memkit_gpu/
staging.rs

1//! Staging buffer for CPU-GPU transfers.
2
3use crate::backend::MkGpuBackend;
4
5/// A staging buffer for CPU-GPU data transfers.
6pub struct MkStagingBuffer<B: MkGpuBackend> {
7    handle: B::BufferHandle,
8    size: usize,
9}
10
11impl<B: MkGpuBackend> MkStagingBuffer<B> {
12    /// Create a new staging buffer.
13    pub(crate) fn new(handle: B::BufferHandle, size: usize) -> Self {
14        Self { handle, size }
15    }
16
17    /// Get the buffer size in bytes.
18    pub fn size(&self) -> usize {
19        self.size
20    }
21    
22    /// Get the native buffer handle.
23    pub fn handle(&self) -> &B::BufferHandle {
24        &self.handle
25    }
26}
27
28/// Errors that can occur with staging buffers.
29#[derive(Debug)]
30pub enum StagingError {
31    DataTooLarge,
32    NotMapped,
33    MapFailed,
34}
35
36impl std::fmt::Display for StagingError {
37    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
38        match self {
39            StagingError::DataTooLarge => write!(f, "Data too large for staging buffer"),
40            StagingError::NotMapped => write!(f, "Buffer not mapped"),
41            StagingError::MapFailed => write!(f, "Failed to map buffer"),
42        }
43    }
44}
45
46impl std::error::Error for StagingError {}
memkit_gpu/staging.rs

memkit_gpu/
staging.rs
