add depth format to framebuffer

FinalEngine.Rendering.OpenGL/Buffers/OpenGLFrameBuffer.cs

@@ -13,6 +13,7 @@ namespace FinalEngine.Rendering.OpenGL.Buffers;
 using FinalEngine.Rendering.OpenGL.Textures;
 using FinalEngine.Rendering.Textures;
 using OpenTK.Graphics.OpenGL4;
+using PixelFormat = Rendering.Textures.PixelFormat;
 
 public class OpenGLFrameBuffer : IFrameBuffer, IOpenGLFrameBuffer, IDisposable
 {
@@ -51,7 +52,15 @@ public OpenGLFrameBuffer(IOpenGLInvoker invoker, IReadOnlyList<IOpenGLTexture> c
         }
 
         this.invoker.NamedFramebufferDrawBuffers(this.rendererID, attachmentCount, ref bufs[0]);
-        depthTarget?.Attach(FramebufferAttachment.DepthStencilAttachment, this.rendererID);
+        if (depthTarget != null)
+        {
+            var framebufferAttachment = FramebufferAttachment.DepthAttachment;
+            if (depthTarget is { Format: PixelFormat.DepthAndStencil })
+            {
+                framebufferAttachment = FramebufferAttachment.DepthStencilAttachment;
+            }
+            depthTarget.Attach(framebufferAttachment, this.rendererID);
+        }
 
         var status = invoker.CheckNamedFramebufferStatus(this.rendererID, FramebufferTarget.Framebuffer);
 

FinalEngine.Rendering.OpenGL/OpenGLRenderDevice.cs

@@ -94,6 +94,7 @@ public OpenGLRenderDevice(IOpenGLInvoker invoker)
             { PixelType.Byte,  TKPixelType.UnsignedByte },
             { PixelType.Int, TKPixelType.UnsignedInt },
             { PixelType.Short, TKPixelType.UnsignedShort },
+            { PixelType.Float, TKPixelType.Float },
             { PixelFormat.R, TKPixelForamt.Red },
             { PixelFormat.Rg, TKPixelForamt.Rg },
             { PixelFormat.Rgb, TKPixelForamt.Rgb },
@@ -104,6 +105,9 @@ public OpenGLRenderDevice(IOpenGLInvoker invoker)
             { SizedFormat.Rg8, SizedInternalFormat.Rg8 },
             { SizedFormat.Rgb8, All.Rgb8 },
             { SizedFormat.Rgba8, SizedInternalFormat.Rgba8 },
+            { SizedFormat.Depth, SizedInternalFormat.DepthComponent32f },
+            { SizedFormat.Depth24Stencil8, SizedInternalFormat.Depth24Stencil8 },
+            { SizedFormat.Depth32fStencil8, SizedInternalFormat.Depth32fStencil8 },
             { BufferUsageType.Static, BufferUsageHint.StaticDraw },
             { BufferUsageType.Dynamic, BufferUsageHint.DynamicDraw },
         };

FinalEngine.Rendering/Textures/PixelType.cs

@@ -14,4 +14,6 @@ public enum PixelType
     Byte,
 
     Short,
+
+    Float,
 }

FinalEngine.Rendering/Textures/SizedFormat.cs

@@ -13,4 +13,10 @@
     Rgb8,
 
     Rgba8,
+
+    Depth,
+
+    Depth24Stencil8,
+
+    Depth32fStencil8
 }