diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_format.h | 9 | ||||
| -rwxr-xr-x | src/gallium/auxiliary/util/u_format_parse.py | 8 | ||||
| -rwxr-xr-x | src/gallium/auxiliary/util/u_format_table.py | 2 |
3 files changed, 12 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index ec6b0777349..b2aa5bfb188 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -146,6 +146,15 @@ struct util_format_description unsigned is_array:1; /** + * Whether the pixel format can be described as a bitfield structure. + * + * In particular: + * - pixel depth must be 8, 16, or 32 bits; + * - all channels must be unsigned, signed, or void + */ + unsigned is_bitmask:1; + + /** * Whether channels have mixed types (ignoring UTIL_FORMAT_TYPE_VOID). */ unsigned is_mixed:1; diff --git a/src/gallium/auxiliary/util/u_format_parse.py b/src/gallium/auxiliary/util/u_format_parse.py index 250926418ec..80bae6fc955 100755 --- a/src/gallium/auxiliary/util/u_format_parse.py +++ b/src/gallium/auxiliary/util/u_format_parse.py @@ -166,17 +166,11 @@ class Format: return True def is_bitmask(self): - if self.block_size() > 32: - return False - if not self.is_pot(): + if self.block_size() not in (8, 16, 32): return False for channel in self.channels: - if not is_pot(channel.size): - return True if channel.type not in (VOID, UNSIGNED, SIGNED): return False - if channel.size >= 32: - return False return True def inv_swizzles(self): diff --git a/src/gallium/auxiliary/util/u_format_table.py b/src/gallium/auxiliary/util/u_format_table.py index f9d21ed8aa1..fb68852a530 100755 --- a/src/gallium/auxiliary/util/u_format_table.py +++ b/src/gallium/auxiliary/util/u_format_table.py @@ -96,6 +96,7 @@ def write_format_table(formats): print " 0," print " 0," print " 0," + print " 0," print " {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}}," print " {0, 0, 0, 0}," print " 0" @@ -111,6 +112,7 @@ def write_format_table(formats): print " %s," % (layout_map(format.layout),) print " %u,\t/* nr_channels */" % (format.nr_channels(),) print " %s,\t/* is_array */" % (bool_map(format.is_array()),) + print " %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),) print " %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),) print " {" for i in range(4): |