diff options
| author | Michal Krol <[email protected]> | 2009-03-11 12:10:16 +0100 |
|---|---|---|
| committer | Michal Krol <[email protected]> | 2009-03-11 12:11:50 +0100 |
| commit | ae7ae570ef9f61073a2c0e4b77fc23094767f74c (patch) | |
| tree | 61c2fd7874953ea252ee5ed40d52b0727e75717d /src/gallium/auxiliary | |
| parent | 94cf8ea3b69038a1245c0b4546dbd8e4a32725f5 (diff) | |
tgsi: Implement RCC opcode.
Diffstat (limited to 'src/gallium/auxiliary')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 1ec10883892..d9dc217e52b 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -486,6 +486,32 @@ micro_f2ut( #endif static void +micro_float_clamp(union tgsi_exec_channel *dst, + const union tgsi_exec_channel *src) +{ + uint i; + + for (i = 0; i < 4; i++) { + if (src->f[i] > 0.0f) { + if (src->f[i] > 1.884467e+019f) + dst->f[i] = 1.884467e+019f; + else if (src->f[i] < 5.42101e-020f) + dst->f[i] = 5.42101e-020f; + else + dst->f[i] = src->f[i]; + } + else { + if (src->f[i] < -1.884467e+019f) + dst->f[i] = -1.884467e+019f; + else if (src->f[i] > -5.42101e-020f) + dst->f[i] = -5.42101e-020f; + else + dst->f[i] = src->f[i]; + } + } +} + +static void micro_flr( union tgsi_exec_channel *dst, const union tgsi_exec_channel *src ) @@ -2279,7 +2305,12 @@ exec_instruction( break; case TGSI_OPCODE_RCC: - assert (0); + FETCH(&r[0], 0, CHAN_X); + micro_div(&r[0], &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], &r[0]); + micro_float_clamp(&r[0], &r[0]); + FOR_EACH_ENABLED_CHANNEL(*inst, chan_index) { + STORE(&r[0], 0, chan_index); + } break; case TGSI_OPCODE_DPH: |