migrations/egui
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Simplify backends by adding fn paint_and_update_textures helper

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This commit is contained in:
Emil Ernerfeldt
2022-02-21 21:49:52 +01:00
parent 8f887e2ebd
commit 0a46634c13
7 changed files with 73 additions and 42 deletions
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14
egui_glow/src/epi_backend.rs
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@@ -83,14 +83,9 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
std::thread::sleep(std::time::Duration::from_millis(10));
}
let (needs_repaint, mut textures_delta, shapes) =
integration.update(gl_window.window());
let (needs_repaint, textures_delta, shapes) = integration.update(gl_window.window());
let clipped_meshes = integration.egui_ctx.tessellate(shapes);
for (id, image_delta) in textures_delta.set {
painter.set_texture(&gl, id, &image_delta);
}
// paint:
{
let color = integration.app.clear_color();
@@ -100,20 +95,17 @@ pub fn run(app: Box<dyn epi::App>, native_options: &epi::NativeOptions) -> ! {
gl.clear_color(color[0], color[1], color[2], color[3]);
gl.clear(glow::COLOR_BUFFER_BIT);
}
painter.paint_meshes(
painter.paint_and_update_textures(
&gl,
gl_window.window().inner_size().into(),
integration.egui_ctx.pixels_per_point(),
clipped_meshes,
&textures_delta,
);
gl_window.swap_buffers().unwrap();
}
for id in textures_delta.free.drain(..) {
painter.free_texture(&gl, id);
}
{
*control_flow = if integration.should_quit() {
winit::event_loop::ControlFlow::Exit

19
egui_glow/src/painter.rs
View File

@@ -270,6 +270,25 @@ impl Painter {
(width_in_pixels, height_in_pixels)
}
pub fn paint_and_update_textures(
&mut self,
gl: &glow::Context,
inner_size: [u32; 2],
pixels_per_point: f32,
clipped_meshes: Vec<egui::ClippedMesh>,
textures_delta: &egui::TexturesDelta,
) {
for (id, image_delta) in &textures_delta.set {
self.set_texture(gl, *id, image_delta);
}
self.paint_meshes(gl, inner_size, pixels_per_point, clipped_meshes);
for &id in &textures_delta.free {
self.free_texture(gl, id);
}
}
/// Main entry-point for painting a frame.
/// You should call `target.clear_color(..)` before
/// and `target.finish()` after this.