src/video/null_v.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

/* $Id$ */

#include "../stdafx.h"
#include "../openttd.h"
#include "../gfx.h"
#include "../variables.h"
#include "../window.h"
#include "null_v.h"

static void* _null_video_mem = NULL;

static const char* NullVideoStart(const char* const* parm)
{
	_screen.width = _screen.pitch = _cur_resolution[0];
	_screen.height = _cur_resolution[1];
	_null_video_mem = malloc(_cur_resolution[0] * _cur_resolution[1]);
	return NULL;
}

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

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

static void NullVideoMainLoop(void)
{
	uint i;

	for (i = 0; i < 1000; i++) {
		GameLoop();
		_screen.dst_ptr = _null_video_mem;
		UpdateWindows();
	}
}

static bool NullVideoChangeRes(int w, int h) { return false; }
static void NullVideoFullScreen(bool fs) {}

const HalVideoDriver _null_video_driver = {
	NullVideoStart,
	NullVideoStop,
	NullVideoMakeDirty,
	NullVideoMainLoop,
	NullVideoChangeRes,
	NullVideoFullScreen,
};