diff options
Diffstat (limited to 'backends/graphics/surfacesdl/surfacesdl-graphics.cpp')
| -rw-r--r-- | backends/graphics/surfacesdl/surfacesdl-graphics.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp index 262ea84096..90f9f7e1a1 100644 --- a/backends/graphics/surfacesdl/surfacesdl-graphics.cpp +++ b/backends/graphics/surfacesdl/surfacesdl-graphics.cpp @@ -2293,6 +2293,11 @@ void SurfaceSdlGraphicsManager::displayMessageOnOSD(const char *msg) { // Init the OSD display parameters, and the fade out _osdMessageAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; _osdMessageFadeStartTime = SDL_GetTicks() + kOSDFadeOutDelay; + // Enable alpha blending + SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCALPHA, _osdMessageAlpha); + + // Ensure a full redraw takes place next time the screen is updated + _forceRedraw = true; } SDL_Rect SurfaceSdlGraphicsManager::getOSDMessageRect() const { @@ -2381,7 +2386,7 @@ void SurfaceSdlGraphicsManager::updateOSD() { const int startAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; _osdMessageAlpha = startAlpha + diff * (SDL_ALPHA_TRANSPARENT - startAlpha) / kOSDFadeOutDuration; } - SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, _osdMessageAlpha); + SDL_SetAlpha(_osdMessageSurface, SDL_RLEACCEL | SDL_SRCALPHA, _osdMessageAlpha); _forceRedraw = true; } |