1 #include "stdafx.h"

     2 #include "openttd.h"

     3 #include "gfx.h"

     4 #include "variables.h"

     5 #include "video/null.h"

     6 #include "window.h"

     7 

     8 static void* _null_video_mem = NULL;

     9 

    10 static const char* NullVideoStart(const char* const* parm)

    11 {

    12 	_screen.width = _screen.pitch = _cur_resolution[0];

    13 	_screen.height = _cur_resolution[1];

    14 	_null_video_mem = malloc(_cur_resolution[0] * _cur_resolution[1]);

    15 	return NULL;

    16 }

    17 

    18 static void NullVideoStop(void) { free(_null_video_mem); }

    19 

    20 static void NullVideoMakeDirty(int left, int top, int width, int height) {}

    21 

    22 static int NullVideoMainLoop(void)

    23 {

    24 	uint i;

    25 

    26 	for (i = 0; i < 1000; i++) {

    27 		GameLoop();

    28 		_screen.dst_ptr = _null_video_mem;

    29 		UpdateWindows();

    30 	}

    31 

    32 	return ML_QUIT;

    33 }

    34 

    35 static bool NullVideoChangeRes(int w, int h) { return false; }

    36 static void NullVideoFullScreen(bool fs) {}

    37 

    38 const HalVideoDriver _null_video_driver = {

    39 	NullVideoStart,

    40 	NullVideoStop,

    41 	NullVideoMakeDirty,

    42 	NullVideoMainLoop,

    43 	NullVideoChangeRes,

    44 	NullVideoFullScreen,

    45 };