Fix compilation errors with different flags.

Also fix renderer selection in build without OpenGL.

1 files changed, 7 insertions, 5 deletions

diff --git a/src/resources/imagehelper.h b/src/resources/imagehelper.h
index b37d1e279..ed8f89323 100644
--- a/src/resources/imagehelper.h
+++ b/src/resources/imagehelper.h
@@ -72,8 +72,6 @@ class ImageHelper
         virtual Image *createTextSurface(SDL_Surface *const tmpImage,
                                          const int width, const int height,
                                          float alpha) const A_WARN_UNUSED = 0;
-
-        virtual RenderType useOpenGL() const A_WARN_UNUSED = 0;
 #else
         virtual Image *load(SDL_RWops *rw, Dye const &dye) const A_WARN_UNUSED
         { return nullptr; }
@@ -84,9 +82,6 @@ class ImageHelper
         virtual Image *createTextSurface(SDL_Surface *const tmpImage,
                                          const float alpha) const A_WARN_UNUSED
         { return nullptr; }
-
-        virtual RenderType useOpenGL() const A_WARN_UNUSED
-        { return RENDER_SOFTWARE; }
 #endif
 
         static SDL_Surface *convertTo32Bit(SDL_Surface *const tmpImage)
@@ -102,8 +97,15 @@ class ImageHelper
 
         static SDL_Surface *loadPng(SDL_RWops *const rw);
 
+        static void setOpenGlMode(const RenderType useOpenGL)
+        { mUseOpenGL = useOpenGL; }
+
+        virtual RenderType useOpenGL() const A_WARN_UNUSED
+        { return mUseOpenGL; }
+
     protected:
         static bool mEnableAlpha;
+        static RenderType mUseOpenGL;
 };
 
 extern ImageHelper *imageHelper;