Before, if we encountered an array format of 0 on a BE system, we would
flip all the channels even though it's an invalid format. This would
result in a mostly invalid format with a swizzle of yyyy or wwww. Instead,
we should just return 0 if the array format stashed in the format info is
invalid.
---
src/mesa/main/formats.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index 27590ed..d7b2bae 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -380,7 +380,8 @@ uint32_t
_mesa_format_to_array_format(mesa_format format)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
- if (!_mesa_little_endian() && info->Layout == MESA_FORMAT_LAYOUT_PACKED)
+ if (info->ArrayFormat && !_mesa_little_endian() &&
+ info->Layout == MESA_FORMAT_LAYOUT_PACKED)
return _mesa_array_format_flip_channels(info->ArrayFormat);
else
return info->ArrayFormat;
--
2.4.3
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