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i965: Don't write mrf assignment for pointsize output

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https://bugs.freedesktop.org/show_bug.cgi?id=31894
(cherry picked from commit a889f9ee5c)
This commit is contained in:
Kristian Høgsberg 2010-11-24 10:12:20 -05:00 • committed by Ian Romanick
parent ce8f4f266e
commit 6b96b002c8
1 changed files with 2 additions and 1 deletions
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3
src/mesa/drivers/dri/i965/brw_vs_emit.c
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@ -272,7 +272,6 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c )
else if (i == VERT_RESULT_PSIZ) {
c->regs[PROGRAM_OUTPUT][i] = brw_vec8_grf(reg, 0);
reg++;
mrf++; /* just a placeholder? XXX fix later stages & remove this */
}
else {
/* Two restrictions on our compute-to-MRF here. The
@ -1488,6 +1487,8 @@ static void emit_vertex_write( struct brw_vs_compile *c)
break;
if (!(c->prog_data.outputs_written & BITFIELD64_BIT(i)))
continue;
if (i == VERT_RESULT_PSIZ)
continue;
if (i >= VERT_RESULT_TEX0 &&
c->regs[PROGRAM_OUTPUT][i].file == BRW_GENERAL_REGISTER_FILE) {