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use std::sync::Arc;
use std::error::Error;
use wgpu::util::DeviceExt;
use winit::window::{Window};
use crate::texture::Texture;
pub mod pipeline;
pub struct WgpuCtx
{
surface: wgpu::Surface<'static>,
surface_conf: wgpu::SurfaceConfiguration,
surface_texture: Option<wgpu::SurfaceTexture>,
is_configured: bool,
adapter: wgpu::Adapter,
device: wgpu::Device,
queue: wgpu::Queue,
}
pub struct RenderPassBuilder<'encoder>
{
label: &'static str,
view: &'encoder wgpu::TextureView,
clear_color: wgpu::Color
}
impl WgpuCtx
{
pub async fn new(
instance: &wgpu::Instance,
window: Arc<Window>,
) -> Self {
let surface = instance.create_surface(window.clone()).unwrap();
let adapter = instance
.request_adapter(&wgpu::RequestAdapterOptions {
compatible_surface: Some(&surface),
..Default::default()
}).await.expect("Failed to find valid adapter");
let (device, queue) = adapter
.request_device(&wgpu::DeviceDescriptor {
label: None,
required_features: wgpu::Features::empty(),
required_limits: wgpu::Limits::downlevel_defaults(),
experimental_features: wgpu::ExperimentalFeatures::disabled(),
memory_hints: wgpu::MemoryHints::Performance,
trace: wgpu::Trace::Off
}).await.expect("Failed to find device and queue");
let size = window.inner_size();
let surface_config = surface.get_default_config(&adapter, size.width, size.height).unwrap();
Self {
surface: surface,
surface_conf: surface_config,
surface_texture: None,
is_configured: false,
adapter: adapter,
device: device,
queue: queue
}
}
pub fn resize(
&mut self,
width: u32,
height: u32)
{
self.surface_conf.width = width;
self.surface_conf.height = height;
self.surface.configure(&self.device, &self.surface_conf);
self.is_configured = true;
}
pub fn is_ready(
&self)
-> bool {
self.is_configured
}
pub fn surface_config(
&self)
-> wgpu::SurfaceConfiguration {
self.surface_conf.clone()
}
pub fn adapter(
&self)
-> &wgpu::Adapter {
&self.adapter
}
pub fn device(
&self)
-> &wgpu::Device {
&self.device
}
pub fn queue(
&self)
-> &wgpu::Queue {
&self.queue
}
pub fn prepare_surface(
&mut self,
view_descr: &wgpu::TextureViewDescriptor)
-> Result<wgpu::TextureView, wgpu::SurfaceError>
{
let texture = self.surface.get_current_texture()?;
let view = texture.texture.create_view(view_descr);
self.surface_texture = Some(texture);
Ok(view)
}
pub fn create_encoder(
&self,
descr: &wgpu::CommandEncoderDescriptor)
-> wgpu::CommandEncoder
{
self.device.create_command_encoder(descr)
}
pub fn create_default_encoder(
&self,
label: &'static str)
-> wgpu::CommandEncoder {
self.create_encoder(
&wgpu::CommandEncoderDescriptor {
label: Some(label)
}
)
}
pub fn submit_encoder(
&self,
encoder: wgpu::CommandEncoder)
{
self.queue.submit(std::iter::once(encoder.finish()));
}
pub fn present_surface(
&mut self)
{
let texture = self.surface_texture.take();
match texture {
Some(t) => t.present(),
None => {}
}
}
pub fn create_shader(
&self,
module_descr: wgpu::ShaderModuleDescriptor)
-> wgpu::ShaderModule {
self.device.create_shader_module(module_descr)
}
pub fn create_pipeline_layout(
&self,
layout_descr: &wgpu::PipelineLayoutDescriptor)
-> wgpu::PipelineLayout {
self.device.create_pipeline_layout(layout_descr)
}
pub fn create_render_pipeline(
&self,
pipeline_layout: &wgpu::RenderPipelineDescriptor)
-> wgpu::RenderPipeline {
self.device.create_render_pipeline(pipeline_layout)
}
pub fn create_buffer_init(
&self,
descr: &wgpu::util::BufferInitDescriptor
) -> wgpu::Buffer {
self.device.create_buffer_init(descr)
}
pub fn create_buffer(
&self,
descr: &wgpu::BufferDescriptor)
-> wgpu::Buffer {
self.device.create_buffer(descr)
}
pub fn new_texture(
&self,
descr: wgpu::TextureDescriptor)
-> Texture
{
Texture::new(&self.device, descr)
}
} //impl WgpuCtx
impl<'encoder> RenderPassBuilder<'encoder>
{
pub fn new(
label: &'static str,
view: &'encoder wgpu::TextureView)
-> Self {
Self {
label: label,
view: view,
clear_color: wgpu::Color { r: 0.0, g: 0.0, b: 0.0, a: 1.0 }
}
}
pub fn clear_color(
mut self,
color: wgpu::Color)
-> Self {
self.clear_color = color;
self
}
pub fn build(
self,
encoder: &'encoder mut wgpu::CommandEncoder)
-> wgpu::RenderPass<'encoder>
{
encoder.begin_render_pass(
&wgpu::RenderPassDescriptor {
label: Some(self.label),
color_attachments: &[Some(wgpu::RenderPassColorAttachment {
view: self.view,
resolve_target: None,
depth_slice: None,
ops: wgpu::Operations {
load: wgpu::LoadOp::Clear(self.clear_color),
store: wgpu::StoreOp::Store
}
})],
depth_stencil_attachment: None,
occlusion_query_set: None,
timestamp_writes: None,
}
)
}
}
|
