Index: src/gpu/effects/GrBezierEffect.cpp |
diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp |
index 7384f62856c91378014f114d3fdee8c026a8e02a..6a2f4ba706dd5d800a0ff214d546131216edafe1 100644 |
--- a/src/gpu/effects/GrBezierEffect.cpp |
+++ b/src/gpu/effects/GrBezierEffect.cpp |
@@ -60,56 +60,90 @@ void GrGLConicEffect::emitCode(GrGLFullProgramBuilder* builder, |
vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attr0Name->c_str()); |
GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
- fsBuilder->codeAppend("\t\tfloat edgeAlpha;\n"); |
+ |
+ GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar gFM("gFM", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar func("func", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ |
+ fsBuilder->declAppend(edgeAlpha, *builder); |
+ fsBuilder->declAppend(dklmdx, *builder); |
+ fsBuilder->declAppend(dklmdy, *builder); |
+ fsBuilder->declAppend(dfdx, *builder); |
+ fsBuilder->declAppend(dfdy, *builder); |
+ fsBuilder->declAppend(gF, *builder); |
+ fsBuilder->declAppend(gFM, *builder); |
+ fsBuilder->declAppend(func, *builder); |
switch (fEdgeType) { |
case kHairlineAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
- "\t\t\t2.0*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
- fsName, fsName, fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
- "\t\t\t2.0*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
- fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
- fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
- fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
- fsName, fsName); |
- fsBuilder->codeAppend("\t\tfunc = abs(func);\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xyz);\n", dklmdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xyz);\n", dklmdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t\t2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdx.c_str(), fsName, dklmdx.c_str(), fsName, dklmdx.c_str(), |
+ fsName, dklmdx.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t\t2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdy.c_str(), fsName, dklmdy.c_str(), fsName, dklmdy.c_str(), |
+ fsName, dklmdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(%s, %s);\n", |
+ gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = sqrt(dot(%s, %s));\n", |
+ gFM.c_str(), gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x - %s.y*%s.z;\n", |
+ func.c_str(), fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = abs(%s);\n", func.c_str(), func.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s / %s;\n", |
+ edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = max(1.0 - %s, 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
- "\t\t\t2.0*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
- fsName, fsName, fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
- "\t\t\t2.0*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
- fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
- fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
- fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
- fsName, fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xyz);\n", dklmdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xyz);\n", dklmdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t\t2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdx.c_str(), fsName, dklmdx.c_str(), fsName, dklmdx.c_str(), |
+ fsName, dklmdx.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t\t2.0 * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdy.c_str(), fsName, dklmdy.c_str(), fsName, dklmdy.c_str(), |
+ fsName, dklmdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(%s, %s);\n", |
+ gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = sqrt(dot(%s, %s));\n", |
+ gFM.c_str(), gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x - %s.y*%s.z;\n", |
+ func.c_str(), fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = %s / %s;\n", |
+ edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = clamp(1.0 - %s, 0.0, 1.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillBW_GrEffectEdgeType: { |
- fsBuilder->codeAppendf("\t\tedgeAlpha = %s.x*%s.x - %s.y*%s.z;\n", fsName, fsName, |
- fsName, fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x - %s.y*%s.z;\n", |
+ edgeAlpha.c_str(), fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = float(%s < 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
break; |
} |
default: |
@@ -117,7 +151,7 @@ void GrGLConicEffect::emitCode(GrGLFullProgramBuilder* builder, |
} |
fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
- (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
+ (GrGLSLExpr4(inputColor) * GrGLSLExpr1(edgeAlpha.c_str())).c_str()); |
} |
void GrGLConicEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
@@ -211,45 +245,66 @@ void GrGLQuadEffect::emitCode(GrGLFullProgramBuilder* builder, |
vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attrName->c_str()); |
GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
- fsBuilder->codeAppendf("\t\tfloat edgeAlpha;\n"); |
+ |
+ GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar duvdx("duvdx", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar duvdy("duvdy", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ |
+ fsBuilder->declAppend(edgeAlpha, *builder); |
+ fsBuilder->declAppend(duvdx, *builder); |
+ fsBuilder->declAppend(duvdy, *builder); |
+ fsBuilder->declAppend(gF, *builder); |
switch (fEdgeType) { |
case kHairlineAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
- "\t\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
- fsName, fsName); |
- fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
- fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = sqrt(edgeAlpha*edgeAlpha / dot(gF, gF));\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xy);\n", duvdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xy);\n", duvdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(2.0 * %s.x * %s.x - %s.y,\n" |
+ "\t\t 2.0 * %s.x * %s.x - %s.y);\n", |
+ gF.c_str(), fsName, duvdx.c_str(), duvdx.c_str(), |
+ fsName, duvdy.c_str(), duvdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = (%s.x * %s.x - %s.y);\n", |
+ edgeAlpha.c_str(), fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = sqrt(%s * %s / dot(%s, %s));\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = max(1.0 - %s, 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec2 duvdx = dFdx(%s.xy);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec2 duvdy = dFdy(%s.xy);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y,\n" |
- "\t\t 2.0*%s.x*duvdy.x - duvdy.y);\n", |
- fsName, fsName); |
- fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
- fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha / sqrt(dot(gF, gF));\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xy);\n", duvdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xy);\n", duvdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(2.0 * %s.x * %s.x - %s.y,\n" |
+ "\t\t 2.0 * %s.x * %s.x - %s.y);\n", |
+ gF.c_str(), fsName, duvdx.c_str(), duvdx.c_str(), |
+ fsName, duvdy.c_str(), duvdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = (%s.x*%s.x - %s.y);\n", |
+ edgeAlpha.c_str(), fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = %s / sqrt(dot(%s, %s));\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str(), gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = clamp(1.0 - %s, 0.0, 1.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillBW_GrEffectEdgeType: { |
- fsBuilder->codeAppendf("\t\tedgeAlpha = (%s.x*%s.x - %s.y);\n", fsName, fsName, |
- fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = (%s.x*%s.x - %s.y);\n", |
+ edgeAlpha.c_str(), fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = float(%s < 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
break; |
} |
default: |
@@ -257,7 +312,7 @@ void GrGLQuadEffect::emitCode(GrGLFullProgramBuilder* builder, |
} |
fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
- (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
+ (GrGLSLExpr4(inputColor) * GrGLSLExpr1(edgeAlpha.c_str())).c_str()); |
} |
void GrGLQuadEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |
@@ -353,56 +408,90 @@ void GrGLCubicEffect::emitCode(GrGLFullProgramBuilder* builder, |
vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attr0Name->c_str()); |
GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder(); |
- fsBuilder->codeAppend("\t\tfloat edgeAlpha;\n"); |
+ |
+ GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar gFM("gFM", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ GrGLShaderVar func("func", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
+ |
+ fsBuilder->declAppend(edgeAlpha, *builder); |
+ fsBuilder->declAppend(dklmdx, *builder); |
+ fsBuilder->declAppend(dklmdy, *builder); |
+ fsBuilder->declAppend(dfdx, *builder); |
+ fsBuilder->declAppend(dfdy, *builder); |
+ fsBuilder->declAppend(gF, *builder); |
+ fsBuilder->declAppend(gFM, *builder); |
+ fsBuilder->declAppend(func, *builder); |
switch (fEdgeType) { |
case kHairlineAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
- "\t\t3.0*%s.x*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
- fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
- "\t\t3.0*%s.x*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
- fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
- fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
- fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
- fsName, fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tfunc = abs(func);\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = max(1.0 - edgeAlpha, 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xyz);\n", dklmdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xyz);\n", dklmdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdx.c_str(), fsName, fsName, dklmdx.c_str(), fsName, |
+ dklmdx.c_str(), fsName, dklmdx.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdy.c_str(), fsName, fsName, dklmdy.c_str(), fsName, |
+ dklmdy.c_str(), fsName, dklmdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(%s, %s);\n", |
+ gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = sqrt(dot(%s, %s));\n", |
+ gFM.c_str(), gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
+ func.c_str(), fsName, fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = abs(%s);\n", func.c_str(), func.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s / %s;\n", |
+ edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = max(1.0 - %s, 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillAA_GrEffectEdgeType: { |
SkAssertResult(fsBuilder->enableFeature( |
GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdx = dFdx(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tvec3 dklmdy = dFdy(%s.xyz);\n", fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdx =\n" |
- "\t\t3.0*%s.x*%s.x*dklmdx.x - %s.y*dklmdx.z - %s.z*dklmdx.y;\n", |
- fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppendf("\t\tfloat dfdy =\n" |
- "\t\t3.0*%s.x*%s.x*dklmdy.x - %s.y*dklmdy.z - %s.z*dklmdy.y;\n", |
- fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tvec2 gF = vec2(dfdx, dfdy);\n"); |
- fsBuilder->codeAppend("\t\tfloat gFM = sqrt(dot(gF, gF));\n"); |
- fsBuilder->codeAppendf("\t\tfloat func = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
- fsName, fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = func / gFM;\n"); |
- fsBuilder->codeAppend("\t\tedgeAlpha = clamp(1.0 - edgeAlpha, 0.0, 1.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = dFdx(%s.xyz);\n", dklmdx.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s = dFdy(%s.xyz);\n", dklmdy.c_str(), fsName); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdx.c_str(), fsName, fsName, dklmdx.c_str(), fsName, |
+ dklmdx.c_str(), fsName, dklmdx.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s =\n" |
+ "\t\t3.0 * %s.x * %s.x * %s.x - %s.y * %s.z - %s.z * %s.y;\n", |
+ dfdy.c_str(), fsName, fsName, dklmdy.c_str(), fsName, |
+ dklmdy.c_str(), fsName, dklmdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = vec2(%s, %s);\n", |
+ gF.c_str(), dfdx.c_str(), dfdy.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = sqrt(dot(%s, %s));\n", |
+ gFM.c_str(), gF.c_str(), gF.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
+ func.c_str(), fsName, fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = %s / %s;\n", |
+ edgeAlpha.c_str(), func.c_str(), gFM.c_str()); |
+ fsBuilder->codeAppendf("\t\t%s = clamp(1.0 - %s, 0.0, 1.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
// Add line below for smooth cubic ramp |
- // fsBuilder->codeAppend("\t\tedgeAlpha = edgeAlpha*edgeAlpha*(3.0-2.0*edgeAlpha);\n"); |
+ // fsBuilder->codeAppendf("\t\t%s = %s * %s * (3.0 - 2.0 * %s);\n", |
+ // edgeAlpha.c_str(), edgeAlpha.c_str(), edgeAlpha.c_str(), |
+ // edgeAlpha.c_str()); |
break; |
} |
case kFillBW_GrEffectEdgeType: { |
- fsBuilder->codeAppendf("\t\tedgeAlpha = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
- fsName, fsName, fsName, fsName, fsName); |
- fsBuilder->codeAppend("\t\tedgeAlpha = float(edgeAlpha < 0.0);\n"); |
+ fsBuilder->codeAppendf("\t\t%s = %s.x*%s.x*%s.x - %s.y*%s.z;\n", |
+ edgeAlpha.c_str(), fsName, fsName, fsName, fsName, fsName); |
+ fsBuilder->codeAppendf("\t\t%s = float(%s < 0.0);\n", |
+ edgeAlpha.c_str(), edgeAlpha.c_str()); |
break; |
} |
default: |
@@ -410,7 +499,7 @@ void GrGLCubicEffect::emitCode(GrGLFullProgramBuilder* builder, |
} |
fsBuilder->codeAppendf("\t%s = %s;\n", outputColor, |
- (GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str()); |
+ (GrGLSLExpr4(inputColor) * GrGLSLExpr1(edgeAlpha.c_str())).c_str()); |
} |
void GrGLCubicEffect::GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&, |