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https://github.com/italicsjenga/vello.git
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b6da6d958b
This is super WIP, but represents partially written shaders for more of the piet-gpu pipeline. Checkpointing as other work is incoming.
31 lines
1,002 B
WebGPU Shading Language
31 lines
1,002 B
WebGPU Shading Language
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Also licensed under MIT license, at your choice.
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// The annotated bounding box for a path. It has been transformed,
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// but contains a link to the active transform, mostly for gradients.
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struct PathBbox {
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x0: u32,
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y0: u32,
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x1: u32,
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y1: u32,
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linewidth: f32,
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trans_ix: u32,
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}
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fn bbox_intersect(a: vec4<f32>, b: vec4<f32>) -> f32 {
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return vec4(max(a.xy, b.xy), min(a.zyw, b.zw));
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}
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