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