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egui-wgpu: only depend on epaint (not entire egui) (#2438)

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* egui-wgpu: only depend on epaint (not entire egui)

* Update changelog link

* Fix doclinks
This commit is contained in:
Emil Ernerfeldt
2022-12-12 17:25:00 +01:00
committed by GitHub
parent e0b5bb17e5
commit c58ac86935
6 changed files with 47 additions and 42 deletions
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7
crates/egui-wgpu/src/lib.rs
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@@ -8,18 +8,19 @@
pub use wgpu;
/// Low-level painting of [`egui`] on [`wgpu`].
/// Low-level painting of [`egui`](https://github.com/emilk/egui) on [`wgpu`].
pub mod renderer;
pub use renderer::CallbackFn;
pub use renderer::Renderer;
/// Module for painting [`egui`] with [`wgpu`] on [`winit`].
/// Module for painting [`egui`](https://github.com/emilk/egui) with [`wgpu`] on [`winit`].
#[cfg(feature = "winit")]
pub mod winit;
use egui::mutex::RwLock;
use std::sync::Arc;
use epaint::mutex::RwLock;
/// Access to the render state for egui.
#[derive(Clone)]
pub struct RenderState {

68
crates/egui-wgpu/src/renderer.rs
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@@ -4,14 +4,13 @@ use std::num::NonZeroU64;
use std::ops::Range;
use std::{borrow::Cow, collections::HashMap, num::NonZeroU32};
use egui::epaint::Vertex;
use egui::NumExt;
use egui::{epaint::Primitive, PaintCallbackInfo};
use type_map::concurrent::TypeMap;
use wgpu;
use wgpu::util::DeviceExt as _;
/// A callback function that can be used to compose an [`egui::PaintCallback`] for custom WGPU
use epaint::{emath::NumExt, PaintCallbackInfo, Primitive, Vertex};
/// A callback function that can be used to compose an [`epaint::PaintCallback`] for custom WGPU
/// rendering.
///
/// The callback is composed of two functions: `prepare` and `paint`:
@@ -154,11 +153,11 @@ pub struct Renderer {
/// Map of egui texture IDs to textures and their associated bindgroups (texture view +
/// sampler). The texture may be None if the TextureId is just a handle to a user-provided
/// sampler.
textures: HashMap<egui::TextureId, (Option<wgpu::Texture>, wgpu::BindGroup)>,
textures: HashMap<epaint::TextureId, (Option<wgpu::Texture>, wgpu::BindGroup)>,
next_user_texture_id: u64,
samplers: HashMap<egui::TextureOptions, wgpu::Sampler>,
samplers: HashMap<epaint::textures::TextureOptions, wgpu::Sampler>,
/// Storage for use by [`egui::PaintCallback`]'s that need to store resources such as render
/// Storage for use by [`epaint::PaintCallback`]'s that need to store resources such as render
/// pipelines that must have the lifetime of the renderpass.
pub paint_callback_resources: TypeMap,
}
@@ -346,7 +345,7 @@ impl Renderer {
pub fn render<'rp>(
&'rp self,
render_pass: &mut wgpu::RenderPass<'rp>,
paint_jobs: &[egui::epaint::ClippedPrimitive],
paint_jobs: &[epaint::ClippedPrimitive],
screen_descriptor: &ScreenDescriptor,
) {
crate::profile_function!();
@@ -361,7 +360,7 @@ impl Renderer {
let mut index_buffer_slices = self.index_buffer.slices.iter();
let mut vertex_buffer_slices = self.vertex_buffer.slices.iter();
for egui::ClippedPrimitive {
for epaint::ClippedPrimitive {
clip_rect,
primitive,
} in paint_jobs
@@ -475,8 +474,8 @@ impl Renderer {
&mut self,
device: &wgpu::Device,
queue: &wgpu::Queue,
id: egui::TextureId,
image_delta: &egui::epaint::ImageDelta,
id: epaint::TextureId,
image_delta: &epaint::ImageDelta,
) {
crate::profile_function!();
@@ -490,7 +489,7 @@ impl Renderer {
};
let data_color32 = match &image_delta.image {
egui::ImageData::Color(image) => {
epaint::ImageData::Color(image) => {
assert_eq!(
width as usize * height as usize,
image.pixels.len(),
@@ -498,7 +497,7 @@ impl Renderer {
);
Cow::Borrowed(&image.pixels)
}
egui::ImageData::Font(image) => {
epaint::ImageData::Font(image) => {
assert_eq!(
width as usize * height as usize,
image.pixels.len(),
@@ -582,7 +581,7 @@ impl Renderer {
};
}
pub fn free_texture(&mut self, id: &egui::TextureId) {
pub fn free_texture(&mut self, id: &epaint::TextureId) {
self.textures.remove(id);
}
@@ -590,15 +589,15 @@ impl Renderer {
///
/// This could be used by custom paint hooks to render images that have been added through with
/// [`egui_extras::RetainedImage`](https://docs.rs/egui_extras/latest/egui_extras/image/struct.RetainedImage.html)
/// or [`egui::Context::load_texture`].
/// or [`epaint::Context::load_texture`](https://docs.rs/egui/latest/egui/struct.Context.html#method.load_texture).
pub fn texture(
&self,
id: &egui::TextureId,
id: &epaint::TextureId,
) -> Option<&(Option<wgpu::Texture>, wgpu::BindGroup)> {
self.textures.get(id)
}
/// Registers a `wgpu::Texture` with a `egui::TextureId`.
/// Registers a `wgpu::Texture` with a `epaint::TextureId`.
///
/// This enables the application to reference the texture inside an image ui element.
/// This effectively enables off-screen rendering inside the egui UI. Texture must have
@@ -609,7 +608,7 @@ impl Renderer {
device: &wgpu::Device,
texture: &wgpu::TextureView,
texture_filter: wgpu::FilterMode,
) -> egui::TextureId {
) -> epaint::TextureId {
self.register_native_texture_with_sampler_options(
device,
texture,
@@ -622,7 +621,7 @@ impl Renderer {
)
}
/// Registers a `wgpu::Texture` with an existing `egui::TextureId`.
/// Registers a `wgpu::Texture` with an existing `epaint::TextureId`.
///
/// This enables applications to reuse `TextureId`s.
pub fn update_egui_texture_from_wgpu_texture(
@@ -630,7 +629,7 @@ impl Renderer {
device: &wgpu::Device,
texture: &wgpu::TextureView,
texture_filter: wgpu::FilterMode,
id: egui::TextureId,
id: epaint::TextureId,
) {
self.update_egui_texture_from_wgpu_texture_with_sampler_options(
device,
@@ -645,7 +644,7 @@ impl Renderer {
);
}
/// Registers a `wgpu::Texture` with a `egui::TextureId` while also accepting custom
/// Registers a `wgpu::Texture` with a `epaint::TextureId` while also accepting custom
/// `wgpu::SamplerDescriptor` options.
///
/// This allows applications to specify individual minification/magnification filters as well as
@@ -660,7 +659,7 @@ impl Renderer {
device: &wgpu::Device,
texture: &wgpu::TextureView,
sampler_descriptor: wgpu::SamplerDescriptor<'_>,
) -> egui::TextureId {
) -> epaint::TextureId {
crate::profile_function!();
let sampler = device.create_sampler(&wgpu::SamplerDescriptor {
@@ -683,14 +682,14 @@ impl Renderer {
],
});
let id = egui::TextureId::User(self.next_user_texture_id);
let id = epaint::TextureId::User(self.next_user_texture_id);
self.textures.insert(id, (None, bind_group));
self.next_user_texture_id += 1;
id
}
/// Registers a `wgpu::Texture` with an existing `egui::TextureId` while also accepting custom
/// Registers a `wgpu::Texture` with an existing `epaint::TextureId` while also accepting custom
/// `wgpu::SamplerDescriptor` options.
///
/// This allows applications to reuse `TextureId`s created with custom sampler options.
@@ -700,7 +699,7 @@ impl Renderer {
device: &wgpu::Device,
texture: &wgpu::TextureView,
sampler_descriptor: wgpu::SamplerDescriptor<'_>,
id: egui::TextureId,
id: epaint::TextureId,
) {
crate::profile_function!();
@@ -741,7 +740,7 @@ impl Renderer {
device: &wgpu::Device,
queue: &wgpu::Queue,
encoder: &mut wgpu::CommandEncoder,
paint_jobs: &[egui::epaint::ClippedPrimitive],
paint_jobs: &[epaint::ClippedPrimitive],
screen_descriptor: &ScreenDescriptor,
) -> Vec<wgpu::CommandBuffer> {
crate::profile_function!();
@@ -801,7 +800,7 @@ impl Renderer {
let mut user_cmd_bufs = Vec::new(); // collect user command buffers
crate::profile_scope!("primitives");
for egui::ClippedPrimitive { primitive, .. } in paint_jobs.iter() {
for epaint::ClippedPrimitive { primitive, .. } in paint_jobs.iter() {
match primitive {
Primitive::Mesh(mesh) => {
{
@@ -844,14 +843,17 @@ impl Renderer {
}
}
fn create_sampler(options: egui::TextureOptions, device: &wgpu::Device) -> wgpu::Sampler {
fn create_sampler(
options: epaint::textures::TextureOptions,
device: &wgpu::Device,
) -> wgpu::Sampler {
let mag_filter = match options.magnification {
egui::TextureFilter::Nearest => wgpu::FilterMode::Nearest,
egui::TextureFilter::Linear => wgpu::FilterMode::Linear,
epaint::textures::TextureFilter::Nearest => wgpu::FilterMode::Nearest,
epaint::textures::TextureFilter::Linear => wgpu::FilterMode::Linear,
};
let min_filter = match options.minification {
egui::TextureFilter::Nearest => wgpu::FilterMode::Nearest,
egui::TextureFilter::Linear => wgpu::FilterMode::Linear,
epaint::textures::TextureFilter::Nearest => wgpu::FilterMode::Nearest,
epaint::textures::TextureFilter::Linear => wgpu::FilterMode::Linear,
};
device.create_sampler(&wgpu::SamplerDescriptor {
label: Some(&format!(
@@ -893,7 +895,7 @@ struct ScissorRect {
}
impl ScissorRect {
fn new(clip_rect: &egui::Rect, pixels_per_point: f32, target_size: [u32; 2]) -> Self {
fn new(clip_rect: &epaint::Rect, pixels_per_point: f32, target_size: [u32; 2]) -> Self {
// Transform clip rect to physical pixels:
let clip_min_x = pixels_per_point * clip_rect.min.x;
let clip_min_y = pixels_per_point * clip_rect.min.y;

9
crates/egui-wgpu/src/winit.rs
View File

@@ -1,9 +1,10 @@
use std::sync::Arc;
use egui::mutex::RwLock;
use tracing::error;
use wgpu::{Adapter, Instance, Surface};
use epaint::mutex::RwLock;
use crate::{renderer, RenderState, Renderer, SurfaceErrorAction, WgpuConfiguration};
struct SurfaceState {
@@ -249,9 +250,9 @@ impl Painter {
pub fn paint_and_update_textures(
&mut self,
pixels_per_point: f32,
clear_color: egui::Rgba,
clipped_primitives: &[egui::ClippedPrimitive],
textures_delta: &egui::TexturesDelta,
clear_color: epaint::Rgba,
clipped_primitives: &[epaint::ClippedPrimitive],
textures_delta: &epaint::textures::TexturesDelta,
) {
crate::profile_function!();