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-rw-r--r--src/gallium/drivers/nv50/nv50_program.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 2241801542..40d2384c3e 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -250,7 +250,13 @@ alloc_immd(struct nv50_pc *pc, float f)
struct nv50_reg *r = CALLOC_STRUCT(nv50_reg);
unsigned hw;
- hw = ctor_immd(pc, f, 0, 0, 0) * 4;
+ for (hw = 0; hw < pc->immd_nr * 4; hw++)
+ if (pc->immd_buf[hw] == f)
+ break;
+
+ if (hw == pc->immd_nr * 4)
+ hw = ctor_immd(pc, f, -f, 0.5 * f, 0) * 4;
+
r->type = P_IMMD;
r->hw = hw;
r->index = -1;