[Mesa-dev] [PATCH 04/12] mesa/format_info: Add support for the BPTC layout

[Neil Roberts]

Adds the ‘bptc’ layout to get_channel_bits. The channel bits for BPTC depend
on the mode but as it only has to be an approximation we can set it to 4 like
for S3TC.
---
 src/mesa/main/format_info.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/main/format_info.py b/src/mesa/main/format_info.py
index a0eecd3..fc40dc4 100644
--- a/src/mesa/main/format_info.py
+++ b/src/mesa/main/format_info.py
@@ -110,7 +110,7 @@ def get_channel_bits(fmat, chan_name):
    if fmat.is_compressed():
       # These values are pretty-much bogus, but OpenGL requires that we
       # return an "approximate" number of bits.
-      if fmat.layout == 's3tc':
+      if fmat.layout in ('s3tc', 'bptc'):
          return 4 if fmat.has_channel(chan_name) else 0
       elif fmat.layout == 'fxt1':
          if chan_name in 'rgb':
-- 
1.9.3