diff options
| author | Tom Stellard <tstellar@gmail.com> | 2010-08-05 10:19:00 -0700 |
|---|---|---|
| committer | Tom Stellard <tstellar@gmail.com> | 2010-08-10 13:17:25 -0700 |
| commit | c298bab60ea63882f34825a35cbc60f662783e64 (patch) | |
| tree | 2a579f6da8146bd34fd9e5ec9090c76604d46dbb /src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c | |
| parent | 5c7b7da798b47126d9cc887b0df4b2c24ad9176b (diff) | |
r300/compiler: Implement hardware assisted loops for vertex shaders.
Single loops work, but nested loops do not.
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c index 2a3306f906..32d4b45dd6 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_loops.c @@ -423,7 +423,8 @@ static int build_loop_info(struct radeon_compiler * c, struct loop_info * loop, * @param inst A pointer to a BGNLOOP instruction. * @return 1 for success, 0 for failure */ -int transform_loop(struct emulate_loop_state * s, struct rc_instruction * inst) +static int transform_loop(struct emulate_loop_state * s, + struct rc_instruction * inst) { struct loop_info * loop; @@ -435,7 +436,7 @@ int transform_loop(struct emulate_loop_state * s, struct rc_instruction * inst) if (!build_loop_info(s->C, loop, inst)) return 0; - if(try_unroll_loop(s->C, loop, -1)){ + if(try_unroll_loop(s->C, loop, s->prog_inst_limit)){ return 1; } @@ -472,12 +473,13 @@ int transform_loop(struct emulate_loop_state * s, struct rc_instruction * inst) } void rc_transform_loops(struct radeon_compiler *c, - struct emulate_loop_state * s) + struct emulate_loop_state * s, int prog_inst_limit) { struct rc_instruction * ptr; memset(s, 0, sizeof(struct emulate_loop_state)); s->C = c; + s->prog_inst_limit = prog_inst_limit; for(ptr = s->C->Program.Instructions.Next; ptr != &s->C->Program.Instructions; ptr = ptr->Next) { if(ptr->Type == RC_INSTRUCTION_NORMAL && |