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authortcmal <me@aria.rip>2024-08-25 17:44:23 +0100
committertcmal <me@aria.rip>2024-08-25 17:44:23 +0100
commit0353181306702c40ad0fe482b5c2b159b46794a4 (patch)
tree33acc6a9e8ea4705884cf93b78cf869008f71832 /stockton-skeleton/src/buffers/mod.rs
parent664f0b0777ba96298b29f0c753d52a81cbb233f1 (diff)
refactor(all): rename some crates
Diffstat (limited to 'stockton-skeleton/src/buffers/mod.rs')
-rw-r--r--stockton-skeleton/src/buffers/mod.rs63
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
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+++ 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<()>;
+}