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-rw-r--r--src/gallium/state_trackers/nine/nine_shader.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c
index 268612eea05..4f78f6e933b 100644
--- a/src/gallium/state_trackers/nine/nine_shader.c
+++ b/src/gallium/state_trackers/nine/nine_shader.c
@@ -239,7 +239,7 @@ struct sm1_dst_param
BYTE file;
BYTE mask;
BYTE mod;
- BYTE shift; /* sint4 */
+ int8_t shift; /* sint4 */
BYTE type;
};
@@ -2527,6 +2527,7 @@ 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;
dst->file =
(tok & D3DSP_REGTYPE_MASK) >> D3DSP_REGTYPE_SHIFT |
(tok & D3DSP_REGTYPE_MASK2) >> D3DSP_REGTYPE_SHIFT2;
@@ -2535,7 +2536,8 @@ sm1_parse_dst_param(struct sm1_dst_param *dst, DWORD tok)
dst->rel = NULL;
dst->mask = (tok & NINED3DSP_WRITEMASK_MASK) >> NINED3DSP_WRITEMASK_SHIFT;
dst->mod = (tok & D3DSP_DSTMOD_MASK) >> D3DSP_DSTMOD_SHIFT;
- dst->shift = (tok & D3DSP_DSTSHIFT_MASK) >> D3DSP_DSTSHIFT_SHIFT;
+ shift = (tok & D3DSP_DSTSHIFT_MASK) >> D3DSP_DSTSHIFT_SHIFT;
+ dst->shift = (shift & 0x8) ? -(shift & 0x7) : shift & 0x7;
}
static void