Derelict / SDL error

[ketmar via Digitalmars-d-learn]

On Mon, 08 Dec 2014 12:53:10 +0000
Paul via Digitalmars-d-learn <digitalmars-d-learn at puremagic.com> wrote:

> Sorry this is a bit off topic but as there doesn't seem to be an 
> active forum for Derelict atm....
> 
> This simple test code is giving me an error 'Error executing 
> command run: Program exited with code -11' (or a seg fault if 
> executed from a terminal). The problem line is:
> 
> SDL_RenderCopy(renderer, texture, &sourceRect, &destRect);
> 
> I've tried this call with the 'null' options as well as passing 
> the address of the rects but neither works (I've also tried 
> manually assigning the various struct components rather than 
> using the c style initialisation in case that was the problem).
> 
> Any ideas please?
> 
> import derelict.sdl2.sdl;
> import std.stdio;
> 
> void main()
> {
>      scope(exit) SDL_Quit();
> 
>      DerelictSDL2.load();
>      writeln( "SDL loaded ok");
> 
> 
>      //init sdl
> 	if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
> 		writeln("SDL_Init Error: ", SDL_GetError() );
> 		return;
> 	}
> 		
> 	//open a window
> 	SDL_Window *window = SDL_CreateWindow("Window Title!", 100, 100, 
> 640, 480, SDL_WINDOW_SHOWN);
> 	if (window == null){
> 		writeln("SDL_CreateWindow Error: ", SDL_GetError() );
> 		return;
> 	}	
> 		
> 	//get a renderer (ie buffer), use software renderer for now
> 	SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, 
> SDL_RENDERER_SOFTWARE);
> 	if (renderer == null){
> 		writeln( "SDL_CreateRenderer Error: " , SDL_GetError() );
> 		return;
> 	}
> 	
> 	//load a bitmap
> 	SDL_Surface *image = SDL_LoadBMP("./test.bmp");
> 	if (image == null){
> 		writeln( "SDL_LoadBMP error: " , SDL_GetError() );
> 		return;
> 	}	
> 	
> 	//create texture for bitmap
> 	SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, 
> image);
> 	if (texture == null){
> 		writeln( "CreateTextureFromSurface error: " , SDL_GetError() );
> 		return;
> 	}		
> 	
>      //copy to renderer at correct position & scale
>      SDL_Rect sourceRect = { 0, 0, 64, 64 };
>      SDL_Rect destRect = { 100, 100, 64, 64 };
>      SDL_RenderCopy(renderer, texture, &sourceRect, &destRect);	
> 		
> 	
>      //display and pause
>      SDL_RenderPresent(renderer);
>      SDL_Delay(2000);
> 	
> 		
> }
this exact code is working for me. i just copypasted it and gave it
test.bmp to work with.
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