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blade: port underline shader

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This commit is contained in:
Dzmitry Malyshau 2024-02-02 23:04:56 -08:00
parent 04e49dc493
commit 7c7aad5e76
4 changed files with 106 additions and 7 deletions
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39
crates/gpui/src/platform/linux/blade_renderer.rs
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@ -4,7 +4,7 @@
use super::{BladeBelt, BladeBeltDescriptor};
use crate::{
AtlasTextureKind, AtlasTile, BladeAtlas, Bounds, ContentMask, Hsla, Path, PathId, PathVertex,
PrimitiveBatch, Quad, ScaledPixels, Scene, Shadow, PATH_TEXTURE_FORMAT,
PrimitiveBatch, Quad, ScaledPixels, Scene, Shadow, Underline, PATH_TEXTURE_FORMAT,
};
use bytemuck::{Pod, Zeroable};
use collections::HashMap;
@ -48,6 +48,12 @@ struct ShaderPathsData {
b_path_sprites: gpu::BufferPiece,
}
#[derive(blade_macros::ShaderData)]
struct ShaderUnderlinesData {
globals: GlobalParams,
b_underlines: gpu::BufferPiece,
}
#[derive(Clone, Debug, Eq, PartialEq)]
#[repr(C)]
struct PathSprite {
@ -61,6 +67,7 @@ struct BladePipelines {
shadows: gpu::RenderPipeline,
path_rasterization: gpu::RenderPipeline,
paths: gpu::RenderPipeline,
underlines: gpu::RenderPipeline,
}
impl BladePipelines {
@ -75,11 +82,13 @@ impl BladePipelines {
shader.get_struct_size("PathVertex") as usize,
);
shader.check_struct_size::<PathSprite>();
shader.check_struct_size::<Underline>();
let quads_layout = <ShaderQuadsData as gpu::ShaderData>::layout();
let shadows_layout = <ShaderShadowsData as gpu::ShaderData>::layout();
let path_rasterization_layout = <ShaderPathRasterizationData as gpu::ShaderData>::layout();
let paths_layout = <ShaderPathsData as gpu::ShaderData>::layout();
let underlines_layout = <ShaderUnderlinesData as gpu::ShaderData>::layout();
Self {
quads: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
@ -146,6 +155,22 @@ impl BladePipelines {
write_mask: gpu::ColorWrites::default(),
}],
}),
underlines: gpu.create_render_pipeline(gpu::RenderPipelineDesc {
name: "underlines",
data_layouts: &[&underlines_layout],
vertex: shader.at("vs_underline"),
primitive: gpu::PrimitiveState {
topology: gpu::PrimitiveTopology::TriangleStrip,
..Default::default()
},
depth_stencil: None,
fragment: shader.at("fs_underline"),
color_targets: &[gpu::ColorTargetState {
format: surface_format,
blend: Some(gpu::BlendState::ALPHA_BLENDING),
write_mask: gpu::ColorWrites::default(),
}],
}),
}
}
}
@ -359,6 +384,18 @@ impl BladeRenderer {
encoder.draw(0, 4, 0, sprites.len() as u32);
}
}
PrimitiveBatch::Underlines(underlines) => {
let instance_buf = self.instance_belt.alloc_data(underlines, &self.gpu);
let mut encoder = pass.with(&self.pipelines.underlines);
encoder.bind(
0,
&ShaderUnderlinesData {
globals,
b_underlines: instance_buf,
},
);
encoder.draw(0, 4, 0, underlines.len() as u32);
}
_ => continue,
}
}