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st/nine: Fix support for ps 1.4 dw and dz modifiers

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RCP was used incorrectly to support NINED3DSPSM_DW and
NINED3DSPSM_DZ. src.x was used as input instead of src.w
or src.z.

Fixes: https://github.com/iXit/Mesa-3D/issues/271

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
This commit is contained in:
Axel Davy 2017-03-26 22:57:15 +02:00
parent d8ffe4d0ce
commit 442780ea37
1 changed files with 2 additions and 2 deletions
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4
src/gallium/state_trackers/nine/nine_shader.c
View file

@ -1116,14 +1116,14 @@ tx_src_param(struct shader_translator *tx, const struct sm1_src_param *param)
case NINED3DSPSM_DW:
tmp = tx_scratch(tx);
/* NOTE: app is not allowed to read w with this modifier */
ureg_RCP(ureg, ureg_writemask(tmp, NINED3DSP_WRITEMASK_3), src);
ureg_RCP(ureg, ureg_writemask(tmp, NINED3DSP_WRITEMASK_3), ureg_scalar(src, TGSI_SWIZZLE_W));
ureg_MUL(ureg, tmp, src, ureg_swizzle(ureg_src(tmp), NINE_SWIZZLE4(W,W,W,W)));
src = ureg_src(tmp);
break;
case NINED3DSPSM_DZ:
tmp = tx_scratch(tx);
/* NOTE: app is not allowed to read z with this modifier */
ureg_RCP(ureg, ureg_writemask(tmp, NINED3DSP_WRITEMASK_2), src);
ureg_RCP(ureg, ureg_writemask(tmp, NINED3DSP_WRITEMASK_2), ureg_scalar(src, TGSI_SWIZZLE_Z));
ureg_MUL(ureg, tmp, src, ureg_swizzle(ureg_src(tmp), NINE_SWIZZLE4(Z,Z,Z,Z)));
src = ureg_src(tmp);
break;