args.fPB->addVarying("CubicCoeffs", &v, kHigh_GrSLPrecision); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 488 | vsBuilder->codeAppendf("%s = %s;", v.vsOut(), gp.inCubicCoeffs()->fName); |
| 489 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 490 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 491 | if (!gp.colorIgnored()) { |
| 492 | this->setupUniformColor(args.fPB, args.fOutputColor, &fColorUniform); |
| 493 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 494 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 495 | // Setup position |
joshualitt | 5559ca2 | 2015-05-21 15:50:36 -0700 | [diff] [blame] | 496 | this->setupPosition(args.fPB, gpArgs, gp.inPosition()->fName, gp.viewMatrix(), |
| 497 | &fViewMatrixUniform); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 498 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 499 | // emit transforms with position |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 500 | this->emitTransforms(args.fPB, gpArgs->fPositionVar, gp.inPosition()->fName, args.fTransformsIn, |
| 501 | args.fTransformsOut); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 502 | |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 503 | GrGLSLFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder(); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 504 | |
egdaniel | 0d3f061 | 2015-10-21 10:45:48 -0700 | [diff] [blame] | 505 | GrGLSLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 506 | GrGLSLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, kHigh_GrSLPrecision); |
| 507 | GrGLSLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, kHigh_GrSLPrecision); |
| 508 | GrGLSLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 509 | GrGLSLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 510 | GrGLSLShaderVar gF("gF", kVec2f_GrSLType, 0, kHigh_GrSLPrecision); |
| 511 | GrGLSLShaderVar gFM("gFM", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
| 512 | GrGLSLShaderVar func("func", kFloat_GrSLType, 0, kHigh_GrSLPrecision); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 513 | |
| 514 | fsBuilder->declAppend(edgeAlpha); |
| 515 | fsBuilder->declAppend(dklmdx); |
| 516 | fsBuilder->declAppend(dklmdy); |
| 517 | fsBuilder->declAppend(dfdx); |
| 518 | fsBuilder->declAppend(dfdy); |
| 519 | fsBuilder->declAppend(gF); |
| 520 | fsBuilder->declAppend(gFM); |
| 521 | fsBuilder->declAppend(func); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 522 | |
| 523 | switch (fEdgeType) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 524 | case kHairlineAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 525 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 526 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 527 | fsBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 528 | fsBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 529 | fsBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 530 | dfdx.c_str(), v.fsIn(), v.fsIn(), dklmdx.c_str(), v.fsIn(), |
| 531 | dklmdx.c_str(), v.fsIn(), dklmdx.c_str()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 532 | fsBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 533 | dfdy.c_str(), v.fsIn(), v.fsIn(), dklmdy.c_str(), v.fsIn(), |
| 534 | dklmdy.c_str(), v.fsIn(), dklmdy.c_str()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 535 | fsBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 536 | fsBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", gFM.c_str(), gF.c_str(), gF.c_str()); |
| 537 | fsBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 538 | func.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 539 | fsBuilder->codeAppendf("%s = abs(%s);", func.c_str(), func.c_str()); |
| 540 | fsBuilder->codeAppendf("%s = %s / %s;", |
| 541 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
| 542 | fsBuilder->codeAppendf("%s = max(1.0 - %s, 0.0);", |
| 543 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 544 | // Add line below for smooth cubic ramp |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 545 | // fsBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
| 546 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 547 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 548 | break; |
| 549 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 550 | case kFillAA_GrProcessorEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 551 | SkAssertResult(fsBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 552 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 553 | fsBuilder->codeAppendf("%s = dFdx(%s.xyz);", dklmdx.c_str(), v.fsIn()); |
| 554 | fsBuilder->codeAppendf("%s = dFdy(%s.xyz);", dklmdy.c_str(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 555 | fsBuilder->codeAppendf("%s =" |
| 556 | "3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 557 | dfdx.c_str(), v.fsIn(), v.fsIn(), dklmdx.c_str(), v.fsIn(), |
| 558 | dklmdx.c_str(), v.fsIn(), dklmdx.c_str()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 559 | fsBuilder->codeAppendf("%s = 3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 560 | dfdy.c_str(), v.fsIn(), v.fsIn(), dklmdy.c_str(), v.fsIn(), |
| 561 | dklmdy.c_str(), v.fsIn(), dklmdy.c_str()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 562 | fsBuilder->codeAppendf("%s = vec2(%s, %s);", gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
| 563 | fsBuilder->codeAppendf("%s = sqrt(dot(%s, %s));", gFM.c_str(), gF.c_str(), gF.c_str()); |
| 564 | fsBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 565 | func.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 566 | fsBuilder->codeAppendf("%s = %s / %s;", |
| 567 | edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
| 568 | fsBuilder->codeAppendf("%s = clamp(1.0 - %s, 0.0, 1.0);", |
| 569 | edgeAlpha.c_str(), edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 570 | // Add line below for smooth cubic ramp |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 571 | // fsBuilder->codeAppendf("%s = %s * %s * (3.0 - 2.0 * %s);", |
| 572 | // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
| 573 | // edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 574 | break; |
| 575 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 576 | case kFillBW_GrProcessorEdgeType: { |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 577 | fsBuilder->codeAppendf("%s = %s.x * %s.x * %s.x - %s.y * %s.z;", |
joshualitt | 74077b9 | 2014-10-24 11:26:03 -0700 | [diff] [blame] | 578 | edgeAlpha.c_str(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn(), v.fsIn()); |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 579 | fsBuilder->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] | 580 | break; |
| 581 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 582 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 583 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 584 | } |
| 585 | |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 586 | |
| 587 | fsBuilder->codeAppendf("%s = vec4(%s);", args.fOutputCoverage, edgeAlpha.c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 588 | } |
| 589 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 590 | void GrGLCubicEffect::GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 591 | const GrGLSLCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 592 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 593 | const GrCubicEffect& ce = gp.cast<GrCubicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 594 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 595 | key |= ce.color() != GrColor_ILLEGAL ? 0x4 : 0x8; |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 596 | key |= ComputePosKey(ce.viewMatrix()) << 5; |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 597 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 598 | } |
| 599 | |
| 600 | ////////////////////////////////////////////////////////////////////////////// |
| 601 | |
| 602 | GrCubicEffect::~GrCubicEffect() {} |
| 603 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 604 | void GrCubicEffect::getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const { |
| 605 | GrGLCubicEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 606 | } |
| 607 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 608 | GrGLPrimitiveProcessor* GrCubicEffect::createGLInstance(const GrGLSLCaps&) const { |
| 609 | return new GrGLCubicEffect(*this); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 610 | } |
| 611 | |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 612 | GrCubicEffect::GrCubicEffect(GrColor color, const SkMatrix& viewMatrix, |
| 613 | GrPrimitiveEdgeType edgeType) |
joshualitt | e578a95 | 2015-05-14 10:09:13 -0700 | [diff] [blame] | 614 | : fColor(color) |
| 615 | , fViewMatrix(viewMatrix) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 616 | , fEdgeType(edgeType) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 617 | this->initClassID<GrCubicEffect>(); |
senorblanco | f2539d5 | 2015-05-20 14:03:42 -0700 | [diff] [blame] | 618 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType, |
| 619 | kHigh_GrSLPrecision)); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 620 | fInCubicCoeffs = &this->addVertexAttrib(Attribute("inCubicCoeffs", |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 621 | kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 622 | } |
| 623 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 624 | ////////////////////////////////////////////////////////////////////////////// |
| 625 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 626 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrCubicEffect); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 627 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 628 | const GrGeometryProcessor* GrCubicEffect::TestCreate(GrProcessorTestData* d) { |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 629 | GrGeometryProcessor* gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 630 | do { |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 631 | GrPrimitiveEdgeType edgeType = |
| 632 | static_cast<GrPrimitiveEdgeType>( |
| 633 | d->fRandom->nextULessThan(kGrProcessorEdgeTypeCnt)); |
| 634 | gp = GrCubicEffect::Create(GrRandomColor(d->fRandom), |
| 635 | GrTest::TestMatrix(d->fRandom), edgeType, *d->fCaps); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 636 | } while (nullptr == gp); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 637 | return gp; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 638 | } |
egdaniel | 9bd5bbf | 2014-08-29 11:12:30 -0700 | [diff] [blame] | 639 | |