Depsgraph: Remove legacy code from new depsgraph

Now we have no remaining WITH_LEGACY_DEPSGRAPH in the code.

source/blender/depsgraph/CMakeLists.txt

@@ -113,10 +113,6 @@ else()
 	endif()
 endif()
 
-if(WITH_LEGACY_DEPSGRAPH)
-	add_definitions(-DWITH_LEGACY_DEPSGRAPH)
-endif()
-
 if(WITH_BOOST)
 	list(APPEND INC_SYS
 		${BOOST_INCLUDE_DIR}

source/blender/depsgraph/intern/depsgraph_eval.cc

@@ -52,43 +52,9 @@ extern "C" {
 
 #include "intern/depsgraph.h"
 
-#ifdef WITH_LEGACY_DEPSGRAPH
-static bool use_legacy_depsgraph = true;
-#endif
-
 /* Unfinished and unused, and takes quite some pre-processing time. */
 #undef USE_EVAL_PRIORITY
 
-bool DEG_depsgraph_use_legacy(void)
-{
-#ifdef DISABLE_NEW_DEPSGRAPH
-	return true;
-#elif defined(WITH_LEGACY_DEPSGRAPH)
-	return use_legacy_depsgraph;
-#else
-	BLI_assert(!"Should not be used with new depsgraph");
-	return false;
-#endif
-}
-
-void DEG_depsgraph_switch_to_legacy(void)
-{
-#ifdef WITH_LEGACY_DEPSGRAPH
-	use_legacy_depsgraph = true;
-#else
-	BLI_assert(!"Should not be used with new depsgraph");
-#endif
-}
-
-void DEG_depsgraph_switch_to_new(void)
-{
-#ifdef WITH_LEGACY_DEPSGRAPH
-	use_legacy_depsgraph = false;
-#else
-	BLI_assert(!"Should not be used with new depsgraph");
-#endif
-}
-
 /* ****************** */
 /* Evaluation Context */
 

source/blender/depsgraph/util/deg_util_foreach.h

@@ -38,9 +38,7 @@
 #else
 #pragma message("No available foreach() implementation. Using stub instead, disabling new depsgraph")
 
-#ifndef WITH_LEGACY_DEPSGRAPH
-#  error "Unable to build new depsgraph and legacy one is disabled."
-#endif
+#error "Unable to build new depsgraph and legacy one is disabled."
 
 #define DISABLE_NEW_DEPSGRAPH
 

source/blender/depsgraph/util/deg_util_function.h

@@ -50,9 +50,7 @@ using boost::function;
 
 #pragma message("No available function binding implementation. Using stub instead, disabling new depsgraph")
 
-#ifndef WITH_LEGACY_DEPSGRAPH
-#  error "Unable to build new depsgraph and legacy one is disabled."
-#endif
+#error "Unable to build new depsgraph and legacy one is disabled."
 
 #define DISABLE_NEW_DEPSGRAPH