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Display: removed old software blitting routines from scroll

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This commit is contained in:
Charles Dang 2018-03-08 17:06:49 +11:00
parent 11054e93f1
commit 079ec37909
1 changed files with 0 additions and 39 deletions
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39
src/display.cpp
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@ -1423,45 +1423,6 @@ bool display::scroll(int xmove, int ymove, bool force)
labels().recalculate_shroud();
if(!screen_.update_locked()) {
surface& screen(screen_.getSurface());
SDL_Rect srcrect = dstrect;
srcrect.x -= diff_x;
srcrect.y -= diff_y;
// This is a workaround for a SDL2 bug when blitting on overlapping surfaces. The bug
// only strikes during scrolling, but will then duplicate textures across the entire map.
//surface screen_copy = make_neutral_surface(screen);
//SDL_SetSurfaceBlendMode(screen_copy, SDL_BLENDMODE_NONE);
//SDL_BlitSurface(screen_copy, &srcrect, screen, &dstrect);
}
if(diff_y != 0) {
SDL_Rect r = map_area();
if(diff_y < 0) {
r.y = r.y + r.h + diff_y;
}
r.h = std::abs(diff_y);
invalidate_locations_in_rect(r);
}
if(diff_x != 0) {
SDL_Rect r = map_area();
if(diff_x < 0) {
r.x = r.x + r.w + diff_x;
}
r.w = std::abs(diff_x);
invalidate_locations_in_rect(r);
}
scroll_event_.notify_observers();
redrawMinimap_ = true;