ash/examples/src/main.rs

562 lines
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Rust
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#![feature(conservative_impl_trait)]
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#![allow(dead_code)]
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extern crate owning_ref;
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extern crate ash;
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extern crate vk_loader2 as vk;
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extern crate glfw;
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use glfw::*;
use ash::instance::{Entry, Instance};
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use std::ptr;
use std::ffi::{CStr, CString};
use std::mem;
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use std::path::Path;
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use std::fs::File;
use std::io::Read;
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use std::os::raw::c_void;
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macro_rules! printlndb{
($arg: tt) => {
println!("{:?}", $arg);
}
}
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fn handle_window_event(window: &mut glfw::Window, event: glfw::WindowEvent) {
match event {
glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => window.set_should_close(true),
_ => {}
}
}
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pub fn find_memorytype_index(memory_req: &vk::MemoryRequirements,
memory_prop: &vk::PhysicalDeviceMemoryProperties,
flags: vk::MemoryPropertyFlags)
-> Option<u32> {
let mut memory_type_bits = memory_req.memory_type_bits;
for (index, ref memory_type) in memory_prop.memory_types.iter().enumerate() {
if (memory_type.property_flags & flags) == flags {
return Some(index as u32);
}
memory_type_bits = memory_type_bits >> 1;
}
None
}
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#[derive(Clone, Debug, Copy)]
struct Vertex {
x: f32,
y: f32,
z: f32,
w: f32,
}
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fn main() {
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let mut glfw = glfw::init(glfw::FAIL_ON_ERRORS).unwrap();
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let window_width = 1920;
let window_height = 1080;
let (mut window, events) = glfw.create_window(window_width,
window_height,
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"Hello this is window",
glfw::WindowMode::Windowed)
.expect("Failed to create GLFW window.");
window.set_key_polling(true);
window.make_current();
let entry = Entry::load_vulkan().unwrap();
let instance_ext_props = entry.enumerate_instance_extension_properties().unwrap();
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let app_name = CString::new("TEST").unwrap();
let raw_name = app_name.as_ptr();
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let layer_names = [CString::new("VK_LAYER_LUNARG_standard_validation").unwrap()];
let layers_names_raw: Vec<*const i8> = layer_names.iter()
.map(|raw_name| raw_name.as_ptr())
.collect();
let extension_names = [CString::new("VK_KHR_surface").unwrap(),
CString::new("VK_KHR_xlib_surface").unwrap()];
let extension_names_raw: Vec<*const i8> = extension_names.iter()
.map(|raw_name| raw_name.as_ptr())
.collect();
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let appinfo = vk::ApplicationInfo {
p_application_name: raw_name,
s_type: vk::StructureType::ApplicationInfo,
p_next: ptr::null(),
application_version: 0,
p_engine_name: raw_name,
engine_version: 0,
api_version: 0,
};
let create_info = vk::InstanceCreateInfo {
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s_type: vk::StructureType::InstanceCreateInfo,
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p_application_info: &appinfo,
p_next: ptr::null(),
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pp_enabled_layer_names: layers_names_raw.as_ptr(),
enabled_layer_count: layers_names_raw.len() as u32,
pp_enabled_extension_names: extension_names_raw.as_ptr(),
enabled_extension_count: extension_names_raw.len() as u32,
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flags: 0,
};
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let instance = entry.create_instance(create_info).expect("Instance creation error");
let x11_display = window.glfw.get_x11_display();
let x11_window = window.get_x11_window();
let x11_create_info = vk::XlibSurfaceCreateInfoKHR {
s_type: vk::StructureType::XlibSurfaceCreateInfoKhr,
p_next: ptr::null(),
flags: 0,
window: x11_window as vk::Window,
dpy: x11_display as *mut vk::Display,
};
let surface = instance.create_xlib_surface_khr(x11_create_info).unwrap();
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let pdevices = instance.enumerate_physical_devices().expect("Physical device error");
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let (pdevice, queue_family_index) = pdevices.iter()
.map(|pdevice| {
instance.get_physical_device_queue_family_properties(*pdevice)
.iter()
.enumerate()
.filter_map(|(index, ref info)| {
let supports_graphic_and_surface =
info.queue_flags.subset(vk::QUEUE_GRAPHICS_BIT) &&
instance.get_physical_device_surface_support_khr(*pdevice,
index as u32,
surface);
match supports_graphic_and_surface {
true => Some((*pdevice, index)),
_ => None,
}
})
.nth(0)
})
.filter_map(|v| v)
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.nth(0)
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.expect("Couldn't find suitable device.");
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let queue_family_index = queue_family_index as u32;
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let device_extension_names = [CString::new("VK_KHR_swapchain").unwrap()];
let device_extension_names_raw: Vec<*const i8> = device_extension_names.iter()
.map(|raw_name| raw_name.as_ptr())
.collect();
let features = vk::PhysicalDeviceFeatures { shader_clip_distance: 1, ..Default::default() };
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let priorities = [1.0];
let queue_info = vk::DeviceQueueCreateInfo {
s_type: vk::StructureType::DeviceQueueCreateInfo,
p_next: ptr::null(),
flags: 0,
queue_family_index: queue_family_index as u32,
p_queue_priorities: priorities.as_ptr(),
queue_count: priorities.len() as u32,
};
let device_create_info = vk::DeviceCreateInfo {
s_type: vk::StructureType::DeviceCreateInfo,
p_next: ptr::null(),
flags: 0,
queue_create_info_count: 1,
p_queue_create_infos: &queue_info,
enabled_layer_count: 0,
pp_enabled_layer_names: ptr::null(),
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enabled_extension_count: device_extension_names_raw.len() as u32,
pp_enabled_extension_names: device_extension_names_raw.as_ptr(),
p_enabled_features: &features,
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};
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let device: ash::instance::Device = instance.create_device(pdevice, device_create_info)
.unwrap();
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let present_queue = device.get_device_queue(queue_family_index as u32, 0);
let surface_formats = instance.get_physical_device_surface_formats_khr(pdevice, surface)
.unwrap();
let surface_format = surface_formats.iter()
.map(|sfmt| {
match sfmt.format {
vk::Format::Undefined => {
vk::SurfaceFormatKHR {
format: vk::Format::B8g8r8Unorm,
color_space: sfmt.color_space,
}
}
_ => sfmt.clone(),
}
})
.nth(0)
.expect("Unable to find suitable surface format.");
let surface_capabilities =
instance.get_physical_device_surface_capabilities_khr(pdevice, surface).unwrap();
let desired_image_count = 2;
assert!(surface_capabilities.min_image_count <= desired_image_count &&
surface_capabilities.max_image_count >= desired_image_count,
"Image count err");
let surface_resoultion = match surface_capabilities.current_extent.width {
std::u32::MAX => {
vk::Extent2D {
width: window_width,
height: window_height,
}
}
_ => surface_capabilities.current_extent,
};
let pre_transform = if surface_capabilities.supported_transforms
.subset(vk::SURFACE_TRANSFORM_IDENTITY_BIT_KHR) {
vk::SURFACE_TRANSFORM_IDENTITY_BIT_KHR
} else {
surface_capabilities.current_transform
};
let present_modes = instance.get_physical_device_surface_present_modes_khr(pdevice, surface)
.unwrap();
let present_mode = present_modes.iter()
.cloned()
.find(|&mode| mode == vk::PresentModeKHR::Mailbox)
.unwrap_or(vk::PresentModeKHR::Fifo);
let swapchain_create_info = vk::SwapchainCreateInfoKHR {
s_type: vk::StructureType::SwapchainCreateInfoKhr,
p_next: ptr::null(),
flags: 0,
surface: surface,
min_image_count: desired_image_count,
image_color_space: surface_format.color_space,
image_format: surface_format.format,
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image_extent: surface_resoultion.clone(),
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image_usage: vk::IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
image_sharing_mode: vk::SharingMode::Exclusive,
pre_transform: pre_transform,
composite_alpha: vk::COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
present_mode: present_mode,
clipped: 1,
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old_swapchain: vk::SwapchainKHR::null(),
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// FIX ME: What is this?
image_array_layers: 1,
p_queue_family_indices: ptr::null(),
queue_family_index_count: 0,
};
let swapchain = device.create_swapchain_khr(swapchain_create_info).unwrap();
let pool_create_info = vk::CommandPoolCreateInfo {
s_type: vk::StructureType::CommandPoolCreateInfo,
p_next: ptr::null(),
flags: vk::COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
queue_family_index: queue_family_index,
};
let pool = device.create_command_pool(pool_create_info).unwrap();
let command_buffer_allocate_info = vk::CommandBufferAllocateInfo {
s_type: vk::StructureType::CommandBufferAllocateInfo,
p_next: ptr::null(),
command_buffer_count: 2,
command_pool: pool,
level: vk::CommandBufferLevel::Primary,
};
let command_buffers = device.allocate_command_buffers(command_buffer_allocate_info).unwrap();
let setup_command_buffer = command_buffers[0];
let draw_command_buffer = command_buffers[1];
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let present_images = device.get_swapchain_images_khr(swapchain).unwrap();
let present_image_views: Vec<vk::ImageView> = present_images.iter()
.map(|&image| {
let create_view_info = vk::ImageViewCreateInfo {
s_type: vk::StructureType::ImageViewCreateInfo,
p_next: ptr::null(),
flags: 0,
view_type: vk::ImageViewType::Type2d,
format: surface_format.format,
components: vk::ComponentMapping {
r: vk::ComponentSwizzle::R,
g: vk::ComponentSwizzle::G,
b: vk::ComponentSwizzle::B,
a: vk::ComponentSwizzle::A,
},
subresource_range: vk::ImageSubresourceRange {
aspect_mask: vk::IMAGE_ASPECT_COLOR_BIT,
base_mip_level: 0,
level_count: 1,
base_array_layer: 0,
layer_count: 1,
},
image: image,
};
device.create_image_view(&create_view_info).unwrap()
})
.collect();
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let device_memory_properties = instance.get_physical_device_memory_properties(pdevice);
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let depth_image_create_info = vk::ImageCreateInfo {
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s_type: vk::StructureType::ImageCreateInfo,
p_next: ptr::null(),
flags: vk::IMAGE_CREATE_SPARSE_BINDING_BIT,
image_type: vk::ImageType::Type2d,
format: vk::Format::D16Unorm,
extent: vk::Extent3D {
width: surface_resoultion.width,
height: surface_resoultion.height,
depth: 1,
},
mip_levels: 1,
array_layers: 1,
samples: vk::SAMPLE_COUNT_1_BIT,
tiling: vk::ImageTiling::Optimal,
usage: vk::IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
sharing_mode: vk::SharingMode::Exclusive,
queue_family_index_count: 0,
p_queue_family_indices: ptr::null(),
initial_layout: vk::ImageLayout::Undefined,
};
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let depth_image = device.create_image(&depth_image_create_info).unwrap();
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let depth_image_memory_req = device.get_image_memory_requirements(depth_image);
let depth_image_memory_index = find_memorytype_index(&depth_image_memory_req,
&device_memory_properties,
vk::MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
.expect("Unable to find suitable memory index for depth image.");
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let depth_image_allocate_info = vk::MemoryAllocateInfo {
s_type: vk::StructureType::MemoryAllocateInfo,
p_next: ptr::null(),
allocation_size: depth_image_memory_req.size,
memory_type_index: depth_image_memory_index,
};
let depth_image_memory = device.allocate_memory(&depth_image_allocate_info).unwrap();
device.bind_image_memory(depth_image, depth_image_memory, 0)
.expect("Unable to bind depth image memory");
let command_buffer_begin_info = vk::CommandBufferBeginInfo {
s_type: vk::StructureType::CommandBufferBeginInfo,
p_next: ptr::null(),
p_inheritance_info: ptr::null(),
flags: vk::COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT,
};
device.begin_command_buffer(setup_command_buffer, &command_buffer_begin_info).unwrap();
let layout_transition_barrier = vk::ImageMemoryBarrier {
s_type: vk::StructureType::ImageMemoryBarrier,
p_next: ptr::null(),
// TODO Is this correct?
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src_access_mask: vk::AccessFlags::empty(),
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dst_access_mask: vk::ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
vk::ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT,
old_layout: vk::ImageLayout::Undefined,
new_layout: vk::ImageLayout::DepthStencilAttachmentOptimal,
src_queue_family_index: vk::VK_QUEUE_FAMILY_IGNORED,
dst_queue_family_index: vk::VK_QUEUE_FAMILY_IGNORED,
image: depth_image,
subresource_range: vk::ImageSubresourceRange {
aspect_mask: vk::IMAGE_ASPECT_DEPTH_BIT,
base_mip_level: 0,
level_count: 1,
base_array_layer: 0,
layer_count: 1,
},
};
device.cmd_pipeline_barrier(setup_command_buffer,
vk::PIPELINE_STAGE_TOP_OF_PIPE_BIT,
vk::PIPELINE_STAGE_TOP_OF_PIPE_BIT,
vk::DEPENDENCY_BY_REGION_BIT,
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&[],
&[],
&[layout_transition_barrier]);
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let wait_stage_mask = [vk::PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT];
let fence_create_info = vk::FenceCreateInfo {
s_type: vk::StructureType::FenceCreateInfo,
p_next: ptr::null(),
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flags: vk::FenceCreateFlags::empty(),
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};
let submit_fence = device.create_fence(&fence_create_info).unwrap();
let submit_info = vk::SubmitInfo {
s_type: vk::StructureType::SubmitInfo,
p_next: ptr::null(),
wait_semaphore_count: 0,
p_wait_semaphores: ptr::null(),
signal_semaphore_count: 0,
p_signal_semaphores: ptr::null(),
p_wait_dst_stage_mask: wait_stage_mask.as_ptr(),
command_buffer_count: 1,
p_command_buffers: &setup_command_buffer,
};
device.end_command_buffer(setup_command_buffer).unwrap();
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device.queue_submit(present_queue, 1, &submit_info, submit_fence).unwrap();
device.wait_for_fences(&[submit_fence], true, std::u64::MAX).unwrap();
let depth_image_view_info = vk::ImageViewCreateInfo {
s_type: vk::StructureType::ImageViewCreateInfo,
p_next: ptr::null(),
flags: 0,
view_type: vk::ImageViewType::Type2d,
format: depth_image_create_info.format,
components: vk::ComponentMapping {
r: vk::ComponentSwizzle::Identity,
g: vk::ComponentSwizzle::Identity,
b: vk::ComponentSwizzle::Identity,
a: vk::ComponentSwizzle::Identity,
},
subresource_range: vk::ImageSubresourceRange {
aspect_mask: vk::IMAGE_ASPECT_DEPTH_BIT,
base_mip_level: 0,
level_count: 1,
base_array_layer: 0,
layer_count: 1,
},
image: depth_image,
};
let depth_image_view = device.create_image_view(&depth_image_view_info).unwrap();
let renderpass_attachments = [vk::AttachmentDescription {
format: surface_format.format,
flags: vk::AttachmentDescriptionFlags::empty(),
samples: vk::SAMPLE_COUNT_1_BIT,
load_op: vk::AttachmentLoadOp::Clear,
store_op: vk::AttachmentStoreOp::Store,
stencil_load_op: vk::AttachmentLoadOp::DontCare,
stencil_store_op: vk::AttachmentStoreOp::DontCare,
initial_layout: vk::ImageLayout::ColorAttachmentOptimal,
final_layout: vk::ImageLayout::ColorAttachmentOptimal,
},
vk::AttachmentDescription {
format: depth_image_create_info.format,
flags: vk::AttachmentDescriptionFlags::empty(),
samples: vk::SAMPLE_COUNT_1_BIT,
load_op: vk::AttachmentLoadOp::Clear,
store_op: vk::AttachmentStoreOp::DontCare,
stencil_load_op: vk::AttachmentLoadOp::DontCare,
stencil_store_op: vk::AttachmentStoreOp::DontCare,
initial_layout:
vk::ImageLayout::DepthStencilAttachmentOptimal,
final_layout: vk::ImageLayout::DepthStencilAttachmentOptimal,
}];
let color_attachment_ref = vk::AttachmentReference {
attachment: 0,
layout: vk::ImageLayout::ColorAttachmentOptimal,
};
let depth_attachment_ref = vk::AttachmentReference {
attachment: 1,
layout: vk::ImageLayout::DepthStencilAttachmentOptimal,
};
let subpass = vk::SubpassDescription {
color_attachment_count: 1,
p_color_attachments: &color_attachment_ref,
p_depth_stencil_attachment: &depth_attachment_ref,
// TODO: Why is there no wrapper?
flags: 0,
pipeline_bind_point: vk::PipelineBindPoint::Graphics,
input_attachment_count: 0,
p_input_attachments: ptr::null(),
p_resolve_attachments: ptr::null(),
preserve_attachment_count: 0,
p_preserve_attachments: ptr::null(),
};
let renderpass_create_info = vk::RenderPassCreateInfo {
s_type: vk::StructureType::RenderPassCreateInfo,
flags: 0,
p_next: ptr::null(),
attachment_count: renderpass_attachments.len() as u32,
p_attachments: renderpass_attachments.as_ptr(),
subpass_count: 1,
p_subpasses: &subpass,
dependency_count: 0,
p_dependencies: ptr::null(),
};
let renderpass = device.create_render_pass(&renderpass_create_info).unwrap();
let framebuffers: Vec<vk::Framebuffer> = present_image_views.iter()
.map(|&present_image_view| {
let framebuffer_attachments = [present_image_view, depth_image_view];
let frame_buffer_create_info = vk::FramebufferCreateInfo {
s_type: vk::StructureType::FramebufferCreateInfo,
p_next: ptr::null(),
flags: 0,
render_pass: renderpass,
attachment_count: framebuffer_attachments.len() as u32,
p_attachments: framebuffer_attachments.as_ptr(),
width: surface_resoultion.width,
height: surface_resoultion.height,
layers: 1,
};
device.create_framebuffer(&frame_buffer_create_info).unwrap()
})
.collect();
let vertex_input_buffer_info = vk::BufferCreateInfo {
s_type: vk::StructureType::BufferCreateInfo,
p_next: ptr::null(),
flags: vk::BufferCreateFlags::empty(),
size: 3 * std::mem::size_of::<Vertex>() as u64,
usage: vk::BUFFER_USAGE_VERTEX_BUFFER_BIT,
sharing_mode: vk::SharingMode::Exclusive,
queue_family_index_count: 0,
p_queue_family_indices: ptr::null(),
};
let vertex_input_buffer = device.create_buffer(&vertex_input_buffer_info).unwrap();
let vertex_input_buffer_memory_req = device.get_buffer_memory_requirements(vertex_input_buffer);
let vertex_input_buffer_memory_index =
find_memorytype_index(&vertex_input_buffer_memory_req,
&device_memory_properties,
vk::MEMORY_PROPERTY_HOST_VISIBLE_BIT)
.expect("Unable to find suitable memorytype for the vertex buffer.");
let vertex_buffer_allocate_info = vk::MemoryAllocateInfo {
s_type: vk::StructureType::MemoryAllocateInfo,
p_next: ptr::null(),
allocation_size: vertex_input_buffer_memory_req.size,
memory_type_index: vertex_input_buffer_memory_index,
};
let vertex_input_buffer_memory = device.allocate_memory(&vertex_buffer_allocate_info).unwrap();
let slice = device.map_memory::<Vertex>(vertex_input_buffer_memory,
0,
vertex_input_buffer_info.size,
0)
.unwrap();
let vertices = [Vertex {
x: -1.0,
y: 1.0,
z: 0.0,
w: 1.0,
},
Vertex {
x: 1.0,
y: 1.0,
z: 0.0,
w: 1.0,
},
Vertex {
x: 0.0,
y: -1.0,
z: 0.0,
w: 1.0,
}];
slice.copy_from_slice(&vertices);
printlndb!((slice));
device.unmap_memory(vertex_input_buffer_memory);
device.bind_buffer_memory(vertex_input_buffer, vertex_input_buffer_memory, 0).unwrap();
let vertex_spv_file = File::open(Path::new("vert.spv")).expect("Could not find vert.spv.");
let frag_spv_file = File::open(Path::new("frag.spv")).expect("Could not find frag.spv.");
let vertex_bytes: Vec<u8> = vertex_spv_file.bytes().filter_map(|byte| byte.ok()).collect();
let vertex_shader_info = vk::ShaderModuleCreateInfo {
s_type: vk::StructureType::ShaderModuleCreateInfo,
p_next: ptr::null(),
flags: 0,
code_size: vertex_bytes.len(),
p_code: vertex_bytes.as_ptr() as *const u32,
};
let frag_bytes: Vec<u8> = frag_spv_file.bytes().filter_map(|byte| byte.ok()).collect();
let frag_shader_info = vk::ShaderModuleCreateInfo {
s_type: vk::StructureType::ShaderModuleCreateInfo,
p_next: ptr::null(),
flags: 0,
code_size: frag_bytes.len(),
p_code: frag_bytes.as_ptr() as *const u32,
};
let vertex_shader_module = device.create_shader_module(&vertex_shader_info)
.expect("Vertex shader module error");
let frag_shader_module = device.create_shader_module(&frag_shader_info)
.expect("Fragment shader module error");
device.destroy_shader_module(vertex_shader_module);
device.destroy_shader_module(frag_shader_module);
device.free_memory(vertex_input_buffer_memory);
device.destroy_buffer(vertex_input_buffer);
for framebuffer in framebuffers {
device.destroy_framebuffer(framebuffer);
}
device.destroy_render_pass(renderpass);
device.destroy_image_view(depth_image_view);
device.destroy_fence(submit_fence);
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device.free_memory(depth_image_memory);
device.destroy_image(depth_image);
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for image_view in present_image_views {
device.destroy_image_view(image_view);
}
device.destroy_command_pool(pool);
device.destroy_swapchain_khr(swapchain);
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device.destroy_device();
instance.destroy_surface_khr(surface);
instance.destroy_instance();
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}