First working code
+ implemented hal initialization code + implemented basic renderer + implemented basic window system
This commit is contained in:
parent
854f5e8c16
commit
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||||
checksum = "d94e89a86e6d6d7c7c9b19ebf48a03afaac4af6bc22ae570e9a24124b75358f4"
|
||||
dependencies = [
|
||||
"dlib",
|
||||
"lazy_static",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-build"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa515c5163a99cc82bab70fd3bfdd36d827be85de63737b40fcef2ce084a436e"
|
||||
dependencies = [
|
||||
"winapi 0.3.8",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "winit"
|
||||
version = "0.22.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e4ccbf7ddb6627828eace16cacde80fc6bf4dbb3469f88487262a02cf8e7862"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"cocoa",
|
||||
"core-foundation",
|
||||
"core-graphics",
|
||||
"core-video-sys",
|
||||
"dispatch",
|
||||
"instant",
|
||||
"lazy_static",
|
||||
"libc",
|
||||
"log",
|
||||
"mio",
|
||||
"mio-extras",
|
||||
"ndk",
|
||||
"ndk-glue",
|
||||
"ndk-sys",
|
||||
"objc",
|
||||
"parking_lot",
|
||||
"percent-encoding",
|
||||
"raw-window-handle",
|
||||
"smithay-client-toolkit",
|
||||
"wayland-client",
|
||||
"winapi 0.3.8",
|
||||
"x11-dl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "ws2_32-sys"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
|
||||
dependencies = [
|
||||
"winapi 0.2.8",
|
||||
"winapi-build",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "x11"
|
||||
version = "2.18.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "77ecd092546cb16f25783a5451538e73afc8d32e242648d54f4ae5459ba1e773"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"pkg-config",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "x11-dl"
|
||||
version = "2.18.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2bf981e3a5b3301209754218f962052d4d9ee97e478f4d26d4a6eced34c1fef8"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
"libc",
|
||||
"maybe-uninit",
|
||||
"pkg-config",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "xdg"
|
||||
version = "2.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
|
||||
|
||||
[[package]]
|
||||
name = "xml-rs"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2bb76e5c421bbbeb8924c60c030331b345555024d56261dae8f3e786ed817c23"
|
||||
18
Cargo.toml
18
Cargo.toml
@ -7,3 +7,21 @@ edition = "2018"
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
log = "0.4.8"
|
||||
chrono = "0.4.11"
|
||||
fern = "0.6.0"
|
||||
gfx-hal = "0.5.0"
|
||||
winit = "0.22.0"
|
||||
|
||||
[dependencies.gfx-backend-vulkan]
|
||||
version = "0.5"
|
||||
features = ["x11"]
|
||||
|
||||
[lib]
|
||||
name = "iv"
|
||||
path = "src/lib.rs"
|
||||
|
||||
[[bin]]
|
||||
name = "iv"
|
||||
path = "src/bin/main.rs"
|
||||
|
||||
|
||||
39
src/bin/main.rs
Normal file
39
src/bin/main.rs
Normal file
@ -0,0 +1,39 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug, error, info, trace, warn};
|
||||
|
||||
use chrono;
|
||||
|
||||
use ::iv::run;
|
||||
|
||||
fn setup_logger() -> Result<(), fern::InitError> {
|
||||
fern::Dispatch::new()
|
||||
.format(|out, message, record| {
|
||||
out.finish(format_args!(
|
||||
"{}[{}][{}] {}",
|
||||
chrono::Local::now().format("[%H:%M:%S]"),
|
||||
record.level(),
|
||||
record.target(),
|
||||
message
|
||||
))
|
||||
})
|
||||
.level(log::LevelFilter::Debug)
|
||||
.chain(std::io::stdout())
|
||||
.chain(fern::log_file("output.log")?)
|
||||
.apply()?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
||||
//pub fn draw_frame(hal : &mut HalState, local : &LocalState) -> Result<(), &'static str> {
|
||||
//
|
||||
// hal.draw_clear_frame(local.color());
|
||||
//}
|
||||
|
||||
pub fn main() -> Result<(), &'static str> {
|
||||
|
||||
setup_logger().unwrap();
|
||||
|
||||
run()?;
|
||||
//print!("test");
|
||||
Ok(())
|
||||
}
|
||||
498
src/hal.rs
Normal file
498
src/hal.rs
Normal file
@ -0,0 +1,498 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug,error, info, trace, warn};
|
||||
|
||||
use std::{
|
||||
mem::ManuallyDrop,
|
||||
iter,
|
||||
};
|
||||
|
||||
use core::ptr::read;
|
||||
|
||||
use gfx_hal::{
|
||||
Instance,
|
||||
device::Device,
|
||||
queue::QueueGroup,
|
||||
Backend,
|
||||
pool::CommandPool,
|
||||
pso::Rect,
|
||||
};
|
||||
|
||||
use gfx_backend_vulkan as vk_back;
|
||||
|
||||
use winit::window::Window;
|
||||
|
||||
pub mod render;
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct HalState {
|
||||
//items need to communicate with the GPU
|
||||
instance: ManuallyDrop<<vk_back::Backend as Backend>::Instance>,
|
||||
surface: ManuallyDrop<<vk_back::Backend as Backend>::Surface>,
|
||||
adapter: ManuallyDrop<gfx_hal::adapter::Adapter<vk_back::Backend>>,
|
||||
device: vk_back::Device,
|
||||
queue_group: ManuallyDrop<QueueGroup<vk_back::Backend>>,
|
||||
render_pass: ManuallyDrop<<vk_back::Backend as Backend>::RenderPass>,
|
||||
swapchain: ManuallyDrop<<vk_back::Backend as Backend>::Swapchain>,
|
||||
extent: gfx_hal::window::Extent2D,
|
||||
format: gfx_hal::format::Format,
|
||||
render_area: Rect,
|
||||
|
||||
//items needed to render the images
|
||||
sems_image_available: Vec<<vk_back::Backend as Backend>::Semaphore>,
|
||||
sems_render_finished: Vec<<vk_back::Backend as Backend>::Semaphore>,
|
||||
fences: Vec<<vk_back::Backend as Backend>::Fence>,
|
||||
image_views: Vec<<vk_back::Backend as Backend>::ImageView>,
|
||||
framebuffers: Vec<<vk_back::Backend as Backend>::Framebuffer>,
|
||||
|
||||
command_pool: ManuallyDrop<<vk_back::Backend as Backend>::CommandPool>,
|
||||
command_buffers: Vec<<vk_back::Backend as Backend>::CommandBuffer>,
|
||||
|
||||
//items needed to keep track of the images
|
||||
image_count: usize,
|
||||
current_image: usize,
|
||||
}
|
||||
|
||||
impl core::ops::Drop for HalState {
|
||||
|
||||
//----------------------------------------------------------------------------------------------
|
||||
fn drop(&mut self) {
|
||||
|
||||
let _ = self.device.wait_idle();
|
||||
|
||||
//destroy all underlying ressources
|
||||
debug!("Destroying HAL ressources");
|
||||
unsafe {
|
||||
self.command_pool.free(self.command_buffers.drain(..));
|
||||
self.device.destroy_command_pool(
|
||||
ManuallyDrop::into_inner(read(&mut self.command_pool)));
|
||||
for buffer in self.framebuffers.drain(..) {
|
||||
self.device.destroy_framebuffer(buffer);
|
||||
}
|
||||
for view in self.image_views.drain(..) {
|
||||
self.device.destroy_image_view(view);
|
||||
}
|
||||
for fence in self.fences.drain(..) {
|
||||
self.device.destroy_fence(fence);
|
||||
}
|
||||
for sem in self.sems_image_available.drain(..) {
|
||||
self.device.destroy_semaphore(sem);
|
||||
}
|
||||
for sem in self.sems_render_finished.drain(..) {
|
||||
self.device.destroy_semaphore(sem);
|
||||
}
|
||||
self.device.destroy_swapchain(ManuallyDrop::into_inner(read(&mut self.swapchain)));
|
||||
self.device.destroy_render_pass(ManuallyDrop::into_inner(read(&mut self.render_pass)));
|
||||
ManuallyDrop::drop(&mut self.queue_group);
|
||||
ManuallyDrop::drop(&mut self.adapter);
|
||||
self.instance.destroy_surface(ManuallyDrop::into_inner(read(&mut self.surface)));
|
||||
ManuallyDrop::drop(&mut self.instance);
|
||||
}
|
||||
info!("HAL ressources destroyed");
|
||||
}
|
||||
}
|
||||
|
||||
impl HalState {
|
||||
|
||||
//----------------------------------------------------------------------------------------------
|
||||
pub fn recreate_swapchain(&mut self) -> Result<(), &'static str> {
|
||||
use gfx_hal::window::{
|
||||
SwapchainConfig,
|
||||
Surface,
|
||||
};
|
||||
|
||||
debug!("Recreating swapchain");
|
||||
|
||||
//destroying previous swapchain
|
||||
unsafe {
|
||||
for buffer in self.framebuffers.drain(..) {
|
||||
self.device.destroy_framebuffer(buffer);
|
||||
}
|
||||
for view in self.image_views.drain(..) {
|
||||
self.device.destroy_image_view(view);
|
||||
}
|
||||
|
||||
self.device.destroy_swapchain(ManuallyDrop::into_inner(read(&mut self.swapchain)));
|
||||
}
|
||||
let capabilities = self.surface.capabilities(&self.adapter.physical_device);
|
||||
info!("{:#?}", capabilities);
|
||||
|
||||
//creating new swapchain
|
||||
let swapchain_config = SwapchainConfig::from_caps(&capabilities, self.format, self.extent);
|
||||
info!("{:?}", swapchain_config);
|
||||
|
||||
let (swapchain, backbuffer) = unsafe {
|
||||
self.device
|
||||
.create_swapchain(&mut self.surface, swapchain_config, None)
|
||||
.map_err(|_| "Failed to create swapchain and backbuffer")?
|
||||
};
|
||||
|
||||
let image_views : Vec<_> = {
|
||||
use gfx_hal::{
|
||||
image::{ViewKind, SubresourceRange},
|
||||
format::{Swizzle, Aspects},
|
||||
};
|
||||
|
||||
backbuffer
|
||||
.iter()
|
||||
.map(|img| unsafe {
|
||||
self.device
|
||||
.create_image_view(
|
||||
&img,
|
||||
ViewKind::D2,
|
||||
self.format,
|
||||
Swizzle::NO,
|
||||
SubresourceRange {
|
||||
aspects : Aspects::COLOR,
|
||||
levels : 0..1,
|
||||
layers : 0..1,
|
||||
},
|
||||
)
|
||||
.map_err(|_| "Could not create ImageViews")
|
||||
})
|
||||
.collect::<Result<Vec<_>, &str>>()?
|
||||
};
|
||||
|
||||
let framebuffers: Vec<_> = {
|
||||
|
||||
image_views
|
||||
.iter()
|
||||
.map(|image_view|
|
||||
unsafe {
|
||||
self.device
|
||||
.create_framebuffer(&self.render_pass,
|
||||
iter::once(image_view),
|
||||
self.extent.to_extent())
|
||||
.map_err(|_| "Could not create FrameBuffer")
|
||||
},
|
||||
)
|
||||
.collect::<Result<Vec<_>, &str>>()?
|
||||
};
|
||||
|
||||
self.swapchain = ManuallyDrop::new(swapchain);
|
||||
self.image_views = image_views;
|
||||
self.framebuffers = framebuffers;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------------------------------
|
||||
pub fn new(window: &Window) -> Result<HalState, &'static str> {
|
||||
use gfx_hal::adapter::Gpu;
|
||||
|
||||
// create top level
|
||||
let instance = vk_back::Instance::create("IV", 1)
|
||||
.map_err(|_| "Could not create instance")?;
|
||||
|
||||
let mut surface = unsafe {
|
||||
instance
|
||||
.create_surface(window)
|
||||
.map_err(|_| "Could not create Surface")?
|
||||
};
|
||||
|
||||
let (adapter, device, queue_group) = {
|
||||
use gfx_hal::{
|
||||
window::Surface,
|
||||
queue::family::QueueFamily,
|
||||
};
|
||||
|
||||
// find a adapter with a suitable queue family
|
||||
// TODO add weight for adapters
|
||||
let adapter =
|
||||
Instance::enumerate_adapters(&instance)
|
||||
.into_iter();
|
||||
// .find(|a| {
|
||||
// a.queue_families
|
||||
// .iter()
|
||||
// .any(|qf|
|
||||
// QueueFamily::queue_type(qf).supports_graphics()
|
||||
// && Surface::supports_queue_family(&surface, &qf)
|
||||
// )})
|
||||
// .ok_or("Could not find a graphical adapter")?;
|
||||
|
||||
debug!("Adapters : {:#?}", adapter);
|
||||
|
||||
let adapter =
|
||||
Instance::enumerate_adapters(&instance)
|
||||
.into_iter()
|
||||
.find(|a| {
|
||||
a.queue_families
|
||||
.iter()
|
||||
.any(|qf|
|
||||
QueueFamily::queue_type(qf).supports_graphics()
|
||||
&& Surface::supports_queue_family(&surface, &qf)
|
||||
)})
|
||||
.ok_or("Could not find a graphical adapter")?;
|
||||
|
||||
info!("Selected adapter : {}", adapter.info.name);
|
||||
|
||||
// get the suitable queue family index
|
||||
let queue_family = adapter
|
||||
.queue_families
|
||||
.iter()
|
||||
.find(|qf|
|
||||
QueueFamily::queue_type(*qf).supports_graphics()
|
||||
&& Surface::supports_queue_family(&surface, &qf))
|
||||
.ok_or("Could not find suitable queue_family")?;
|
||||
|
||||
// get the related physical device and queue family list
|
||||
let Gpu {device, queue_groups} = unsafe {
|
||||
use gfx_hal::{
|
||||
adapter::PhysicalDevice,
|
||||
Features,
|
||||
};
|
||||
|
||||
adapter
|
||||
.physical_device
|
||||
.open(&[(&queue_family, &[1.0; 1])], Features::empty())
|
||||
.map_err(|_| "Could not open physical device")?
|
||||
};
|
||||
|
||||
// retrieve the selected queue family
|
||||
let queue_group = queue_groups
|
||||
.into_iter()
|
||||
.find(|qg| qg.family == queue_family.id())
|
||||
.ok_or("Could not take ownership of the queue")?;
|
||||
|
||||
// check our harvest
|
||||
if queue_group.queues.len() <= 0 {
|
||||
return Err("The QueueGroup does not have any CommandQueues available");
|
||||
};
|
||||
|
||||
(adapter, device, queue_group)
|
||||
};
|
||||
|
||||
let (swapchain, extent, backbuffer, format, image_count) = {
|
||||
use gfx_hal::window::{
|
||||
SwapchainConfig,
|
||||
Surface,
|
||||
};
|
||||
|
||||
let capabilities = surface.capabilities(&adapter.physical_device);
|
||||
debug!("{:#?}", capabilities);
|
||||
|
||||
// select optimal presentation mode (vsync, triple buffuring, ...)
|
||||
let present_mode = {
|
||||
use gfx_hal::window::PresentMode;
|
||||
|
||||
[PresentMode::MAILBOX, PresentMode::FIFO,
|
||||
PresentMode::RELAXED, PresentMode::IMMEDIATE]
|
||||
.iter()
|
||||
.cloned()
|
||||
.find(|pm| capabilities.present_modes.contains(*pm))
|
||||
.ok_or("No PresentMode found")?
|
||||
};
|
||||
|
||||
// select optimal alpha composition
|
||||
// let composite_alpha_mode = {
|
||||
// use gfx_hal::window::CompositeAlphaMode;
|
||||
//
|
||||
// [CompositeAlphaMode::OPAQUE, CompositeAlphaMode::INHERIT,
|
||||
// CompositeAlphaMode::PREMULTIPLIED, CompositeAlphaMode::POSTMULTIPLIED]
|
||||
// .iter()
|
||||
// .cloned()
|
||||
// .find(|cam| capabilities.composite_alpha_modes.contains(*cam))
|
||||
// .ok_or("No CompositeAlphaMode found")?
|
||||
// };
|
||||
|
||||
// select optimal format (sRGB)
|
||||
let format = {
|
||||
use gfx_hal::format::{Format, ChannelType};
|
||||
|
||||
match surface.supported_formats(&adapter.physical_device) {
|
||||
None => Format::Rgba8Srgb,
|
||||
Some(formats) => formats
|
||||
.iter()
|
||||
.find(|f| f.base_format().1 == ChannelType::Srgb)
|
||||
.cloned()
|
||||
.ok_or("Could no find suitabe format")?
|
||||
}};
|
||||
|
||||
let extent = capabilities.extents.end().clone();
|
||||
|
||||
// verify swapchain size
|
||||
let image_count = {
|
||||
use gfx_hal::window::PresentMode;
|
||||
|
||||
capabilities.image_count.end()
|
||||
.min(capabilities.image_count.start()
|
||||
.max(match present_mode {
|
||||
PresentMode::MAILBOX => &3,
|
||||
PresentMode::FIFO => &2,
|
||||
_ => &1,
|
||||
})).clone()
|
||||
};
|
||||
debug!("image count : {}", image_count);
|
||||
|
||||
// // a surface support at least one layer
|
||||
// let image_layers = 1;
|
||||
//
|
||||
// // verify surface compatibility
|
||||
// let image_usage = {
|
||||
// use gfx_hal::image::Usage;
|
||||
//
|
||||
// if capabilities.usage.contains(Usage::COLOR_ATTACHMENT) {
|
||||
// Ok(Usage::COLOR_ATTACHMENT)
|
||||
// } else {
|
||||
// Err("This surface does not support color")
|
||||
// }
|
||||
// }?;
|
||||
|
||||
let swapchain_config = SwapchainConfig::from_caps(&capabilities, format, extent);
|
||||
debug!("{:?}", swapchain_config);
|
||||
|
||||
let (swapchain, backbuffer) = unsafe {
|
||||
device
|
||||
.create_swapchain(&mut surface, swapchain_config, None)
|
||||
.map_err(|_| "Failed to create swapchain and backbuffer")?
|
||||
};
|
||||
|
||||
(swapchain, extent, backbuffer, format, image_count as usize)
|
||||
};
|
||||
|
||||
// creating semaphores and fences
|
||||
let (sems_image_available, sems_render_finished, fences) = {
|
||||
|
||||
let mut sems_image_available : Vec<<vk_back::Backend as Backend>::Semaphore> = vec![];
|
||||
let mut sems_render_finished : Vec<<vk_back::Backend as Backend>::Semaphore> = vec![];
|
||||
let mut fences :Vec<<vk_back::Backend as Backend>::Fence> = vec![];
|
||||
|
||||
for _ in 0..image_count {
|
||||
sems_image_available
|
||||
.push(device
|
||||
.create_semaphore()
|
||||
.map_err(|_| "Could not create sempahore")?
|
||||
);
|
||||
sems_render_finished
|
||||
.push(device
|
||||
.create_semaphore()
|
||||
.map_err(|_| "Could not create sempahore")?
|
||||
);
|
||||
fences
|
||||
.push(device
|
||||
.create_fence(true)
|
||||
.map_err(|_| "Could not create fence")?
|
||||
);
|
||||
}
|
||||
|
||||
(sems_image_available, sems_render_finished, fences)
|
||||
};
|
||||
|
||||
// creating RenderPass
|
||||
let render_pass = {
|
||||
use gfx_hal::{
|
||||
pass::{Attachment, AttachmentOps, AttachmentLoadOp, AttachmentStoreOp, SubpassDesc},
|
||||
image::Layout,
|
||||
};
|
||||
|
||||
let color_attachment = Attachment {
|
||||
format : Some(format),
|
||||
samples : 1,
|
||||
ops : AttachmentOps {
|
||||
load : AttachmentLoadOp::Clear,
|
||||
store : AttachmentStoreOp::Store,
|
||||
},
|
||||
stencil_ops : AttachmentOps::DONT_CARE,
|
||||
layouts : (Layout::Undefined..Layout::Present),
|
||||
};
|
||||
|
||||
let subpass = SubpassDesc {
|
||||
colors : &[(0, Layout::ColorAttachmentOptimal)],
|
||||
depth_stencil : None,
|
||||
inputs : &[],
|
||||
resolves : &[],
|
||||
preserves : &[],
|
||||
};
|
||||
|
||||
unsafe {
|
||||
device.create_render_pass(&[color_attachment], &[subpass], &[])
|
||||
.map_err(|_| "Could not create render pass")?
|
||||
}
|
||||
};
|
||||
|
||||
// add ImageView "headers" to images in BackBuffer
|
||||
let image_views : Vec<_> = {
|
||||
use gfx_hal::{
|
||||
image::{ViewKind, SubresourceRange},
|
||||
format::{Swizzle, Aspects},
|
||||
};
|
||||
|
||||
backbuffer
|
||||
.iter()
|
||||
.map(|img| unsafe {
|
||||
device
|
||||
.create_image_view(
|
||||
&img,
|
||||
ViewKind::D2,
|
||||
format,
|
||||
Swizzle::NO,
|
||||
SubresourceRange {
|
||||
aspects : Aspects::COLOR,
|
||||
levels : 0..1,
|
||||
layers : 0..1,
|
||||
},
|
||||
)
|
||||
.map_err(|_| "Could not create ImageViews")
|
||||
})
|
||||
.collect::<Result<Vec<_>, &str>>()?
|
||||
};
|
||||
|
||||
let framebuffers: Vec<_> = {
|
||||
|
||||
image_views
|
||||
.iter()
|
||||
.map(|image_view|
|
||||
unsafe {
|
||||
device
|
||||
.create_framebuffer(&render_pass, vec![image_view], extent.to_extent())
|
||||
.map_err(|_| "Could not create FrameBuffer")
|
||||
},
|
||||
)
|
||||
.collect::<Result<Vec<_>, &str>>()?
|
||||
};
|
||||
|
||||
let mut command_pool = unsafe {
|
||||
use gfx_hal::pool::CommandPoolCreateFlags;
|
||||
|
||||
device
|
||||
.create_command_pool(queue_group.family, CommandPoolCreateFlags::RESET_INDIVIDUAL)
|
||||
.map_err(|_| "Could not create CommandPool")?
|
||||
};
|
||||
|
||||
let command_buffers: Vec<_> = unsafe {
|
||||
use gfx_hal::command::Level;
|
||||
|
||||
framebuffers
|
||||
.iter()
|
||||
.map(|_| command_pool.allocate_one(Level::Primary))
|
||||
.collect()
|
||||
};
|
||||
|
||||
info!("HAL successfully initialized");
|
||||
|
||||
Ok(
|
||||
HalState {
|
||||
instance: ManuallyDrop::new(instance),
|
||||
surface: ManuallyDrop::new(surface),
|
||||
adapter: ManuallyDrop::new(adapter),
|
||||
device: device,
|
||||
queue_group: ManuallyDrop::new(queue_group),
|
||||
render_pass: ManuallyDrop::new(render_pass),
|
||||
swapchain: ManuallyDrop::new(swapchain),
|
||||
extent: extent,
|
||||
format: format,
|
||||
render_area: Rect{x: 0, y: 0, w: 1280, h: 720},
|
||||
sems_image_available,
|
||||
sems_render_finished,
|
||||
fences,
|
||||
image_views,
|
||||
framebuffers,
|
||||
|
||||
command_pool: ManuallyDrop::new(command_pool),
|
||||
command_buffers,
|
||||
|
||||
image_count,
|
||||
current_image: 0,
|
||||
}
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
116
src/hal/render.rs
Normal file
116
src/hal/render.rs
Normal file
@ -0,0 +1,116 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug,error, info, trace, warn};
|
||||
|
||||
use std::iter;
|
||||
|
||||
use gfx_hal::{
|
||||
device::Device,
|
||||
window::Swapchain,
|
||||
command::CommandBuffer,
|
||||
};
|
||||
|
||||
use crate::hal::HalState;
|
||||
|
||||
impl HalState {
|
||||
|
||||
//----------------------------------------------------------------------------------------------
|
||||
pub fn draw_clear_frame(&mut self, color: [f32; 4]) -> Result<(), &'static str> {
|
||||
use gfx_hal::{
|
||||
command::{SubpassContents, ClearValue, ClearColor, CommandBufferFlags},
|
||||
queue::{Submission, CommandQueue},
|
||||
pso::PipelineStage,
|
||||
};
|
||||
|
||||
// get current frame fence
|
||||
let fence = &self.fences[self.current_image];
|
||||
|
||||
//wait for current fence in case we are submiting too fast
|
||||
unsafe {
|
||||
self.device
|
||||
.wait_for_fence(fence, !0)
|
||||
.map_err(|_| "Failed to wait for fence")?;
|
||||
self.device
|
||||
.reset_fence(fence)
|
||||
.map_err(|_| "Failed to reset fence")?;
|
||||
}
|
||||
|
||||
// get current frame semaphores
|
||||
let sem_image_available = &self.sems_image_available[self.current_image];
|
||||
let sem_render_finished = &self.sems_render_finished[self.current_image];
|
||||
|
||||
// acquire image id in swapchain
|
||||
let swp_image_id = unsafe {
|
||||
match self.swapchain.acquire_image(core::u64::MAX, Some(sem_image_available), None) {
|
||||
Ok((swp_image_id, suboptimal)) => match suboptimal {
|
||||
Some(_) => {
|
||||
return self.recreate_swapchain()
|
||||
.map_err(|_| "Could not recreate swpachain");
|
||||
},
|
||||
None => swp_image_id,
|
||||
}
|
||||
Err(_) => {
|
||||
return self.recreate_swapchain()
|
||||
.map_err(|_| "Could not recreate swpachain");
|
||||
},
|
||||
}
|
||||
};
|
||||
|
||||
// debug!("current image : {}", self.current_image);
|
||||
// debug!("swapchain index : {}", swp_image_id);
|
||||
|
||||
unsafe {
|
||||
|
||||
let command_buffer = &mut self.command_buffers[self.current_image];
|
||||
command_buffer.begin_primary(CommandBufferFlags::ONE_TIME_SUBMIT);
|
||||
|
||||
let clear_value = ClearValue {color: ClearColor{float32: color}};
|
||||
|
||||
command_buffer.begin_render_pass(
|
||||
&self.render_pass,
|
||||
&self.framebuffers[swp_image_id as usize],
|
||||
self.render_area,
|
||||
iter::once(clear_value),
|
||||
SubpassContents::Inline,
|
||||
);
|
||||
command_buffer.end_render_pass();
|
||||
|
||||
command_buffer.finish();
|
||||
}
|
||||
|
||||
let command_buffer = &self.command_buffers[self.current_image];
|
||||
|
||||
// prepare the submission
|
||||
let submission = Submission {
|
||||
command_buffers: iter::once(command_buffer),
|
||||
wait_semaphores: iter::once((sem_image_available,
|
||||
PipelineStage::COLOR_ATTACHMENT_OUTPUT)),
|
||||
signal_semaphores: iter::once(sem_render_finished),
|
||||
};
|
||||
|
||||
let mut queue = &mut self.queue_group.queues[0];
|
||||
|
||||
unsafe {
|
||||
|
||||
debug!("Submiting");
|
||||
queue.submit(submission, Some(fence));
|
||||
|
||||
debug!("Presenting into swapchain");
|
||||
let result = self.swapchain.present(&mut queue, swp_image_id, Some(sem_render_finished))
|
||||
.map_err(|_| "Failed to present into the swapchain")?;
|
||||
|
||||
if result.is_some() {
|
||||
self.recreate_swapchain()
|
||||
.map_err(|_| "Could not recreate swapchain")?;
|
||||
}
|
||||
}
|
||||
|
||||
self.current_image = (self.current_image + 1) % self.image_count;
|
||||
|
||||
// if self.current_image == 0 {
|
||||
// panic!("Abort");
|
||||
// }
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
42
src/input.rs
Normal file
42
src/input.rs
Normal file
@ -0,0 +1,42 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug, error, info, trace, warn};
|
||||
|
||||
use winit::{
|
||||
event::{Event, WindowEvent},
|
||||
event_loop::{ControlFlow, EventLoop},
|
||||
};
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Input {
|
||||
pub close_request: bool,
|
||||
pub new_frame_size: Option<(f64, f64)>,
|
||||
pub new_mouse_pos: Option<(f64, f64)>,
|
||||
}
|
||||
|
||||
impl Input {
|
||||
|
||||
pub fn poll_events_loop(event_loop: &mut EventLoop<()>) -> Self {
|
||||
let mut input = Input::default();
|
||||
event_loop.run(move |event, _, control_flow| {
|
||||
*control_flow = ControlFlow::Wait;
|
||||
|
||||
match event {
|
||||
Event::WindowEvent{window_id: _, event} => match event {
|
||||
WindowEvent::CloseRequested => input.close_request = true,
|
||||
_ => (),
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
});
|
||||
input
|
||||
}
|
||||
|
||||
pub fn default() -> Self {
|
||||
Input {
|
||||
close_request: false,
|
||||
new_frame_size: None,
|
||||
new_mouse_pos: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
42
src/lib.rs
Normal file
42
src/lib.rs
Normal file
@ -0,0 +1,42 @@
|
||||
#[cfg(test)]
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
/* imports */
|
||||
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug, error, info, trace, warn};
|
||||
|
||||
mod winit_state;
|
||||
use winit_state::WinitState;
|
||||
|
||||
mod hal;
|
||||
use hal::HalState;
|
||||
|
||||
//mod input;
|
||||
//use input::Input;
|
||||
|
||||
//mod local_state;
|
||||
//use local_state::LocalState;
|
||||
|
||||
//--------------------------------------------------------------------------------------------------
|
||||
/* functions */
|
||||
|
||||
/// The main function of the library
|
||||
pub fn run() -> Result<(), &'static str> {
|
||||
let winit_state = WinitState::default();
|
||||
|
||||
let mut hal_state = HalState::new(&winit_state.window)?;
|
||||
//let local_state = LocalState::default();
|
||||
|
||||
loop {
|
||||
//local_state.update();
|
||||
let _ = hal_state.draw_clear_frame([0.0, 255.0, 0.0, 0.0])?;
|
||||
//let input = Input::poll_events_loop(&mut winit_state.event_loop);
|
||||
}
|
||||
}
|
||||
|
||||
mod tests {
|
||||
#[test]
|
||||
fn it_works() {
|
||||
assert_eq!(2 + 2, 4);
|
||||
}
|
||||
}
|
||||
7
src/local_state.rs
Normal file
7
src/local_state.rs
Normal file
@ -0,0 +1,7 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug, error, info, trace, warn};
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct LocalState {
|
||||
local : i32
|
||||
}
|
||||
@ -1,3 +0,0 @@
|
||||
fn main() {
|
||||
println!("Hello, world!");
|
||||
}
|
||||
49
src/winit_state.rs
Normal file
49
src/winit_state.rs
Normal file
@ -0,0 +1,49 @@
|
||||
#[allow(unused_imports)]
|
||||
use log::{debug, error, info, trace, warn};
|
||||
|
||||
use winit::{
|
||||
dpi::PhysicalSize,
|
||||
event_loop::{EventLoop},
|
||||
window::{WindowBuilder, Window},
|
||||
error::OsError,
|
||||
};
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct WinitState {
|
||||
pub event_loop: EventLoop<()>,
|
||||
pub window: Window,
|
||||
}
|
||||
|
||||
impl WinitState {
|
||||
|
||||
pub fn new (title: &str, size: PhysicalSize<u32>) -> Result<WinitState, OsError> {
|
||||
|
||||
let event_loop = EventLoop::new();
|
||||
|
||||
let window = WindowBuilder::new()
|
||||
.with_inner_size(size)
|
||||
.with_title(title)
|
||||
.build(&event_loop)
|
||||
.unwrap();
|
||||
|
||||
Ok(Self {
|
||||
event_loop,
|
||||
window,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for WinitState {
|
||||
|
||||
fn default() -> WinitState {
|
||||
|
||||
WinitState::new(
|
||||
"IV",
|
||||
PhysicalSize {
|
||||
width : 1280,
|
||||
height : 720
|
||||
}
|
||||
).unwrap()
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user