case ir_intrinsic_vote_eq:
op = nir_intrinsic_vote_eq;
break;
+ case ir_intrinsic_ballot:
+ op = nir_intrinsic_ballot;
+ break;
+ case ir_intrinsic_read_invocation:
+ op = nir_intrinsic_read_invocation;
+ break;
+ case ir_intrinsic_read_first_invocation:
+ op = nir_intrinsic_read_first_invocation;
+ break;
default:
unreachable("not reached");
}
nir_builder_instr_insert(&b, &instr->instr);
break;
}
+
+ case nir_intrinsic_ballot: {
+ nir_ssa_dest_init(&instr->instr, &instr->dest,
+ ir->return_deref->type->vector_elements, 64, NULL);
+
+ ir_rvalue *value = (ir_rvalue *) ir->actual_parameters.get_head();
+ instr->src[0] = nir_src_for_ssa(evaluate_rvalue(value));
+
+ nir_builder_instr_insert(&b, &instr->instr);
+ break;
+ }
+ case nir_intrinsic_read_invocation: {
+ nir_ssa_dest_init(&instr->instr, &instr->dest,
+ ir->return_deref->type->vector_elements, 32, NULL);
+ instr->num_components = ir->return_deref->type->vector_elements;
+
+ ir_rvalue *value = (ir_rvalue *) ir->actual_parameters.get_head();
+ instr->src[0] = nir_src_for_ssa(evaluate_rvalue(value));
+
+ ir_rvalue *invocation = (ir_rvalue *) ir->actual_parameters.get_head()->next;
+ instr->src[1] = nir_src_for_ssa(evaluate_rvalue(invocation));
+
+ nir_builder_instr_insert(&b, &instr->instr);
+ break;
+ }
+ case nir_intrinsic_read_first_invocation: {
+ nir_ssa_dest_init(&instr->instr, &instr->dest,
+ ir->return_deref->type->vector_elements, 32, NULL);
+ instr->num_components = ir->return_deref->type->vector_elements;
+
+ ir_rvalue *value = (ir_rvalue *) ir->actual_parameters.get_head();
+ instr->src[0] = nir_src_for_ssa(evaluate_rvalue(value));
+
+ nir_builder_instr_insert(&b, &instr->instr);
+ break;
+ }
default:
unreachable("not reached");
}
INTRINSIC(shader_clock, 0, ARR(0), true, 2, 0, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
/*
+ * Shader ballot intrinsics with semantics analogous to the
+ *
+ * ballotARB()
+ * readInvocationARB()
+ * readFirstInvocationARB()
+ *
+ * GLSL functions from ARB_shader_ballot.
+ */
+INTRINSIC(ballot, 1, ARR(1), true, 1, 0, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+INTRINSIC(read_invocation, 2, ARR(0, 1), true, 0, 0, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+INTRINSIC(read_first_invocation, 1, ARR(0), true, 0, 0, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+
+/*
* Memory barrier with semantics analogous to the compute shader
* groupMemoryBarrier(), memoryBarrierAtomicCounter(), memoryBarrierBuffer(),
* memoryBarrierImage() and memoryBarrierShared() GLSL intrinsics.