Update

src/vulkan/scene.rs

@@ -3,9 +3,10 @@ use glam::{Mat3, Mat4, Vec3};
 use std::error::Error;
 use std::sync::Arc;
 use std::time::Instant;
-use vulkano::buffer::Subbuffer;
+use vulkano::buffer::{Buffer, BufferCreateInfo, BufferUsage, Subbuffer};
 use vulkano::command_buffer::{AutoCommandBufferBuilder, PrimaryAutoCommandBuffer};
 use vulkano::descriptor_set::{DescriptorSet, WriteDescriptorSet};
+use vulkano::memory::allocator::{AllocationCreateInfo, MemoryTypeFilter};
 use vulkano::pipeline::{GraphicsPipeline, Pipeline, PipelineBindPoint};
 
 use crate::core::render::vertex::Vertex2D;
@@ -156,12 +157,19 @@ impl Scene {
             projection: proj.to_cols_array_2d(),
         };
 
-        let buffer = vulkan_context
-            .uniform_buffer_allocator
-            .allocate_sized()
-            .unwrap();
-        *buffer.write().unwrap() = uniform_data;
-
-        buffer
+        Buffer::from_data(
+            vulkan_context.memory_allocator.clone(),
+            BufferCreateInfo {
+                usage: BufferUsage::UNIFORM_BUFFER,
+                ..Default::default()
+            },
+            AllocationCreateInfo {
+                memory_type_filter: MemoryTypeFilter::PREFER_DEVICE
+                    | MemoryTypeFilter::HOST_SEQUENTIAL_WRITE,
+                ..Default::default()
+            },
+            uniform_data,
+        )
+        .unwrap()
     }
 }

src/vulkan/vulkan_context.rs

@@ -2,10 +2,6 @@ use std::{any::Any, sync::Arc};
 
 use vulkano::{
     Version, VulkanLibrary,
-    buffer::{
-        BufferUsage,
-        allocator::{SubbufferAllocator, SubbufferAllocatorCreateInfo},
-    },
     command_buffer::{
         AutoCommandBufferBuilder, CommandBufferUsage, PrimaryAutoCommandBuffer,
         allocator::StandardCommandBufferAllocator,
@@ -17,7 +13,7 @@ use vulkano::{
         physical::{PhysicalDevice, PhysicalDeviceType},
     },
     instance::{Instance, InstanceCreateFlags, InstanceCreateInfo, InstanceExtensions},
-    memory::allocator::{MemoryTypeFilter, StandardMemoryAllocator},
+    memory::allocator::StandardMemoryAllocator,
     swapchain::Surface,
 };
 use winit::{
@@ -32,7 +28,6 @@ pub struct VulkanContext {
 
     pub memory_allocator: Arc<StandardMemoryAllocator>,
     pub command_buffer_allocator: Arc<StandardCommandBufferAllocator>,
-    pub uniform_buffer_allocator: Arc<SubbufferAllocator>,
     pub descriptor_set_allocator: Arc<StandardDescriptorSetAllocator>,
 }
 
@@ -54,16 +49,6 @@ impl From<&EventLoop<()>> for VulkanContext {
             Default::default(),
         ));
 
-        let uniform_buffer_allocator = Arc::new(SubbufferAllocator::new(
-            memory_allocator.clone(),
-            SubbufferAllocatorCreateInfo {
-                buffer_usage: BufferUsage::UNIFORM_BUFFER,
-                memory_type_filter: MemoryTypeFilter::PREFER_DEVICE
-                    | MemoryTypeFilter::HOST_SEQUENTIAL_WRITE,
-                ..Default::default()
-            },
-        ));
-
         let descriptor_set_allocator = Arc::new(StandardDescriptorSetAllocator::new(
             device.clone(),
             Default::default(),
@@ -75,7 +60,6 @@ impl From<&EventLoop<()>> for VulkanContext {
             graphics_queue,
             memory_allocator,
             command_buffer_allocator,
-            uniform_buffer_allocator,
             descriptor_set_allocator,
         }
     }