mtx_t glsl_type::hash_mutex = _MTX_INITIALIZER_NP;
hash_table *glsl_type::explicit_matrix_types = NULL;
hash_table *glsl_type::array_types = NULL;
-hash_table *glsl_type::record_types = NULL;
+hash_table *glsl_type::struct_types = NULL;
hash_table *glsl_type::interface_types = NULL;
hash_table *glsl_type::function_types = NULL;
hash_table *glsl_type::subroutine_types = NULL;
+/* There might be multiple users for types (e.g. application using OpenGL
+ * and Vulkan simultanously or app using multiple Vulkan instances). Counter
+ * is used to make sure we don't release the types if a user is still present.
+ */
+static uint32_t glsl_type_users = 0;
+
glsl_type::glsl_type(GLenum gl_type,
glsl_base_type base_type, unsigned vector_elements,
unsigned matrix_columns, const char *name,
- unsigned explicit_stride, bool row_major) :
+ unsigned explicit_stride, bool row_major,
+ unsigned explicit_alignment) :
gl_type(gl_type),
base_type(base_type), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
- interface_packing(0), interface_row_major(row_major),
+ interface_packing(0), interface_row_major(row_major), packed(0),
vector_elements(vector_elements), matrix_columns(matrix_columns),
- length(0), explicit_stride(explicit_stride)
+ length(0), explicit_stride(explicit_stride),
+ explicit_alignment(explicit_alignment)
{
/* Values of these types must fit in the two bits of
* glsl_type::sampled_type.
/* Neither dimension is zero or both dimensions are zero.
*/
assert((vector_elements == 0) == (matrix_columns == 0));
+ assert(util_is_power_of_two_or_zero(explicit_alignment));
memset(& fields, 0, sizeof(fields));
}
base_type(base_type), sampled_type(type),
sampler_dimensionality(dim), sampler_shadow(shadow),
sampler_array(array), interface_packing(0),
- interface_row_major(0),
- length(0), explicit_stride(0)
+ interface_row_major(0), packed(0),
+ length(0), explicit_stride(0), explicit_alignment(0)
{
this->mem_ctx = ralloc_context(NULL);
assert(this->mem_ctx != NULL);
}
glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
- const char *name) :
+ const char *name, bool packed,
+ unsigned explicit_alignment) :
gl_type(0),
base_type(GLSL_TYPE_STRUCT), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
- interface_packing(0), interface_row_major(0),
+ interface_packing(0), interface_row_major(0), packed(packed),
vector_elements(0), matrix_columns(0),
- length(num_fields), explicit_stride(0)
+ length(num_fields), explicit_stride(0),
+ explicit_alignment(explicit_alignment)
{
unsigned int i;
+ assert(util_is_power_of_two_or_zero(explicit_alignment));
+
this->mem_ctx = ralloc_context(NULL);
assert(this->mem_ctx != NULL);
base_type(GLSL_TYPE_INTERFACE), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
interface_packing((unsigned) packing),
- interface_row_major((unsigned) row_major),
+ interface_row_major((unsigned) row_major), packed(0),
vector_elements(0), matrix_columns(0),
- length(num_fields), explicit_stride(0)
+ length(num_fields), explicit_stride(0), explicit_alignment(0)
{
unsigned int i;
gl_type(0),
base_type(GLSL_TYPE_FUNCTION), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
- interface_packing(0), interface_row_major(0),
+ interface_packing(0), interface_row_major(0), packed(0),
vector_elements(0), matrix_columns(0),
- length(num_params), explicit_stride(0)
+ length(num_params), explicit_stride(0), explicit_alignment(0)
{
unsigned int i;
gl_type(0),
base_type(GLSL_TYPE_SUBROUTINE), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
- interface_packing(0), interface_row_major(0),
+ interface_packing(0), interface_row_major(0), packed(0),
vector_elements(1), matrix_columns(1),
- length(0), explicit_stride(0)
+ length(0), explicit_stride(0), explicit_alignment(0)
{
this->mem_ctx = ralloc_context(NULL);
assert(this->mem_ctx != NULL);
bare_fields[i].name = this->fields.structure[i].name;
}
const glsl_type *bare_type =
- get_record_instance(bare_fields, this->length, this->name);
+ get_struct_instance(bare_fields, this->length, this->name);
delete[] bare_fields;
return bare_type;
}
unreachable("Invalid base type");
}
+const glsl_type *glsl_type::get_float16_type() const
+{
+ assert(this->base_type == GLSL_TYPE_FLOAT);
+
+ return get_instance(GLSL_TYPE_FLOAT16,
+ this->vector_elements,
+ this->matrix_columns,
+ this->explicit_stride,
+ this->interface_row_major);
+}
+
+const glsl_type *glsl_type::get_int16_type() const
+{
+ assert(this->base_type == GLSL_TYPE_INT);
+
+ return get_instance(GLSL_TYPE_INT16,
+ this->vector_elements,
+ this->matrix_columns,
+ this->explicit_stride,
+ this->interface_row_major);
+}
+
+const glsl_type *glsl_type::get_uint16_type() const
+{
+ assert(this->base_type == GLSL_TYPE_UINT);
+
+ return get_instance(GLSL_TYPE_UINT16,
+ this->vector_elements,
+ this->matrix_columns,
+ this->explicit_stride,
+ this->interface_row_major);
+}
static void
hash_free_type_function(struct hash_entry *entry)
}
void
-_mesa_glsl_release_types(void)
+glsl_type_singleton_init_or_ref()
{
- /* Should only be called during atexit (either when unloading shared
- * object, or if process terminates), so no mutex-locking should be
- * necessary.
- */
+ mtx_lock(&glsl_type::hash_mutex);
+ glsl_type_users++;
+ mtx_unlock(&glsl_type::hash_mutex);
+}
+
+void
+glsl_type_singleton_decref()
+{
+ mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
+
+ /* Do not release glsl_types if they are still used. */
+ if (--glsl_type_users) {
+ mtx_unlock(&glsl_type::hash_mutex);
+ return;
+ }
+
if (glsl_type::explicit_matrix_types != NULL) {
_mesa_hash_table_destroy(glsl_type::explicit_matrix_types,
hash_free_type_function);
glsl_type::array_types = NULL;
}
- if (glsl_type::record_types != NULL) {
- _mesa_hash_table_destroy(glsl_type::record_types, hash_free_type_function);
- glsl_type::record_types = NULL;
+ if (glsl_type::struct_types != NULL) {
+ _mesa_hash_table_destroy(glsl_type::struct_types, hash_free_type_function);
+ glsl_type::struct_types = NULL;
}
if (glsl_type::interface_types != NULL) {
_mesa_hash_table_destroy(glsl_type::subroutine_types, hash_free_type_function);
glsl_type::subroutine_types = NULL;
}
+
+ mtx_unlock(&glsl_type::hash_mutex);
}
unsigned explicit_stride) :
base_type(GLSL_TYPE_ARRAY), sampled_type(GLSL_TYPE_VOID),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
- interface_packing(0), interface_row_major(0),
+ interface_packing(0), interface_row_major(0), packed(0),
vector_elements(0), matrix_columns(0),
- length(length), name(NULL), explicit_stride(explicit_stride)
+ length(length), name(NULL), explicit_stride(explicit_stride),
+ explicit_alignment(array->explicit_alignment)
{
this->fields.array = array;
/* Inherit the gl type of the base. The GL type is used for
char *const n = (char *) ralloc_size(this->mem_ctx, name_length);
if (length == 0)
- util_snprintf(n, name_length, "%s[]", array->name);
+ snprintf(n, name_length, "%s[]", array->name);
else {
/* insert outermost dimensions in the correct spot
* otherwise the dimension order will be backwards
const char *pos = strchr(array->name, '[');
if (pos) {
int idx = pos - array->name;
- util_snprintf(n, idx+1, "%s", array->name);
- util_snprintf(n + idx, name_length - idx, "[%u]%s",
+ snprintf(n, idx+1, "%s", array->name);
+ snprintf(n + idx, name_length - idx, "[%u]%s",
length, array->name + idx);
} else {
- util_snprintf(n, name_length, "%s[%u]", array->name, length);
+ snprintf(n, name_length, "%s[%u]", array->name, length);
}
}
const glsl_type *
glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned columns,
- unsigned explicit_stride, bool row_major)
+ unsigned explicit_stride, bool row_major,
+ unsigned explicit_alignment)
{
if (base_type == GLSL_TYPE_VOID) {
- assert(explicit_stride == 0 && !row_major);
+ assert(explicit_stride == 0 && explicit_alignment == 0 && !row_major);
return void_type;
}
- /* Matrix and vector types with explicit strides have to be looked up in a
- * table so they're handled separately.
+ /* Matrix and vector types with explicit strides or alignment have to be
+ * looked up in a table so they're handled separately.
*/
- if (explicit_stride > 0) {
+ if (explicit_stride > 0 || explicit_alignment > 0) {
+ if (explicit_alignment > 0) {
+ assert(util_is_power_of_two_nonzero(explicit_alignment));
+ assert(explicit_stride % explicit_alignment == 0);
+ }
+
const glsl_type *bare_type = get_instance(base_type, rows, columns);
- assert(columns > 1 || !row_major);
+ assert(columns > 1 || (rows > 1 && !row_major));
char name[128];
- util_snprintf(name, sizeof(name), "%sx%uB%s", bare_type->name,
- explicit_stride, row_major ? "RM" : "");
+ snprintf(name, sizeof(name), "%sx%ua%uB%s", bare_type->name,
+ explicit_stride, explicit_alignment, row_major ? "RM" : "");
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (explicit_matrix_types == NULL) {
explicit_matrix_types =
- _mesa_hash_table_create(NULL, _mesa_key_hash_string,
+ _mesa_hash_table_create(NULL, _mesa_hash_string,
_mesa_key_string_equal);
}
const glsl_type *t = new glsl_type(bare_type->gl_type,
(glsl_base_type)base_type,
rows, columns, name,
- explicit_stride, row_major);
+ explicit_stride, row_major,
+ explicit_alignment);
entry = _mesa_hash_table_insert(explicit_matrix_types,
t->name, (void *)t);
assert(((glsl_type *) entry->data)->vector_elements == rows);
assert(((glsl_type *) entry->data)->matrix_columns == columns);
assert(((glsl_type *) entry->data)->explicit_stride == explicit_stride);
+ assert(((glsl_type *) entry->data)->explicit_alignment == explicit_alignment);
+
+ const glsl_type *t = (const glsl_type *) entry->data;
mtx_unlock(&glsl_type::hash_mutex);
- return (const glsl_type *) entry->data;
+ return t;
}
assert(!row_major);
case GLSL_SAMPLER_DIM_SUBPASS_MS:
return error_type;
}
+ case GLSL_TYPE_VOID:
+ return shadow ? samplerShadow_type : sampler_type;
default:
return error_type;
}
case GLSL_SAMPLER_DIM_EXTERNAL:
return error_type;
}
+ case GLSL_TYPE_VOID:
+ switch (dim) {
+ case GLSL_SAMPLER_DIM_1D:
+ return (array ? vimage1DArray_type : vimage1D_type);
+ case GLSL_SAMPLER_DIM_2D:
+ return (array ? vimage2DArray_type : vimage2D_type);
+ case GLSL_SAMPLER_DIM_3D:
+ return (array ? error_type : vimage3D_type);
+ case GLSL_SAMPLER_DIM_BUF:
+ return (array ? error_type : vbuffer_type);
+ default:
+ return error_type;
+ }
default:
return error_type;
}
* named 'foo'.
*/
char key[128];
- util_snprintf(key, sizeof(key), "%p[%u]x%uB", (void *) base, array_size,
- explicit_stride);
+ snprintf(key, sizeof(key), "%p[%u]x%uB", (void *) base, array_size,
+ explicit_stride);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (array_types == NULL) {
- array_types = _mesa_hash_table_create(NULL, _mesa_key_hash_string,
+ array_types = _mesa_hash_table_create(NULL, _mesa_hash_string,
_mesa_key_string_equal);
}
assert(((glsl_type *) entry->data)->length == array_size);
assert(((glsl_type *) entry->data)->fields.array == base);
+ glsl_type *t = (glsl_type *) entry->data;
+
mtx_unlock(&glsl_type::hash_mutex);
- return (glsl_type *) entry->data;
+ return t;
}
+bool
+glsl_type::compare_no_precision(const glsl_type *b) const
+{
+ if (this == b)
+ return true;
+
+ if (this->is_array()) {
+ if (!b->is_array() || this->length != b->length)
+ return false;
+
+ const glsl_type *b_no_array = b->fields.array;
+
+ return this->fields.array->compare_no_precision(b_no_array);
+ }
+
+ if (this->is_struct()) {
+ if (!b->is_struct())
+ return false;
+ } else if (this->is_interface()) {
+ if (!b->is_interface())
+ return false;
+ } else {
+ return false;
+ }
+
+ return record_compare(b,
+ true, /* match_name */
+ true, /* match_locations */
+ false /* match_precision */);
+}
bool
-glsl_type::record_compare(const glsl_type *b, bool match_locations) const
+glsl_type::record_compare(const glsl_type *b, bool match_name,
+ bool match_locations, bool match_precision) const
{
if (this->length != b->length)
return false;
if (this->interface_row_major != b->interface_row_major)
return false;
+ if (this->explicit_alignment != b->explicit_alignment)
+ return false;
+
/* From the GLSL 4.20 specification (Sec 4.2):
*
* "Structures must have the same name, sequence of type names, and
* type definitions, and field names to be considered the same type."
*
* GLSL ES behaves the same (Ver 1.00 Sec 4.2.4, Ver 3.00 Sec 4.2.5).
+ *
+ * Section 7.4.1 (Shader Interface Matching) of the OpenGL 4.30 spec says:
+ *
+ * "Variables or block members declared as structures are considered
+ * to match in type if and only if structure members match in name,
+ * type, qualification, and declaration order."
*/
- if (strcmp(this->name, b->name) != 0)
- return false;
+ if (match_name)
+ if (strcmp(this->name, b->name) != 0)
+ return false;
for (unsigned i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type != b->fields.structure[i].type)
- return false;
+ if (match_precision) {
+ if (this->fields.structure[i].type != b->fields.structure[i].type)
+ return false;
+ } else {
+ const glsl_type *ta = this->fields.structure[i].type;
+ const glsl_type *tb = b->fields.structure[i].type;
+ if (!ta->compare_no_precision(tb))
+ return false;
+ }
if (strcmp(this->fields.structure[i].name,
b->fields.structure[i].name) != 0)
return false;
if (this->fields.structure[i].image_format
!= b->fields.structure[i].image_format)
return false;
- if (this->fields.structure[i].precision
+ if (match_precision &&
+ this->fields.structure[i].precision
!= b->fields.structure[i].precision)
return false;
if (this->fields.structure[i].explicit_xfb_buffer
const glsl_type *const key1 = (glsl_type *) a;
const glsl_type *const key2 = (glsl_type *) b;
- return strcmp(key1->name, key2->name) == 0 && key1->record_compare(key2);
+ return strcmp(key1->name, key2->name) == 0 &&
+ key1->record_compare(key2, true);
}
const glsl_type *
-glsl_type::get_record_instance(const glsl_struct_field *fields,
+glsl_type::get_struct_instance(const glsl_struct_field *fields,
unsigned num_fields,
- const char *name)
+ const char *name,
+ bool packed, unsigned explicit_alignment)
{
- const glsl_type key(fields, num_fields, name);
+ const glsl_type key(fields, num_fields, name, packed, explicit_alignment);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
- if (record_types == NULL) {
- record_types = _mesa_hash_table_create(NULL, record_key_hash,
+ if (struct_types == NULL) {
+ struct_types = _mesa_hash_table_create(NULL, record_key_hash,
record_key_compare);
}
- const struct hash_entry *entry = _mesa_hash_table_search(record_types,
+ const struct hash_entry *entry = _mesa_hash_table_search(struct_types,
&key);
if (entry == NULL) {
- const glsl_type *t = new glsl_type(fields, num_fields, name);
+ const glsl_type *t = new glsl_type(fields, num_fields, name, packed,
+ explicit_alignment);
- entry = _mesa_hash_table_insert(record_types, t, (void *) t);
+ entry = _mesa_hash_table_insert(struct_types, t, (void *) t);
}
assert(((glsl_type *) entry->data)->base_type == GLSL_TYPE_STRUCT);
assert(((glsl_type *) entry->data)->length == num_fields);
assert(strcmp(((glsl_type *) entry->data)->name, name) == 0);
+ assert(((glsl_type *) entry->data)->packed == packed);
+ assert(((glsl_type *) entry->data)->explicit_alignment == explicit_alignment);
+
+ glsl_type *t = (glsl_type *) entry->data;
mtx_unlock(&glsl_type::hash_mutex);
- return (glsl_type *) entry->data;
+ return t;
}
const glsl_type key(fields, num_fields, packing, row_major, block_name);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (interface_types == NULL) {
interface_types = _mesa_hash_table_create(NULL, record_key_hash,
assert(((glsl_type *) entry->data)->length == num_fields);
assert(strcmp(((glsl_type *) entry->data)->name, block_name) == 0);
+ glsl_type *t = (glsl_type *) entry->data;
+
mtx_unlock(&glsl_type::hash_mutex);
- return (glsl_type *) entry->data;
+ return t;
}
const glsl_type *
const glsl_type key(subroutine_name);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (subroutine_types == NULL) {
subroutine_types = _mesa_hash_table_create(NULL, record_key_hash,
assert(((glsl_type *) entry->data)->base_type == GLSL_TYPE_SUBROUTINE);
assert(strcmp(((glsl_type *) entry->data)->name, subroutine_name) == 0);
+ glsl_type *t = (glsl_type *) entry->data;
+
mtx_unlock(&glsl_type::hash_mutex);
- return (glsl_type *) entry->data;
+ return t;
}
const glsl_type key(return_type, params, num_params);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (function_types == NULL) {
function_types = _mesa_hash_table_create(NULL, function_key_hash,
const glsl_type *
glsl_type::get_mul_type(const glsl_type *type_a, const glsl_type *type_b)
{
- if (type_a == type_b) {
- return type_a;
- } else if (type_a->is_matrix() && type_b->is_matrix()) {
+ if (type_a->is_matrix() && type_b->is_matrix()) {
/* Matrix multiply. The columns of A must match the rows of B. Given
* the other previously tested constraints, this means the vector type
* of a row from A must be the same as the vector type of a column from
return type;
}
+ } else if (type_a == type_b) {
+ return type_a;
} else if (type_a->is_matrix()) {
/* A is a matrix and B is a column vector. Columns of A must match
* rows of B. Given the other previously tested constraints, this
}
unsigned
-glsl_type::record_location_offset(unsigned length) const
+glsl_type::struct_location_offset(unsigned length) const
{
unsigned offset = 0;
const glsl_type *t = this->without_array();
const glsl_type *st = t->fields.structure[i].type;
const glsl_type *wa = st->without_array();
if (wa->is_struct()) {
- unsigned r_offset = wa->record_location_offset(wa->length);
+ unsigned r_offset = wa->struct_location_offset(wa->length);
offset += st->is_array() ?
st->arrays_of_arrays_size() * r_offset : r_offset;
} else if (st->is_array() && st->fields.array->is_array()) {
return false;
/* int and uint can be converted to float. */
- if (desired->is_float() && this->is_integer())
+ if (desired->is_float() && this->is_integer_32())
return true;
/* With GLSL 4.0, ARB_gpu_shader5, or MESA_shader_integer_functions, int
* state-dependent checks have already happened though, so allow anything
* that's allowed in any shader version.
*/
- if ((!state || state->has_implicit_uint_to_int_conversion()) &&
+ if ((!state || state->has_implicit_int_to_uint_conversion()) &&
desired->base_type == GLSL_TYPE_UINT && this->base_type == GLSL_TYPE_INT)
return true;
if ((!state || state->has_double()) && desired->is_double()) {
if (this->is_float())
return true;
- if (this->is_integer())
+ if (this->is_integer_32())
return true;
}
array_len = 1;
}
- assert(element_type->explicit_stride == 0);
-
if (row_major) {
vec_type = get_instance(element_type->base_type,
element_type->matrix_columns, 1);
* the array are laid out in order, according to rule (9).
*/
if (this->is_array()) {
- assert(this->explicit_stride == 0);
+ unsigned stride;
if (this->without_array()->is_struct()) {
- return this->arrays_of_arrays_size() *
- this->without_array()->std140_size(row_major);
+ stride = this->without_array()->std140_size(row_major);
} else {
unsigned element_base_align =
this->without_array()->std140_base_alignment(row_major);
- return this->arrays_of_arrays_size() * MAX2(element_base_align, 16);
+ stride = MAX2(element_base_align, 16);
}
+
+ unsigned size = this->arrays_of_arrays_size() * stride;
+ assert(this->explicit_stride == 0 ||
+ size == this->length * this->explicit_stride);
+ return size;
}
/* (9) If the member is a structure, the base alignment of the
return -1;
}
+const glsl_type *
+glsl_type::get_explicit_std140_type(bool row_major) const
+{
+ if (this->is_vector() || this->is_scalar()) {
+ return this;
+ } else if (this->is_matrix()) {
+ const glsl_type *vec_type;
+ if (row_major)
+ vec_type = get_instance(this->base_type, this->matrix_columns, 1);
+ else
+ vec_type = get_instance(this->base_type, this->vector_elements, 1);
+ unsigned elem_size = vec_type->std140_size(false);
+ unsigned stride = glsl_align(elem_size, 16);
+ return get_instance(this->base_type, this->vector_elements,
+ this->matrix_columns, stride, row_major);
+ } else if (this->is_array()) {
+ unsigned elem_size = this->fields.array->std140_size(row_major);
+ const glsl_type *elem_type =
+ this->fields.array->get_explicit_std140_type(row_major);
+ unsigned stride = glsl_align(elem_size, 16);
+ return get_array_instance(elem_type, this->length, stride);
+ } else if (this->is_struct() || this->is_interface()) {
+ glsl_struct_field *fields = new glsl_struct_field[this->length];
+ unsigned offset = 0;
+ for (unsigned i = 0; i < length; i++) {
+ fields[i] = this->fields.structure[i];
+
+ bool field_row_major = row_major;
+ if (fields[i].matrix_layout == GLSL_MATRIX_LAYOUT_COLUMN_MAJOR) {
+ field_row_major = false;
+ } else if (fields[i].matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR) {
+ field_row_major = true;
+ }
+ fields[i].type =
+ fields[i].type->get_explicit_std140_type(field_row_major);
+
+ unsigned fsize = fields[i].type->std140_size(field_row_major);
+ unsigned falign = fields[i].type->std140_base_alignment(field_row_major);
+ /* From the GLSL 460 spec section "Uniform and Shader Storage Block
+ * Layout Qualifiers":
+ *
+ * "The actual offset of a member is computed as follows: If
+ * offset was declared, start with that offset, otherwise start
+ * with the next available offset. If the resulting offset is not
+ * a multiple of the actual alignment, increase it to the first
+ * offset that is a multiple of the actual alignment. This results
+ * in the actual offset the member will have."
+ */
+ if (fields[i].offset >= 0) {
+ assert((unsigned)fields[i].offset >= offset);
+ offset = fields[i].offset;
+ }
+ offset = glsl_align(offset, falign);
+ fields[i].offset = offset;
+ offset += fsize;
+ }
+
+ const glsl_type *type;
+ if (this->is_struct())
+ type = get_struct_instance(fields, this->length, this->name);
+ else
+ type = get_interface_instance(fields, this->length,
+ (enum glsl_interface_packing)this->interface_packing,
+ this->interface_row_major,
+ this->name);
+
+ delete[] fields;
+ return type;
+ } else {
+ unreachable("Invalid type for UBO or SSBO");
+ }
+}
+
unsigned
glsl_type::std430_base_alignment(bool row_major) const
{
{
unsigned N = is_64bit() ? 8 : 4;
- assert(explicit_stride == 0);
-
/* Notice that the array stride of a vec3 is not 3 * N but 4 * N.
* See OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout"
*
return 4 * N;
/* By default use std430_size(row_major) */
- return this->std430_size(row_major);
+ unsigned stride = this->std430_size(row_major);
+ assert(this->explicit_stride == 0 || this->explicit_stride == stride);
+ return stride;
+}
+
+/* Note that the value returned by this method is only correct if the
+ * explit offset, and stride values are set, so only with SPIR-V shaders.
+ * Should not be used with GLSL shaders.
+ */
+
+unsigned
+glsl_type::explicit_size(bool align_to_stride) const
+{
+ if (this->is_struct() || this->is_interface()) {
+ if (this->length > 0) {
+ unsigned size = 0;
+
+ for (unsigned i = 0; i < this->length; i++) {
+ assert(this->fields.structure[i].offset >= 0);
+ unsigned last_byte = this->fields.structure[i].offset +
+ this->fields.structure[i].type->explicit_size();
+ size = MAX2(size, last_byte);
+ }
+
+ return size;
+ } else {
+ return 0;
+ }
+ } else if (this->is_array()) {
+ /* From ARB_program_interface_query spec:
+ *
+ * "For the property of BUFFER_DATA_SIZE, then the implementation-dependent
+ * minimum total buffer object size, in basic machine units, required to
+ * hold all active variables associated with an active uniform block, shader
+ * storage block, or atomic counter buffer is written to <params>. If the
+ * final member of an active shader storage block is array with no declared
+ * size, the minimum buffer size is computed assuming the array was declared
+ * as an array with one element."
+ *
+ */
+ if (this->is_unsized_array())
+ return this->explicit_stride;
+
+ assert(this->length > 0);
+ unsigned elem_size = align_to_stride ? this->explicit_stride : this->fields.array->explicit_size();
+ assert(this->explicit_stride >= elem_size);
+
+ return this->explicit_stride * (this->length - 1) + elem_size;
+ } else if (this->is_matrix()) {
+ const struct glsl_type *elem_type;
+ unsigned length;
+
+ if (this->interface_row_major) {
+ elem_type = get_instance(this->base_type,
+ this->matrix_columns, 1);
+ length = this->vector_elements;
+ } else {
+ elem_type = get_instance(this->base_type,
+ this->vector_elements, 1);
+ length = this->matrix_columns;
+ }
+
+ unsigned elem_size = align_to_stride ? this->explicit_stride : elem_type->explicit_size();
+
+ assert(this->explicit_stride);
+ return this->explicit_stride * (length - 1) + elem_size;
+ }
+
+ unsigned N = this->bit_size() / 8;
+
+ return this->vector_elements * N;
}
unsigned
array_len = 1;
}
- assert(element_type->explicit_stride == 0);
-
if (row_major) {
vec_type = get_instance(element_type->base_type,
element_type->matrix_columns, 1);
}
if (this->is_array()) {
- assert(this->explicit_stride == 0);
+ unsigned stride;
if (this->without_array()->is_struct())
- return this->arrays_of_arrays_size() *
- this->without_array()->std430_size(row_major);
+ stride = this->without_array()->std430_size(row_major);
else
- return this->arrays_of_arrays_size() *
- this->without_array()->std430_base_alignment(row_major);
+ stride = this->without_array()->std430_base_alignment(row_major);
+
+ unsigned size = this->arrays_of_arrays_size() * stride;
+ assert(this->explicit_stride == 0 ||
+ size == this->length * this->explicit_stride);
+ return size;
}
if (this->is_struct() || this->is_interface()) {
return -1;
}
+const glsl_type *
+glsl_type::get_explicit_std430_type(bool row_major) const
+{
+ if (this->is_vector() || this->is_scalar()) {
+ return this;
+ } else if (this->is_matrix()) {
+ const glsl_type *vec_type;
+ if (row_major)
+ vec_type = get_instance(this->base_type, this->matrix_columns, 1);
+ else
+ vec_type = get_instance(this->base_type, this->vector_elements, 1);
+ unsigned stride = vec_type->std430_array_stride(false);
+ return get_instance(this->base_type, this->vector_elements,
+ this->matrix_columns, stride, row_major);
+ } else if (this->is_array()) {
+ const glsl_type *elem_type =
+ this->fields.array->get_explicit_std430_type(row_major);
+ unsigned stride = this->fields.array->std430_array_stride(row_major);
+ return get_array_instance(elem_type, this->length, stride);
+ } else if (this->is_struct() || this->is_interface()) {
+ glsl_struct_field *fields = new glsl_struct_field[this->length];
+ unsigned offset = 0;
+ for (unsigned i = 0; i < length; i++) {
+ fields[i] = this->fields.structure[i];
+
+ bool field_row_major = row_major;
+ if (fields[i].matrix_layout == GLSL_MATRIX_LAYOUT_COLUMN_MAJOR) {
+ field_row_major = false;
+ } else if (fields[i].matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR) {
+ field_row_major = true;
+ }
+ fields[i].type =
+ fields[i].type->get_explicit_std430_type(field_row_major);
+
+ unsigned fsize = fields[i].type->std430_size(field_row_major);
+ unsigned falign = fields[i].type->std430_base_alignment(field_row_major);
+ /* From the GLSL 460 spec section "Uniform and Shader Storage Block
+ * Layout Qualifiers":
+ *
+ * "The actual offset of a member is computed as follows: If
+ * offset was declared, start with that offset, otherwise start
+ * with the next available offset. If the resulting offset is not
+ * a multiple of the actual alignment, increase it to the first
+ * offset that is a multiple of the actual alignment. This results
+ * in the actual offset the member will have."
+ */
+ if (fields[i].offset >= 0) {
+ assert((unsigned)fields[i].offset >= offset);
+ offset = fields[i].offset;
+ }
+ offset = glsl_align(offset, falign);
+ fields[i].offset = offset;
+ offset += fsize;
+ }
+
+ const glsl_type *type;
+ if (this->is_struct())
+ type = get_struct_instance(fields, this->length, this->name);
+ else
+ type = get_interface_instance(fields, this->length,
+ (enum glsl_interface_packing)this->interface_packing,
+ this->interface_row_major,
+ this->name);
+
+ delete[] fields;
+ return type;
+ } else {
+ unreachable("Invalid type for SSBO");
+ }
+}
+
+const glsl_type *
+glsl_type::get_explicit_interface_type(bool supports_std430) const
+{
+ enum glsl_interface_packing packing =
+ this->get_internal_ifc_packing(supports_std430);
+ if (packing == GLSL_INTERFACE_PACKING_STD140) {
+ return this->get_explicit_std140_type(this->interface_row_major);
+ } else {
+ assert(packing == GLSL_INTERFACE_PACKING_STD430);
+ return this->get_explicit_std430_type(this->interface_row_major);
+ }
+}
+
+static unsigned
+explicit_type_scalar_byte_size(const glsl_type *type)
+{
+ if (type->base_type == GLSL_TYPE_BOOL)
+ return 4;
+ else
+ return glsl_base_type_get_bit_size(type->base_type) / 8;
+}
+
+/* This differs from get_explicit_std430_type() in that it:
+ * - can size arrays slightly smaller ("stride * (len - 1) + elem_size" instead
+ * of "stride * len")
+ * - consumes a glsl_type_size_align_func which allows 8 and 16-bit values to be
+ * packed more tightly
+ * - overrides any struct field offsets but get_explicit_std430_type() tries to
+ * respect any existing ones
+ */
+const glsl_type *
+glsl_type::get_explicit_type_for_size_align(glsl_type_size_align_func type_info,
+ unsigned *size, unsigned *alignment) const
+{
+ 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);
+ assert(*alignment % explicit_type_scalar_byte_size(this) == 0);
+ return glsl_type::get_instance(this->base_type, this->vector_elements,
+ 1, 0, false, *alignment);
+ } else if (this->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);
+
+ unsigned stride = align(elem_size, elem_align);
+
+ *size = stride * (this->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()) {
+ struct glsl_struct_field *fields = (struct glsl_struct_field *)
+ malloc(sizeof(struct glsl_struct_field) * this->length);
+
+ *size = 0;
+ *alignment = 0;
+ for (unsigned i = 0; i < this->length; i++) {
+ fields[i] = this->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;
+ fields[i].offset = align(*size, field_align);
+
+ *size = fields[i].offset + field_size;
+ *alignment = MAX2(*alignment, field_align);
+ }
+
+ const glsl_type *type;
+ if (this->is_struct()) {
+ type = get_struct_instance(fields, this->length, this->name,
+ this->packed, *alignment);
+ } else {
+ assert(!this->packed);
+ type = get_interface_instance(fields, this->length,
+ (enum glsl_interface_packing)this->interface_packing,
+ this->interface_row_major,
+ this->name);
+ }
+ free(fields);
+ return type;
+ } else if (this->is_matrix()) {
+ unsigned col_size, col_align;
+ type_info(this->column_type(), &col_size, &col_align);
+ unsigned stride = align(col_size, col_align);
+
+ *size = this->matrix_columns * stride;
+ /* Matrix and column alignments match. See glsl_type::column_type() */
+ *alignment = col_align;
+ return glsl_type::get_instance(this->base_type, this->vector_elements,
+ this->matrix_columns, stride, false, *alignment);
+ } else {
+ unreachable("Unhandled type.");
+ }
+}
+
unsigned
-glsl_type::count_attribute_slots(bool is_gl_vertex_input) const
+glsl_type::count_vec4_slots(bool is_gl_vertex_input, bool is_bindless) const
{
/* From page 31 (page 37 of the PDF) of the GLSL 1.50 spec:
*
case GLSL_TYPE_FLOAT:
case GLSL_TYPE_FLOAT16:
case GLSL_TYPE_BOOL:
- case GLSL_TYPE_SAMPLER:
- case GLSL_TYPE_IMAGE:
return this->matrix_columns;
case GLSL_TYPE_DOUBLE:
case GLSL_TYPE_UINT64:
for (unsigned i = 0; i < this->length; i++) {
const glsl_type *member_type = this->fields.structure[i].type;
- size += member_type->count_attribute_slots(is_gl_vertex_input);
+ size += member_type->count_vec4_slots(is_gl_vertex_input, is_bindless);
}
return size;
case GLSL_TYPE_ARRAY: {
const glsl_type *element = this->fields.array;
- return this->length * element->count_attribute_slots(is_gl_vertex_input);
+ return this->length * element->count_vec4_slots(is_gl_vertex_input,
+ is_bindless);
}
+ case GLSL_TYPE_SAMPLER:
+ case GLSL_TYPE_IMAGE:
+ if (!is_bindless)
+ return 0;
+ else
+ return 1;
+
case GLSL_TYPE_SUBROUTINE:
return 1;
return 0;
}
-int
-glsl_type::coordinate_components() const
+unsigned
+glsl_type::count_dword_slots(bool is_bindless) const
{
- int size;
+ switch (this->base_type) {
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_FLOAT:
+ case GLSL_TYPE_BOOL:
+ return this->components();
+ case GLSL_TYPE_UINT16:
+ case GLSL_TYPE_INT16:
+ case GLSL_TYPE_FLOAT16:
+ return DIV_ROUND_UP(this->components(), 2);
+ case GLSL_TYPE_UINT8:
+ case GLSL_TYPE_INT8:
+ return DIV_ROUND_UP(this->components(), 4);
+ case GLSL_TYPE_IMAGE:
+ case GLSL_TYPE_SAMPLER:
+ if (!is_bindless)
+ return 0;
+ /* FALLTHROUGH */
+ case GLSL_TYPE_DOUBLE:
+ case GLSL_TYPE_UINT64:
+ case GLSL_TYPE_INT64:
+ return this->components() * 2;
+ case GLSL_TYPE_ARRAY:
+ return this->fields.array->count_dword_slots(is_bindless) *
+ this->length;
- switch (sampler_dimensionality) {
- case GLSL_SAMPLER_DIM_1D:
- case GLSL_SAMPLER_DIM_BUF:
- size = 1;
- break;
- case GLSL_SAMPLER_DIM_2D:
- case GLSL_SAMPLER_DIM_RECT:
- case GLSL_SAMPLER_DIM_MS:
- case GLSL_SAMPLER_DIM_EXTERNAL:
- case GLSL_SAMPLER_DIM_SUBPASS:
- size = 2;
- break;
- case GLSL_SAMPLER_DIM_3D:
- case GLSL_SAMPLER_DIM_CUBE:
- size = 3;
- break;
+ case GLSL_TYPE_INTERFACE:
+ case GLSL_TYPE_STRUCT: {
+ unsigned size = 0;
+ for (unsigned i = 0; i < this->length; i++) {
+ size += this->fields.structure[i].type->count_dword_slots(is_bindless);
+ }
+ return size;
+ }
+
+ case GLSL_TYPE_ATOMIC_UINT:
+ return 0;
+ case GLSL_TYPE_SUBROUTINE:
+ return 1;
+ case GLSL_TYPE_VOID:
+ case GLSL_TYPE_ERROR:
+ case GLSL_TYPE_FUNCTION:
default:
- assert(!"Should not get here.");
- size = 1;
- break;
+ unreachable("invalid type in st_glsl_type_dword_size()");
}
+ return 0;
+}
+
+int
+glsl_type::coordinate_components() const
+{
+ enum glsl_sampler_dim dim = (enum glsl_sampler_dim)sampler_dimensionality;
+ int size = glsl_get_sampler_dim_coordinate_components(dim);
+
/* Array textures need an additional component for the array index, except
* for cubemap array images that behave like a 2D array of interleaved
* cubemap faces.
#include "compiler/builtin_type_macros.h"
/** @} */
+union packed_type {
+ uint32_t u32;
+ struct {
+ unsigned base_type:5;
+ unsigned interface_row_major:1;
+ unsigned vector_elements:3;
+ unsigned matrix_columns:3;
+ unsigned explicit_stride:16;
+ unsigned explicit_alignment:4;
+ } basic;
+ struct {
+ unsigned base_type:5;
+ unsigned dimensionality:4;
+ unsigned shadow:1;
+ unsigned array:1;
+ unsigned sampled_type:5;
+ unsigned _pad:16;
+ } sampler;
+ struct {
+ unsigned base_type:5;
+ unsigned length:13;
+ unsigned explicit_stride:14;
+ } array;
+ struct {
+ unsigned base_type:5;
+ unsigned interface_packing_or_packed:2;
+ unsigned interface_row_major:1;
+ unsigned length:20;
+ unsigned explicit_alignment:4;
+ } strct;
+};
+
+static void
+encode_glsl_struct_field(blob *blob, const glsl_struct_field *struct_field)
+{
+ encode_type_to_blob(blob, struct_field->type);
+ blob_write_string(blob, struct_field->name);
+ blob_write_uint32(blob, struct_field->location);
+ blob_write_uint32(blob, struct_field->offset);
+ blob_write_uint32(blob, struct_field->xfb_buffer);
+ blob_write_uint32(blob, struct_field->xfb_stride);
+ blob_write_uint32(blob, struct_field->image_format);
+ blob_write_uint32(blob, struct_field->flags);
+}
+
static void
-get_struct_type_field_and_pointer_sizes(size_t *s_field_size,
- size_t *s_field_ptrs)
+decode_glsl_struct_field_from_blob(blob_reader *blob, glsl_struct_field *struct_field)
{
- *s_field_size = sizeof(glsl_struct_field);
- *s_field_ptrs =
- sizeof(((glsl_struct_field *)0)->type) +
- sizeof(((glsl_struct_field *)0)->name);
+ struct_field->type = decode_type_from_blob(blob);
+ struct_field->name = blob_read_string(blob);
+ struct_field->location = blob_read_uint32(blob);
+ struct_field->offset = blob_read_uint32(blob);
+ struct_field->xfb_buffer = blob_read_uint32(blob);
+ struct_field->xfb_stride = blob_read_uint32(blob);
+ struct_field->image_format = (pipe_format)blob_read_uint32(blob);
+ struct_field->flags = blob_read_uint32(blob);
}
void
encode_type_to_blob(struct blob *blob, const glsl_type *type)
{
- uint32_t encoding;
-
if (!type) {
blob_write_uint32(blob, 0);
return;
}
+ STATIC_ASSERT(sizeof(union packed_type) == 4);
+ union packed_type encoded;
+ encoded.u32 = 0;
+ encoded.basic.base_type = type->base_type;
+
switch (type->base_type) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_INT:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
case GLSL_TYPE_BOOL:
- encoding = (type->base_type << 24) |
- (type->interface_row_major << 10) |
- (type->vector_elements << 4) |
- (type->matrix_columns);
- blob_write_uint32(blob, encoding);
- blob_write_uint32(blob, type->explicit_stride);
+ encoded.basic.interface_row_major = type->interface_row_major;
+ assert(type->matrix_columns < 8);
+ if (type->vector_elements <= 4)
+ encoded.basic.vector_elements = type->vector_elements;
+ else if (type->vector_elements == 8)
+ encoded.basic.vector_elements = 5;
+ else if (type->vector_elements == 16)
+ encoded.basic.vector_elements = 6;
+ encoded.basic.matrix_columns = type->matrix_columns;
+ encoded.basic.explicit_stride = MIN2(type->explicit_stride, 0xffff);
+ encoded.basic.explicit_alignment =
+ MIN2(ffs(type->explicit_alignment), 0xf);
+ blob_write_uint32(blob, encoded.u32);
+ /* If we don't have enough bits for explicit_stride, store it
+ * separately.
+ */
+ if (encoded.basic.explicit_stride == 0xffff)
+ blob_write_uint32(blob, type->explicit_stride);
+ if (encoded.basic.explicit_alignment == 0xf)
+ blob_write_uint32(blob, type->explicit_alignment);
return;
case GLSL_TYPE_SAMPLER:
- encoding = (type->base_type) << 24 |
- (type->sampler_dimensionality << 4) |
- (type->sampler_shadow << 3) |
- (type->sampler_array << 2) |
- (type->sampled_type);
+ encoded.sampler.dimensionality = type->sampler_dimensionality;
+ encoded.sampler.shadow = type->sampler_shadow;
+ encoded.sampler.array = type->sampler_array;
+ encoded.sampler.sampled_type = type->sampled_type;
break;
case GLSL_TYPE_SUBROUTINE:
- encoding = type->base_type << 24;
- blob_write_uint32(blob, encoding);
+ blob_write_uint32(blob, encoded.u32);
blob_write_string(blob, type->name);
return;
case GLSL_TYPE_IMAGE:
- encoding = (type->base_type) << 24 |
- (type->sampler_dimensionality << 3) |
- (type->sampler_array << 2) |
- (type->sampled_type);
+ encoded.sampler.dimensionality = type->sampler_dimensionality;
+ encoded.sampler.array = type->sampler_array;
+ encoded.sampler.sampled_type = type->sampled_type;
break;
case GLSL_TYPE_ATOMIC_UINT:
- encoding = (type->base_type << 24);
break;
case GLSL_TYPE_ARRAY:
- blob_write_uint32(blob, (type->base_type) << 24);
- blob_write_uint32(blob, type->length);
- blob_write_uint32(blob, type->explicit_stride);
+ encoded.array.length = MIN2(type->length, 0x1fff);
+ encoded.array.explicit_stride = MIN2(type->explicit_stride, 0x3fff);
+ blob_write_uint32(blob, encoded.u32);
+ /* If we don't have enough bits for length or explicit_stride, store it
+ * separately.
+ */
+ if (encoded.array.length == 0x1fff)
+ blob_write_uint32(blob, type->length);
+ if (encoded.array.explicit_stride == 0x3fff)
+ blob_write_uint32(blob, type->explicit_stride);
encode_type_to_blob(blob, type->fields.array);
return;
case GLSL_TYPE_STRUCT:
case GLSL_TYPE_INTERFACE:
- blob_write_uint32(blob, (type->base_type) << 24);
+ encoded.strct.length = MIN2(type->length, 0xfffff);
+ encoded.strct.explicit_alignment =
+ MIN2(ffs(type->explicit_alignment), 0xf);
+ if (type->is_interface()) {
+ encoded.strct.interface_packing_or_packed = type->interface_packing;
+ encoded.strct.interface_row_major = type->interface_row_major;
+ } else {
+ encoded.strct.interface_packing_or_packed = type->packed;
+ }
+ blob_write_uint32(blob, encoded.u32);
blob_write_string(blob, type->name);
- blob_write_uint32(blob, type->length);
- size_t s_field_size, s_field_ptrs;
- get_struct_type_field_and_pointer_sizes(&s_field_size, &s_field_ptrs);
+ /* If we don't have enough bits for length, store it separately. */
+ if (encoded.strct.length == 0xfffff)
+ blob_write_uint32(blob, type->length);
+ if (encoded.strct.explicit_alignment == 0xf)
+ blob_write_uint32(blob, type->explicit_alignment);
- for (unsigned i = 0; i < type->length; i++) {
- encode_type_to_blob(blob, type->fields.structure[i].type);
- blob_write_string(blob, type->fields.structure[i].name);
-
- /* Write the struct field skipping the pointers */
- blob_write_bytes(blob,
- ((char *)&type->fields.structure[i]) + s_field_ptrs,
- s_field_size - s_field_ptrs);
- }
-
- if (type->is_interface()) {
- blob_write_uint32(blob, type->interface_packing);
- blob_write_uint32(blob, type->interface_row_major);
- }
+ for (unsigned i = 0; i < type->length; i++)
+ encode_glsl_struct_field(blob, &type->fields.structure[i]);
return;
case GLSL_TYPE_VOID:
- encoding = (type->base_type << 24);
break;
case GLSL_TYPE_ERROR:
default:
assert(!"Cannot encode type!");
- encoding = 0;
+ encoded.u32 = 0;
break;
}
- blob_write_uint32(blob, encoding);
+ blob_write_uint32(blob, encoded.u32);
}
const glsl_type *
decode_type_from_blob(struct blob_reader *blob)
{
- uint32_t u = blob_read_uint32(blob);
+ union packed_type encoded;
+ encoded.u32 = blob_read_uint32(blob);
- if (u == 0) {
+ if (encoded.u32 == 0) {
return NULL;
}
- glsl_base_type base_type = (glsl_base_type) (u >> 24);
+ glsl_base_type base_type = (glsl_base_type)encoded.basic.base_type;
switch (base_type) {
case GLSL_TYPE_UINT:
case GLSL_TYPE_UINT64:
case GLSL_TYPE_INT64:
case GLSL_TYPE_BOOL: {
- unsigned explicit_stride = blob_read_uint32(blob);
- return glsl_type::get_instance(base_type, (u >> 4) & 0x0f, u & 0x0f,
- explicit_stride, (u >> 10) & 0x1);
+ unsigned explicit_stride = encoded.basic.explicit_stride;
+ if (explicit_stride == 0xffff)
+ explicit_stride = blob_read_uint32(blob);
+ unsigned explicit_alignment = encoded.basic.explicit_alignment;
+ if (explicit_alignment == 0xf)
+ explicit_alignment = blob_read_uint32(blob);
+ else if (explicit_alignment > 0)
+ explicit_alignment = 1 << (explicit_alignment - 1);
+ uint32_t vector_elements = encoded.basic.vector_elements;
+ if (vector_elements == 5)
+ vector_elements = 8;
+ else if (vector_elements == 6)
+ vector_elements = 16;
+ return glsl_type::get_instance(base_type, encoded.basic.vector_elements,
+ encoded.basic.matrix_columns,
+ explicit_stride,
+ encoded.basic.interface_row_major,
+ explicit_alignment);
}
case GLSL_TYPE_SAMPLER:
- return glsl_type::get_sampler_instance((enum glsl_sampler_dim) ((u >> 4) & 0x0f),
- (u >> 3) & 0x01,
- (u >> 2) & 0x01,
- (glsl_base_type) ((u >> 0) & 0x03));
+ return glsl_type::get_sampler_instance((enum glsl_sampler_dim)encoded.sampler.dimensionality,
+ encoded.sampler.shadow,
+ encoded.sampler.array,
+ (glsl_base_type) encoded.sampler.sampled_type);
case GLSL_TYPE_SUBROUTINE:
return glsl_type::get_subroutine_instance(blob_read_string(blob));
case GLSL_TYPE_IMAGE:
- return glsl_type::get_image_instance((enum glsl_sampler_dim) ((u >> 3) & 0x0f),
- (u >> 2) & 0x01,
- (glsl_base_type) ((u >> 0) & 0x03));
+ return glsl_type::get_image_instance((enum glsl_sampler_dim)encoded.sampler.dimensionality,
+ encoded.sampler.array,
+ (glsl_base_type) encoded.sampler.sampled_type);
case GLSL_TYPE_ATOMIC_UINT:
return glsl_type::atomic_uint_type;
case GLSL_TYPE_ARRAY: {
- unsigned length = blob_read_uint32(blob);
- unsigned explicit_stride = blob_read_uint32(blob);
+ unsigned length = encoded.array.length;
+ if (length == 0x1fff)
+ length = blob_read_uint32(blob);
+ unsigned explicit_stride = encoded.array.explicit_stride;
+ if (explicit_stride == 0x3fff)
+ explicit_stride = blob_read_uint32(blob);
return glsl_type::get_array_instance(decode_type_from_blob(blob),
length, explicit_stride);
}
case GLSL_TYPE_STRUCT:
case GLSL_TYPE_INTERFACE: {
char *name = blob_read_string(blob);
- unsigned num_fields = blob_read_uint32(blob);
-
- size_t s_field_size, s_field_ptrs;
- get_struct_type_field_and_pointer_sizes(&s_field_size, &s_field_ptrs);
+ unsigned num_fields = encoded.strct.length;
+ if (num_fields == 0xfffff)
+ num_fields = blob_read_uint32(blob);
+ unsigned explicit_alignment = encoded.strct.explicit_alignment;
+ if (explicit_alignment == 0xf)
+ explicit_alignment = blob_read_uint32(blob);
+ else if (explicit_alignment > 0)
+ explicit_alignment = 1 << (explicit_alignment - 1);
glsl_struct_field *fields =
- (glsl_struct_field *) malloc(s_field_size * num_fields);
- for (unsigned i = 0; i < num_fields; i++) {
- fields[i].type = decode_type_from_blob(blob);
- fields[i].name = blob_read_string(blob);
-
- blob_copy_bytes(blob, ((uint8_t *) &fields[i]) + s_field_ptrs,
- s_field_size - s_field_ptrs);
- }
+ (glsl_struct_field *) malloc(sizeof(glsl_struct_field) * num_fields);
+ for (unsigned i = 0; i < num_fields; i++)
+ decode_glsl_struct_field_from_blob(blob, &fields[i]);
const glsl_type *t;
if (base_type == GLSL_TYPE_INTERFACE) {
+ assert(explicit_alignment == 0);
enum glsl_interface_packing packing =
- (glsl_interface_packing) blob_read_uint32(blob);
- bool row_major = blob_read_uint32(blob);
+ (glsl_interface_packing) encoded.strct.interface_packing_or_packed;
+ bool row_major = encoded.strct.interface_row_major;
t = glsl_type::get_interface_instance(fields, num_fields, packing,
row_major, name);
} else {
- t = glsl_type::get_record_instance(fields, num_fields, name);
+ unsigned packed = encoded.strct.interface_packing_or_packed;
+ t = glsl_type::get_struct_instance(fields, num_fields, name, packed,
+ explicit_alignment);
}
free(fields);
return NULL;
}
}
+
+unsigned
+glsl_type::cl_alignment() const
+{
+ /* vectors unlike arrays are aligned to their size */
+ if (this->is_scalar() || this->is_vector())
+ return this->cl_size();
+ else if (this->is_array())
+ return this->without_array()->cl_alignment();
+ else if (this->is_struct()) {
+ /* Packed Structs are 0x1 aligned despite their size. */
+ if (this->packed)
+ return 1;
+
+ unsigned res = 1;
+ for (unsigned i = 0; i < this->length; ++i) {
+ struct glsl_struct_field &field = this->fields.structure[i];
+ res = MAX2(res, field.type->cl_alignment());
+ }
+ return res;
+ }
+ return 1;
+}
+
+unsigned
+glsl_type::cl_size() const
+{
+ if (this->is_scalar() || this->is_vector()) {
+ return util_next_power_of_two(this->vector_elements) *
+ explicit_type_scalar_byte_size(this);
+ } else if (this->is_array()) {
+ unsigned size = this->without_array()->cl_size();
+ return size * this->length;
+ } else if (this->is_struct()) {
+ unsigned size = 0;
+ for (unsigned i = 0; i < this->length; ++i) {
+ struct glsl_struct_field &field = this->fields.structure[i];
+ /* if a struct is packed, members don't get aligned */
+ if (!this->packed)
+ size = align(size, field.type->cl_alignment());
+ size += field.type->cl_size();
+ }
+ return size;
+ }
+ return 1;
+}
+
+extern "C" {
+
+int
+glsl_get_sampler_dim_coordinate_components(enum glsl_sampler_dim dim)
+{
+ switch (dim) {
+ case GLSL_SAMPLER_DIM_1D:
+ case GLSL_SAMPLER_DIM_BUF:
+ return 1;
+ case GLSL_SAMPLER_DIM_2D:
+ case GLSL_SAMPLER_DIM_RECT:
+ case GLSL_SAMPLER_DIM_MS:
+ case GLSL_SAMPLER_DIM_EXTERNAL:
+ case GLSL_SAMPLER_DIM_SUBPASS:
+ case GLSL_SAMPLER_DIM_SUBPASS_MS:
+ return 2;
+ case GLSL_SAMPLER_DIM_3D:
+ case GLSL_SAMPLER_DIM_CUBE:
+ return 3;
+ default:
+ unreachable("Unknown sampler dim");
+ }
+}
+
+void
+glsl_print_type(FILE *f, const glsl_type *t)
+{
+ if (t->is_array()) {
+ fprintf(f, "(array ");
+ glsl_print_type(f, t->fields.array);
+ fprintf(f, " %u)", t->length);
+ } else if (t->is_struct() && !is_gl_identifier(t->name)) {
+ fprintf(f, "%s@%p", t->name, (void *) t);
+ } else {
+ fprintf(f, "%s", t->name);
+ }
+}
+
+}
projects / mesa.git / blobdiff