thirdparty/scummvm
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there used to be a black border at the top/left side with the 1x scaler: fixed!

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svn-id: r8065
This commit is contained in:
Max Horn 2003-05-28 21:57:22 +00:00
parent 78ef0ea5b5
commit 6a8bd23d02
1 changed files with 18 additions and 17 deletions
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35
backends/sdl/sdl.cpp
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@ -275,33 +275,34 @@ void OSystem_SDL::update_screen() {
if (_num_dirty_rects > 0) {
SDL_Rect *r;
SDL_Rect dst;
uint32 srcPitch, dstPitch;
SDL_Rect *last_rect = _dirty_rect_list + _num_dirty_rects;
// Convert appropriate parts of the 8bpp image into 16bpp
SDL_Rect dst;
if (!_overlayVisible) {
if (_scaler_proc == Normal1x) {
SDL_Surface *target = _overlayVisible ? _tmpscreen : _screen;
for(r = _dirty_rect_list; r != last_rect; ++r) {
dst = *r;
dst.x++; // Shift rect by one since 2xSai needs to acces the data around
dst.y++; // any pixel to scale it, and we want to avoid mem access crashes.
if (_scaler_proc == Normal1x) {
if (SDL_BlitSurface(_screen, r, _hwscreen, &dst) != 0)
error("SDL_BlitSurface failed: %s", SDL_GetError());
} else {
if (_overlayVisible) {
// FIXME: I don't understand why this is necessary...
dst.x--;
dst.y--;
}
if (SDL_BlitSurface(target, r, _hwscreen, &dst) != 0)
error("SDL_BlitSurface failed: %s", SDL_GetError());
}
} else {
if (!_overlayVisible) {
for(r = _dirty_rect_list; r != last_rect; ++r) {
dst = *r;
dst.x++; // Shift rect by one since 2xSai needs to acces the data around
dst.y++; // any pixel to scale it, and we want to avoid mem access crashes.
if (SDL_BlitSurface(_screen, r, _tmpscreen, &dst) != 0)
error("SDL_BlitSurface failed: %s", SDL_GetError());
}
}
} else if (_scaler_proc == Normal1x) {
for(r = _dirty_rect_list; r != last_rect; ++r) {
dst = *r;
if (SDL_BlitSurface(_tmpscreen, r, _hwscreen, &dst) != 0)
error("SDL_BlitSurface failed: %s", SDL_GetError());
}
}
if (_scaler_proc != Normal1x) {
SDL_LockSurface(_tmpscreen);
SDL_LockSurface(_hwscreen);