Continue making Ganesh use absolute texture coordinates

The idea here is that the GrCoordTransform will actually hold a GrTextureProxy (rather than a GrTexture) and then, in GrGLSLPrimitiveProcessor::GetTransformMatrix, use the instantiated width & height (when uploading the transform matrix) 

Change-Id: Ibac3a540fcb1967ceef571157d41c1937acfadf8
Reviewed-on: https://skia-review.googlesource.com/6977
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp b/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
index 24f21ffe7a..f39fff2a07 100644
--- a/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
+++ b/src/gpu/glsl/GrGLSLPrimitiveProcessor.cpp
@@ -16,6 +16,11 @@ SkMatrix GrGLSLPrimitiveProcessor::GetTransformMatrix(const SkMatrix& localMatri
                                                       const GrCoordTransform& coordTransform) {
     SkMatrix combined;
     combined.setConcat(coordTransform.getMatrix(), localMatrix);
+    if (coordTransform.normalize()) {
+        SkASSERT(coordTransform.texture());
+        combined.postIDiv(coordTransform.texture()->width(), coordTransform.texture()->height());
+    }
+
     if (coordTransform.reverseY()) {
         // combined.postScale(1,-1);
         // combined.postTranslate(0,1);