Fixed Shadow filtering

Using MATERIAL_RT_DEPTH_ONLY disables hardware filtering, which causes shadows to be pixelated, even with pcf. changing it back to MATERIAL_RT_DEPTH_NONE re-enables hardware filtering, while still working as a depth texture.

Author: RoyaleNoir

sp/src/game/client/clientshadowmgr.cpp

@@ -1494,7 +1494,8 @@ void CClientShadowMgr::InitDepthTextureShadows()
 #else
 #if defined(MAPBASE) //&& !defined(ASW_PROJECTED_TEXTURES)
 			// SAUL: we want to create a *DEPTH TEXTURE* of specific size, so use RT_SIZE_NO_CHANGE and MATERIAL_RT_DEPTH_ONLY
-			depthTex.InitRenderTarget( m_nDepthTextureResolution, m_nDepthTextureResolution, RT_SIZE_NO_CHANGE, dstFormat, MATERIAL_RT_DEPTH_ONLY, false, strRTName );
+			// However, MATERIAL_RT_DEPTH_ONLY forces point filtering to be enabled which negatively affect PCF, so the standard MATERIAL_RT_DEPTH_NONE works better.
+			depthTex.InitRenderTarget( m_nDepthTextureResolution, m_nDepthTextureResolution, RT_SIZE_NO_CHANGE, dstFormat, MATERIAL_RT_DEPTH_NONE, false, strRTName );
 #else
 			depthTex.InitRenderTarget( m_nDepthTextureResolution, m_nDepthTextureResolution, RT_SIZE_OFFSCREEN, dstFormat, MATERIAL_RT_DEPTH_NONE, false, strRTName );
 #endif