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https://git.code.sf.net/p/quake/quakeforge
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4998968169
Access qualifiers aren't supported yet, and some of the image handling is a bit messy (currently tied to glsl when it should be general), but the basics are there. However, now I've got to sort out the execution model (need Fragment or GLCompute for ImplicitLod).
145 lines
4.2 KiB
C
145 lines
4.2 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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#include "QF/darray.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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typedef struct rua_ctx_s rua_ctx_t;
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void glsl_init_comp (rua_ctx_t *ctx);
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void glsl_init_vert (rua_ctx_t *ctx);
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void glsl_init_tesc (rua_ctx_t *ctx);
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void glsl_init_tese (rua_ctx_t *ctx);
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void glsl_init_geom (rua_ctx_t *ctx);
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void glsl_init_frag (rua_ctx_t *ctx);
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int glsl_parse_string (const char *str, rua_ctx_t *ctx);
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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 enum {
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glid_1d,
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glid_2d,
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glid_3d,
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glid_cube,
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glid_rect,
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glid_buffer,
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glid_subpassdata,
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} glsl_imagedim_t;
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typedef struct glsl_image_s {
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const type_t *sample_type;
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glsl_imagedim_t dim;
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char depth;
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bool arrayed;
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bool multisample;
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char sampled;
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unsigned format;
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uint32_t id;
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} glsl_image_t;
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typedef struct glsl_sampled_image_s {
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const type_t *image_type;
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} glsl_sampled_image_t;
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typedef struct DARRAY_TYPE (glsl_image_t) glsl_imageset_t;
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extern glsl_imageset_t glsl_imageset;
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extern type_t type_glsl_image;
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extern type_t type_glsl_sampler;
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extern type_t type_glsl_sampled_image;
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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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extern glsl_sublang_t glsl_sublang;
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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, rua_ctx_t *ctx);
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void glsl_declare_field (specifier_t spec, symtab_t *symtab, rua_ctx_t *ctx);
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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, rua_ctx_t *ctx);
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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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