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Fix for transparency in splash images

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Tony 2021-01-21 18:56:58 -05:00
parent be3b5ec3aa
commit ed4a6ffafc
1 changed files with 19 additions and 2 deletions
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21
Engine/source/windowManager/sdl/sdlSplashScreen.cpp
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@ -81,13 +81,30 @@ bool Platform::displaySplashWindow( String path )
} }
gSplashImage = SDL_CreateRGBSurfaceFrom(img->getAddress(0, 0), img->getWidth(), img->getHeight(), depth, pitch, rmask, gmask, bmask, amask); gSplashImage = SDL_CreateRGBSurfaceFrom(img->getAddress(0, 0), img->getWidth(), img->getHeight(), depth, pitch, rmask, gmask, bmask, amask);
gSplashImage = SDL_ConvertSurfaceFormat(gSplashImage, SDL_PIXELFORMAT_RGBA8888, NULL);
} }
//now the pop-up window //now the pop-up window
if (gSplashImage) if (gSplashImage)
{ {
gSplashWindow = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, gSplashWindow = SDL_CreateShapedWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
gSplashImage->w, gSplashImage->h, SDL_WINDOW_BORDERLESS | SDL_WINDOW_SHOWN); gSplashImage->w, gSplashImage->h, SDL_WINDOW_BORDERLESS);
SDL_WindowShapeMode mode;
SDL_Color black = { 0,0,0,0xff };
SDL_PixelFormat* format = gSplashImage->format;
if (SDL_ISPIXELFORMAT_ALPHA(format->format))
{
mode.mode = ShapeModeBinarizeAlpha;
mode.parameters.binarizationCutoff = 255;
}
else
{
mode.mode = ShapeModeColorKey;
mode.parameters.colorKey = black;
}
SDL_SetWindowShape(gSplashWindow, gSplashImage, &mode);
gSplashRenderer = SDL_CreateRenderer(gSplashWindow, -1, SDL_RENDERER_ACCELERATED); gSplashRenderer = SDL_CreateRenderer(gSplashWindow, -1, SDL_RENDERER_ACCELERATED);