commit b5f419a5321c21f5691bffc82ab6d025b0630458
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Aug 15 18:16:41 2013 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Aug 15 18:16:41 2013 +0000
tree ae239b5b53e1e4099296db94e2892da034b6ce60
parent 1e7b242ea99d4667afe729809772e932d48e5579

Enable coverage when drawing to the stencil buffer.

Currently, we set kEmitTransBlack_BlendOptFlag when drawing to the stencil buffer - but that
prevents masks from being drawn correctly as they receive full coverage and no fragments get
discarded.

R=bsalomon@google.com, robertphillips@google.com

Author: fmalita@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23197003

git-svn-id: http://skia.googlecode.com/svn/trunk/src@10745 2bbb7eff-a529-9590-31e7-b0007b416f81

gpu/GrDrawState.cpp

diff --git a/gpu/GrDrawState.cpp b/gpu/GrDrawState.cpp
index 0a56757..6c1fa24 100644
--- a/gpu/GrDrawState.cpp
+++ b/gpu/GrDrawState.cpp
@@ -327,7 +327,7 @@
     if ((kZero_GrBlendCoeff == *srcCoeff && dstCoeffIsOne) || covIsZero) {
         if (this->getStencil().doesWrite()) {
             return kDisableBlend_BlendOptFlag |
-                   kEmitTransBlack_BlendOptFlag;
+                   kEmitCoverage_BlendOptFlag;
         } else {
             return kSkipDraw_BlendOptFlag;
         }