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vulkano::instance::{Instance, InstanceCreateFlags, InstanceCreateInfo}; +use vulkano::device::{Device, DeviceCreateInfo, QueueFlags, QueueCreateInfo}; +use vulkano::memory::allocator::{AllocationCreateInfo, MemoryTypeFilter, StandardMemoryAllocator}; + +fn main() { + let library = VulkanLibrary::new().expect("No Vulkan Available"); + let instance = Instance::new( + library, + InstanceCreateInfo { + flags: InstanceCreateFlags::ENUMERATE_PORTABILITY, + ..Default::default() + } + ).expect("Failed to initialize Vulkan instance"); + + let physical_device = instance + .enumerate_physical_devices() + .expect("Could not enumerate devices") + .next() + .expect("No devices available"); + + for family in physical_device.queue_family_properties() { + println!("Found a queue family with {:?} queue(s)", family.queue_count); + } + + let queue_family_index = physical_device + .queue_family_properties() + .iter() + .position(|queue_family_properties| { + queue_family_properties.queue_flags.contains(QueueFlags::GRAPHICS) + }) + .expect("couldn't find a graphical queue family") as u32; + + let (device, mut queues) = Device::new( + physical_device, + DeviceCreateInfo { + // here we pass the desired queue family to use by index + queue_create_infos: vec![QueueCreateInfo { + queue_family_index, + ..Default::default() + }], + ..Default::default() + }, + ) + .expect("failed to create device"); + + let queue = queues.next().unwrap(); + + let memory_allocator = Arc::new(StandardMemoryAllocator::new_default(device.clone())); + + /*let data: i32 = 12; + + let buffer = Buffer::from_data( + memory_allocator.clone(), + BufferCreateInfo{ + usage: BufferUsage::UNIFORM_BUFFER, + ..Default::default()}, + AllocationCreateInfo { + memory_type_filter: MemoryTypeFilter::PREFER_DEVICE + | MemoryTypeFilter::HOST_SEQUENTIAL_WRITE, + ..Default::default() + }, + data + ).expect("Failed to create buffer");*/ + + let source_content = 0..64; + let source = Buffer::from_iter( + memory_allocator.clone(), + BufferCreateInfo { + usage: BufferUsage::TRANSFER_SRC, + ..Default::default() + }, + AllocationCreateInfo { + memory_type_filter: MemoryTypeFilter::PREFER_HOST|MemoryTypeFilter::HOST_RANDOM_ACCESS, + ..Default::default() + }, + source_content + ).expect("Failed to create source buffer"); + + let destination_content = (0..64).map(|_| 0); + let destination = Buffer::from_iter( + memory_allocator.clone(), + BufferCreateInfo { + usage: BufferUsage::TRANSFER_DST, + ..Default::default() + }, + AllocationCreateInfo { + memory_type_filter: MemoryTypeFilter::PREFER_HOST|MemoryTypeFilter::HOST_RANDOM_ACCESS, + ..Default::default() + }, + destination_content + ).expect("Failed to create destination buffer"); + + let command_buffer_allocator = Arc::new(StandardCommandBufferAllocator::new( + device.clone(), + StandardCommandBufferAllocatorCreateInfo::default() + )); + + let mut builder = AutoCommandBufferBuilder::primary(command_buffer_allocator.clone(), queue_family_index, CommandBufferUsage::OneTimeSubmit).unwrap(); + builder.copy_buffer(CopyBufferInfo::buffers(source.clone(), destination.clone())).unwrap(); + + let command_buffer = builder.build().unwrap(); + + //sync::now(device.clone()).then_execute(queue.clone(), command_buffer).unwrap().flush().unwrap(); + + let future = sync::now(device.clone()).then_execute(queue.clone(), command_buffer).unwrap().then_signal_fence_and_flush().unwrap(); + future.wait(None).unwrap(); + + let src_content = source.read().unwrap(); + let dst_content = destination.read().unwrap(); + + assert_eq!(&*src_content, &*dst_content); + + println!("Success!"); + +} diff --git a/src/shader.glsl b/src/shader.glsl new file mode 100644 index 0000000..8b64c09 --- /dev/null +++ b/src/shader.glsl @@ -0,0 +1,12 @@ +#version 460 + +layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in + +layout(set = 0, binding = 0) buffer Data{ + uint data[]; +} buf; + +void main() { + uint idx = gl_GlobalInvocationID.x; + buf.data[idx] *= 12; +} \ No newline at end of file