more properly handling new haa semantics

[drnoksnes] / platform / sdlv.h

diff --git a/platform/sdlv.h b/platform/sdlv.h
index b713ea0..4258623 100644 (file)
--- a/platform/sdlv.h
+++ b/platform/sdlv.h
@@ -3,6 +3,51 @@
 
 #include <SDL.h>
 
+class Scaler
+{
+public:
+       Scaler() { };
+       virtual ~Scaler() { };
+
+       virtual const char * getName() const = 0;
+
+       virtual uint8* getDrawBuffer() const = 0;
+       virtual unsigned int getDrawBufferPitch() const = 0;
+       virtual void getRenderedGUIArea(unsigned short& x, unsigned short& y,
+                                                                       unsigned short& w, unsigned short& h)
+                                                                       const = 0;
+       virtual void getRatio(float& x, float& y) const = 0;
+
+       virtual void prepare() = 0;
+       virtual void finish() = 0;
+       virtual void pause() = 0;
+       virtual void resume() = 0;
+       virtual bool filter(const SDL_Event& event) = 0;
+};
+
+class ScalerFactory
+{
+public:
+       ScalerFactory() { };
+       virtual ~ScalerFactory() { };
+       virtual const char * getName() const = 0;
+       virtual bool canEnable(int bpp, int w, int h) const = 0;
+       virtual Scaler* instantiate(SDL_Surface* screen, int w, int h) const = 0;
+};
+
+const ScalerFactory* searchForScaler(int bpp, int w, int h);
+
+/** SDL screen */
 extern SDL_Surface* screen;
+/** The current scaler object */
+extern Scaler* scaler;
+
+bool videoEventFilter(const SDL_Event& event);
+
+#if CONF_EXIT_BUTTON
+void ExitBtnReset();
+bool ExitBtnRequiresDraw();
+void ExitBtnDraw(SDL_Surface* where);
+#endif
 
 #endif