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
|
#include "include/texture.h"
enum honey_texture_result honey_texture_new(honey_texture* texture,
char* texture_path,
bool alpha_channel) {
unsigned int texture_id;
glGenTextures(1, &texture_id);
glBindTexture(GL_TEXTURE_2D, texture_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
int width, height, channels;
unsigned char* image_data = stbi_load(texture_path, &width, &height, &channels, 0);
if (image_data == NULL) {
fprintf(stderr, "ERROR: failed to load '%s'\n", texture_path);
return TEXTURE_FAILED;
}
if (alpha_channel) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, image_data);
}
else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, image_data);
}
glGenerateMipmap(GL_TEXTURE_2D);
stbi_image_free(image_data);
(*texture).texture_id = texture_id;
(*texture).width = width;
(*texture).height = height;
(*texture).channels = channels;
return TEXTURE_OK;
}
|
