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nvfx: improve fp temp accounting

This commit is contained in:
Luca Barbieri 2010-08-23 20:27:40 +02:00
parent 4b2b5f8e30
commit 4ab1001ac2
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/nvfx/nvfx_fragprog.c
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@ -21,6 +21,7 @@ struct nvfx_fpc {
struct nvfx_pipe_fragment_program* pfp;
struct nvfx_fragment_program *fp;
unsigned max_temps;
unsigned long long r_temps;
unsigned long long r_temps_discard;
struct nvfx_reg r_result[PIPE_MAX_SHADER_OUTPUTS];
@ -51,9 +52,9 @@ struct nvfx_fpc {
static INLINE struct nvfx_reg
temp(struct nvfx_fpc *fpc)
{
int idx = ffsll(~fpc->r_temps) - 1;
int idx = __builtin_ctzll(~fpc->r_temps);
if (idx < 0) {
if (idx >= fpc->max_temps) {
NOUVEAU_ERR("out of temps!!\n");
assert(0);
return nvfx_reg(NVFXSR_TEMP, 0);
@ -1022,6 +1023,7 @@ nvfx_fragprog_translate(struct nvfx_context *nvfx,
if (!fpc)
goto out_err;
fpc->max_temps = nvfx->is_nv4x ? 48 : 32;
fpc->pfp = pfp;
fpc->fp = fp;
fpc->num_regs = 2;