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,
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)
{
base_type(base_type), sampled_type(type),
sampler_dimensionality(dim), sampler_shadow(shadow),
sampler_array(array), interface_packing(0),
- interface_row_major(0),
+ interface_row_major(0), packed(0),
length(0), explicit_stride(0)
{
this->mem_ctx = ralloc_context(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)
{
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)
{
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)
{
}
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);
_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)
{
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);
}
}
assert(columns > 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%uB%s", bare_type->name,
+ explicit_stride, row_major ? "RM" : "");
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (explicit_matrix_types == NULL) {
explicit_matrix_types =
* 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,
return (glsl_type *) entry->data;
}
+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_name,
- bool match_locations) const
+ bool match_locations, bool match_precision) const
{
if (this->length != b->length)
return false;
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 key(fields, num_fields, name, packed);
mtx_lock(&glsl_type::hash_mutex);
+ assert(glsl_type_users > 0);
if (struct_types == NULL) {
struct_types = _mesa_hash_table_create(NULL, record_key_hash,
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,
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,
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
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
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;
}
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
glsl_type::std430_size(bool row_major) const
{
}
}
+/* 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() || this->is_vector()) {
+ type_info(this, size, alignment);
+ return this;
+ } 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()) {
+ 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);
+ fields[i].offset = align(*size, field_align);
+
+ *size = fields[i].offset + field_size;
+ *alignment = MAX2(*alignment, field_align);
+ }
+
+ const glsl_type *type = glsl_type::get_struct_instance(fields, this->length, this->name, false);
+ 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;
+ *alignment = col_align;
+ return glsl_type::get_instance(this->base_type, this->vector_elements,
+ this->matrix_columns, stride, false);
+ } else {
+ unreachable("Unhandled type.");
+ }
+}
+
unsigned
glsl_type::count_attribute_slots(bool is_gl_vertex_input) const
{
sizeof(((glsl_struct_field *)0)->name);
}
+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:20;
+ } basic;
+ struct {
+ unsigned base_type:5;
+ unsigned dimensionality:4;
+ unsigned shadow:1;
+ unsigned array:1;
+ unsigned sampled_type:2;
+ unsigned _pad:19;
+ } 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:24;
+ } strct;
+};
+
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->vector_elements < 8);
+ assert(type->matrix_columns < 8);
+ encoded.basic.vector_elements = type->vector_elements;
+ encoded.basic.matrix_columns = type->matrix_columns;
+ encoded.basic.explicit_stride = MIN2(type->explicit_stride, 0xfffff);
+ blob_write_uint32(blob, encoded.u32);
+ /* If we don't have enough bits for explicit_stride, store it
+ * separately.
+ */
+ if (encoded.basic.explicit_stride == 0xfffff)
+ blob_write_uint32(blob, type->explicit_stride);
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, 0xffffff);
+ 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);
+
+ /* If we don't have enough bits for length, store it separately. */
+ if (encoded.strct.length == 0xffffff)
+ 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);
((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);
- } else {
- blob_write_uint32(blob, type->packed);
- }
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 == 0xfffff)
+ explicit_stride = blob_read_uint32(blob);
+ return glsl_type::get_instance(base_type, encoded.basic.vector_elements,
+ encoded.basic.matrix_columns,
+ explicit_stride,
+ encoded.basic.interface_row_major);
}
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);
+ unsigned num_fields = encoded.strct.length;
+ if (num_fields == 0xffffff)
+ 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);
const glsl_type *t;
if (base_type == GLSL_TYPE_INTERFACE) {
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 {
- unsigned packed = blob_read_uint32(blob);
+ unsigned packed = encoded.strct.interface_packing_or_packed;
t = glsl_type::get_struct_instance(fields, num_fields, name, packed);
}
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