Axis aligned shader-based rect drawing

src/gpu/GrContext.cpp

Index: src/gpu/GrContext.cpp
===================================================================
--- src/gpu/GrContext.cpp	(revision 8912)
+++ src/gpu/GrContext.cpp	(working copy)
@@ -808,9 +808,13 @@
         } else {
             // filled AA rect
 #ifdef SHADER_AA_FILL_RECT
-            fAARectRenderer->shaderFillAARect(this->getGpu(), target,
-                                              rect, combinedMatrix, devRect,
-                                              useVertexCoverage);
+            if (combinedMatrix.rectStaysRect()) {

[bsalomon, 2013/04/29 19:44:50]

Seems cleaner to me make axis-aligned vs not an implementation detail of the
renderer class rather than part of its API.

[robertphillips, 2013/05/02 13:56:39]

Done. Note that this change will make more sense if/when the rotated geometric
AA rects CL lands. 

+                fAARectRenderer->shaderFillAAAARect(this->getGpu(), target,
+                                                    combinedMatrix, devRect);
+            } else {
+                fAARectRenderer->shaderFillAARect(this->getGpu(), target,
+                                                  rect, combinedMatrix, devRect);
+            }
 #else
             fAARectRenderer->fillAARect(this->getGpu(), target,
                                         devRect, useVertexCoverage);