commit 62c447d3a556e3042cdf5d23b3e2a618eaa3c100
author bsalomon <bsalomon@google.com> Fri Aug 08 08:08:50 2014 -0700
committer Commit bot <commit-bot@chromium.org> Fri Aug 08 08:08:51 2014 -0700
tree fe86d636769bec3d9f0899baef17b0a06d02e095
parent 6563562cb6b03ad11e33b50b84acf43742b4477e

Add an opaqueness hint to GrDrawState.

Check it when deciding whether to combine draw states.

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

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/446953002

src/gpu/GrBitmapTextContext.cpp

diff --git a/src/gpu/GrBitmapTextContext.cpp b/src/gpu/GrBitmapTextContext.cpp
index b2cea2b..0c4d324 100755
--- a/src/gpu/GrBitmapTextContext.cpp
+++ b/src/gpu/GrBitmapTextContext.cpp
@@ -592,6 +592,9 @@
                               SkFixedToFloat(texture->normalizeFixedY(ty + height)),
                               vertSize);
     if (useColorVerts) {
+        if (0xFF == GrColorUnpackA(fPaint.getColor())) {
+            fDrawTarget->drawState()->setHint(GrDrawState::kVertexColorsAreOpaque_Hint, true);
+        }
         // color comes after position.
         GrColor* colors = reinterpret_cast<GrColor*>(positions + 1);
         for (int i = 0; i < 4; ++i) {