From 27b099c895825ee03555fd7bdaa8cefdb2125ead Mon Sep 17 00:00:00 2001
From: cel 🌸 <cel@bunny.garden>
Date: Thu, 20 Mar 2025 11:57:26 +0000
Subject: WIP: background image support
---
wgpu/src/lib.rs | 2 ++
wgpu/src/quad.rs | 16 ++++++++++++++++
wgpu/src/quad/background_image.rs | 31 +++++++++++++++++++++++++++++++
3 files changed, 49 insertions(+)
create mode 100644 wgpu/src/quad/background_image.rs
(limited to 'wgpu')
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 2ef9992c..875cbcde 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -163,6 +163,8 @@ impl Renderer {
device,
encoder,
&mut engine.staging_belt,
+ #[cfg(any(feature = "svg", feature = "image"))]
+ &mut self.image_cache.borrow_mut(),
&layer.quads,
viewport.projection(),
scale_factor,
diff --git a/wgpu/src/quad.rs b/wgpu/src/quad.rs
index de432d2f..311cd81f 100644
--- a/wgpu/src/quad.rs
+++ b/wgpu/src/quad.rs
@@ -1,12 +1,15 @@
+mod background_image;
mod gradient;
mod solid;
+use background_image::BackgroundImage;
use gradient::Gradient;
use solid::Solid;
use crate::core::{Background, Rectangle, Transformation};
use crate::graphics;
use crate::graphics::color;
+use crate::image::Cache;
use bytemuck::{Pod, Zeroable};
@@ -47,6 +50,7 @@ pub struct Quad {
pub struct Pipeline {
solid: solid::Pipeline,
gradient: gradient::Pipeline,
+ background_image: background_image::Pipeline,
constant_layout: wgpu::BindGroupLayout,
layers: Vec<Layer>,
prepare_layer: usize,
@@ -85,6 +89,7 @@ impl Pipeline {
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
belt: &mut wgpu::util::StagingBelt,
+ #[cfg(any(feature = "svg", feature = "image"))] cache: &mut Cache,
quads: &Batch,
transformation: Transformation,
scale: f32,
@@ -139,6 +144,7 @@ impl Pipeline {
gradient_offset += count;
}
+ Kind::Image => todo!(),
}
}
}
@@ -238,6 +244,9 @@ pub struct Batch {
/// The gradient quads of the [`Layer`].
gradients: Vec<Gradient>,
+ /// The image quads of the [`Layer`].
+ images: Vec<BackgroundImage>,
+
/// The quad order of the [`Layer`].
order: Order,
}
@@ -273,6 +282,11 @@ impl Batch {
Kind::Gradient
}
+ Background::Image(background_image) => {
+ self.images.push(BackgroundImage { quad });
+
+ Kind::Image
+ }
};
match self.order.last_mut() {
@@ -299,6 +313,8 @@ enum Kind {
Solid,
/// A gradient quad
Gradient,
+ /// A background image quad
+ Image,
}
fn color_target_state(
diff --git a/wgpu/src/quad/background_image.rs b/wgpu/src/quad/background_image.rs
new file mode 100644
index 00000000..b9217686
--- /dev/null
+++ b/wgpu/src/quad/background_image.rs
@@ -0,0 +1,31 @@
+use crate::Buffer;
+use crate::graphics::image;
+use crate::quad::{self, Quad};
+
+use bytemuck::{Pod, Zeroable};
+
+/// A quad filled with a background image.
+#[derive(Clone, Debug)]
+#[repr(C)]
+pub struct BackgroundImage {
+ /// The image data of the quad
+ // TODO: representable image background
+ pub background_image: image::Image,
+
+ /// The [`Quad`] data of the [`BackgroundImage`].
+ pub quad: Quad,
+}
+
+pub struct InnerBackgroundImage {
+ image: image::Image,
+ attachment: Attachment,
+ clip: Sizing,
+}
+
+#[derive(Debug)]
+pub struct Pipeline {
+ pipeline: crate::image::Pipeline,
+ constant_layout: wgpu::BindGroupLayout,
+ layers: Vec<Layer>,
+ prepare_layer: usize,
+}
--
cgit