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i965: ff sync message change for sandybridge

This commit is contained in:
Zhenyu Wang 2010-09-17 14:23:48 +08:00
parent fa589770e8
commit 67dafa4b56
1 changed files with 16 additions and 2 deletions
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18
src/mesa/drivers/dri/i965/brw_eu_emit.c
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@ -1744,13 +1744,27 @@ void brw_ff_sync(struct brw_compile *p,
GLuint response_length,
GLboolean eot)
{
struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND);
struct intel_context *intel = &p->brw->intel;
struct brw_instruction *insn;
/* Sandybridge doesn't have the implied move for SENDs,
* and the first message register index comes from src0.
*/
if (intel->gen >= 6) {
brw_push_insn_state(p);
brw_set_mask_control( p, BRW_MASK_DISABLE );
brw_MOV(p, brw_message_reg(msg_reg_nr), src0);
brw_pop_insn_state(p);
src0 = brw_message_reg(msg_reg_nr);
}
insn = next_insn(p, BRW_OPCODE_SEND);
brw_set_dest(insn, dest);
brw_set_src0(insn, src0);
brw_set_src1(insn, brw_imm_d(0));
insn->header.destreg__conditionalmod = msg_reg_nr;
if (intel->gen < 6)
insn->header.destreg__conditionalmod = msg_reg_nr;
brw_set_ff_sync_message(p->brw,
insn,