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-rw-r--r--tests/sdl_free_screen.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/tests/sdl_free_screen.cpp b/tests/sdl_free_screen.cpp
new file mode 100644
index 00000000..01a849c5
--- /dev/null
+++ b/tests/sdl_free_screen.cpp
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+
+
+extern "C" int main(int argc, char** argv) {
+
+ SDL_Init(SDL_INIT_VIDEO);
+ SDL_Surface *screen = SDL_SetVideoMode(256, 256, 32, SDL_SWSURFACE);
+ printf("freeing screen...\n");
+ SDL_FreeSurface(screen);
+ printf("recreating...\n");
+ screen = SDL_SetVideoMode(256, 256, 32, SDL_SWSURFACE);
+ printf("seems ok!\n");
+
+ if (SDL_MUSTLOCK(screen)) SDL_LockSurface(screen);
+ for (int i = 0; i < 256; i++) {
+ for (int j = 0; j < 256; j++) {
+ // alpha component is actually ignored, since this is to the screen
+ *((Uint32*)screen->pixels + i * 256 + j) = SDL_MapRGBA(screen->format, i, j, 255-i, (i+j) % 255);
+ }
+ }
+ if (SDL_MUSTLOCK(screen)) SDL_UnlockSurface(screen);
+ SDL_Flip(screen);
+
+ SDL_Quit();
+
+ return 0;
+}
+