diff options
| author | Ben Skeggs <darktama@iinet.net.au> | 2007-01-23 16:25:25 +1100 |
|---|---|---|
| committer | Ben Skeggs <darktama@iinet.net.au> | 2007-01-23 16:25:25 +1100 |
| commit | 60c28739aa4afe543e0293c15a7aaf84ec2183ea (patch) | |
| tree | f64482590056087a57be1480cee86d7710d06314 /src/mesa/drivers/dri/nouveau | |
| parent | cf33bcf0b246f75094673beaa989034fa27c4b9f (diff) | |
nouveau: DPH and CMP for NV40 which doesn't do it natively.
Diffstat (limited to 'src/mesa/drivers/dri/nouveau')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_shader_0.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c b/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c index 3e542ea9c0..28c6ad803b 100644 --- a/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c +++ b/src/mesa/drivers/dri/nouveau/nouveau_shader_0.c @@ -594,6 +594,30 @@ pass0_emulate_instruction(nouveauShader *nvs, ARITH(NVS_OP_MAX, dest, mask, sat, src[0], nvsNegate(src[0]), nvr_unused); break; + case OPCODE_CMP: + /*XXX: this will clobber CC0... */ + ARITH (NVS_OP_MOV, dest, mask, sat, + src[2], nvr_unused, nvr_unused); + pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); + ARITHu(NVS_OP_MOV, temp, SMASK_ALL, 0, + src[0], nvr_unused, nvr_unused); + nvsinst->cond_update = 1; + nvsinst->cond_reg = 0; + ARITH (NVS_OP_MOV, dest, mask, sat, + src[1], nvr_unused, nvr_unused); + nvsinst->cond = COND_LT; + nvsinst->cond_reg = 0; + nvsinst->cond_test = 1; + break; + case OPCODE_DPH: + pass0_make_reg(nvs, &temp, NVS_FILE_TEMP, -1); + ARITHu(NVS_OP_DP3, temp, SMASK_X, 0, + src[0], src[1], nvr_unused); + ARITH (NVS_OP_ADD, dest, mask, sat, + nvsSwizzle(temp, X, X, X, X), + nvsSwizzle(src[1], W, W, W, W), + nvr_unused); + break; case OPCODE_KIL: /* This is only in ARB shaders, so we don't have to worry * about clobbering a CC reg as they aren't supported anyway. |