commit 459104ceea00a08855099238563a06099340c2fa
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Jun 14 14:42:56 2013 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> Fri Jun 14 14:42:56 2013 +0000
tree 28bc359d99521cdceaf2ed5229bf6ad5a822a675
parent 61c49f357a03f68c12c2650ac9915657298352a4

Add MESA detection to GrContextInfo and use to decide whether to use GL_ALPHA or GL_RED.

Based on yunchao.he@intel.com's original change here: https://codereview.chromium.org/15994006/

R=yunchao.he@intel.com, robertphillips@google.com

Author: bsalomon@google.com

Review URL: https://chromiumcodereview.appspot.com/16955005

git-svn-id: http://skia.googlecode.com/svn/trunk@9608 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/gl/GrGLContext.cpp

diff --git a/src/gpu/gl/GrGLContext.cpp b/src/gpu/gl/GrGLContext.cpp
index d384b4e..1d0a01f 100644
--- a/src/gpu/gl/GrGLContext.cpp
+++ b/src/gpu/gl/GrGLContext.cpp
@@ -14,6 +14,7 @@
     fGLSLGeneration = ctxInfo.fGLSLGeneration;
     fVendor = ctxInfo.fVendor;
     fExtensions = ctxInfo.fExtensions;
+    fIsMesa = ctxInfo.fIsMesa;
     *fGLCaps = *ctxInfo.fGLCaps.get();
     return *this;
 }
@@ -36,6 +37,9 @@
             fGLSLGeneration = GrGetGLSLGeneration(fBindingInUse, interface);
 
             fVendor = GrGLGetVendor(interface);
+
+            fIsMesa = GrGLIsMesaFromVersionString(ver);
+
             fGLCaps->init(*this, interface);
             return true;
         }
@@ -52,6 +56,7 @@
     fGLVersion = GR_GL_VER(0, 0);
     fGLSLGeneration = static_cast<GrGLSLGeneration>(0);
     fVendor = kOther_GrGLVendor;
+    fIsMesa = false;
     fExtensions.reset();
     fGLCaps->reset();
 }