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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp15
1 files changed, 3 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index f83b859..26a3b9f 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -3334,18 +3334,9 @@ vec4_visitor::emit_scratch_write(bblock_t *block, vec4_instruction *inst,
* weren't initialized, it will confuse live interval analysis, which will
* make spilling fail to make progress.
*/
- src_reg temp = src_reg(this, glsl_type::vec4_type);
- temp.type = inst->dst.type;
- int first_writemask_chan = ffs(inst->dst.writemask) - 1;
- int swizzles[4];
- for (int i = 0; i < 4; i++)
- if (inst->dst.writemask & (1 << i))
- swizzles[i] = i;
- else
- swizzles[i] = first_writemask_chan;
- temp.swizzle = BRW_SWIZZLE4(swizzles[0], swizzles[1],
- swizzles[2], swizzles[3]);
-
+ const src_reg temp = swizzle(retype(src_reg(this, glsl_type::vec4_type),
+ inst->dst.type),
+ brw_swizzle_for_mask(inst->dst.writemask));
dst_reg dst = dst_reg(brw_writemask(brw_vec8_grf(0, 0),
inst->dst.writemask));
vec4_instruction *write = SCRATCH_WRITE(dst, temp, index);