Deleted ray tracing example (keep this branch clean)
This commit is contained in:
Graham Wihlidal
parent
0ed0a06634
commit
a348bec1ff
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@ -1,567 +0,0 @@
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extern crate ash;
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extern crate examples;
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use ash::extensions::nv::RayTracing;
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use ash::util::*;
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use ash::vk;
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use examples::*;
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use std::default::Default;
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use std::ffi::CString;
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use std::fs::File;
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use std::mem;
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use std::mem::align_of;
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use std::path::Path;
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#[derive(Clone, Debug, Copy)]
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struct Vertex {
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pos: [f32; 4],
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color: [f32; 4],
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}
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struct AccelerationStructure {
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memory: vk::DeviceMemory,
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accel_struct_info: vk::AccelerationStructureInfoNV,
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accel_struct: vk::AccelerationStructureNV,
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handle: u64,
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}
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fn create_acceleration_structure(
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base: &ExampleBase,
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ray_tracing: &RayTracing,
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device: &ash::Device,
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accel_type: vk::AccelerationStructureTypeNV,
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geometry: &[vk::GeometryNV],
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instance_count: u32,
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) -> AccelerationStructure {
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unsafe {
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let accel_struct_info = vk::AccelerationStructureInfoNV::builder()
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.ty(accel_type)
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.flags(vk::BuildAccelerationStructureFlagsNV::PREFER_FAST_TRACE)
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.geometries(geometry)
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.instance_count(instance_count)
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.build();
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let create_info = vk::AccelerationStructureCreateInfoNV::builder()
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.info(accel_struct_info)
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.compacted_size(0)
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.build();
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let accel_struct = ray_tracing
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.create_acceleration_structure(&create_info, None)
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.unwrap();
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let requirements_info = vk::AccelerationStructureMemoryRequirementsInfoNV::builder()
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.acceleration_structure(accel_struct)
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.ty(vk::AccelerationStructureMemoryRequirementsTypeNV::OBJECT)
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.build();
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let requirements =
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ray_tracing.get_acceleration_structure_memory_requirements(&requirements_info);
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let memory_type_index = find_memorytype_index(
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&requirements.memory_requirements,
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&base.device_memory_properties,
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vk::MemoryPropertyFlags::DEVICE_LOCAL,
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)
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.unwrap();
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let allocate_info = vk::MemoryAllocateInfo {
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allocation_size: requirements.memory_requirements.size,
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memory_type_index,
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..Default::default()
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};
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let memory = device.allocate_memory(&allocate_info, None).unwrap();
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ray_tracing
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.bind_acceleration_structure_memory(&[
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vk::BindAccelerationStructureMemoryInfoNV::builder()
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.acceleration_structure(accel_struct)
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.memory(memory)
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.memory_offset(0)
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.build(),
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])
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.unwrap();
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let handle = ray_tracing
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.get_acceleration_structure_handle(accel_struct)
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.unwrap();
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AccelerationStructure {
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memory,
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accel_struct_info,
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accel_struct,
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handle,
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}
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}
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}
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/*
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error = vkGetAccelerationStructureHandleNV(mDevice, _as.accelerationStructure, sizeof(uint64_t), &_as.handle);
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if (VK_SUCCESS != error) {
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CHECK_VK_ERROR(error, "vkGetAccelerationStructureHandleNVX");
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return false;
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}
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return true;
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}
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*/
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fn main() {
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unsafe {
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let base = ExampleBase::new(1920, 1080);
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let ray_tracing = RayTracing::new(&base.instance, &base.device);
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let renderpass_attachments = [
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vk::AttachmentDescription {
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format: base.surface_format.format,
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samples: vk::SampleCountFlags::TYPE_1,
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load_op: vk::AttachmentLoadOp::CLEAR,
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store_op: vk::AttachmentStoreOp::STORE,
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final_layout: vk::ImageLayout::PRESENT_SRC_KHR,
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..Default::default()
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},
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vk::AttachmentDescription {
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format: vk::Format::D16_UNORM,
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samples: vk::SampleCountFlags::TYPE_1,
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load_op: vk::AttachmentLoadOp::CLEAR,
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initial_layout: vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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final_layout: vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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..Default::default()
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},
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];
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let color_attachment_refs = [vk::AttachmentReference {
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attachment: 0,
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layout: vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
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}];
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let depth_attachment_ref = vk::AttachmentReference {
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attachment: 1,
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layout: vk::ImageLayout::DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
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};
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let dependencies = [vk::SubpassDependency {
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src_subpass: vk::SUBPASS_EXTERNAL,
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src_stage_mask: vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
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dst_access_mask: vk::AccessFlags::COLOR_ATTACHMENT_READ
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| vk::AccessFlags::COLOR_ATTACHMENT_WRITE,
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dst_stage_mask: vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
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..Default::default()
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}];
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let subpasses = [vk::SubpassDescription::builder()
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.color_attachments(&color_attachment_refs)
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.depth_stencil_attachment(&depth_attachment_ref)
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.pipeline_bind_point(vk::PipelineBindPoint::GRAPHICS)
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.build()];
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let renderpass_create_info = vk::RenderPassCreateInfo::builder()
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.attachments(&renderpass_attachments)
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.subpasses(&subpasses)
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.dependencies(&dependencies);
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let renderpass = base
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.device
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.create_render_pass(&renderpass_create_info, None)
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.unwrap();
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let framebuffers: Vec<vk::Framebuffer> = base
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.present_image_views
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.iter()
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.map(|&present_image_view| {
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let framebuffer_attachments = [present_image_view, base.depth_image_view];
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let frame_buffer_create_info = vk::FramebufferCreateInfo::builder()
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.render_pass(renderpass)
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.attachments(&framebuffer_attachments)
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.width(base.surface_resolution.width)
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.height(base.surface_resolution.height)
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.layers(1);
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base.device
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.create_framebuffer(&frame_buffer_create_info, None)
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.unwrap()
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})
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.collect();
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let index_buffer_data = [0u32, 1, 2];
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let index_buffer_info = vk::BufferCreateInfo::builder()
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.size(std::mem::size_of_val(&index_buffer_data) as u64)
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.usage(vk::BufferUsageFlags::INDEX_BUFFER)
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.sharing_mode(vk::SharingMode::EXCLUSIVE);
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let index_buffer = base.device.create_buffer(&index_buffer_info, None).unwrap();
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let index_buffer_memory_req = base.device.get_buffer_memory_requirements(index_buffer);
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let index_buffer_memory_index = find_memorytype_index(
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&index_buffer_memory_req,
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&base.device_memory_properties,
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vk::MemoryPropertyFlags::HOST_VISIBLE,
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)
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.expect("Unable to find suitable memorytype for the index buffer.");
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let index_allocate_info = vk::MemoryAllocateInfo {
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allocation_size: index_buffer_memory_req.size,
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memory_type_index: index_buffer_memory_index,
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..Default::default()
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};
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let index_buffer_memory = base
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.device
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.allocate_memory(&index_allocate_info, None)
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.unwrap();
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let index_ptr = base
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.device
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.map_memory(
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index_buffer_memory,
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0,
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index_buffer_memory_req.size,
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vk::MemoryMapFlags::empty(),
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)
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.unwrap();
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let mut index_slice = Align::new(
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index_ptr,
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align_of::<u32>() as u64,
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index_buffer_memory_req.size,
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);
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index_slice.copy_from_slice(&index_buffer_data);
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base.device.unmap_memory(index_buffer_memory);
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base.device
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.bind_buffer_memory(index_buffer, index_buffer_memory, 0)
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.unwrap();
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let vertex_input_buffer_info = vk::BufferCreateInfo {
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size: 3 * std::mem::size_of::<Vertex>() as u64,
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usage: vk::BufferUsageFlags::VERTEX_BUFFER,
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sharing_mode: vk::SharingMode::EXCLUSIVE,
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..Default::default()
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};
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let vertex_input_buffer = base
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.device
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.create_buffer(&vertex_input_buffer_info, None)
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.unwrap();
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let vertex_input_buffer_memory_req = base
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.device
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.get_buffer_memory_requirements(vertex_input_buffer);
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let vertex_input_buffer_memory_index = find_memorytype_index(
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&vertex_input_buffer_memory_req,
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&base.device_memory_properties,
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vk::MemoryPropertyFlags::HOST_VISIBLE,
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)
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.expect("Unable to find suitable memorytype for the vertex buffer.");
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let vertex_buffer_allocate_info = vk::MemoryAllocateInfo {
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allocation_size: vertex_input_buffer_memory_req.size,
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memory_type_index: vertex_input_buffer_memory_index,
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..Default::default()
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};
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let vertex_input_buffer_memory = base
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.device
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.allocate_memory(&vertex_buffer_allocate_info, None)
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.unwrap();
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let vertices = [
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Vertex {
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pos: [-1.0, 1.0, 0.0, 1.0],
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color: [0.0, 1.0, 0.0, 1.0],
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},
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Vertex {
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pos: [1.0, 1.0, 0.0, 1.0],
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color: [0.0, 0.0, 1.0, 1.0],
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},
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Vertex {
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pos: [0.0, -1.0, 0.0, 1.0],
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color: [1.0, 0.0, 0.0, 1.0],
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},
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];
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let vert_ptr = base
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.device
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.map_memory(
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vertex_input_buffer_memory,
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0,
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vertex_input_buffer_memory_req.size,
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vk::MemoryMapFlags::empty(),
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)
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.unwrap();
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let mut vert_align = Align::new(
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vert_ptr,
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align_of::<Vertex>() as u64,
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vertex_input_buffer_memory_req.size,
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);
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vert_align.copy_from_slice(&vertices);
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base.device.unmap_memory(vertex_input_buffer_memory);
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base.device
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.bind_buffer_memory(vertex_input_buffer, vertex_input_buffer_memory, 0)
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.unwrap();
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let mut vertex_spv_file = File::open(Path::new("shader/nv_ray_tracing/vert.spv"))
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.expect("Could not find vert.spv.");
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let mut frag_spv_file = File::open(Path::new("shader/nv_ray_tracing/frag.spv"))
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.expect("Could not find frag.spv.");
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let vertex_code =
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read_spv(&mut vertex_spv_file).expect("Failed to read vertex shader spv file");
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let vertex_shader_info = vk::ShaderModuleCreateInfo::builder().code(&vertex_code);
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let frag_code =
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read_spv(&mut frag_spv_file).expect("Failed to read fragment shader spv file");
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let frag_shader_info = vk::ShaderModuleCreateInfo::builder().code(&frag_code);
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let vertex_shader_module = base
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.device
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.create_shader_module(&vertex_shader_info, None)
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.expect("Vertex shader module error");
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let fragment_shader_module = base
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.device
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.create_shader_module(&frag_shader_info, None)
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.expect("Fragment shader module error");
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let layout_create_info = vk::PipelineLayoutCreateInfo::default();
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let pipeline_layout = base
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.device
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.create_pipeline_layout(&layout_create_info, None)
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.unwrap();
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let shader_entry_name = CString::new("main").unwrap();
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let shader_stage_create_infos = [
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vk::PipelineShaderStageCreateInfo {
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module: vertex_shader_module,
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p_name: shader_entry_name.as_ptr(),
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stage: vk::ShaderStageFlags::VERTEX,
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..Default::default()
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},
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vk::PipelineShaderStageCreateInfo {
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s_type: vk::StructureType::PIPELINE_SHADER_STAGE_CREATE_INFO,
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module: fragment_shader_module,
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p_name: shader_entry_name.as_ptr(),
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stage: vk::ShaderStageFlags::FRAGMENT,
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..Default::default()
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},
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];
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let vertex_input_binding_descriptions = [vk::VertexInputBindingDescription {
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binding: 0,
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stride: mem::size_of::<Vertex>() as u32,
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input_rate: vk::VertexInputRate::VERTEX,
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}];
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let vertex_input_attribute_descriptions = [
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vk::VertexInputAttributeDescription {
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location: 0,
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binding: 0,
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format: vk::Format::R32G32B32A32_SFLOAT,
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offset: offset_of!(Vertex, pos) as u32,
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},
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vk::VertexInputAttributeDescription {
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location: 1,
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binding: 0,
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format: vk::Format::R32G32B32A32_SFLOAT,
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offset: offset_of!(Vertex, color) as u32,
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},
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];
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let vertex_input_state_info = vk::PipelineVertexInputStateCreateInfo {
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vertex_attribute_description_count: vertex_input_attribute_descriptions.len() as u32,
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p_vertex_attribute_descriptions: vertex_input_attribute_descriptions.as_ptr(),
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vertex_binding_description_count: vertex_input_binding_descriptions.len() as u32,
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p_vertex_binding_descriptions: vertex_input_binding_descriptions.as_ptr(),
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..Default::default()
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};
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let vertex_input_assembly_state_info = vk::PipelineInputAssemblyStateCreateInfo {
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topology: vk::PrimitiveTopology::TRIANGLE_LIST,
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..Default::default()
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};
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let viewports = [vk::Viewport {
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x: 0.0,
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y: 0.0,
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width: base.surface_resolution.width as f32,
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height: base.surface_resolution.height as f32,
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min_depth: 0.0,
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max_depth: 1.0,
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}];
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let scissors = [vk::Rect2D {
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offset: vk::Offset2D { x: 0, y: 0 },
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extent: base.surface_resolution.clone(),
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}];
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let viewport_state_info = vk::PipelineViewportStateCreateInfo::builder()
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.scissors(&scissors)
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.viewports(&viewports);
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let rasterization_info = vk::PipelineRasterizationStateCreateInfo {
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front_face: vk::FrontFace::COUNTER_CLOCKWISE,
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line_width: 1.0,
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polygon_mode: vk::PolygonMode::FILL,
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..Default::default()
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};
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let multisample_state_info = vk::PipelineMultisampleStateCreateInfo {
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rasterization_samples: vk::SampleCountFlags::TYPE_1,
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..Default::default()
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};
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let noop_stencil_state = vk::StencilOpState {
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fail_op: vk::StencilOp::KEEP,
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pass_op: vk::StencilOp::KEEP,
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depth_fail_op: vk::StencilOp::KEEP,
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compare_op: vk::CompareOp::ALWAYS,
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..Default::default()
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};
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let depth_state_info = vk::PipelineDepthStencilStateCreateInfo {
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depth_test_enable: 1,
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depth_write_enable: 1,
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depth_compare_op: vk::CompareOp::LESS_OR_EQUAL,
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front: noop_stencil_state.clone(),
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back: noop_stencil_state.clone(),
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max_depth_bounds: 1.0,
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..Default::default()
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};
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let color_blend_attachment_states = [vk::PipelineColorBlendAttachmentState {
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blend_enable: 0,
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src_color_blend_factor: vk::BlendFactor::SRC_COLOR,
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dst_color_blend_factor: vk::BlendFactor::ONE_MINUS_DST_COLOR,
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color_blend_op: vk::BlendOp::ADD,
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src_alpha_blend_factor: vk::BlendFactor::ZERO,
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dst_alpha_blend_factor: vk::BlendFactor::ZERO,
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alpha_blend_op: vk::BlendOp::ADD,
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color_write_mask: vk::ColorComponentFlags::all(),
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}];
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let color_blend_state = vk::PipelineColorBlendStateCreateInfo::builder()
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.logic_op(vk::LogicOp::CLEAR)
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.attachments(&color_blend_attachment_states);
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let dynamic_state = [vk::DynamicState::VIEWPORT, vk::DynamicState::SCISSOR];
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let dynamic_state_info =
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vk::PipelineDynamicStateCreateInfo::builder().dynamic_states(&dynamic_state);
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let graphic_pipeline_info = vk::GraphicsPipelineCreateInfo::builder()
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.stages(&shader_stage_create_infos)
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.vertex_input_state(&vertex_input_state_info)
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.input_assembly_state(&vertex_input_assembly_state_info)
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.viewport_state(&viewport_state_info)
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.rasterization_state(&rasterization_info)
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.multisample_state(&multisample_state_info)
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.depth_stencil_state(&depth_state_info)
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.color_blend_state(&color_blend_state)
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.dynamic_state(&dynamic_state_info)
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.layout(pipeline_layout)
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.render_pass(renderpass);
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let graphics_pipelines = base
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.device
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.create_graphics_pipelines(
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vk::PipelineCache::null(),
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&[graphic_pipeline_info.build()],
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None,
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)
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.expect("Unable to create graphics pipeline");
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let graphic_pipeline = graphics_pipelines[0];
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base.render_loop(|| {
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let (present_index, _) = base
|
||||
.swapchain_loader
|
||||
.acquire_next_image(
|
||||
base.swapchain,
|
||||
std::u64::MAX,
|
||||
base.present_complete_semaphore,
|
||||
vk::Fence::null(),
|
||||
)
|
||||
.unwrap();
|
||||
let clear_values = [
|
||||
vk::ClearValue {
|
||||
color: vk::ClearColorValue {
|
||||
float32: [0.0, 0.0, 0.0, 0.0],
|
||||
},
|
||||
},
|
||||
vk::ClearValue {
|
||||
depth_stencil: vk::ClearDepthStencilValue {
|
||||
depth: 1.0,
|
||||
stencil: 0,
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
let render_pass_begin_info = vk::RenderPassBeginInfo::builder()
|
||||
.render_pass(renderpass)
|
||||
.framebuffer(framebuffers[present_index as usize])
|
||||
.render_area(vk::Rect2D {
|
||||
offset: vk::Offset2D { x: 0, y: 0 },
|
||||
extent: base.surface_resolution.clone(),
|
||||
})
|
||||
.clear_values(&clear_values);
|
||||
|
||||
record_submit_commandbuffer(
|
||||
&base.device,
|
||||
base.draw_command_buffer,
|
||||
base.present_queue,
|
||||
&[vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT],
|
||||
&[base.present_complete_semaphore],
|
||||
&[base.rendering_complete_semaphore],
|
||||
|device, draw_command_buffer| {
|
||||
device.cmd_begin_render_pass(
|
||||
draw_command_buffer,
|
||||
&render_pass_begin_info,
|
||||
vk::SubpassContents::INLINE,
|
||||
);
|
||||
device.cmd_bind_pipeline(
|
||||
draw_command_buffer,
|
||||
vk::PipelineBindPoint::GRAPHICS,
|
||||
graphic_pipeline,
|
||||
);
|
||||
device.cmd_set_viewport(draw_command_buffer, 0, &viewports);
|
||||
device.cmd_set_scissor(draw_command_buffer, 0, &scissors);
|
||||
device.cmd_bind_vertex_buffers(
|
||||
draw_command_buffer,
|
||||
0,
|
||||
&[vertex_input_buffer],
|
||||
&[0],
|
||||
);
|
||||
device.cmd_bind_index_buffer(
|
||||
draw_command_buffer,
|
||||
index_buffer,
|
||||
0,
|
||||
vk::IndexType::UINT32,
|
||||
);
|
||||
device.cmd_draw_indexed(
|
||||
draw_command_buffer,
|
||||
index_buffer_data.len() as u32,
|
||||
1,
|
||||
0,
|
||||
0,
|
||||
1,
|
||||
);
|
||||
// Or draw without the index buffer
|
||||
// device.cmd_draw(draw_command_buffer, 3, 1, 0, 0);
|
||||
device.cmd_end_render_pass(draw_command_buffer);
|
||||
},
|
||||
);
|
||||
//let mut present_info_err = mem::uninitialized();
|
||||
let wait_semaphors = [base.rendering_complete_semaphore];
|
||||
let swapchains = [base.swapchain];
|
||||
let image_indices = [present_index];
|
||||
let present_info = vk::PresentInfoKHR::builder()
|
||||
.wait_semaphores(&wait_semaphors) // &base.rendering_complete_semaphore)
|
||||
.swapchains(&swapchains)
|
||||
.image_indices(&image_indices);
|
||||
|
||||
base.swapchain_loader
|
||||
.queue_present(base.present_queue, &present_info)
|
||||
.unwrap();
|
||||
});
|
||||
|
||||
base.device.device_wait_idle().unwrap();
|
||||
for pipeline in graphics_pipelines {
|
||||
base.device.destroy_pipeline(pipeline, None);
|
||||
}
|
||||
base.device.destroy_pipeline_layout(pipeline_layout, None);
|
||||
base.device
|
||||
.destroy_shader_module(vertex_shader_module, None);
|
||||
base.device
|
||||
.destroy_shader_module(fragment_shader_module, None);
|
||||
base.device.free_memory(index_buffer_memory, None);
|
||||
base.device.destroy_buffer(index_buffer, None);
|
||||
base.device.free_memory(vertex_input_buffer_memory, None);
|
||||
base.device.destroy_buffer(vertex_input_buffer, None);
|
||||
for framebuffer in framebuffers {
|
||||
base.device.destroy_framebuffer(framebuffer, None);
|
||||
}
|
||||
base.device.destroy_render_pass(renderpass, None);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue