Fix Ganesh perspective projection bug

src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp

Index: src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
index cde827939219dd9e3c7a1a7adef3f69009bf4e53..03ebca3ee132aaf38d7fab2aaa7c9d75172fc2e8 100644
--- a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
@@ -61,9 +61,10 @@ void GrGLVertexBuilder::transformToNormalizedDeviceSpace(const GrShaderVar& posV
                           "gl_Position = vec4(_posTmp.x * %s.x + %s.y, _posTmp.y * %s.z + %s.w, 0, 1);}",

[joshualitt, 2015/09/17 16:40:51]

line wrap :-p

[robertphillips, 2015/09/17 16:45:41]

Done.

                           fRtAdjustName, fRtAdjustName, fRtAdjustName, fRtAdjustName);
     } else if (kVec3f_GrSLType == posVar.getType()) {
-        this->codeAppendf("gl_Position = vec4(dot(%s.xz, %s.xy)/%s.z, dot(%s.yz, %s.zw)/%s.z, 0, 1);",
-                          posVar.c_str(), fRtAdjustName, posVar.c_str(),
-                          posVar.c_str(), fRtAdjustName, posVar.c_str());
+        this->codeAppendf("gl_Position = vec4(dot(%s.xz, %s.xy), dot(%s.yz, %s.zw), 0, %s.z);",
+                          posVar.c_str(), fRtAdjustName,
+                          posVar.c_str(), fRtAdjustName,
+                          posVar.c_str());
     } else {
         SkASSERT(kVec2f_GrSLType == posVar.getType());
         this->codeAppendf("gl_Position = vec4(%s.x * %s.x + %s.y, %s.y * %s.z + %s.w, 0, 1);",