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

Noticed by code inspection.
2011-01-02 18:12:29 -08:00
parent f45aea0ec9
commit 5f13c39484
1 changed files with 2 additions and 1 deletions
--- 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;