Fixed OpenVR build

src/video/openvr/SDL_openvrvideo.c

@@ -34,13 +34,21 @@
 #include "../SDL_egl_c.h"
 #include "SDL_openvrvideo.h"
 
+#ifdef SDL_VIDEO_DRIVER_WINDOWS
+// Currently only OpenGL, not EGL, is supported on Windows
 #include <SDL3/SDL_opengl.h>
+#else
+// Currently only EGL, not OpenGL, is supported on other platforms
+#include <SDL3/SDL_opengles2.h>
+#include <SDL3/SDL_opengles2_gl2.h>
+#endif
 
 #ifdef SDL_VIDEO_DRIVER_WINDOWS
-#include "../windows/SDL_windowsopengles.h"
 #include "../windows/SDL_windowsopengl.h"
 #include "../windows/SDL_windowsvulkan.h"
+
 #define DEFAULT_OPENGL "OPENGL32.DLL"
+
 static bool OPENVR_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path);
 static SDL_GLContext OPENVR_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
 
@@ -48,10 +56,9 @@ struct SDL_GLContextState
 {
     HGLRC hglrc;
 };
+#endif // SDL_VIDEO_DRIVER_WINDOWS
+
 
-#else
-#include <SDL3/SDL_opengles2_gl2.h>
-#endif
 
 #ifdef SDL_PLATFORM_WINDOWS
 #define SDL_OPENVR_DRIVER_DYNAMIC "openvr_api.dll"
@@ -1626,16 +1633,8 @@ static SDL_VideoDevice *OPENVR_CreateDevice(void)
     device->GL_GetSwapInterval = OPENVR_GL_GetSwapInterval;
     device->GL_SwapWindow = OPENVR_GL_SwapWindow;
     device->GL_DestroyContext = OPENVR_GL_DestroyContext;
-#elif SDL_VIDEO_OPENGL_EGL
-    device->GL_LoadLibrary = WIN_GLES_LoadLibrary;
-    device->GL_GetProcAddress = WIN_GLES_GetProcAddress;
-    device->GL_UnloadLibrary = WIN_GLES_UnloadLibrary;
-    device->GL_CreateContext = WIN_GLES_CreateContext;
-    device->GL_MakeCurrent = WIN_GLES_MakeCurrent;
-    device->GL_SetSwapInterval = WIN_GLES_SetSwapInterval;
-    device->GL_GetSwapInterval = WIN_GLES_GetSwapInterval;
-    device->GL_SwapWindow = WIN_GLES_SwapWindow;
-    device->GL_DestroyContext = WIN_GLES_DestroyContext;
+#else
+#error Needs more work to support EGL
 #endif
 #else
     device->GL_LoadLibrary = OVR_EGL_LoadLibrary;