Access sampler matrices directly, cleanup GrSamplerState::reset()s

Review URL: http://codereview.appspot.com/5488048/


git-svn-id: http://skia.googlecode.com/svn/trunk@2854 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrDrawTarget.cpp b/src/gpu/GrDrawTarget.cpp
index aa5cf20..4211da9 100644
--- a/src/gpu/GrDrawTarget.cpp
+++ b/src/gpu/GrDrawTarget.cpp
@@ -1085,7 +1085,7 @@
     drawState->setViewMatrix(fViewMatrix);
     for (int s = 0; s < GrDrawState::kNumStages; ++s) {
         if (fStageMask & (1 << s)) {
-            drawState->sampler(s)->setMatrix(fSamplerMatrices[s]);
+            *drawState->sampler(s)->matrix() = fSamplerMatrices[s];
         }
     }
 }