shithub: cstory

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Lock SDL2 software renderer surface properly

--- a/src/Backends/Rendering/Window/Software/SDL2.cpp

+++ b/src/Backends/Rendering/Window/Software/SDL2.cpp

@@ -66,6 +66,9 @@

 unsigned char* WindowBackend_Software_LockFramebuffer(size_t *pitch)

 {

+	if (SDL_LockSurface(framebuffer_sdlsurface) < 0)

+		return NULL;

+

 	*pitch = framebuffer_sdlsurface->pitch;

 	return (unsigned char*)framebuffer_sdlsurface->pixels;

@@ -73,7 +76,7 @@

 void WindowBackend_Software_UnlockFramebuffer(void)

 {

-	// Nothing to do here

+	SDL_UnlockSurface(framebuffer_sdlsurface);

 }

 void WindowBackend_Software_Display(void)