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, 2 insertions, 4 deletions

diff --git a/src/gpu/GrBlurUtils.cpp b/src/gpu/GrBlurUtils.cpp
index 23a3c6ce0b..61290b0fdf 100644
--- a/src/gpu/GrBlurUtils.cpp
+++ b/src/gpu/GrBlurUtils.cpp
@@ -46,10 +46,8 @@ static bool draw_mask(GrRenderTargetContext* renderTargetContext,
         return false;
     }
 
-    SkMatrix matrix;
-    matrix.setTranslate(-SkIntToScalar(maskRect.fLeft), -SkIntToScalar(maskRect.fTop));
-    // TODO: this divide relies on the instantiated texture's size!
-    matrix.postIDiv(maskTex->width(), maskTex->height());
+    SkMatrix matrix = SkMatrix::MakeTrans(-SkIntToScalar(maskRect.fLeft),
+                                          -SkIntToScalar(maskRect.fTop));
     matrix.preConcat(viewMatrix);
     paint.addCoverageFragmentProcessor(GrSimpleTextureEffect::Make(maskTex, nullptr, matrix));