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Allocate to the size of source surface instead

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Otherwise it will slow down since the destination surface is usually
pretty big.
This commit is contained in:
Misa 2023-01-05 12:23:34 -08:00
parent 2e03f2b03d
commit f35618999f
1 changed files with 4 additions and 3 deletions
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7
desktop_version/src/GraphicsUtil.cpp
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@ -221,7 +221,7 @@ static void BlitSurfaceTransform(
} }
/* FIXME: Find a way to do this without allocating... */ /* FIXME: Find a way to do this without allocating... */
SDL_Surface* tempsurface = RecreateSurface(dest); SDL_Surface* tempsurface = RecreateSurfaceWithDimensions(src, orig_rect.w, orig_rect.h);
if (tempsurface == NULL) if (tempsurface == NULL)
{ {
return; return;
@ -245,11 +245,12 @@ static void BlitSurfaceTransform(
} }
const SDL_Color result = transform(pixel, color); const SDL_Color result = transform(pixel, color);
DrawPixel(tempsurface, blit_x + x, blit_y + y, result); DrawPixel(tempsurface, x, y, result);
} }
} }
SDL_BlitSurface(tempsurface, NULL, dest, NULL); SDL_Rect final_rect = {blit_x, blit_y, 0, 0};
SDL_BlitSurface(tempsurface, NULL, dest, &final_rect);
VVV_freefunc(SDL_FreeSurface, tempsurface); VVV_freefunc(SDL_FreeSurface, tempsurface);
} }