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 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 8 | #include "gl/builders/GrGLProgramBuilder.h" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 9 | #include "GrBezierEffect.h" |
| 10 | |
| 11 | #include "gl/GrGLEffect.h" |
| 12 | #include "gl/GrGLSL.h" |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 13 | #include "gl/GrGLVertexEffect.h" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 14 | #include "GrTBackendEffectFactory.h" |
| 15 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 16 | class GrGLConicEffect : public GrGLVertexEffect { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 17 | public: |
| 18 | GrGLConicEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
| 19 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 20 | virtual void emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 21 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 22 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 23 | const char* outputColor, |
| 24 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 25 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 26 | const TextureSamplerArray&) SK_OVERRIDE; |
| 27 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 28 | static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 29 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 30 | virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE {} |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 31 | |
| 32 | private: |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 33 | GrEffectEdgeType fEdgeType; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 34 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 35 | typedef GrGLVertexEffect INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 36 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 37 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 38 | GrGLConicEffect::GrGLConicEffect(const GrBackendEffectFactory& factory, |
| 39 | const GrDrawEffect& drawEffect) |
| 40 | : INHERITED (factory) { |
| 41 | const GrConicEffect& ce = drawEffect.castEffect<GrConicEffect>(); |
| 42 | fEdgeType = ce.getEdgeType(); |
| 43 | } |
| 44 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 45 | void GrGLConicEffect::emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 46 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 47 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 48 | const char* outputColor, |
| 49 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 50 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 51 | const TextureSamplerArray& samplers) { |
| 52 | const char *vsName, *fsName; |
| 53 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 54 | builder->addVarying(kVec4f_GrSLType, "ConicCoeffs", |
commit-bot@chromium.org | 5a02cb4 | 2013-08-30 20:17:31 +0000 | [diff] [blame] | 55 | &vsName, &fsName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 56 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 57 | GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 58 | const SkString* attr0Name = |
| 59 | vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]); |
| 60 | vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attr0Name->c_str()); |
| 61 | |
| 62 | GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
| 63 | fsBuilder->codeAppend("\t\tfloat edgeAlpha;\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 64 | |
| 65 | switch (fEdgeType) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 66 | case kHairlineAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 67 | SkAssertResult(fsBuilder->enableFeature( |
| 68 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 69 | fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
| 70 | fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
| 71 | fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 72 | "\t\t\t2.0*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
| 73 | fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 74 | fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 75 | "\t\t\t2.0*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
| 76 | fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 77 | fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
| 78 | fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
| 79 | fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 80 | fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 81 | fsBuilder->codeAppend("\t\tfunc = abs(func);\n"); |
| 82 | fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
| 83 | fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 84 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 85 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 86 | break; |
| 87 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 88 | case kFillAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 89 | SkAssertResult(fsBuilder->enableFeature( |
| 90 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 91 | fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
| 92 | fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
| 93 | fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 94 | "\t\t\t2.0*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
| 95 | fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 96 | fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 97 | "\t\t\t2.0*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
| 98 | fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 99 | fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
| 100 | fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
| 101 | fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 102 | fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 103 | fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
| 104 | fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 105 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 106 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 107 | break; |
| 108 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 109 | case kFillBW_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 110 | fsBuilder->codeAppendf("\t\tedgeAlpha = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 111 | fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 112 | fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 113 | break; |
| 114 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 115 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 116 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 117 | } |
| 118 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 119 | fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
commit-bot@chromium.org | a34995e | 2013-10-23 05:42:03 +0000 | [diff] [blame] | 120 | (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 121 | } |
| 122 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 123 | void GrGLConicEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 124 | GrEffectKeyBuilder* b) { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 125 | const GrConicEffect& ce = drawEffect.castEffect<GrConicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 126 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
| 127 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | ////////////////////////////////////////////////////////////////////////////// |
| 131 | |
| 132 | GrConicEffect::~GrConicEffect() {} |
| 133 | |
| 134 | const GrBackendEffectFactory& GrConicEffect::getFactory() const { |
| 135 | return GrTBackendEffectFactory<GrConicEffect>::getInstance(); |
| 136 | } |
| 137 | |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 138 | GrConicEffect::GrConicEffect(GrEffectEdgeType edgeType) : GrVertexEffect() { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 139 | this->addVertexAttrib(kVec4f_GrSLType); |
| 140 | fEdgeType = edgeType; |
| 141 | } |
| 142 | |
| 143 | bool GrConicEffect::onIsEqual(const GrEffect& other) const { |
| 144 | const GrConicEffect& ce = CastEffect<GrConicEffect>(other); |
| 145 | return (ce.fEdgeType == fEdgeType); |
| 146 | } |
| 147 | |
| 148 | ////////////////////////////////////////////////////////////////////////////// |
| 149 | |
| 150 | GR_DEFINE_EFFECT_TEST(GrConicEffect); |
| 151 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 152 | GrEffect* GrConicEffect::TestCreate(SkRandom* random, |
| 153 | GrContext*, |
| 154 | const GrDrawTargetCaps& caps, |
| 155 | GrTexture*[]) { |
| 156 | GrEffect* effect; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 157 | do { |
| 158 | GrEffectEdgeType edgeType = static_cast<GrEffectEdgeType>( |
| 159 | random->nextULessThan(kGrEffectEdgeTypeCnt)); |
| 160 | effect = GrConicEffect::Create(edgeType, caps); |
| 161 | } while (NULL == effect); |
| 162 | return effect; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | ////////////////////////////////////////////////////////////////////////////// |
| 166 | // Quad |
| 167 | ////////////////////////////////////////////////////////////////////////////// |
| 168 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 169 | class GrGLQuadEffect : public GrGLVertexEffect { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 170 | public: |
| 171 | GrGLQuadEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
| 172 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 173 | virtual void emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 174 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 175 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 176 | const char* outputColor, |
| 177 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 178 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 179 | const TextureSamplerArray&) SK_OVERRIDE; |
| 180 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 181 | static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 182 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 183 | virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE {} |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 184 | |
| 185 | private: |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 186 | GrEffectEdgeType fEdgeType; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 187 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 188 | typedef GrGLVertexEffect INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 189 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 190 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 191 | GrGLQuadEffect::GrGLQuadEffect(const GrBackendEffectFactory& factory, |
| 192 | const GrDrawEffect& drawEffect) |
| 193 | : INHERITED (factory) { |
| 194 | const GrQuadEffect& ce = drawEffect.castEffect<GrQuadEffect>(); |
| 195 | fEdgeType = ce.getEdgeType(); |
| 196 | } |
| 197 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 198 | void GrGLQuadEffect::emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 199 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 200 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 201 | const char* outputColor, |
| 202 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 203 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 204 | const TextureSamplerArray& samplers) { |
| 205 | const char *vsName, *fsName; |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 206 | builder->addVarying(kVec4f_GrSLType, "HairQuadEdge", &vsName, &fsName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 207 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 208 | GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 209 | const SkString* attrName = |
| 210 | vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]); |
| 211 | vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attrName->c_str()); |
| 212 | |
| 213 | GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
| 214 | fsBuilder->codeAppendf("\t\tfloat edgeAlpha;\n"); |
| 215 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 216 | switch (fEdgeType) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 217 | case kHairlineAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 218 | SkAssertResult(fsBuilder->enableFeature( |
| 219 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 220 | fsBuilder->codeAppendf("\t\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
| 221 | fsBuilder->codeAppendf("\t\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
| 222 | fsBuilder->codeAppendf("\t\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 223 | "\t\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
| 224 | fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 225 | fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 226 | fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 227 | fsBuilder->codeAppend("\t\tedgeAlpha = sqrt(edgeAlpha*edgeAlpha / dot(gF, gF));\n"); |
| 228 | fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 229 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 230 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 231 | break; |
| 232 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 233 | case kFillAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 234 | SkAssertResult(fsBuilder->enableFeature( |
| 235 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 236 | fsBuilder->codeAppendf("\t\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
| 237 | fsBuilder->codeAppendf("\t\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
| 238 | fsBuilder->codeAppendf("\t\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 239 | "\t\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
| 240 | fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 241 | fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 242 | fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 243 | fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha / sqrt(dot(gF, gF));\n"); |
| 244 | fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 245 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 246 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 247 | break; |
| 248 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 249 | case kFillBW_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 250 | fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 251 | fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 252 | fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 253 | break; |
| 254 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 255 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 256 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 257 | } |
| 258 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 259 | fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
commit-bot@chromium.org | a34995e | 2013-10-23 05:42:03 +0000 | [diff] [blame] | 260 | (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 261 | } |
| 262 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 263 | void GrGLQuadEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 264 | GrEffectKeyBuilder* b) { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 265 | const GrQuadEffect& ce = drawEffect.castEffect<GrQuadEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 266 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
| 267 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | ////////////////////////////////////////////////////////////////////////////// |
| 271 | |
| 272 | GrQuadEffect::~GrQuadEffect() {} |
| 273 | |
| 274 | const GrBackendEffectFactory& GrQuadEffect::getFactory() const { |
| 275 | return GrTBackendEffectFactory<GrQuadEffect>::getInstance(); |
| 276 | } |
| 277 | |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 278 | GrQuadEffect::GrQuadEffect(GrEffectEdgeType edgeType) : GrVertexEffect() { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 279 | this->addVertexAttrib(kVec4f_GrSLType); |
| 280 | fEdgeType = edgeType; |
| 281 | } |
| 282 | |
| 283 | bool GrQuadEffect::onIsEqual(const GrEffect& other) const { |
| 284 | const GrQuadEffect& ce = CastEffect<GrQuadEffect>(other); |
| 285 | return (ce.fEdgeType == fEdgeType); |
| 286 | } |
| 287 | |
| 288 | ////////////////////////////////////////////////////////////////////////////// |
| 289 | |
| 290 | GR_DEFINE_EFFECT_TEST(GrQuadEffect); |
| 291 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 292 | GrEffect* GrQuadEffect::TestCreate(SkRandom* random, |
| 293 | GrContext*, |
| 294 | const GrDrawTargetCaps& caps, |
| 295 | GrTexture*[]) { |
| 296 | GrEffect* effect; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 297 | do { |
| 298 | GrEffectEdgeType edgeType = static_cast<GrEffectEdgeType>( |
| 299 | random->nextULessThan(kGrEffectEdgeTypeCnt)); |
| 300 | effect = GrQuadEffect::Create(edgeType, caps); |
| 301 | } while (NULL == effect); |
| 302 | return effect; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | ////////////////////////////////////////////////////////////////////////////// |
| 306 | // Cubic |
| 307 | ////////////////////////////////////////////////////////////////////////////// |
| 308 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 309 | class GrGLCubicEffect : public GrGLVertexEffect { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 310 | public: |
| 311 | GrGLCubicEffect(const GrBackendEffectFactory&, const GrDrawEffect&); |
| 312 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 313 | virtual void emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 314 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 315 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 316 | const char* outputColor, |
| 317 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 318 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 319 | const TextureSamplerArray&) SK_OVERRIDE; |
| 320 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 321 | static inline void GenKey(const GrDrawEffect&, const GrGLCaps&, GrEffectKeyBuilder*); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 322 | |
kkinnunen | 7510b22 | 2014-07-30 00:04:16 -0700 | [diff] [blame] | 323 | virtual void setData(const GrGLProgramDataManager&, const GrDrawEffect&) SK_OVERRIDE {} |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 324 | |
| 325 | private: |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 326 | GrEffectEdgeType fEdgeType; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 327 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 328 | typedef GrGLVertexEffect INHERITED; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 329 | }; |
skia.committer@gmail.com | 44a77c8 | 2013-08-23 07:01:29 +0000 | [diff] [blame] | 330 | |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 331 | GrGLCubicEffect::GrGLCubicEffect(const GrBackendEffectFactory& factory, |
| 332 | const GrDrawEffect& drawEffect) |
| 333 | : INHERITED (factory) { |
| 334 | const GrCubicEffect& ce = drawEffect.castEffect<GrCubicEffect>(); |
| 335 | fEdgeType = ce.getEdgeType(); |
| 336 | } |
| 337 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 338 | void GrGLCubicEffect::emitCode(GrGLFullProgramBuilder* builder, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 339 | const GrDrawEffect& drawEffect, |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 340 | const GrEffectKey& key, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 341 | const char* outputColor, |
| 342 | const char* inputColor, |
bsalomon@google.com | 77af680 | 2013-10-02 13:04:56 +0000 | [diff] [blame] | 343 | const TransformedCoordsArray&, |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 344 | const TextureSamplerArray& samplers) { |
| 345 | const char *vsName, *fsName; |
| 346 | |
commit-bot@chromium.org | 261dc56 | 2013-10-04 15:42:56 +0000 | [diff] [blame] | 347 | builder->addVarying(kVec4f_GrSLType, "CubicCoeffs", |
commit-bot@chromium.org | 5a02cb4 | 2013-08-30 20:17:31 +0000 | [diff] [blame] | 348 | &vsName, &fsName); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 349 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 350 | GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 351 | const SkString* attr0Name = |
| 352 | vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]); |
| 353 | vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attr0Name->c_str()); |
| 354 | |
| 355 | GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
| 356 | fsBuilder->codeAppend("\t\tfloat edgeAlpha;\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 357 | |
| 358 | switch (fEdgeType) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 359 | case kHairlineAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 360 | SkAssertResult(fsBuilder->enableFeature( |
| 361 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 362 | fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
| 363 | fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
| 364 | fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 365 | "\t\t3.0*%s.x*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
| 366 | fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 367 | fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 368 | "\t\t3.0*%s.x*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
| 369 | fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 370 | fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
| 371 | fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
| 372 | fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 373 | fsName, fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 374 | fsBuilder->codeAppend("\t\tfunc = abs(func);\n"); |
| 375 | fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
| 376 | fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 377 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 378 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 379 | break; |
| 380 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 381 | case kFillAA_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 382 | SkAssertResult(fsBuilder->enableFeature( |
| 383 | GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
| 384 | fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
| 385 | fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
| 386 | fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 387 | "\t\t3.0*%s.x*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
| 388 | fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 389 | fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 390 | "\t\t3.0*%s.x*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
| 391 | fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 392 | fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
| 393 | fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
| 394 | fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 395 | fsName, fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 396 | fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
| 397 | fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 398 | // Add line below for smooth cubic ramp |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 399 | // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 400 | break; |
| 401 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 402 | case kFillBW_GrEffectEdgeType: { |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 403 | fsBuilder->codeAppendf("\t\tedgeAlpha = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 404 | fsName, fsName, fsName, fsName, fsName); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 405 | fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 406 | break; |
| 407 | } |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 408 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 409 | SkFAIL("Shouldn't get here"); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 410 | } |
| 411 | |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame^] | 412 | fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
commit-bot@chromium.org | a34995e | 2013-10-23 05:42:03 +0000 | [diff] [blame] | 413 | (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 414 | } |
| 415 | |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 416 | void GrGLCubicEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
| 417 | GrEffectKeyBuilder* b) { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 418 | const GrCubicEffect& ce = drawEffect.castEffect<GrCubicEffect>(); |
bsalomon | 63e99f7 | 2014-07-21 08:03:14 -0700 | [diff] [blame] | 419 | uint32_t key = ce.isAntiAliased() ? (ce.isFilled() ? 0x0 : 0x1) : 0x2; |
| 420 | b->add32(key); |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | ////////////////////////////////////////////////////////////////////////////// |
| 424 | |
| 425 | GrCubicEffect::~GrCubicEffect() {} |
| 426 | |
| 427 | const GrBackendEffectFactory& GrCubicEffect::getFactory() const { |
| 428 | return GrTBackendEffectFactory<GrCubicEffect>::getInstance(); |
| 429 | } |
| 430 | |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 431 | GrCubicEffect::GrCubicEffect(GrEffectEdgeType edgeType) : GrVertexEffect() { |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 432 | this->addVertexAttrib(kVec4f_GrSLType); |
| 433 | fEdgeType = edgeType; |
| 434 | } |
| 435 | |
| 436 | bool GrCubicEffect::onIsEqual(const GrEffect& other) const { |
| 437 | const GrCubicEffect& ce = CastEffect<GrCubicEffect>(other); |
| 438 | return (ce.fEdgeType == fEdgeType); |
| 439 | } |
| 440 | |
| 441 | ////////////////////////////////////////////////////////////////////////////// |
| 442 | |
| 443 | GR_DEFINE_EFFECT_TEST(GrCubicEffect); |
| 444 | |
bsalomon | 83d081a | 2014-07-08 09:56:10 -0700 | [diff] [blame] | 445 | GrEffect* GrCubicEffect::TestCreate(SkRandom* random, |
| 446 | GrContext*, |
| 447 | const GrDrawTargetCaps& caps, |
| 448 | GrTexture*[]) { |
| 449 | GrEffect* effect; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 450 | do { |
| 451 | GrEffectEdgeType edgeType = static_cast<GrEffectEdgeType>( |
| 452 | random->nextULessThan(kGrEffectEdgeTypeCnt)); |
| 453 | effect = GrCubicEffect::Create(edgeType, caps); |
| 454 | } while (NULL == effect); |
| 455 | return effect; |
commit-bot@chromium.org | 07e1c3f | 2013-08-22 20:41:15 +0000 | [diff] [blame] | 456 | } |