lumen_engine_gpu/
update.rs

1use std::marker::PhantomData;
2
3use crate::{BufferId, NodeKey, TextureId};
4
5#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
6pub enum DynamicResource {
7    Texture(TextureId),
8    Buffer(BufferId),
9}
10
11#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
12pub struct ParamKey {
13    pub owner: NodeKey,
14    pub slot: u32,
15}
16
17#[derive(Debug, Clone, PartialEq, Eq)]
18pub enum ParamTarget {
19    Buffer(BufferId),
20    Texture(TextureId),
21}
22
23#[derive(Debug, Clone)]
24pub struct ParamSlot {
25    pub key: ParamKey,
26    pub target: ParamTarget,
27}
28
29#[derive(Debug, Clone)]
30pub enum Upload<'a> {
31    Buffer {
32        id: BufferId,
33        offset: u64,
34        data: &'a [u8],
35    },
36    TextureRgba8 {
37        id: TextureId,
38        data: &'a [u8],
39        bytes_per_row: u32,
40        rows_per_image: u32,
41    },
42    TextureRgba8Region {
43        id: TextureId,
44        data: &'a [u8],
45        origin: [u32; 3],
46        size: crate::Size,
47        bytes_per_row: u32,
48        rows_per_image: u32,
49    },
50    TextureRgba16Float {
51        id: TextureId,
52        data: &'a [u16],
53        bytes_per_row: u32,
54        rows_per_image: u32,
55    },
56}
57
58#[derive(Debug, Clone, Default)]
59pub struct FrameUpdate<'a> {
60    pub(crate) uploads: Vec<Upload<'a>>,
61    _marker: PhantomData<&'a ()>,
62}
63
64impl<'a> FrameUpdate<'a> {
65    pub fn new() -> Self {
66        Self::default()
67    }
68
69    pub fn uploads(&self) -> &[Upload<'a>] {
70        &self.uploads
71    }
72
73    pub fn write_buffer(&mut self, id: BufferId, offset: u64, data: &'a [u8]) -> &mut Self {
74        self.uploads.push(Upload::Buffer { id, offset, data });
75        self
76    }
77
78    pub fn write_texture_rgba8(
79        &mut self,
80        id: TextureId,
81        data: &'a [u8],
82        bytes_per_row: u32,
83        rows_per_image: u32,
84    ) -> &mut Self {
85        self.uploads.push(Upload::TextureRgba8 {
86            id,
87            data,
88            bytes_per_row,
89            rows_per_image,
90        });
91        self
92    }
93
94    pub fn write_texture_rgba8_region(
95        &mut self,
96        id: TextureId,
97        data: &'a [u8],
98        origin: [u32; 3],
99        size: crate::Size,
100        bytes_per_row: u32,
101        rows_per_image: u32,
102    ) -> &mut Self {
103        self.uploads.push(Upload::TextureRgba8Region {
104            id,
105            data,
106            origin,
107            size,
108            bytes_per_row,
109            rows_per_image,
110        });
111        self
112    }
113
114    pub fn write_texture_rgba16_float(
115        &mut self,
116        id: TextureId,
117        data: &'a [u16],
118        bytes_per_row: u32,
119        rows_per_image: u32,
120    ) -> &mut Self {
121        self.uploads.push(Upload::TextureRgba16Float {
122            id,
123            data,
124            bytes_per_row,
125            rows_per_image,
126        });
127        self
128    }
129}
lumen_engine_gpu/update.rs

lumen_engine_gpu/
update.rs
