Update references to piet-gpu where it makes sense

Cargo.toml

@@ -6,7 +6,6 @@ members = ["examples/with_winit", "examples/with_bevy", "examples/run_wasm"]
 [workspace.package]
 edition = "2021"
 version = "0.1.0"
-authors = ["piet-gpu developers"]
 
 [patch.crates-io]
 # Required for metal support to work on wgpu

doc/vision.md

@@ -2,6 +2,8 @@
 
 Raph Levien, 2020-12-10
 
+Note: `vello` was previously called `piet-gpu`.
+
 I’ve done several [blog posts](./blogs.md) about piet-gpu already, and more generally GPU compute, but this document is a little different in scope. Rather than showing off a prototype and presenting a research result, it will set forth a bold and ambitious plan for where this might go. I find this vision compelling, and it’s motivated me to spend a lot of energy mastering some difficult material. The grand vision is much more than one person can do, so I’ll do some of it myself and maybe inspire collaboration for the rest of it.
 
 The full vision for piet-gpu is a 2D rendering engine that is considerably faster, higher quality, and more flexible than the current state of the art, and runs on a wide variety of hardware. I’ll go into some detail about why I think this goal is possible and what kind of work is needed to get there.

examples/with_winit/src/simple_text.rs

@@ -1,4 +1,4 @@
-// Copyright 2022 The piet-gpu authors.
+// Copyright 2022 The vello authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

examples/with_winit/src/test_scene.rs

@@ -280,7 +280,7 @@ pub fn render_anim_frame(sb: &mut SceneBuilder, text: &mut SimpleText, i: usize)
         &rect,
     );
     let text_size = 60.0 + 40.0 * (0.01 * i as f32).sin();
-    let s = "\u{1f600}hello piet-gpu text!";
+    let s = "\u{1f600}hello vello text!";
     text.add(
         sb,
         None,

shader/fine.wgsl

@@ -239,7 +239,7 @@ fn main(
                 let rad = read_rad_grad(cmd_ix);
                 for (var i = 0u; i < PIXELS_PER_THREAD; i += 1u) {
                     let my_xy = vec2(xy.x + f32(i), xy.y);
-                    // TODO: can hoist y, but for now stick to piet-gpu
+                    // TODO: can hoist y, but for now stick to the GLSL version
                     let xy_xformed = rad.matrx.xz * my_xy.x + rad.matrx.yw * my_xy.y - rad.xlat;
                     let ba = dot(xy_xformed, rad.c1);
                     let ca = rad.ra * dot(xy_xformed, xy_xformed);

shader/shared/config.wgsl

@@ -16,7 +16,6 @@ struct Config {
     bin_data_start: u32,
 
     // offsets within scene buffer (in u32 units)
-    // Note: this is a difference from piet-gpu, which is in bytes
     pathtag_base: u32,
     pathdata_base: u32,
 

shader/tile_alloc.wgsl

@@ -93,8 +93,7 @@ fn main(
     // process fewer draw objects than the number of threads in the wg.
     let total_count = sh_tile_count[WG_SIZE - 1u];
     for (var i = local_id.x; i < total_count; i += WG_SIZE) {
-        // Note: could format output buffer as u32 for even better load
-        // balancing, as does piet-gpu.
+        // Note: could format output buffer as u32 for even better load balancing.
         tiles[tile_offset + i] = Tile(0, 0u);
     }
 }

src/engine.rs

@@ -90,7 +90,7 @@ pub enum Command {
     UploadImage(ImageProxy, Vec<u8>),
     // Discussion question: third argument is vec of resources?
     // Maybe use tricks to make more ergonomic?
-    // Alternative: provide bufs & images as separate sequences, like piet-gpu.
+    // Alternative: provide bufs & images as separate sequences, like vello.
     Dispatch(ShaderId, (u32, u32, u32), Vec<ResourceProxy>),
     Download(BufProxy),
     Clear(BufProxy, u64, Option<NonZeroU64>),

src/glyph.rs

@@ -1,4 +1,4 @@
-// Copyright 2022 The piet-gpu authors.
+// Copyright 2022 The vello authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

src/scene.rs

@@ -1,4 +1,4 @@
-// Copyright 2022 The piet-gpu authors.
+// Copyright 2022 The vello authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.