2006-11-26 11:13:41 -07:00
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/*
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Copyright 1993, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#if defined(WIN32)
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#include <X11/Xwinsock.h>
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#endif
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#include <stdio.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xos.h>
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#include "scrnintstr.h"
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#include "servermd.h"
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#define PSZ 8
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#include "fb.h"
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#include "mibstore.h"
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#include "colormapst.h"
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#include "gcstruct.h"
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#include "input.h"
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#include "mipointer.h"
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#include "micmap.h"
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#include <sys/types.h>
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#ifdef HAS_MMAP
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#include <sys/mman.h>
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#ifndef MAP_FILE
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#define MAP_FILE 0
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#endif
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#endif /* HAS_MMAP */
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#include <sys/stat.h>
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#include <errno.h>
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#ifndef WIN32
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#include <sys/param.h>
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#endif
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#include <X11/XWDFile.h>
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#ifdef HAS_SHM
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#endif /* HAS_SHM */
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#include "dix.h"
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#include "miline.h"
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#define VFB_DEFAULT_WIDTH 1280
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#define VFB_DEFAULT_HEIGHT 1024
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#define VFB_DEFAULT_DEPTH 8
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#define VFB_DEFAULT_WHITEPIXEL 1
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#define VFB_DEFAULT_BLACKPIXEL 0
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#define VFB_DEFAULT_LINEBIAS 0
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#define XWD_WINDOW_NAME_LEN 60
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typedef struct
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{
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int scrnum;
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int width;
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int paddedBytesWidth;
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int paddedWidth;
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int height;
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int depth;
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int bitsPerPixel;
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int sizeInBytes;
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int ncolors;
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char *pfbMemory;
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XWDColor *pXWDCmap;
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XWDFileHeader *pXWDHeader;
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Pixel blackPixel;
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Pixel whitePixel;
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unsigned int lineBias;
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CloseScreenProcPtr closeScreen;
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#ifdef HAS_MMAP
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int mmap_fd;
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char mmap_file[MAXPATHLEN];
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#endif
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#ifdef HAS_SHM
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int shmid;
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#endif
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} vfbScreenInfo, *vfbScreenInfoPtr;
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static int vfbNumScreens;
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static vfbScreenInfo vfbScreens[MAXSCREENS];
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static Bool vfbPixmapDepths[33];
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#ifdef HAS_MMAP
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static char *pfbdir = NULL;
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#endif
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typedef enum { NORMAL_MEMORY_FB, SHARED_MEMORY_FB, MMAPPED_FILE_FB } fbMemType;
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static fbMemType fbmemtype = NORMAL_MEMORY_FB;
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static char needswap = 0;
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static int lastScreen = -1;
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static Bool Render = TRUE;
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#define swapcopy16(_dst, _src) \
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if (needswap) { CARD16 _s = _src; cpswaps(_s, _dst); } \
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else _dst = _src;
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#define swapcopy32(_dst, _src) \
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if (needswap) { CARD32 _s = _src; cpswapl(_s, _dst); } \
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else _dst = _src;
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static void
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vfbInitializePixmapDepths(void)
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{
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int i;
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vfbPixmapDepths[1] = TRUE; /* always need bitmaps */
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for (i = 2; i <= 32; i++)
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vfbPixmapDepths[i] = FALSE;
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}
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static void
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vfbInitializeDefaultScreens(void)
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{
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int i;
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for (i = 0; i < MAXSCREENS; i++)
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{
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vfbScreens[i].scrnum = i;
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vfbScreens[i].width = VFB_DEFAULT_WIDTH;
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vfbScreens[i].height = VFB_DEFAULT_HEIGHT;
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vfbScreens[i].depth = VFB_DEFAULT_DEPTH;
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vfbScreens[i].blackPixel = VFB_DEFAULT_BLACKPIXEL;
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vfbScreens[i].whitePixel = VFB_DEFAULT_WHITEPIXEL;
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vfbScreens[i].lineBias = VFB_DEFAULT_LINEBIAS;
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vfbScreens[i].pfbMemory = NULL;
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}
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vfbNumScreens = 1;
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}
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static int
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vfbBitsPerPixel(int depth)
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{
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if (depth == 1) return 1;
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else if (depth <= 8) return 8;
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else if (depth <= 16) return 16;
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else return 32;
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}
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void
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2010-07-27 13:02:24 -06:00
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ddxGiveUp(void)
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2006-11-26 11:13:41 -07:00
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{
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int i;
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/* clean up the framebuffers */
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switch (fbmemtype)
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{
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#ifdef HAS_MMAP
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case MMAPPED_FILE_FB:
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for (i = 0; i < vfbNumScreens; i++)
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{
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if (-1 == unlink(vfbScreens[i].mmap_file))
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{
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perror("unlink");
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2008-11-02 08:26:08 -07:00
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ErrorF("unlink %s failed, %s",
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vfbScreens[i].mmap_file, strerror(errno));
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2006-11-26 11:13:41 -07:00
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}
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}
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break;
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#else /* HAS_MMAP */
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case MMAPPED_FILE_FB:
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break;
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#endif /* HAS_MMAP */
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#ifdef HAS_SHM
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case SHARED_MEMORY_FB:
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for (i = 0; i < vfbNumScreens; i++)
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{
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if (-1 == shmdt((char *)vfbScreens[i].pXWDHeader))
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{
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perror("shmdt");
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2008-11-02 08:26:08 -07:00
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ErrorF("shmdt failed, %s", strerror(errno));
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2006-11-26 11:13:41 -07:00
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}
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}
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break;
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#else /* HAS_SHM */
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case SHARED_MEMORY_FB:
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break;
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#endif /* HAS_SHM */
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case NORMAL_MEMORY_FB:
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for (i = 0; i < vfbNumScreens; i++)
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{
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Xfree(vfbScreens[i].pXWDHeader);
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}
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break;
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}
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}
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void
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2010-07-27 13:02:24 -06:00
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AbortDDX(void)
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2006-11-26 11:13:41 -07:00
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{
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ddxGiveUp();
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}
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2008-11-02 08:26:08 -07:00
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#ifdef __APPLE__
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2006-11-26 11:13:41 -07:00
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void
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DarwinHandleGUI(int argc, char *argv[])
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{
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}
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#endif
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void
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2010-07-27 13:02:24 -06:00
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OsVendorInit(void)
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2006-11-26 11:13:41 -07:00
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{
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}
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void
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2010-07-27 13:02:24 -06:00
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OsVendorFatalError(void)
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2006-11-26 11:13:41 -07:00
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{
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}
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#if defined(DDXBEFORERESET)
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void ddxBeforeReset(void)
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{
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return;
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}
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#endif
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void
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2010-07-27 13:02:24 -06:00
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ddxUseMsg(void)
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2006-11-26 11:13:41 -07:00
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{
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ErrorF("-screen scrn WxHxD set screen's width, height, depth\n");
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ErrorF("-pixdepths list-of-int support given pixmap depths\n");
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#ifdef RENDER
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2010-07-27 13:02:24 -06:00
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ErrorF("+/-render turn on/off RENDER extension support"
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2006-11-26 11:13:41 -07:00
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"(default on)\n");
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#endif
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ErrorF("-linebias n adjust thin line pixelization\n");
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ErrorF("-blackpixel n pixel value for black\n");
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ErrorF("-whitepixel n pixel value for white\n");
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#ifdef HAS_MMAP
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ErrorF("-fbdir directory put framebuffers in mmap'ed files in directory\n");
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#endif
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#ifdef HAS_SHM
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ErrorF("-shmem put framebuffers in shared memory\n");
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#endif
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}
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int
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ddxProcessArgument(int argc, char *argv[], int i)
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{
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static Bool firstTime = TRUE;
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if (firstTime)
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{
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vfbInitializeDefaultScreens();
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vfbInitializePixmapDepths();
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firstTime = FALSE;
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}
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#define CHECK_FOR_REQUIRED_ARGUMENTS(num) \
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if (((i + num) >= argc) || (!argv[i + num])) { \
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ErrorF("Required argument to %s not specified\n", argv[i]); \
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UseMsg(); \
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FatalError("Required argument to %s not specified\n", argv[i]); \
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}
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if (strcmp (argv[i], "-screen") == 0) /* -screen n WxHxD */
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{
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int screenNum;
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CHECK_FOR_REQUIRED_ARGUMENTS(2);
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screenNum = atoi(argv[i+1]);
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if (screenNum < 0 || screenNum >= MAXSCREENS)
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{
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ErrorF("Invalid screen number %d\n", screenNum);
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UseMsg();
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FatalError("Invalid screen number %d passed to -screen\n",
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screenNum);
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}
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if (3 != sscanf(argv[i+2], "%dx%dx%d",
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&vfbScreens[screenNum].width,
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&vfbScreens[screenNum].height,
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&vfbScreens[screenNum].depth))
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{
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ErrorF("Invalid screen configuration %s\n", argv[i+2]);
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UseMsg();
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FatalError("Invalid screen configuration %s for -screen %d\n",
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argv[i+2], screenNum);
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}
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if (screenNum >= vfbNumScreens)
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vfbNumScreens = screenNum + 1;
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lastScreen = screenNum;
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return 3;
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}
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if (strcmp (argv[i], "-pixdepths") == 0) /* -pixdepths list-of-depth */
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{
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int depth, ret = 1;
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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while ((++i < argc) && (depth = atoi(argv[i])) != 0)
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{
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if (depth < 0 || depth > 32)
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{
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ErrorF("Invalid pixmap depth %d\n", depth);
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UseMsg();
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FatalError("Invalid pixmap depth %d passed to -pixdepths\n",
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depth);
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}
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vfbPixmapDepths[depth] = TRUE;
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ret++;
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}
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return ret;
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}
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if (strcmp (argv[i], "+render") == 0) /* +render */
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{
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Render = TRUE;
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return 1;
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}
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if (strcmp (argv[i], "-render") == 0) /* -render */
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{
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Render = FALSE;
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#ifdef COMPOSITE
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noCompositeExtension = TRUE;
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#endif
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return 1;
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}
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if (strcmp (argv[i], "-blackpixel") == 0) /* -blackpixel n */
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{
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Pixel pix;
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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pix = atoi(argv[++i]);
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if (-1 == lastScreen)
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{
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int i;
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for (i = 0; i < MAXSCREENS; i++)
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{
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vfbScreens[i].blackPixel = pix;
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}
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}
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else
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{
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vfbScreens[lastScreen].blackPixel = pix;
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}
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return 2;
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}
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if (strcmp (argv[i], "-whitepixel") == 0) /* -whitepixel n */
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{
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Pixel pix;
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CHECK_FOR_REQUIRED_ARGUMENTS(1);
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pix = atoi(argv[++i]);
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if (-1 == lastScreen)
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{
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int i;
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for (i = 0; i < MAXSCREENS; i++)
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{
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vfbScreens[i].whitePixel = pix;
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}
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}
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else
|
|
|
|
{
|
|
|
|
vfbScreens[lastScreen].whitePixel = pix;
|
|
|
|
}
|
|
|
|
return 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (strcmp (argv[i], "-linebias") == 0) /* -linebias n */
|
|
|
|
{
|
|
|
|
unsigned int linebias;
|
|
|
|
CHECK_FOR_REQUIRED_ARGUMENTS(1);
|
|
|
|
linebias = atoi(argv[++i]);
|
|
|
|
if (-1 == lastScreen)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < MAXSCREENS; i++)
|
|
|
|
{
|
|
|
|
vfbScreens[i].lineBias = linebias;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
vfbScreens[lastScreen].lineBias = linebias;
|
|
|
|
}
|
|
|
|
return 2;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef HAS_MMAP
|
|
|
|
if (strcmp (argv[i], "-fbdir") == 0) /* -fbdir directory */
|
|
|
|
{
|
|
|
|
CHECK_FOR_REQUIRED_ARGUMENTS(1);
|
|
|
|
pfbdir = argv[++i];
|
|
|
|
fbmemtype = MMAPPED_FILE_FB;
|
|
|
|
return 2;
|
|
|
|
}
|
|
|
|
#endif /* HAS_MMAP */
|
|
|
|
|
|
|
|
#ifdef HAS_SHM
|
|
|
|
if (strcmp (argv[i], "-shmem") == 0) /* -shmem */
|
|
|
|
{
|
|
|
|
fbmemtype = SHARED_MEMORY_FB;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ColormapPtr InstalledMaps[MAXSCREENS];
|
|
|
|
|
|
|
|
static int
|
|
|
|
vfbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps)
|
|
|
|
{
|
|
|
|
/* By the time we are processing requests, we can guarantee that there
|
|
|
|
* is always a colormap installed */
|
|
|
|
*pmaps = InstalledMaps[pScreen->myNum]->mid;
|
|
|
|
return (1);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbInstallColormap(ColormapPtr pmap)
|
|
|
|
{
|
|
|
|
int index = pmap->pScreen->myNum;
|
|
|
|
ColormapPtr oldpmap = InstalledMaps[index];
|
|
|
|
|
|
|
|
if (pmap != oldpmap)
|
|
|
|
{
|
|
|
|
int entries;
|
|
|
|
XWDFileHeader *pXWDHeader;
|
|
|
|
XWDColor *pXWDCmap;
|
|
|
|
VisualPtr pVisual;
|
|
|
|
Pixel * ppix;
|
|
|
|
xrgb * prgb;
|
|
|
|
xColorItem *defs;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if(oldpmap != (ColormapPtr)None)
|
|
|
|
WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid);
|
|
|
|
/* Install pmap */
|
|
|
|
InstalledMaps[index] = pmap;
|
|
|
|
WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid);
|
|
|
|
|
|
|
|
entries = pmap->pVisual->ColormapEntries;
|
|
|
|
pXWDHeader = vfbScreens[pmap->pScreen->myNum].pXWDHeader;
|
|
|
|
pXWDCmap = vfbScreens[pmap->pScreen->myNum].pXWDCmap;
|
|
|
|
pVisual = pmap->pVisual;
|
|
|
|
|
|
|
|
swapcopy32(pXWDHeader->visual_class, pVisual->class);
|
|
|
|
swapcopy32(pXWDHeader->red_mask, pVisual->redMask);
|
|
|
|
swapcopy32(pXWDHeader->green_mask, pVisual->greenMask);
|
|
|
|
swapcopy32(pXWDHeader->blue_mask, pVisual->blueMask);
|
|
|
|
swapcopy32(pXWDHeader->bits_per_rgb, pVisual->bitsPerRGBValue);
|
|
|
|
swapcopy32(pXWDHeader->colormap_entries, pVisual->ColormapEntries);
|
|
|
|
|
2008-11-02 08:26:08 -07:00
|
|
|
ppix = (Pixel *)xalloc(entries * sizeof(Pixel));
|
|
|
|
prgb = (xrgb *)xalloc(entries * sizeof(xrgb));
|
|
|
|
defs = (xColorItem *)xalloc(entries * sizeof(xColorItem));
|
2006-11-26 11:13:41 -07:00
|
|
|
|
|
|
|
for (i = 0; i < entries; i++) ppix[i] = i;
|
|
|
|
/* XXX truecolor */
|
|
|
|
QueryColors(pmap, entries, ppix, prgb);
|
|
|
|
|
|
|
|
for (i = 0; i < entries; i++) { /* convert xrgbs to xColorItems */
|
|
|
|
defs[i].pixel = ppix[i] & 0xff; /* change pixel to index */
|
|
|
|
defs[i].red = prgb[i].red;
|
|
|
|
defs[i].green = prgb[i].green;
|
|
|
|
defs[i].blue = prgb[i].blue;
|
|
|
|
defs[i].flags = DoRed|DoGreen|DoBlue;
|
|
|
|
}
|
|
|
|
(*pmap->pScreen->StoreColors)(pmap, entries, defs);
|
|
|
|
|
2008-11-02 08:26:08 -07:00
|
|
|
xfree(ppix);
|
|
|
|
xfree(prgb);
|
|
|
|
xfree(defs);
|
2006-11-26 11:13:41 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbUninstallColormap(ColormapPtr pmap)
|
|
|
|
{
|
|
|
|
ColormapPtr curpmap = InstalledMaps[pmap->pScreen->myNum];
|
|
|
|
|
|
|
|
if(pmap == curpmap)
|
|
|
|
{
|
|
|
|
if (pmap->mid != pmap->pScreen->defColormap)
|
|
|
|
{
|
2010-07-27 13:02:24 -06:00
|
|
|
dixLookupResourceByType((pointer *)&curpmap,
|
|
|
|
pmap->pScreen->defColormap,
|
|
|
|
RT_COLORMAP, serverClient,
|
|
|
|
DixInstallAccess);
|
2006-11-26 11:13:41 -07:00
|
|
|
(*pmap->pScreen->InstallColormap)(curpmap);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbStoreColors(ColormapPtr pmap, int ndef, xColorItem *pdefs)
|
|
|
|
{
|
|
|
|
XWDColor *pXWDCmap;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (pmap != InstalledMaps[pmap->pScreen->myNum])
|
|
|
|
{
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
pXWDCmap = vfbScreens[pmap->pScreen->myNum].pXWDCmap;
|
|
|
|
|
|
|
|
if ((pmap->pVisual->class | DynamicClass) == DirectColor)
|
|
|
|
{
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < ndef; i++)
|
|
|
|
{
|
|
|
|
if (pdefs[i].flags & DoRed)
|
|
|
|
{
|
|
|
|
swapcopy16(pXWDCmap[pdefs[i].pixel].red, pdefs[i].red);
|
|
|
|
}
|
|
|
|
if (pdefs[i].flags & DoGreen)
|
|
|
|
{
|
|
|
|
swapcopy16(pXWDCmap[pdefs[i].pixel].green, pdefs[i].green);
|
|
|
|
}
|
|
|
|
if (pdefs[i].flags & DoBlue)
|
|
|
|
{
|
|
|
|
swapcopy16(pXWDCmap[pdefs[i].pixel].blue, pdefs[i].blue);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static Bool
|
|
|
|
vfbSaveScreen(ScreenPtr pScreen, int on)
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef HAS_MMAP
|
|
|
|
|
|
|
|
/* this flushes any changes to the screens out to the mmapped file */
|
|
|
|
static void
|
|
|
|
vfbBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < vfbNumScreens; i++)
|
|
|
|
{
|
|
|
|
#ifdef MS_ASYNC
|
|
|
|
if (-1 == msync((caddr_t)vfbScreens[i].pXWDHeader,
|
|
|
|
(size_t)vfbScreens[i].sizeInBytes, MS_ASYNC))
|
|
|
|
#else
|
|
|
|
/* silly NetBSD and who else? */
|
|
|
|
if (-1 == msync((caddr_t)vfbScreens[i].pXWDHeader,
|
|
|
|
(size_t)vfbScreens[i].sizeInBytes))
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
perror("msync");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("msync failed, %s", strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbWakeupHandler(pointer blockData, int result, pointer pReadmask)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbAllocateMmappedFramebuffer(vfbScreenInfoPtr pvfb)
|
|
|
|
{
|
|
|
|
#define DUMMY_BUFFER_SIZE 65536
|
|
|
|
char dummyBuffer[DUMMY_BUFFER_SIZE];
|
|
|
|
int currentFileSize, writeThisTime;
|
|
|
|
|
|
|
|
sprintf(pvfb->mmap_file, "%s/Xvfb_screen%d", pfbdir, pvfb->scrnum);
|
|
|
|
if (-1 == (pvfb->mmap_fd = open(pvfb->mmap_file, O_CREAT|O_RDWR, 0666)))
|
|
|
|
{
|
|
|
|
perror("open");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("open %s failed, %s", pvfb->mmap_file, strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Extend the file to be the proper size */
|
|
|
|
|
|
|
|
bzero(dummyBuffer, DUMMY_BUFFER_SIZE);
|
|
|
|
for (currentFileSize = 0;
|
|
|
|
currentFileSize < pvfb->sizeInBytes;
|
|
|
|
currentFileSize += writeThisTime)
|
|
|
|
{
|
|
|
|
writeThisTime = min(DUMMY_BUFFER_SIZE,
|
|
|
|
pvfb->sizeInBytes - currentFileSize);
|
|
|
|
if (-1 == write(pvfb->mmap_fd, dummyBuffer, writeThisTime))
|
|
|
|
{
|
|
|
|
perror("write");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("write %s failed, %s", pvfb->mmap_file, strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* try to mmap the file */
|
|
|
|
|
|
|
|
pvfb->pXWDHeader = (XWDFileHeader *)mmap((caddr_t)NULL, pvfb->sizeInBytes,
|
|
|
|
PROT_READ|PROT_WRITE,
|
|
|
|
MAP_FILE|MAP_SHARED,
|
|
|
|
pvfb->mmap_fd, 0);
|
|
|
|
if (-1 == (long)pvfb->pXWDHeader)
|
|
|
|
{
|
|
|
|
perror("mmap");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("mmap %s failed, %s", pvfb->mmap_file, strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
pvfb->pXWDHeader = NULL;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!RegisterBlockAndWakeupHandlers(vfbBlockHandler, vfbWakeupHandler,
|
|
|
|
NULL))
|
|
|
|
{
|
|
|
|
pvfb->pXWDHeader = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif /* HAS_MMAP */
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef HAS_SHM
|
|
|
|
static void
|
|
|
|
vfbAllocateSharedMemoryFramebuffer(vfbScreenInfoPtr pvfb)
|
|
|
|
{
|
|
|
|
/* create the shared memory segment */
|
|
|
|
|
|
|
|
pvfb->shmid = shmget(IPC_PRIVATE, pvfb->sizeInBytes, IPC_CREAT|0777);
|
|
|
|
if (pvfb->shmid < 0)
|
|
|
|
{
|
|
|
|
perror("shmget");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("shmget %d bytes failed, %s", pvfb->sizeInBytes, strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* try to attach it */
|
|
|
|
|
|
|
|
pvfb->pXWDHeader = (XWDFileHeader *)shmat(pvfb->shmid, 0, 0);
|
|
|
|
if (-1 == (long)pvfb->pXWDHeader)
|
|
|
|
{
|
|
|
|
perror("shmat");
|
2008-11-02 08:26:08 -07:00
|
|
|
ErrorF("shmat failed, %s", strerror(errno));
|
2006-11-26 11:13:41 -07:00
|
|
|
pvfb->pXWDHeader = NULL;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ErrorF("screen %d shmid %d\n", pvfb->scrnum, pvfb->shmid);
|
|
|
|
}
|
|
|
|
#endif /* HAS_SHM */
|
|
|
|
|
|
|
|
static char *
|
|
|
|
vfbAllocateFramebufferMemory(vfbScreenInfoPtr pvfb)
|
|
|
|
{
|
|
|
|
if (pvfb->pfbMemory) return pvfb->pfbMemory; /* already done */
|
|
|
|
|
|
|
|
pvfb->sizeInBytes = pvfb->paddedBytesWidth * pvfb->height;
|
|
|
|
|
|
|
|
/* Calculate how many entries in colormap. This is rather bogus, because
|
|
|
|
* the visuals haven't even been set up yet, but we need to know because we
|
|
|
|
* have to allocate space in the file for the colormap. The number 10
|
|
|
|
* below comes from the MAX_PSEUDO_DEPTH define in cfbcmap.c.
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (pvfb->depth <= 10)
|
|
|
|
{ /* single index colormaps */
|
|
|
|
pvfb->ncolors = 1 << pvfb->depth;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{ /* decomposed colormaps */
|
|
|
|
int nplanes_per_color_component = pvfb->depth / 3;
|
|
|
|
if (pvfb->depth % 3) nplanes_per_color_component++;
|
|
|
|
pvfb->ncolors = 1 << nplanes_per_color_component;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* add extra bytes for XWDFileHeader, window name, and colormap */
|
|
|
|
|
|
|
|
pvfb->sizeInBytes += SIZEOF(XWDheader) + XWD_WINDOW_NAME_LEN +
|
|
|
|
pvfb->ncolors * SIZEOF(XWDColor);
|
|
|
|
|
|
|
|
pvfb->pXWDHeader = NULL;
|
|
|
|
switch (fbmemtype)
|
|
|
|
{
|
|
|
|
#ifdef HAS_MMAP
|
|
|
|
case MMAPPED_FILE_FB: vfbAllocateMmappedFramebuffer(pvfb); break;
|
|
|
|
#else
|
|
|
|
case MMAPPED_FILE_FB: break;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef HAS_SHM
|
|
|
|
case SHARED_MEMORY_FB: vfbAllocateSharedMemoryFramebuffer(pvfb); break;
|
|
|
|
#else
|
|
|
|
case SHARED_MEMORY_FB: break;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
case NORMAL_MEMORY_FB:
|
|
|
|
pvfb->pXWDHeader = (XWDFileHeader *)Xalloc(pvfb->sizeInBytes);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (pvfb->pXWDHeader)
|
|
|
|
{
|
|
|
|
pvfb->pXWDCmap = (XWDColor *)((char *)pvfb->pXWDHeader
|
|
|
|
+ SIZEOF(XWDheader) + XWD_WINDOW_NAME_LEN);
|
|
|
|
pvfb->pfbMemory = (char *)(pvfb->pXWDCmap + pvfb->ncolors);
|
|
|
|
|
|
|
|
return pvfb->pfbMemory;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbWriteXWDFileHeader(ScreenPtr pScreen)
|
|
|
|
{
|
|
|
|
vfbScreenInfoPtr pvfb = &vfbScreens[pScreen->myNum];
|
|
|
|
XWDFileHeader *pXWDHeader = pvfb->pXWDHeader;
|
|
|
|
char hostname[XWD_WINDOW_NAME_LEN];
|
|
|
|
unsigned long swaptest = 1;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
needswap = *(char *) &swaptest;
|
|
|
|
|
|
|
|
pXWDHeader->header_size = (char *)pvfb->pXWDCmap - (char *)pvfb->pXWDHeader;
|
|
|
|
pXWDHeader->file_version = XWD_FILE_VERSION;
|
|
|
|
|
|
|
|
pXWDHeader->pixmap_format = ZPixmap;
|
|
|
|
pXWDHeader->pixmap_depth = pvfb->depth;
|
|
|
|
pXWDHeader->pixmap_height = pXWDHeader->window_height = pvfb->height;
|
|
|
|
pXWDHeader->xoffset = 0;
|
|
|
|
pXWDHeader->byte_order = IMAGE_BYTE_ORDER;
|
|
|
|
pXWDHeader->bitmap_bit_order = BITMAP_BIT_ORDER;
|
|
|
|
#ifndef INTERNAL_VS_EXTERNAL_PADDING
|
|
|
|
pXWDHeader->pixmap_width = pXWDHeader->window_width = pvfb->width;
|
|
|
|
pXWDHeader->bitmap_unit = BITMAP_SCANLINE_UNIT;
|
|
|
|
pXWDHeader->bitmap_pad = BITMAP_SCANLINE_PAD;
|
|
|
|
#else
|
|
|
|
pXWDHeader->pixmap_width = pXWDHeader->window_width = pvfb->paddedWidth;
|
|
|
|
pXWDHeader->bitmap_unit = BITMAP_SCANLINE_UNIT_PROTO;
|
|
|
|
pXWDHeader->bitmap_pad = BITMAP_SCANLINE_PAD_PROTO;
|
|
|
|
#endif
|
|
|
|
pXWDHeader->bits_per_pixel = pvfb->bitsPerPixel;
|
|
|
|
pXWDHeader->bytes_per_line = pvfb->paddedBytesWidth;
|
|
|
|
pXWDHeader->ncolors = pvfb->ncolors;
|
|
|
|
|
|
|
|
/* visual related fields are written when colormap is installed */
|
|
|
|
|
|
|
|
pXWDHeader->window_x = pXWDHeader->window_y = 0;
|
|
|
|
pXWDHeader->window_bdrwidth = 0;
|
|
|
|
|
|
|
|
/* write xwd "window" name: Xvfb hostname:server.screen */
|
|
|
|
|
|
|
|
if (-1 == gethostname(hostname, sizeof(hostname)))
|
|
|
|
hostname[0] = 0;
|
|
|
|
else
|
|
|
|
hostname[XWD_WINDOW_NAME_LEN-1] = 0;
|
|
|
|
sprintf((char *)(pXWDHeader+1), "Xvfb %s:%s.%d", hostname, display,
|
|
|
|
pScreen->myNum);
|
|
|
|
|
|
|
|
/* write colormap pixel slot values */
|
|
|
|
|
|
|
|
for (i = 0; i < pvfb->ncolors; i++)
|
|
|
|
{
|
|
|
|
pvfb->pXWDCmap[i].pixel = i;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* byte swap to most significant byte first */
|
|
|
|
|
|
|
|
if (needswap)
|
|
|
|
{
|
|
|
|
SwapLongs((CARD32 *)pXWDHeader, SIZEOF(XWDheader)/4);
|
|
|
|
for (i = 0; i < pvfb->ncolors; i++)
|
|
|
|
{
|
|
|
|
register char n;
|
|
|
|
swapl(&pvfb->pXWDCmap[i].pixel, n);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static Bool
|
|
|
|
vfbCursorOffScreen (ScreenPtr *ppScreen, int *x, int *y)
|
|
|
|
{
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
vfbCrossScreen (ScreenPtr pScreen, Bool entering)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
static miPointerScreenFuncRec vfbPointerCursorFuncs =
|
|
|
|
{
|
|
|
|
vfbCursorOffScreen,
|
|
|
|
vfbCrossScreen,
|
|
|
|
miPointerWarpCursor
|
|
|
|
};
|
|
|
|
|
|
|
|
static Bool
|
|
|
|
vfbCloseScreen(int index, ScreenPtr pScreen)
|
|
|
|
{
|
|
|
|
vfbScreenInfoPtr pvfb = &vfbScreens[index];
|
|
|
|
int i;
|
|
|
|
|
|
|
|
pScreen->CloseScreen = pvfb->closeScreen;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX probably lots of stuff to clean. For now,
|
|
|
|
* clear InstalledMaps[] so that server reset works correctly.
|
|
|
|
*/
|
|
|
|
for (i = 0; i < MAXSCREENS; i++)
|
|
|
|
InstalledMaps[i] = NULL;
|
|
|
|
|
|
|
|
return pScreen->CloseScreen(index, pScreen);
|
|
|
|
}
|
|
|
|
|
|
|
|
static Bool
|
|
|
|
vfbScreenInit(int index, ScreenPtr pScreen, int argc, char **argv)
|
|
|
|
{
|
|
|
|
vfbScreenInfoPtr pvfb = &vfbScreens[index];
|
|
|
|
int dpix = monitorResolution, dpiy = monitorResolution;
|
|
|
|
int ret;
|
|
|
|
char *pbits;
|
|
|
|
|
|
|
|
if (dpix == 0)
|
|
|
|
dpix = 100;
|
|
|
|
|
|
|
|
if (dpiy == 0)
|
|
|
|
dpiy = 100;
|
|
|
|
|
|
|
|
pvfb->paddedBytesWidth = PixmapBytePad(pvfb->width, pvfb->depth);
|
|
|
|
pvfb->bitsPerPixel = vfbBitsPerPixel(pvfb->depth);
|
|
|
|
if (pvfb->bitsPerPixel >= 8 )
|
|
|
|
pvfb->paddedWidth = pvfb->paddedBytesWidth / (pvfb->bitsPerPixel / 8);
|
|
|
|
else
|
|
|
|
pvfb->paddedWidth = pvfb->paddedBytesWidth * 8;
|
|
|
|
pbits = vfbAllocateFramebufferMemory(pvfb);
|
|
|
|
if (!pbits) return FALSE;
|
|
|
|
|
|
|
|
switch (pvfb->depth) {
|
|
|
|
case 8:
|
|
|
|
miSetVisualTypesAndMasks (8,
|
|
|
|
((1 << StaticGray) |
|
|
|
|
(1 << GrayScale) |
|
|
|
|
(1 << StaticColor) |
|
|
|
|
(1 << PseudoColor) |
|
|
|
|
(1 << TrueColor) |
|
|
|
|
(1 << DirectColor)),
|
|
|
|
8, PseudoColor, 0, 0, 0);
|
|
|
|
break;
|
|
|
|
case 15:
|
|
|
|
miSetVisualTypesAndMasks (15,
|
|
|
|
((1 << TrueColor) |
|
|
|
|
(1 << DirectColor)),
|
|
|
|
8, TrueColor, 0x7c00, 0x03e0, 0x001f);
|
|
|
|
break;
|
|
|
|
case 16:
|
|
|
|
miSetVisualTypesAndMasks (16,
|
|
|
|
((1 << TrueColor) |
|
|
|
|
(1 << DirectColor)),
|
|
|
|
8, TrueColor, 0xf800, 0x07e0, 0x001f);
|
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
miSetVisualTypesAndMasks (24,
|
|
|
|
((1 << TrueColor) |
|
|
|
|
(1 << DirectColor)),
|
|
|
|
8, TrueColor, 0xff0000, 0x00ff00, 0x0000ff);
|
|
|
|
break;
|
2010-07-27 13:02:24 -06:00
|
|
|
case 30:
|
|
|
|
miSetVisualTypesAndMasks (30,
|
|
|
|
((1 << TrueColor) |
|
|
|
|
(1 << DirectColor)),
|
|
|
|
10, TrueColor, 0x3ff00000, 0x000ffc00, 0x000003ff);
|
|
|
|
break;
|
2006-11-26 11:13:41 -07:00
|
|
|
}
|
2009-09-06 13:44:18 -06:00
|
|
|
|
|
|
|
miSetPixmapDepths ();
|
|
|
|
|
2006-11-26 11:13:41 -07:00
|
|
|
ret = fbScreenInit(pScreen, pbits, pvfb->width, pvfb->height,
|
|
|
|
dpix, dpiy, pvfb->paddedWidth,pvfb->bitsPerPixel);
|
|
|
|
#ifdef RENDER
|
|
|
|
if (ret && Render)
|
|
|
|
fbPictureInit (pScreen, 0, 0);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (!ret) return FALSE;
|
|
|
|
|
|
|
|
miInitializeBackingStore(pScreen);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Circumvent the backing store that was just initialised. This amounts
|
|
|
|
* to a truely bizarre way of initialising SaveDoomedAreas and friends.
|
|
|
|
*/
|
|
|
|
|
|
|
|
pScreen->InstallColormap = vfbInstallColormap;
|
|
|
|
pScreen->UninstallColormap = vfbUninstallColormap;
|
|
|
|
pScreen->ListInstalledColormaps = vfbListInstalledColormaps;
|
|
|
|
|
|
|
|
pScreen->SaveScreen = vfbSaveScreen;
|
|
|
|
pScreen->StoreColors = vfbStoreColors;
|
|
|
|
|
|
|
|
miDCInitialize(pScreen, &vfbPointerCursorFuncs);
|
|
|
|
|
|
|
|
vfbWriteXWDFileHeader(pScreen);
|
|
|
|
|
|
|
|
pScreen->blackPixel = pvfb->blackPixel;
|
|
|
|
pScreen->whitePixel = pvfb->whitePixel;
|
|
|
|
|
|
|
|
ret = fbCreateDefColormap(pScreen);
|
|
|
|
|
|
|
|
miSetZeroLineBias(pScreen, pvfb->lineBias);
|
|
|
|
|
|
|
|
pvfb->closeScreen = pScreen->CloseScreen;
|
|
|
|
pScreen->CloseScreen = vfbCloseScreen;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
} /* end vfbScreenInit */
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
InitOutput(ScreenInfo *screenInfo, int argc, char **argv)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
int NumFormats = 0;
|
|
|
|
|
|
|
|
/* initialize pixmap formats */
|
|
|
|
|
|
|
|
/* must have a pixmap depth to match every screen depth */
|
|
|
|
for (i = 0; i < vfbNumScreens; i++)
|
|
|
|
{
|
|
|
|
vfbPixmapDepths[vfbScreens[i].depth] = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* RENDER needs a good set of pixmaps. */
|
|
|
|
if (Render) {
|
|
|
|
vfbPixmapDepths[1] = TRUE;
|
|
|
|
vfbPixmapDepths[4] = TRUE;
|
|
|
|
vfbPixmapDepths[8] = TRUE;
|
|
|
|
#if 0
|
|
|
|
vfbPixmapDepths[12] = TRUE;
|
|
|
|
#endif
|
|
|
|
/* vfbPixmapDepths[15] = TRUE; */
|
|
|
|
vfbPixmapDepths[16] = TRUE;
|
|
|
|
vfbPixmapDepths[24] = TRUE;
|
|
|
|
#if 0
|
|
|
|
vfbPixmapDepths[30] = TRUE;
|
|
|
|
#endif
|
|
|
|
vfbPixmapDepths[32] = TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 1; i <= 32; i++)
|
|
|
|
{
|
|
|
|
if (vfbPixmapDepths[i])
|
|
|
|
{
|
|
|
|
if (NumFormats >= MAXFORMATS)
|
|
|
|
FatalError ("MAXFORMATS is too small for this server\n");
|
|
|
|
screenInfo->formats[NumFormats].depth = i;
|
|
|
|
screenInfo->formats[NumFormats].bitsPerPixel = vfbBitsPerPixel(i);
|
|
|
|
screenInfo->formats[NumFormats].scanlinePad = BITMAP_SCANLINE_PAD;
|
|
|
|
NumFormats++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
screenInfo->imageByteOrder = IMAGE_BYTE_ORDER;
|
|
|
|
screenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
|
|
|
|
screenInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
|
|
|
|
screenInfo->bitmapBitOrder = BITMAP_BIT_ORDER;
|
|
|
|
screenInfo->numPixmapFormats = NumFormats;
|
|
|
|
|
|
|
|
/* initialize screens */
|
|
|
|
|
|
|
|
for (i = 0; i < vfbNumScreens; i++)
|
|
|
|
{
|
|
|
|
if (-1 == AddScreen(vfbScreenInit, argc, argv))
|
|
|
|
{
|
|
|
|
FatalError("Couldn't add screen %d", i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
} /* end InitOutput */
|