More 3D Work

-=-=-=-=-=-

-ESM Shadow Mapping for softer and less glitchy shadows
-HDR Pipeline (convert to Linear on texture import, convert to SRGB at the end)
-Fix to xml parse bug

servers/visual_server.h

@@ -481,6 +481,8 @@ public:
 		LIGHT_PARAM_SHADOW_DARKENING,
 		LIGHT_PARAM_SHADOW_Z_OFFSET,
 		LIGHT_PARAM_SHADOW_Z_SLOPE_SCALE,
+		LIGHT_PARAM_SHADOW_ESM_MULTIPLIER,
+		LIGHT_PARAM_SHADOW_BLUR_PASSES,
 		LIGHT_PARAM_MAX
 	};
 
@@ -728,7 +730,7 @@ public:
 		ENV_FX_HDR,
 		ENV_FX_FOG,
 		ENV_FX_BCS,
-		ENV_FX_GAMMA,
+		ENV_FX_SRGB,
 		ENV_FX_MAX
 	};
 
@@ -768,7 +770,6 @@ public:
 		ENV_FX_PARAM_BCS_BRIGHTNESS,
 		ENV_FX_PARAM_BCS_CONTRAST,
 		ENV_FX_PARAM_BCS_SATURATION,
-		ENV_FX_PARAM_GAMMA,
 		ENV_FX_PARAM_MAX
 	};