diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_format.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index e8fa0022b5..c08fdcafcc 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -120,9 +120,15 @@ struct util_format_channel_description struct util_format_description { enum pipe_format format; + const char *name; /** + * Short name, striped of the prefix, lower case. + */ + const char *short_name; + + /** * Pixel block dimensions. */ struct util_format_block block; @@ -140,6 +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; @@ -400,6 +415,16 @@ util_format_has_alpha(enum pipe_format format) } } +/** + * Return the number of components stored. + * Formats with block size != 1x1 will always have 1 component (the block). + */ +static INLINE unsigned +util_format_get_nr_components(enum pipe_format format) +{ + const struct util_format_description *desc = util_format_description(format); + return desc->nr_channels; +} /* * Format access functions. |