Added output target pragmas for random write targets. Not sure if these are necessary but it's something to keep an eye on.

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl

@@ -60,6 +60,7 @@
 #pragma PSSL_target_output_format(target 0 FMT_FP16_ABGR)
 #pragma PSSL_target_output_format(target 1 FMT_FP16_ABGR)
 #pragma PSSL_target_output_format(target 2 FMT_FP16_ABGR)
+#pragma PSSL_target_output_format(target 4 FMT_32_R)
 #endif
 
 struct AccumulateOutputsFS

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl

@@ -45,6 +45,7 @@
 #pragma PSSL_target_output_format(target 0 FMT_32_R)
 #pragma PSSL_target_output_format(target 1 FMT_FP16_ABGR)
 #pragma PSSL_target_output_format(target 2 FMT_32_R)
+#pragma PSSL_target_output_format(target 3 FMT_32_R)
 #endif
 
 struct ReconstructPrevDepthOutputsFS