Bug 702058 - Prefer CGL+FBOs by default on Mac - r=bjacob

content/canvas/test/webgl/failing_tests_mac.txt

@@ -3,8 +3,6 @@ conformance/glsl/misc/glsl-function-nodes.html
 conformance/glsl/misc/glsl-long-variable-names.html
 conformance/glsl/misc/shader-with-256-character-identifier.frag.html
 conformance/glsl/misc/shader-with-long-line.html
-conformance/textures/texture-mips.html
-conformance/textures/texture-npot.html
 conformance/more/conformance/quickCheckAPI-S_V.html
 conformance/more/functions/uniformfBadArgs.html
 conformance/more/functions/uniformiBadArgs.html

gfx/gl/GLContextProviderCGL.mm

@@ -588,7 +588,7 @@ GLContextProviderCGL::CreateOffscreen(const gfxIntSize& aSize,
     nsRefPtr<GLContextCGL> glContext;
     
     NS_ENSURE_TRUE(Preferences::GetRootBranch(), nsnull);
-    const bool preferFBOs = Preferences::GetBool("cgl.prefer-fbo", false);
+    const bool preferFBOs = Preferences::GetBool("cgl.prefer-fbo", true);
     if (!preferFBOs)
     {
         glContext = CreateOffscreenPBufferContext(aSize, actualFormat);