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snes9x/unix/x11.cpp

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/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2018 BearOso,
OV2
(c) Copyright 2017 qwertymodo
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com),
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2018 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2018 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2017 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#ifdef USE_XVIDEO
#include <X11/extensions/Xvlib.h>
#define FOURCC_YUY2 0x32595559
#endif
#ifdef USE_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#ifdef MITSHM
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
#endif
#include "snes9x.h"
#include "memmap.h"
#include "ppu.h"
#include "controls.h"
#include "movie.h"
#include "logger.h"
#include "conffile.h"
#include "blit.h"
#include "display.h"
// Wrapper struct to make generic XvImage vs XImage
struct Image
{
#ifdef USE_XVIDEO
union
{
XvImage* xvimage;
#endif
XImage* ximage;
#ifdef USE_XVIDEO
};
#endif
char *data;
uint32 height;
uint32 data_size;
uint32 bits_per_pixel;
uint32 bytes_per_line;
};
struct GUIData
{
Display *display;
Screen *screen;
Visual *visual;
GC gc;
int screen_num;
int depth;
int pixel_format;
int bytes_per_pixel;
uint32 red_shift;
uint32 blue_shift;
uint32 green_shift;
uint32 red_size;
uint32 green_size;
uint32 blue_size;
Window window;
Image *image;
uint8 *snes_buffer;
uint8 *filter_buffer;
uint8 *blit_screen;
uint32 blit_screen_pitch;
bool8 need_convert;
Cursor point_cursor;
Cursor cross_hair_cursor;
int video_mode;
int mouse_x;
int mouse_y;
bool8 mod1_pressed;
bool8 no_repeat;
bool8 fullscreen;
int x_offset;
int y_offset;
#ifdef USE_XVIDEO
bool8 use_xvideo;
int xv_port;
int scale_w;
int scale_h;
bool8 maxaspect;
int imageHeight;
int xv_format;
int xv_bpp;
unsigned char y_table[1 << 15];
unsigned char u_table[1 << 15];
unsigned char v_table[1 << 15];
#endif
#ifdef USE_XINERAMA
uint32 xinerama_head;
#endif
#ifdef MITSHM
XShmSegmentInfo sm_info;
bool8 use_shared_memory;
#endif
};
static struct GUIData GUI;
typedef std::pair<std::string, std::string> strpair_t;
extern std::vector<strpair_t> keymaps;
typedef void (* Blitter) (uint8 *, int, uint8 *, int, int, int);
#ifdef __linux
// Select seems to be broken in 2.x.x kernels - if a signal interrupts a
// select system call with a zero timeout, the select call is restarted but
// with an infinite timeout! The call will block until data arrives on the
// selected fd(s).
//
// The workaround is to stop the X library calling select in the first
// place! Replace XPending - which polls for data from the X server using
// select - with an ioctl call to poll for data and then only call the blocking
// XNextEvent if data is waiting.
#define SELECT_BROKEN_FOR_SIGNALS
#endif
enum
{
VIDEOMODE_BLOCKY = 1,
VIDEOMODE_TV,
VIDEOMODE_SMOOTH,
VIDEOMODE_SUPEREAGLE,
VIDEOMODE_2XSAI,
VIDEOMODE_SUPER2XSAI,
VIDEOMODE_EPX,
VIDEOMODE_HQ2X
};
static int ErrorHandler (Display *, XErrorEvent *);
static bool8 CheckForPendingXEvents (Display *);
static void SetXRepeat (bool8);
static void SetupImage (void);
static void TakedownImage (void);
static void SetupXImage (void);
static void TakedownXImage (void);
#ifdef USE_XVIDEO
static void SetupXvImage (void);
static void TakedownXvImage (void);
#endif
static void Repaint (bool8);
static void Convert16To24 (int, int);
static void Convert16To24Packed (int, int);
void S9xExtraDisplayUsage (void)
{
/* 12345678901234567890123456789012345678901234567890123456789012345678901234567890 */
S9xMessage(S9X_INFO, S9X_USAGE, "-setrepeat Allow altering keyboard auto-repeat");
S9xMessage(S9X_INFO, S9X_USAGE, "");
S9xMessage(S9X_INFO, S9X_USAGE, "-fullscreen Switch to full-screen on start");
#ifdef USE_XVIDEO
S9xMessage(S9X_INFO, S9X_USAGE, "-xvideo Hardware accelerated scaling");
S9xMessage(S9X_INFO, S9X_USAGE, "-maxaspect Try to fill the display, in fullscreen");
#endif
#ifdef USE_XINERAMA
S9xMessage(S9X_INFO, S9X_USAGE, "-xineramahead Xinerama head number for multi-monitor setups");
#endif
S9xMessage(S9X_INFO, S9X_USAGE, "");
S9xMessage(S9X_INFO, S9X_USAGE, "-v1 Video mode: Blocky (default)");
S9xMessage(S9X_INFO, S9X_USAGE, "-v2 Video mode: TV");
S9xMessage(S9X_INFO, S9X_USAGE, "-v3 Video mode: Smooth");
S9xMessage(S9X_INFO, S9X_USAGE, "-v4 Video mode: SuperEagle");
S9xMessage(S9X_INFO, S9X_USAGE, "-v5 Video mode: 2xSaI");
S9xMessage(S9X_INFO, S9X_USAGE, "-v6 Video mode: Super2xSaI");
S9xMessage(S9X_INFO, S9X_USAGE, "-v7 Video mode: EPX");
S9xMessage(S9X_INFO, S9X_USAGE, "-v8 Video mode: hq2x");
S9xMessage(S9X_INFO, S9X_USAGE, "");
}
void S9xParseDisplayArg (char **argv, int &i, int argc)
{
if (!strcasecmp(argv[i], "-setrepeat"))
GUI.no_repeat = FALSE;
else
if (!strcasecmp(argv[i], "-fullscreen"))
GUI.fullscreen = TRUE;
else
#ifdef USE_XVIDEO
if (!strcasecmp(argv[i], "-xvideo"))
GUI.use_xvideo = TRUE;
else
if (!strcasecmp(argv[i], "-maxaspect"))
GUI.maxaspect = TRUE;
else
#endif
#ifdef USE_XINERAMA
if (!strcasecmp(argv[i], "-xineramahead"))
{
if (i + 1 < argc)
GUI.xinerama_head = atoi(argv[++i]);
else
S9xUsage();
}
else
#endif
if (!strncasecmp(argv[i], "-v", 2))
{
switch (argv[i][2])
{
case '1': GUI.video_mode = VIDEOMODE_BLOCKY; break;
case '2': GUI.video_mode = VIDEOMODE_TV; break;
case '3': GUI.video_mode = VIDEOMODE_SMOOTH; break;
case '4': GUI.video_mode = VIDEOMODE_SUPEREAGLE; break;
case '5': GUI.video_mode = VIDEOMODE_2XSAI; break;
case '6': GUI.video_mode = VIDEOMODE_SUPER2XSAI; break;
case '7': GUI.video_mode = VIDEOMODE_EPX; break;
case '8': GUI.video_mode = VIDEOMODE_HQ2X; break;
}
}
else
S9xUsage();
}
const char * S9xParseDisplayConfig (ConfigFile &conf, int pass)
{
if (pass != 1)
return ("Unix/X11");
if (!conf.GetBool("Unix::ClearAllControls", false))
{
keymaps.push_back(strpair_t("K00:k", "Joypad1 Right"));
keymaps.push_back(strpair_t("K00:Right", "Joypad1 Right"));
keymaps.push_back(strpair_t("K00:h", "Joypad1 Left"));
keymaps.push_back(strpair_t("K00:Left", "Joypad1 Left"));
keymaps.push_back(strpair_t("K00:j", "Joypad1 Down"));
keymaps.push_back(strpair_t("K00:n", "Joypad1 Down"));
keymaps.push_back(strpair_t("K00:Down", "Joypad1 Down"));
keymaps.push_back(strpair_t("K00:u", "Joypad1 Up"));
keymaps.push_back(strpair_t("K00:Up", "Joypad1 Up"));
keymaps.push_back(strpair_t("K00:Return", "Joypad1 Start"));
keymaps.push_back(strpair_t("K00:space", "Joypad1 Select"));
keymaps.push_back(strpair_t("K00:S+d", "Joypad1 ToggleTurbo A"));
keymaps.push_back(strpair_t("K00:C+d", "Joypad1 ToggleSticky A"));
keymaps.push_back(strpair_t("K00:d", "Joypad1 A"));
keymaps.push_back(strpair_t("K00:S+c", "Joypad1 ToggleTurbo B"));
keymaps.push_back(strpair_t("K00:C+c", "Joypad1 ToggleSticky B"));
keymaps.push_back(strpair_t("K00:c", "Joypad1 B"));
keymaps.push_back(strpair_t("K00:S+s", "Joypad1 ToggleTurbo X"));
keymaps.push_back(strpair_t("K00:C+s", "Joypad1 ToggleSticky X"));
keymaps.push_back(strpair_t("K00:s", "Joypad1 X"));
keymaps.push_back(strpair_t("K00:S+x", "Joypad1 ToggleTurbo Y"));
keymaps.push_back(strpair_t("K00:C+x", "Joypad1 ToggleSticky Y"));
keymaps.push_back(strpair_t("K00:x", "Joypad1 Y"));
keymaps.push_back(strpair_t("K00:S+a", "Joypad1 ToggleTurbo L"));
keymaps.push_back(strpair_t("K00:S+v", "Joypad1 ToggleTurbo L"));
keymaps.push_back(strpair_t("K00:C+a", "Joypad1 ToggleSticky L"));
keymaps.push_back(strpair_t("K00:C+v", "Joypad1 ToggleSticky L"));
keymaps.push_back(strpair_t("K00:a", "Joypad1 L"));
keymaps.push_back(strpair_t("K00:v", "Joypad1 L"));
keymaps.push_back(strpair_t("K00:S+z", "Joypad1 ToggleTurbo R"));
keymaps.push_back(strpair_t("K00:C+z", "Joypad1 ToggleSticky R"));
keymaps.push_back(strpair_t("K00:z", "Joypad1 R"));
keymaps.push_back(strpair_t("K00:KP_Left", "Joypad2 Left"));
keymaps.push_back(strpair_t("K00:KP_Right", "Joypad2 Right"));
keymaps.push_back(strpair_t("K00:KP_Up", "Joypad2 Up"));
keymaps.push_back(strpair_t("K00:KP_Down", "Joypad2 Down"));
keymaps.push_back(strpair_t("K00:KP_Enter", "Joypad2 Start"));
keymaps.push_back(strpair_t("K00:KP_Add", "Joypad2 Select"));
keymaps.push_back(strpair_t("K00:Prior", "Joypad2 A"));
keymaps.push_back(strpair_t("K00:Next", "Joypad2 B"));
keymaps.push_back(strpair_t("K00:Home", "Joypad2 X"));
keymaps.push_back(strpair_t("K00:End", "Joypad2 Y"));
keymaps.push_back(strpair_t("K00:Insert", "Joypad2 L"));
keymaps.push_back(strpair_t("K00:Delete", "Joypad2 R"));
keymaps.push_back(strpair_t("K00:A+F4", "SoundChannel0"));
keymaps.push_back(strpair_t("K00:C+F4", "SoundChannel0"));
keymaps.push_back(strpair_t("K00:A+F5", "SoundChannel1"));
keymaps.push_back(strpair_t("K00:C+F5", "SoundChannel1"));
keymaps.push_back(strpair_t("K00:A+F6", "SoundChannel2"));
keymaps.push_back(strpair_t("K00:C+F6", "SoundChannel2"));
keymaps.push_back(strpair_t("K00:A+F7", "SoundChannel3"));
keymaps.push_back(strpair_t("K00:C+F7", "SoundChannel3"));
keymaps.push_back(strpair_t("K00:A+F8", "SoundChannel4"));
keymaps.push_back(strpair_t("K00:C+F8", "SoundChannel4"));
keymaps.push_back(strpair_t("K00:A+F9", "SoundChannel5"));
keymaps.push_back(strpair_t("K00:C+F9", "SoundChannel5"));
keymaps.push_back(strpair_t("K00:A+F10", "SoundChannel6"));
keymaps.push_back(strpair_t("K00:C+F10", "SoundChannel6"));
keymaps.push_back(strpair_t("K00:A+F11", "SoundChannel7"));
keymaps.push_back(strpair_t("K00:C+F11", "SoundChannel7"));
keymaps.push_back(strpair_t("K00:A+F12", "SoundChannelsOn"));
keymaps.push_back(strpair_t("K00:C+F12", "SoundChannelsOn"));
keymaps.push_back(strpair_t("K00:S+1", "BeginRecordingMovie"));
keymaps.push_back(strpair_t("K00:S+2", "EndRecordingMovie"));
keymaps.push_back(strpair_t("K00:S+3", "LoadMovie"));
keymaps.push_back(strpair_t("K00:A+F1", "SaveSPC"));
keymaps.push_back(strpair_t("K00:C+F1", "SaveSPC"));
keymaps.push_back(strpair_t("K00:F10", "LoadOopsFile"));
keymaps.push_back(strpair_t("K00:A+F2", "LoadFreezeFile"));
keymaps.push_back(strpair_t("K00:C+F2", "LoadFreezeFile"));
keymaps.push_back(strpair_t("K00:F11", "LoadFreezeFile"));
keymaps.push_back(strpair_t("K00:A+F3", "SaveFreezeFile"));
keymaps.push_back(strpair_t("K00:C+F3", "SaveFreezeFile"));
keymaps.push_back(strpair_t("K00:F12", "SaveFreezeFile"));
keymaps.push_back(strpair_t("K00:F1", "QuickLoad000"));
keymaps.push_back(strpair_t("K00:F2", "QuickLoad001"));
keymaps.push_back(strpair_t("K00:F3", "QuickLoad002"));
keymaps.push_back(strpair_t("K00:F4", "QuickLoad003"));
keymaps.push_back(strpair_t("K00:F5", "QuickLoad004"));
keymaps.push_back(strpair_t("K00:F6", "QuickLoad005"));
keymaps.push_back(strpair_t("K00:F7", "QuickLoad006"));
keymaps.push_back(strpair_t("K00:F8", "QuickLoad007"));
keymaps.push_back(strpair_t("K00:F9", "QuickLoad008"));
keymaps.push_back(strpair_t("K00:S+F1", "QuickSave000"));
keymaps.push_back(strpair_t("K00:S+F2", "QuickSave001"));
keymaps.push_back(strpair_t("K00:S+F3", "QuickSave002"));
keymaps.push_back(strpair_t("K00:S+F4", "QuickSave003"));
keymaps.push_back(strpair_t("K00:S+F5", "QuickSave004"));
keymaps.push_back(strpair_t("K00:S+F6", "QuickSave005"));
keymaps.push_back(strpair_t("K00:S+F7", "QuickSave006"));
keymaps.push_back(strpair_t("K00:S+F8", "QuickSave007"));
keymaps.push_back(strpair_t("K00:S+F9", "QuickSave008"));
keymaps.push_back(strpair_t("K00:Scroll_Lock", "Pause"));
keymaps.push_back(strpair_t("K00:CS+Escape", "Reset"));
keymaps.push_back(strpair_t("K00:S+Escape", "SoftReset"));
keymaps.push_back(strpair_t("K00:Escape", "ExitEmu"));
keymaps.push_back(strpair_t("K00:Tab", "EmuTurbo"));
keymaps.push_back(strpair_t("K00:S+Tab", "ToggleEmuTurbo"));
keymaps.push_back(strpair_t("K00:A+equal", "IncEmuTurbo"));
keymaps.push_back(strpair_t("K00:A+minus", "DecEmuTurbo"));
keymaps.push_back(strpair_t("K00:C+equal", "IncTurboSpeed"));
keymaps.push_back(strpair_t("K00:C+minus", "DecTurboSpeed"));
keymaps.push_back(strpair_t("K00:equal", "IncFrameRate"));
keymaps.push_back(strpair_t("K00:minus", "DecFrameRate"));
keymaps.push_back(strpair_t("K00:S+equal", "IncFrameTime"));
keymaps.push_back(strpair_t("K00:S+minus", "DecFrameTime"));
keymaps.push_back(strpair_t("K00:6", "SwapJoypads"));
keymaps.push_back(strpair_t("K00:Print", "Screenshot"));
keymaps.push_back(strpair_t("K00:1", "ToggleBG0"));
keymaps.push_back(strpair_t("K00:2", "ToggleBG1"));
keymaps.push_back(strpair_t("K00:3", "ToggleBG2"));
keymaps.push_back(strpair_t("K00:4", "ToggleBG3"));
keymaps.push_back(strpair_t("K00:5", "ToggleSprites"));
keymaps.push_back(strpair_t("K00:9", "ToggleTransparency"));
keymaps.push_back(strpair_t("K00:BackSpace", "ClipWindows"));
keymaps.push_back(strpair_t("K00:A+Escape", "Debugger"));
keymaps.push_back(strpair_t("M00:B0", "{Mouse1 L,Superscope Fire,Justifier1 Trigger}"));
keymaps.push_back(strpair_t("M00:B1", "{Justifier1 AimOffscreen Trigger,Superscope AimOffscreen}"));
keymaps.push_back(strpair_t("M00:B2", "{Mouse1 R,Superscope Cursor,Justifier1 Start}"));
keymaps.push_back(strpair_t("M00:Pointer", "Pointer Mouse1+Superscope+Justifier1"));
keymaps.push_back(strpair_t("K00:grave", "Superscope ToggleTurbo"));
keymaps.push_back(strpair_t("K00:slash", "Superscope Pause"));
keymaps.push_back(strpair_t("K00:r", "Rewind"));
}
GUI.no_repeat = !conf.GetBool("Unix/X11::SetKeyRepeat", TRUE);
GUI.fullscreen = conf.GetBool("Unix/X11::Fullscreen", FALSE);
#ifdef USE_XVIDEO
GUI.use_xvideo = conf.GetBool("Unix/X11::Xvideo", FALSE);
GUI.maxaspect = conf.GetBool("Unix/X11::MaxAspect", FALSE);
#endif
#ifdef USE_XINERAMA
GUI.xinerama_head = conf.GetUInt("Unix/X11::XineramaHead", 0);
#endif
if (conf.Exists("Unix/X11::VideoMode"))
{
GUI.video_mode = conf.GetUInt("Unix/X11::VideoMode", VIDEOMODE_BLOCKY);
if (GUI.video_mode < 1 || GUI.video_mode > 8)
GUI.video_mode = VIDEOMODE_BLOCKY;
}
else
GUI.video_mode = VIDEOMODE_BLOCKY;
return ("Unix/X11");
}
static void FatalError (const char *str)
{
fprintf(stderr, "%s\n", str);
S9xExit();
}
static int ErrorHandler (Display *display, XErrorEvent *event)
{
#ifdef MITSHM
GUI.use_shared_memory = FALSE;
#endif
return (0);
}
#ifdef USE_XVIDEO
static int get_inv_shift (uint32 mask, int bpp)
{
int i;
// Find mask
for (i = 0; (i < bpp) && !(mask & (1 << i)); i++) {};
// Find start of mask
for (; (i < bpp) && (mask & (1 << i)); i++) {};
return (bpp - i);
}
static unsigned char CLAMP (int v, int min, int max)
{
if (v < min) return min;
if (v > max) return max;
return v;
}
static bool8 SetupXvideo()
{
int ret;
// Init xv_port
GUI.xv_port = -1;
/////////////////////
// Check that Xvideo extension seems OK
unsigned int p_version, p_release, p_request_base, p_event_base, p_error_base;
ret = XvQueryExtension(GUI.display,
&p_version, &p_release, &p_request_base,
&p_event_base, &p_error_base);
if (ret != Success) { fprintf(stderr,"XvQueryExtension error\n"); return FALSE; }
printf("XvExtension version %i.%i\n",p_version,p_release);
/////////////////////
// Get info about the Adaptors available for this window
unsigned int p_num_adaptors;
XvAdaptorInfo* ai;
ret = XvQueryAdaptors(GUI.display, GUI.window, &p_num_adaptors, &ai);
if (ret != Success || p_num_adaptors == 0) {
fprintf(stderr,"XvQueryAdaptors error.");
return FALSE;
}
printf("XvQueryAdaptors: %d adaptor(s) found.\n",p_num_adaptors);
unsigned int minAdaptor = 0, maxAdaptor = p_num_adaptors;
// Allow user to force adaptor choice
/* if (adaptor >= 0 && adaptor < p_num_adaptors)
{
if (verbose) std::cout << "Forcing adaptor " << adaptor << ", '" << ai[adaptor].name << "'" << std::endl;
minAdaptor = adaptor;
maxAdaptor = adaptor + 1;
} */
/////////////////////
// Iterate through list of available adaptors.
// Grab a port if we can.
for (unsigned int i = minAdaptor; i < maxAdaptor && GUI.xv_port < 0; i++)
{
// We need to find one supporting XvInputMask and XvImageMask.
if (! (ai[i].type & XvImageMask)) continue;
if (! (ai[i].type & XvInputMask)) continue;
printf("\tAdaptor #%d: [%s]: %ld port(s) available.\n", i, ai[i].name, ai[i].num_ports);
// Get encodings available here
// AFAIK all ports on an adapter share the same encodings info.
unsigned int encodings;
XvEncodingInfo *ei;
ret = XvQueryEncodings(GUI.display, ai[i].base_id, &encodings, &ei);
if (ret != Success || encodings == 0) {
fprintf(stderr,"XvQueryEncodings error.");
continue;
}
// Ensure the XV_IMAGE encoding available has sufficient width/height for us.
bool8 can_fit = FALSE;
for (unsigned int j = 0; j < encodings; j++)
{
if (strcmp(ei[j].name,"XV_IMAGE")) continue;
if (ei[j].width >= SNES_WIDTH * 2 &&
ei[j].height >= SNES_HEIGHT_EXTENDED * 2)
{
can_fit = TRUE;
break;
}
}
XvFreeEncodingInfo(ei);
if (can_fit == FALSE)
{
fprintf(stderr,"\tDid not find XV_IMAGE encoding with enough max size\n");
continue;
}
// Phew. If we've made it this far, we can try to choose it for our output port.
for (unsigned int p = ai[i].base_id; p < ai[i].base_id+ai[i].num_ports; p++)
{
ret = XvGrabPort(GUI.display, p, CurrentTime);
if (ret == Success)
{
printf("\tSuccessfully bound to Xv port %d\n",p);
GUI.xv_port = p;
break;
} else {
fprintf(stderr,"\tXvGrabPort port %d fail.\n",p);
}
}
}
XvFreeAdaptorInfo(ai);
/////////////////////
// Bail out here if we haven't managed to bind to any port.
if (GUI.xv_port < 0)
{
fprintf(stderr,"No suitable xv_port found in any Adaptors.\n");
return FALSE;
}
// Xv ports can have Attributes (hue, saturation, etc)
/* Set XV_AUTOPAINT_COLORKEY _only_ if available */
int num_attrs;
XvAttribute* port_attr;
port_attr = XvQueryPortAttributes (GUI.display, GUI.xv_port, &num_attrs);
for (int i = 0; i < num_attrs; i++)
{
if (!strcmp (port_attr[i].name, "XV_AUTOPAINT_COLORKEY"))
{
Atom colorkey;
colorkey = XInternAtom (GUI.display, "XV_AUTOPAINT_COLORKEY", True);
if (colorkey != None)
{
XvSetPortAttribute (GUI.display, GUI.xv_port, colorkey, 1);
printf("\tSet XV_AUTOPAINT_COLORKEY.\n");
}
}
}
XFree(port_attr);
// Now we need to find to find the image format to use for output.
// There are two steps to this:
// Prefer an XvRGB version of lowest bitdepth.
// If that's not available use YUY2
int formats;
XvImageFormatValues* fo;
fo = XvListImageFormats(GUI.display, GUI.xv_port, &formats);
if (formats == 0)
{
fprintf(stderr,"No valid image formats for Xv port!");
return FALSE;
}
/* Ok time to search for a good Format */
GUI.xv_format = FOURCC_YUY2;
GUI.xv_bpp = 0x7FFFFFFF;
for (int i = 0; i < formats; i++)
{
if (fo[i].id == 0x3 || fo[i].type == XvRGB)
{
if (fo[i].bits_per_pixel < GUI.xv_bpp)
{
GUI.xv_format = fo[i].id;
GUI.xv_bpp = fo[i].bits_per_pixel;
GUI.bytes_per_pixel = (GUI.xv_bpp == 15) ? 2 : GUI.xv_bpp >> 3;
GUI.depth = fo[i].depth;
GUI.red_shift = get_inv_shift (fo[i].red_mask, GUI.xv_bpp);
GUI.green_shift = get_inv_shift (fo[i].green_mask, GUI.xv_bpp);
GUI.blue_shift = get_inv_shift (fo[i].blue_mask, GUI.xv_bpp);
/* Check for red-blue inversion on SiliconMotion drivers */
if (fo[i].red_mask == 0x001f &&
fo[i].blue_mask == 0x7c00)
{
int copy = GUI.red_shift;
GUI.red_shift = GUI.blue_shift;
GUI.blue_shift = copy;
}
/* on big-endian Xv still seems to like LSB order */
/*if (config->force_inverted_byte_order)
S9xSetEndianess (ENDIAN_MSB);
else
S9xSetEndianess (ENDIAN_LSB); */
}
}
}
free (fo);
if (GUI.xv_format != FOURCC_YUY2)
{
printf("Selected XvRGB format: %d bpp\n",GUI.xv_bpp);
} else {
// use YUY2
printf("Fallback to YUY2 format.\n");
GUI.depth = 15;
/* Build a table for yuv conversion */
for (unsigned int color = 0; color < (1 << 15); color++)
{
int r, g, b;
int y, u, v;
r = (color & 0x7c00) >> 7;
g = (color & 0x03e0) >> 2;
b = (color & 0x001F) << 3;
y = (int) ((0.257 * ((double) r)) + (0.504 * ((double) g)) + (0.098 * ((double) b)) + 16.0);
u = (int) ((-0.148 * ((double) r)) + (-0.291 * ((double) g)) + (0.439 * ((double) b)) + 128.0);
v = (int) ((0.439 * ((double) r)) + (-0.368 * ((double) g)) + (-0.071 * ((double) b)) + 128.0);
GUI.y_table[color] = CLAMP (y, 0, 255);
GUI.u_table[color] = CLAMP (u, 0, 255);
GUI.v_table[color] = CLAMP (v, 0, 255);
}
}
return TRUE;
}
#endif
void S9xInitDisplay (int argc, char **argv)
{
GUI.display = XOpenDisplay(NULL);
if (GUI.display == NULL)
FatalError("Failed to connect to X server.");
GUI.screen = DefaultScreenOfDisplay(GUI.display);
GUI.screen_num = XScreenNumberOfScreen(GUI.screen);
GUI.visual = DefaultVisualOfScreen(GUI.screen);
XVisualInfo plate, *matches;
int count;
plate.visualid = XVisualIDFromVisual(GUI.visual);
matches = XGetVisualInfo(GUI.display, VisualIDMask, &plate, &count);
if (!count)
FatalError("Your X Window System server is unwell!");
GUI.depth = matches[0].depth;
if ((GUI.depth != 15 && GUI.depth != 16 && GUI.depth != 24) || (matches[0].c_class != TrueColor))
FatalError("Requiers 15, 16, 24 or 32-bit color depth supporting TrueColor.");
GUI.red_shift = ffs(matches[0].red_mask) - 1;
GUI.green_shift = ffs(matches[0].green_mask) - 1;
GUI.blue_shift = ffs(matches[0].blue_mask) - 1;
GUI.red_size = matches[0].red_mask >> GUI.red_shift;
GUI.green_size = matches[0].green_mask >> GUI.green_shift;
GUI.blue_size = matches[0].blue_mask >> GUI.blue_shift;
if (GUI.depth == 16 && GUI.green_size == 63)
GUI.green_shift++;
XFree(matches);
// Init various scale-filters
S9xBlitFilterInit();
S9xBlit2xSaIFilterInit();
S9xBlitHQ2xFilterInit();
/* Set up parameters for creating the window */
XSetWindowAttributes attrib;
memset(&attrib, 0, sizeof(attrib));
attrib.background_pixel = BlackPixelOfScreen(GUI.screen);
attrib.colormap = XCreateColormap(GUI.display, RootWindowOfScreen(GUI.screen), GUI.visual, AllocNone);
int screen_left = 0, screen_top = 0;
int screen_w = WidthOfScreen(GUI.screen), screen_h = HeightOfScreen(GUI.screen);
#ifdef USE_XINERAMA
int heads = 0;
XineramaScreenInfo* si = 0;
int useless1, useless2;
if (!XineramaQueryExtension(GUI.display, &useless1, &useless2)) {
puts("Xinerama is not available");
goto xinerama_end;
}
if (!XineramaIsActive(GUI.display)) {
puts("Xinerama is not active");
goto xinerama_end;
}
si = XineramaQueryScreens(GUI.display, &heads);
if (!si) {
puts("XineramaQueryScreens failed");
goto xinerama_end;
}
if (GUI.xinerama_head >= heads) {
printf("Invalid xinerama head id (expected 0-%d, got %u)\n", heads - 1, GUI.xinerama_head);
goto xinerama_end;
}
si = &si[GUI.xinerama_head];
screen_left = si->x_org;
screen_top = si->y_org;
screen_w = si->width;
screen_h = si->height;
printf("Selected xinerama head %u (%d,%d %dx%d)\n", GUI.xinerama_head, screen_left, screen_top, screen_w, screen_h);
xinerama_end:
#endif
XSizeHints Hints;
memset((void *) &Hints, 0, sizeof(XSizeHints));
/* Try to switch to Fullscreen. */
if (GUI.fullscreen == TRUE)
{
Hints.flags = PPosition;
Hints.x = screen_left;
Hints.y = screen_top;
/* Create the window with maximum screen width,height positioned at 0,0. */
GUI.window = XCreateWindow(GUI.display, RootWindowOfScreen(GUI.screen),
Hints.x, Hints.y,
screen_w, screen_h, 0,
GUI.depth, InputOutput, GUI.visual, CWBackPixel | CWColormap, &attrib);
/* Try to tell the Window Manager not to decorate this window. */
Atom wm_state = XInternAtom (GUI.display, "_NET_WM_STATE", true );
Atom wm_fullscreen = XInternAtom (GUI.display, "_NET_WM_STATE_FULLSCREEN", true );
XChangeProperty(GUI.display, GUI.window, wm_state, XA_ATOM, 32, PropModeReplace, (unsigned char *)&wm_fullscreen, 1);
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
{
// Set some defaults
GUI.scale_w = screen_w;
GUI.scale_h = screen_h;
GUI.imageHeight = SNES_HEIGHT_EXTENDED * 2;
if (! GUI.maxaspect)
{
// Compute the maximum screen size for scaling xvideo window.
double screenAspect = (double)screen_w / screen_h;
double snesAspect = (double)SNES_WIDTH / SNES_HEIGHT_EXTENDED;
double ratio = screenAspect / snesAspect;
printf("\tScreen (%dx%d) aspect %f vs SNES (%dx%d) aspect %f (ratio: %f)\n",
screen_w,screen_h,screenAspect,
SNES_WIDTH,SNES_HEIGHT_EXTENDED,snesAspect,
ratio);
// Correct aspect ratio
if (screenAspect > snesAspect)
{
// widescreen monitor, 4:3 snes
// match height, scale width
GUI.scale_w /= ratio;
GUI.x_offset = (screen_w - GUI.scale_w) / 2;
} else {
// narrow monitor, 4:3 snes
// match width, scale height
GUI.scale_h *= ratio;
GUI.y_offset = (screen_h - GUI.scale_h) / 2;
}
}
printf("\tUsing size %dx%d with offset (%d,%d)\n",GUI.scale_w,GUI.scale_h,GUI.x_offset,GUI.y_offset);
}
else
#endif
{
/* Last: position the output window in the center of the screen. */
GUI.x_offset = (screen_w - SNES_WIDTH * 2) / 2;
GUI.y_offset = (screen_h - SNES_HEIGHT_EXTENDED * 2) / 2;
}
} else {
/* Tell the Window Manager that we do not wish to be resizable */
Hints.flags = PSize | PMinSize | PMaxSize | PPosition;
Hints.x = screen_left + (screen_w - SNES_WIDTH * 2) / 2;
Hints.y = screen_top + (screen_h - SNES_HEIGHT_EXTENDED * 2) / 2;
Hints.min_width = Hints.max_width = Hints.base_width = SNES_WIDTH * 2;
Hints.min_height = Hints.max_height = Hints.base_height = SNES_HEIGHT_EXTENDED * 2;
/* Create the window. */
GUI.window = XCreateWindow(GUI.display, RootWindowOfScreen(GUI.screen),
Hints.x, Hints.y,
SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, 0, GUI.depth, InputOutput, GUI.visual, CWBackPixel | CWColormap, &attrib);
/* Last: Windowed SNES is not drawn with any offsets. */
GUI.x_offset = GUI.y_offset = 0;
#ifdef USE_XVIDEO
GUI.scale_w = SNES_WIDTH * 2;
GUI.scale_h = SNES_HEIGHT_EXTENDED * 2;
#endif
}
XSetWMNormalHints(GUI.display, GUI.window, &Hints);
/* Load UI cursors */
static XColor bg, fg;
static char data[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
Pixmap bitmap;
bitmap = XCreateBitmapFromData(GUI.display, GUI.window, data, 8, 8);
GUI.point_cursor = XCreatePixmapCursor(GUI.display, bitmap, bitmap, &fg, &bg, 0, 0);
XDefineCursor(GUI.display, GUI.window, GUI.point_cursor);
GUI.cross_hair_cursor = XCreateFontCursor(GUI.display, XC_crosshair);
GUI.gc = DefaultGCOfScreen(GUI.screen);
/* Other window-manager hints */
XWMHints WMHints;
memset((void *) &WMHints, 0, sizeof(XWMHints));
/* Rely on the Window Manager to provide us with keyboard input */
WMHints.input = True;
WMHints.flags = InputHint;
XSetWMHints(GUI.display, GUI.window, &WMHints);
XSelectInput(GUI.display, GUI.window, FocusChangeMask | ExposureMask | KeyPressMask | KeyReleaseMask | StructureNotifyMask | ButtonPressMask | ButtonReleaseMask);
/* Bring up our window (and put it in foreground) */
XMapRaised(GUI.display, GUI.window);
XClearWindow(GUI.display, GUI.window);
// Wait for map
XEvent event;
do {
XNextEvent(GUI.display, &event);
} while (event.type != MapNotify || event.xmap.event != GUI.window);
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
{
GUI.use_xvideo = SetupXvideo();
}
#endif
switch (GUI.depth)
{
default:
case 32:
case 24:
S9xSetRenderPixelFormat(RGB555);
GUI.pixel_format = 555;
break;
case 16:
if (GUI.red_size != GUI.green_size || GUI.blue_size != GUI.green_size)
{
// 565 format
if (GUI.green_shift > GUI.blue_shift && GUI.green_shift > GUI.red_shift)
S9xSetRenderPixelFormat(GBR565);
else
if (GUI.red_shift > GUI.blue_shift)
S9xSetRenderPixelFormat(RGB565);
else
S9xSetRenderPixelFormat(BGR565);
GUI.pixel_format = 565;
break;
}
// FALL ...
case 15:
if (GUI.green_shift > GUI.blue_shift && GUI.green_shift > GUI.red_shift)
S9xSetRenderPixelFormat(GBR555);
else
if (GUI.red_shift > GUI.blue_shift)
S9xSetRenderPixelFormat(RGB555);
else
S9xSetRenderPixelFormat(BGR555);
GUI.pixel_format = 555;
break;
}
SetupImage();
switch (GUI.depth)
{
default:
case 32:
GUI.bytes_per_pixel = 4;
break;
case 24:
if (GUI.image->bits_per_pixel == 24)
GUI.bytes_per_pixel = 3;
else
GUI.bytes_per_pixel = 4;
break;
case 15:
case 16:
GUI.bytes_per_pixel = 2;
break;
}
printf("Using internal pixel format %d\n",GUI.pixel_format);
}
void S9xDeinitDisplay (void)
{
TakedownImage();
if (GUI.display != NULL)
{
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
{
XvUngrabPort(GUI.display,GUI.xv_port,CurrentTime);
}
#endif
S9xTextMode();
XSync(GUI.display, False);
XCloseDisplay(GUI.display);
}
S9xBlitFilterDeinit();
S9xBlit2xSaIFilterDeinit();
S9xBlitHQ2xFilterDeinit();
}
static void SetupImage (void)
{
TakedownImage();
// Create new image struct
GUI.image = (Image *) calloc(sizeof(Image), 1);
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
SetupXvImage();
if (!GUI.use_xvideo)
#endif
SetupXImage();
// Setup SNES buffers
GFX.Pitch = SNES_WIDTH * 2 * 2;
GUI.snes_buffer = (uint8 *) calloc(GFX.Pitch * ((SNES_HEIGHT_EXTENDED + 4) * 2), 1);
if (!GUI.snes_buffer)
FatalError("Failed to allocate GUI.snes_buffer.");
GFX.Screen = (uint16 *) (GUI.snes_buffer + (GFX.Pitch * 2 * 2));
GUI.filter_buffer = (uint8 *) calloc((SNES_WIDTH * 2) * 2 * (SNES_HEIGHT_EXTENDED * 2), 1);
if (!GUI.filter_buffer)
FatalError("Failed to allocate GUI.filter_buffer.");
#ifdef USE_XVIDEO
if ((GUI.depth == 15 || GUI.depth == 16) && GUI.xv_format != FOURCC_YUY2)
#else
if (GUI.depth == 15 || GUI.depth == 16)
#endif
{
GUI.blit_screen_pitch = GUI.image->bytes_per_line;
GUI.blit_screen = (uint8 *) GUI.image->data;
GUI.need_convert = FALSE;
}
else
{
GUI.blit_screen_pitch = (SNES_WIDTH * 2) * 2;
GUI.blit_screen = GUI.filter_buffer;
GUI.need_convert = TRUE;
}
if (GUI.need_convert) { printf("\tImage conversion needed before blit.\n"); }
S9xGraphicsInit();
}
static void TakedownImage (void)
{
if (GUI.snes_buffer)
{
free(GUI.snes_buffer);
GUI.snes_buffer = NULL;
}
if (GUI.filter_buffer)
{
free(GUI.filter_buffer);
GUI.filter_buffer = NULL;
}
if (GUI.image)
{
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
TakedownXvImage();
else
#endif
TakedownXImage();
free(GUI.image);
GUI.image = NULL;
}
S9xGraphicsDeinit();
}
static void SetupXImage (void)
{
#ifdef MITSHM
GUI.use_shared_memory = TRUE;
int major, minor;
Bool shared;
if (!XShmQueryVersion(GUI.display, &major, &minor, &shared) || !shared)
GUI.image->ximage = NULL;
else
GUI.image->ximage = XShmCreateImage(GUI.display, GUI.visual, GUI.depth, ZPixmap, NULL, &GUI.sm_info, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2);
if (!GUI.image->ximage)
GUI.use_shared_memory = FALSE;
else
{
// set main Image struct vars
GUI.image->height = GUI.image->ximage->height;
GUI.image->bytes_per_line = GUI.image->ximage->bytes_per_line;
GUI.image->data_size = GUI.image->bytes_per_line * GUI.image->height;
GUI.sm_info.shmid = shmget(IPC_PRIVATE, GUI.image->data_size, IPC_CREAT | 0777);
if (GUI.sm_info.shmid < 0)
{
XDestroyImage(GUI.image->ximage);
GUI.use_shared_memory = FALSE;
}
else
{
GUI.image->ximage->data = GUI.sm_info.shmaddr = (char *) shmat(GUI.sm_info.shmid, 0, 0);
if (!GUI.image->ximage->data)
{
XDestroyImage(GUI.image->ximage);
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
GUI.use_shared_memory = FALSE;
}
else
{
GUI.sm_info.readOnly = False;
XSetErrorHandler(ErrorHandler);
XShmAttach(GUI.display, &GUI.sm_info);
XSync(GUI.display, False);
// X Error handler might clear GUI.use_shared_memory if XShmAttach failed.
if (!GUI.use_shared_memory)
{
XDestroyImage(GUI.image->ximage);
shmdt(GUI.sm_info.shmaddr);
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
} else
printf("Created XShmImage, size %d\n",GUI.image->data_size);
}
}
}
if (!GUI.use_shared_memory)
{
fprintf(stderr, "use_shared_memory failed, switching to XPutImage.\n");
#endif
GUI.image->ximage = XCreateImage(GUI.display, GUI.visual, GUI.depth, ZPixmap, 0, NULL, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, BitmapUnit(GUI.display), 0);
// set main Image struct vars
GUI.image->height = GUI.image->ximage->height;
GUI.image->bytes_per_line = GUI.image->ximage->bytes_per_line;
GUI.image->data_size = GUI.image->bytes_per_line * GUI.image->height;
GUI.image->ximage->data = (char *) malloc(GUI.image->data_size);
if (!GUI.image->ximage || !GUI.image->ximage->data)
FatalError("XCreateImage failed.");
printf("Created XImage, size %d\n",GUI.image->data_size);
#ifdef MITSHM
}
#endif
// Set final values
GUI.image->bits_per_pixel = GUI.image->ximage->bits_per_pixel;
GUI.image->data = GUI.image->ximage->data;
#ifdef LSB_FIRST
GUI.image->ximage->byte_order = LSBFirst;
#else
GUI.image->ximage->byte_order = MSBFirst;
#endif
}
static void TakedownXImage (void)
{
if (GUI.image->ximage)
{
#ifdef MITSHM
if (GUI.use_shared_memory)
{
XShmDetach(GUI.display, &GUI.sm_info);
GUI.image->ximage->data = NULL;
XDestroyImage(GUI.image->ximage);
if (GUI.sm_info.shmaddr)
shmdt(GUI.sm_info.shmaddr);
if (GUI.sm_info.shmid >= 0)
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
GUI.image->ximage = NULL;
}
else
#endif
{
XDestroyImage(GUI.image->ximage);
GUI.image->ximage = NULL;
}
}
}
#ifdef USE_XVIDEO
static void SetupXvImage (void)
{
#ifdef MITSHM
GUI.use_shared_memory = TRUE;
int major, minor;
Bool shared;
if (!XShmQueryVersion(GUI.display, &major, &minor, &shared) || !shared)
GUI.image->xvimage = NULL;
else
GUI.image->xvimage = XvShmCreateImage(GUI.display, GUI.xv_port, GUI.xv_format, NULL, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, &GUI.sm_info);
if (!GUI.image->xvimage)
GUI.use_shared_memory = FALSE;
else
{
GUI.image->height = SNES_HEIGHT_EXTENDED * 2;
GUI.image->data_size = GUI.image->xvimage->data_size;
GUI.image->bytes_per_line = GUI.image->data_size / GUI.image->height;
GUI.sm_info.shmid = shmget(IPC_PRIVATE, GUI.image->data_size, IPC_CREAT | 0777);
if (GUI.sm_info.shmid < 0)
{
XFree(GUI.image->xvimage);
GUI.use_shared_memory = FALSE;
}
else
{
GUI.image->xvimage->data = GUI.sm_info.shmaddr = (char *) shmat(GUI.sm_info.shmid, 0, 0);
if (!GUI.image->xvimage->data)
{
XFree(GUI.image->xvimage);
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
GUI.use_shared_memory = FALSE;
}
else
{
GUI.sm_info.readOnly = False;
XSetErrorHandler(ErrorHandler);
XShmAttach(GUI.display, &GUI.sm_info);
XSync(GUI.display, False);
// X Error handler might clear GUI.use_shared_memory if XShmAttach failed.
if (!GUI.use_shared_memory)
{
XFree(GUI.image->xvimage);
shmdt(GUI.sm_info.shmaddr);
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
} else
printf("Created XvShmImage, size %d\n",GUI.image->data_size);
}
}
}
if (!GUI.use_shared_memory)
{
fprintf(stderr, "use_shared_memory failed, switching to XvPutImage.\n");
#endif
GUI.image->xvimage = XvCreateImage(GUI.display, GUI.xv_port, GUI.xv_format, NULL, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2);
GUI.image->height = SNES_HEIGHT_EXTENDED * 2;
GUI.image->data_size = GUI.image->xvimage->data_size;
GUI.image->bytes_per_line = GUI.image->data_size / GUI.image->height;
GUI.image->xvimage->data = (char *) malloc(GUI.image->data_size);
if (!GUI.image->xvimage || !GUI.image->xvimage->data)
{
fprintf(stderr, "XvCreateImage failed, falling back to software blit.\n");
GUI.use_xvideo = FALSE;
return;
}
printf("Created XvImage, size %d\n",GUI.image->data_size);
#ifdef MITSHM
}
#endif
// Set final values
GUI.image->bits_per_pixel = GUI.xv_bpp;
GUI.image->data = GUI.image->xvimage->data;
}
static void TakedownXvImage (void)
{
if (GUI.image->xvimage)
{
#ifdef MITSHM
if (GUI.use_shared_memory)
{
XShmDetach(GUI.display, &GUI.sm_info);
GUI.image->xvimage->data = NULL;
XFree(GUI.image->xvimage);
if (GUI.sm_info.shmaddr)
shmdt(GUI.sm_info.shmaddr);
if (GUI.sm_info.shmid >= 0)
shmctl(GUI.sm_info.shmid, IPC_RMID, 0);
GUI.image->xvimage = NULL;
}
else
#endif
{
free(GUI.image->xvimage->data);
//GUI.image->xvimage->data = NULL;
XFree(GUI.image->xvimage);
GUI.image->xvimage = NULL;
}
}
}
#endif
void S9xPutImage (int width, int height)
{
static int prevWidth = 0, prevHeight = 0;
int copyWidth, copyHeight;
Blitter blitFn = NULL;
if (GUI.video_mode == VIDEOMODE_BLOCKY || GUI.video_mode == VIDEOMODE_TV || GUI.video_mode == VIDEOMODE_SMOOTH)
if ((width <= SNES_WIDTH) && ((prevWidth != width) || (prevHeight != height)))
S9xBlitClearDelta();
if (width <= SNES_WIDTH)
{
if (height > SNES_HEIGHT_EXTENDED)
{
copyWidth = width * 2;
copyHeight = height;
blitFn = S9xBlitPixSimple2x1;
}
else
{
copyWidth = width * 2;
copyHeight = height * 2;
switch (GUI.video_mode)
{
case VIDEOMODE_BLOCKY: blitFn = S9xBlitPixSimple2x2; break;
case VIDEOMODE_TV: blitFn = S9xBlitPixTV2x2; break;
case VIDEOMODE_SMOOTH: blitFn = S9xBlitPixSmooth2x2; break;
case VIDEOMODE_SUPEREAGLE: blitFn = S9xBlitPixSuperEagle16; break;
case VIDEOMODE_2XSAI: blitFn = S9xBlitPix2xSaI16; break;
case VIDEOMODE_SUPER2XSAI: blitFn = S9xBlitPixSuper2xSaI16; break;
case VIDEOMODE_EPX: blitFn = S9xBlitPixEPX16; break;
case VIDEOMODE_HQ2X: blitFn = S9xBlitPixHQ2x16; break;
}
}
}
else
if (height <= SNES_HEIGHT_EXTENDED)
{
copyWidth = width;
copyHeight = height * 2;
switch (GUI.video_mode)
{
default: blitFn = S9xBlitPixSimple1x2; break;
case VIDEOMODE_TV: blitFn = S9xBlitPixTV1x2; break;
}
}
else
{
copyWidth = width;
copyHeight = height;
blitFn = S9xBlitPixSimple1x1;
}
blitFn((uint8 *) GFX.Screen, GFX.Pitch, GUI.blit_screen, GUI.blit_screen_pitch, width, height);
if (height < prevHeight)
{
int p = GUI.blit_screen_pitch >> 2;
for (int y = SNES_HEIGHT * 2; y < SNES_HEIGHT_EXTENDED * 2; y++)
{
uint32 *d = (uint32 *) (GUI.blit_screen + y * GUI.blit_screen_pitch);
for (int x = 0; x < p; x++)
*d++ = 0;
}
}
#ifdef USE_XVIDEO
// Adjust source blit region if SNES would only fill half the screen.
if (height <= SNES_HEIGHT_EXTENDED)
GUI.imageHeight = height * 2;
if (GUI.use_xvideo && (GUI.xv_format == FOURCC_YUY2))
{
uint16 *s = (uint16 *)GUI.blit_screen;
uint8 *d = (uint8 *)GUI.image->data;
// convert GUI.blit_screen and copy to XV image
for (int y = 0; y < copyHeight; y++)
{
for (int x = 0; x < SNES_WIDTH * 2; x += 2)
{
// Read two RGB pxls
// TODO: there is an assumption of endianness here...
// ALSO todo: The 0x7FFF works around some issue with S9xPutChar, where
// despite asking for RGB555 in InitImage, it insists on drawing with RGB565 instead.
// This may discolor messages but at least it doesn't overflow yuv-tables and crash.
unsigned short rgb1 = (*s & 0x7FFF); s++;
unsigned short rgb2 = (*s & 0x7FFF); s++;
// put two YUYV pxls
// lum1
*d = GUI.y_table[rgb1]; d++;
// U
*d = (GUI.u_table[rgb1] + GUI.u_table[rgb2]) / 2; d++;
// lum2
*d = GUI.y_table[rgb2]; d++;
// V
*d = (GUI.v_table[rgb1] + GUI.v_table[rgb2]) / 2; d++;
}
}
}
else
#endif
if (GUI.need_convert)
{
if (GUI.bytes_per_pixel == 3)
Convert16To24Packed(copyWidth, copyHeight);
else
Convert16To24(copyWidth, copyHeight);
}
Repaint(TRUE);
prevWidth = width;
prevHeight = height;
}
static void Convert16To24 (int width, int height)
{
if (GUI.pixel_format == 565)
{
for (int y = 0; y < height; y++)
{
uint16 *s = (uint16 *) (GUI.blit_screen + y * GUI.blit_screen_pitch);
uint32 *d = (uint32 *) (GUI.image->data + y * GUI.image->bytes_per_line);
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (((pixel >> 11) & 0x1f) << (GUI.red_shift + 3)) | (((pixel >> 6) & 0x1f) << (GUI.green_shift + 3)) | ((pixel & 0x1f) << (GUI.blue_shift + 3));
}
}
}
else
{
for (int y = 0; y < height; y++)
{
uint16 *s = (uint16 *) (GUI.blit_screen + y * GUI.blit_screen_pitch);
uint32 *d = (uint32 *) (GUI.image->data + y * GUI.image->bytes_per_line);
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (((pixel >> 10) & 0x1f) << (GUI.red_shift + 3)) | (((pixel >> 5) & 0x1f) << (GUI.green_shift + 3)) | ((pixel & 0x1f) << (GUI.blue_shift + 3));
}
}
}
}
static void Convert16To24Packed (int width, int height)
{
if (GUI.pixel_format == 565)
{
for (int y = 0; y < height; y++)
{
uint16 *s = (uint16 *) (GUI.blit_screen + y * GUI.blit_screen_pitch);
uint8 *d = (uint8 *) (GUI.image->data + y * GUI.image->bytes_per_line);
#ifdef LSB_FIRST
if (GUI.red_shift < GUI.blue_shift)
#else
if (GUI.red_shift > GUI.blue_shift)
#endif
{
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (pixel >> (11 - 3)) & 0xf8;
*d++ = (pixel >> (6 - 3)) & 0xf8;
*d++ = (pixel & 0x1f) << 3;
}
}
else
{
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (pixel & 0x1f) << 3;
*d++ = (pixel >> (6 - 3)) & 0xf8;
*d++ = (pixel >> (11 - 3)) & 0xf8;
}
}
}
}
else
{
for (int y = 0; y < height; y++)
{
uint16 *s = (uint16 *) (GUI.blit_screen + y * GUI.blit_screen_pitch);
uint8 *d = (uint8 *) (GUI.image->data + y * GUI.image->bytes_per_line);
#ifdef LSB_FIRST
if (GUI.red_shift < GUI.blue_shift)
#else
if (GUI.red_shift > GUI.blue_shift)
#endif
{
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (pixel >> (10 - 3)) & 0xf8;
*d++ = (pixel >> (5 - 3)) & 0xf8;
*d++ = (pixel & 0x1f) << 3;
}
}
else
{
for (int x = 0; x < width; x++)
{
uint32 pixel = *s++;
*d++ = (pixel & 0x1f) << 3;
*d++ = (pixel >> (5 - 3)) & 0xf8;
*d++ = (pixel >> (10 - 3)) & 0xf8;
}
}
}
}
}
static void Repaint (bool8 isFrameBoundry)
{
#ifdef USE_XVIDEO
if (GUI.use_xvideo)
{
#ifdef MITSHM
if (GUI.use_shared_memory)
{
XvShmPutImage(GUI.display, GUI.xv_port, GUI.window, GUI.gc, GUI.image->xvimage,
0, 0, SNES_WIDTH * 2, GUI.imageHeight,
GUI.x_offset, GUI.y_offset, GUI.scale_w, GUI.scale_h, False);
}
else
#endif
XvPutImage(GUI.display, GUI.xv_port, GUI.window, GUI.gc, GUI.image->xvimage,
0, 0, SNES_WIDTH * 2, GUI.imageHeight,
GUI.x_offset, GUI.y_offset, GUI.scale_w, GUI.scale_h);
}
else
#endif
#ifdef MITSHM
if (GUI.use_shared_memory)
{
XShmPutImage(GUI.display, GUI.window, GUI.gc, GUI.image->ximage, 0, 0, GUI.x_offset, GUI.y_offset, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, False);
XSync(GUI.display, False);
}
else
#endif
XPutImage(GUI.display, GUI.window, GUI.gc, GUI.image->ximage, 0, 0, GUI.x_offset, GUI.y_offset, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2);
Window root, child;
int root_x, root_y, x, y;
unsigned int mask;
// Use QueryPointer to sync X server and as a side effect also gets current pointer position for SNES mouse emulation.
XQueryPointer(GUI.display, GUI.window, &root, &child, &root_x, &root_y, &x, &y, &mask);
if (x >= 0 && y >= 0 && x < SNES_WIDTH * 2 && y < SNES_HEIGHT_EXTENDED * 2)
{
GUI.mouse_x = x >> 1;
GUI.mouse_y = y >> 1;
if (mask & Mod1Mask)
{
if (!GUI.mod1_pressed)
{
GUI.mod1_pressed = TRUE;
XDefineCursor(GUI.display, GUI.window, GUI.cross_hair_cursor);
}
}
else
if (GUI.mod1_pressed)
{
GUI.mod1_pressed = FALSE;
XDefineCursor(GUI.display, GUI.window, GUI.point_cursor);
}
}
if (Settings.DumpStreams && isFrameBoundry)
S9xVideoLogger(GUI.image->data, SNES_WIDTH * 2, SNES_HEIGHT_EXTENDED * 2, GUI.bytes_per_pixel, GUI.image->bytes_per_line);
}
void S9xTextMode (void)
{
SetXRepeat(TRUE);
}
void S9xGraphicsMode (void)
{
SetXRepeat(FALSE);
}
static bool8 CheckForPendingXEvents (Display *display)
{
#ifdef SELECT_BROKEN_FOR_SIGNALS
int arg = 0;
return (XEventsQueued(display, QueuedAlready) || (ioctl(ConnectionNumber(display), FIONREAD, &arg) == 0 && arg));
#else
return (XPending(display));
#endif
}
void S9xProcessEvents (bool8 block)
{
while (block || CheckForPendingXEvents(GUI.display))
{
XEvent event;
XNextEvent(GUI.display, &event);
block = FALSE;
switch (event.type)
{
case KeyPress:
case KeyRelease:
S9xReportButton(((event.xkey.state & (ShiftMask | Mod1Mask | ControlMask | Mod4Mask)) << 8) | event.xkey.keycode, event.type == KeyPress);
#if 1
{
KeyCode kc = XKeysymToKeycode(GUI.display, XKeycodeToKeysym(GUI.display, event.xkey.keycode, 0));
if (event.xkey.keycode != kc)
S9xReportButton(((event.xkey.state & (ShiftMask | Mod1Mask | ControlMask | Mod4Mask)) << 8) | kc, event.type == KeyPress);
}
#endif
break;
case FocusIn:
SetXRepeat(FALSE);
XFlush(GUI.display);
break;
case FocusOut:
SetXRepeat(TRUE);
XFlush(GUI.display);
break;
case ConfigureNotify:
break;
case ButtonPress:
case ButtonRelease:
S9xReportButton(0x40000000 | (event.xbutton.button - 1), event.type == ButtonPress);
break;
case Expose:
Repaint(FALSE);
break;
}
}
}
const char * S9xSelectFilename (const char *def, const char *dir1, const char *ext1, const char *title)
{
static char s[PATH_MAX + 1];
char buffer[PATH_MAX + 1];
SetXRepeat(TRUE);
printf("\n%s (default: %s): ", title, def);
fflush(stdout);
SetXRepeat(FALSE);
if (fgets(buffer, PATH_MAX + 1, stdin))
{
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
char *p = buffer;
while (isspace(*p))
p++;
if (!*p)
{
strncpy(buffer, def, PATH_MAX + 1);
buffer[PATH_MAX] = 0;
p = buffer;
}
char *q = strrchr(p, '\n');
if (q)
*q = 0;
_splitpath(p, drive, dir, fname, ext);
_makepath(s, drive, *dir ? dir : dir1, fname, *ext ? ext : ext1);
return (s);
}
return (NULL);
}
void S9xMessage (int type, int number, const char *message)
{
const int max = 36 * 3;
static char buffer[max + 1];
fprintf(stdout, "%s\n", message);
strncpy(buffer, message, max + 1);
buffer[max] = 0;
S9xSetInfoString(buffer);
}
const char * S9xStringInput (const char *message)
{
static char buffer[256];
printf("%s: ", message);
fflush(stdout);
if (fgets(buffer, sizeof(buffer) - 2, stdin))
return (buffer);
return (NULL);
}
void S9xSetTitle (const char *string)
{
XStoreName(GUI.display, GUI.window, string);
XFlush(GUI.display);
}
static void SetXRepeat (bool8 state)
{
if (state)
XAutoRepeatOn(GUI.display);
else
XAutoRepeatOff(GUI.display);
}
s9xcommand_t S9xGetDisplayCommandT (const char *n)
{
s9xcommand_t cmd;
cmd.type = S9xBadMapping;
cmd.multi_press = 0;
cmd.button_norpt = 0;
cmd.port[0] = 0xff;
cmd.port[1] = 0;
cmd.port[2] = 0;
cmd.port[3] = 0;
return (cmd);
}
char * S9xGetDisplayCommandName (s9xcommand_t cmd)
{
return (strdup("None"));
}
void S9xHandleDisplayCommand (s9xcommand_t cmd, int16 data1, int16 data2)
{
return;
}
bool8 S9xMapDisplayInput (const char *n, s9xcommand_t *cmd)
{
int i, d;
if (!isdigit(n[1]) || !isdigit(n[2]) || n[3] != ':')
goto unrecog;
d = ((n[1] - '0') * 10 + (n[2] - '0')) << 24;
switch (n[0])
{
case 'K':
{
KeyCode kc;
KeySym ks;
d |= 0x00000000;
for (i = 4; n[i] != '\0' && n[i] != '+'; i++) ;
if (n[i] == '\0' || i == 4)
i = 4;
else
{
for (i = 4; n[i] != '+'; i++)
{
switch (n[i])
{
case 'S': d |= ShiftMask << 8; break;
case 'C': d |= ControlMask << 8; break;
case 'A': d |= Mod1Mask << 8; break;
case 'M': d |= Mod4Mask << 8; break;
default: goto unrecog;
}
}
i++;
}
if ((ks = XStringToKeysym(n + i)) == NoSymbol)
goto unrecog;
if ((kc = XKeysymToKeycode(GUI.display, ks)) == 0)
goto unrecog;
d |= kc & 0xff;
return (S9xMapButton(d, *cmd, false));
}
case 'M':
{
char *c;
int j;
d |= 0x40000000;
if (!strncmp(n + 4, "Pointer", 7))
{
d |= 0x8000;
if (n[11] == '\0')
return (S9xMapPointer(d, *cmd, true));
i = 11;
}
else
if (n[4] == 'B')
i = 5;
else
goto unrecog;
d |= j = strtol(n + i, &c, 10);
if ((c != NULL && *c != '\0') || j > 0x7fff)
goto unrecog;
if (d & 0x8000)
return (S9xMapPointer(d, *cmd, true));
return (S9xMapButton(d, *cmd, false));
}
default:
break;
}
unrecog:
char *err = new char[strlen(n) + 34];
sprintf(err, "Unrecognized input device name '%s'", n);
perror(err);
delete [] err;
return (false);
}
bool S9xDisplayPollButton (uint32 id, bool *pressed)
{
return (false);
}
bool S9xDisplayPollAxis (uint32 id, int16 *value)
{
return (false);
}
bool S9xDisplayPollPointer (uint32 id, int16 *x, int16 *y)
{
if ((id & 0xc0008000) != 0x40008000)
return (false);
int d = (id >> 24) & 0x3f,
n = id & 0x7fff;
if (d != 0 || n != 0)
return (false);
*x = GUI.mouse_x;
*y = GUI.mouse_y;
return (true);
}
void S9xSetPalette (void)
{
return;
}
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