Import SDL release-1.2.15

Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf

7 files changed, 912 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents.c b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents.c
new file mode 100644
index 0000000..d963fe1
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents.c
@@ -0,0 +1,264 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* Handle the event stream, converting GGI events into SDL events */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+
+#include <ggi/keyboard.h>
+
+#include "SDL_ggikeys.h"
+
+#include "SDL.h"
+#include "../SDL_sysvideo.h"
+#include "../../events/SDL_sysevents.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_ggivideo.h"
+#include "SDL_ggievents_c.h"
+
+/* The translation tables from a GGI keycode to a SDL keysym */
+static SDLKey keymap[128];
+static SDL_keysym *GGI_TranslateKey(ggi_event *ev, SDL_keysym *keysym);
+
+static int posted = 0;
+
+void GGI_PumpEvents(_THIS)
+{
+	struct timeval *tvp, tv = { 0, 0 };
+	ggi_event ev;
+
+	tvp = &tv;
+	
+/*	ggiFlush(VIS); */
+	
+	while (ggiEventPoll(VIS, emAll, tvp))
+/*	while (ggiEventPoll(VIS, (emKeyboard | emPointer | emCommand), tvp)) */
+	{
+		int queueevent_mouse = 0, queueevent_kbd = 0;
+		static int buttons = 0;
+		static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
+		int x = 0, y = 0, z = 0, rx = 0, ry = 0, rz = 0;
+		int pressed_mouse, pressed_kbd;
+		SDL_keysym keysym;
+		
+		posted = 0;
+
+		/* FIXME: We do not actually want all events, only
+		 * mouse and keyboard events.  Having to handle all
+                 * events will slow things down.  */
+
+		ggiEventRead(VIS, &ev, emAll);
+/*		ggiEventRead(VIS, &ev, (emKeyboard | emPointer | emCommand)); */
+		
+		switch (ev.any.type)
+		{
+			case evPtrRelative:
+			x = ev.pmove.x;
+			y = ev.pmove.y;
+			z = ev.pmove.wheel;
+			posted += SDL_PrivateMouseMotion(0, 1, x, y);
+			break;
+			case evPtrAbsolute:
+			if (mouse_x != ev.pmove.x || mouse_y != ev.pmove.y || mouse_z != ev.pmove.wheel)
+			{
+				x = ev.pmove.x - mouse_x;
+				y = ev.pmove.y - mouse_y;
+				z = ev.pmove.wheel - mouse_z;
+				mouse_x = ev.pmove.x;
+				mouse_y = ev.pmove.y;
+				mouse_z = ev.pmove.wheel;
+				posted += SDL_PrivateMouseMotion(0, 1, x, y);
+			} 
+			break;
+			case evPtrButtonPress:
+			posted += SDL_PrivateMouseButton(SDL_PRESSED, ev.pbutton.button, 0, 0);
+			break;
+			case evPtrButtonRelease:
+			posted += SDL_PrivateMouseButton(SDL_RELEASED, ev.pbutton.button, 0, 0);
+			break;
+			case evKeyPress:
+			case evKeyRepeat:
+			posted += SDL_PrivateKeyboard(SDL_PRESSED, GGI_TranslateKey(&ev, &keysym));
+			break;
+			case evKeyRelease:
+			posted += SDL_PrivateKeyboard(SDL_RELEASED, GGI_TranslateKey(&ev, &keysym));
+			break;
+			case evCommand:
+			fprintf(stderr, "Command event %x recieved\n", ev.cmd.code);
+			break;
+ 			default:
+			fprintf(stderr, "Unhandled event type %d\n", ev.any.type);
+			break;
+		}
+	}
+
+}
+
+void GGI_InitOSKeymap(_THIS)
+{
+	int i;
+	
+	/* Initialize the GGI key translation table */
+	for ( i=0; i<SDL_arraysize(keymap); ++i )
+		keymap[i] = SDLK_UNKNOWN;
+	
+	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
+	keymap[SCANCODE_1] = SDLK_1;
+	keymap[SCANCODE_2] = SDLK_2;
+	keymap[SCANCODE_3] = SDLK_3;
+	keymap[SCANCODE_4] = SDLK_4;
+	keymap[SCANCODE_5] = SDLK_5;
+	keymap[SCANCODE_6] = SDLK_6;
+	keymap[SCANCODE_7] = SDLK_7;
+	keymap[SCANCODE_8] = SDLK_8;
+	keymap[SCANCODE_9] = SDLK_9;
+	keymap[SCANCODE_0] = SDLK_0;
+	keymap[SCANCODE_MINUS] = SDLK_MINUS;
+	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
+	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
+	keymap[SCANCODE_TAB] = SDLK_TAB;
+	keymap[SCANCODE_Q] = SDLK_q;
+	keymap[SCANCODE_W] = SDLK_w;
+	keymap[SCANCODE_E] = SDLK_e;
+	keymap[SCANCODE_R] = SDLK_r;
+	keymap[SCANCODE_T] = SDLK_t;
+	keymap[SCANCODE_Y] = SDLK_y;
+	keymap[SCANCODE_U] = SDLK_u;
+	keymap[SCANCODE_I] = SDLK_i;
+	keymap[SCANCODE_O] = SDLK_o;
+	keymap[SCANCODE_P] = SDLK_p;
+	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
+	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
+	keymap[SCANCODE_ENTER] = SDLK_RETURN;
+	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
+	keymap[SCANCODE_A] = SDLK_a;
+	keymap[SCANCODE_S] = SDLK_s;
+	keymap[SCANCODE_D] = SDLK_d;
+	keymap[SCANCODE_F] = SDLK_f;
+	keymap[SCANCODE_G] = SDLK_g;
+	keymap[SCANCODE_H] = SDLK_h;
+	keymap[SCANCODE_J] = SDLK_j;
+	keymap[SCANCODE_K] = SDLK_k;
+	keymap[SCANCODE_L] = SDLK_l;
+	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
+	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
+	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
+	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
+	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
+	keymap[SCANCODE_Z] = SDLK_z;
+	keymap[SCANCODE_X] = SDLK_x;
+	keymap[SCANCODE_C] = SDLK_c;
+	keymap[SCANCODE_V] = SDLK_v;
+	keymap[SCANCODE_B] = SDLK_b;
+	keymap[SCANCODE_N] = SDLK_n;
+	keymap[SCANCODE_M] = SDLK_m;
+	keymap[SCANCODE_COMMA] = SDLK_COMMA;
+	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
+	keymap[SCANCODE_SLASH] = SDLK_SLASH;
+	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
+	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
+	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
+	keymap[SCANCODE_SPACE] = SDLK_SPACE;
+	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
+	keymap[SCANCODE_F1] = SDLK_F1;
+	keymap[SCANCODE_F2] = SDLK_F2;
+	keymap[SCANCODE_F3] = SDLK_F3;
+	keymap[SCANCODE_F4] = SDLK_F4;
+	keymap[SCANCODE_F5] = SDLK_F5;
+	keymap[SCANCODE_F6] = SDLK_F6;
+	keymap[SCANCODE_F7] = SDLK_F7;
+	keymap[SCANCODE_F8] = SDLK_F8;
+	keymap[SCANCODE_F9] = SDLK_F9;
+	keymap[SCANCODE_F10] = SDLK_F10;
+	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
+	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
+	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
+	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
+	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
+	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
+	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
+	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
+	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
+	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
+	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
+	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
+	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
+	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
+	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
+	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
+	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
+	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
+	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
+	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
+	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
+	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
+	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
+	keymap[SCANCODE_LESS] = SDLK_LESS;
+	keymap[SCANCODE_F11] = SDLK_F11;
+	keymap[SCANCODE_F12] = SDLK_F12;
+	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
+	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
+	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
+	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
+	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
+	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
+	keymap[SCANCODE_BREAK] = SDLK_BREAK;
+	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
+	keymap[SCANCODE_HOME] = SDLK_HOME;
+	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
+	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
+	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
+	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
+	keymap[SCANCODE_END] = SDLK_END;
+	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
+	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
+	keymap[SCANCODE_INSERT] = SDLK_INSERT;
+	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
+	keymap[119] = SDLK_PAUSE;
+	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
+	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
+	keymap[127] = SDLK_MENU;
+}
+
+
+
+static SDL_keysym *GGI_TranslateKey(gii_event *ev, SDL_keysym *keysym)
+{
+	/* Set the keysym information */
+	keysym->scancode = ev->key.button;
+	keysym->sym = keymap[ev->key.button];
+	keysym->mod = KMOD_NONE;
+
+	/* If UNICODE is on, get the UNICODE value for the key */
+	keysym->unicode = 0;
+	if (SDL_TranslateUNICODE) 
+	{
+		keysym->unicode = GII_UNICODE(ev->key.sym);
+	}
+
+	return keysym;
+}
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents_c.h b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents_c.h
new file mode 100755
index 0000000..2c66106
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggievents_c.h
@@ -0,0 +1,29 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_ggivideo.h"
+
+/* Functions to be exported */
+extern void GGI_InitOSKeymap(_THIS);
+extern void GGI_PumpEvents(_THIS);
+
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggikeys.h b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggikeys.h
new file mode 100644
index 0000000..2868ee6
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggikeys.h
@@ -0,0 +1,135 @@
+
+#define SCANCODE_ESCAPE			1
+
+#define SCANCODE_1			2
+#define SCANCODE_2			3
+#define SCANCODE_3			4
+#define SCANCODE_4			5
+#define SCANCODE_5			6
+#define SCANCODE_6			7
+#define SCANCODE_7			8
+#define SCANCODE_8			9
+#define SCANCODE_9			10
+#define SCANCODE_0			11
+
+#define SCANCODE_MINUS			12
+#define SCANCODE_EQUAL			13
+
+#define SCANCODE_BACKSPACE		14
+#define SCANCODE_TAB			15
+
+#define SCANCODE_Q			16
+#define SCANCODE_W			17
+#define SCANCODE_E			18
+#define SCANCODE_R			19
+#define SCANCODE_T			20
+#define SCANCODE_Y			21
+#define SCANCODE_U			22
+#define SCANCODE_I			23
+#define SCANCODE_O			24
+#define SCANCODE_P			25
+#define SCANCODE_BRACKET_LEFT		26
+#define SCANCODE_BRACKET_RIGHT		27
+
+#define SCANCODE_ENTER			28
+
+#define SCANCODE_LEFTCONTROL		29
+
+#define SCANCODE_A			30
+#define SCANCODE_S			31
+#define SCANCODE_D			32
+#define SCANCODE_F			33
+#define SCANCODE_G			34
+#define SCANCODE_H			35
+#define SCANCODE_J			36
+#define SCANCODE_K			37
+#define SCANCODE_L			38
+#define SCANCODE_SEMICOLON		39
+#define SCANCODE_APOSTROPHE		40
+#define SCANCODE_GRAVE			41
+
+#define SCANCODE_LEFTSHIFT		42
+#define SCANCODE_BACKSLASH		43
+
+#define SCANCODE_Z			44
+#define SCANCODE_X			45
+#define SCANCODE_C			46
+#define SCANCODE_V			47
+#define SCANCODE_B			48
+#define SCANCODE_N			49
+#define SCANCODE_M			50
+#define SCANCODE_COMMA			51
+#define SCANCODE_PERIOD			52
+#define SCANCODE_SLASH			53
+
+#define SCANCODE_RIGHTSHIFT		54
+#define SCANCODE_KEYPADMULTIPLY		55
+
+#define SCANCODE_LEFTALT		56
+#define SCANCODE_SPACE			57
+#define SCANCODE_CAPSLOCK		58
+
+#define SCANCODE_F1			59
+#define SCANCODE_F2			60
+#define SCANCODE_F3			61
+#define SCANCODE_F4			62
+#define SCANCODE_F5			63
+#define SCANCODE_F6			64
+#define SCANCODE_F7			65
+#define SCANCODE_F8			66
+#define SCANCODE_F9			67
+#define SCANCODE_F10			68
+
+#define SCANCODE_NUMLOCK		69
+#define SCANCODE_SCROLLLOCK		70
+
+#define SCANCODE_KEYPAD7		71
+#define SCANCODE_CURSORUPLEFT		71
+#define SCANCODE_KEYPAD8		72
+#define SCANCODE_CURSORUP		72
+#define SCANCODE_KEYPAD9		73
+#define SCANCODE_CURSORUPRIGHT		73
+#define SCANCODE_KEYPADMINUS		74
+#define SCANCODE_KEYPAD4		75
+#define SCANCODE_CURSORLEFT		75
+#define SCANCODE_KEYPAD5		76
+#define SCANCODE_KEYPAD6		77
+#define SCANCODE_CURSORRIGHT		77
+#define SCANCODE_KEYPADPLUS		78
+#define SCANCODE_KEYPAD1		79
+#define SCANCODE_CURSORDOWNLEFT		79
+#define SCANCODE_KEYPAD2		80
+#define SCANCODE_CURSORDOWN		80
+#define SCANCODE_KEYPAD3		81
+#define SCANCODE_CURSORDOWNRIGHT	81
+#define SCANCODE_KEYPAD0		82
+#define SCANCODE_KEYPADPERIOD		83
+
+#define SCANCODE_LESS			86
+
+#define SCANCODE_F11			87
+#define SCANCODE_F12			88
+
+#define SCANCODE_KEYPADENTER		96
+#define SCANCODE_RIGHTCONTROL		97
+#define SCANCODE_CONTROL		97
+#define SCANCODE_KEYPADDIVIDE		98
+#define SCANCODE_PRINTSCREEN		99
+#define SCANCODE_RIGHTALT		100
+#define SCANCODE_BREAK			101	/* Beware: is 119     */
+#define SCANCODE_BREAK_ALTERNATIVE	119	/* on some keyboards! */
+
+#define SCANCODE_HOME			102
+#define SCANCODE_CURSORBLOCKUP		90	/* Cursor key block */
+#define SCANCODE_PAGEUP			104
+#define SCANCODE_CURSORBLOCKLEFT	92	/* Cursor key block */
+#define SCANCODE_CURSORBLOCKRIGHT	94	/* Cursor key block */
+#define SCANCODE_END			107
+#define SCANCODE_CURSORBLOCKDOWN	108	/* Cursor key block */
+#define SCANCODE_PAGEDOWN		109
+#define SCANCODE_INSERT			110
+#define SCANCODE_REMOVE			111
+
+#define SCANCODE_RIGHTWIN		126
+#define SCANCODE_LEFTWIN		125
+
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse.c b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse.c
new file mode 100644
index 0000000..52c5337
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse.c
@@ -0,0 +1,32 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_mouse.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_ggimouse_c.h"
+
+
+/* The implementation dependent data for the window manager cursor */
+struct WMcursor {
+	int unused;
+};
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse_c.h b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse_c.h
new file mode 100755
index 0000000..c0ce295
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggimouse_c.h
@@ -0,0 +1,26 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#include "SDL_ggivideo.h"
+
+/* Functions to be exported */
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.c b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.c
new file mode 100644
index 0000000..face495
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.c
@@ -0,0 +1,378 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* GGI-based SDL video driver implementation.
+*/
+
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include <ggi/ggi.h>
+#include <ggi/gii.h>
+
+#include "SDL_video.h"
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+#include "../SDL_pixels_c.h"
+#include "../../events/SDL_events_c.h"
+#include "SDL_ggivideo.h"
+#include "SDL_ggimouse_c.h"
+#include "SDL_ggievents_c.h"
+
+
+struct private_hwdata
+{
+	ggi_visual_t vis;
+};
+
+ggi_visual_t VIS;
+
+/* Initialization/Query functions */
+static int GGI_VideoInit(_THIS, SDL_PixelFormat *vformat);
+static SDL_Rect **GGI_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
+static SDL_Surface *GGI_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
+static int GGI_SetColors(_THIS, int firstcolor, int ncolors,
+			 SDL_Color *colors);
+static void GGI_VideoQuit(_THIS);
+
+/* Hardware surface functions */
+static int GGI_AllocHWSurface(_THIS, SDL_Surface *surface);
+static int GGI_LockHWSurface(_THIS, SDL_Surface *surface);
+static void GGI_UnlockHWSurface(_THIS, SDL_Surface *surface);
+static void GGI_FreeHWSurface(_THIS, SDL_Surface *surface);
+
+/* GGI driver bootstrap functions */
+
+static int GGI_Available(void)
+{
+	ggi_visual_t *vis;
+
+	vis = NULL;
+	if (ggiInit() == 0) {
+		vis = ggiOpen(NULL);
+		if (vis != NULL) {
+			ggiClose(vis);
+		}
+	}
+	return (vis != NULL);
+}
+
+static void GGI_DeleteDevice(SDL_VideoDevice *device)
+{
+	SDL_free(device->hidden);
+	SDL_free(device);
+}
+
+static SDL_VideoDevice *GGI_CreateDevice(int devindex)
+{
+	SDL_VideoDevice *device;
+
+	/* Initialize all variables that we clean on shutdown */
+	device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
+	if ( device ) {
+		SDL_memset(device, 0, (sizeof *device));
+		device->hidden = (struct SDL_PrivateVideoData *)
+				SDL_malloc((sizeof *device->hidden));
+	}
+	if ( (device == NULL) || (device->hidden == NULL) ) {
+		SDL_OutOfMemory();
+		if ( device ) {
+			SDL_free(device);
+		}
+		return(0);
+	}
+	SDL_memset(device->hidden, 0, (sizeof *device->hidden));
+
+	/* Set the function pointers */
+	device->VideoInit = GGI_VideoInit;
+	device->ListModes = GGI_ListModes;
+	device->SetVideoMode = GGI_SetVideoMode;
+	device->SetColors = GGI_SetColors;
+	device->UpdateRects = NULL;
+	device->VideoQuit = GGI_VideoQuit;
+	device->AllocHWSurface = GGI_AllocHWSurface;
+	device->CheckHWBlit = NULL;
+	device->FillHWRect = NULL;
+	device->SetHWColorKey = NULL;
+	device->SetHWAlpha = NULL;
+	device->LockHWSurface = GGI_LockHWSurface;
+	device->UnlockHWSurface = GGI_UnlockHWSurface;
+	device->FlipHWSurface = NULL;
+	device->FreeHWSurface = GGI_FreeHWSurface;
+	device->SetCaption = NULL;
+	device->SetIcon = NULL;
+	device->IconifyWindow = NULL;
+	device->GrabInput = NULL;
+	device->GetWMInfo = NULL;
+	device->InitOSKeymap = GGI_InitOSKeymap;
+	device->PumpEvents = GGI_PumpEvents;
+
+	device->free = GGI_DeleteDevice;
+
+	return device;
+}
+
+VideoBootStrap GGI_bootstrap = {
+	"ggi", "General Graphics Interface (GGI)",
+	GGI_Available, GGI_CreateDevice
+};
+
+
+static SDL_Rect video_mode;
+static SDL_Rect *SDL_modelist[4] = { NULL, NULL, NULL, NULL };
+
+int GGI_VideoInit(_THIS, SDL_PixelFormat *vformat)
+{
+	ggi_mode mode =
+	{
+		1,
+		{ GGI_AUTO, GGI_AUTO },
+		{ GGI_AUTO, GGI_AUTO },
+		{ 0, 0 },
+		GT_AUTO,
+		{ GGI_AUTO, GGI_AUTO }
+	};	
+	struct private_hwdata *priv;
+	ggi_color pal[256], map[256];
+	const ggi_directbuffer *db;
+	int err, num_bufs;
+	ggi_pixel white, black;
+	
+	priv = SDL_malloc(sizeof(struct private_hwdata));
+	if (priv == NULL)
+	{
+		SDL_SetError("Unhandled GGI mode type!\n");
+		GGI_VideoQuit(NULL);
+	}
+	
+	if (ggiInit() != 0)
+	{
+		SDL_SetError("Unable to initialize GGI!\n");
+		GGI_VideoQuit(NULL);
+	}
+	
+	VIS = ggiOpen(NULL);
+	if (VIS == NULL)
+	{
+		SDL_SetError("Unable to open default GGI visual!\n");
+		ggiExit();
+		GGI_VideoQuit(NULL);
+	}
+	
+	ggiSetFlags(VIS, GGIFLAG_ASYNC);
+	
+	/* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */
+	ggiCheckMode(VIS, &mode);
+	
+	/* At this point we should have a valid mode - try to set it */
+	err = ggiSetMode(VIS, &mode);
+	
+	/* If we couldn't set _any_ modes, something is very wrong */
+	if (err)
+	{
+		SDL_SetError("Can't set a mode!\n");
+		ggiClose(VIS);
+		ggiExit();
+		GGI_VideoQuit(NULL);
+	}
+
+	/* Determine the current screen size */
+	this->info.current_w = mode.virt.x;
+	this->info.current_h = mode.virt.y;
+
+	/* Set a palette for palletized modes */
+	if (GT_SCHEME(mode.graphtype) == GT_PALETTE)
+	{
+		ggiSetColorfulPalette(VIS);
+		ggiGetPalette(VIS, 0, 1 << vformat->BitsPerPixel, pal);
+	}
+	
+	/* Now we try to get the DirectBuffer info, which determines whether
+	 * SDL can access hardware surfaces directly. */
+	
+	num_bufs = ggiDBGetNumBuffers(VIS);
+
+	if (num_bufs > 0)
+	{
+		db = ggiDBGetBuffer(VIS, 0); /* Only handle one DB for now */
+		
+		vformat->BitsPerPixel = db->buffer.plb.pixelformat->depth;
+		
+		vformat->Rmask = db->buffer.plb.pixelformat->red_mask;
+		vformat->Gmask = db->buffer.plb.pixelformat->green_mask;
+		vformat->Bmask = db->buffer.plb.pixelformat->blue_mask;
+		
+		/* Fill in our hardware acceleration capabilities */
+	
+		this->info.wm_available = 0;
+		this->info.hw_available = 1;
+		this->info.video_mem = db->buffer.plb.stride * mode.virt.y;
+	}
+
+	video_mode.x = 0;
+	video_mode.y = 0;
+	video_mode.w = mode.virt.x;
+	video_mode.h = mode.virt.y;
+	SDL_modelist[((vformat->BitsPerPixel + 7) / 8) - 1] = &video_mode;
+
+	/* We're done! */
+	return(0);
+}
+
+static SDL_Rect **GGI_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
+{
+	return(&SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1]);
+}
+
+/* Various screen update functions available */
+static void GGI_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
+
+SDL_Surface *GGI_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags)
+{
+	ggi_mode mode =
+	{
+		1,
+		{ GGI_AUTO, GGI_AUTO },
+		{ GGI_AUTO, GGI_AUTO },
+		{ 0, 0 },
+		GT_AUTO,
+		{ GGI_AUTO, GGI_AUTO }
+	};
+        const ggi_directbuffer *db;
+	ggi_color pal[256];
+	int err;
+
+	fprintf(stderr, "GGI_SetVideoMode()\n");
+	
+	mode.visible.x = mode.virt.x = width;
+	mode.visible.y = mode.virt.y = height;
+	
+	/* Translate requested SDL bit depth into a GGI mode */	
+	switch (bpp)
+	{
+		case 1:  mode.graphtype = GT_1BIT;  break;
+		case 2:  mode.graphtype = GT_2BIT;  break;
+		case 4:  mode.graphtype = GT_4BIT;  break;
+		case 8:  mode.graphtype = GT_8BIT;  break;
+		case 15: mode.graphtype = GT_15BIT; break;
+		case 16: mode.graphtype = GT_16BIT; break;
+		case 24: mode.graphtype = GT_24BIT; break;
+		case 32: mode.graphtype = GT_32BIT; break;
+		default:
+		SDL_SetError("Unknown SDL bit depth, using GT_AUTO....\n");
+		mode.graphtype = GT_AUTO;
+	}
+	
+	/* Validate mode, autodetecting any GGI_AUTO or GT_AUTO fields */
+	ggiCheckMode(VIS, &mode);
+	
+	/* At this point we should have a valid mode - try to set it */
+	err = ggiSetMode(VIS, &mode);
+
+	/* If we couldn't set _any_ modes, something is very wrong */
+	if (err)
+	{
+		SDL_SetError("Can't set a mode!\n");
+		ggiClose(VIS);
+		ggiExit();
+		GGI_VideoQuit(NULL);
+	}
+	
+	/* Set a palette for palletized modes */
+	if (GT_SCHEME(mode.graphtype) == GT_PALETTE)
+	{
+		ggiSetColorfulPalette(VIS);
+		ggiGetPalette(VIS, 0, 1 << bpp, pal);
+	}
+	
+	db = ggiDBGetBuffer(VIS, 0);
+	
+	/* Set up the new mode framebuffer */
+	current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE);
+	current->w = mode.virt.x;
+	current->h = mode.virt.y;
+	current->pitch = db->buffer.plb.stride;
+	current->pixels = db->read;
+
+	/* Set the blit function */
+	this->UpdateRects = GGI_DirectUpdate;
+
+	/* We're done */
+	return(current);
+}
+
+static int GGI_AllocHWSurface(_THIS, SDL_Surface *surface)
+{
+	return(-1);
+}
+static void GGI_FreeHWSurface(_THIS, SDL_Surface *surface)
+{
+	return;
+}
+static int GGI_LockHWSurface(_THIS, SDL_Surface *surface)
+{
+	return(0);
+}
+static void GGI_UnlockHWSurface(_THIS, SDL_Surface *surface)
+{
+	return;
+}
+
+static void GGI_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
+{
+	int i;
+	
+/*	ggiFlush(VIS); */
+	
+	for (i = 0; i < numrects; i++)
+	{
+		ggiFlushRegion(VIS, rects[i].x, rects[i].y, rects[i].w, rects[i].h);
+	}
+	return;
+}
+
+int GGI_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
+{
+	int i;
+	ggi_color pal[256];
+
+	/* Set up the colormap */
+	for (i = 0; i < ncolors; i++)
+	{
+		pal[i].r = (colors[i].r << 8) | colors[i].r;
+		pal[i].g = (colors[i].g << 8) | colors[i].g;
+		pal[i].b = (colors[i].b << 8) | colors[i].b;
+	}
+	
+	ggiSetPalette(VIS, firstcolor, ncolors, pal);
+	
+	return 1;
+}
+	
+void GGI_VideoQuit(_THIS)
+{
+}
+void GGI_FinalQuit(void) 
+{
+}
diff --git a/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.h b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.h
new file mode 100644
index 0000000..014dd09
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/video/ggi/SDL_ggivideo.h
@@ -0,0 +1,48 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_ggivideo_h
+#define _SDL_ggivideo_h
+
+#include <ggi/ggi.h>
+
+#include "SDL_mouse.h"
+#include "../SDL_sysvideo.h"
+
+#define _THIS SDL_VideoDevice *this
+
+/* Private display data */
+
+struct SDL_PrivateVideoData
+{
+	ggi_visual_t *ggivis;
+};
+
+extern ggi_visual_t VIS; /* FIXME: use the private data struct */
+
+extern int SDL_OpenKeyboard(void);
+extern void SDL_CloseKeyboard(void);
+extern int SDL_OpenMouse(void);
+extern void SDL_CloseMouse(void);
+
+#endif /* _SDL_ggivideo_h */