OrdinaryMagician/vkdoom_m
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Put all non-Windows source code into posix directory and its subdirectories

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alexey.lysiuk 2014-12-18 11:52:29 +02:00
commit 1433bf3f78
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src/sdl/hardware.cpp
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@ -1,330 +0,0 @@
/*
** hardware.cpp
** Somewhat OS-independant interface to the screen, mouse, keyboard, and stick
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include <SDL.h>
#include <signal.h>
#include <time.h>
#include "hardware.h"
#include "i_video.h"
#include "i_system.h"
#include "c_console.h"
#include "c_cvars.h"
#include "c_dispatch.h"
#include "sdlvideo.h"
#include "v_text.h"
#include "doomstat.h"
#include "m_argv.h"
#include "r_renderer.h"
#include "r_swrenderer.h"
EXTERN_CVAR (Bool, ticker)
EXTERN_CVAR (Bool, fullscreen)
EXTERN_CVAR (Float, vid_winscale)
IVideo *Video;
void I_ShutdownGraphics ()
{
if (screen)
{
DFrameBuffer *s = screen;
screen = NULL;
s->ObjectFlags |= OF_YesReallyDelete;
delete s;
}
if (Video)
delete Video, Video = NULL;
}
void I_InitGraphics ()
{
UCVarValue val;
val.Bool = !!Args->CheckParm ("-devparm");
ticker.SetGenericRepDefault (val, CVAR_Bool);
Video = new SDLVideo (0);
if (Video == NULL)
I_FatalError ("Failed to initialize display");
atterm (I_ShutdownGraphics);
Video->SetWindowedScale (vid_winscale);
}
static void I_DeleteRenderer()
{
if (Renderer != NULL) delete Renderer;
}
void I_CreateRenderer()
{
if (Renderer == NULL)
{
Renderer = new FSoftwareRenderer;
atterm(I_DeleteRenderer);
}
}
/** Remaining code is common to Win32 and Linux **/
// VIDEO WRAPPERS ---------------------------------------------------------
DFrameBuffer *I_SetMode (int &width, int &height, DFrameBuffer *old)
{
bool fs = false;
switch (Video->GetDisplayType ())
{
case DISPLAY_WindowOnly:
fs = false;
break;
case DISPLAY_FullscreenOnly:
fs = true;
break;
case DISPLAY_Both:
fs = fullscreen;
break;
}
DFrameBuffer *res = Video->CreateFrameBuffer (width, height, fs, old);
/* Right now, CreateFrameBuffer cannot return NULL
if (res == NULL)
{
I_FatalError ("Mode %dx%d is unavailable\n", width, height);
}
*/
return res;
}
bool I_CheckResolution (int width, int height, int bits)
{
int twidth, theight;
Video->StartModeIterator (bits, screen ? screen->IsFullscreen() : fullscreen);
while (Video->NextMode (&twidth, &theight, NULL))
{
if (width == twidth && height == theight)
return true;
}
return false;
}
void I_ClosestResolution (int *width, int *height, int bits)
{
int twidth, theight;
int cwidth = 0, cheight = 0;
int iteration;
DWORD closest = 4294967295u;
for (iteration = 0; iteration < 2; iteration++)
{
Video->StartModeIterator (bits, screen ? screen->IsFullscreen() : fullscreen);
while (Video->NextMode (&twidth, &theight, NULL))
{
if (twidth == *width && theight == *height)
return;
if (iteration == 0 && (twidth < *width || theight < *height))
continue;
DWORD dist = (twidth - *width) * (twidth - *width)
+ (theight - *height) * (theight - *height);
if (dist < closest)
{
closest = dist;
cwidth = twidth;
cheight = theight;
}
}
if (closest != 4294967295u)
{
*width = cwidth;
*height = cheight;
return;
}
}
}
//==========================================================================
//
// SetFPSLimit
//
// Initializes an event timer to fire at a rate of <limit>/sec. The video
// update will wait for this timer to trigger before updating.
//
// Pass 0 as the limit for unlimited.
// Pass a negative value for the limit to use the value of vid_maxfps.
//
//==========================================================================
EXTERN_CVAR(Int, vid_maxfps);
EXTERN_CVAR(Bool, cl_capfps);
#ifndef __APPLE__
Semaphore FPSLimitSemaphore;
static void FPSLimitNotify(sigval val)
{
SEMAPHORE_SIGNAL(FPSLimitSemaphore)
}
void I_SetFPSLimit(int limit)
{
static sigevent FPSLimitEvent;
static timer_t FPSLimitTimer;
static bool FPSLimitTimerEnabled = false;
static bool EventSetup = false;
if(!EventSetup)
{
EventSetup = true;
FPSLimitEvent.sigev_notify = SIGEV_THREAD;
FPSLimitEvent.sigev_signo = 0;
FPSLimitEvent.sigev_value.sival_int = 0;
FPSLimitEvent.sigev_notify_function = FPSLimitNotify;
FPSLimitEvent.sigev_notify_attributes = NULL;
SEMAPHORE_INIT(FPSLimitSemaphore, 0, 0)
}
if (limit < 0)
{
limit = vid_maxfps;
}
// Kill any leftover timer.
if (FPSLimitTimerEnabled)
{
timer_delete(FPSLimitTimer);
FPSLimitTimerEnabled = false;
}
if (limit == 0)
{ // no limit
DPrintf("FPS timer disabled\n");
}
else
{
FPSLimitTimerEnabled = true;
if(timer_create(CLOCK_REALTIME, &FPSLimitEvent, &FPSLimitTimer) == -1)
Printf("Failed to create FPS limitter event\n");
itimerspec period = { {0, 0}, {0, 0} };
period.it_value.tv_nsec = period.it_interval.tv_nsec = 1000000000 / limit;
if(timer_settime(FPSLimitTimer, 0, &period, NULL) == -1)
Printf("Failed to set FPS limitter timer\n");
DPrintf("FPS timer set to %u ms\n", (unsigned int) period.it_interval.tv_nsec / 1000000);
}
}
#else
// So Apple doesn't support POSIX timers and I can't find a good substitute short of
// having Objective-C Cocoa events or something like that.
void I_SetFPSLimit(int limit)
{
}
#endif
CUSTOM_CVAR (Int, vid_maxfps, 200, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
if (vid_maxfps < TICRATE && vid_maxfps != 0)
{
vid_maxfps = TICRATE;
}
else if (vid_maxfps > 1000)
{
vid_maxfps = 1000;
}
else if (cl_capfps == 0)
{
I_SetFPSLimit(vid_maxfps);
}
}
extern int NewWidth, NewHeight, NewBits, DisplayBits;
CUSTOM_CVAR (Bool, fullscreen, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
{
NewWidth = screen->GetWidth();
NewHeight = screen->GetHeight();
NewBits = DisplayBits;
setmodeneeded = true;
}
CUSTOM_CVAR (Float, vid_winscale, 1.f, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
{
if (self < 1.f)
{
self = 1.f;
}
else if (Video)
{
Video->SetWindowedScale (self);
NewWidth = screen->GetWidth();
NewHeight = screen->GetHeight();
NewBits = DisplayBits;
setmodeneeded = true;
}
}
CCMD (vid_listmodes)
{
static const char *ratios[5] = { "", " - 16:9", " - 16:10", "", " - 5:4" };
int width, height, bits;
bool letterbox;
if (Video == NULL)
{
return;
}
for (bits = 1; bits <= 32; bits++)
{
Video->StartModeIterator (bits, screen->IsFullscreen());
while (Video->NextMode (&width, &height, &letterbox))
{
bool thisMode = (width == DisplayWidth && height == DisplayHeight && bits == DisplayBits);
int ratio = CheckRatio (width, height);
Printf (thisMode ? PRINT_BOLD : PRINT_HIGH,
"%s%4d x%5d x%3d%s%s\n",
thisMode || !(ratio & 3) ? "" : TEXTCOLOR_GOLD,
width, height, bits,
ratios[ratio],
thisMode || !letterbox ? "" : TEXTCOLOR_BROWN " LB"
);
}
}
}
CCMD (vid_currentmode)
{
Printf ("%dx%dx%d\n", DisplayWidth, DisplayHeight, DisplayBits);
}