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-rw-r--r--mesalib/src/mapi/glapi/gen/gl_enums.py96
1 files changed, 25 insertions, 71 deletions
diff --git a/mesalib/src/mapi/glapi/gen/gl_enums.py b/mesalib/src/mapi/glapi/gen/gl_enums.py
index 806d38445..0214932b6 100644
--- a/mesalib/src/mapi/glapi/gen/gl_enums.py
+++ b/mesalib/src/mapi/glapi/gen/gl_enums.py
@@ -47,8 +47,8 @@ class PrintGlEnums(gl_XML.gl_print_base):
print '#include "main/imports.h"'
print '#include "main/mtypes.h"'
print ''
- print 'typedef struct {'
- print ' size_t offset;'
+ print 'typedef struct PACKED {'
+ print ' uint16_t offset;'
print ' int n;'
print '} enum_elt;'
print ''
@@ -59,33 +59,18 @@ class PrintGlEnums(gl_XML.gl_print_base):
typedef int (*cfunc)(const void *, const void *);
/**
- * Compare a key name to an element in the \c all_enums array.
+ * Compare a key enum value to an element in the \c enum_string_table_offsets array.
*
* \c bsearch always passes the key as the first parameter and the pointer
* to the array element as the second parameter. We can elimiate some
* extra work by taking advantage of that fact.
*
* \param a Pointer to the desired enum name.
- * \param b Pointer to an element of the \c all_enums array.
+ * \param b Pointer into the \c enum_string_table_offsets array.
*/
-static int compar_name( const char *a, const enum_elt *b )
+static int compar_nr( const int *a, enum_elt *b )
{
- return strcmp( a, & enum_string_table[ b->offset ] );
-}
-
-/**
- * Compare a key enum value to an element in the \c all_enums array.
- *
- * \c bsearch always passes the key as the first parameter and the pointer
- * to the array element as the second parameter. We can elimiate some
- * extra work by taking advantage of that fact.
- *
- * \param a Pointer to the desired enum name.
- * \param b Pointer to an index into the \c all_enums array.
- */
-static int compar_nr( const int *a, const unsigned *b )
-{
- return a[0] - all_enums[*b].n;
+ return a[0] - b->n;
}
@@ -93,15 +78,17 @@ static char token_tmp[20];
const char *_mesa_lookup_enum_by_nr( int nr )
{
- unsigned * i;
+ enum_elt *elt;
+
+ STATIC_ASSERT(sizeof(enum_string_table) < (1 << 16));
- i = (unsigned *) _mesa_bsearch(& nr, reduced_enums,
- Elements(reduced_enums),
- sizeof(reduced_enums[0]),
- (cfunc) compar_nr);
+ elt = _mesa_bsearch(& nr, enum_string_table_offsets,
+ Elements(enum_string_table_offsets),
+ sizeof(enum_string_table_offsets[0]),
+ (cfunc) compar_nr);
- if ( i != NULL ) {
- return & enum_string_table[ all_enums[ *i ].offset ];
+ if (elt != NULL) {
+ return &enum_string_table[elt->offset];
}
else {
/* this is not re-entrant safe, no big deal here */
@@ -147,20 +134,6 @@ _mesa_lookup_prim_by_nr(GLuint nr)
}
-int _mesa_lookup_enum_by_name( const char *symbol )
-{
- enum_elt * f = NULL;
-
- if ( symbol != NULL ) {
- f = (enum_elt *) _mesa_bsearch(symbol, all_enums,
- Elements(all_enums),
- sizeof( enum_elt ),
- (cfunc) compar_name);
- }
-
- return (f != NULL) ? f->n : -1;
-}
-
"""
return
@@ -170,56 +143,37 @@ int _mesa_lookup_enum_by_name( const char *symbol )
for api in api_list:
self.process_enums( api )
- keys = self.enum_table.keys()
- keys.sort()
-
- name_table = []
- enum_table = {}
+ enum_table = []
- for enum in keys:
+ for enum in sorted(self.enum_table.keys()):
low_pri = 9
+ best_name = ''
for [name, pri] in self.enum_table[ enum ]:
- name_table.append( [name, enum] )
-
if pri < low_pri:
low_pri = pri
- enum_table[enum] = name
-
+ best_name = name
- name_table.sort()
+ enum_table.append((enum, best_name))
string_offsets = {}
i = 0;
print 'LONGSTRING static const char enum_string_table[] = '
- for [name, enum] in name_table:
+ for enum, name in enum_table:
print ' "%s\\0"' % (name)
- string_offsets[ name ] = i
+ string_offsets[ enum ] = i
i += len(name) + 1
print ' ;'
print ''
- print 'static const enum_elt all_enums[%u] =' % (len(name_table))
+ print 'static const enum_elt enum_string_table_offsets[%u] =' % (len(enum_table))
print '{'
- for [name, enum] in name_table:
- print ' { %5u, 0x%08X }, /* %s */' % (string_offsets[name], enum, name)
+ for enum, name in enum_table:
+ print ' { %5u, 0x%08X }, /* %s */' % (string_offsets[enum], enum, name)
print '};'
print ''
- print 'static const unsigned reduced_enums[%u] =' % (len(keys))
- print '{'
- for enum in keys:
- name = enum_table[ enum ]
- if [name, enum] not in name_table:
- print ' /* Error! %s, 0x%04x */ 0,' % (name, enum)
- else:
- i = name_table.index( [name, enum] )
-
- print ' %4u, /* %s */' % (i, name)
- print '};'
-
-
self.print_code()
return