Merge pull request #412 from Unity-Technologies/Branch_ChangeDefaultPCF

Changed default PCF for HDRP for directional to Tent_5x5 and punctual…

ScriptableRenderPipeline/HDRenderPipeline/Lighting/TilePass/ShadowDispatch.hlsl

 // directional
 #define SHADOW_DISPATCH_DIR_TEX 3
 #define SHADOW_DISPATCH_DIR_SMP 0
-#define SHADOW_DISPATCH_DIR_ALG GPUSHADOWALGORITHM_PCF_TENT_7X7
+#define SHADOW_DISPATCH_DIR_ALG GPUSHADOWALGORITHM_PCF_TENT_5X5
 // point
 #define SHADOW_DISPATCH_POINT_TEX 3
 #define SHADOW_DISPATCH_POINT_SMP 0
 //punctual
 #define SHADOW_DISPATCH_PUNC_TEX 3
 #define SHADOW_DISPATCH_PUNC_SMP 0
-#define SHADOW_DISPATCH_PUNC_ALG GPUSHADOWALGORITHM_PCF_TENT_7X7
+#define SHADOW_DISPATCH_PUNC_ALG GPUSHADOWALGORITHM_PCF_9TAP
 
 // example of overriding directional lights
 #ifdef  SHADOW_DISPATCH_USE_CUSTOM_DIRECTIONAL