diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h index f0a77d7b53..a4d50d3663 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h @@ -191,6 +191,20 @@ static inline unsigned int combine_swizzles(unsigned int src, unsigned int swz) return ret; } +/** + * @param mask Must be either RC_MASK_X, RC_MASK_Y, RC_MASK_Z, or RC_MASK_W + */ +static inline rc_swizzle rc_mask_to_swz(unsigned int mask) +{ + switch (mask) { + case RC_MASK_X: return RC_SWIZZLE_X; + case RC_MASK_Y: return RC_SWIZZLE_Y; + case RC_MASK_Z: return RC_SWIZZLE_Z; + case RC_MASK_W: return RC_SWIZZLE_W; + default: assert(0); + } + return RC_SWIZZLE_UNUSED; +} struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg); static inline void reset_srcreg(struct rc_src_register* reg) @@ -233,4 +247,5 @@ unsigned int rc_recompute_ips(struct radeon_compiler * c); void rc_print_program(const struct rc_program *prog); +rc_swizzle rc_mask_to_swizzle(unsigned int mask); #endif |