diff options
| author | Roland Scheidegger <sroland@vmware.com> | 2010-03-09 15:59:40 +0100 |
|---|---|---|
| committer | Roland Scheidegger <sroland@vmware.com> | 2010-03-09 15:59:40 +0100 |
| commit | 685340a53e1dcb2a888e634ee71ba24356befe69 (patch) | |
| tree | d6aa301eb5370eac6fcb3186d26a551c37b3c3a2 /src/gallium/auxiliary/util/u_format.h | |
| parent | e497a58fad878d913a1795b239ddd05870988c58 (diff) | |
| parent | ae7b7bf1edcf6c492b4dcc162bca28a0090f601e (diff) | |
Merge branch 'gallium-vertexelementcso'
Conflicts:
src/gallium/auxiliary/cso_cache/cso_context.c
src/gallium/auxiliary/util/u_blit.c
src/gallium/auxiliary/util/u_gen_mipmap.c
src/gallium/drivers/i915/i915_context.h
src/gallium/drivers/i965/brw_draw_upload.c
src/gallium/drivers/r300/r300_blit.c
src/gallium/drivers/r300/r300_context.h
src/gallium/drivers/r300/r300_render.c
src/gallium/drivers/r300/r300_state_derived.c
src/mesa/state_tracker/st_cb_bitmap.c
src/mesa/state_tracker/st_cb_clear.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_format.h')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h index b2aa5bfb18..20fdaca007 100644 --- a/src/gallium/auxiliary/util/u_format.h +++ b/src/gallium/auxiliary/util/u_format.h @@ -415,6 +415,23 @@ 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); + unsigned chan; + unsigned nr_comp = 0; + for (chan = 0; chan < 4; chan++) { + if (desc->channel[chan].size != 0) { + nr_comp++; + } + } + return nr_comp; +} /* * Format access functions. |