Renamed cgl_platform.mm -> cgl_platform_helpers.mm

Support for Xcode project generation.
Distinguish object file between .cpp & .mm versions.
Xcode project build did not work when had the same source file with .cpp and .mm extensions ie. cgl_platform.cpp & cgl_platform.mm
The makefile generator explicitly distinguishes the targets ie. cgl_platform.cpp.o & cgl_platform.mm.o

renderdoc/driver/gl/CMakeLists.txt

@@ -54,7 +54,7 @@ list(APPEND sources gl_hooks.cpp)
 if(APPLE)
     list(APPEND sources
         cgl_dispatch_table.h
-        cgl_platform.mm
+        cgl_platform_helpers.mm
         cgl_platform.cpp
         cgl_hooks.cpp)
 else()

renderdoc/driver/gl/cgl_platform.cpp

@@ -29,7 +29,7 @@
 
 #include "apple_gl_hook_defs.h"
 
-// helpers defined in cgl_platform.mm
+// helpers defined in cgl_platform_helpers.mm
 void Apple_getWindowSize(void *view, int &width, int &height);
 void Apple_stopTrackingWindowSize(void *view);
 void NSGL_init();

renderdoc/driver/gl/renderdoc_gl.vcxproj

@@ -198,7 +198,7 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="cgl_platform.mm" />
+    <None Include="cgl_platform_helpers.mm" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

renderdoc/driver/gl/renderdoc_gl.vcxproj.filters

@@ -262,7 +262,7 @@
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <None Include="cgl_platform.mm">
+    <None Include="cgl_platform_helpers.mm">
       <Filter>Platform Interfaces\Apple</Filter>
     </None>
   </ItemGroup>