}
bool
-ir_constant::is_zero() const
+ir_constant::is_value(float f, int i) const
{
if (!this->type->is_scalar() && !this->type->is_vector())
return false;
+ /* Only accept boolean values for 0/1. */
+ if (int(bool(i)) != i && this->type->is_boolean())
+ return false;
+
for (unsigned c = 0; c < this->type->vector_elements; c++) {
switch (this->type->base_type) {
case GLSL_TYPE_FLOAT:
- if (this->value.f[c] != 0.0)
+ if (this->value.f[c] != f)
return false;
break;
case GLSL_TYPE_INT:
- if (this->value.i[c] != 0)
+ if (this->value.i[c] != i)
return false;
break;
case GLSL_TYPE_UINT:
- if (this->value.u[c] != 0)
+ if (this->value.u[c] != unsigned(i))
return false;
break;
case GLSL_TYPE_BOOL:
- if (this->value.b[c] != false)
+ if (this->value.b[c] != bool(i))
return false;
break;
default:
}
bool
-ir_constant::is_one() const
+ir_constant::is_zero() const
{
- if (!this->type->is_scalar() && !this->type->is_vector())
- return false;
-
- for (unsigned c = 0; c < this->type->vector_elements; c++) {
- switch (this->type->base_type) {
- case GLSL_TYPE_FLOAT:
- if (this->value.f[c] != 1.0)
- return false;
- break;
- case GLSL_TYPE_INT:
- if (this->value.i[c] != 1)
- return false;
- break;
- case GLSL_TYPE_UINT:
- if (this->value.u[c] != 1)
- return false;
- break;
- case GLSL_TYPE_BOOL:
- if (this->value.b[c] != true)
- return false;
- break;
- default:
- /* The only other base types are structures, arrays, and samplers.
- * Samplers cannot be constants, and the others should have been
- * filtered out above.
- */
- assert(!"Should not get here.");
- return false;
- }
- }
+ return is_value(0.0, 0);
+}
- return true;
+bool
+ir_constant::is_one() const
+{
+ return is_value(1.0, 1);
}
bool
ir_constant::is_negative_one() const
{
- if (!this->type->is_scalar() && !this->type->is_vector())
- return false;
-
- if (this->type->is_boolean())
- return false;
-
- for (unsigned c = 0; c < this->type->vector_elements; c++) {
- switch (this->type->base_type) {
- case GLSL_TYPE_FLOAT:
- if (this->value.f[c] != -1.0)
- return false;
- break;
- case GLSL_TYPE_INT:
- if (this->value.i[c] != -1)
- return false;
- break;
- case GLSL_TYPE_UINT:
- if (int(this->value.u[c]) != -1)
- return false;
- break;
- default:
- /* The only other base types are structures, arrays, samplers, and
- * booleans. Samplers cannot be constants, and the others should
- * have been filtered out above.
- */
- assert(!"Should not get here.");
- return false;
- }
- }
-
- return true;
+ return is_value(-1.0, -1);
}
bool
ir_variable::ir_variable(const struct glsl_type *type, const char *name,
ir_variable_mode mode)
- : max_array_access(0), max_ifc_array_access(NULL),
- how_declared(ir_var_declared_normally), mode(mode),
- interpolation(INTERP_QUALIFIER_NONE), atomic()
+ : max_ifc_array_access(NULL)
{
this->ir_type = ir_type_variable;
this->type = type;
this->name = ralloc_strdup(this, name);
- this->explicit_location = false;
- this->has_initializer = false;
- this->location = -1;
- this->location_frac = 0;
+ this->data.explicit_location = false;
+ this->data.has_initializer = false;
+ this->data.location = -1;
+ this->data.location_frac = 0;
this->warn_extension = NULL;
this->constant_value = NULL;
this->constant_initializer = NULL;
- this->origin_upper_left = false;
- this->pixel_center_integer = false;
- this->depth_layout = ir_depth_layout_none;
- this->used = false;
+ this->data.origin_upper_left = false;
+ this->data.pixel_center_integer = false;
+ this->data.depth_layout = ir_depth_layout_none;
+ this->data.used = false;
this->data.read_only = false;
this->data.centroid = false;
this->data.sample = false;
this->data.invariant = false;
+ this->data.how_declared = ir_var_declared_normally;
+ this->data.mode = mode;
+ this->data.interpolation = INTERP_QUALIFIER_NONE;
+ this->data.max_array_access = 0;
+ this->data.atomic.buffer_index = 0;
+ this->data.atomic.offset = 0;
if (type != NULL) {
if (type->base_type == GLSL_TYPE_SAMPLER)
glsl_interp_qualifier
ir_variable::determine_interpolation_mode(bool flat_shade)
{
- if (this->interpolation != INTERP_QUALIFIER_NONE)
- return (glsl_interp_qualifier) this->interpolation;
- int location = this->location;
+ if (this->data.interpolation != INTERP_QUALIFIER_NONE)
+ return (glsl_interp_qualifier) this->data.interpolation;
+ int location = this->data.location;
bool is_gl_Color =
location == VARYING_SLOT_COL0 || location == VARYING_SLOT_COL1;
if (flat_shade && is_gl_Color)
const char *
ir_function_signature::qualifiers_match(exec_list *params)
{
- exec_list_iterator iter_a = parameters.iterator();
- exec_list_iterator iter_b = params->iterator();
-
/* check that the qualifiers match. */
- while (iter_a.has_next()) {
- ir_variable *a = (ir_variable *)iter_a.get();
- ir_variable *b = (ir_variable *)iter_b.get();
+ foreach_two_lists(a_node, &this->parameters, b_node, params) {
+ ir_variable *a = (ir_variable *) a_node;
+ ir_variable *b = (ir_variable *) b_node;
if (a->data.read_only != b->data.read_only ||
- !modes_match(a->mode, b->mode) ||
- a->interpolation != b->interpolation ||
+ !modes_match(a->data.mode, b->data.mode) ||
+ a->data.interpolation != b->data.interpolation ||
a->data.centroid != b->data.centroid ||
a->data.sample != b->data.sample) {
/* parameter a's qualifiers don't match */
return a->name;
}
-
- iter_a.next();
- iter_b.next();
}
return NULL;
}
void
visit_exec_list(exec_list *list, ir_visitor *visitor)
{
- foreach_iter(exec_list_iterator, iter, *list) {
- ((ir_instruction *)iter.get())->accept(visitor);
+ foreach_list_safe(n, list) {
+ ((ir_instruction *) n)->accept(visitor);
}
}
*/
if (constant != NULL) {
if (constant->type->is_record()) {
- foreach_iter(exec_list_iterator, iter, constant->components) {
- ir_constant *field = (ir_constant *)iter.get();
+ foreach_list(n, &constant->components) {
+ ir_constant *field = (ir_constant *) n;
steal_memory(field, ir);
}
} else if (constant->type->is_array()) {
const char *
mode_string(const ir_variable *var)
{
- switch (var->mode) {
+ switch (var->data.mode) {
case ir_var_auto:
return (var->data.read_only) ? "global constant" : "global variable";
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