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https://github.com/italicsjenga/vello.git
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7ae5aa7491
The fat line in coarse path rendering is not done, but when lines are thin that mostly looks ok. Onward to tiger!
45 lines
1.2 KiB
WebGPU Shading Language
45 lines
1.2 KiB
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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struct Config {
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width_in_tiles: u32,
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height_in_tiles: u32,
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n_drawobj: u32,
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n_path: u32,
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// offsets within scene buffer (in u32 units)
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// Note: this is a difference from piet-gpu, which is in bytes
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pathtag_base: u32,
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pathdata_base: u32,
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drawtag_base: u32,
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drawdata_base: u32,
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transform_base: u32,
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linewidth_base: u32,
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}
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// Geometry of tiles and bins
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let TILE_WIDTH = 16u;
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let TILE_HEIGHT = 16u;
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// Number of tiles per bin
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let N_TILE_X = 16u;
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let N_TILE_Y = 16u;
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//let N_TILE = N_TILE_X * N_TILE_Y;
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let N_TILE = 256u;
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