1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* texture.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/05/11 14:27:34 by charles #+# #+# */
/* Updated: 2020/05/11 16:19:56 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "scop.h"
uint8_t *st_read_bmp(char *filepath, size_t *width, size_t *height)
{
t_ftmem file;
if (ft_getfile(open(filepath, O_RDONLY), &file) == -1)
return (NULL);
*width = 0;
*height = 0;
return (file.data);
}
unsigned int texture_new(char *filepath)
{
uint8_t *data;
unsigned int texture;
size_t width;
size_t height;
if ((data = st_read_bmp(filepath, &width, &height)) == NULL)
return (0);
GL_CALL(glGenTextures(1, &texture));
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data));
free(data);
return (texture);
}
|
