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i965/vs: Fix the mlen of scratch read/write messages.

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These messages always have m0 = g0 and m1 = offset, and write has m2 = data.
Avoids regression in opt_compute_to_mrf() with a change to scratch writes to
set up the data as an MRF write in the IR.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt
2012-10-03 16:15:07 -07:00
parent c226b7a4d3
commit e1a518e2b1
1 changed files with 2 additions and 2 deletions
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src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+2 -2
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@@ -187,7 +187,7 @@ vec4_visitor::SCRATCH_READ(dst_reg dst, src_reg index)
inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_READ,
dst, index);
inst->base_mrf = 14;
inst->mlen = 1;
inst->mlen = 2;
return inst;
}
@@ -200,7 +200,7 @@ vec4_visitor::SCRATCH_WRITE(dst_reg dst, src_reg src, src_reg index)
inst = new(mem_ctx) vec4_instruction(this, VS_OPCODE_SCRATCH_WRITE,
dst, src, index);
inst->base_mrf = 13;
inst->mlen = 2;
inst->mlen = 3;
return inst;
}