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Set renderer multisample and depth-stencil state

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grovesNL 2023-02-13 22:35:04 -03:30 • committed by Josh Groves
parent da4bb4af5c
commit 74e9aa37a1
3 changed files with 80 additions and 43 deletions
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94
src/text_atlas.rs
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@ -5,11 +5,12 @@ use std::{borrow::Cow, mem::size_of, num::NonZeroU64, sync::Arc};
use wgpu::{
BindGroup, BindGroupDescriptor, BindGroupEntry, BindGroupLayoutEntry, BindingResource,
BindingType, BlendState, Buffer, BufferBindingType, BufferDescriptor, BufferUsages,
ColorTargetState, ColorWrites, Device, Extent3d, FilterMode, FragmentState, MultisampleState,
PipelineLayoutDescriptor, PrimitiveState, Queue, RenderPipeline, RenderPipelineDescriptor,
SamplerBindingType, SamplerDescriptor, ShaderModuleDescriptor, ShaderSource, ShaderStages,
Texture, TextureDescriptor, TextureDimension, TextureFormat, TextureSampleType, TextureUsages,
TextureView, TextureViewDescriptor, TextureViewDimension, VertexFormat, VertexState,
ColorTargetState, ColorWrites, DepthStencilState, Device, Extent3d, FilterMode, FragmentState,
MultisampleState, PipelineLayout, PipelineLayoutDescriptor, PrimitiveState, Queue,
RenderPipeline, RenderPipelineDescriptor, SamplerBindingType, SamplerDescriptor, ShaderModule,
ShaderModuleDescriptor, ShaderSource, ShaderStages, Texture, TextureDescriptor,
TextureDimension, TextureFormat, TextureSampleType, TextureUsages, TextureView,
TextureViewDescriptor, TextureViewDimension, VertexFormat, VertexState,
};
pub(crate) struct InnerAtlas {
@ -88,10 +89,18 @@ impl InnerAtlas {
pub struct TextAtlas {
pub(crate) params: Params,
pub(crate) params_buffer: Buffer,
pub(crate) pipeline: Arc<RenderPipeline>,
pub(crate) cached_pipelines: Vec<(
MultisampleState,
Option<DepthStencilState>,
Arc<RenderPipeline>,
)>,
pub(crate) bind_group: Arc<BindGroup>,
pub(crate) color_atlas: InnerAtlas,
pub(crate) mask_atlas: InnerAtlas,
pub(crate) pipeline_layout: PipelineLayout,
pub(crate) shader: ShaderModule,
pub(crate) vertex_buffers: [wgpu::VertexBufferLayout<'static>; 1],
pub(crate) format: TextureFormat,
}
impl TextAtlas {
@ -234,40 +243,17 @@ impl TextAtlas {
push_constant_ranges: &[],
});
let pipeline = Arc::new(device.create_render_pipeline(&RenderPipelineDescriptor {
label: Some("glyphon pipeline"),
layout: Some(&pipeline_layout),
vertex: VertexState {
module: &shader,
entry_point: "vs_main",
buffers: &vertex_buffers,
},
fragment: Some(FragmentState {
module: &shader,
entry_point: "fs_main",
targets: &[Some(ColorTargetState {
format,
blend: Some(BlendState::ALPHA_BLENDING),
write_mask: ColorWrites::default(),
})],
}),
primitive: PrimitiveState::default(),
depth_stencil: None,
multisample: MultisampleState {
count: 1,
mask: !0,
alpha_to_coverage_enabled: false,
},
multiview: None,
}));
Self {
params,
params_buffer,
pipeline,
cached_pipelines: Vec::new(),
bind_group,
color_atlas,
mask_atlas,
pipeline_layout,
shader,
vertex_buffers,
format,
}
}
@ -295,4 +281,44 @@ impl TextAtlas {
ContentType::Mask => &mut self.mask_atlas,
}
}
pub(crate) fn get_or_create_pipeline(
&mut self,
device: &Device,
multisample: MultisampleState,
depth_stencil: Option<DepthStencilState>,
) -> Arc<RenderPipeline> {
self.cached_pipelines
.iter()
.find(|(ms, ds, _)| ms == &multisample && ds == &depth_stencil)
.map(|(_, _, p)| Arc::clone(p))
.unwrap_or_else(|| {
let pipeline = Arc::new(device.create_render_pipeline(&RenderPipelineDescriptor {
label: Some("glyphon pipeline"),
layout: Some(&self.pipeline_layout),
vertex: VertexState {
module: &self.shader,
entry_point: "vs_main",
buffers: &self.vertex_buffers,
},
fragment: Some(FragmentState {
module: &self.shader,
entry_point: "fs_main",
targets: &[Some(ColorTargetState {
format: self.format,
blend: Some(BlendState::ALPHA_BLENDING),
write_mask: ColorWrites::default(),
})],
}),
primitive: PrimitiveState::default(),
depth_stencil: depth_stencil.clone(),
multisample,
multiview: None,
}));
self.cached_pipelines
.push((multisample, depth_stencil, pipeline.clone()));
pipeline
})
}
}