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SWITCH: prevent fb overflow in case of external resolution change

This commit is contained in:
cpasjuste 2018-03-19 15:50:08 +01:00 committed by Dave Murphy
parent daf09af4dd
commit fd0204cc42
1 changed files with 12 additions and 2 deletions
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14
src/video/switch/SDL_switchvideo.c
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@ -184,9 +184,19 @@ static int SWITCH_UpdateWindowFramebuffer(_THIS, SDL_Window *window, const SDL_R
{
SWITCH_WindowData *data = (SWITCH_WindowData *) SDL_GetWindowData(window, SWITCH_DATA);
u32 *src = (u32 *) data->surface->pixels;
u32 *dst = (u32 *) gfxGetFramebuffer(NULL, NULL);
u32 fb_w, fb_h;
int x, y, w = window->w, h = window->h;
u32 *src = (u32 *) data->surface->pixels;
u32 *dst = (u32 *) gfxGetFramebuffer(&fb_w, &fb_h);
// prevent framebuffer overflow in case of resolution change outside SDL,
// which should not happen
if(window->x + w > fb_w) {
w = fb_w - window->x;
}
if(window->y + h > fb_h) {
h = fb_h - window->y;
}
for (y = 0; y < h; y++) {
for (x = 0; x < w; x += 4) {