FrameTexture resource providers

src/render/render_graph_2/passes/forward.rs

@@ -1,6 +1,7 @@
 use crate::render::render_graph_2::{
     resource_name, PassDescriptor, RenderGraphBuilder, RenderPassColorAttachmentDescriptor,
     RenderPassDepthStencilAttachmentDescriptor, TextureDescriptor, TextureDimension,
+    FrameTexture,
 };
 
 pub trait ForwardPassBuilder {
@@ -9,22 +10,19 @@ pub trait ForwardPassBuilder {
 
 impl ForwardPassBuilder for RenderGraphBuilder {
     fn add_forward_pass(self) -> Self {
-        self.add_texture(
-            resource_name::texture::DEPTH,
-            TextureDescriptor {
-                size: wgpu::Extent3d {
-                    depth: 1,
-                    width: 2560,
-                    height: 1440,
-                },
-                array_layer_count: 1,
-                mip_level_count: 1,
-                sample_count: 1,
-                dimension: TextureDimension::D2,
-                format: wgpu::TextureFormat::Depth32Float,
-                usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
+        self.add_resource_provider(Box::new(FrameTexture::new(resource_name::texture::DEPTH, TextureDescriptor {
+            size: wgpu::Extent3d {
+                depth: 1,
+                width: 1,
+                height: 1,
             },
-        )
+            array_layer_count: 1,
+            mip_level_count: 1,
+            sample_count: 1,
+            dimension: TextureDimension::D2,
+            format: wgpu::TextureFormat::Depth32Float,
+            usage: wgpu::TextureUsage::OUTPUT_ATTACHMENT,
+        })))
         .add_pass(
             "main",
             PassDescriptor {

src/render/render_graph_2/pipeline_layout.rs

@@ -156,6 +156,7 @@ impl From<TextureDimension> for wgpu::TextureDimension {
     }
 }
 
+#[derive(Copy, Clone)]
 pub struct TextureDescriptor {
     pub size: wgpu::Extent3d,
     pub array_layer_count: u32,

src/render/render_graph_2/renderer.rs

@@ -19,7 +19,7 @@ pub trait Renderer {
     fn process_render_graph(&mut self, render_graph: &mut RenderGraph, world: &mut World);
     // TODO: swap out wgpu::BufferUsage for non-wgpu type
     fn create_buffer_with_data(&mut self, name: &str, data: &[u8], buffer_usage: wgpu::BufferUsage);
-    fn create_texture(&mut self, name: &str, texture_descriptor: TextureDescriptor);
+    fn create_texture(&mut self, name: &str, texture_descriptor: &TextureDescriptor);
     fn get_dynamic_uniform_buffer_info(&self, name: &str) -> Option<&DynamicUniformBufferInfo>;
     fn get_dynamic_uniform_buffer_info_mut(
         &mut self,

src/render/render_graph_2/resource_provider.rs

@@ -1,5 +1,5 @@
 use crate::{render::{
-    render_graph_2::{resource_name, Renderer},
+    render_graph_2::{resource_name, Renderer, TextureDescriptor},
     ActiveCamera, Camera, Light, LightRaw,
 }, transform::prelude::Translation};
 use bevy_transform::prelude::LocalToWorld;
@@ -133,3 +133,39 @@ impl ResourceProvider for LightResourceProvider {
     }
     fn resize(&mut self, renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32) {}
 }
+
+pub struct FrameTexture {
+    pub name: String,
+    pub descriptor: TextureDescriptor,
+}
+
+impl FrameTexture {
+    pub fn new(name: &str, descriptor: TextureDescriptor) -> Self {
+        FrameTexture {
+            name: name.to_string(),
+            descriptor,
+        }
+    }
+
+    pub fn update(&mut self, renderer: &mut dyn Renderer, world: &World) {
+        let window = world.resources.get::<winit::window::Window>().unwrap();
+        let window_size = window.inner_size();
+        self.descriptor.size.width = window_size.width;
+        self.descriptor.size.height = window_size.height;
+        renderer.create_texture(&self.name, &self.descriptor);
+    }
+}
+
+impl ResourceProvider for FrameTexture {
+    fn initialize(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
+        self.update(renderer, world);
+    }
+
+    fn update(&mut self, renderer: &mut dyn Renderer, world: &mut World) {
+
+    }
+
+    fn resize(&mut self, renderer: &mut dyn Renderer, world: &mut World, width: u32, height: u32) {
+        self.update(renderer, world);
+    }
+}

src/render/render_graph_2/wgpu_renderer.rs

@@ -489,7 +489,7 @@ impl Renderer for WgpuRenderer {
         }
 
         for (name, texture_descriptor) in render_graph.queued_textures.drain(..) {
-            self.create_texture(&name, texture_descriptor);
+            self.create_texture(&name, &texture_descriptor);
         } 
 
         let mut encoder = self.encoder.take().unwrap();
@@ -643,8 +643,9 @@ impl Renderer for WgpuRenderer {
             .insert(name.to_string(), info);
     }
 
-    fn create_texture(&mut self, name: &str, texture_descriptor: TextureDescriptor) {
-        let texture = self.device.create_texture(&texture_descriptor.into());
+    fn create_texture(&mut self, name: &str, texture_descriptor: &TextureDescriptor) {
+        let descriptor: wgpu::TextureDescriptor = (*texture_descriptor).into();
+        let texture = self.device.create_texture(&descriptor);
         self.textures
             .insert(name.to_string(), texture.create_default_view());
     }