diff options
| author | Luca Barbieri <[email protected]> | 2010-08-23 20:27:40 +0200 |
|---|---|---|
| committer | Luca Barbieri <[email protected]> | 2010-08-23 20:35:56 +0200 |
| commit | 4ab1001ac28b5716e1b103df44d04b8a8ddd2375 (patch) | |
| tree | 711ecf243c21c343f8233d63b039023f03ba5b11 /src/gallium/drivers/nvfx/nvfx_fragprog.c | |
| parent | 4b2b5f8e30347ce0a1818524f8825335d47eb5ca (diff) | |
nvfx: improve fp temp accounting
Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_fragprog.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nvfx_fragprog.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_fragprog.c b/src/gallium/drivers/nvfx/nvfx_fragprog.c index 7caddfab707..7f6b3f6599e 100644 --- a/src/gallium/drivers/nvfx/nvfx_fragprog.c +++ b/src/gallium/drivers/nvfx/nvfx_fragprog.c @@ -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; |