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i965/vs: Add support for if(any(bvec)) on gen6.

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This commit is contained in:
Eric Anholt
2011-08-10 14:13:23 -07:00
parent 072d64121e
commit 193a9a209d
1 changed files with 8 additions and 4 deletions
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12
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
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@@ -564,10 +564,6 @@ vec4_visitor::emit_if_gen6(ir_if *ir)
assert(expr->get_num_operands() <= 2);
for (unsigned int i = 0; i < expr->get_num_operands(); i++) {
assert(expr->operands[i]->type->is_scalar() ||
expr->operation == ir_binop_any_nequal ||
expr->operation == ir_binop_all_equal);
expr->operands[i]->accept(this);
op[i] = this->result;
}
@@ -634,6 +630,14 @@ vec4_visitor::emit_if_gen6(ir_if *ir)
inst->predicate = BRW_PREDICATE_ALIGN16_ANY4H;
return;
case ir_unop_any:
inst = emit(BRW_OPCODE_CMP, dst_null_d(), op[0], src_reg(0));
inst->conditional_mod = BRW_CONDITIONAL_NZ;
inst = emit(BRW_OPCODE_IF);
inst->predicate = BRW_PREDICATE_ALIGN16_ANY4H;
return;
default:
assert(!"not reached");
inst = emit(BRW_OPCODE_IF, dst_null_d(), op[0], src_reg(0));