Made PSSL pragmas only get included for PSSL to prevent compiler warnings, and require native 16-bit compilation for PSSL.

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/ffxm_fsr2_common.cginc

@@ -6,7 +6,7 @@
 // Doesn't work for:
 // - DX11: forces use of DXC which is not supported
 // - XB1: native FP16 seems to be unsupported
-#if defined(SHADER_API_VULKAN)
+#if defined(SHADER_API_VULKAN) || defined(SHADER_API_PSSL)
 #pragma require Native16Bit
 #endif
 

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

@@ -56,7 +56,9 @@
 #include "fsr2/ffxm_fsr2_reproject.h"
 #include "fsr2/ffxm_fsr2_accumulate.h"
 
+#if defined(SHADER_API_PSSL)
 #pragma PSSL_target_output_format(target 1 FMT_FP16_ABGR)
+#endif
 
 struct AccumulateOutputsFS
 {

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl

@@ -36,7 +36,9 @@
 #include "fsr2/ffxm_fsr2_callbacks_hlsl.h"
 #include "fsr2/ffxm_fsr2_common.h"
 
+#if defined(SHADER_API_PSSL)
 #pragma PSSL_target_output_format(default FMT_32_R)
+#endif
 
 struct GenReactiveMaskOutputs
 {

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl

@@ -45,7 +45,9 @@
 #include "fsr2/ffxm_fsr2_sample.h"
 #include "fsr2/ffxm_fsr2_depth_clip.h"
 
+#if defined(SHADER_API_PSSL)
 #pragma PSSL_target_output_format(target 0 FMT_FP16_ABGR)
+#endif
 
 struct DepthClipOutputsFS
 {

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

@@ -41,9 +41,11 @@
 #include "fsr2/ffxm_fsr2_sample.h"
 #include "fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h"
 
+#if defined(SHADER_API_PSSL)
 #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)
+#endif
 
 struct ReconstructPrevDepthOutputsFS
 {