quakeforge/tools/qfcc/include/glsl-lang.h
Bill Currie 6358143795 [qfcc] Clean up the local_expr global
I never liked it and it made things a little difficult for spir-v.
2024-11-04 16:38:07 +09:00

111 lines
3.4 KiB
C

/*
glsl-lang.h
Shared stuff for glsl
Copyright (C) 2024 Bill Currie <bill@taniwha.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __glsl_lang_h
#define __glsl_lang_h
typedef struct specifier_s specifier_t;
typedef struct attribute_s attribute_t;
typedef struct expr_s expr_t;
typedef struct ex_list_s ex_list_t;
typedef struct type_s type_t;
typedef struct symbol_s symbol_t;
typedef struct symtab_s symtab_t;
typedef struct language_s language_t;
typedef struct defspace_s defspace_t;
void glsl_init_comp (void);
void glsl_init_vert (void);
void glsl_init_tesc (void);
void glsl_init_tese (void);
void glsl_init_geom (void);
void glsl_init_frag (void);
int glsl_parse_string (const char *str);
extern language_t lang_glsl_comp;
extern language_t lang_glsl_vert;
extern language_t lang_glsl_tesc;
extern language_t lang_glsl_tese;
extern language_t lang_glsl_geom;
extern language_t lang_glsl_frag;
typedef enum glsl_interface_e : unsigned {
glsl_in,
glsl_out,
glsl_uniform,
glsl_buffer,
glsl_shared,
glsl_num_interfaces
} glsl_interface_t;
#define glsl_iftype_from_sc(sc) ((glsl_interface_t)((sc) - sc_in))
#define glsl_sc_from_iftype(it) (((storage_class_t)(it)) + sc_in)
extern const char *glsl_interface_names[glsl_num_interfaces];
typedef struct glsl_block_s {
struct glsl_block_s *next;
symbol_t *name;
glsl_interface_t interface;
symtab_t *attributes;
symtab_t *members;
defspace_t *space;
symbol_t *instance_name;
} glsl_block_t;
typedef struct glsl_sublang_s {
const char *name;
const char **interface_default_names;
} glsl_sublang_t;
#define glsl_sublang (*(glsl_sublang_t *) current_language.sublanguage)
extern glsl_sublang_t glsl_comp_sublanguage;
extern glsl_sublang_t glsl_vert_sublanguage;
extern glsl_sublang_t glsl_tesc_sublanguage;
extern glsl_sublang_t glsl_tese_sublanguage;
extern glsl_sublang_t glsl_geom_sublanguage;
extern glsl_sublang_t glsl_frag_sublanguage;
void glsl_block_clear (void);
glsl_block_t *glsl_create_block (specifier_t spec, symbol_t *block_sym);
void glsl_finish_block (glsl_block_t *block, specifier_t spec);
void glsl_declare_block_instance (glsl_block_t *block, symbol_t *instance_name);
glsl_block_t *glsl_get_block (const char *name, glsl_interface_t interface);
symtab_t *glsl_optimize_attributes (attribute_t *attributes);
void glsl_apply_attributes (symtab_t *attributes, specifier_t spec);
void glsl_parse_declaration (specifier_t spec, symbol_t *sym,
const expr_t *init, symtab_t *symtab,
expr_t *block);
void glsl_declare_field (specifier_t spec, symtab_t *symtab);
void glsl_layout (const ex_list_t *qualifiers, specifier_t spec);
bool glsl_on_include (const char *name);
void glsl_include (int behavior, void *scanner);
void glsl_multiview (int behavior, void *scanner);
#endif//__glsl_lang_h