diff options
-rw-r--r-- | src/gallium/state_trackers/nine/nine_shader.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c index bd695039e33..883743eb39e 100644 --- a/src/gallium/state_trackers/nine/nine_shader.c +++ b/src/gallium/state_trackers/nine/nine_shader.c @@ -842,6 +842,13 @@ tx_src_param(struct shader_translator *tx, const struct sm1_src_param *param) nine_info_mark_const_f_used(tx->info, param->idx); src = ureg_src_register(TGSI_FILE_CONSTANT, param->idx); } + if (!IS_VS && tx->version.major < 2) { + /* ps 1.X clamps constants */ + tmp = tx_scratch(tx); + ureg_MIN(ureg, tmp, src, ureg_imm1f(ureg, 1.0f)); + ureg_MAX(ureg, tmp, ureg_src(tmp), ureg_imm1f(ureg, -1.0f)); + src = ureg_src(tmp); + } break; case D3DSPR_CONST2: case D3DSPR_CONST3: |