From 69f16accd0aa3b8d414092a5e52ccc99649da01a Mon Sep 17 00:00:00 2001
From: Marek Olšák <maraeo@gmail.com>
Date: Mon, 7 Mar 2011 02:18:49 +0100
Subject: mesa: add ATI_texture_compression_3dc

LUMINANCE_ALPHA_LATC2 = LUMINANCE_ALPHA_3DC, so this is easy.

Note that there is no specification for 3DC, just a few white papers
from ATI.
---
 src/mesa/main/teximage.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/mesa/main/teximage.c')

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 6ec66100e7..2a3037f618 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -522,6 +522,15 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
       }
    }
 
+   if (ctx->Extensions.ATI_texture_compression_3dc) {
+      switch (internalFormat) {
+      case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+         return GL_LUMINANCE_ALPHA;
+      default:
+         ; /* fallthrough */
+      }
+   }
+
    return -1; /* error */
 }
 
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