remove unused pass cache, cache imageviews instead

wgui/src/drawing.rs

@@ -289,6 +289,7 @@ pub struct Rectangle {
 pub struct ImagePrimitive {
 	pub content: CustomGlyphData,
 	pub content_key: usize,
+	pub skip_cache: bool,
 
 	pub border: f32, // width in pixels
 	pub border_color: Color,

wgui/src/renderer_vk/context.rs

@@ -2,22 +2,22 @@ use std::{cell::RefCell, rc::Rc, sync::Arc};
 
 use cosmic_text::Buffer;
 use glam::{Mat4, Vec2, Vec3};
-use slotmap::{SlotMap, new_key_type};
+use slotmap::{new_key_type, SlotMap};
 use vulkano::pipeline::graphics::viewport;
 
 use crate::{
 	drawing::{self},
 	font_config,
-	gfx::{WGfx, cmd::GfxCommandBuffer},
-	renderer_vk::image::{ImagePipeline, ImageRenderer},
+	gfx::{cmd::GfxCommandBuffer, WGfx},
+	renderer_vk::image::{ImagePipeline, ImageRenderer, ImageViewCache},
 };
 
 use super::{
 	rect::{RectPipeline, RectRenderer},
 	text::{
-		DEFAULT_METRICS, SWASH_CACHE, TextArea, TextBounds,
 		text_atlas::{TextAtlas, TextPipeline},
 		text_renderer::TextRenderer,
+		TextArea, TextBounds, DEFAULT_METRICS, SWASH_CACHE,
 	},
 	viewport::Viewport,
 };
@@ -62,6 +62,7 @@ impl RendererPass<'_> {
 		viewport: &mut Viewport,
 		cmd_buf: &mut GfxCommandBuffer,
 		text_atlas: &mut TextAtlas,
+		image_view_cache: &mut ImageViewCache,
 	) -> anyhow::Result<()> {
 		if self.submitted {
 			return Ok(());
@@ -95,7 +96,9 @@ impl RendererPass<'_> {
 
 		self.submitted = true;
 		self.rect_renderer.render(gfx, viewport, &vk_scissor, cmd_buf)?;
-		self.image_renderer.render(gfx, viewport, &vk_scissor, cmd_buf)?;
+		self
+			.image_renderer
+			.render(gfx, viewport, &vk_scissor, cmd_buf, image_view_cache)?;
 
 		{
 			let mut font_system = font_system.system.lock();
@@ -169,6 +172,7 @@ pub struct Context {
 	pub dirty: bool,
 	pixel_scale: f32,
 	empty_text: Rc<RefCell<Buffer>>,
+	image_cache: ImageViewCache,
 }
 
 pub struct ContextDrawResult {
@@ -187,6 +191,7 @@ impl Context {
 			pixel_scale,
 			dirty: true,
 			empty_text: Rc::new(RefCell::new(Buffer::new_empty(DEFAULT_METRICS))),
+			image_cache: ImageViewCache::new(),
 		})
 	}
 
@@ -339,6 +344,7 @@ impl Context {
 				&mut self.viewport,
 				cmd_buf,
 				&mut atlas.text_atlas,
+				&mut self.image_cache,
 			)?;
 		}
 

wgui/src/renderer_vk/image.rs

@@ -4,7 +4,7 @@ use cosmic_text::SubpixelBin;
 use glam::Mat4;
 use smallvec::smallvec;
 use vulkano::{
-	buffer::{BufferContents, BufferUsage, Subbuffer},
+	buffer::{BufferContents, BufferUsage},
 	command_buffer::CommandBufferUsage,
 	format::Format,
 	image::view::ImageView,
@@ -14,10 +14,9 @@ use vulkano::{
 use crate::{
 	drawing::{Boundary, ImagePrimitive},
 	gfx::{
-		BLEND_ALPHA, WGfx,
 		cmd::GfxCommandBuffer,
-		pass::WGfxPass,
 		pipeline::{WGfxPipeline, WPipelineCreateInfo},
+		WGfx, BLEND_ALPHA,
 	},
 	renderer_vk::{
 		model_buffer::ModelBuffer,
@@ -65,24 +64,24 @@ impl ImagePipeline {
 	}
 }
 
+pub type ImageViewCache = HashMap<usize, CachedImageView>;
+
+pub struct CachedImageView {
+	view: Arc<ImageView>,
+	res: [u32; 2],
+}
+
 struct ImageVertexWithContent {
 	vert: ImageVertex,
 	content: CustomGlyphData,
 	content_key: usize, // identifies an image tag.
-}
-
-struct CachedPass {
-	content_id: usize,
-	vert_buffer: Subbuffer<[ImageVertex]>,
-	inner: WGfxPass<ImageVertex>,
-	res: [u32; 2],
+	skip_cache: bool,
 }
 
 pub struct ImageRenderer {
 	pipeline: ImagePipeline,
 	image_verts: Vec<ImageVertexWithContent>,
 	model_buffer: ModelBuffer,
-	cached_passes: HashMap<usize, CachedPass>,
 }
 
 impl ImageRenderer {
@@ -91,15 +90,9 @@ impl ImageRenderer {
 			model_buffer: ModelBuffer::new(&pipeline.gfx)?,
 			pipeline,
 			image_verts: vec![],
-			cached_passes: HashMap::new(),
 		})
 	}
 
-	pub fn begin(&mut self) {
-		self.image_verts.clear();
-		self.model_buffer.begin();
-	}
-
 	pub fn add_image(&mut self, boundary: Boundary, image: ImagePrimitive, transform: &Mat4) {
 		let in_model_idx = self
 			.model_buffer
@@ -119,6 +112,7 @@ impl ImageRenderer {
 			},
 			content: image.content,
 			content_key: image.content_key,
+			skip_cache: image.skip_cache,
 		});
 	}
 
@@ -159,65 +153,58 @@ impl ImageRenderer {
 		viewport: &mut Viewport,
 		vk_scissor: &graphics::viewport::Scissor,
 		cmd_buf: &mut GfxCommandBuffer,
+		image_view_cache: &mut ImageViewCache,
 	) -> anyhow::Result<()> {
 		let res = viewport.resolution();
 		self.model_buffer.upload(gfx)?;
 
 		for img in &self.image_verts {
-			let pass = if let Some(x) = self.cached_passes.get_mut(&img.content_key) {
-				if x.content_id != img.content.id || x.res != res {
+			let image_view = if let Some(x) = image_view_cache.get_mut(&img.content_key) {
+				if img.skip_cache || x.res != res {
 					// image changed
 					let Some(image_view) = Self::upload_image(&self.pipeline.gfx, res, img)? else {
 						continue;
 					};
 
-					x.inner
-						.update_sampler(2, image_view, self.pipeline.gfx.texture_filter)?;
+					x.view = image_view;
+					x.res = res;
 				}
 
-				x
+				x.view.clone()
 			} else {
-				let vert_buffer = self.pipeline.gfx.empty_buffer(
-					BufferUsage::VERTEX_BUFFER | BufferUsage::TRANSFER_DST,
-					(std::mem::size_of::<ImageVertex>()) as _,
-				)?;
-
 				let Some(image_view) = Self::upload_image(&self.pipeline.gfx, res, img)? else {
 					continue;
 				};
 
-				let set0 = viewport.get_image_descriptor(&self.pipeline);
-				let set1 = self.model_buffer.get_image_descriptor(&self.pipeline);
-				let set2 = self
-					.pipeline
-					.inner
-					.uniform_sampler(2, image_view, self.pipeline.gfx.texture_filter)?;
-
-				let pass = self.pipeline.inner.create_pass(
-					[res[0] as _, res[1] as _],
-					[0.0, 0.0],
-					vert_buffer.clone(),
-					0..4,
-					0..1,
-					vec![set0, set1, set2],
-					vk_scissor,
-				)?;
-
-				self.cached_passes.insert(
-					img.content_key,
-					CachedPass {
-						content_id: img.content.id,
-						vert_buffer,
-						inner: pass,
-						res,
-					},
-				);
-				self.cached_passes.get_mut(&img.content_key).unwrap()
+				image_view_cache.insert(img.content_key, CachedImageView { view: image_view, res });
+				image_view_cache.get_mut(&img.content_key).unwrap().view.clone()
 			};
 
-			pass.vert_buffer.write()?[0..1].clone_from_slice(&[img.vert]);
+			let vert_buffer = self.pipeline.gfx.empty_buffer(
+				BufferUsage::VERTEX_BUFFER | BufferUsage::TRANSFER_DST,
+				(std::mem::size_of::<ImageVertex>()) as _,
+			)?;
 
-			cmd_buf.run_ref(&pass.inner)?;
+			let set0 = viewport.get_image_descriptor(&self.pipeline);
+			let set1 = self.model_buffer.get_image_descriptor(&self.pipeline);
+			let set2 = self
+				.pipeline
+				.inner
+				.uniform_sampler(2, image_view, self.pipeline.gfx.texture_filter)?;
+
+			let pass = self.pipeline.inner.create_pass(
+				[res[0] as _, res[1] as _],
+				[0.0, 0.0],
+				vert_buffer.clone(),
+				0..4,
+				0..1,
+				vec![set0, set1, set2],
+				vk_scissor,
+			)?;
+
+			vert_buffer.write()?[0..1].clone_from_slice(&[img.vert]);
+
+			cmd_buf.run_ref(&pass)?;
 		}
 
 		Ok(())

wgui/src/renderer_vk/rect.rs

@@ -10,10 +10,9 @@ use vulkano::{
 use crate::{
 	drawing::{Boundary, Rectangle},
 	gfx::{
-		BLEND_ALPHA, WGfx,
 		cmd::GfxCommandBuffer,
-		pass::WGfxPass,
 		pipeline::{WGfxPipeline, WPipelineCreateInfo},
+		WGfx, BLEND_ALPHA,
 	},
 	renderer_vk::model_buffer::ModelBuffer,
 };
@@ -59,18 +58,12 @@ impl RectPipeline {
 	}
 }
 
-struct CachedPass {
-	pass: WGfxPass<RectVertex>,
-	res: [u32; 2],
-}
-
 pub struct RectRenderer {
 	pipeline: RectPipeline,
 	rect_vertices: Vec<RectVertex>,
 	vert_buffer: Subbuffer<[RectVertex]>,
 	vert_buffer_len: usize,
 	model_buffer: ModelBuffer,
-	pass: Option<CachedPass>,
 }
 
 impl RectRenderer {
@@ -88,15 +81,9 @@ impl RectRenderer {
 			rect_vertices: vec![],
 			vert_buffer,
 			vert_buffer_len: BUFFER_SIZE,
-			pass: None,
 		})
 	}
 
-	pub fn begin(&mut self) {
-		self.rect_vertices.clear();
-		self.model_buffer.begin();
-	}
-
 	pub fn add_rect(&mut self, boundary: Boundary, rectangle: Rectangle, transform: &Mat4) {
 		let in_model_idx = self
 			.model_buffer
@@ -144,27 +131,20 @@ impl RectRenderer {
 		self.model_buffer.upload(gfx)?;
 		self.upload_verts()?;
 
-		let cache = match self.pass.take() {
-			Some(p) if p.res == res => p,
-			_ => {
-				let set0 = viewport.get_rect_descriptor(&self.pipeline);
-				let set1 = self.model_buffer.get_rect_descriptor(&self.pipeline);
-				let pass = self.pipeline.color_rect.create_pass(
-					[res[0] as _, res[1] as _],
-					[0.0, 0.0],
-					self.vert_buffer.clone(),
-					0..4,
-					0..self.rect_vertices.len() as _,
-					vec![set0, set1],
-					vk_scissor,
-				)?;
-				CachedPass { pass, res }
-			}
-		};
+		let set0 = viewport.get_rect_descriptor(&self.pipeline);
+		let set1 = self.model_buffer.get_rect_descriptor(&self.pipeline);
+		let pass = self.pipeline.color_rect.create_pass(
+			[res[0] as _, res[1] as _],
+			[0.0, 0.0],
+			self.vert_buffer.clone(),
+			0..4,
+			0..self.rect_vertices.len() as _,
+			vec![set0, set1],
+			vk_scissor,
+		)?;
 
 		self.rect_vertices.clear();
-		cmd_buf.run_ref(&cache.pass)?;
-		self.pass = Some(cache);
+		cmd_buf.run_ref(&pass)?;
 		Ok(())
 	}
 }

wgui/src/renderer_vk/text/text_renderer.rs

@@ -1,27 +1,24 @@
 use crate::{
-	gfx::{cmd::GfxCommandBuffer, pass::WGfxPass},
+	gfx::cmd::GfxCommandBuffer,
 	renderer_vk::{model_buffer::ModelBuffer, text::text_atlas::TEXT_ATLAS_ISLAND_PADDING_PX, viewport::Viewport},
 };
 
 use super::{
-	ContentType, FontSystem, GlyphDetails, GpuCacheStatus, SwashCache, TextArea,
 	custom_glyph::{CustomGlyphCacheKey, RasterizeCustomGlyphRequest, RasterizedCustomGlyph},
 	text_atlas::{GlyphVertex, TextAtlas, TextPipeline},
+	ContentType, FontSystem, GlyphDetails, GpuCacheStatus, SwashCache, TextArea,
 };
 use cosmic_text::{Color, SubpixelBin, SwashContent};
-use etagere::size2;
+use etagere::{size2, AllocId};
 use glam::{Mat4, Vec2, Vec3};
+use std::collections::HashSet;
+
 use vulkano::{
 	buffer::{BufferUsage, Subbuffer},
 	command_buffer::CommandBufferUsage,
 	pipeline::graphics,
 };
 
-struct CachedPass {
-	pass: WGfxPass<GlyphVertex>,
-	res: [u32; 2],
-}
-
 /// A text renderer that uses cached glyphs to render text into an existing render pass.
 pub struct TextRenderer {
 	pipeline: TextPipeline,
@@ -29,7 +26,6 @@ pub struct TextRenderer {
 	vertex_buffer_capacity: usize,
 	glyph_vertices: Vec<GlyphVertex>,
 	model_buffer: ModelBuffer,
-	pass: Option<CachedPass>,
 }
 
 impl TextRenderer {
@@ -49,7 +45,6 @@ impl TextRenderer {
 			vertex_buffer,
 			vertex_buffer_capacity: INITIAL_CAPACITY,
 			glyph_vertices: Vec::new(),
-			pass: None,
 		})
 	}
 

wgui/src/widget/image.rs

@@ -8,7 +8,7 @@ use crate::{
 	globals::Globals,
 	layout::WidgetID,
 	renderer_vk::text::custom_glyph::CustomGlyphData,
-	widget::{WidgetStateFlags, util::WLength},
+	widget::{util::WLength, WidgetStateFlags},
 };
 
 use super::{WidgetObj, WidgetState};
@@ -30,6 +30,7 @@ pub struct WidgetImage {
 	params: WidgetImageParams,
 	id: WidgetID,
 	content_key: usize,
+	dirty: bool,
 }
 
 impl WidgetImage {
@@ -40,6 +41,7 @@ impl WidgetImage {
 				params,
 				id: WidgetID::null(),
 				content_key: AUTO_INCREMENT.fetch_add(1, Ordering::Relaxed),
+				dirty: true,
 			}),
 		)
 	}
@@ -50,6 +52,7 @@ impl WidgetImage {
 		}
 
 		self.params.glyph_data = content;
+		self.dirty = true;
 		alterables.mark_dirty_and_redraw(self.id);
 	}
 
@@ -79,11 +82,13 @@ impl WidgetObj for WidgetImage {
 			ImagePrimitive {
 				content,
 				content_key: self.content_key,
+				skip_cache: self.dirty,
 				border: self.params.border,
 				border_color: self.params.border_color,
 				round_units,
 			},
 		));
+		self.dirty = false;
 	}
 
 	fn measure(