diff options
| author | Tom Stellard <tstellar@gmail.com> | 2010-10-29 22:27:04 -0700 |
|---|---|---|
| committer | Tom Stellard <tstellar@gmail.com> | 2010-11-21 18:48:31 -0800 |
| commit | 96f9580160bf769fbdcd005b48c7bf6e92d453f7 (patch) | |
| tree | e6350eea33e1bc40fbb2483c7d8e97cf14295c25 /src/mesa/drivers/dri/r300/compiler/radeon_program_pair.c | |
| parent | 23f577dbd491bd045c47c6378bd23748255eb045 (diff) | |
r300/compiler: Add rc_get_readers()
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; + } +} |