mirror of
https://github.com/vulkano-rs/vulkano.git
synced 2024-11-22 06:45:23 +00:00
854 lines
32 KiB
Rust
854 lines
32 KiB
Rust
fn main() -> Result<(), winit::error::EventLoopError> {
|
|
#[cfg(target_os = "linux")]
|
|
{
|
|
linux::main()
|
|
}
|
|
#[cfg(not(target_os = "linux"))]
|
|
{
|
|
Ok(println!("Not Implemented"))
|
|
}
|
|
}
|
|
|
|
// TODO: Can this be demonstrated for other platforms as well?
|
|
#[cfg(target_os = "linux")]
|
|
mod linux {
|
|
use glium::glutin::{self, platform::unix::HeadlessContextExt};
|
|
use std::{
|
|
sync::{Arc, Barrier},
|
|
time::Instant,
|
|
};
|
|
use vulkano::{
|
|
buffer::{Buffer, BufferContents, BufferCreateInfo, BufferUsage, Subbuffer},
|
|
command_buffer::{
|
|
allocator::StandardCommandBufferAllocator, AutoCommandBufferBuilder,
|
|
CommandBufferUsage, RenderPassBeginInfo, SemaphoreSubmitInfo, SubmitInfo,
|
|
},
|
|
descriptor_set::{
|
|
allocator::StandardDescriptorSetAllocator, DescriptorSet, WriteDescriptorSet,
|
|
},
|
|
device::{
|
|
physical::PhysicalDeviceType, Device, DeviceCreateInfo, DeviceExtensions, Queue,
|
|
QueueCreateInfo, QueueFlags,
|
|
},
|
|
format::Format,
|
|
image::{
|
|
sampler::{Filter, Sampler, SamplerAddressMode, SamplerCreateInfo},
|
|
sys::RawImage,
|
|
view::ImageView,
|
|
Image, ImageCreateFlags, ImageCreateInfo, ImageType, ImageUsage,
|
|
},
|
|
instance::{
|
|
debug::{
|
|
DebugUtilsMessenger, DebugUtilsMessengerCallback, DebugUtilsMessengerCreateInfo,
|
|
},
|
|
Instance, InstanceCreateFlags, InstanceCreateInfo, InstanceExtensions,
|
|
},
|
|
memory::{
|
|
allocator::{
|
|
AllocationCreateInfo, MemoryAllocator, MemoryTypeFilter, StandardMemoryAllocator,
|
|
},
|
|
DedicatedAllocation, DeviceMemory, ExternalMemoryHandleType, ExternalMemoryHandleTypes,
|
|
MemoryAllocateInfo, ResourceMemory,
|
|
},
|
|
pipeline::{
|
|
graphics::{
|
|
color_blend::{AttachmentBlend, ColorBlendAttachmentState, ColorBlendState},
|
|
input_assembly::{InputAssemblyState, PrimitiveTopology},
|
|
multisample::MultisampleState,
|
|
rasterization::RasterizationState,
|
|
vertex_input::{Vertex, VertexDefinition},
|
|
viewport::{Viewport, ViewportState},
|
|
GraphicsPipelineCreateInfo,
|
|
},
|
|
layout::PipelineDescriptorSetLayoutCreateInfo,
|
|
DynamicState, GraphicsPipeline, Pipeline, PipelineBindPoint, PipelineLayout,
|
|
PipelineShaderStageCreateInfo,
|
|
},
|
|
render_pass::{Framebuffer, FramebufferCreateInfo, RenderPass, Subpass},
|
|
swapchain::{
|
|
acquire_next_image, Surface, Swapchain, SwapchainCreateInfo, SwapchainPresentInfo,
|
|
},
|
|
sync::{
|
|
self,
|
|
semaphore::{
|
|
ExternalSemaphoreHandleType, ExternalSemaphoreHandleTypes, Semaphore,
|
|
SemaphoreCreateInfo,
|
|
},
|
|
GpuFuture,
|
|
},
|
|
Validated, VulkanError, VulkanLibrary,
|
|
};
|
|
use winit::{
|
|
application::ApplicationHandler,
|
|
error::EventLoopError,
|
|
event::WindowEvent,
|
|
event_loop::{ActiveEventLoop, EventLoop},
|
|
window::{Window, WindowId},
|
|
};
|
|
|
|
pub fn main() -> Result<(), EventLoopError> {
|
|
let event_loop = EventLoop::new().unwrap();
|
|
let mut app = App::new(&event_loop);
|
|
|
|
event_loop.run_app(&mut app)
|
|
}
|
|
|
|
struct App {
|
|
instance: Arc<Instance>,
|
|
device: Arc<Device>,
|
|
queue: Arc<Queue>,
|
|
descriptor_set_allocator: Arc<StandardDescriptorSetAllocator>,
|
|
command_buffer_allocator: Arc<StandardCommandBufferAllocator>,
|
|
vertex_buffer: Subbuffer<[MyVertex]>,
|
|
image_view: Arc<ImageView>,
|
|
sampler: Arc<Sampler>,
|
|
barrier: Arc<Barrier>,
|
|
barrier_2: Arc<Barrier>,
|
|
acquire_sem: Arc<Semaphore>,
|
|
release_sem: Arc<Semaphore>,
|
|
rcx: Option<RenderContext>,
|
|
}
|
|
|
|
struct RenderContext {
|
|
window: Arc<Window>,
|
|
swapchain: Arc<Swapchain>,
|
|
render_pass: Arc<RenderPass>,
|
|
framebuffers: Vec<Arc<Framebuffer>>,
|
|
pipeline: Arc<GraphicsPipeline>,
|
|
viewport: Viewport,
|
|
descriptor_set: Arc<DescriptorSet>,
|
|
recreate_swapchain: bool,
|
|
previous_frame_end: Option<Box<dyn GpuFuture>>,
|
|
}
|
|
|
|
impl App {
|
|
fn new(event_loop: &EventLoop<()>) -> Self {
|
|
let event_loop_gl = winit_glium::event_loop::EventLoop::new();
|
|
// For some reason, this must be created before the vulkan window
|
|
let hrb = glutin::ContextBuilder::new()
|
|
.with_gl_debug_flag(true)
|
|
.with_gl(glutin::GlRequest::Latest)
|
|
.build_surfaceless(&event_loop_gl)
|
|
.unwrap();
|
|
|
|
let hrb_vk = glutin::ContextBuilder::new()
|
|
.with_gl_debug_flag(true)
|
|
.with_gl(glutin::GlRequest::Latest)
|
|
.build_surfaceless(&event_loop_gl)
|
|
.unwrap();
|
|
|
|
// Used for checking device and driver UUIDs.
|
|
let display = glium::HeadlessRenderer::with_debug(
|
|
hrb_vk,
|
|
glium::debug::DebugCallbackBehavior::PrintAll,
|
|
)
|
|
.unwrap();
|
|
|
|
let library = VulkanLibrary::new().unwrap();
|
|
let required_extensions = Surface::required_extensions(event_loop).unwrap();
|
|
let instance = Instance::new(
|
|
library,
|
|
InstanceCreateInfo {
|
|
flags: InstanceCreateFlags::ENUMERATE_PORTABILITY,
|
|
enabled_extensions: InstanceExtensions {
|
|
khr_get_physical_device_properties2: true,
|
|
khr_external_memory_capabilities: true,
|
|
khr_external_semaphore_capabilities: true,
|
|
khr_external_fence_capabilities: true,
|
|
ext_debug_utils: true,
|
|
..required_extensions
|
|
},
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let _debug_callback = unsafe {
|
|
DebugUtilsMessenger::new(
|
|
instance.clone(),
|
|
DebugUtilsMessengerCreateInfo::user_callback(DebugUtilsMessengerCallback::new(
|
|
|message_severity, message_type, callback_data| {
|
|
println!(
|
|
"{} {:?} {:?}: {}",
|
|
callback_data.message_id_name.unwrap_or("unknown"),
|
|
message_type,
|
|
message_severity,
|
|
callback_data.message,
|
|
);
|
|
},
|
|
)),
|
|
)
|
|
}
|
|
.unwrap();
|
|
|
|
let device_extensions = DeviceExtensions {
|
|
khr_external_semaphore: true,
|
|
khr_external_semaphore_fd: true,
|
|
khr_external_memory: true,
|
|
khr_external_memory_fd: true,
|
|
khr_external_fence: true,
|
|
khr_external_fence_fd: true,
|
|
khr_swapchain: true,
|
|
..DeviceExtensions::empty()
|
|
};
|
|
|
|
let (physical_device, queue_family_index) = instance
|
|
.enumerate_physical_devices()
|
|
.unwrap()
|
|
.filter(|p| p.supported_extensions().contains(&device_extensions))
|
|
.filter_map(|p| {
|
|
p.queue_family_properties()
|
|
.iter()
|
|
.enumerate()
|
|
.position(|(i, q)| {
|
|
q.queue_flags.intersects(QueueFlags::GRAPHICS)
|
|
&& p.presentation_support(i as u32, event_loop).unwrap()
|
|
})
|
|
.map(|i| (p, i as u32))
|
|
})
|
|
.filter(|(p, _)| {
|
|
p.properties().driver_uuid.unwrap() == display.driver_uuid().unwrap()
|
|
})
|
|
.filter(|(p, _)| {
|
|
display
|
|
.device_uuids()
|
|
.unwrap()
|
|
.contains(&p.properties().device_uuid.unwrap())
|
|
})
|
|
.min_by_key(|(p, _)| match p.properties().device_type {
|
|
PhysicalDeviceType::DiscreteGpu => 0,
|
|
PhysicalDeviceType::IntegratedGpu => 1,
|
|
PhysicalDeviceType::VirtualGpu => 2,
|
|
PhysicalDeviceType::Cpu => 3,
|
|
PhysicalDeviceType::Other => 4,
|
|
_ => 5,
|
|
})
|
|
.unwrap();
|
|
|
|
println!(
|
|
"Using device: {} (type: {:?})",
|
|
physical_device.properties().device_name,
|
|
physical_device.properties().device_type,
|
|
);
|
|
|
|
let (device, mut queues) = Device::new(
|
|
physical_device,
|
|
DeviceCreateInfo {
|
|
enabled_extensions: device_extensions,
|
|
queue_create_infos: vec![QueueCreateInfo {
|
|
queue_family_index,
|
|
..Default::default()
|
|
}],
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let queue = queues.next().unwrap();
|
|
|
|
let memory_allocator = Arc::new(StandardMemoryAllocator::new_default(device.clone()));
|
|
let descriptor_set_allocator = Arc::new(StandardDescriptorSetAllocator::new(
|
|
device.clone(),
|
|
Default::default(),
|
|
));
|
|
let command_buffer_allocator = Arc::new(StandardCommandBufferAllocator::new(
|
|
device.clone(),
|
|
Default::default(),
|
|
));
|
|
|
|
let vertices = [
|
|
MyVertex {
|
|
position: [-0.5, -0.5],
|
|
},
|
|
MyVertex {
|
|
position: [-0.5, 0.5],
|
|
},
|
|
MyVertex {
|
|
position: [0.5, -0.5],
|
|
},
|
|
MyVertex {
|
|
position: [0.5, 0.5],
|
|
},
|
|
];
|
|
let vertex_buffer = Buffer::from_iter(
|
|
memory_allocator.clone(),
|
|
BufferCreateInfo {
|
|
usage: BufferUsage::VERTEX_BUFFER,
|
|
..Default::default()
|
|
},
|
|
AllocationCreateInfo {
|
|
memory_type_filter: MemoryTypeFilter::PREFER_DEVICE
|
|
| MemoryTypeFilter::HOST_SEQUENTIAL_WRITE,
|
|
..Default::default()
|
|
},
|
|
vertices,
|
|
)
|
|
.unwrap();
|
|
|
|
let raw_image = RawImage::new(
|
|
device.clone(),
|
|
ImageCreateInfo {
|
|
flags: ImageCreateFlags::MUTABLE_FORMAT,
|
|
image_type: ImageType::Dim2d,
|
|
format: Format::R16G16B16A16_UNORM,
|
|
extent: [200, 200, 1],
|
|
usage: ImageUsage::TRANSFER_SRC
|
|
| ImageUsage::TRANSFER_DST
|
|
| ImageUsage::SAMPLED,
|
|
external_memory_handle_types: ExternalMemoryHandleTypes::OPAQUE_FD,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let image_requirements = raw_image.memory_requirements()[0];
|
|
|
|
let image_memory = DeviceMemory::allocate(
|
|
device.clone(),
|
|
MemoryAllocateInfo {
|
|
allocation_size: image_requirements.layout.size(),
|
|
memory_type_index: memory_allocator
|
|
.find_memory_type_index(
|
|
image_requirements.memory_type_bits,
|
|
MemoryTypeFilter::PREFER_DEVICE,
|
|
)
|
|
.unwrap(),
|
|
dedicated_allocation: Some(DedicatedAllocation::Image(&raw_image)),
|
|
export_handle_types: ExternalMemoryHandleTypes::OPAQUE_FD,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let allocation_size = image_memory.allocation_size();
|
|
let image_fd = image_memory
|
|
.export_fd(ExternalMemoryHandleType::OpaqueFd)
|
|
.unwrap();
|
|
|
|
// SAFETY: we just created this raw image and hasn't bound any memory to it.
|
|
let image = Arc::new(
|
|
unsafe { raw_image.bind_memory([ResourceMemory::new_dedicated(image_memory)]) }
|
|
.map_err(|(err, _, _)| err)
|
|
.unwrap(),
|
|
);
|
|
|
|
let image_view = ImageView::new_default(image).unwrap();
|
|
|
|
let sampler = Sampler::new(
|
|
device.clone(),
|
|
SamplerCreateInfo {
|
|
mag_filter: Filter::Linear,
|
|
min_filter: Filter::Linear,
|
|
address_mode: [SamplerAddressMode::Repeat; 3],
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let barrier = Arc::new(Barrier::new(2));
|
|
let barrier_2 = Arc::new(Barrier::new(2));
|
|
|
|
let acquire_sem = Arc::new(
|
|
Semaphore::new(
|
|
device.clone(),
|
|
SemaphoreCreateInfo {
|
|
export_handle_types: ExternalSemaphoreHandleTypes::OPAQUE_FD,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap(),
|
|
);
|
|
let release_sem = Arc::new(
|
|
Semaphore::new(
|
|
device.clone(),
|
|
SemaphoreCreateInfo {
|
|
export_handle_types: ExternalSemaphoreHandleTypes::OPAQUE_FD,
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap(),
|
|
);
|
|
|
|
let acquire_fd =
|
|
unsafe { acquire_sem.export_fd(ExternalSemaphoreHandleType::OpaqueFd) }.unwrap();
|
|
let release_fd =
|
|
unsafe { release_sem.export_fd(ExternalSemaphoreHandleType::OpaqueFd) }.unwrap();
|
|
|
|
let barrier_clone = barrier.clone();
|
|
let barrier_2_clone = barrier_2.clone();
|
|
|
|
build_display(hrb, move |gl_display| {
|
|
let gl_tex = unsafe {
|
|
glium::texture::Texture2d::new_from_fd(
|
|
gl_display.as_ref(),
|
|
glium::texture::UncompressedFloatFormat::U16U16U16U16,
|
|
glium::texture::MipmapsOption::NoMipmap,
|
|
glium::texture::Dimensions::Texture2d {
|
|
width: 200,
|
|
height: 200,
|
|
},
|
|
glium::texture::ImportParameters {
|
|
dedicated_memory: true,
|
|
size: allocation_size,
|
|
offset: 0,
|
|
tiling: glium::texture::ExternalTilingMode::Optimal,
|
|
},
|
|
image_fd,
|
|
)
|
|
}
|
|
.unwrap();
|
|
|
|
let gl_acquire_sem = unsafe {
|
|
glium::semaphore::Semaphore::new_from_fd(gl_display.as_ref(), acquire_fd)
|
|
}
|
|
.unwrap();
|
|
let gl_release_sem = unsafe {
|
|
glium::semaphore::Semaphore::new_from_fd(gl_display.as_ref(), release_fd)
|
|
}
|
|
.unwrap();
|
|
|
|
let rotation_start = Instant::now();
|
|
|
|
loop {
|
|
barrier_clone.wait();
|
|
gl_acquire_sem.wait_textures(Some(&[(
|
|
&gl_tex,
|
|
glium::semaphore::TextureLayout::General,
|
|
)]));
|
|
|
|
gl_display.get_context().flush();
|
|
|
|
let elapsed = rotation_start.elapsed();
|
|
let rotation = elapsed.as_nanos() as f64 / 2_000_000_000.0;
|
|
|
|
use glium::Surface;
|
|
{
|
|
let mut fb = gl_tex.as_surface();
|
|
|
|
fb.clear_color(
|
|
0.0,
|
|
(((rotation as f32).sin() + 1.) / 2.).powf(2.2),
|
|
0.0,
|
|
1.0,
|
|
);
|
|
}
|
|
gl_release_sem.signal_textures(Some(&[(
|
|
&gl_tex,
|
|
glium::semaphore::TextureLayout::General,
|
|
)]));
|
|
barrier_2_clone.wait();
|
|
|
|
gl_display.get_context().finish();
|
|
|
|
gl_display.get_context().assert_no_error(Some("err"));
|
|
}
|
|
});
|
|
|
|
App {
|
|
instance,
|
|
device,
|
|
queue,
|
|
descriptor_set_allocator,
|
|
command_buffer_allocator,
|
|
vertex_buffer,
|
|
sampler,
|
|
image_view,
|
|
barrier,
|
|
barrier_2,
|
|
acquire_sem,
|
|
release_sem,
|
|
rcx: None,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl ApplicationHandler for App {
|
|
fn resumed(&mut self, event_loop: &ActiveEventLoop) {
|
|
let window = Arc::new(
|
|
event_loop
|
|
.create_window(Window::default_attributes())
|
|
.unwrap(),
|
|
);
|
|
let surface = Surface::from_window(self.instance.clone(), window.clone()).unwrap();
|
|
let window_size = window.inner_size();
|
|
|
|
let (swapchain, images) = {
|
|
let surface_capabilities = self
|
|
.device
|
|
.physical_device()
|
|
.surface_capabilities(&surface, Default::default())
|
|
.unwrap();
|
|
let (image_format, _) = self
|
|
.device
|
|
.physical_device()
|
|
.surface_formats(&surface, Default::default())
|
|
.unwrap()[0];
|
|
|
|
Swapchain::new(
|
|
self.device.clone(),
|
|
surface,
|
|
SwapchainCreateInfo {
|
|
min_image_count: surface_capabilities.min_image_count.max(2),
|
|
image_format,
|
|
image_extent: window_size.into(),
|
|
image_usage: ImageUsage::COLOR_ATTACHMENT,
|
|
composite_alpha: surface_capabilities
|
|
.supported_composite_alpha
|
|
.into_iter()
|
|
.next()
|
|
.unwrap(),
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap()
|
|
};
|
|
|
|
let render_pass = vulkano::single_pass_renderpass!(
|
|
self.device.clone(),
|
|
attachments: {
|
|
color: {
|
|
format: swapchain.image_format(),
|
|
samples: 1,
|
|
load_op: Clear,
|
|
store_op: Store,
|
|
},
|
|
},
|
|
pass: {
|
|
color: [color],
|
|
depth_stencil: {},
|
|
},
|
|
)
|
|
.unwrap();
|
|
|
|
let framebuffers = window_size_dependent_setup(&images, &render_pass);
|
|
|
|
let pipeline = {
|
|
let vs = vs::load(self.device.clone())
|
|
.unwrap()
|
|
.entry_point("main")
|
|
.unwrap();
|
|
let fs = fs::load(self.device.clone())
|
|
.unwrap()
|
|
.entry_point("main")
|
|
.unwrap();
|
|
let vertex_input_state = MyVertex::per_vertex().definition(&vs).unwrap();
|
|
let stages = [
|
|
PipelineShaderStageCreateInfo::new(vs),
|
|
PipelineShaderStageCreateInfo::new(fs),
|
|
];
|
|
let layout = PipelineLayout::new(
|
|
self.device.clone(),
|
|
PipelineDescriptorSetLayoutCreateInfo::from_stages(&stages)
|
|
.into_pipeline_layout_create_info(self.device.clone())
|
|
.unwrap(),
|
|
)
|
|
.unwrap();
|
|
let subpass = Subpass::from(render_pass.clone(), 0).unwrap();
|
|
|
|
GraphicsPipeline::new(
|
|
self.device.clone(),
|
|
None,
|
|
GraphicsPipelineCreateInfo {
|
|
stages: stages.into_iter().collect(),
|
|
vertex_input_state: Some(vertex_input_state),
|
|
input_assembly_state: Some(InputAssemblyState {
|
|
topology: PrimitiveTopology::TriangleStrip,
|
|
..Default::default()
|
|
}),
|
|
viewport_state: Some(ViewportState::default()),
|
|
rasterization_state: Some(RasterizationState::default()),
|
|
multisample_state: Some(MultisampleState::default()),
|
|
color_blend_state: Some(ColorBlendState::with_attachment_states(
|
|
subpass.num_color_attachments(),
|
|
ColorBlendAttachmentState {
|
|
blend: Some(AttachmentBlend::alpha()),
|
|
..Default::default()
|
|
},
|
|
)),
|
|
dynamic_state: [DynamicState::Viewport].into_iter().collect(),
|
|
subpass: Some(subpass.into()),
|
|
..GraphicsPipelineCreateInfo::layout(layout)
|
|
},
|
|
)
|
|
.unwrap()
|
|
};
|
|
|
|
let viewport = Viewport {
|
|
offset: [0.0, 0.0],
|
|
extent: window_size.into(),
|
|
depth_range: 0.0..=1.0,
|
|
};
|
|
|
|
let layout = &pipeline.layout().set_layouts()[0];
|
|
|
|
let descriptor_set = DescriptorSet::new(
|
|
self.descriptor_set_allocator.clone(),
|
|
layout.clone(),
|
|
[
|
|
WriteDescriptorSet::sampler(0, self.sampler.clone()),
|
|
WriteDescriptorSet::image_view(1, self.image_view.clone()),
|
|
],
|
|
[],
|
|
)
|
|
.unwrap();
|
|
|
|
let previous_frame_end = Some(sync::now(self.device.clone()).boxed());
|
|
|
|
self.rcx = Some(RenderContext {
|
|
window,
|
|
swapchain,
|
|
render_pass,
|
|
framebuffers,
|
|
pipeline,
|
|
viewport,
|
|
descriptor_set,
|
|
recreate_swapchain: false,
|
|
previous_frame_end,
|
|
});
|
|
}
|
|
|
|
fn window_event(
|
|
&mut self,
|
|
event_loop: &ActiveEventLoop,
|
|
_window_id: WindowId,
|
|
event: WindowEvent,
|
|
) {
|
|
let rcx = self.rcx.as_mut().unwrap();
|
|
|
|
match event {
|
|
WindowEvent::CloseRequested => {
|
|
event_loop.exit();
|
|
}
|
|
WindowEvent::Resized(_) => {
|
|
rcx.recreate_swapchain = true;
|
|
}
|
|
WindowEvent::RedrawRequested => {
|
|
self.queue
|
|
.with(|mut q| unsafe {
|
|
q.submit(
|
|
&[SubmitInfo {
|
|
signal_semaphores: vec![SemaphoreSubmitInfo::new(
|
|
self.acquire_sem.clone(),
|
|
)],
|
|
..Default::default()
|
|
}],
|
|
None,
|
|
)
|
|
})
|
|
.unwrap();
|
|
|
|
self.barrier.wait();
|
|
self.barrier_2.wait();
|
|
|
|
self.queue
|
|
.with(|mut q| unsafe {
|
|
q.submit(
|
|
&[SubmitInfo {
|
|
wait_semaphores: vec![SemaphoreSubmitInfo::new(
|
|
self.release_sem.clone(),
|
|
)],
|
|
..Default::default()
|
|
}],
|
|
None,
|
|
)
|
|
})
|
|
.unwrap();
|
|
|
|
let window_size = rcx.window.inner_size();
|
|
|
|
if window_size.width == 0 || window_size.height == 0 {
|
|
return;
|
|
}
|
|
|
|
rcx.previous_frame_end.as_mut().unwrap().cleanup_finished();
|
|
|
|
if rcx.recreate_swapchain {
|
|
let (new_swapchain, new_images) = rcx
|
|
.swapchain
|
|
.recreate(SwapchainCreateInfo {
|
|
image_extent: window_size.into(),
|
|
..rcx.swapchain.create_info()
|
|
})
|
|
.expect("failed to recreate swapchain");
|
|
|
|
rcx.swapchain = new_swapchain;
|
|
rcx.framebuffers =
|
|
window_size_dependent_setup(&new_images, &rcx.render_pass);
|
|
rcx.viewport.extent = window_size.into();
|
|
rcx.recreate_swapchain = false;
|
|
}
|
|
|
|
let (image_index, suboptimal, acquire_future) =
|
|
match acquire_next_image(rcx.swapchain.clone(), None)
|
|
.map_err(Validated::unwrap)
|
|
{
|
|
Ok(r) => r,
|
|
Err(VulkanError::OutOfDate) => {
|
|
rcx.recreate_swapchain = true;
|
|
return;
|
|
}
|
|
Err(e) => panic!("failed to acquire next image: {e}"),
|
|
};
|
|
|
|
if suboptimal {
|
|
rcx.recreate_swapchain = true;
|
|
}
|
|
|
|
let mut builder = AutoCommandBufferBuilder::primary(
|
|
self.command_buffer_allocator.clone(),
|
|
self.queue.queue_family_index(),
|
|
CommandBufferUsage::OneTimeSubmit,
|
|
)
|
|
.unwrap();
|
|
|
|
builder
|
|
.begin_render_pass(
|
|
RenderPassBeginInfo {
|
|
clear_values: vec![Some([0.0, 0.0, 1.0, 1.0].into())],
|
|
..RenderPassBeginInfo::framebuffer(
|
|
rcx.framebuffers[image_index as usize].clone(),
|
|
)
|
|
},
|
|
Default::default(),
|
|
)
|
|
.unwrap()
|
|
.set_viewport(0, [rcx.viewport.clone()].into_iter().collect())
|
|
.unwrap()
|
|
.bind_pipeline_graphics(rcx.pipeline.clone())
|
|
.unwrap()
|
|
.bind_descriptor_sets(
|
|
PipelineBindPoint::Graphics,
|
|
rcx.pipeline.layout().clone(),
|
|
0,
|
|
rcx.descriptor_set.clone(),
|
|
)
|
|
.unwrap()
|
|
.bind_vertex_buffers(0, self.vertex_buffer.clone())
|
|
.unwrap();
|
|
unsafe { builder.draw(self.vertex_buffer.len() as u32, 1, 0, 0) }.unwrap();
|
|
|
|
builder.end_render_pass(Default::default()).unwrap();
|
|
|
|
let command_buffer = builder.build().unwrap();
|
|
|
|
let future = rcx
|
|
.previous_frame_end
|
|
.take()
|
|
.unwrap()
|
|
.join(acquire_future)
|
|
.then_execute(self.queue.clone(), command_buffer)
|
|
.unwrap()
|
|
.then_swapchain_present(
|
|
self.queue.clone(),
|
|
SwapchainPresentInfo::swapchain_image_index(
|
|
rcx.swapchain.clone(),
|
|
image_index,
|
|
),
|
|
)
|
|
.then_signal_fence_and_flush();
|
|
|
|
match future.map_err(Validated::unwrap) {
|
|
Ok(future) => {
|
|
future.wait(None).unwrap();
|
|
rcx.previous_frame_end = Some(future.boxed());
|
|
}
|
|
Err(VulkanError::OutOfDate) => {
|
|
rcx.recreate_swapchain = true;
|
|
rcx.previous_frame_end = Some(sync::now(self.device.clone()).boxed());
|
|
}
|
|
Err(e) => {
|
|
println!("failed to flush future: {e}");
|
|
rcx.previous_frame_end = Some(sync::now(self.device.clone()).boxed());
|
|
}
|
|
};
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
fn about_to_wait(&mut self, _event_loop: &ActiveEventLoop) {
|
|
let rcx = self.rcx.as_mut().unwrap();
|
|
rcx.window.request_redraw();
|
|
}
|
|
}
|
|
|
|
#[derive(BufferContents, Vertex)]
|
|
#[repr(C)]
|
|
struct MyVertex {
|
|
#[format(R32G32_SFLOAT)]
|
|
position: [f32; 2],
|
|
}
|
|
|
|
fn build_display<F>(ctx: glutin::Context<glutin::NotCurrent>, f: F)
|
|
where
|
|
F: FnOnce(Box<dyn glium::backend::Facade>),
|
|
F: Send + 'static,
|
|
{
|
|
std::thread::spawn(move || {
|
|
let display = Box::new(
|
|
glium::HeadlessRenderer::with_debug(
|
|
ctx,
|
|
glium::debug::DebugCallbackBehavior::PrintAll,
|
|
)
|
|
.unwrap(),
|
|
);
|
|
|
|
f(display);
|
|
});
|
|
}
|
|
|
|
fn window_size_dependent_setup(
|
|
images: &[Arc<Image>],
|
|
render_pass: &Arc<RenderPass>,
|
|
) -> Vec<Arc<Framebuffer>> {
|
|
images
|
|
.iter()
|
|
.map(|image| {
|
|
let view = ImageView::new_default(image.clone()).unwrap();
|
|
|
|
Framebuffer::new(
|
|
render_pass.clone(),
|
|
FramebufferCreateInfo {
|
|
attachments: vec![view],
|
|
..Default::default()
|
|
},
|
|
)
|
|
.unwrap()
|
|
})
|
|
.collect::<Vec<_>>()
|
|
}
|
|
|
|
mod vs {
|
|
vulkano_shaders::shader! {
|
|
ty: "vertex",
|
|
src: r"
|
|
#version 450
|
|
layout(location = 0) in vec2 position;
|
|
layout(location = 0) out vec2 tex_coords;
|
|
void main() {
|
|
gl_Position = vec4(position, 0.0, 1.0);
|
|
tex_coords = position + vec2(0.5);
|
|
}
|
|
",
|
|
}
|
|
}
|
|
|
|
mod fs {
|
|
vulkano_shaders::shader! {
|
|
ty: "fragment",
|
|
src: r"
|
|
#version 450
|
|
layout(location = 0) in vec2 tex_coords;
|
|
layout(location = 0) out vec4 f_color;
|
|
|
|
layout(set = 0, binding = 0) uniform sampler s;
|
|
layout(set = 0, binding = 1) uniform texture2D tex;
|
|
|
|
void main() {
|
|
f_color = texture(sampler2D(tex, s), tex_coords);
|
|
}
|
|
",
|
|
}
|
|
}
|
|
}
|