diff options
author | tcmal <me@aria.rip> | 2024-08-25 17:44:23 +0100 |
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committer | tcmal <me@aria.rip> | 2024-08-25 17:44:23 +0100 |
commit | 0353181306702c40ad0fe482b5c2b159b46794a4 (patch) | |
tree | 33acc6a9e8ea4705884cf93b78cf869008f71832 /stockton-skeleton/src/buffers/mod.rs | |
parent | 664f0b0777ba96298b29f0c753d52a81cbb233f1 (diff) |
refactor(all): rename some crates
Diffstat (limited to 'stockton-skeleton/src/buffers/mod.rs')
-rw-r--r-- | stockton-skeleton/src/buffers/mod.rs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/stockton-skeleton/src/buffers/mod.rs b/stockton-skeleton/src/buffers/mod.rs new file mode 100644 index 0000000..74c5aab --- /dev/null +++ b/stockton-skeleton/src/buffers/mod.rs @@ -0,0 +1,63 @@ +//! All sorts of buffers + +use std::ops::IndexMut; + +use crate::{error::EnvironmentError, types::*}; + +use anyhow::{Context, Result}; +use hal::{ + buffer::Usage, + memory::{Properties, SparseFlags}, + MemoryTypeId, +}; + +mod dedicated_image; +mod draw_buffers; +mod staged; + +pub use dedicated_image::*; +pub use draw_buffers::*; +pub use staged::*; + +/// Create a buffer of the given specifications, allocating more device memory. +// TODO: Use a different memory allocator? +pub(crate) fn create_buffer( + device: &mut DeviceT, + adapter: &Adapter, + usage: Usage, + properties: Properties, + size: u64, +) -> Result<(BufferT, MemoryT)> { + let mut buffer = unsafe { device.create_buffer(size, usage, SparseFlags::empty()) } + .context("Error creating buffer")?; + + let requirements = unsafe { device.get_buffer_requirements(&buffer) }; + let memory_type_id = adapter + .physical_device + .memory_properties() + .memory_types + .iter() + .enumerate() + .find(|&(id, memory_type)| { + requirements.type_mask & (1 << id) != 0 && memory_type.properties.contains(properties) + }) + .map(|(id, _)| MemoryTypeId(id)) + .ok_or(EnvironmentError::NoMemoryTypes)?; + + let memory = unsafe { device.allocate_memory(memory_type_id, requirements.size) } + .context("Error allocating memory")?; + + unsafe { device.bind_buffer_memory(&memory, 0, &mut buffer) } + .context("Error binding memory to buffer")?; + + Ok((buffer, memory)) +} + +/// A buffer that can be modified by the CPU +pub trait ModifiableBuffer: IndexMut<usize> { + /// Get a handle to the underlying GPU buffer + fn get_buffer(&mut self) -> &BufferT; + + /// Record the command(s) required to commit changes to this buffer to the given command buffer. + fn record_commit_cmds(&mut self, cmd_buffer: &mut CommandBufferT) -> Result<()>; +} |