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Nobody has stepped up to maintain an svgalib driver. Bye bye! :)

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This commit is contained in:
Sam Lantinga 2011-01-19 22:21:31 -08:00
parent 75ed99ed6a
commit 008911fd8a
11 changed files with 1 additions and 1220 deletions
Download patch file Download diff file Expand all files Collapse all files

2
SDL.spec.in
View file

@ -39,7 +39,7 @@ to develop SDL applications.
%build
%ifos linux
CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-aalib --disable-video-directfb --disable-video-ggi --disable-video-svga
CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-directfb
%else
%configure
%endif

31
configure.in
View file

@ -1586,36 +1586,6 @@ CheckPS3()
fi
}
dnl Find the SVGAlib includes and libraries
CheckSVGA()
{
AC_ARG_ENABLE(video-svga,
AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [[default=no]]]),
, enable_video_svga=no)
if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
video_svga=no
AC_TRY_COMPILE([
#include <vga.h>
#include <vgamouse.h>
#include <vgakeyboard.h>
],[
if ( SCANCODE_RIGHTWIN && SCANCODE_LEFTWIN ) {
exit(0);
}
],[
video_svga=yes
])
AC_MSG_RESULT($video_svga)
if test x$video_svga = xyes; then
AC_DEFINE(SDL_VIDEO_DRIVER_SVGALIB)
SOURCES="$SOURCES $srcdir/src/video/svga/*.c"
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lvga"
have_video=yes
fi
fi
}
dnl rcg04172001 Set up the Null video driver.
CheckDummyVideo()
{
@ -2276,7 +2246,6 @@ case "$host" in
CheckDirectFB
CheckFusionSound
CheckPS3
CheckSVGA
CheckOpenGLX11
CheckInputEvents
CheckTslib

1
include/SDL_config.h.in
View file

@ -266,7 +266,6 @@
#undef SDL_VIDEO_DRIVER_QNXGF
#undef SDL_VIDEO_DRIVER_PS3
#undef SDL_VIDEO_DRIVER_RISCOS
#undef SDL_VIDEO_DRIVER_SVGALIB
#undef SDL_VIDEO_DRIVER_WIN32
#undef SDL_VIDEO_DRIVER_X11
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC

3
src/video/SDL_sysvideo.h
View file

@ -414,9 +414,6 @@ extern VideoBootStrap DirectFB_bootstrap;
#if SDL_VIDEO_DRIVER_PS3
extern VideoBootStrap PS3_bootstrap;
#endif
#if SDL_VIDEO_DRIVER_SVGALIB
extern VideoBootStrap SVGALIB_bootstrap;
#endif
#if SDL_VIDEO_DRIVER_WIN32
extern VideoBootStrap WIN32_bootstrap;
#endif

3
src/video/SDL_video.c
View file

@ -68,9 +68,6 @@ static VideoBootStrap *bootstrap[] = {
#if SDL_VIDEO_DRIVER_PS3
&PS3_bootstrap,
#endif
#if SDL_VIDEO_DRIVER_SVGALIB
&SVGALIB_bootstrap,
#endif
#if SDL_VIDEO_DRIVER_WIN32
&WIN32_bootstrap,
#endif

420
src/video/svga/SDL_svgaevents.c
View file

@ -1,420 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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 X11 events into SDL events */
#include <vga.h>
#include <vgamouse.h>
#include <vgakeyboard.h>
#if defined(__LINUX__)
#include <linux/kd.h>
#include <linux/keyboard.h>
#elif defined(__FREEBSD__)
#include <sys/kbio.h>
#else
#error You must choose your operating system here
#endif
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
#include "SDL_svgavideo.h"
#include "SDL_svgaevents_c.h"
/* The translation tables from a console scancode to a SDL keysym */
#if defined(linux)
#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT)
static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
#elif defined(__FREEBSD__)
/* FIXME: Free the keymap when we shut down the video mode */
static keymap_t *vga_keymap = NULL;
#else
#error You must choose your operating system here
#endif
static SDLKey keymap[128];
static SDL_keysym *TranslateKey(int scancode, SDL_keysym * keysym);
/* Ugh, we have to duplicate the kernel's keysym mapping code...
Oh, it's not so bad. :-)
FIXME: Add keyboard LED handling code
*/
#if defined(linux)
int
SVGA_initkeymaps(int fd)
{
struct kbentry entry;
int map, i;
/* Load all the keysym mappings */
for (map = 0; map < NUM_VGAKEYMAPS; ++map) {
SDL_memset(vga_keymap[map], 0, NR_KEYS * sizeof(Uint16));
for (i = 0; i < NR_KEYS; ++i) {
entry.kb_table = map;
entry.kb_index = i;
if (ioctl(fd, KDGKBENT, &entry) == 0) {
/* The "Enter" key is a special case */
if (entry.kb_value == K_ENTER) {
entry.kb_value = K(KT_ASCII, 13);
}
/* Handle numpad specially as well */
if (KTYP(entry.kb_value) == KT_PAD) {
switch (entry.kb_value) {
case K_P0:
case K_P1:
case K_P2:
case K_P3:
case K_P4:
case K_P5:
case K_P6:
case K_P7:
case K_P8:
case K_P9:
vga_keymap[map][i] = entry.kb_value;
vga_keymap[map][i] += '0';
break;
case K_PPLUS:
vga_keymap[map][i] = K(KT_ASCII, '+');
break;
case K_PMINUS:
vga_keymap[map][i] = K(KT_ASCII, '-');
break;
case K_PSTAR:
vga_keymap[map][i] = K(KT_ASCII, '*');
break;
case K_PSLASH:
vga_keymap[map][i] = K(KT_ASCII, '/');
break;
case K_PENTER:
vga_keymap[map][i] = K(KT_ASCII, '\r');
break;
case K_PCOMMA:
vga_keymap[map][i] = K(KT_ASCII, ',');
break;
case K_PDOT:
vga_keymap[map][i] = K(KT_ASCII, '.');
break;
default:
break;
}
}
/* Do the normal key translation */
if ((KTYP(entry.kb_value) == KT_LATIN) ||
(KTYP(entry.kb_value) == KT_ASCII) ||
(KTYP(entry.kb_value) == KT_LETTER)) {
vga_keymap[map][i] = entry.kb_value;
}
}
}
}
return (0);
}
#elif defined(__FREEBSD__)
int
SVGA_initkeymaps(int fd)
{
vga_keymap = SDL_malloc(sizeof(keymap_t));
if (!vga_keymap) {
SDL_OutOfMemory();
return (-1);
}
if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
SDL_free(vga_keymap);
vga_keymap = NULL;
SDL_SetError("Unable to get keyboard map");
return (-1);
}
return (0);
}
#else
#error You must choose your operating system here
#endif
int posted = 0;
void
SVGA_mousecallback(int button, int dx, int dy, int u1, int u2, int u3, int u4)
{
if (dx || dy) {
posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
}
if (button & MOUSE_LEFTBUTTON) {
if (!(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1))) {
posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
}
} else {
if ((SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1))) {
posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
}
}
if (button & MOUSE_MIDDLEBUTTON) {
if (!(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2))) {
posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
}
} else {
if ((SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2))) {
posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
}
}
if (button & MOUSE_RIGHTBUTTON) {
if (!(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3))) {
posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
}
} else {
if ((SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3))) {
posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
}
}
}
void
SVGA_keyboardcallback(int scancode, int pressed)
{
SDL_keysym keysym;
if (pressed) {
posted += SDL_PrivateKeyboard(SDL_PRESSED,
TranslateKey(scancode, &keysym));
} else {
posted += SDL_PrivateKeyboard(SDL_RELEASED,
TranslateKey(scancode, &keysym));
}
}
void
SVGA_PumpEvents(_THIS)
{
do {
posted = 0;
mouse_update();
keyboard_update();
} while (posted);
}
void
SVGA_InitOSKeymap(_THIS)
{
int i;
/* Initialize the BeOS 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;
}
#if defined(linux)
static SDL_keysym *
TranslateKey(int scancode, SDL_keysym * keysym)
{
/* Set the keysym information */
keysym->scancode = scancode;
keysym->sym = keymap[scancode];
keysym->mod = KMOD_NONE;
/* If UNICODE is on, get the UNICODE value for the key */
keysym->unicode = 0;
if (SDL_TranslateUNICODE) {
int map;
SDLMod modstate;
modstate = SDL_GetModState();
map = 0;
if (modstate & KMOD_SHIFT) {
map |= (1 << KG_SHIFT);
}
if (modstate & KMOD_CTRL) {
map |= (1 << KG_CTRL);
}
if (modstate & KMOD_ALT) {
map |= (1 << KG_ALT);
}
if (modstate & KMOD_MODE) {
map |= (1 << KG_ALTGR);
}
if (KTYP(vga_keymap[map][scancode]) == KT_LETTER) {
if (modstate & KMOD_CAPS) {
map ^= (1 << KG_SHIFT);
}
}
if (KTYP(vga_keymap[map][scancode]) == KT_PAD) {
if (modstate & KMOD_NUM) {
keysym->unicode = KVAL(vga_keymap[map][scancode]);
}
} else {
keysym->unicode = KVAL(vga_keymap[map][scancode]);
}
}
return (keysym);
}
#elif defined(__FREEBSD__)
static SDL_keysym *
TranslateKey(int scancode, SDL_keysym * keysym)
{
/* Set the keysym information */
keysym->scancode = scancode;
keysym->sym = keymap[scancode];
keysym->mod = KMOD_NONE;
/* If UNICODE is on, get the UNICODE value for the key */
keysym->unicode = 0;
if (SDL_TranslateUNICODE && vga_keymap) {
int map;
SDLMod modstate;
modstate = SDL_GetModState();
map = 0;
if (modstate & KMOD_SHIFT) {
map += 1;
}
if (modstate & KMOD_CTRL) {
map += 2;
}
if (modstate & KMOD_ALT) {
map += 4;
}
if (!(vga_keymap->key[scancode].spcl & (0x80 >> map))) {
keysym->unicode = vga_keymap->key[scancode].map[map];
}
}
return (keysym);
}
#else
#error You must choose your operating system here
#endif
/* vi: set ts=4 sw=4 expandtab: */

36
src/video/svga/SDL_svgaevents_c.h
View file

@ -1,36 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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_svgavideo.h"
/* Variables and functions exported by SDL_sysevents.c to other parts
of the native video subsystem (SDL_sysvideo.c)
*/
extern int SVGA_initkeymaps(int fd);
extern void SVGA_mousecallback(int button, int dx, int dy,
int u1, int u2, int u3, int u4);
extern void SVGA_keyboardcallback(int scancode, int pressed);
extern void SVGA_InitOSKeymap(_THIS);
extern void SVGA_PumpEvents(_THIS);
/* vi: set ts=4 sw=4 expandtab: */

35
src/video/svga/SDL_svgamouse.c
View file

@ -1,35 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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_svgavideo.h"
#include "SDL_svgamouse_c.h"
/* The implementation dependent data for the window manager cursor */
struct WMcursor
{
int unused;
};
/* vi: set ts=4 sw=4 expandtab: */

27
src/video/svga/SDL_svgamouse_c.h
View file

@ -1,27 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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_svgavideo.h"
/* Functions to be exported */
/* vi: set ts=4 sw=4 expandtab: */

604
src/video/svga/SDL_svgavideo.c
View file

@ -1,604 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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"
/* SVGAlib based SDL video driver implementation.
*/
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#if defined(__LINUX__)
#include <linux/vt.h>
#elif defined(__FREEBSD__)
#include <sys/consio.h>
#else
#error You must choose your operating system here
#endif
#include <vga.h>
#include <vgamouse.h>
#include <vgakeyboard.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_svgavideo.h"
#include "SDL_svgaevents_c.h"
#include "SDL_svgamouse_c.h"
/* Initialization/Query functions */
static int SVGA_VideoInit(_THIS, SDL_PixelFormat * vformat);
static SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat * format,
Uint32 flags);
static SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface * current,
int width, int height, int bpp,
Uint32 flags);
static int SVGA_SetColors(_THIS, int firstcolor, int ncolors,
SDL_Color * colors);
static void SVGA_VideoQuit(_THIS);
/* Hardware surface functions */
static int SVGA_AllocHWSurface(_THIS, SDL_Surface * surface);
static int SVGA_LockHWSurface(_THIS, SDL_Surface * surface);
static int SVGA_FlipHWSurface(_THIS, SDL_Surface * surface);
static void SVGA_UnlockHWSurface(_THIS, SDL_Surface * surface);
static void SVGA_FreeHWSurface(_THIS, SDL_Surface * surface);
/* SVGAlib driver bootstrap functions */
static int
SVGA_Available(void)
{
/* Check to see if we are root and stdin is a virtual console */
int console;
/* SVGALib 1.9.x+ doesn't require root (via /dev/svga) */
int svgalib2 = -1;
/* See if we are connected to a virtual terminal */
console = STDIN_FILENO;
#if 0 /* This is no longer needed, SVGAlib can switch consoles for us */
if (console >= 0) {
struct stat sb;
struct vt_mode dummy;
if ((fstat(console, &sb) < 0) ||
(ioctl(console, VT_GETMODE, &dummy) < 0)) {
console = -1;
}
}
#endif /* 0 */
/* See if SVGAlib 2.0 is available */
svgalib2 = open("/dev/svga", O_RDONLY);
if (svgalib2 != -1) {
close(svgalib2);
}
return (((svgalib2 != -1) || (geteuid() == 0)) && (console >= 0));
}
static void
SVGA_DeleteDevice(SDL_VideoDevice * device)
{
SDL_free(device->hidden);
SDL_free(device);
}
static SDL_VideoDevice *
SVGA_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 = SVGA_VideoInit;
device->ListModes = SVGA_ListModes;
device->SetVideoMode = SVGA_SetVideoMode;
device->SetColors = SVGA_SetColors;
device->UpdateRects = NULL;
device->VideoQuit = SVGA_VideoQuit;
device->AllocHWSurface = SVGA_AllocHWSurface;
device->CheckHWBlit = NULL;
device->FillHWRect = NULL;
device->SetHWColorKey = NULL;
device->SetHWAlpha = NULL;
device->LockHWSurface = SVGA_LockHWSurface;
device->UnlockHWSurface = SVGA_UnlockHWSurface;
device->FlipHWSurface = SVGA_FlipHWSurface;
device->FreeHWSurface = SVGA_FreeHWSurface;
device->SetCaption = NULL;
device->SetIcon = NULL;
device->IconifyWindow = NULL;
device->GrabInput = NULL;
device->GetWMInfo = NULL;
device->InitOSKeymap = SVGA_InitOSKeymap;
device->PumpEvents = SVGA_PumpEvents;
device->free = SVGA_DeleteDevice;
return device;
}
VideoBootStrap SVGALIB_bootstrap = {
"svgalib", "SVGAlib",
SVGA_Available, SVGA_CreateDevice
};
static int
SVGA_AddMode(_THIS, int mode, int actually_add)
{
int i, j;
vga_modeinfo *modeinfo;
modeinfo = vga_getmodeinfo(mode);
i = modeinfo->bytesperpixel - 1;
if (i < 0) {
return 0;
}
if (actually_add) {
SDL_Rect saved_rect[2];
int saved_mode[2];
int b;
/* Add the mode, sorted largest to smallest */
b = 0;
j = 0;
while ((SDL_modelist[i][j]->w > modeinfo->width) ||
(SDL_modelist[i][j]->h > modeinfo->height)) {
++j;
}
/* Skip modes that are already in our list */
if ((SDL_modelist[i][j]->w == modeinfo->width) &&
(SDL_modelist[i][j]->h == modeinfo->height)) {
return (0);
}
/* Insert the new mode */
saved_rect[b] = *SDL_modelist[i][j];
saved_mode[b] = SDL_vgamode[i][j];
SDL_modelist[i][j]->w = modeinfo->width;
SDL_modelist[i][j]->h = modeinfo->height;
SDL_vgamode[i][j] = mode;
/* Everybody scoot down! */
if (saved_rect[b].w && saved_rect[b].h) {
for (++j; SDL_modelist[i][j]->w; ++j) {
saved_rect[!b] = *SDL_modelist[i][j];
saved_mode[!b] = SDL_vgamode[i][j];
*SDL_modelist[i][j] = saved_rect[b];
SDL_vgamode[i][j] = saved_mode[b];
b = !b;
}
*SDL_modelist[i][j] = saved_rect[b];
SDL_vgamode[i][j] = saved_mode[b];
}
} else {
++SDL_nummodes[i];
}
return (1);
}
static void
SVGA_UpdateVideoInfo(_THIS)
{
vga_modeinfo *modeinfo;
this->info.wm_available = 0;
this->info.hw_available = (banked ? 0 : 1);
modeinfo = vga_getmodeinfo(vga_getcurrentmode());
this->info.video_mem = modeinfo->memory;
/* FIXME: Add hardware accelerated blit information */
#ifdef SVGALIB_DEBUG
printf("Hardware accelerated blit: %savailable\n",
modeinfo->haveblit ? "" : "not ");
#endif
}
int
SVGA_VideoInit(_THIS, SDL_PixelFormat * vformat)
{
int keyboard;
int i, j;
int mode, total_modes;
/* Initialize all variables that we clean on shutdown */
for (i = 0; i < NUM_MODELISTS; ++i) {
SDL_nummodes[i] = 0;
SDL_modelist[i] = NULL;
SDL_vgamode[i] = NULL;
}
/* Initialize the library */
vga_disabledriverreport();
if (vga_init() < 0) {
SDL_SetError("Unable to initialize SVGAlib");
return (-1);
}
vga_setmode(TEXT);
/* Enable mouse and keyboard support */
vga_setmousesupport(1);
keyboard = keyboard_init_return_fd();
if (keyboard < 0) {
SDL_SetError("Unable to initialize keyboard");
return (-1);
}
if (SVGA_initkeymaps(keyboard) < 0) {
return (-1);
}
keyboard_seteventhandler(SVGA_keyboardcallback);
/* Determine the current screen size */
this->info.current_w = 0;
this->info.current_h = 0;
/* Determine the screen depth (use default 8-bit depth) */
vformat->BitsPerPixel = 8;
/* Enumerate the available fullscreen modes */
total_modes = 0;
for (mode = vga_lastmodenumber(); mode; --mode) {
if (vga_hasmode(mode)) {
if (SVGA_AddMode(this, mode, 0)) {
++total_modes;
}
}
}
if (SVGA_AddMode(this, G320x200x256, 0))
++total_modes;
if (total_modes == 0) {
SDL_SetError("No linear video modes available");
return (-1);
}
for (i = 0; i < NUM_MODELISTS; ++i) {
SDL_vgamode[i] = (int *) SDL_malloc(SDL_nummodes[i] * sizeof(int));
if (SDL_vgamode[i] == NULL) {
SDL_OutOfMemory();
return (-1);
}
SDL_modelist[i] = (SDL_Rect **)
SDL_malloc((SDL_nummodes[i] + 1) * sizeof(SDL_Rect *));
if (SDL_modelist[i] == NULL) {
SDL_OutOfMemory();
return (-1);
}
for (j = 0; j < SDL_nummodes[i]; ++j) {
SDL_modelist[i][j] = (SDL_Rect *) SDL_malloc(sizeof(SDL_Rect));
if (SDL_modelist[i][j] == NULL) {
SDL_OutOfMemory();
return (-1);
}
SDL_memset(SDL_modelist[i][j], 0, sizeof(SDL_Rect));
}
SDL_modelist[i][j] = NULL;
}
for (mode = vga_lastmodenumber(); mode; --mode) {
if (vga_hasmode(mode)) {
SVGA_AddMode(this, mode, 1);
}
}
SVGA_AddMode(this, G320x200x256, 1);
/* Free extra (duplicated) modes */
for (i = 0; i < NUM_MODELISTS; ++i) {
j = 0;
while (SDL_modelist[i][j] && SDL_modelist[i][j]->w) {
j++;
}
while (SDL_modelist[i][j]) {
SDL_free(SDL_modelist[i][j]);
SDL_modelist[i][j] = NULL;
j++;
}
}
/* Fill in our hardware acceleration capabilities */
SVGA_UpdateVideoInfo(this);
/* We're done! */
return (0);
}
SDL_Rect **
SVGA_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags)
{
return (SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1]);
}
/* Various screen update functions available */
static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect * rects);
static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect * rects);
SDL_Surface *
SVGA_SetVideoMode(_THIS, SDL_Surface * current,
int width, int height, int bpp, Uint32 flags)
{
int mode;
int vgamode;
vga_modeinfo *modeinfo;
int screenpage_len;
/* Free old pixels if we were in banked mode */
if (banked && current->pixels) {
free(current->pixels);
current->pixels = NULL;
}
/* Try to set the requested linear video mode */
bpp = (bpp + 7) / 8 - 1;
for (mode = 0; SDL_modelist[bpp][mode]; ++mode) {
if ((SDL_modelist[bpp][mode]->w == width) &&
(SDL_modelist[bpp][mode]->h == height)) {
break;
}
}
if (SDL_modelist[bpp][mode] == NULL) {
SDL_SetError("Couldn't find requested mode in list");
return (NULL);
}
vgamode = SDL_vgamode[bpp][mode];
vga_setmode(vgamode);
vga_setpage(0);
if ((vga_setlinearaddressing() < 0) && (vgamode != G320x200x256)) {
banked = 1;
} else {
banked = 0;
}
modeinfo = vga_getmodeinfo(SDL_vgamode[bpp][mode]);
/* Update hardware acceleration info */
SVGA_UpdateVideoInfo(this);
/* Allocate the new pixel format for the screen */
bpp = (bpp + 1) * 8;
if ((bpp == 16) && (modeinfo->colors == 32768)) {
bpp = 15;
}
if (!SDL_ReallocFormat(current, bpp, 0, 0, 0, 0)) {
return (NULL);
}
/* Set up the new mode framebuffer */
current->flags = SDL_FULLSCREEN;
if (!banked) {
current->flags |= SDL_HWSURFACE;
}
if (bpp == 8) {
/* FIXME: What about DirectColor? */
current->flags |= SDL_HWPALETTE;
}
current->w = width;
current->h = height;
current->pitch = modeinfo->linewidth;
if (banked) {
current->pixels = SDL_malloc(current->h * current->pitch);
if (!current->pixels) {
SDL_OutOfMemory();
return (NULL);
}
} else {
current->pixels = vga_getgraphmem();
}
/* set double-buffering */
if ((flags & SDL_DOUBLEBUF) && !banked) {
/* length of one screen page in bytes */
screenpage_len = current->h * modeinfo->linewidth;
/* if start address should be aligned */
if (modeinfo->linewidth_unit) {
if (screenpage_len % modeinfo->linewidth_unit) {
screenpage_len +=
modeinfo->linewidth_unit -
(screenpage_len % modeinfo->linewidth_unit);
}
}
/* if we heve enough videomemory = ak je dost videopamete */
if (modeinfo->memory > (screenpage_len * 2 / 1024)) {
current->flags |= SDL_DOUBLEBUF;
flip_page = 0;
flip_offset[0] = 0;
flip_offset[1] = screenpage_len;
flip_address[0] = vga_getgraphmem();
flip_address[1] = flip_address[0] + screenpage_len;
SVGA_FlipHWSurface(this, current);
}
}
/* Set the blit function */
if (banked) {
this->UpdateRects = SVGA_BankedUpdate;
} else {
this->UpdateRects = SVGA_DirectUpdate;
}
/* Set up the mouse handler again (buggy SVGAlib 1.40) */
mouse_seteventhandler(SVGA_mousecallback);
/* We're done */
return (current);
}
/* We don't actually allow hardware surfaces other than the main one */
static int
SVGA_AllocHWSurface(_THIS, SDL_Surface * surface)
{
return (-1);
}
static void
SVGA_FreeHWSurface(_THIS, SDL_Surface * surface)
{
return;
}
/* We need to wait for vertical retrace on page flipped displays */
static int
SVGA_LockHWSurface(_THIS, SDL_Surface * surface)
{
/* The waiting is done in SVGA_FlipHWSurface() */
return (0);
}
static void
SVGA_UnlockHWSurface(_THIS, SDL_Surface * surface)
{
return;
}
static int
SVGA_FlipHWSurface(_THIS, SDL_Surface * surface)
{
if (!banked) {
vga_setdisplaystart(flip_offset[flip_page]);
flip_page = !flip_page;
surface->pixels = flip_address[flip_page];
vga_waitretrace();
}
return (0);
}
static void
SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect * rects)
{
return;
}
static void
SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect * rects)
{
int i, j;
SDL_Rect *rect;
int page, vp;
int x, y, w, h;
unsigned char *src;
unsigned char *dst;
int bpp = this->screen->format->BytesPerPixel;
int pitch = this->screen->pitch;
dst = vga_getgraphmem();
for (i = 0; i < numrects; ++i) {
rect = &rects[i];
x = rect->x;
y = rect->y;
w = rect->w * bpp;
h = rect->h;
vp = y * pitch + x * bpp;
src = (unsigned char *) this->screen->pixels + vp;
page = vp >> 16;
vp &= 0xffff;
vga_setpage(page);
for (j = 0; j < h; j++) {
if (vp + w > 0x10000) {
if (vp >= 0x10000) {
page++;
vga_setpage(page);
vp &= 0xffff;
} else {
SDL_memcpy(dst + vp, src, 0x10000 - vp);
page++;
vga_setpage(page);
SDL_memcpy(dst, src + 0x10000 - vp, (vp + w) & 0xffff);
vp = (vp + pitch) & 0xffff;
src += pitch;
continue;
}
}
SDL_memcpy(dst + vp, src, w);
src += pitch;
vp += pitch;
}
}
}
int
SVGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors)
{
int i;
for (i = 0; i < ncolors; i++) {
vga_setpalette(firstcolor + i,
colors[i].r >> 2, colors[i].g >> 2, colors[i].b >> 2);
}
return (1);
}
/* Note: If we are terminated, this could be called in the middle of
another SDL video routine -- notably UpdateRects.
*/
void
SVGA_VideoQuit(_THIS)
{
int i, j;
/* Reset the console video mode */
if (this->screen && (this->screen->w && this->screen->h)) {
vga_setmode(TEXT);
}
keyboard_close();
/* Free video mode lists */
for (i = 0; i < NUM_MODELISTS; ++i) {
if (SDL_modelist[i] != NULL) {
for (j = 0; SDL_modelist[i][j]; ++j)
SDL_free(SDL_modelist[i][j]);
SDL_free(SDL_modelist[i]);
SDL_modelist[i] = NULL;
}
if (SDL_vgamode[i] != NULL) {
SDL_free(SDL_vgamode[i]);
SDL_vgamode[i] = NULL;
}
}
if (this->screen) {
if (banked && this->screen->pixels) {
SDL_free(this->screen->pixels);
}
this->screen->pixels = NULL;
}
}
/* vi: set ts=4 sw=4 expandtab: */

59
src/video/svga/SDL_svgavideo.h
View file

@ -1,59 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2010 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_svgavideo_h
#define _SDL_svgavideo_h
#include "SDL_mouse.h"
#include "../SDL_sysvideo.h"
/* Hidden "this" pointer for the video functions */
#define _THIS SDL_VideoDevice *this
/* Private display data */
struct SDL_PrivateVideoData
{
#define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
int SDL_nummodes[NUM_MODELISTS];
SDL_Rect **SDL_modelist[NUM_MODELISTS];
int *SDL_vgamode[NUM_MODELISTS];
/* information for double-buffering */
int flip_page;
int flip_offset[2];
Uint8 *flip_address[2];
/* Set to 1 if we're in banked video mode */
int banked;
};
/* Old variable names */
#define SDL_nummodes (this->hidden->SDL_nummodes)
#define SDL_modelist (this->hidden->SDL_modelist)
#define SDL_vgamode (this->hidden->SDL_vgamode)
#define flip_page (this->hidden->flip_page)
#define flip_offset (this->hidden->flip_offset)
#define flip_address (this->hidden->flip_address)
#define banked (this->hidden->banked)
#endif /* _SDL_svgavideo_h */
/* vi: set ts=4 sw=4 expandtab: */