From 169d6f92ceeb73fb3bc60a49e8cd58061531c832 Mon Sep 17 00:00:00 2001
From: Tei Leelo Roberts <ten3roberts@gmail.com>
Date: Sat, 19 Oct 2024 17:14:35 +0200
Subject: [PATCH] chore: expose more apis

---
 violet-wgpu/src/app.rs                      | 14 ++++++++++++-
 violet-wgpu/src/graphics/gpu.rs             | 16 ++++++--------
 violet-wgpu/src/renderer/mod.rs             | 23 +++++++++++++--------
 violet-wgpu/src/renderer/window_renderer.rs |  2 +-
 4 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/violet-wgpu/src/app.rs b/violet-wgpu/src/app.rs
index ab2aee9..4eb9e61 100644
--- a/violet-wgpu/src/app.rs
+++ b/violet-wgpu/src/app.rs
@@ -167,7 +167,7 @@ impl AppBuilder {
 /// A running application instance of violet
 pub struct AppInstance {
     pub frame: Frame,
-    root: Entity,
+    pub root: Entity,
     scale_factor: f64,
     current_time: Instant,
     start_time: Instant,
@@ -293,6 +293,18 @@ impl AppInstance {
     pub fn frame(&self) -> &Frame {
         &self.frame
     }
+
+    pub fn root(&self) -> Entity {
+        self.root
+    }
+
+    pub fn text_system(&self) -> &Arc<Mutex<TextSystem>> {
+        &self.text_system
+    }
+
+    pub fn layout_changes_rx(&self) -> &flume::Receiver<(Entity, LayoutUpdateEvent)> {
+        &self.layout_changes_rx
+    }
 }
 
 struct WindowEventHandler {
diff --git a/violet-wgpu/src/graphics/gpu.rs b/violet-wgpu/src/graphics/gpu.rs
index 1bcc295..8a092f0 100644
--- a/violet-wgpu/src/graphics/gpu.rs
+++ b/violet-wgpu/src/graphics/gpu.rs
@@ -6,9 +6,9 @@ use winit::{dpi::PhysicalSize, window::Window};
 /// Represents the Gpu and graphics state
 #[derive(Debug)]
 pub struct Gpu {
-    pub adapter: Adapter,
-    pub device: wgpu::Device,
-    pub queue: wgpu::Queue,
+    pub adapter: Arc<Adapter>,
+    pub device: Arc<wgpu::Device>,
+    pub queue: Arc<wgpu::Queue>,
 }
 
 pub struct Surface {
@@ -138,9 +138,9 @@ impl Gpu {
 
         (
             Self {
-                adapter,
-                device,
-                queue,
+                adapter: Arc::new(adapter),
+                device: Arc::new(device),
+                queue: Arc::new(queue),
             },
             Surface {
                 surface,
@@ -149,8 +149,4 @@ impl Gpu {
             },
         )
     }
-
-    // pub fn surface_caps(&self) -> &SurfaceCapabilities {
-    //     &self.surface_caps
-    // }
 }
diff --git a/violet-wgpu/src/renderer/mod.rs b/violet-wgpu/src/renderer/mod.rs
index fb21206..daa367f 100644
--- a/violet-wgpu/src/renderer/mod.rs
+++ b/violet-wgpu/src/renderer/mod.rs
@@ -18,8 +18,8 @@ use violet_core::{
     Frame, Rect,
 };
 use wgpu::{
-    BindGroup, BindGroupLayout, BufferUsages, CommandEncoder, Operations, RenderPassDescriptor,
-    ShaderStages, StoreOp, TextureFormat, TextureView,
+    BindGroup, BindGroupLayout, BufferUsages, CommandEncoder, LoadOp, Operations,
+    RenderPassDescriptor, ShaderStages, StoreOp, TextureFormat, TextureView,
 };
 
 use crate::{
@@ -280,6 +280,7 @@ impl MainRenderer {
         frame: &mut Frame,
         encoder: &mut CommandEncoder,
         target_view: &TextureView,
+        clear: bool,
     ) -> anyhow::Result<()> {
         puffin::profile_function!();
 
@@ -289,12 +290,16 @@ impl MainRenderer {
                 view: target_view,
                 resolve_target: None,
                 ops: Operations {
-                    load: wgpu::LoadOp::Clear(wgpu::Color {
-                        r: 0.0,
-                        g: 0.0,
-                        b: 0.0,
-                        a: 0.0,
-                    }),
+                    load: if clear {
+                        LoadOp::Clear(wgpu::Color {
+                            r: 0.0,
+                            g: 0.0,
+                            b: 0.0,
+                            a: 0.0,
+                        })
+                    } else {
+                        LoadOp::Load
+                    },
                     store: StoreOp::Store,
                 },
             })],
@@ -390,7 +395,7 @@ impl MainRenderer {
         Ok(())
     }
 
-    fn resize(
+    pub fn resize(
         &mut self,
         ctx: &RendererContext,
         physical_size: winit::dpi::PhysicalSize<u32>,
diff --git a/violet-wgpu/src/renderer/window_renderer.rs b/violet-wgpu/src/renderer/window_renderer.rs
index 9d46364..d2536bd 100644
--- a/violet-wgpu/src/renderer/window_renderer.rs
+++ b/violet-wgpu/src/renderer/window_renderer.rs
@@ -94,7 +94,7 @@ impl WindowRenderer {
                 });
 
         self.main_renderer
-            .draw(&mut self.ctx, frame, &mut encoder, &view)
+            .draw(&mut self.ctx, frame, &mut encoder, &view, true)
             .context("Failed to draw shapes")?;
 
         {