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/*
* Copyright (C) 2018-2019 - Vito Caputo - <vcaputo@pengaru.com>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 as published
* by the Free Software Foundation.
*
* 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 _SHADER_H
#define _SHADER_H
typedef struct shader_t shader_t;
typedef struct shader_uniform_t {
char *name;
GLenum type;
int location;
} shader_uniform_t;
unsigned int shader_pair_new_bare(const char *vs_src, const char *fs_src);
shader_t * shader_pair_new(const char *vs_src, const char *fs_src, unsigned n_uniforms, const char **uniforms, unsigned n_attributes, const char **attributes);
shader_t * shader_pair_new_files(const char *vs_path, const char *fs_path, unsigned n_uniforms, const char **uniforms, unsigned n_attributes, const char **attributes);
void shader_ref(shader_t *shader);
shader_t * shader_free(shader_t *shader);
void shader_use(shader_t *shader, unsigned *res_n_uniforms, int **res_uniform_locations, unsigned *res_n_attributes, int **res_attribute_locations);
int shader_reload_files(shader_t *shader);
void shader_active_uniforms(shader_t *shader, int *res_n_uniforms, const shader_uniform_t **res_uniforms);
#endif
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