#include <cstdio>
#include <stdlib.h>
+#include "main/core.h" /* for Elements */
#include "glsl_symbol_table.h"
#include "glsl_parser_extras.h"
#include "glsl_types.h"
#include "builtin_types.h"
extern "C" {
-#include "hash_table.h"
+#include "program/hash_table.h"
}
hash_table *glsl_type::array_types = NULL;
+hash_table *glsl_type::record_types = NULL;
+void *glsl_type::mem_ctx = NULL;
+
+void
+glsl_type::init_talloc_type_ctx(void)
+{
+ if (glsl_type::mem_ctx == NULL) {
+ glsl_type::mem_ctx = talloc_autofree_context();
+ assert(glsl_type::mem_ctx != NULL);
+ }
+}
glsl_type::glsl_type(GLenum gl_type,
unsigned base_type, unsigned vector_elements,
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
sampler_type(0),
vector_elements(vector_elements), matrix_columns(matrix_columns),
- name(name),
length(0)
{
+ init_talloc_type_ctx();
+ this->name = talloc_strdup(this->mem_ctx, name);
/* Neither dimension is zero or both dimensions are zero.
*/
assert((vector_elements == 0) == (matrix_columns == 0));
sampler_dimensionality(dim), sampler_shadow(shadow),
sampler_array(array), sampler_type(type),
vector_elements(0), matrix_columns(0),
- name(name),
length(0)
{
+ init_talloc_type_ctx();
+ this->name = talloc_strdup(this->mem_ctx, name);
memset(& fields, 0, sizeof(fields));
}
+glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
+ const char *name) :
+ base_type(GLSL_TYPE_STRUCT),
+ sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
+ sampler_type(0),
+ vector_elements(0), matrix_columns(0),
+ length(num_fields)
+{
+ unsigned int i;
+
+ init_talloc_type_ctx();
+ this->name = talloc_strdup(this->mem_ctx, name);
+ this->fields.structure = talloc_array(this->mem_ctx,
+ glsl_struct_field, length);
+ for (i = 0; i < length; i++) {
+ this->fields.structure[i].type = fields[i].type;
+ this->fields.structure[i].name = talloc_strdup(this->fields.structure,
+ fields[i].name);
+ }
+}
+
static void
add_types_to_symbol_table(glsl_symbol_table *symtab,
const struct glsl_type *types,
}
}
-
void
-glsl_type::generate_110_types(glsl_symbol_table *symtab)
+glsl_type::generate_100ES_types(glsl_symbol_table *symtab)
{
add_types_to_symbol_table(symtab, builtin_core_types,
Elements(builtin_core_types),
add_types_to_symbol_table(symtab, builtin_structure_types,
Elements(builtin_structure_types),
false);
+ add_types_to_symbol_table(symtab, &void_type, 1, false);
+}
+
+void
+glsl_type::generate_110_types(glsl_symbol_table *symtab)
+{
+ generate_100ES_types(symtab);
+
+ add_types_to_symbol_table(symtab, builtin_110_types,
+ Elements(builtin_110_types),
+ false);
add_types_to_symbol_table(symtab, builtin_110_deprecated_structure_types,
Elements(builtin_110_deprecated_structure_types),
false);
- add_types_to_symbol_table(symtab, & void_type, 1, false);
}
add_types_to_symbol_table(symtab, builtin_130_types,
Elements(builtin_130_types), false);
+ generate_EXT_texture_array_types(symtab, false);
}
_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state)
{
switch (state->language_version) {
+ case 100:
+ assert(state->es_shader);
+ glsl_type::generate_100ES_types(state->symbols);
+ break;
case 110:
glsl_type::generate_110_types(state->symbols);
break;
}
-ir_function *
-glsl_type::generate_constructor(glsl_symbol_table *symtab) const
+void
+_mesa_glsl_release_types(void)
{
- void *ctx = symtab;
-
- /* Generate the function name and add it to the symbol table.
- */
- ir_function *const f = new(ctx) ir_function(name);
-
- bool added = symtab->add_function(name, f);
- assert(added);
-
- ir_function_signature *const sig = new(ctx) ir_function_signature(this);
- f->add_signature(sig);
-
- ir_variable **declarations =
- (ir_variable **) malloc(sizeof(ir_variable *) * this->length);
- for (unsigned i = 0; i < length; i++) {
- char *const param_name = (char *) malloc(10);
-
- snprintf(param_name, 10, "p%08X", i);
-
- ir_variable *var = (this->base_type == GLSL_TYPE_ARRAY)
- ? new(ctx) ir_variable(fields.array, param_name)
- : new(ctx) ir_variable(fields.structure[i].type, param_name);
-
- var->mode = ir_var_in;
- declarations[i] = var;
- sig->parameters.push_tail(var);
+ if (glsl_type::array_types != NULL) {
+ hash_table_dtor(glsl_type::array_types);
+ glsl_type::array_types = NULL;
}
- /* Generate the body of the constructor. The body assigns each of the
- * parameters to a portion of a local variable called __retval that has
- * the same type as the constructor. After initializing __retval,
- * __retval is returned.
- */
- ir_variable *retval = new(ctx) ir_variable(this, "__retval");
- sig->body.push_tail(retval);
-
- for (unsigned i = 0; i < length; i++) {
- ir_dereference *const lhs = (this->base_type == GLSL_TYPE_ARRAY)
- ? (ir_dereference *) new(ctx) ir_dereference_array(retval,
- new(ctx) ir_constant(i))
- : (ir_dereference *) new(ctx) ir_dereference_record(retval,
- fields.structure[i].name);
-
- ir_dereference *const rhs = new(ctx) ir_dereference_variable(declarations[i]);
- ir_instruction *const assign = new(ctx) ir_assignment(lhs, rhs, NULL);
-
- sig->body.push_tail(assign);
+ if (glsl_type::record_types != NULL) {
+ hash_table_dtor(glsl_type::record_types);
+ glsl_type::record_types = NULL;
}
-
- free(declarations);
-
- ir_dereference *const retref = new(ctx) ir_dereference_variable(retval);
- ir_instruction *const inst = new(ctx) ir_return(retref);
- sig->body.push_tail(inst);
-
- return f;
}
-glsl_type::glsl_type(void *ctx, const glsl_type *array, unsigned length) :
+glsl_type::glsl_type(const glsl_type *array, unsigned length) :
base_type(GLSL_TYPE_ARRAY),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
sampler_type(0),
name(NULL), length(length)
{
this->fields.array = array;
+ /* Inherit the gl type of the base. The GL type is used for
+ * uniform/statevar handling in Mesa and the arrayness of the type
+ * is represented by the size rather than the type.
+ */
+ this->gl_type = array->gl_type;
/* Allow a maximum of 10 characters for the array size. This is enough
* for 32-bits of ~0. The extra 3 are for the '[', ']', and terminating
* NUL.
*/
const unsigned name_length = strlen(array->name) + 10 + 3;
- char *const n = (char *) talloc_size(ctx, name_length);
+ char *const n = (char *) talloc_size(this->mem_ctx, name_length);
if (length == 0)
snprintf(n, name_length, "%s[]", array->name);
}
+const glsl_type *
+glsl_type::get_array_instance(const glsl_type *base, unsigned array_size)
+{
+
+ if (array_types == NULL) {
+ array_types = hash_table_ctor(64, hash_table_string_hash,
+ hash_table_string_compare);
+ }
+
+ /* Generate a name using the base type pointer in the key. This is
+ * done because the name of the base type may not be unique across
+ * shaders. For example, two shaders may have different record types
+ * named 'foo'.
+ */
+ char key[128];
+ snprintf(key, sizeof(key), "%p[%u]", (void *) base, array_size);
+
+ const glsl_type *t = (glsl_type *) hash_table_find(array_types, key);
+ if (t == NULL) {
+ t = new glsl_type(base, array_size);
+
+ hash_table_insert(array_types, (void *) t, talloc_strdup(mem_ctx, key));
+ }
+
+ assert(t->base_type == GLSL_TYPE_ARRAY);
+ assert(t->length == array_size);
+ assert(t->fields.array == base);
+
+ return t;
+}
+
+
int
-glsl_type::array_key_compare(const void *a, const void *b)
+glsl_type::record_key_compare(const void *a, const void *b)
{
const glsl_type *const key1 = (glsl_type *) a;
const glsl_type *const key2 = (glsl_type *) b;
/* Return zero is the types match (there is zero difference) or non-zero
* otherwise.
*/
- return ((key1->fields.array == key2->fields.array)
- && (key1->length == key2->length)) ? 0 : 1;
+ if (strcmp(key1->name, key2->name) != 0)
+ return 1;
+
+ if (key1->length != key2->length)
+ return 1;
+
+ for (unsigned i = 0; i < key1->length; i++) {
+ if (key1->fields.structure[i].type != key2->fields.structure[i].type)
+ return 1;
+ if (strcmp(key1->fields.structure[i].name,
+ key2->fields.structure[i].name) != 0)
+ return 1;
+ }
+
+ return 0;
}
unsigned
-glsl_type::array_key_hash(const void *a)
+glsl_type::record_key_hash(const void *a)
{
const glsl_type *const key = (glsl_type *) a;
+ char hash_key[128];
+ unsigned size = 0;
+
+ size = snprintf(hash_key, sizeof(hash_key), "%08x", key->length);
- const struct {
- const glsl_type *t;
- unsigned l;
- char nul;
- } hash_key = {
- key->fields.array,
- key->length,
- '\0'
- };
+ for (unsigned i = 0; i < key->length; i++) {
+ if (size >= sizeof(hash_key))
+ break;
+
+ size += snprintf(& hash_key[size], sizeof(hash_key) - size,
+ "%p", (void *) key->fields.structure[i].type);
+ }
return hash_table_string_hash(& hash_key);
}
const glsl_type *
-glsl_type::get_array_instance(void *ctx, const glsl_type *base,
- unsigned array_size)
+glsl_type::get_record_instance(const glsl_struct_field *fields,
+ unsigned num_fields,
+ const char *name)
{
- const glsl_type key(ctx, base, array_size);
+ const glsl_type key(fields, num_fields, name);
- if (array_types == NULL) {
- array_types = hash_table_ctor(64, array_key_hash, array_key_compare);
+ if (record_types == NULL) {
+ record_types = hash_table_ctor(64, record_key_hash, record_key_compare);
}
- const glsl_type *t = (glsl_type *) hash_table_find(array_types, & key);
+ const glsl_type *t = (glsl_type *) hash_table_find(record_types, & key);
if (t == NULL) {
- t = new(ctx) glsl_type(ctx, base, array_size);
+ t = new glsl_type(fields, num_fields, name);
- hash_table_insert(array_types, (void *) t, t);
+ hash_table_insert(record_types, (void *) t, t);
}
- assert(t->base_type == GLSL_TYPE_ARRAY);
- assert(t->length == array_size);
- assert(t->fields.array == base);
+ assert(t->base_type == GLSL_TYPE_STRUCT);
+ assert(t->length == num_fields);
+ assert(strcmp(t->name, name) == 0);
return t;
}