rt(vk): switch from an rwlock to a mutex for allocator

librashader-runtime-vk/src/draw_quad.rs

@@ -4,7 +4,7 @@ use array_concat::concat_arrays;
 use ash::vk;
 use gpu_allocator::vulkan::Allocator;
 use librashader_runtime::quad::{QuadType, VertexInput};
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::sync::Arc;
 
 const OFFSCREEN_VBO_DATA: [VertexInput; 4] = [
@@ -54,7 +54,7 @@ pub struct DrawQuad {
 impl DrawQuad {
     pub fn new(
         device: &Arc<ash::Device>,
-        allocator: &Arc<RwLock<Allocator>>,
+        allocator: &Arc<Mutex<Allocator>>,
     ) -> error::Result<DrawQuad> {
         let mut buffer = VulkanBuffer::new(
             device,

librashader-runtime-vk/src/filter_chain.rs

@@ -26,7 +26,7 @@ use librashader_runtime::binding::BindingUtil;
 use librashader_runtime::image::{Image, ImageError, UVDirection, BGRA8};
 use librashader_runtime::quad::QuadType;
 use librashader_runtime::uniforms::UniformStorage;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::collections::VecDeque;
 use std::convert::Infallible;
 use std::path::Path;
@@ -43,7 +43,7 @@ use rayon::prelude::*;
 /// A Vulkan device and metadata that is required by the shader runtime.
 pub struct VulkanObjects {
     pub(crate) device: Arc<ash::Device>,
-    pub(crate) alloc: Arc<RwLock<Allocator>>,
+    pub(crate) alloc: Arc<Mutex<Allocator>>,
     queue: vk::Queue,
     // pub(crate) memory_properties: vk::PhysicalDeviceMemoryProperties,
 }

librashader-runtime-vk/src/memory.rs

@@ -4,7 +4,7 @@ use ash::vk;
 use gpu_allocator::vulkan::{Allocation, AllocationCreateDesc, AllocationScheme, Allocator};
 use gpu_allocator::MemoryLocation;
 use librashader_runtime::uniforms::UniformStorageAccess;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 
 use std::ffi::c_void;
 use std::mem::ManuallyDrop;
@@ -14,17 +14,17 @@ use std::sync::Arc;
 
 pub struct VulkanImageMemory {
     allocation: Option<Allocation>,
-    allocator: Arc<RwLock<Allocator>>,
+    allocator: Arc<Mutex<Allocator>>,
 }
 
 impl VulkanImageMemory {
     pub fn new(
         device: &Arc<ash::Device>,
-        allocator: &Arc<RwLock<Allocator>>,
+        allocator: &Arc<Mutex<Allocator>>,
         requirements: vk::MemoryRequirements,
         image: &vk::Image,
     ) -> error::Result<VulkanImageMemory> {
-        let allocation = allocator.write().allocate(&AllocationCreateDesc {
+        let allocation = allocator.lock().allocate(&AllocationCreateDesc {
             name: "imagemem",
             requirements,
             location: MemoryLocation::GpuOnly,
@@ -46,7 +46,7 @@ impl Drop for VulkanImageMemory {
     fn drop(&mut self) {
         let allocation = self.allocation.take();
         if let Some(allocation) = allocation {
-            if let Err(e) = self.allocator.write().free(allocation) {
+            if let Err(e) = self.allocator.lock().free(allocation) {
                 println!("librashader-runtime-vk: [warn] failed to deallocate image buffer {e}")
             }
         }
@@ -57,14 +57,14 @@ pub struct VulkanBuffer {
     pub handle: vk::Buffer,
     device: Arc<ash::Device>,
     memory: Option<Allocation>,
-    allocator: Arc<RwLock<Allocator>>,
+    allocator: Arc<Mutex<Allocator>>,
     size: vk::DeviceSize,
 }
 
 impl VulkanBuffer {
     pub fn new(
         device: &Arc<ash::Device>,
-        allocator: &Arc<RwLock<Allocator>>,
+        allocator: &Arc<Mutex<Allocator>>,
         usage: vk::BufferUsageFlags,
         size: usize,
     ) -> error::Result<VulkanBuffer> {
@@ -77,7 +77,7 @@ impl VulkanBuffer {
 
             let memory_reqs = device.get_buffer_memory_requirements(buffer);
 
-            let alloc = allocator.write().allocate(&AllocationCreateDesc {
+            let alloc = allocator.lock().allocate(&AllocationCreateDesc {
                 name: "buffer",
                 requirements: memory_reqs,
                 location: MemoryLocation::CpuToGpu,
@@ -113,7 +113,7 @@ impl Drop for VulkanBuffer {
     fn drop(&mut self) {
         unsafe {
             if let Some(allocation) = self.memory.take() {
-                if let Err(e) = self.allocator.write().free(allocation) {
+                if let Err(e) = self.allocator.lock().free(allocation) {
                     println!(
                         "librashader-runtime-vk: [warn] failed to deallocate buffer memory {e}"
                     )
@@ -141,7 +141,7 @@ pub struct RawVulkanBuffer {
 impl RawVulkanBuffer {
     pub fn new(
         device: &Arc<ash::Device>,
-        allocator: &Arc<RwLock<Allocator>>,
+        allocator: &Arc<Mutex<Allocator>>,
         usage: vk::BufferUsageFlags,
         size: usize,
     ) -> error::Result<Self> {

librashader-runtime-vk/src/texture.rs

@@ -3,7 +3,7 @@ use crate::memory::VulkanImageMemory;
 use crate::{error, util};
 use ash::vk;
 use gpu_allocator::vulkan::Allocator;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::sync::Arc;
 
 use crate::error::FilterChainError;
@@ -13,7 +13,7 @@ use librashader_runtime::scaling::{MipmapSize, ScaleFramebuffer, ViewportSize};
 
 pub struct OwnedImage {
     pub device: Arc<ash::Device>,
-    pub allocator: Arc<RwLock<Allocator>>,
+    pub allocator: Arc<Mutex<Allocator>>,
     pub image_view: vk::ImageView,
     pub image: VulkanImage,
     pub memory: VulkanImageMemory,
@@ -33,7 +33,7 @@ pub struct OwnedImageLayout {
 impl OwnedImage {
     fn new_internal(
         device: Arc<ash::Device>,
-        alloc: &Arc<RwLock<Allocator>>,
+        alloc: &Arc<Mutex<Allocator>>,
         size: Size<u32>,
         mut format: ImageFormat,
         max_miplevels: u32,

librashader-runtime-vk/src/util.rs

@@ -2,7 +2,7 @@ use ash::vk;
 use gpu_allocator::vulkan::{Allocator, AllocatorCreateDesc};
 
 use gpu_allocator::AllocationSizes;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::sync::Arc;
 
 use crate::error;
@@ -95,7 +95,7 @@ pub fn create_allocator(
     device: ash::Device,
     instance: ash::Instance,
     physical_device: vk::PhysicalDevice,
-) -> error::Result<Arc<RwLock<Allocator>>> {
+) -> error::Result<Arc<Mutex<Allocator>>> {
     let alloc = Allocator::new(&AllocatorCreateDesc {
         instance,
         device,
@@ -104,5 +104,5 @@ pub fn create_allocator(
         buffer_device_address: false,
         allocation_sizes: AllocationSizes::default(),
     })?;
-    Ok(Arc::new(RwLock::new(alloc)))
+    Ok(Arc::new(Mutex::new(alloc)))
 }

librashader-runtime-vk/tests/hello_triangle/memory.rs

@@ -1,25 +1,25 @@
 use ash::vk;
 use gpu_allocator::vulkan::{Allocation, AllocationCreateDesc, AllocationScheme, Allocator};
 use gpu_allocator::MemoryLocation;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 
 use ash::prelude::VkResult;
 use std::sync::Arc;
 
 pub struct VulkanImageMemory {
     allocation: Option<Allocation>,
-    allocator: Arc<RwLock<Allocator>>,
+    allocator: Arc<Mutex<Allocator>>,
 }
 
 impl VulkanImageMemory {
     pub fn new(
         device: &Arc<ash::Device>,
-        allocator: &Arc<RwLock<Allocator>>,
+        allocator: &Arc<Mutex<Allocator>>,
         requirements: vk::MemoryRequirements,
         image: &vk::Image,
     ) -> VkResult<VulkanImageMemory> {
         let allocation = allocator
-            .write()
+            .lock()
             .allocate(&AllocationCreateDesc {
                 name: "imagemem",
                 requirements,
@@ -43,7 +43,7 @@ impl Drop for VulkanImageMemory {
     fn drop(&mut self) {
         let allocation = self.allocation.take();
         if let Some(allocation) = allocation {
-            if let Err(e) = self.allocator.write().free(allocation) {
+            if let Err(e) = self.allocator.lock().free(allocation) {
                 println!("librashader-runtime-vk: [warn] failed to deallocate image buffer {e}")
             }
         }

librashader-runtime-vk/tests/hello_triangle/mod.rs

@@ -26,8 +26,8 @@ use vulkan_base::VulkanBase;
 use librashader_common::Viewport;
 
 use librashader_runtime_vk::options::FrameOptionsVulkan;
-use winit::event::{ElementState, Event, WindowEvent};
-use winit::event_loop::{ControlFlow, EventLoop, EventLoopBuilder};
+use winit::event::{Event, WindowEvent};
+use winit::event_loop::{EventLoop, EventLoopBuilder};
 use winit::platform::windows::EventLoopBuilderExtWindows;
 
 // Constants

librashader-runtime-vk/tests/hello_triangle/util.rs

@@ -2,7 +2,7 @@ use ash::vk;
 use gpu_allocator::vulkan::{Allocator, AllocatorCreateDesc};
 
 use gpu_allocator::AllocationSizes;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::sync::Arc;
 
 #[inline(always)]
@@ -50,7 +50,7 @@ pub fn create_allocator(
     device: ash::Device,
     instance: ash::Instance,
     physical_device: vk::PhysicalDevice,
-) -> Arc<RwLock<Allocator>> {
+) -> Arc<Mutex<Allocator>> {
     let alloc = Allocator::new(&AllocatorCreateDesc {
         instance,
         device,
@@ -60,5 +60,5 @@ pub fn create_allocator(
         allocation_sizes: AllocationSizes::default(),
     })
     .unwrap();
-    Arc::new(RwLock::new(alloc))
+    Arc::new(Mutex::new(alloc))
 }

librashader-runtime-vk/tests/hello_triangle/vulkan_base.rs

@@ -7,7 +7,7 @@ use ash::prelude::VkResult;
 use gpu_allocator::vulkan::Allocator;
 use librashader_runtime_vk::error::FilterChainError;
 use librashader_runtime_vk::VulkanObjects;
-use parking_lot::RwLock;
+use parking_lot::Mutex;
 use std::ffi::CStr;
 use std::sync::Arc;
 
@@ -22,7 +22,7 @@ pub struct VulkanBase {
     // pub debug: VulkanDebug,
     pub physical_device: vk::PhysicalDevice,
     pub mem_props: vk::PhysicalDeviceMemoryProperties,
-    pub allocator: Arc<RwLock<Allocator>>,
+    pub allocator: Arc<Mutex<Allocator>>,
 }
 
 impl VulkanBase {