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st/nine: Fix specular w coordinate 

Found looking at Wine formulas.
Fixes a few visual issues.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2016-09-25 21:20:23 +02:00
parent 732cea09cd
commit 71e7292a85
1 changed files with 2 additions and 4 deletions
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6
src/gallium/state_trackers/nine/nine_ff.c
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@ -787,7 +787,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
/* Light.*.Alpha is not used. */
struct ureg_dst rD = ureg_writemask(ureg_DECL_temporary(ureg), TGSI_WRITEMASK_XYZ);
struct ureg_dst rA = ureg_writemask(ureg_DECL_temporary(ureg), TGSI_WRITEMASK_XYZ);
struct ureg_dst rS = ureg_writemask(ureg_DECL_temporary(ureg), TGSI_WRITEMASK_XYZ);
struct ureg_dst rS = ureg_DECL_temporary(ureg);
struct ureg_src mtlP = _XXXX(MATERIAL_CONST(4));
@ -915,10 +915,8 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
/* Set alpha factors of illumination to 1.0 for the multiplications. */
rD.WriteMask = TGSI_WRITEMASK_W; rD.Saturate = 0;
rS.WriteMask = TGSI_WRITEMASK_W; rS.Saturate = 0;
rA.WriteMask = TGSI_WRITEMASK_W; rA.Saturate = 0;
ureg_MOV(ureg, rD, ureg_imm1f(ureg, 1.0f));
ureg_MOV(ureg, rS, ureg_imm1f(ureg, 1.0f));
/* Apply to material:
*
@ -959,7 +957,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
ureg_ADD(ureg, ureg_writemask(oCol[0], TGSI_WRITEMASK_W), vs->mtlD, _W(tmp));
ureg_release_temporary(ureg, tmp);
}
ureg_MUL(ureg, oCol[1], ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f), vs->mtlS);
ureg_MOV(ureg, oCol[1], ureg_imm1f(ureg, 0.0f));
} else {
ureg_MOV(ureg, oCol[0], vs->aCol[0]);
ureg_MOV(ureg, oCol[1], vs->aCol[1]);