diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ureg.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_ureg.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c index 61cd3bf407..5526a5d034 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c +++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c @@ -72,6 +72,7 @@ struct ureg_tokens { #define UREG_MAX_IMMEDIATE 32 #define UREG_MAX_TEMP 256 #define UREG_MAX_ADDR 2 +#define UREG_MAX_LOOP 1 #define UREG_MAX_PRED 1 #define DOMAIN_DECL 0 @@ -117,6 +118,7 @@ struct ureg_program unsigned nr_addrs; unsigned nr_preds; + unsigned nr_loops; unsigned nr_instructions; struct ureg_tokens domain[2]; @@ -417,6 +419,19 @@ struct ureg_dst ureg_DECL_address( struct ureg_program *ureg ) return ureg_dst_register( TGSI_FILE_ADDRESS, 0 ); } +/* Allocate a new loop register. + */ +struct ureg_dst +ureg_DECL_loop(struct ureg_program *ureg) +{ + if (ureg->nr_loops < UREG_MAX_LOOP) { + return ureg_dst_register(TGSI_FILE_LOOP, ureg->nr_loops++); + } + + assert(0); + return ureg_dst_register(TGSI_FILE_LOOP, 0); +} + /* Allocate a new predicate register. */ struct ureg_dst @@ -1015,6 +1030,13 @@ static void emit_decls( struct ureg_program *ureg ) 0, ureg->nr_addrs ); } + if (ureg->nr_loops) { + emit_decl_range(ureg, + TGSI_FILE_LOOP, + 0, + ureg->nr_loops); + } + if (ureg->nr_preds) { emit_decl_range(ureg, TGSI_FILE_PREDICATE, |