diff options
| author | Eduardo Lima Mitev <[email protected]> | 2015-06-16 20:53:28 +0200 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2015-08-03 09:40:47 -0700 |
| commit | a5a3287f7392356386aa305c791d94b6d5dde6cc (patch) | |
| tree | f75a4950d0be256c7ba8409f5579681ebd4c5d17 /src | |
| parent | 6e58fc56a5a396020cd299db11895120ec3da520 (diff) | |
i965/vec4: Add auxiliary func to build a writemask from a component size
New method brw_writemask_for_size() will return a writemask with the first
'size' components activated.
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_reg.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h index 4867148c12f..31806f769bd 100644 --- a/src/mesa/drivers/dri/i965/brw_reg.h +++ b/src/mesa/drivers/dri/i965/brw_reg.h @@ -950,6 +950,12 @@ brw_set_writemask(struct brw_reg reg, unsigned mask) return reg; } +static inline unsigned +brw_writemask_for_size(unsigned n) +{ + return (1 << n) - 1; +} + static inline struct brw_reg negate(struct brw_reg reg) { |