Render 2D with depth, reverse depth of camera projection

dirty fix in Renderer...

GlitchyEngine/src/Renderer/Renderer.bf

@@ -392,6 +392,9 @@ namespace GlitchyEngine.Renderer
 
 				_lights.Clear();
 
+				// TODO: I don't understand why we need to clear depth here. It should happen in SceneRenderer, but doesn't work for some reason...
+				RenderCommand.Clear(_sceneConstants.CompositionTarget, .Depth);
+
 				// Copy EntityIDs to compositionTarget
 				_gBuffer.Target.CopyTo(_sceneConstants.CompositionTarget, 1, int2.Zero, int2((int32)_sceneConstants.CameraTarget.Width, (int32)_sceneConstants.CameraTarget.Height), int2.Zero, 6);
 

GlitchyEngine/src/Renderer/Renderer2D.bf

@@ -759,9 +759,13 @@ namespace GlitchyEngine.Renderer
 
 			SortInstances();
 			
+			RenderCommand.SetDepthStencilState(Renderer.[Friend]_meshDepthStencilState);
+
 			DrawDeferredQuads();
 			DrawDeferredCircles();
 			DrawDeferredLines();
+
+			RenderCommand.SetDepthStencilState(Renderer.[Friend]_fullscreenDepthState);
 		}
 
 		private static void DrawDeferredQuads()

GlitchyEngine/src/World/Components/Components.bf

@@ -274,15 +274,16 @@ namespace GlitchyEngine.World
 				float halfWidth = halfHeight * _aspectRatio;
 
 				_projection = Matrix.OrthographicProjectionOffCenter(-halfWidth, halfWidth, halfHeight, -halfHeight,
-					_orthographicNearPlane, _orthographicFarPlane);
+					// Swap far and near plane, because we use reversed depth!
+					_orthographicFarPlane, _orthographicNearPlane);
 			}
 			else if (_projectionType case .Perspective)
 			{
-				_projection = Matrix.PerspectiveProjection(_perspectiveFovY, _aspectRatio, _perspectiveNearPlane, _perspectiveFarPlane);
+				_projection = Matrix.ReversedPerspectiveProjection(_perspectiveFovY, _aspectRatio, _perspectiveNearPlane, _perspectiveFarPlane);
 			}
 			else if (_projectionType case .InfinitePerspective)
 			{
-				_projection = Matrix.InfinitePerspectiveProjection(_perspectiveFovY, _aspectRatio, _perspectiveNearPlane);
+				_projection = Matrix.ReversedInfinitePerspectiveProjection(_perspectiveFovY, _aspectRatio, _perspectiveNearPlane);
 			}
 		}
 	}

GlitchyEngine/src/World/EditorCamera.bf

@@ -308,7 +308,7 @@ namespace GlitchyEngine.World
 		private void UpdateProjection() mut
 		{
 			//_projection = Matrix.InfinitePerspectiveProjection(_fovY, _aspectRatio, _nearPlane);
-			_projection = Matrix.PerspectiveProjection(_fovY, _aspectRatio, _nearPlane, 10000);
+			_projection = Matrix.ReversedPerspectiveProjection(_fovY, _aspectRatio, _nearPlane, 10000);
 		}
 
 		public void OnViewportResize(uint32 sizeX, uint32 sizeY) mut

GlitchyEngine/src/World/SceneRenderer.bf

@@ -1,6 +1,7 @@
 using GlitchyEngine.Renderer;
 using GlitchyEngine.Content;
 using GlitchyEngine.Math;
+using System;
 
 namespace GlitchyEngine.World;
 
@@ -26,20 +27,23 @@ class SceneRenderer
 	{
 		RenderTargetGroupDescription desc = .(100, 100,
 			TargetDescription[](
-			RenderTargetFormat.R16G16B16A16_Float,
+				.(.R16G16B16A16_Float, ownDebugName: new String("Color")),
-			.(RenderTargetFormat.R32_UInt) {ClearColor = .UInt(uint32.MaxValue)}),
+				.(.R32_UInt) {ClearColor = .UInt(uint32.MaxValue), DebugName = new String("EntityId")}
-			RenderTargetFormat.D24_UNorm_S8_UInt);
+			),
+			TargetDescription(.D24_UNorm_S8_UInt, clearColor: ClearColor.DepthStencil(0.0f, 0)));
 		_compositeTarget = new RenderTargetGroup(desc);
+		_compositeTarget.[Friend]Identifier = "Composite Target";
 
 		_cameraTarget = new RenderTargetGroup(.(){
 				Width = 100,
 				Height = 100,
 				ColorTargetDescriptions = TargetDescription[](
-					.(.R16G16B16A16_Float),
+					.(.R16G16B16A16_Float, ownDebugName: new String("Color")),
-					.(.R32_UInt)
+					.(.R32_UInt) {ClearColor = .UInt(uint32.MaxValue), DebugName = new String("EntityId")}
 				),
-				DepthTargetDescription = .(.D24_UNorm_S8_UInt)
+				DepthTargetDescription = .(.D24_UNorm_S8_UInt, clearColor: ClearColor.DepthStencil(0.0f, 0))
 			});
+		_cameraTarget.[Friend]Identifier = "Camera Target";
 
 		_gammaCorrectEffect = Content.LoadAsset("Resources/Shaders/GammaCorrect.hlsl");
 	}
@@ -84,6 +88,8 @@ class SceneRenderer
 		
 		renderTarget = _cameraTarget..AddRef();
 		
+		RenderCommand.Clear(_compositeTarget, .ColorDepth);
+
 		// 3D render
 		Renderer.BeginScene(*primaryCamera, primaryCameraTransform, renderTarget, _compositeTarget);