target views

src/render/state.rs

@@ -326,7 +326,7 @@ impl RenderState {
                 mapped_at_creation: false,
             });
 
-            // Pretty sure this is the camera projction
+            // Uniform bind group for the view matrix
             let bind_group_layout =
                 device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
                     label: Some("g-buffer input pass bindgroup layout (cam)"),
@@ -372,7 +372,7 @@ impl RenderState {
             });
 
             let pipeline = device.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
-                label: Some("shadow"),
+                label: Some("g-buffer"),
                 layout: Some(&pipeline_layout),
 
                 vertex: VertexState {
@@ -447,14 +447,6 @@ impl RenderState {
                 mapped_at_creation: false,
             });
 
-            // Holds the shadow uniforms, which is just a 4 vec of quaternians
-            let g_buffer = device.create_buffer(&wgpu::BufferDescriptor {
-                label: Some("shadow_pass_g_buffer"),
-                size: uniform_size,
-                usage: wgpu::BufferUsage::STORAGE | wgpu::BufferUsage::COPY_DST,
-                mapped_at_creation: false,
-            });
-
             // Create bind group
             let bind_group = device.create_bind_group(&wgpu::BindGroupDescriptor {
                 layout: &bind_group_layout,
@@ -778,7 +770,8 @@ impl RenderState {
             label: Some("g-buffer depth texture"),
         });
 
-        let mut g_buffer_depth_texture_views = (0..2)
+        // 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(shadow_texture.create_view(&wgpu::TextureViewDescriptor {
                     label: Some("g-buffer depth texture"),

src/render/system.rs

@@ -1,30 +1,30 @@
+use std::{iter, num::NonZeroU32, ops::Range, rc::Rc};
 use std::cell::RefCell;
 use std::iter::Chain;
 use std::slice::Iter;
 use std::sync::{Arc, Mutex};
 use std::thread::current;
 use std::time::Duration;
-use std::{iter, num::NonZeroU32, ops::Range, rc::Rc};
 
-use bytemuck::__core::mem;
 use bytemuck::{Pod, Zeroable};
+use bytemuck::__core::mem;
 use cgmath::{
-    vec3, Decomposed, Deg, Euler, InnerSpace, Matrix4, Point3, Quaternion, Rad, Rotation3,
+    Decomposed, Deg, Euler, InnerSpace, Matrix4, Point3, Quaternion, Rad, Rotation3, Transform,
-    Transform, Vector3,
+    vec3, Vector3,
 };
 use futures::executor::LocalPool;
-use imgui::sys::ImGuiContext;
 use imgui::*;
+use imgui::sys::ImGuiContext;
 use imgui_wgpu::{Renderer as ImguiRenderer, RendererConfig as ImguiRendererConfig};
-use legion::world::SubWorld;
 use legion::*;
+use legion::world::SubWorld;
 use rapier3d::parry::motion::RigidMotionComposition;
-use wgpu::util::DeviceExt;
 use wgpu::{
     BackendBit, BindGroup, BindGroupLayout, Buffer, BufferBindingType, CommandEncoder, Device,
     FragmentState, Instance, Queue, Surface, SwapChain, SwapChainDescriptor, SwapChainFrame,
     TextureView, VertexState,
 };
+use wgpu::util::DeviceExt;
 use winit_24::dpi::PhysicalSize;
 use winit_24::platform::unix::x11::ffi::Time;
 use winit_24::window::Window;
@@ -35,8 +35,8 @@ use crate::current_ui;
 use crate::geometry::{load_obj, Vertex};
 use crate::imgui_supp::imgui_support::{ImguiContext, ImguiPlatform};
 use crate::light::{DirectionalLight, LightRaw};
+use crate::render::{EntityUniforms, ForwardUniforms, insert_debug_marker_checked, pop_debug_group_checked, push_debug_group_checked};
 use crate::render::state::RenderState;
-use crate::render::{insert_debug_marker_checked, pop_debug_group_checked, push_debug_group_checked, EntityUniforms, ForwardUniforms};
 
 #[system]
 #[write_component(Camera)]
@@ -79,6 +79,7 @@ fn run_imgui_render_step<G: 'static + Sized + Send + Sync>(world: &mut SubWorld,
             .build(&ui, || (window_func.unwrap())(ui, v));
     }
 }
+
 /// Go through each "global" window-data component and render it's data
 #[system]
 #[write_component(ImguiWindow < ImguiPerformanceProfilerLine >)]
@@ -256,9 +257,24 @@ pub fn render_test(
         // top of the shadow texture. So the attachment is a RW buffer which clears on load
         let mut pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
             label: Some("render pass"),
-            color_attachments: &[],
+            color_attachments: &[
-            depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
+                wgpu::RenderPassColorAttachmentDescriptor {
                     attachment: &renderer.gbuffer_target_views.get(0).unwrap(),
+                    resolve_target: None,
+                    ops: Default::default(),
+                },
+                wgpu::RenderPassColorAttachmentDescriptor {
+                    attachment: &renderer.gbuffer_target_views.get(1).unwrap(),
+                    resolve_target: None,
+                    ops: Default::default(),
+                },
+                wgpu::RenderPassColorAttachmentDescriptor {
+                    attachment: &renderer.gbuffer_target_views.get(2).unwrap(),
+                    resolve_target: None,
+                    ops: Default::default(),
+                }],
+            depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachmentDescriptor {
+                attachment: &renderer.gbuffer_target_views.get(3).unwrap(),
                 depth_ops: Some(wgpu::Operations {
                     load: wgpu::LoadOp::Clear(1.0),
                     store: true,
@@ -266,16 +282,17 @@ pub fn render_test(
                 stencil_ops: None,
             }),
         });
-        pass.set_pipeline(&renderer.shadow_pass.pipeline);
-        pass.set_bind_group(0, &renderer.shadow_pass.bind_group, &[]);
 
-        for mesh in &mesh_stack {
+        pass.set_pipeline(&renderer.gbuffer_pass.pipeline);
-            pass.set_bind_group(1, &mesh.bind_group, &[]);
+        pass.set_bind_group(0, &renderer.gbuffer_pass.bind_group, &[]);
-            // TODO, pipe through this index format through the mesh
+
-            pass.set_index_buffer(mesh.index_buffer.slice(..), mesh.index_format);
+        // for mesh in &mesh_stack {
-            pass.set_vertex_buffer(0, mesh.vertex_buffer.slice(..));
+        //     pass.set_bind_group(1, &mesh.bind_group, &[]);
-            pass.draw_indexed(0..mesh.index_count as u32, 0, 0..1);
+        //     // TODO, pipe through this index format through the mesh
-        }
+        //     pass.set_index_buffer(mesh.index_buffer.slice(..), mesh.index_format);
+        //     pass.set_vertex_buffer(0, mesh.vertex_buffer.slice(..));
+        //     pass.draw_indexed(0..mesh.index_count as u32, 0, 0..1);
+        // }
     }
     pop_debug_group_checked(&mut encoder);