Add support for GL_*_shader__framebuffer_fetch

R=robertphillips@google.com

Review URL: https://codereview.chromium.org/14875002

git-svn-id: http://skia.googlecode.com/svn/trunk@8980 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrDrawTargetCaps.h b/src/gpu/GrDrawTargetCaps.h
index 35a05f9..236f939 100644
--- a/src/gpu/GrDrawTargetCaps.h
+++ b/src/gpu/GrDrawTargetCaps.h
@@ -35,6 +35,7 @@
     bool dualSourceBlendingSupport() const { return fDualSourceBlendingSupport; }
     bool bufferLockSupport() const { return fBufferLockSupport; }
     bool pathStencilingSupport() const { return fPathStencilingSupport; }
+    bool dstReadInShaderSupport() const { return fDstReadInShaderSupport; }
 
     int maxRenderTargetSize() const { return fMaxRenderTargetSize; }
     int maxTextureSize() const { return fMaxTextureSize; }
@@ -52,6 +53,7 @@
     bool fDualSourceBlendingSupport : 1;
     bool fBufferLockSupport         : 1;
     bool fPathStencilingSupport     : 1;
+    bool fDstReadInShaderSupport    : 1;
 
     int fMaxRenderTargetSize;
     int fMaxTextureSize;