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This commit is contained in:
Bradlee Speice 2025-04-06 21:02:27 -04:00
parent 98d9111688
commit 8aeb3cc32a
2 changed files with 13 additions and 2 deletions
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6
blog/2025-03-30-draw-compute-shader/draw-compute/shader/src/lib.rs
View File

@ -62,7 +62,11 @@ pub fn main_fs(
let img_coord = (frag_coord.xy() - viewport.offset.as_vec2()) / scale - img_offset; let img_coord = (frag_coord.xy() - viewport.offset.as_vec2()) / scale - img_offset;
*output = if img_coord.cmpge(glam::Vec2::ZERO).all() && img_coord.cmple(img_size).all() { *output = if img_coord.cmpge(glam::Vec2::ZERO).all() && img_coord.cmple(img_size).all() {
image[image_index(img_coord.x as usize, img_coord.y as usize, viewport.image.x as usize)] image[image_index(
img_coord.x as usize,
img_coord.y as usize,
viewport.image.x as usize,
)]
} else { } else {
BLACK BLACK
} }

9
blog/2025-03-30-draw-compute-shader/draw-compute/src/main.rs
View File

@ -276,7 +276,14 @@ impl eframe::App for ComputeDraw {
egui::TopBottomPanel::bottom("bottom").show(ctx, |ui| { egui::TopBottomPanel::bottom("bottom").show(ctx, |ui| {
let wgpu_render_state = frame.wgpu_render_state().expect("missing WGPU state"); let wgpu_render_state = frame.wgpu_render_state().expect("missing WGPU state");
let image_size = wgpu_render_state.renderer.as_ref().read().callback_resources.get::<DrawResources>().unwrap().image_size; let image_size = wgpu_render_state
.renderer
.as_ref()
.read()
.callback_resources
.get::<DrawResources>()
.unwrap()
.image_size;
ui.label(format!("Viewport: image={image_size}")) ui.label(format!("Viewport: image={image_size}"))
}); });