base_ui/graphics/
texture.rs

1use gl::types::*;
2
3pub struct Texture {
4    id: GLuint,
5}
6
7impl Texture {
8    pub fn new() -> Self {
9        let mut id = 0;
10        unsafe {
11            gl::GenTextures(1, &mut id);
12        }
13        Self { id }
14    }
15
16    pub fn bind(&self) {
17        unsafe {
18            gl::BindTexture(gl::TEXTURE_2D, self.id);
19        }
20    }
21
22    pub fn upload_data(&self, width: i32, height: i32, data: &[u8]) {
23        unsafe {
24            gl::BindTexture(gl::TEXTURE_2D, self.id);
25
26            // 텍스처 파라미터 설정
27            gl::TexParameteri(gl::TEXTURE_2D, gl::TEXTURE_WRAP_S, gl::CLAMP_TO_EDGE as i32);
28            gl::TexParameteri(gl::TEXTURE_2D, gl::TEXTURE_WRAP_T, gl::CLAMP_TO_EDGE as i32);
29            gl::TexParameteri(gl::TEXTURE_2D, gl::TEXTURE_MIN_FILTER, gl::LINEAR as i32);
30            gl::TexParameteri(gl::TEXTURE_2D, gl::TEXTURE_MAG_FILTER, gl::LINEAR as i32);
31
32            // 1바이트 정렬 보장
33            gl::PixelStorei(gl::UNPACK_ALIGNMENT, 1);
34
35            // 텍스처 데이터 업로드
36            gl::TexImage2D(
37                gl::TEXTURE_2D,
38                0,
39                gl::RED as i32,
40                width,
41                height,
42                0,
43                gl::RED,
44                gl::UNSIGNED_BYTE,
45                data.as_ptr() as *const _
46            );
47        }
48    }
49}
50
51impl Drop for Texture {
52    fn drop(&mut self) {
53        unsafe {
54            gl::DeleteTextures(1, &self.id);
55        }
56    }
57}
base_ui/graphics/texture.rs

base_ui/graphics/
texture.rs
