Merge pull request #662 from EvgeniiG/master

Add #define USE_DEFERRED_DIRECTIONAL_SHADOWS

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.hlsl

 
     [branch] if (lightData.shadowIndex >= 0)
     {
-#ifdef _SURFACE_TYPE_TRANSPARENT
-        shadow = GetDirectionalShadowAttenuation(lightLoopContext.shadowContext, positionWS, N, lightData.shadowIndex, L, posInput.positionSS);
-#else
+#ifdef USE_DEFERRED_DIRECTIONAL_SHADOWS
+#else
+        shadow = GetDirectionalShadowAttenuation(lightLoopContext.shadowContext, positionWS, N, lightData.shadowIndex, L, posInput.positionSS);
 #endif
 
 #ifdef SHADOWS_SHADOWMASK

ScriptableRenderPipeline/HDRenderPipeline/Material/Material.hlsl

 // - _BLENDMODE_PRESERVE_SPECULAR_LIGHTING for correct lighting when blend mode are use with a Lit material
 // - _ENABLE_FOG_ON_TRANSPARENT if fog is enable on transparent surface
 
+#ifndef _SURFACE_TYPE_TRANSPARENT
+#define USE_DEFERRED_DIRECTIONAL_SHADOWS // Deferred shadows are always enabled for opaque objects
+#endif
+
 //-----------------------------------------------------------------------------
 // ApplyBlendMode function
 //-----------------------------------------------------------------------------