Check for HDR when selecting RT formats for opaque-only and final output.

This makes for fewer assumptions and should provide better support for HDR render paths.

Assets/Scenes/SampleScene.unity

@@ -282,7 +282,7 @@ Camera:
   m_TargetTexture: {fileID: 0}
   m_TargetDisplay: 0
   m_TargetEye: 3
-  m_HDR: 0
+  m_HDR: 1
   m_AllowMSAA: 0
   m_AllowDynamicResolution: 0
   m_ForceIntoRT: 0

Assets/Scripts/Fsr2Controller.cs

@@ -63,6 +63,8 @@ namespace FidelityFX
         private CommandBuffer _opaqueInputCommandBuffer;
         private CommandBuffer _inputsCommandBuffer;
 
+        private RenderTextureFormat DefaultFormat => _renderCamera.allowHDR ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
+        
         private void OnEnable()
         {
             // Set up the original camera to output all of the required FSR2 input resources at the desired resolution
@@ -88,7 +90,7 @@ namespace FidelityFX
 
             // Create command buffers to bind the camera's output at the right moments in the render loop
             _opaqueInputCommandBuffer = new CommandBuffer { name = "FSR2 Opaque Input" };
-            _opaqueInputCommandBuffer.GetTemporaryRT(Fsr2Pipeline.SrvOpaqueOnly, _renderSize.x, _renderSize.y, 0, default, RenderTextureFormat.ARGBHalf);
+            _opaqueInputCommandBuffer.GetTemporaryRT(Fsr2Pipeline.SrvOpaqueOnly, _renderSize.x, _renderSize.y, 0, default, DefaultFormat);
             _opaqueInputCommandBuffer.Blit(BuiltinRenderTextureType.CameraTarget, Fsr2Pipeline.SrvOpaqueOnly);
 
             _inputsCommandBuffer = new CommandBuffer { name = "FSR2 Inputs" };
@@ -268,7 +270,7 @@ namespace FidelityFX
             }
 
             // We are rendering to the backbuffer, so we need a temporary render texture for FSR2 to output to
-            _dispatchCommandBuffer.GetTemporaryRT(Fsr2Pipeline.UavUpscaledOutput, _displaySize.x, _displaySize.y, 0, default, GraphicsFormat.R16G16B16A16_SFloat, 1, true);
+            _dispatchCommandBuffer.GetTemporaryRT(Fsr2Pipeline.UavUpscaledOutput, _displaySize.x, _displaySize.y, 0, default, DefaultFormat, default, 1, true);
 
             _context.Dispatch(_dispatchDescription, _dispatchCommandBuffer);