63 lines
1.8 KiB
Rust
63 lines
1.8 KiB
Rust
use ash::vk;
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use gpu_allocator::vulkan::{Allocator, AllocatorCreateDesc};
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use parking_lot::RwLock;
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use std::sync::Arc;
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#[inline(always)]
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pub unsafe fn vulkan_image_layout_transition_levels(
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device: &ash::Device,
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cmd: vk::CommandBuffer,
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image: vk::Image,
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levels: u32,
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old_layout: vk::ImageLayout,
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new_layout: vk::ImageLayout,
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src_access: vk::AccessFlags,
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dst_access: vk::AccessFlags,
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src_stage: vk::PipelineStageFlags,
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dst_stage: vk::PipelineStageFlags,
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src_queue_family_index: u32,
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dst_queue_family_index: u32,
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) {
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let mut barrier = vk::ImageMemoryBarrier::default();
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barrier.s_type = vk::StructureType::IMAGE_MEMORY_BARRIER;
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barrier.p_next = std::ptr::null();
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barrier.src_access_mask = src_access;
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barrier.dst_access_mask = dst_access;
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barrier.old_layout = old_layout;
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barrier.new_layout = new_layout;
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barrier.src_queue_family_index = src_queue_family_index;
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barrier.dst_queue_family_index = dst_queue_family_index;
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barrier.image = image;
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barrier.subresource_range.aspect_mask = vk::ImageAspectFlags::COLOR;
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barrier.subresource_range.base_array_layer = 0;
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barrier.subresource_range.level_count = levels;
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barrier.subresource_range.layer_count = vk::REMAINING_ARRAY_LAYERS;
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device.cmd_pipeline_barrier(
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cmd,
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src_stage,
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dst_stage,
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vk::DependencyFlags::empty(),
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&[],
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&[],
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&[barrier],
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)
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}
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pub fn create_allocator(
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device: ash::Device,
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instance: ash::Instance,
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physical_device: vk::PhysicalDevice,
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) -> Arc<RwLock<Allocator>> {
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let alloc = Allocator::new(&AllocatorCreateDesc {
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instance,
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device,
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physical_device,
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debug_settings: Default::default(),
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buffer_device_address: false,
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})
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.unwrap();
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Arc::new(RwLock::new(alloc))
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}
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