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Fixed bug 3788 - software renderer crashes in SDL_RenderCopyEx with r…

…otation and dstrect w or h is 0

Anthony

This is what's making the software renderer crash with rotated destination rectangles of w or h = 0:

SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "2");
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slouken committed Sep 21, 2017
1 parent 8b660c5 commit 5ae90ef67a957307e857d9e819be72326d5aa464
Showing with 1 addition and 1 deletion.
  1. +1 −1 src/render/software/SDL_rotate.c
@@ -257,7 +257,7 @@ _transformSurfaceRGBA(SDL_Surface * src, SDL_Surface * dst, int cx, int cy, int
dy = (sdy >> 16);
if (flipx) dx = sw - dx;
if (flipy) dy = sh - dy;
if ((unsigned)dx < (unsigned)sw && (unsigned)dy < (unsigned)sh) {
if ((dx > -1) && (dy > -1) && (dx < (src->w-1)) && (dy < (src->h-1))) {
sp = (tColorRGBA *) ((Uint8 *) src->pixels + src->pitch * dy) + dx;
c00 = *sp;
sp += 1;

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