[Mesa-dev] [PATCH v3 17/24] mesa: Add non-normalized formats support for ubyte packing functions

[Iago Toral Quiroga]

From: Samuel Iglesias Gonsalvez <siglesias at igalia.com>

v2:
- Add clamping for non-normalized integer formats in pack_ubyte*()

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
---
 src/mesa/main/format_pack.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/format_pack.py b/src/mesa/main/format_pack.py
index a65a614..afb5011 100644
--- a/src/mesa/main/format_pack.py
+++ b/src/mesa/main/format_pack.py
@@ -88,7 +88,13 @@ pack_ubyte_${f.short_name()}(const GLubyte src[4], void *dst)
       %endif
 
       ${c.datatype()} ${c.name} =
-      %if c.type == parser.UNSIGNED:
+      %if not f.is_normalized() and f.is_int():
+          %if c.type == parser.SIGNED:
+              _mesa_unsigned_to_signed(src[${i}], ${c.size});
+          %else:
+              _mesa_unsigned_to_unsigned(src[${i}], ${c.size});
+          %endif
+      %elif c.type == parser.UNSIGNED:
          %if f.colorspace == 'srgb' and c.name in 'rgb':
             util_format_linear_to_srgb_8unorm(src[${i}]);
          %else:
-- 
1.9.1