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r600/cayman: looks like cmpxchg moved to Z

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On cayman it appears the cmp component is now in Z.

Fixes:
arb_shader_image_load_store-dead-fragments on cayman.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-11-27 06:39:49 +00:00
parent 4f3e73516c
commit c758fd05d8
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/r600/r600_shader.c
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@ -8083,9 +8083,12 @@ static int tgsi_atomic_op_rat(struct r600_shader_ctx *ctx)
return r;
memset(&alu, 0, sizeof(struct r600_bytecode_alu));
alu.op = ALU_OP1_MOV;
alu.op = ALU_OP1_MOV;
alu.dst.sel = ctx->thread_id_gpr;
alu.dst.chan = 3;
if (ctx->bc->chip_class == CAYMAN)
alu.dst.chan = 2;
else
alu.dst.chan = 3;
alu.dst.write = 1;
r600_bytecode_src(&alu.src[0], &ctx->src[2], 0);
alu.last = 1;