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st/nine: Fix output shift calculation

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We were getting it wrong for negative values.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2016-03-12 12:24:51 +01:00
parent b8d95d4087
commit ca7c78a88e
1 changed files with 2 additions and 2 deletions
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4
src/gallium/state_trackers/nine/nine_shader.c
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@ -3005,7 +3005,7 @@ sm1_parse_get_param(struct shader_translator *tx, DWORD *reg, DWORD *rel)
static void
sm1_parse_dst_param(struct sm1_dst_param *dst, DWORD tok)
{
uint8_t shift;
int8_t shift;
dst->file =
(tok & D3DSP_REGTYPE_MASK) >> D3DSP_REGTYPE_SHIFT |
(tok & D3DSP_REGTYPE_MASK2) >> D3DSP_REGTYPE_SHIFT2;
@ -3015,7 +3015,7 @@ sm1_parse_dst_param(struct sm1_dst_param *dst, DWORD tok)
dst->mask = (tok & NINED3DSP_WRITEMASK_MASK) >> NINED3DSP_WRITEMASK_SHIFT;
dst->mod = (tok & D3DSP_DSTMOD_MASK) >> D3DSP_DSTMOD_SHIFT;
shift = (tok & D3DSP_DSTSHIFT_MASK) >> D3DSP_DSTSHIFT_SHIFT;
dst->shift = (shift & 0x8) ? -(shift & 0x7) : shift & 0x7;
dst->shift = (shift & 0x7) - (shift & 0x8);
}
static void