diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c index a21fe8d3df..582d73b61f 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c @@ -27,6 +27,7 @@ #include "radeon_program_pair.h" +#include <stdlib.h> /** * Return the source slot where we installed the given register access, @@ -225,3 +226,18 @@ unsigned int rc_source_type_that_arg_reads( } return ret; } + +struct rc_pair_instruction_source * rc_pair_get_src( + struct rc_pair_instruction * pair_inst, + struct rc_pair_instruction_arg * arg) +{ + unsigned int type = rc_source_type_that_arg_reads(arg->Source, + arg->Swizzle); + if (type & RC_PAIR_SOURCE_RGB) { + return &pair_inst->RGB.Src[arg->Source]; + } else if (type & RC_PAIR_SOURCE_ALPHA) { + return &pair_inst->Alpha.Src[arg->Source]; + } else { + return NULL; + } +} |