commit 9f79760557890b8cca02e4da4ca5f9764c3a4c45
author Sylvain Becker <sylvain.becker@gmail.com> Sat Dec 15 16:21:24 2018 +0100
committer Sylvain Becker <sylvain.becker@gmail.com> Sat Dec 15 16:21:24 2018 +0100
tree 8e8ea7624e388d2d93714a6553293a714eae47a8
parent c6eb3798e87f2d7cbb575f531991f462e169af32

Fixed bug 4426 - allows re-creation of software renderer

Switching between renderers "software -> opengl -> opengles2 -> software" fails.

"opengl -> opengles2" calls SDL_RecreateWindow() and frees "window->surface"
without marking it as "surface_invalid".

src/video/SDL_video.c

diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c
index 7d9bb1d..3d68dfd 100644
--- a/src/video/SDL_video.c
+++ b/src/video/SDL_video.c
@@ -1636,6 +1636,7 @@
         window->surface->flags &= ~SDL_DONTFREE;
         SDL_FreeSurface(window->surface);
         window->surface = NULL;
+        window->surface_valid = SDL_FALSE;
     }
     if (_this->DestroyWindowFramebuffer) {
         _this->DestroyWindowFramebuffer(_this, window);