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Diffstat (limited to 'distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c')
-rw-r--r--distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c609
1 files changed, 0 insertions, 609 deletions
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
deleted file mode 100644
index 45f99c1..0000000
--- a/distrib/sdl-1.2.12/src/video/wscons/SDL_wsconsvideo.c
+++ /dev/null
@@ -1,609 +0,0 @@
-/*
- 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;
- }
-}
generated by cgit v1.1 at 2024-04-28 14:37:12 +0000