Fixed bug #1100

Test the video features with #if instead of #ifdef

include/SDL_config_macosx.h

@@ -148,13 +148,23 @@
 #define SDL_VIDEO_DRIVER_X11_XV 1
 #define SDL_VIDEO_DRIVER_X11_XSHAPE 1
 
+#ifndef SDL_VIDEO_RENDER_OGL
 #define SDL_VIDEO_RENDER_OGL	1
+#endif
+#ifndef SDL_VIDEO_RENDER_X11
 #define SDL_VIDEO_RENDER_X11	1
+#endif
 
 /* Enable OpenGL support */
+#ifndef SDL_VIDEO_OPENGL
 #define SDL_VIDEO_OPENGL	1
+#endif
+#ifndef SDL_VIDEO_OPENGL_CGL
 #define SDL_VIDEO_OPENGL_CGL	1
+#endif
+#ifndef SDL_VIDEO_OPENGL_GLX
 #define SDL_VIDEO_OPENGL_GLX	1
+#endif
 
 /* Enable system power support */
 #define SDL_POWER_MACOSX 1

include/SDL_config_windows.h

@@ -179,18 +179,30 @@ typedef unsigned int uintptr_t;
 #define SDL_VIDEO_DRIVER_WINDOWS	1
 
 #ifdef _WIN32_WCE
+#ifndef SDL_VIDEO_RENDER_GAPI
 #define SDL_VIDEO_RENDER_GAPI	1
+#endif
 #else
+#ifndef SDL_VIDEO_RENDER_D3D
 #define SDL_VIDEO_RENDER_D3D	1
 #endif
+#endif
+#ifndef SDL_VIDEO_RENDER_GDI
 #define SDL_VIDEO_RENDER_GDI	1
+#endif
 
 /* Enable OpenGL support */
 #ifndef _WIN32_WCE
+#ifndef SDL_VIDEO_OPENGL
 #define SDL_VIDEO_OPENGL	1
+#endif
+#ifndef SDL_VIDEO_OPENGL_WGL
 #define SDL_VIDEO_OPENGL_WGL	1
+#endif
+#ifndef SDL_VIDEO_RENDER_OGL
 #define SDL_VIDEO_RENDER_OGL	1
 #endif
+#endif
 
 /* Enable system power support */
 #define SDL_POWER_WINDOWS 1

src/video/cocoa/SDL_cocoavideo.m

@@ -98,7 +98,7 @@ Cocoa_CreateDevice(int devindex)
     device->shape_driver.SetWindowShape = Cocoa_SetWindowShape;
     device->shape_driver.ResizeWindowShape = Cocoa_ResizeWindowShape;
     
-#ifdef SDL_VIDEO_OPENGL_CGL
+#if SDL_VIDEO_OPENGL_CGL
     device->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
     device->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
     device->GL_UnloadLibrary = Cocoa_GL_UnloadLibrary;

src/video/windows/SDL_windowsvideo.c

@@ -197,7 +197,7 @@ WIN_CreateDevice(int devindex)
     device->shape_driver.SetWindowShape = Win32_SetWindowShape;
     device->shape_driver.ResizeWindowShape = Win32_ResizeWindowShape;
     
-#ifdef SDL_VIDEO_OPENGL_WGL
+#if SDL_VIDEO_OPENGL_WGL
     device->GL_LoadLibrary = WIN_GL_LoadLibrary;
     device->GL_GetProcAddress = WIN_GL_GetProcAddress;
     device->GL_UnloadLibrary = WIN_GL_UnloadLibrary;

src/video/windows/SDL_windowswindow.c

@@ -243,7 +243,7 @@ WIN_CreateWindow(_THIS, SDL_Window * window)
         DestroyWindow(hwnd);
         return -1;
     }
-#ifdef SDL_VIDEO_OPENGL_WGL
+#if SDL_VIDEO_OPENGL_WGL
     if (window->flags & SDL_WINDOW_OPENGL) {
         if (WIN_GL_SetupWindow(_this, window) < 0) {
             WIN_DestroyWindow(_this, window);

src/video/x11/SDL_x11video.c

@@ -209,7 +209,7 @@ X11_CreateDevice(int devindex)
     device->shape_driver.CreateShaper = X11_CreateShaper;
     device->shape_driver.SetWindowShape = X11_SetWindowShape;
     device->shape_driver.ResizeWindowShape = X11_ResizeWindowShape;
-#ifdef SDL_VIDEO_OPENGL_GLX
+#if SDL_VIDEO_OPENGL_GLX
     device->GL_LoadLibrary = X11_GL_LoadLibrary;
     device->GL_GetProcAddress = X11_GL_GetProcAddress;
     device->GL_UnloadLibrary = X11_GL_UnloadLibrary;

src/video/x11/SDL_x11window.c

@@ -288,7 +288,7 @@ X11_CreateWindow(_THIS, SDL_Window * window)
     }
 */
 #endif
-#ifdef SDL_VIDEO_OPENGL_GLX
+#if SDL_VIDEO_OPENGL_GLX
     if (window->flags & SDL_WINDOW_OPENGL) {
         XVisualInfo *vinfo;