commit ee29557ac8496e5213bed8fb0b0e0a99a517f004
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Oct 17 16:29:41 2013 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Thu Oct 17 16:29:41 2013 +0000
tree c1190612b4a885a019eeb85ed0ede345fda80ac7
parent 441954d478fc806e3cd3662487de4dadde312a6e

Add support for GL_CHROMIUM_renderbuffer_format_BGRA8888

R=robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/27525006

git-svn-id: http://skia.googlecode.com/svn/trunk/src@11844 2bbb7eff-a529-9590-31e7-b0007b416f81

gpu/gl/GrGLCaps.cpp

diff --git a/gpu/gl/GrGLCaps.cpp b/gpu/gl/GrGLCaps.cpp
index a96526a..dce9851 100644
--- a/gpu/gl/GrGLCaps.cpp
+++ b/gpu/gl/GrGLCaps.cpp
@@ -406,8 +406,13 @@
         fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kNo_MSAA]  = true;
         // The GL_EXT_texture_format_BGRA8888 extension does not add BGRA to the list of
         // configs that are color-renderable and can be passed to glRenderBufferStorageMultisample.
-        fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kYes_MSAA] =
-            !fBGRAIsInternalFormat || !this->usesMSAARenderBuffers();
+        // Chromium may have an extension to allow BGRA renderbuffers to work on desktop platforms.
+        if (ctxInfo.extensions().has("GL_CHROMIUM_renderbuffer_format_BGRA8888")) {
+            fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kYes_MSAA] = true;
+        } else {
+            fConfigRenderSupport[kBGRA_8888_GrPixelConfig][kYes_MSAA] =
+                !fBGRAIsInternalFormat || !this->usesMSAARenderBuffers();
+        }
     }
 
     // If we don't support MSAA then undo any places above where we set a config as renderable with