virtual ir_visitor_status visit(ir_dereference_variable *ir);
virtual ir_visitor_status visit(ir_if *ir);
+ virtual ir_visitor_status visit_leave(ir_loop *ir);
virtual ir_visitor_status visit_enter(ir_function *ir);
virtual ir_visitor_status visit_leave(ir_function *ir);
virtual ir_visitor_status visit_enter(ir_function_signature *ir);
virtual ir_visitor_status visit_leave(ir_expression *ir);
+ virtual ir_visitor_status visit_leave(ir_swizzle *ir);
virtual ir_visitor_status visit_enter(ir_assignment *ir);
}
+ir_visitor_status
+ir_validate::visit_leave(ir_loop *ir)
+{
+ if (ir->counter != NULL) {
+ if ((ir->from == NULL) || (ir->from == NULL) || (ir->increment == NULL)) {
+ printf("ir_loop has invalid loop controls:\n"
+ " counter: %p\n"
+ " from: %p\n"
+ " to: %p\n"
+ " increment: %p\n",
+ (void *) ir->counter, (void *) ir->from, (void *) ir->to,
+ (void *) ir->increment);
+ abort();
+ }
+
+ if ((ir->cmp < ir_binop_less) || (ir->cmp > ir_binop_nequal)) {
+ printf("ir_loop has invalid comparitor %d\n", ir->cmp);
+ abort();
+ }
+ } else {
+ if ((ir->from != NULL) || (ir->from != NULL) || (ir->increment != NULL)) {
+ printf("ir_loop has invalid loop controls:\n"
+ " counter: %p\n"
+ " from: %p\n"
+ " to: %p\n"
+ " increment: %p\n",
+ (void *) ir->counter, (void *) ir->from, (void *) ir->to,
+ (void *) ir->increment);
+ abort();
+ }
+ }
+
+ return visit_continue;
+}
+
+
ir_visitor_status
ir_validate::visit_enter(ir_function *ir)
{
assert(ir->operands[0]->type == ir->type);
break;
+ case ir_unop_noise:
+ /* XXX what can we assert here? */
+ break;
+
case ir_binop_add:
case ir_binop_sub:
case ir_binop_mul:
assert(ir->operands[0]->type == ir->type);
}
break;
+
case ir_binop_less:
case ir_binop_greater:
case ir_binop_lequal:
case ir_binop_gequal:
- /* GLSL < > <= >= operators take scalar floats/ints, but in the
- * IR we may want to do them for vectors instead to support the
- * lessEqual() and friends builtins.
+ case ir_binop_equal:
+ case ir_binop_nequal:
+ /* The semantics of the IR operators differ from the GLSL <, >, <=, >=,
+ * ==, and != operators. The IR operators perform a component-wise
+ * comparison on scalar or vector types and return a boolean scalar or
+ * vector type of the same size.
*/
- assert(ir->type == glsl_type::bool_type);
+ assert(ir->type->base_type == GLSL_TYPE_BOOL);
assert(ir->operands[0]->type == ir->operands[1]->type);
+ assert(ir->operands[0]->type->is_vector()
+ || ir->operands[0]->type->is_scalar());
+ assert(ir->operands[0]->type->vector_elements
+ == ir->type->vector_elements);
break;
- case ir_binop_equal:
- case ir_binop_nequal:
- /* GLSL == and != operate on vectors and return a bool, and the
- * IR matches that. We may want to switch up the IR to work on
- * vectors and return a bvec and make the operators break down
- * to ANDing/ORing the results of the vector comparison.
+ case ir_binop_all_equal:
+ case ir_binop_any_nequal:
+ /* GLSL == and != operate on scalars, vectors, matrices and arrays, and
+ * return a scalar boolean. The IR matches that.
*/
assert(ir->type == glsl_type::bool_type);
assert(ir->operands[0]->type == ir->operands[1]->type);
case ir_binop_lshift:
case ir_binop_rshift:
+ assert(ir->operands[0]->type->is_integer() &&
+ ir->operands[1]->type->is_integer());
+ if (ir->operands[0]->type->is_scalar()) {
+ assert(ir->operands[1]->type->is_scalar());
+ }
+ if (ir->operands[0]->type->is_vector() &&
+ ir->operands[1]->type->is_vector()) {
+ assert(ir->operands[0]->type->components() ==
+ ir->operands[1]->type->components());
+ }
+ assert(ir->type == ir->operands[0]->type);
+ break;
+
case ir_binop_bit_and:
case ir_binop_bit_xor:
case ir_binop_bit_or:
case ir_binop_dot:
assert(ir->type == glsl_type::float_type);
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->operands[0]->type->is_vector());
assert(ir->operands[0]->type == ir->operands[1]->type);
break;
return visit_continue;
}
+ir_visitor_status
+ir_validate::visit_leave(ir_swizzle *ir)
+{
+ int chans[4] = {ir->mask.x, ir->mask.y, ir->mask.z, ir->mask.w};
+
+ for (unsigned int i = 0; i < ir->type->vector_elements; i++) {
+ if (chans[i] >= ir->val->type->vector_elements) {
+ printf("ir_swizzle @ %p specifies a channel not present "
+ "in the value.\n", (void *) ir);
+ ir->print();
+ abort();
+ }
+ }
+
+ return visit_continue;
+}
+
ir_visitor_status
ir_validate::visit(ir_variable *ir)
{
abort();
}
- /* Mask of fields that do not exist in the destination. These should
- * not be written by the assignment.
- */
- const unsigned invalid_mask = ~((1U << lhs->type->components()) - 1);
+ int lhs_components = 0;
+ for (int i = 0; i < 4; i++) {
+ if (ir->write_mask & (1 << i))
+ lhs_components++;
+ }
- if ((invalid_mask & ir->write_mask) != 0) {
- printf("Assignment write mask enables invalid components for "
- "type %s:\n", lhs->type->name);
+ if (lhs_components != ir->rhs->type->vector_elements) {
+ printf("Assignment count of LHS write mask channels enabled not\n"
+ "matching RHS vector size (%d LHS, %d RHS).\n",
+ lhs_components, ir->rhs->type->vector_elements);
ir->print();
abort();
}