diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/wscons')
6 files changed, 1013 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents.c b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents.c new file mode 100644 index 0000000..8a4d054 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents.c @@ -0,0 +1,233 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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 <sys/types.h> +#include <dev/wscons/wsdisplay_usl_io.h> +#include <sys/ioctl.h> +#include <fcntl.h> +#include <unistd.h> +#include <termios.h> +#include <errno.h> +#include <string.h> + +#include "SDL.h" +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" +#include "SDL_wsconsvideo.h" +#include "SDL_wsconsevents_c.h" + +static int posted = 0; + +int WSCONS_InitKeyboard(_THIS) +{ + struct termios tty; + + if (ioctl(private->fd, WSKBDIO_GTYPE, &private->kbdType) == -1) { + WSCONS_ReportError("cannot get keyboard type: %s", strerror(errno)); + return -1; + } + + if (tcgetattr(private->fd, &private->saved_tty) == -1) { + WSCONS_ReportError("cannot get terminal attributes: %s", strerror(errno)); + return -1; + } + private->did_save_tty = 1; + tty = private->saved_tty; + tty.c_iflag = IGNPAR | IGNBRK; + tty.c_oflag = 0; + tty.c_cflag = CREAD | CS8; + tty.c_lflag = 0; + tty.c_cc[VTIME] = 0; + tty.c_cc[VMIN] = 1; + cfsetispeed(&tty, 9600); + cfsetospeed(&tty, 9600); + if (tcsetattr(private->fd, TCSANOW, &tty) < 0) { + WSCONS_ReportError("cannot set terminal attributes: %s", strerror(errno)); + return -1; + } + if (ioctl(private->fd, KDSKBMODE, K_RAW) == -1) { + WSCONS_ReportError("cannot set raw keyboard mode: %s", strerror(errno)); + return -1; + } + + return 0; +} + +void WSCONS_ReleaseKeyboard(_THIS) +{ + if (private->fd != -1) { + if (ioctl(private->fd, KDSKBMODE, K_XLATE) == -1) { + WSCONS_ReportError("cannot restore keyboard to translated mode: %s", + strerror(errno)); + } + if (private->did_save_tty) { + if (tcsetattr(private->fd, TCSANOW, &private->saved_tty) < 0) { + WSCONS_ReportError("cannot restore keynoard attributes: %s", + strerror(errno)); + } + } + } +} + +static void updateMouse() +{ +} + +static SDLKey keymap[128]; + +static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym) +{ + keysym->scancode = scancode; + keysym->sym = SDLK_UNKNOWN; + keysym->mod = KMOD_NONE; + + if (scancode < SDL_arraysize(keymap)) + keysym->sym = keymap[scancode]; + + if (keysym->sym == SDLK_UNKNOWN) + printf("Unknown mapping for scancode %d\n", scancode); + + return keysym; +} + +static void updateKeyboard(_THIS) +{ + unsigned char buf[100]; + SDL_keysym keysym; + int n, i; + + if ((n = read(private->fd, buf, sizeof(buf))) > 0) { + for (i = 0; i < n; i++) { + unsigned char c = buf[i] & 0x7f; + if (c == 224) // special key prefix -- what should we do with it? + continue; + posted += SDL_PrivateKeyboard((buf[i] & 0x80) ? SDL_RELEASED : SDL_PRESSED, + TranslateKey(c, &keysym)); + } + } +} + +void WSCONS_PumpEvents(_THIS) +{ + do { + posted = 0; + updateMouse(); + updateKeyboard(this); + } while (posted); +} + +void WSCONS_InitOSKeymap(_THIS) +{ + int i; + + /* Make sure unknown keys are mapped correctly */ + for (i=0; i < SDL_arraysize(keymap); i++) { + keymap[i] = SDLK_UNKNOWN; + } + + switch (private->kbdType) { +#ifdef WSKBD_TYPE_ZAURUS + case WSKBD_TYPE_ZAURUS: + /* top row */ + keymap[2] = SDLK_1; + keymap[3] = SDLK_2; + keymap[4] = SDLK_3; + keymap[5] = SDLK_4; + keymap[6] = SDLK_5; + keymap[7] = SDLK_6; + keymap[8] = SDLK_7; + keymap[9] = SDLK_8; + keymap[10] = SDLK_9; + keymap[11] = SDLK_0; + keymap[14] = SDLK_BACKSPACE; + + /* second row */ + keymap[16] = SDLK_q; + keymap[17] = SDLK_w; + keymap[18] = SDLK_e; + keymap[19] = SDLK_r; + keymap[20] = SDLK_t; + keymap[21] = SDLK_y; + keymap[22] = SDLK_u; + keymap[23] = SDLK_i; + keymap[24] = SDLK_o; + keymap[25] = SDLK_p; + + /* third row */ + keymap[15] = SDLK_TAB; + keymap[30] = SDLK_a; + keymap[31] = SDLK_s; + keymap[32] = SDLK_d; + keymap[33] = SDLK_f; + keymap[34] = SDLK_g; + keymap[35] = SDLK_h; + keymap[36] = SDLK_j; + keymap[37] = SDLK_k; + keymap[38] = SDLK_l; + + /* fourth row */ + keymap[42] = SDLK_LSHIFT; + keymap[44] = SDLK_z; + keymap[45] = SDLK_x; + keymap[46] = SDLK_c; + keymap[47] = SDLK_v; + keymap[48] = SDLK_b; + keymap[49] = SDLK_n; + keymap[50] = SDLK_m; + keymap[54] = SDLK_RSHIFT; + keymap[28] = SDLK_RETURN; + + /* fifth row */ + keymap[56] = SDLK_LALT; + keymap[29] = SDLK_LCTRL; + /* keymap[56] = ; */ + keymap[0] = SDLK_LSUPER; + keymap[12] = SDLK_MINUS; + keymap[57] = SDLK_SPACE; + keymap[51] = SDLK_COMMA; + keymap[52] = SDLK_PERIOD; + + /* misc */ + keymap[59] = SDLK_F1; + keymap[60] = SDLK_F2; + keymap[61] = SDLK_F3; + keymap[62] = SDLK_F4; + keymap[63] = SDLK_F5; + keymap[1] = SDLK_ESCAPE; + /* keymap[28] = SDLK_KP_ENTER; */ + keymap[72] = SDLK_UP; + keymap[75] = SDLK_LEFT; + keymap[77] = SDLK_RIGHT; + keymap[80] = SDLK_DOWN; + break; +#endif /* WSKBD_TYPE_ZAURUS */ + + default: + WSCONS_ReportError("Unable to map keys for keyboard type %u", + private->kbdType); + break; + } +} + +/* end of SDL_wsconsevents.c ... */ + diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents_c.h b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents_c.h new file mode 100644 index 0000000..57a1bfe --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsevents_c.h @@ -0,0 +1,36 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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_wsconsvideo.h" + +int WSCONS_InitKeyboard(_THIS); +void WSCONS_ReleaseKeyboard(_THIS); + +/* Variables and functions exported by SDL_sysevents.c to other parts + of the native video subsystem (SDL_sysvideo.c) +*/ +extern void WSCONS_InitOSKeymap(_THIS); +extern void WSCONS_PumpEvents(_THIS); + +/* end of SDL_wsconsevents_c.h ... */ + diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse.c b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse.c new file mode 100644 index 0000000..f74c226 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse.c @@ -0,0 +1,33 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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_wsconsmouse_c.h" + + +/* The implementation dependent data for the window manager cursor */ +struct WMcursor { + int unused; +}; diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse_c.h b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse_c.h new file mode 100644 index 0000000..30d0ec2 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsmouse_c.h @@ -0,0 +1,26 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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_wsconsvideo.h" + +/* Functions to be exported */ diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c new file mode 100644 index 0000000..45f99c1 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c @@ -0,0 +1,609 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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 <sys/time.h> +#include <sys/mman.h> +#include <sys/ioctl.h> +#include <dev/wscons/wsdisplay_usl_io.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.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_wsconsvideo.h" +#include "SDL_wsconsevents_c.h" +#include "SDL_wsconsmouse_c.h" + +#define WSCONSVID_DRIVER_NAME "wscons" +enum { + WSCONS_ROTATE_NONE = 0, + WSCONS_ROTATE_CCW = 90, + WSCONS_ROTATE_UD = 180, + WSCONS_ROTATE_CW = 270 +}; + +#define min(a,b) ((a)<(b)?(a):(b)) + +/* Initialization/Query functions */ +static int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat); +static SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags); +static SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); +static int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors); +static void WSCONS_VideoQuit(_THIS); + +/* Hardware surface functions */ +static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface); +static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface); +static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface); +static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface); + +/* etc. */ +static WSCONS_bitBlit WSCONS_blit16; +static WSCONS_bitBlit WSCONS_blit16blocked; +static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects); + +void WSCONS_ReportError(char *fmt, ...) +{ + char message[200]; + va_list vaArgs; + + message[199] = '\0'; + + va_start(vaArgs, fmt); + vsnprintf(message, 199, fmt, vaArgs); + va_end(vaArgs); + + SDL_SetError(message); + fprintf(stderr, "WSCONS error: %s\n", message); +} + +/* WSCONS driver bootstrap functions */ + +static int WSCONS_Available(void) +{ + return 1; +} + +static void WSCONS_DeleteDevice(SDL_VideoDevice *device) +{ + SDL_free(device->hidden); + SDL_free(device); +} + +static SDL_VideoDevice *WSCONS_CreateDevice(int devindex) +{ + SDL_VideoDevice *device; + + /* Initialize all variables that we clean on shutdown */ + device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); + if (device == NULL) { + SDL_OutOfMemory(); + return 0; + } + SDL_memset(device, 0, (sizeof *device)); + device->hidden = + (struct SDL_PrivateVideoData *)SDL_malloc((sizeof *device->hidden)); + if (device->hidden == NULL) { + SDL_OutOfMemory(); + SDL_free(device); + return(0); + } + SDL_memset(device->hidden, 0, (sizeof *device->hidden)); + device->hidden->fd = -1; + + /* Set the function pointers */ + device->VideoInit = WSCONS_VideoInit; + device->ListModes = WSCONS_ListModes; + device->SetVideoMode = WSCONS_SetVideoMode; + device->SetColors = WSCONS_SetColors; + device->UpdateRects = WSCONS_UpdateRects; + device->VideoQuit = WSCONS_VideoQuit; + device->AllocHWSurface = WSCONS_AllocHWSurface; + device->LockHWSurface = WSCONS_LockHWSurface; + device->UnlockHWSurface = WSCONS_UnlockHWSurface; + device->FreeHWSurface = WSCONS_FreeHWSurface; + device->InitOSKeymap = WSCONS_InitOSKeymap; + device->PumpEvents = WSCONS_PumpEvents; + device->free = WSCONS_DeleteDevice; + + return device; +} + +VideoBootStrap WSCONS_bootstrap = { + WSCONSVID_DRIVER_NAME, + "SDL wscons video driver", + WSCONS_Available, + WSCONS_CreateDevice +}; + +#define WSCONSDEV_FORMAT "/dev/ttyC%01x" + +int WSCONS_VideoInit(_THIS, SDL_PixelFormat *vformat) +{ + char devnamebuf[30]; + char *devname; + char *rotation; + int wstype; + int wsmode = WSDISPLAYIO_MODE_DUMBFB; + size_t len, mapsize; + int pagemask; + int width, height; + + devname = SDL_getenv("SDL_WSCONSDEV"); + if (devname == NULL) { + int activeVT; + if (ioctl(STDIN_FILENO, VT_GETACTIVE, &activeVT) == -1) { + WSCONS_ReportError("Unable to determine active terminal: %s", + strerror(errno)); + return -1; + } + SDL_snprintf(devnamebuf, sizeof(devnamebuf), WSCONSDEV_FORMAT, activeVT - 1); + devname = devnamebuf; + } + + private->fd = open(devname, O_RDWR | O_NONBLOCK, 0); + if (private->fd == -1) { + WSCONS_ReportError("open %s: %s", devname, strerror(errno)); + return -1; + } + if (ioctl(private->fd, WSDISPLAYIO_GINFO, &private->info) == -1) { + WSCONS_ReportError("ioctl WSDISPLAY_GINFO: %s", strerror(errno)); + return -1; + } + if (ioctl(private->fd, WSDISPLAYIO_GTYPE, &wstype) == -1) { + WSCONS_ReportError("ioctl WSDISPLAY_GTYPE: %s", strerror(errno)); + return -1; + } + if (ioctl(private->fd, WSDISPLAYIO_LINEBYTES, &private->physlinebytes) == -1) { + WSCONS_ReportError("ioctl WSDISPLAYIO_LINEBYTES: %s", strerror(errno)); + return -1; + } + if (private->info.depth > 8) { + if (wstype == WSDISPLAY_TYPE_SUN24 || + wstype == WSDISPLAY_TYPE_SUNCG12 || + wstype == WSDISPLAY_TYPE_SUNCG14 || + wstype == WSDISPLAY_TYPE_SUNTCX || + wstype == WSDISPLAY_TYPE_SUNFFB) { + private->redMask = 0x0000ff; + private->greenMask = 0x00ff00; + private->blueMask = 0xff0000; +#ifdef WSDISPLAY_TYPE_PXALCD + } else if (wstype == WSDISPLAY_TYPE_PXALCD) { + private->redMask = 0x1f << 11; + private->greenMask = 0x3f << 5; + private->blueMask = 0x1f; +#endif + } else { + WSCONS_ReportError("Unknown video hardware"); + return -1; + } + } else { + WSCONS_ReportError("Displays with 8 bpp or less are not supported"); + return -1; + } + + private->rotate = WSCONS_ROTATE_NONE; + rotation = SDL_getenv("SDL_VIDEO_WSCONS_ROTATION"); + if (rotation != NULL) { + if (SDL_strlen(rotation) == 0) { + private->shadowFB = 0; + private->rotate = WSCONS_ROTATE_NONE; + printf("Not rotating, no shadow\n"); + } else if (!SDL_strcmp(rotation, "NONE")) { + private->shadowFB = 1; + private->rotate = WSCONS_ROTATE_NONE; + printf("Not rotating, but still using shadow\n"); + } else if (!SDL_strcmp(rotation, "CW")) { + private->shadowFB = 1; + private->rotate = WSCONS_ROTATE_CW; + printf("Rotating screen clockwise\n"); + } else if (!SDL_strcmp(rotation, "CCW")) { + private->shadowFB = 1; + private->rotate = WSCONS_ROTATE_CCW; + printf("Rotating screen counter clockwise\n"); + } else if (!SDL_strcmp(rotation, "UD")) { + private->shadowFB = 1; + private->rotate = WSCONS_ROTATE_UD; + printf("Rotating screen upside down\n"); + } else { + WSCONS_ReportError("\"%s\" is not a valid value for " + "SDL_VIDEO_WSCONS_ROTATION", rotation); + return -1; + } + } + + switch (private->info.depth) { + case 1: + case 4: + case 8: + len = private->physlinebytes * private->info.height; + break; + case 16: + if (private->physlinebytes == private->info.width) { + len = private->info.width * private->info.height * sizeof(short); + } else { + len = private->physlinebytes * private->info.height; + } + if (private->rotate == WSCONS_ROTATE_NONE || + private->rotate == WSCONS_ROTATE_UD) { + private->blitFunc = WSCONS_blit16; + } else { + private->blitFunc = WSCONS_blit16blocked; + } + break; + case 32: + if (private->physlinebytes == private->info.width) { + len = private->info.width * private->info.height * sizeof(int); + } else { + len = private->physlinebytes * private->info.height; + } + break; + default: + WSCONS_ReportError("unsupported depth %d", private->info.depth); + return -1; + } + + if (private->shadowFB && private->blitFunc == NULL) { + WSCONS_ReportError("Using software buffer, but no blitter function is " + "available for this %d bpp.", private->info.depth); + return -1; + } + + if (ioctl(private->fd, WSDISPLAYIO_SMODE, &wsmode) == -1) { + WSCONS_ReportError("ioctl SMODE"); + return -1; + } + + pagemask = getpagesize() - 1; + mapsize = ((int)len + pagemask) & ~pagemask; + private->physmem = (Uint8 *)mmap(NULL, mapsize, + PROT_READ | PROT_WRITE, MAP_SHARED, + private->fd, (off_t)0); + if (private->physmem == (Uint8 *)MAP_FAILED) { + private->physmem = NULL; + WSCONS_ReportError("mmap: %s", strerror(errno)); + return -1; + } + private->fbmem_len = len; + + if (private->rotate == WSCONS_ROTATE_CW || + private->rotate == WSCONS_ROTATE_CCW) { + width = private->info.height; + height = private->info.width; + } else { + width = private->info.width; + height = private->info.height; + } + + this->info.current_w = width; + this->info.current_h = height; + + if (private->shadowFB) { + private->shadowmem = (Uint8 *)SDL_malloc(len); + if (private->shadowmem == NULL) { + WSCONS_ReportError("No memory for shadow"); + return -1; + } + private->fbstart = private->shadowmem; + private->fblinebytes = width * ((private->info.depth + 7) / 8); + } else { + private->fbstart = private->physmem; + private->fblinebytes = private->physlinebytes; + } + + private->SDL_modelist[0] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect)); + private->SDL_modelist[0]->w = width; + private->SDL_modelist[0]->h = height; + + vformat->BitsPerPixel = private->info.depth; + vformat->BytesPerPixel = private->info.depth / 8; + + if (WSCONS_InitKeyboard(this) == -1) { + return -1; + } + + return 0; +} + +SDL_Rect **WSCONS_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags) +{ + if (format->BitsPerPixel == private->info.depth) { + return private->SDL_modelist; + } else { + return NULL; + } +} + +SDL_Surface *WSCONS_SetVideoMode(_THIS, SDL_Surface *current, + int width, int height, int bpp, Uint32 flags) +{ + if (width != private->SDL_modelist[0]->w || + height != private->SDL_modelist[0]->h) { + WSCONS_ReportError("Requested video mode %dx%d not supported.", + width, height); + return NULL; + } + if (bpp != private->info.depth) { + WSCONS_ReportError("Requested video depth %d bpp not supported.", bpp); + return NULL; + } + + if (!SDL_ReallocFormat(current, + bpp, + private->redMask, + private->greenMask, + private->blueMask, + 0)) { + WSCONS_ReportError("Couldn't allocate new pixel format"); + return NULL; + } + + current->flags &= SDL_FULLSCREEN; + if (private->shadowFB) { + current->flags |= SDL_SWSURFACE; + } else { + current->flags |= SDL_HWSURFACE; + } + current->w = width; + current->h = height; + current->pitch = private->fblinebytes; + current->pixels = private->fbstart; + + SDL_memset(private->fbstart, 0, private->fbmem_len); + + return current; +} + +static int WSCONS_AllocHWSurface(_THIS, SDL_Surface *surface) +{ + return -1; +} +static void WSCONS_FreeHWSurface(_THIS, SDL_Surface *surface) +{ +} + +static int WSCONS_LockHWSurface(_THIS, SDL_Surface *surface) +{ + return 0; +} + +static void WSCONS_UnlockHWSurface(_THIS, SDL_Surface *surface) +{ +} + +static void WSCONS_blit16(Uint8 *byte_src_pos, + int srcRightDelta, + int srcDownDelta, + Uint8 *byte_dst_pos, + int dst_linebytes, + int width, + int height) +{ + int w; + Uint16 *src_pos = (Uint16 *)byte_src_pos; + Uint16 *dst_pos = (Uint16 *)byte_dst_pos; + + while (height) { + Uint16 *src = src_pos; + Uint16 *dst = dst_pos; + for (w = width; w != 0; w--) { + *dst = *src; + src += srcRightDelta; + dst++; + } + dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes); + src_pos += srcDownDelta; + height--; + } +} + +#define BLOCKSIZE_W 32 +#define BLOCKSIZE_H 32 + +static void WSCONS_blit16blocked(Uint8 *byte_src_pos, + int srcRightDelta, + int srcDownDelta, + Uint8 *byte_dst_pos, + int dst_linebytes, + int width, + int height) +{ + int w; + Uint16 *src_pos = (Uint16 *)byte_src_pos; + Uint16 *dst_pos = (Uint16 *)byte_dst_pos; + + while (height > 0) { + Uint16 *src = src_pos; + Uint16 *dst = dst_pos; + for (w = width; w > 0; w -= BLOCKSIZE_W) { + WSCONS_blit16((Uint8 *)src, + srcRightDelta, + srcDownDelta, + (Uint8 *)dst, + dst_linebytes, + min(w, BLOCKSIZE_W), + min(height, BLOCKSIZE_H)); + src += srcRightDelta * BLOCKSIZE_W; + dst += BLOCKSIZE_W; + } + dst_pos = (Uint16 *)((Uint8 *)dst_pos + dst_linebytes * BLOCKSIZE_H); + src_pos += srcDownDelta * BLOCKSIZE_H; + height -= BLOCKSIZE_H; + } +} + +static void WSCONS_UpdateRects(_THIS, int numrects, SDL_Rect *rects) +{ + int width = private->SDL_modelist[0]->w; + int height = private->SDL_modelist[0]->h; + int bytesPerPixel = (private->info.depth + 7) / 8; + int i; + + if (!private->shadowFB) { + return; + } + + if (private->info.depth != 16) { + WSCONS_ReportError("Shadow copy only implemented for 16 bpp"); + return; + } + + for (i = 0; i < numrects; i++) { + int x1, y1, x2, y2; + int scr_x1, scr_y1, scr_x2, scr_y2; + int sha_x1, sha_y1; + int shadowRightDelta; /* Address change when moving right in dest */ + int shadowDownDelta; /* Address change when moving down in dest */ + Uint8 *src_start; + Uint8 *dst_start; + + x1 = rects[i].x; + y1 = rects[i].y; + x2 = x1 + rects[i].w; + y2 = y1 + rects[i].h; + + if (x1 < 0) { + x1 = 0; + } else if (x1 > width) { + x1 = width; + } + if (x2 < 0) { + x2 = 0; + } else if (x2 > width) { + x2 = width; + } + if (y1 < 0) { + y1 = 0; + } else if (y1 > height) { + y1 = height; + } + if (y2 < 0) { + y2 = 0; + } else if (y2 > height) { + y2 = height; + } + if (x2 <= x1 || y2 <= y1) { + continue; + } + + switch (private->rotate) { + case WSCONS_ROTATE_NONE: + sha_x1 = scr_x1 = x1; + sha_y1 = scr_y1 = y1; + scr_x2 = x2; + scr_y2 = y2; + shadowRightDelta = 1; + shadowDownDelta = width; + break; + case WSCONS_ROTATE_CCW: + scr_x1 = y1; + scr_y1 = width - x2; + scr_x2 = y2; + scr_y2 = width - x1; + sha_x1 = x2 - 1; + sha_y1 = y1; + shadowRightDelta = width; + shadowDownDelta = -1; + break; + case WSCONS_ROTATE_UD: + scr_x1 = width - x2; + scr_y1 = height - y2; + scr_x2 = width - x1; + scr_y2 = height - y1; + sha_x1 = x2 - 1; + sha_y1 = y2 - 1; + shadowRightDelta = -1; + shadowDownDelta = -width; + break; + case WSCONS_ROTATE_CW: + scr_x1 = height - y2; + scr_y1 = x1; + scr_x2 = height - y1; + scr_y2 = x2; + sha_x1 = x1; + sha_y1 = y2 - 1; + shadowRightDelta = -width; + shadowDownDelta = 1; + break; + default: + WSCONS_ReportError("Unknown rotation"); + return; + } + + src_start = private->shadowmem + (sha_y1 * width + sha_x1) * bytesPerPixel; + dst_start = private->physmem + scr_y1 * private->physlinebytes + + scr_x1 * bytesPerPixel; + + private->blitFunc(src_start, + shadowRightDelta, + shadowDownDelta, + dst_start, + private->physlinebytes, + scr_x2 - scr_x1, + scr_y2 - scr_y1); + } +} + +int WSCONS_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) +{ + return 0; +} + +/* + * Note: If we are terminated, this could be called in the middle of + * another SDL video routine -- notably UpdateRects. + */ +void WSCONS_VideoQuit(_THIS) +{ + int mode = WSDISPLAYIO_MODE_EMUL; + + if (private->shadowmem != NULL) { + SDL_free(private->shadowmem); + private->shadowmem = NULL; + } + private->fbstart = NULL; + if (this->screen != NULL) { + this->screen->pixels = NULL; + } + + if (private->SDL_modelist[0] != NULL) { + SDL_free(private->SDL_modelist[0]); + private->SDL_modelist[0] = NULL; + } + + if (ioctl(private->fd, WSDISPLAYIO_SMODE, &mode) == -1) { + WSCONS_ReportError("ioctl SMODE"); + } + + WSCONS_ReleaseKeyboard(this); + + if (private->fd != -1) { + close(private->fd); + private->fd = -1; + } +} diff --git a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.h b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.h new file mode 100644 index 0000000..112203f --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.h @@ -0,0 +1,76 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2006 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_wsconsvideo_h +#define _SDL_wsconsvideo_h + +#include <sys/time.h> +#include <termios.h> +#include <dev/wscons/wsconsio.h> + +#include "SDL_mouse.h" +#include "SDL_mutex.h" +#include "../SDL_sysvideo.h" + +void WSCONS_ReportError(char *fmt, ...); + +/* Hidden "this" pointer for the video functions */ +#define _THIS SDL_VideoDevice *this +#define private (this->hidden) + +/* Private display data */ + +typedef void WSCONS_bitBlit(Uint8 *src_pos, + int srcRightDelta, // pixels, not bytes + int srcDownDelta, // pixels, not bytes + Uint8 *dst_pos, + int dst_linebytes, + int width, + int height); + +struct SDL_PrivateVideoData { + int fd; /* file descriptor of open device */ + struct wsdisplay_fbinfo info; /* frame buffer characteristics */ + int physlinebytes; /* number of bytes per row */ + int redMask, greenMask, blueMask; + + Uint8 *fbstart; /* These refer to the surface used, */ + int fblinebytes; /* physical frame buffer or shadow. */ + + size_t fbmem_len; + Uint8 *physmem; + Uint8 *shadowmem; + int rotate; + int shadowFB; /* Tells whether a shadow is being used. */ + + WSCONS_bitBlit *blitFunc; + + SDL_Rect *SDL_modelist[2]; + + unsigned int kbdType; + int did_save_tty; + struct termios saved_tty; +}; + + +#endif /* _SDL_wsconsvideo_h */ |