SDL: Calling SDL_CreateRenderer Segfaults [duplicate] - c++

Question

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SDL2 program only works if Renderer is created with SDL_RENDERER_SOFTWARE
(2 answers)
Closed 6 years ago.
When I use Software Rendering in my SDL2 project, everything works as expected.
e.g when the code for creating a SDL_Renderer looks like this:
this->renderer = SDL_CreateRenderer(this->window, -1, SDL_RENDERER_SOFTWARE);
When I use Hardware rendering, e.g when the code for creating a SDL_Renderer looks like this:
this->renderer = SDL_CreateRenderer(this->window, -1, SDL_RENDERER_ACCELERATED);
For some reason, calling SDL_UpdateWindowSurface results in a SEGFAULT. I call SDL_UpdateWindowSurface in a standard way:
// Update window surface
SDL_UpdateWindowSurface(window);
I know that the way my window is setup is correct, since running the program with a Software Rendering SDL_Renderer works just fine, and doesn't yield a SEGFAULT.
Does anybody have any idea what might be causing this? Has anybody experienced something like this before?

Answer 1

SDL_GetWindowSurace documentation says You may not combine this with 3D or the rendering API on this window.. Either generate surface and update window surface yourself (and forget about hardware acceleration) or use SDL_Renderer and never touch window surface (it doesn't even exist for accelerated backend).