From 018407b5d8ce894815f940480c52e9791beb9e97 Mon Sep 17 00:00:00 2001 From: Axel Davy Date: Wed, 24 Dec 2014 09:58:49 +0100 Subject: st/nine: Clamp ps 1.X constants This is wine (and windows) behaviour. Reviewed-by: Ilia Mirkin Signed-off-by: Axel Davy Cc: "10.4" --- src/gallium/state_trackers/nine/nine_shader.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src') 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: -- cgit v1.2.3