GPUBackend: Add new GPUBackend object to manage GL object allocations

This just set a global object responsible for allocating new objects
in a thread safe way without needing any GPUContext bound to this
thread.

This also introduce the GLContext which will contain all the GL related
functions for the current context.

# Conflicts:
#	source/blender/gpu/intern/gpu_context.cc

1 files changed, 3 insertions, 0 deletions

diff --git a/source/blender/windowmanager/intern/wm_init_exit.c b/source/blender/windowmanager/intern/wm_init_exit.c
index 85694dec9c8..03e84f098c0 100644
--- a/source/blender/windowmanager/intern/wm_init_exit.c
+++ b/source/blender/windowmanager/intern/wm_init_exit.c
@@ -121,6 +121,7 @@
 #include "UI_interface.h"
 #include "UI_resources.h"
 
+#include "GPU_context.h"
 #include "GPU_init_exit.h"
 #include "GPU_material.h"
 
@@ -634,6 +635,8 @@ void WM_exit_ex(bContext *C, const bool do_python)
 
   RNA_exit(); /* should be after BPY_python_end so struct python slots are cleared */
 
+  GPU_backend_exit();
+
   wm_ghost_exit();
 
   CTX_free(C);