* - overrides any struct field offsets but get_explicit_std430_type() tries to
* respect any existing ones
*/
-const struct glsl_type *
-glsl_type::get_explicit_type_for_size_align(glsl_type_size_align_func type_info,
- unsigned *size, unsigned *alignment) const
+extern "C" const struct glsl_type *
+glsl_get_explicit_type_for_size_align(const struct glsl_type *t,
+ glsl_type_size_align_func type_info,
+ unsigned *size, unsigned *alignment)
{
- if (this->is_image() || this->is_sampler()) {
- type_info(this, size, alignment);
+ if (t->is_image() || t->is_sampler()) {
+ type_info(t, size, alignment);
assert(*alignment > 0);
- return this;
- } else if (this->is_cmat()) {
+ return t;
+ } else if (t->is_cmat()) {
*size = 0;
*alignment = 0;
- return this;
- } else if (this->is_scalar()) {
- type_info(this, size, alignment);
- assert(*size == explicit_type_scalar_byte_size(this));
- assert(*alignment == explicit_type_scalar_byte_size(this));
- return this;
- } else if (this->is_vector()) {
- type_info(this, size, alignment);
+ return t;
+ } else if (t->is_scalar()) {
+ type_info(t, size, alignment);
+ assert(*size == explicit_type_scalar_byte_size(t));
+ assert(*alignment == explicit_type_scalar_byte_size(t));
+ return t;
+ } else if (t->is_vector()) {
+ type_info(t, size, alignment);
assert(*alignment > 0);
- assert(*alignment % explicit_type_scalar_byte_size(this) == 0);
- return glsl_type::get_instance(this->base_type, this->vector_elements,
+ assert(*alignment % explicit_type_scalar_byte_size(t) == 0);
+ return glsl_type::get_instance(t->base_type, t->vector_elements,
1, 0, false, *alignment);
- } else if (this->is_array()) {
+ } else if (t->is_array()) {
unsigned elem_size, elem_align;
const struct glsl_type *explicit_element =
- this->fields.array->get_explicit_type_for_size_align(type_info, &elem_size, &elem_align);
+ t->fields.array->get_explicit_type_for_size_align(type_info, &elem_size, &elem_align);
unsigned stride = align(elem_size, elem_align);
- *size = stride * (this->length - 1) + elem_size;
+ *size = stride * (t->length - 1) + elem_size;
*alignment = elem_align;
- return glsl_type::get_array_instance(explicit_element, this->length, stride);
- } else if (this->is_struct() || this->is_interface()) {
+ return glsl_type::get_array_instance(explicit_element, t->length, stride);
+ } else if (t->is_struct() || t->is_interface()) {
struct glsl_struct_field *fields = (struct glsl_struct_field *)
- malloc(sizeof(struct glsl_struct_field) * this->length);
+ malloc(sizeof(struct glsl_struct_field) * t->length);
*size = 0;
*alignment = 1;
- for (unsigned i = 0; i < this->length; i++) {
- fields[i] = this->fields.structure[i];
+ for (unsigned i = 0; i < t->length; i++) {
+ fields[i] = t->fields.structure[i];
assert(fields[i].matrix_layout != GLSL_MATRIX_LAYOUT_ROW_MAJOR);
unsigned field_size, field_align;
fields[i].type =
fields[i].type->get_explicit_type_for_size_align(type_info, &field_size, &field_align);
- field_align = this->packed ? 1 : field_align;
+ field_align = t->packed ? 1 : field_align;
fields[i].offset = align(*size, field_align);
*size = fields[i].offset + field_size;
*size = align(*size, *alignment);
const struct glsl_type *type;
- if (this->is_struct()) {
- type = get_struct_instance(fields, this->length, glsl_get_type_name(this),
- this->packed, *alignment);
+ if (t->is_struct()) {
+ type = glsl_type::get_struct_instance(fields, t->length, glsl_get_type_name(t),
+ t->packed, *alignment);
} else {
- assert(!this->packed);
- type = get_interface_instance(fields, this->length,
- (enum glsl_interface_packing)this->interface_packing,
- this->interface_row_major,
- glsl_get_type_name(this));
+ assert(!t->packed);
+ type = glsl_type::get_interface_instance(fields, t->length,
+ (enum glsl_interface_packing)t->interface_packing,
+ t->interface_row_major,
+ glsl_get_type_name(t));
}
free(fields);
return type;
- } else if (this->is_matrix()) {
+ } else if (t->is_matrix()) {
unsigned col_size, col_align;
- type_info(this->column_type(), &col_size, &col_align);
+ type_info(t->column_type(), &col_size, &col_align);
unsigned stride = align(col_size, col_align);
- *size = this->matrix_columns * stride;
+ *size = t->matrix_columns * stride;
/* Matrix and column alignments match. See glsl_type::column_type() */
assert(col_align > 0);
*alignment = col_align;
- return glsl_type::get_instance(this->base_type, this->vector_elements,
- this->matrix_columns, stride, false, *alignment);
+ return glsl_type::get_instance(t->base_type, t->vector_elements,
+ t->matrix_columns, stride, false, *alignment);
} else {
unreachable("Unhandled type.");
}
}
-const struct glsl_type *
-glsl_type::replace_vec3_with_vec4() const
+extern "C" const struct glsl_type *
+glsl_type_replace_vec3_with_vec4(const struct glsl_type *t)
{
- if (this->is_scalar() || this->is_vector() || this->is_matrix()) {
- if (this->interface_row_major) {
- if (this->matrix_columns == 3) {
- return glsl_type::get_instance(this->base_type,
- this->vector_elements,
+ if (t->is_scalar() || t->is_vector() || t->is_matrix()) {
+ if (t->interface_row_major) {
+ if (t->matrix_columns == 3) {
+ return glsl_type::get_instance(t->base_type,
+ t->vector_elements,
4, /* matrix columns */
- this->explicit_stride,
- this->interface_row_major,
- this->explicit_alignment);
+ t->explicit_stride,
+ t->interface_row_major,
+ t->explicit_alignment);
} else {
- return this;
+ return t;
}
} else {
- if (this->vector_elements == 3) {
- return glsl_type::get_instance(this->base_type,
+ if (t->vector_elements == 3) {
+ return glsl_type::get_instance(t->base_type,
4, /* vector elements */
- this->matrix_columns,
- this->explicit_stride,
- this->interface_row_major,
- this->explicit_alignment);
+ t->matrix_columns,
+ t->explicit_stride,
+ t->interface_row_major,
+ t->explicit_alignment);
} else {
- return this;
+ return t;
}
}
- } else if (this->is_array()) {
+ } else if (t->is_array()) {
const struct glsl_type *vec4_elem_type =
- this->fields.array->replace_vec3_with_vec4();
- if (vec4_elem_type == this->fields.array)
- return this;
+ t->fields.array->replace_vec3_with_vec4();
+ if (vec4_elem_type == t->fields.array)
+ return t;
return glsl_type::get_array_instance(vec4_elem_type,
- this->length,
- this->explicit_stride);
- } else if (this->is_struct() || this->is_interface()) {
+ t->length,
+ t->explicit_stride);
+ } else if (t->is_struct() || t->is_interface()) {
struct glsl_struct_field *fields = (struct glsl_struct_field *)
- malloc(sizeof(struct glsl_struct_field) * this->length);
+ malloc(sizeof(struct glsl_struct_field) * t->length);
bool needs_new_type = false;
- for (unsigned i = 0; i < this->length; i++) {
- fields[i] = this->fields.structure[i];
+ for (unsigned i = 0; i < t->length; i++) {
+ fields[i] = t->fields.structure[i];
assert(fields[i].matrix_layout != GLSL_MATRIX_LAYOUT_ROW_MAJOR);
fields[i].type = fields[i].type->replace_vec3_with_vec4();
- if (fields[i].type != this->fields.structure[i].type)
+ if (fields[i].type != t->fields.structure[i].type)
needs_new_type = true;
}
const struct glsl_type *type;
if (!needs_new_type) {
- type = this;
- } else if (this->is_struct()) {
- type = get_struct_instance(fields, this->length, glsl_get_type_name(this),
- this->packed, this->explicit_alignment);
+ type = t;
+ } else if (t->is_struct()) {
+ type = glsl_type::get_struct_instance(fields, t->length, glsl_get_type_name(t),
+ t->packed, t->explicit_alignment);
} else {
- assert(!this->packed);
- type = get_interface_instance(fields, this->length,
- (enum glsl_interface_packing)this->interface_packing,
- this->interface_row_major,
- glsl_get_type_name(this));
+ assert(!t->packed);
+ type = glsl_type::get_interface_instance(fields, t->length,
+ (enum glsl_interface_packing)t->interface_packing,
+ t->interface_row_major,
+ glsl_get_type_name(t));
}
free(fields);
return type;