Merge commit 'a905a7869f18332579ff06ba3f7f3777708a3007' into main

This commit is contained in:
Sam Lantinga 2022-10-23 16:35:01 -07:00
commit 26c9620a63
2 changed files with 6 additions and 2 deletions

View file

@ -77,8 +77,12 @@ SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitm
int bytes_per_scanline = (shape->w + (ppb - 1)) / ppb;
Uint8 *bitmap_scanline;
SDL_Color key;
if(SDL_MUSTLOCK(shape))
SDL_LockSurface(shape);
SDL_memset(bitmap, 0, shape->h * bytes_per_scanline);
for(y = 0;y<shape->h;y++) {
bitmap_scanline = bitmap + y * bytes_per_scanline;
for(x=0;x<shape->w;x++) {
@ -118,6 +122,7 @@ SDL_CalculateShapeBitmap(SDL_WindowShapeMode mode,SDL_Surface *shape,Uint8* bitm
bitmap_scanline[x / ppb] |= mask_value << (x % ppb);
}
}
if(SDL_MUSTLOCK(shape))
SDL_UnlockSurface(shape);
}

View file

@ -96,8 +96,7 @@ DirectFB_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowSh
SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc, &data->surface));
/* Assume that shaper->alphacutoff already has a value, because SDL_SetWindowShape() should have given it one. */
SDL_DFB_ALLOC_CLEAR(bitmap, shape->w * shape->h);
SDL_CalculateShapeBitmap(shaper->mode,shape,bitmap,1);
SDL_CalculateShapeBitmap(shaper->mode, shape, bitmap, 1);
src = bitmap;