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util/u_format: Tighten the meaning of is_array bit to exclude mixed type formats. 

This is what we want in practice.

The only change is in PIPE_FORMAT_R8SG8SB8UX8U_NORM, which no longer is
considered an array format.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
José Fonseca 2012-11-28 19:18:09 +00:00
parent 64e9ec634b
commit a47674ee89
2 changed files with 11 additions and 2 deletions
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2
src/gallium/auxiliary/util/u_format.h
View File

@ -156,7 +156,7 @@ struct util_format_description
unsigned nr_channels:3;
/**
* Whether all channels have the same number of (whole) bytes.
* Whether all channels have the same number of (whole) bytes and type.
*/
unsigned is_array:1;

11
src/gallium/auxiliary/util/u_format_parse.py
View File

@ -144,9 +144,18 @@ class Format:
if self.layout != PLAIN:
return False
ref_channel = self.channels[0]
for channel in self.channels[1:]:
if ref_channel.type == VOID:
ref_channel = self.channels[1]
for channel in self.channels:
if channel.size and (channel.size != ref_channel.size or channel.size % 8):
return False
if channel.type != VOID:
if channel.type != ref_channel.type:
return False
if channel.norm != ref_channel.norm:
return False
if channel.pure != ref_channel.pure:
return False
return True
def is_mixed(self):