Moved cursor and timer implementations into separate files

This commit is contained in:
alexey.lysiuk 2014-08-03 12:33:29 +03:00
parent d6cc6ee452
commit fecd1b6401
4 changed files with 291 additions and 244 deletions

View File

@ -559,11 +559,13 @@ set( PLAT_SDL_SOURCES
sdl/crashcatcher.c
sdl/hardware.cpp
sdl/i_cd.cpp
sdl/i_cursor.cpp
sdl/i_input.cpp
sdl/i_joystick.cpp
sdl/i_main.cpp
sdl/i_movie.cpp
sdl/i_system.cpp
sdl/i_timer.cpp
sdl/sdlvideo.cpp
sdl/st_start.cpp )
set( PLAT_MAC_SOURCES

73
src/sdl/i_cursor.cpp Normal file
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@ -0,0 +1,73 @@
// Moved from sdl/i_system.cpp
#include <string.h>
#include <SDL.h>
#include "bitmap.h"
#include "v_palette.h"
#include "textures.h"
extern SDL_Surface *cursorSurface;
extern SDL_Rect cursorBlit;
bool I_SetCursor(FTexture *cursorpic)
{
if (cursorpic != NULL && cursorpic->UseType != FTexture::TEX_Null)
{
// Must be no larger than 32x32.
if (cursorpic->GetWidth() > 32 || cursorpic->GetHeight() > 32)
{
return false;
}
#ifdef USE_XCURSOR
if (UseXCursor)
{
if (FirstCursor == NULL)
{
FirstCursor = SDL_GetCursor();
}
X11Cursor = CreateColorCursor(cursorpic);
if (X11Cursor != NULL)
{
SDL_SetCursor(X11Cursor);
return true;
}
}
#endif
if (cursorSurface == NULL)
cursorSurface = SDL_CreateRGBSurface (0, 32, 32, 32, MAKEARGB(0,255,0,0), MAKEARGB(0,0,255,0), MAKEARGB(0,0,0,255), MAKEARGB(255,0,0,0));
SDL_ShowCursor(0);
SDL_LockSurface(cursorSurface);
BYTE buffer[32*32*4];
memset(buffer, 0, 32*32*4);
FBitmap bmp(buffer, 32*4, 32, 32);
cursorpic->CopyTrueColorPixels(&bmp, 0, 0);
memcpy(cursorSurface->pixels, bmp.GetPixels(), 32*32*4);
SDL_UnlockSurface(cursorSurface);
}
else
{
SDL_ShowCursor(1);
if (cursorSurface != NULL)
{
SDL_FreeSurface(cursorSurface);
cursorSurface = NULL;
}
#ifdef USE_XCURSOR
if (X11Cursor != NULL)
{
SDL_SetCursor(FirstCursor);
SDL_FreeCursor(X11Cursor);
X11Cursor = NULL;
}
#endif
}
return true;
}

View File

@ -122,190 +122,6 @@ void I_EndRead(void)
}
static DWORD TicStart;
static DWORD TicNext;
static DWORD BaseTime;
static int TicFrozen;
// Signal based timer.
static Semaphore timerWait;
static int tics;
static DWORD sig_start, sig_next;
void I_SelectTimer();
// [RH] Returns time in milliseconds
unsigned int I_MSTime (void)
{
unsigned int time = SDL_GetTicks ();
return time - BaseTime;
}
// Exactly the same thing, but based does no modification to the time.
unsigned int I_FPSTime()
{
return SDL_GetTicks();
}
//
// I_GetTime
// returns time in 1/35th second tics
//
int I_GetTimeSelect (bool saveMS)
{
I_SelectTimer();
return I_GetTime (saveMS);
}
int I_GetTimePolled (bool saveMS)
{
if (TicFrozen != 0)
{
return TicFrozen;
}
DWORD tm = SDL_GetTicks();
if (saveMS)
{
TicStart = tm;
TicNext = Scale((Scale (tm, TICRATE, 1000) + 1), 1000, TICRATE);
}
return Scale(tm - BaseTime, TICRATE, 1000);
}
int I_GetTimeSignaled (bool saveMS)
{
if (saveMS)
{
TicStart = sig_start;
TicNext = sig_next;
}
return tics;
}
int I_WaitForTicPolled (int prevtic)
{
int time;
assert (TicFrozen == 0);
while ((time = I_GetTimePolled(false)) <= prevtic)
;
return time;
}
int I_WaitForTicSignaled (int prevtic)
{
assert (TicFrozen == 0);
while(tics <= prevtic)
{
SEMAPHORE_WAIT(timerWait)
}
return tics;
}
void I_FreezeTimeSelect (bool frozen)
{
I_SelectTimer();
return I_FreezeTime (frozen);
}
void I_FreezeTimePolled (bool frozen)
{
if (frozen)
{
assert(TicFrozen == 0);
TicFrozen = I_GetTimePolled(false);
}
else
{
assert(TicFrozen != 0);
int froze = TicFrozen;
TicFrozen = 0;
int now = I_GetTimePolled(false);
BaseTime += (now - froze) * 1000 / TICRATE;
}
}
void I_FreezeTimeSignaled (bool frozen)
{
TicFrozen = frozen;
}
int I_WaitForTicSelect (int prevtic)
{
I_SelectTimer();
return I_WaitForTic (prevtic);
}
//
// I_HandleAlarm
// Should be called every time there is an alarm.
//
void I_HandleAlarm (int sig)
{
if(!TicFrozen)
tics++;
sig_start = SDL_GetTicks();
sig_next = Scale((Scale (sig_start, TICRATE, 1000) + 1), 1000, TICRATE);
SEMAPHORE_SIGNAL(timerWait)
}
//
// I_SelectTimer
// Sets up the timer function based on if we can use signals for efficent CPU
// usage.
//
void I_SelectTimer()
{
SEMAPHORE_INIT(timerWait, 0, 0)
#ifndef __sun
signal(SIGALRM, I_HandleAlarm);
#else
struct sigaction alrmaction;
sigaction(SIGALRM, NULL, &alrmaction);
alrmaction.sa_handler = I_HandleAlarm;
sigaction(SIGALRM, &alrmaction, NULL);
#endif
struct itimerval itv;
itv.it_interval.tv_sec = itv.it_value.tv_sec = 0;
itv.it_interval.tv_usec = itv.it_value.tv_usec = 1000000/TICRATE;
if (setitimer(ITIMER_REAL, &itv, NULL) != 0)
{
I_GetTime = I_GetTimePolled;
I_FreezeTime = I_FreezeTimePolled;
I_WaitForTic = I_WaitForTicPolled;
}
else
{
I_GetTime = I_GetTimeSignaled;
I_FreezeTime = I_FreezeTimeSignaled;
I_WaitForTic = I_WaitForTicSignaled;
}
}
// Returns the fractional amount of a tic passed since the most recent tic
fixed_t I_GetTimeFrac (uint32 *ms)
{
DWORD now = SDL_GetTicks ();
if (ms) *ms = TicNext;
DWORD step = TicNext - TicStart;
if (step == 0)
{
return FRACUNIT;
}
else
{
fixed_t frac = clamp<fixed_t> ((now - TicStart)*FRACUNIT/step, 0, FRACUNIT);
return frac;
}
}
void I_WaitVBL (int count)
{
// I_WaitVBL is never used to actually synchronize to the
@ -327,6 +143,9 @@ void SetLanguageIDs ()
LanguageIDs[3] = LanguageIDs[2] = LanguageIDs[1] = LanguageIDs[0] = lang;
}
void I_InitTimer ();
void I_ShutdownTimer ();
//
// I_Init
//
@ -335,11 +154,9 @@ void I_Init (void)
CheckCPUID (&CPU);
DumpCPUInfo (&CPU);
I_GetTime = I_GetTimeSelect;
I_WaitForTic = I_WaitForTicSelect;
I_FreezeTime = I_FreezeTimeSelect;
atterm (I_ShutdownSound);
I_InitSound ();
I_InitTimer ();
}
//
@ -355,6 +172,8 @@ void I_Quit (void)
G_CheckDemoStatus();
C_DeinitConsole();
I_ShutdownTimer();
}
@ -900,60 +719,3 @@ SDL_Cursor *CreateColorCursor(FTexture *cursorpic)
SDL_Surface *cursorSurface = NULL;
SDL_Rect cursorBlit = {0, 0, 32, 32};
bool I_SetCursor(FTexture *cursorpic)
{
if (cursorpic != NULL && cursorpic->UseType != FTexture::TEX_Null)
{
// Must be no larger than 32x32.
if (cursorpic->GetWidth() > 32 || cursorpic->GetHeight() > 32)
{
return false;
}
#ifdef USE_XCURSOR
if (UseXCursor)
{
if (FirstCursor == NULL)
{
FirstCursor = SDL_GetCursor();
}
X11Cursor = CreateColorCursor(cursorpic);
if (X11Cursor != NULL)
{
SDL_SetCursor(X11Cursor);
return true;
}
}
#endif
if (cursorSurface == NULL)
cursorSurface = SDL_CreateRGBSurface (0, 32, 32, 32, MAKEARGB(0,255,0,0), MAKEARGB(0,0,255,0), MAKEARGB(0,0,0,255), MAKEARGB(255,0,0,0));
SDL_ShowCursor(0);
SDL_LockSurface(cursorSurface);
BYTE buffer[32*32*4];
memset(buffer, 0, 32*32*4);
FBitmap bmp(buffer, 32*4, 32, 32);
cursorpic->CopyTrueColorPixels(&bmp, 0, 0);
memcpy(cursorSurface->pixels, bmp.GetPixels(), 32*32*4);
SDL_UnlockSurface(cursorSurface);
}
else
{
SDL_ShowCursor(1);
if (cursorSurface != NULL)
{
SDL_FreeSurface(cursorSurface);
cursorSurface = NULL;
}
#ifdef USE_XCURSOR
if (X11Cursor != NULL)
{
SDL_SetCursor(FirstCursor);
SDL_FreeCursor(X11Cursor);
X11Cursor = NULL;
}
#endif
}
return true;
}

210
src/sdl/i_timer.cpp Normal file
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@ -0,0 +1,210 @@
// Moved from sdl/i_system.cpp
#include <assert.h>
#include <sys/time.h>
#include <SDL.h>
#include "basictypes.h"
#include "basicinlines.h"
#include "hardware.h"
#include "i_system.h"
#include "templates.h"
static DWORD TicStart;
static DWORD TicNext;
static DWORD BaseTime;
static int TicFrozen;
// Signal based timer.
static Semaphore timerWait;
static int tics;
static DWORD sig_start, sig_next;
void I_SelectTimer();
// [RH] Returns time in milliseconds
unsigned int I_MSTime (void)
{
unsigned int time = SDL_GetTicks ();
return time - BaseTime;
}
// Exactly the same thing, but based does no modification to the time.
unsigned int I_FPSTime()
{
return SDL_GetTicks();
}
//
// I_GetTime
// returns time in 1/35th second tics
//
int I_GetTimeSelect (bool saveMS)
{
I_SelectTimer();
return I_GetTime (saveMS);
}
int I_GetTimePolled (bool saveMS)
{
if (TicFrozen != 0)
{
return TicFrozen;
}
DWORD tm = SDL_GetTicks();
if (saveMS)
{
TicStart = tm;
TicNext = Scale((Scale (tm, TICRATE, 1000) + 1), 1000, TICRATE);
}
return Scale(tm - BaseTime, TICRATE, 1000);
}
int I_GetTimeSignaled (bool saveMS)
{
if (saveMS)
{
TicStart = sig_start;
TicNext = sig_next;
}
return tics;
}
int I_WaitForTicPolled (int prevtic)
{
int time;
assert (TicFrozen == 0);
while ((time = I_GetTimePolled(false)) <= prevtic)
;
return time;
}
int I_WaitForTicSignaled (int prevtic)
{
assert (TicFrozen == 0);
while(tics <= prevtic)
{
SEMAPHORE_WAIT(timerWait)
}
return tics;
}
void I_FreezeTimeSelect (bool frozen)
{
I_SelectTimer();
return I_FreezeTime (frozen);
}
void I_FreezeTimePolled (bool frozen)
{
if (frozen)
{
assert(TicFrozen == 0);
TicFrozen = I_GetTimePolled(false);
}
else
{
assert(TicFrozen != 0);
int froze = TicFrozen;
TicFrozen = 0;
int now = I_GetTimePolled(false);
BaseTime += (now - froze) * 1000 / TICRATE;
}
}
void I_FreezeTimeSignaled (bool frozen)
{
TicFrozen = frozen;
}
int I_WaitForTicSelect (int prevtic)
{
I_SelectTimer();
return I_WaitForTic (prevtic);
}
//
// I_HandleAlarm
// Should be called every time there is an alarm.
//
void I_HandleAlarm (int sig)
{
if(!TicFrozen)
tics++;
sig_start = SDL_GetTicks();
sig_next = Scale((Scale (sig_start, TICRATE, 1000) + 1), 1000, TICRATE);
SEMAPHORE_SIGNAL(timerWait)
}
//
// I_SelectTimer
// Sets up the timer function based on if we can use signals for efficent CPU
// usage.
//
void I_SelectTimer()
{
SEMAPHORE_INIT(timerWait, 0, 0)
#ifndef __sun
signal(SIGALRM, I_HandleAlarm);
#else
struct sigaction alrmaction;
sigaction(SIGALRM, NULL, &alrmaction);
alrmaction.sa_handler = I_HandleAlarm;
sigaction(SIGALRM, &alrmaction, NULL);
#endif
struct itimerval itv;
itv.it_interval.tv_sec = itv.it_value.tv_sec = 0;
itv.it_interval.tv_usec = itv.it_value.tv_usec = 1000000/TICRATE;
if (setitimer(ITIMER_REAL, &itv, NULL) != 0)
{
I_GetTime = I_GetTimePolled;
I_FreezeTime = I_FreezeTimePolled;
I_WaitForTic = I_WaitForTicPolled;
}
else
{
I_GetTime = I_GetTimeSignaled;
I_FreezeTime = I_FreezeTimeSignaled;
I_WaitForTic = I_WaitForTicSignaled;
}
}
// Returns the fractional amount of a tic passed since the most recent tic
fixed_t I_GetTimeFrac (uint32 *ms)
{
DWORD now = SDL_GetTicks ();
if (ms) *ms = TicNext;
DWORD step = TicNext - TicStart;
if (step == 0)
{
return FRACUNIT;
}
else
{
fixed_t frac = clamp<fixed_t> ((now - TicStart)*FRACUNIT/step, 0, FRACUNIT);
return frac;
}
}
void I_InitTimer ()
{
I_GetTime = I_GetTimeSelect;
I_WaitForTic = I_WaitForTicSelect;
I_FreezeTime = I_FreezeTimeSelect;
}
void I_ShutdownTimer ()
{
}