obs-studio/libobs-opengl/gl-shaderparser.h

53 lines
1.7 KiB
C

/******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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 3 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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#ifndef GL_SHADER_PARSER_H
#define GL_SHADER_PARSER_H
/*
* Parses shaders into GLSL. Shaders are almost identical to HLSL
* model 5 so it requires quite a bit of tweaking to convert correctly.
* Takes the parsed shader data, and builds a GLSL string out of it.
*/
#include "util/dstr.h"
#include "graphics/shader-parser.h"
struct gl_shader_parser {
struct dstr gl_string;
struct shader_parser parser;
DARRAY(uint32_t) texture_samplers;
};
static inline void gl_shader_parser_init(struct gl_shader_parser *glsp)
{
shader_parser_init(&glsp->parser);
dstr_init(&glsp->gl_string);
}
static inline void gl_shader_parser_free(struct gl_shader_parser *glsp)
{
dstr_free(&glsp->gl_string);
shader_parser_free(&glsp->parser);
}
extern bool gl_shader_parse(struct gl_shader_parser *glsp,
const char *shader_str, const char *file);
#endif