tweaks

src/render/state.rs

@@ -67,7 +67,9 @@ pub struct RenderState {
     // Gbuffer bs
     pub(in crate::render) gbuffer_pass: Pass,
     pub(in crate::render) gbuffer_cam_projection_buffer: wgpu::Buffer,
-    pub(in crate::render) gbuffer_depth: wgpu::TextureView,
+    pub(in crate::render) gbuffer_depth_texture: wgpu::TextureView,
+    pub(in crate::render) gbuffer_depth_views: Vec<Arc<TextureView>>,
+    pub(in crate::render) gbuffer_target_texture: wgpu::TextureView,
     pub(in crate::render) gbuffer_target_views: Vec<Arc<TextureView>>,
 
     // this is for the set=1 entity uniforms
@@ -884,6 +886,37 @@ impl RenderState {
             label: Some("Forward Depth Texture"),
         });
 
+        let g_buffer_depth_texture = device.create_texture(&wgpu::TextureDescriptor {
+            size: wgpu::Extent3d {
+                width: sc_desc.width,
+                height: sc_desc.height,
+                depth: 5,
+            },
+            mip_level_count: 1,
+            sample_count: 1,
+            dimension: wgpu::TextureDimension::D2,
+            format: Self::DEPTH_FORMAT,
+            usage: wgpu::TextureUsage::RENDER_ATTACHMENT | wgpu::TextureUsage::SAMPLED,
+            label: Some("g-buffer depth texture"),
+        });
+
+        // I need one of these for each of the g-buffer elements I'm calculating
+        let mut g_buffer_depth_texture_views = (0..4)
+            .map(|i| {
+                Arc::new(g_buffer_depth_texture.create_view(&wgpu::TextureViewDescriptor {
+                    label: Some("g-buffer depth texture"),
+                    format: None,
+                    dimension: Some(wgpu::TextureViewDimension::D2),
+                    aspect: wgpu::TextureAspect::All,
+                    base_mip_level: 0,
+                    level_count: None,
+                    base_array_layer: i as u32,
+                    array_layer_count: NonZeroU32::new(1),
+                }))
+            })
+            .collect::<Vec<_>>();
+
+
         let g_buffer_depth_texture = device.create_texture(&wgpu::TextureDescriptor {
             size: wgpu::Extent3d {
                 width: sc_desc.width,
@@ -925,7 +958,7 @@ impl RenderState {
         RenderState {
             gbuffer_pass: g_buffer_pass,
             gbuffer_cam_projection_buffer: g_buffer_camera_projection_uniform,
-            gbuffer_depth: g_buffer_depth_texture.create_view(&wgpu::TextureViewDescriptor::default()),
+            gbuffer_depth_texture: g_buffer_depth_texture.create_view(&wgpu::TextureViewDescriptor::default()),
             gbuffer_target_views: g_buffer_depth_texture_views,
 
             swapchain: swap_chain,