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rt(wgpu): create pipeline

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chyyran 2023-12-14 23:02:44 +09:00 committed by Ronny Chan
parent f9df72a02d
commit 8cfe1e9da2
1 changed files with 65 additions and 24 deletions
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89
librashader-runtime-wgpu/src/graphics_pipeline.rs
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@ -1,7 +1,7 @@
use std::borrow::Cow;
use std::num::NonZeroU32;
use std::sync::Arc;
use wgpu::{BindGroup, BindGroupDescriptor, BindGroupLayout, BindGroupLayoutDescriptor, BindGroupLayoutEntry, BindingType, BufferBindingType, BufferSize, Device, PipelineLayout, PushConstantRange, SamplerBindingType, ShaderModule, ShaderSource, ShaderStages, TextureFormat, TextureSampleType, TextureViewDimension};
use wgpu::{BindGroup, BindGroupDescriptor, BindGroupLayout, BindGroupLayoutDescriptor, BindGroupLayoutEntry, BindingType, BufferBindingType, BufferSize, Device, PipelineLayout, PushConstantRange, SamplerBindingType, ShaderModule, ShaderSource, ShaderStages, TextureFormat, TextureSampleType, TextureViewDimension, VertexAttribute, VertexBufferLayout};
use librashader_reflect::back::ShaderCompilerOutput;
use librashader_reflect::back::wgsl::NagaWgslContext;
use librashader_reflect::reflect::semantics::BufferReflection;
@ -17,28 +17,6 @@ pub struct PipelineLayoutObjects {
pub layout: PipelineLayout,
pub bind_group_layouts: Vec<BindGroupLayout>
}
//
// pub fn add_ubo_binding(&mut self, ubo_meta: Option<&UboReflection>) {
//
// }
// pub fn add_texture_bindings<'a>(&mut self, textures: impl Iterator<Item = &'a TextureBinding>) {
// let texture_mask = vk::ShaderStageFlags::FRAGMENT;
// for texture in textures {
// self.layout_bindings.push(vk::DescriptorSetLayoutBinding {
// binding: texture.binding,
// descriptor_type: vk::DescriptorType::COMBINED_IMAGE_SAMPLER,
// descriptor_count: 1,
// stage_flags: texture_mask,
// p_immutable_samplers: std::ptr::null(),
// });
//
// self.pool_sizes.push(vk::DescriptorPoolSize {
// ty: vk::DescriptorType::COMBINED_IMAGE_SAMPLER,
// descriptor_count: self.replicas,
// })
// }
// }
impl PipelineLayoutObjects {
pub fn new(
@ -153,10 +131,73 @@ impl WgpuGraphicsPipeline {
source: ShaderSource::Wgsl(Cow::from(&shader_assembly.fragment))
});
let layout = PipelineLayoutObjects::new(reflection, device);
let vao_layout = VertexBufferLayout {
array_stride: 4 * std::mem::size_of::<f32>() as wgpu::BufferAddress,
step_mode: wgpu::VertexStepMode::Vertex,
attributes: &[
wgpu::VertexAttribute {
format: wgpu::VertexFormat::Float32x2,
offset: 0,
shader_location: 0,
},
wgpu::VertexAttribute {
format: wgpu::VertexFormat::Float32x2,
offset: (2 * std::mem::size_of::<f32>()) as wgpu::BufferAddress,
shader_location: 1,
},
],
};
let render_pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
label: Some("Render Pipeline"),
layout: Some(&layout.layout),
vertex: wgpu::VertexState {
module: &vertex,
entry_point: &shader_assembly
.context
.vertex
.entry_points[0]
.name,
buffers: &[
vao_layout
],
},
fragment: Some(wgpu::FragmentState {
module: &fragment,
entry_point: &shader_assembly
.context
.fragment
.entry_points[0]
.name,
targets: &[Some(wgpu::ColorTargetState {
format: render_pass_format,
blend: Some(wgpu::BlendState::REPLACE),
write_mask: wgpu::ColorWrites::ALL,
})],
}),
primitive: wgpu::PrimitiveState {
topology: wgpu::PrimitiveTopology::TriangleStrip,
strip_index_format: None,
front_face: wgpu::FrontFace::Ccw,
cull_mode: None,
unclipped_depth: false,
polygon_mode: wgpu::PolygonMode::Fill,
conservative: false,
},
depth_stencil: None,
multisample: wgpu::MultisampleState {
count: 1,
mask: !0,
alpha_to_coverage_enabled: false,
},
multiview: None,
});
Self {
vertex,
fragment
fragment,
}
}
}