three_d/core/texture/
depth_texture_cube_map.rs

1use crate::core::texture::*;
2
3///
4/// A depth texture cube map that can be rendered into and read from. See also [RenderTarget] and [DepthTarget].
5///
6pub struct DepthTextureCubeMap {
7    context: Context,
8    id: crate::context::Texture,
9    width: u32,
10    height: u32,
11}
12
13impl DepthTextureCubeMap {
14    ///
15    /// Creates a new depth texture cube map.
16    ///
17    pub fn new<T: DepthTextureDataType>(
18        context: &Context,
19        width: u32,
20        height: u32,
21        wrap_s: Wrapping,
22        wrap_t: Wrapping,
23        wrap_r: Wrapping,
24    ) -> Self {
25        let id = generate(context);
26        let texture = Self {
27            context: context.clone(),
28            id,
29            width,
30            height,
31        };
32        texture.bind();
33        set_parameters(
34            context,
35            crate::context::TEXTURE_CUBE_MAP,
36            Interpolation::Nearest,
37            Interpolation::Nearest,
38            None,
39            wrap_s,
40            wrap_t,
41            Some(wrap_r),
42        );
43        unsafe {
44            context.tex_storage_2d(
45                crate::context::TEXTURE_CUBE_MAP,
46                1,
47                T::internal_format(),
48                width as i32,
49                height as i32,
50            );
51        }
52        texture
53    }
54
55    ///
56    /// Returns a [DepthTarget] which can be used to clear, write to and read from the given side of this texture.
57    /// Combine this together with a [ColorTarget] with [RenderTarget::new] to be able to write to both a depth and color target at the same time.
58    ///
59    pub fn as_depth_target(&mut self, side: CubeMapSide) -> DepthTarget<'_> {
60        DepthTarget::new_texture_cube_map(&self.context, self, side)
61    }
62
63    /// The width of this texture.
64    pub fn width(&self) -> u32 {
65        self.width
66    }
67
68    /// The height of this texture.
69    pub fn height(&self) -> u32 {
70        self.height
71    }
72
73    pub(in crate::core) fn bind_as_depth_target(&self, side: CubeMapSide) {
74        unsafe {
75            self.context.framebuffer_texture_2d(
76                crate::context::DRAW_FRAMEBUFFER,
77                crate::context::DEPTH_ATTACHMENT,
78                side.to_const(),
79                Some(self.id),
80                0,
81            );
82        }
83    }
84
85    pub(in crate::core) fn bind(&self) {
86        unsafe {
87            self.context
88                .bind_texture(crate::context::TEXTURE_CUBE_MAP, Some(self.id));
89        }
90    }
91}
92
93impl Drop for DepthTextureCubeMap {
94    fn drop(&mut self) {
95        unsafe {
96            self.context.delete_texture(self.id);
97        }
98    }
99}
three_d/core/texture/depth_texture_cube_map.rs

three_d/core/texture/
depth_texture_cube_map.rs
