40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#include "Cubemap.hpp"
|
|
#include "gl_util.hpp"
|
|
|
|
#include <GL/glew.h>
|
|
|
|
Cubemap::Cubemap(uint width, uint height, ImageFormat imageFormat)
|
|
: GLTexture(0, width, height)
|
|
{
|
|
glGenTextures(1, &id);
|
|
glBindTexture(GL_TEXTURE_CUBE_MAP, id);
|
|
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
|
|
|
|
uint format = gl::to_glenum(imageFormat);
|
|
for (uint face = 0; face < 6; face++) {
|
|
glTexImage2D(
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_X + face,
|
|
0,
|
|
format,
|
|
width,
|
|
height,
|
|
0,
|
|
format,
|
|
GL_UNSIGNED_BYTE,
|
|
NULL
|
|
);
|
|
}
|
|
}
|
|
|
|
void Cubemap::bind() const {
|
|
glBindTexture(GL_TEXTURE_CUBE_MAP, id);
|
|
}
|
|
|
|
void Cubemap::unbind() const {
|
|
glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
|
|
}
|