diff options
| -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: |