Default geometry processor

BUG=skia:

Review URL: https://codereview.chromium.org/678953002

4 files changed, 36 insertions, 0 deletions

diff --git a/src/gpu/effects/GrBezierEffect.cpp b/src/gpu/effects/GrBezierEffect.cpp
index 196168c06a..26049b398b 100644
--- a/src/gpu/effects/GrBezierEffect.cpp
+++ b/src/gpu/effects/GrBezierEffect.cpp
@@ -44,6 +44,10 @@ void GrGLConicEffect::emitCode(const EmitArgs& args) {
     GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
     vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inConicCoeffs.c_str());
 
+    // setup position varying
+    vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(), vsBuilder->uViewM(),
+                           vsBuilder->inPosition());
+
     GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppend("float edgeAlpha;");
 
@@ -184,6 +188,10 @@ void GrGLQuadEffect::emitCode(const EmitArgs& args) {
     const GrShaderVar& inHairQuadEdge = args.fGP.cast<GrQuadEffect>().inHairQuadEdge();
     vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inHairQuadEdge.c_str());
 
+    // setup position varying
+    vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(), vsBuilder->uViewM(),
+                           vsBuilder->inPosition());
+
     GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("float edgeAlpha;");
 
@@ -310,6 +318,10 @@ void GrGLCubicEffect::emitCode(const EmitArgs& args) {
     const GrShaderVar& inCubicCoeffs = args.fGP.cast<GrCubicEffect>().inCubicCoeffs();
     vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inCubicCoeffs.c_str());
 
+    // setup position varying
+    vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(), vsBuilder->uViewM(),
+                           vsBuilder->inPosition());
+
     GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
 
     GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision);
diff --git a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
index afa0754603..77e799414a 100644
--- a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
+++ b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
@@ -31,6 +31,10 @@ public:
         const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTextureCoords();
         vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inTextureCoords.c_str());
 
+        // setup position varying
+        vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
+                               vsBuilder->uViewM(), vsBuilder->inPosition());
+
         GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
         fsBuilder->codeAppendf("%s = ", args.fOutput);
         fsBuilder->appendTextureLookupAndModulate(args.fInput,
diff --git a/src/gpu/effects/GrDashingEffect.cpp b/src/gpu/effects/GrDashingEffect.cpp
index f2e4438158..65ba84858d 100644
--- a/src/gpu/effects/GrDashingEffect.cpp
+++ b/src/gpu/effects/GrDashingEffect.cpp
@@ -520,6 +520,10 @@ void GLDashingCircleEffect::emitCode(const EmitArgs& args) {
     GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
     vsBuilder->codeAppendf("\t%s = %s;\n", v.vsOut(), dce.inCoord().c_str());
 
+    // setup position varying
+    vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(), vsBuilder->uViewM(),
+                           vsBuilder->inPosition());
+
     // transforms all points so that we can compare them to our test circle
     GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("\t\tfloat xShifted = %s.x - floor(%s.x / %s.z) * %s.z;\n",
@@ -723,6 +727,10 @@ void GLDashingLineEffect::emitCode(const EmitArgs& args) {
     GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
     vsBuilder->codeAppendf("\t%s = %s;\n", v.vsOut(), de.inCoord().c_str());
 
+    // setup position varying
+    vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(), vsBuilder->uViewM(),
+                           vsBuilder->inPosition());
+
     // transforms all points so that we can compare them to our test rect
     GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
     fsBuilder->codeAppendf("\t\tfloat xShifted = %s.x - floor(%s.x / %s) * %s;\n",
diff --git a/src/gpu/effects/GrDistanceFieldTextureEffect.cpp b/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
index b9776986b5..0c7a9a3d8c 100755
--- a/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
+++ b/src/gpu/effects/GrDistanceFieldTextureEffect.cpp
@@ -45,6 +45,10 @@ public:
         GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
         vsBuilder->codeAppendf("\t%s = %s;\n", v.vsOut(), dfTexEffect.inTextureCoords().c_str());
 
+        // setup position varying
+        vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
+                               vsBuilder->uViewM(), vsBuilder->inPosition());
+
         const char* textureSizeUniName = NULL;
         fTextureSizeUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                                kVec2f_GrSLType, "TextureSize",
@@ -256,6 +260,10 @@ public:
         GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
         vsBuilder->codeAppendf("%s = %s;", v.vsOut(), dfTexEffect.inTextureCoords().c_str());
 
+        // setup position varying
+        vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
+                               vsBuilder->uViewM(), vsBuilder->inPosition());
+
         const char* textureSizeUniName = NULL;
         fTextureSizeUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                               kVec2f_GrSLType, "TextureSize",
@@ -410,6 +418,10 @@ public:
         GrGLVertexBuilder* vsBuilder = args.fPB->getVertexShaderBuilder();
         vsBuilder->codeAppendf("\t%s = %s;\n", v.vsOut(), dfTexEffect.inTextureCoords().c_str());
 
+        // setup position varying
+        vsBuilder->codeAppendf("%s = %s * vec3(%s, 1);", vsBuilder->glPosition(),
+                               vsBuilder->uViewM(), vsBuilder->inPosition());
+
         const char* textureSizeUniName = NULL;
         // width, height, 1/(3*width)
         fTextureSizeUni = args.fPB->addUniform(GrGLProgramBuilder::kFragment_Visibility,