tutorials/vulkan-tutorial
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Move common functions up a level

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This commit is contained in:
Timothy Warren 2023-04-14 10:48:35 -04:00
parent 3e453a8170
commit 8ceea7b945
3 changed files with 109 additions and 92 deletions
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110
src/app.rs
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@ -1,5 +1,4 @@
mod data;
mod functions;
mod structs;
use data::AppData;
@ -8,6 +7,7 @@ use structs::*;
use ::anyhow::{anyhow, Result};
use ::lazy_static::lazy_static;
use ::nalgebra_glm as glm;
use ::std::collections::HashSet;
use ::std::mem::size_of;
use ::std::ptr::copy_nonoverlapping as memcpy;
use ::std::time::Instant;
@ -218,3 +218,111 @@ impl App {
Ok(())
}
}
//================================================
// Functions
//================================================
pub(crate) unsafe fn check_physical_device_extensions(
instance: &Instance,
physical_device: vk::PhysicalDevice,
) -> Result<()> {
let extensions = instance
.enumerate_device_extension_properties(physical_device, None)?
.iter()
.map(|e| e.extension_name)
.collect::<HashSet<_>>();
if DEVICE_EXTENSIONS.iter().all(|e| extensions.contains(e)) {
Ok(())
} else {
Err(anyhow!(SuitabilityError(
"Missing required device extensions."
)))
}
}
pub(crate) fn get_swapchain_surface_format(
formats: &[vk::SurfaceFormatKHR],
) -> vk::SurfaceFormatKHR {
formats
.iter()
.cloned()
.find(|f| {
f.format == vk::Format::B8G8R8A8_SRGB
&& f.color_space == vk::ColorSpaceKHR::SRGB_NONLINEAR
})
.unwrap_or_else(|| formats[0])
}
pub(crate) fn get_swapchain_present_mode(
present_modes: &[vk::PresentModeKHR],
) -> vk::PresentModeKHR {
present_modes
.iter()
.cloned()
.find(|m| *m == vk::PresentModeKHR::MAILBOX)
.unwrap_or(vk::PresentModeKHR::FIFO)
}
pub(crate) fn get_swapchain_extent(
window: &Window,
capabilities: vk::SurfaceCapabilitiesKHR,
) -> vk::Extent2D {
if capabilities.current_extent.width != u32::MAX {
capabilities.current_extent
} else {
let size = window.inner_size();
let clamp = |min: u32, max: u32, v: u32| min.max(max.min(v));
vk::Extent2D::builder()
.width(clamp(
capabilities.min_image_extent.width,
capabilities.max_image_extent.width,
size.width,
))
.height(clamp(
capabilities.min_image_extent.height,
capabilities.max_image_extent.height,
size.height,
))
.build()
}
}
pub(crate) unsafe fn create_shader_module(
device: &Device,
bytecode: &[u8],
) -> Result<vk::ShaderModule> {
let bytecode = Vec::<u8>::from(bytecode);
let (prefix, code, suffix) = bytecode.align_to::<u32>();
if !prefix.is_empty() || !suffix.is_empty() {
return Err(anyhow!("Shader bytecode is not properly aligned."));
}
let info = vk::ShaderModuleCreateInfo::builder()
.code_size(bytecode.len())
.code(code);
Ok(device.create_shader_module(&info, None)?)
}
pub(crate) unsafe fn create_image_view(
device: &Device,
image: vk::Image,
format: vk::Format,
) -> Result<vk::ImageView> {
let subresource_range = vk::ImageSubresourceRange::builder()
.aspect_mask(vk::ImageAspectFlags::COLOR)
.base_mip_level(0)
.level_count(1)
.base_array_layer(0)
.layer_count(1);
let info = vk::ImageViewCreateInfo::builder()
.image(image)
.view_type(vk::ImageViewType::_2D)
.format(format)
.subresource_range(subresource_range);
Ok(device.create_image_view(&info, None)?)
}

1
src/app/data.rs
View File

@ -1,5 +1,4 @@
#![allow(clippy::too_many_arguments)]
use super::functions::*;
use super::*;
use crate::VALIDATION_ENABLED;

90
src/app/functions.rs
View File

@ -1,90 +0,0 @@
use super::*;
use ::anyhow::{anyhow, Result};
use ::std::collections::HashSet;
use ::vulkanalia::prelude::v1_0::*;
use ::winit::window::Window;
pub unsafe fn check_physical_device_extensions(
instance: &Instance,
physical_device: vk::PhysicalDevice,
) -> Result<()> {
let extensions = instance
.enumerate_device_extension_properties(physical_device, None)?
.iter()
.map(|e| e.extension_name)
.collect::<HashSet<_>>();
if DEVICE_EXTENSIONS.iter().all(|e| extensions.contains(e)) {
Ok(())
} else {
Err(anyhow!(SuitabilityError(
"Missing required device extensions."
)))
}
}
//================================================
// Swapchain
//================================================
pub fn get_swapchain_surface_format(formats: &[vk::SurfaceFormatKHR]) -> vk::SurfaceFormatKHR {
formats
.iter()
.cloned()
.find(|f| {
f.format == vk::Format::B8G8R8A8_SRGB
&& f.color_space == vk::ColorSpaceKHR::SRGB_NONLINEAR
})
.unwrap_or_else(|| formats[0])
}
pub fn get_swapchain_present_mode(present_modes: &[vk::PresentModeKHR]) -> vk::PresentModeKHR {
present_modes
.iter()
.cloned()
.find(|m| *m == vk::PresentModeKHR::MAILBOX)
.unwrap_or(vk::PresentModeKHR::FIFO)
}
pub fn get_swapchain_extent(
window: &Window,
capabilities: vk::SurfaceCapabilitiesKHR,
) -> vk::Extent2D {
if capabilities.current_extent.width != u32::MAX {
capabilities.current_extent
} else {
let size = window.inner_size();
let clamp = |min: u32, max: u32, v: u32| min.max(max.min(v));
vk::Extent2D::builder()
.width(clamp(
capabilities.min_image_extent.width,
capabilities.max_image_extent.width,
size.width,
))
.height(clamp(
capabilities.min_image_extent.height,
capabilities.max_image_extent.height,
size.height,
))
.build()
}
}
//================================================
// Pipeline
//================================================
pub unsafe fn create_shader_module(device: &Device, bytecode: &[u8]) -> Result<vk::ShaderModule> {
let bytecode = Vec::<u8>::from(bytecode);
let (prefix, code, suffix) = bytecode.align_to::<u32>();
if !prefix.is_empty() || !suffix.is_empty() {
return Err(anyhow!("Shader bytecode is not properly aligned."));
}
let info = vk::ShaderModuleCreateInfo::builder()
.code_size(bytecode.len())
.code(code);
Ok(device.create_shader_module(&info, None)?)
}