GPU: Move gpu_platform.c to C++

source/blender/gpu/CMakeLists.txt

@@ -70,7 +70,7 @@ set(SRC
   intern/gpu_material_library.c
   intern/gpu_matrix.c
   intern/gpu_node_graph.c
-  intern/gpu_platform.c
+  intern/gpu_platform.cc
   intern/gpu_primitive.c
   intern/gpu_select.c
   intern/gpu_select_pick.c

source/blender/gpu/GPU_platform.h

@@ -25,6 +25,7 @@
 #define __GPU_PLATFORM_H__
 
 #include "BLI_sys_types.h"
+#include "BLI_utildefines.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -43,6 +44,8 @@ typedef enum eGPUDeviceType {
   GPU_DEVICE_ANY = (0xff),
 } eGPUDeviceType;
 
+ENUM_OPERATORS(eGPUDeviceType)
+
 typedef enum eGPUOSType {
   GPU_OS_WIN = (1 << 8),
   GPU_OS_MAC = (1 << 9),