[Mesa-dev] [PATCH 14/20] mesa: Add non-normalized formats support for ubyte packing functions

Iago Toral Quiroga itoral at igalia.com
Tue Nov 18 00:44:02 PST 2014


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

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
---
 src/mesa/main/format_pack.c.mako | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/format_pack.c.mako b/src/mesa/main/format_pack.c.mako
index b9f4656..97adf6e 100644
--- a/src/mesa/main/format_pack.c.mako
+++ b/src/mesa/main/format_pack.c.mako
@@ -84,7 +84,15 @@ pack_ubyte_${f.short_name()}(const GLubyte src[4], void *dst)
       %endif
 
       ${channel_datatype(c)} ${c.name} =
-      %if c.type == parser.UNSIGNED:
+      %if not f.is_normalized():
+         %if c.type == parser.FLOAT and c.size == 32:
+            UBYTE_TO_FLOAT(src[${i}]);
+         %elif c.type == parser.FLOAT and c.size == 16:
+            _mesa_float_to_half(UBYTE_TO_FLOAT(src[${i}]));
+         %else:
+            (${channel_datatype(c)}) src[${i}];
+         %endif
+      %elif c.type == parser.UNSIGNED:
          %if f.colorspace == 'srgb' and c.name in 'rgb':
             util_format_linear_to_srgb_8unorm(src[${i}]);
          %else:
-- 
1.9.1



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