graphics: need depth texture

engine/graphics/src/graphics.rs

@@ -127,6 +127,7 @@ pub struct GraphicsState{
 	camera_buf:wgpu::Buffer,
 	temp_squid_texture_view:wgpu::TextureView,
 	models:Vec<GraphicsModel>,
+	depth:wgpu::Texture,
 	depth_view:wgpu::TextureView,
 	staging_belt:wgpu::util::StagingBelt,
 	model_instances_uniform_len:usize,
@@ -137,8 +138,8 @@ impl GraphicsState{
 	fn create_depth_texture(
 		size:glam::UVec2,
 		device:&wgpu::Device,
-	)->wgpu::TextureView{
-		let depth_texture=device.create_texture(&wgpu::TextureDescriptor{
+	)->wgpu::Texture{
+		device.create_texture(&wgpu::TextureDescriptor{
 			size:wgpu::Extent3d{
 				width:size.x,
 				height:size.y,
@@ -151,9 +152,10 @@ impl GraphicsState{
 			usage:wgpu::TextureUsages::RENDER_ATTACHMENT,
 			label:None,
 			view_formats:&[],
-		});
-
-		depth_texture.create_view(&wgpu::TextureViewDescriptor::default())
+		})
+	}
+	pub const fn depth_texture(&self)->&wgpu::Texture{
+		&self.depth
 	}
 	pub const fn depth_texture_view(&self)->&wgpu::TextureView{
 		&self.depth_view
@@ -881,7 +883,8 @@ impl GraphicsState{
 			label:Some("Sky Texture"),
 		});
 
-		let depth_view=Self::create_depth_texture(size,device);
+		let depth=Self::create_depth_texture(size,device);
+		let depth_view=depth.create_view(&wgpu::TextureViewDescriptor::default());
 
 		Self{
 			pipelines:GraphicsPipelines{
@@ -895,6 +898,7 @@ impl GraphicsState{
 			camera,
 			camera_buf,
 			models:Vec::new(),
+			depth,
 			depth_view,
 			staging_belt:wgpu::util::StagingBelt::new(device.clone(),0x100),
 			bind_group_layouts:GraphicsBindGroupLayouts{model:model_bind_group_layout},
@@ -909,7 +913,8 @@ impl GraphicsState{
 		size:glam::UVec2,
 		fov:glam::Vec2,
 	){
-		self.depth_view=Self::create_depth_texture(size,device);
+		self.depth=Self::create_depth_texture(size,device);
+		self.depth_view=self.depth.create_view(&wgpu::TextureViewDescriptor::default());
 		self.camera.screen_size=size;
 		self.camera.fov=fov;
 	}