shithub: choc

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Fix possible crash with software renderer

https://github.com/bradharding/doomretro/commit/7dbbd2ccd293f3a2a1df7a03971f8dd24d0d2a5d

--- a/src/i_video.c

+++ b/src/i_video.c

@@ -1107,9 +1107,11 @@

     // Update the texture with the content of the 32-bit RGBA buffer

-    SDL_LockTexture(texture, NULL, &pixels, &pitch);

-    memcpy(pixels, rgbabuffer->pixels, SCREENHEIGHT*pitch);

-    SDL_UnlockTexture(texture);

+    if (!SDL_LockTexture(texture, NULL, &pixels, &pitch))

+    {

+	memcpy(pixels, rgbabuffer->pixels, SCREENHEIGHT*pitch);

+	SDL_UnlockTexture(texture);

+    }

     // Render the texture into the window