GUI: Add getOSDFormat() and make OSD 32 bpp

2 files changed, 25 insertions, 5 deletions

diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
index 4a33890f42..85e39839cb 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp
@@ -883,13 +883,26 @@ bool SurfaceSdlGraphicsManager::loadGFXMode() {
 	_osdSurface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA,
 						_hwscreen->w,
 						_hwscreen->h,
-						16,
-						_hwscreen->format->Rmask,
-						_hwscreen->format->Gmask,
-						_hwscreen->format->Bmask,
-						_hwscreen->format->Amask);
+						32,
+						0xFF000000,
+						0x00FF0000,
+						0x0000FF00,
+						0x000000FF
+	);
 	if (_osdSurface == NULL)
 		error("allocating _osdSurface failed");
+
+	_osdFormat.bytesPerPixel = _osdSurface->format->BytesPerPixel;
+
+	_osdFormat.rLoss = _osdSurface->format->Rloss;
+	_osdFormat.gLoss = _osdSurface->format->Gloss;
+	_osdFormat.bLoss = _osdSurface->format->Bloss;
+	_osdFormat.aLoss = _osdSurface->format->Aloss;
+
+	_osdFormat.rShift = _osdSurface->format->Rshift;
+	_osdFormat.gShift = _osdSurface->format->Gshift;
+	_osdFormat.bShift = _osdSurface->format->Bshift;
+	_osdFormat.aShift = _osdSurface->format->Ashift;
 	SDL_SetColorKey(_osdSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, kOSDColorKey);
 #endif
 
@@ -2277,6 +2290,10 @@ void SurfaceSdlGraphicsManager::clearOSD() {
 	// Ensure a full redraw takes place next time the screen is updated
 	_forceFull = true;
 }
+
+Graphics::PixelFormat SurfaceSdlGraphicsManager::getOSDFormat() {
+	return _osdFormat;
+}
 #endif
 
 bool SurfaceSdlGraphicsManager::handleScalerHotkeys(Common::KeyCode key) {
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.h b/backends/graphics/surfacesdl/surfacesdl-graphics.h
index 01974cf6ab..ff721ea6fc 100644
--- a/backends/graphics/surfacesdl/surfacesdl-graphics.h
+++ b/backends/graphics/surfacesdl/surfacesdl-graphics.h
@@ -147,6 +147,7 @@ public:
 	virtual void displayMessageOnOSD(const char *msg);
 	virtual void copyRectToOSD(const void *buf, int pitch, int x, int y, int w, int h);
 	virtual void clearOSD();
+	virtual Graphics::PixelFormat getOSDFormat();	
 #endif
 
 	// Override from Common::EventObserver
@@ -175,6 +176,8 @@ protected:
 		kOSDColorKey = 1,				/** < Transparent color key */
 		kOSDInitialAlpha = 80			/** < Initial alpha level, in percent */
 	};
+	/** OSD pixel format */
+	Graphics::PixelFormat _osdFormat;
 #endif
 
 	/** Hardware screen */