Enable vertexless shading when path rendering is supported

src/gpu/gl/GrGLProgram.cpp

Index: src/gpu/gl/GrGLProgram.cpp
diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index ebc57827c5d69393fd745563c56304283b5b2271..0020a3c9d685967f846ebf639b053f504d022ccc 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -53,7 +53,9 @@ GrGLProgram::GrGLProgram(GrGpuGL* gpu,
                          const GrEffectStage* colorStages[],
                          const GrEffectStage* coverageStages[])
 : fGpu(gpu)
-, fUniformManager(gpu) {
+, fUniformManager(gpu)
+, fHasVertexShader(false)
+, fNumTexGenUnits(0) {
     fDesc = desc;
     fVShaderID = 0;
     fGShaderID = 0;
@@ -686,6 +688,8 @@ bool GrGLProgram::genProgram(const GrEffectStage* colorStages[],
     }
 
     builder.finished(fProgramID);
+    fHasVertexShader = (NULL != builder.getVertexBuilder());
+    fNumTexGenUnits = builder.getNumTexGenUnits();
     fUniformHandles.fRTHeightUni = builder.getRTHeightUniform();
     fUniformHandles.fDstCopyTopLeftUni = builder.getDstCopyTopLeftUniform();
     fUniformHandles.fDstCopyScaleUni = builder.getDstCopyScaleUniform();
@@ -914,6 +918,8 @@ void GrGLProgram::setData(GrDrawState::BlendOptFlags blendOpts,
             this->setEffectData(*coverageStages[e], fCoverageEffects[e]);
         }
     }
+
+    fGpu->disableUnusedTexGenUnits(fNumTexGenUnits);
 }
 
 void GrGLProgram::setColor(const GrDrawState& drawState,
@@ -1006,9 +1012,11 @@ void GrGLProgram::setMatrixAndRenderTargetHeight(const GrDrawState& drawState) {
         fUniformManager.set1f(fUniformHandles.fRTHeightUni, SkIntToScalar(size.fHeight));
     }
 
-    if (fMatrixState.fRenderTargetOrigin != rt->origin() ||
-        !fMatrixState.fViewMatrix.cheapEqualTo(drawState.getViewMatrix()) ||
-        fMatrixState.fRenderTargetSize != size) {
+    if (!fHasVertexShader) {
+        fGpu->setProjectionMatrix(drawState.getViewMatrix(), size, rt->origin());
+    } else if (fMatrixState.fRenderTargetOrigin != rt->origin() ||
+               !fMatrixState.fViewMatrix.cheapEqualTo(drawState.getViewMatrix()) ||
+               fMatrixState.fRenderTargetSize != size) {
 
         fMatrixState.fViewMatrix = drawState.getViewMatrix();
         fMatrixState.fRenderTargetSize = size;