From: Eric Anholt <eric@anholt.net>
Date: Mon, 3 Jan 2011 02:12:29 +0000 (-0800)
Subject: mesa: Also report the number of renderbuffer alpha bits for GL_LUMINANCE_ALPHA.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5f13c39484859393cec11b3aa24e541bea8e220d;p=mesa.git

mesa: Also report the number of renderbuffer alpha bits for GL_LUMINANCE_ALPHA.

Noticed by code inspection.
---

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index f7b77233500..f004d7a8fca 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1190,7 +1190,8 @@ get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
          return 0;
    case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
    case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
-      if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA)
+      if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
+	  baseFormat == GL_LUMINANCE_ALPHA)
          return _mesa_get_format_bits(format, pname);
       else
          return 0;