52 lines
1.5 KiB
Rust
52 lines
1.5 KiB
Rust
use ash::vk;
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use gpu_allocator::vulkan::{Allocation, AllocationCreateDesc, AllocationScheme, Allocator};
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use gpu_allocator::MemoryLocation;
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use parking_lot::Mutex;
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use ash::prelude::VkResult;
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use std::sync::Arc;
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pub struct VulkanImageMemory {
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allocation: Option<Allocation>,
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allocator: Arc<Mutex<Allocator>>,
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}
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impl VulkanImageMemory {
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pub fn new(
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device: &Arc<ash::Device>,
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allocator: &Arc<Mutex<Allocator>>,
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requirements: vk::MemoryRequirements,
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image: &vk::Image,
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) -> VkResult<VulkanImageMemory> {
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let allocation = allocator
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.lock()
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.allocate(&AllocationCreateDesc {
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name: "imagemem",
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requirements,
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location: MemoryLocation::GpuOnly,
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linear: false,
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allocation_scheme: AllocationScheme::DedicatedImage(*image),
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})
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.unwrap();
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unsafe {
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device.bind_image_memory(*image, allocation.memory(), 0)?;
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Ok(VulkanImageMemory {
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allocation: Some(allocation),
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allocator: Arc::clone(allocator),
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})
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}
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}
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}
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impl Drop for VulkanImageMemory {
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fn drop(&mut self) {
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let allocation = self.allocation.take();
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if let Some(allocation) = allocation {
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if let Err(e) = self.allocator.lock().free(allocation) {
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println!("librashader-runtime-vk: [warn] failed to deallocate image buffer {e}")
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}
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}
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}
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}
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