diff options
Diffstat (limited to 'xorg-server/hw/vfb/InitOutput.c')
| -rw-r--r-- | xorg-server/hw/vfb/InitOutput.c | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/xorg-server/hw/vfb/InitOutput.c b/xorg-server/hw/vfb/InitOutput.c new file mode 100644 index 000000000..1edceb930 --- /dev/null +++ b/xorg-server/hw/vfb/InitOutput.c @@ -0,0 +1,1034 @@ +/* + +Copyright 1993, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#if defined(WIN32) +#include <X11/Xwinsock.h> +#endif +#include <stdio.h> +#include <X11/X.h> +#define NEED_EVENTS +#include <X11/Xproto.h> +#include <X11/Xos.h> +#include "scrnintstr.h" +#include "servermd.h" +#define PSZ 8 +#include "fb.h" +#include "mibstore.h" +#include "colormapst.h" +#include "gcstruct.h" +#include "input.h" +#include "mipointer.h" +#include "micmap.h" +#include <sys/types.h> +#ifdef HAS_MMAP +#include <sys/mman.h> +#ifndef MAP_FILE +#define MAP_FILE 0 +#endif +#endif /* HAS_MMAP */ +#include <sys/stat.h> +#include <errno.h> +#ifndef WIN32 +#include <sys/param.h> +#endif +#include <X11/XWDFile.h> +#ifdef HAS_SHM +#include <sys/ipc.h> +#include <sys/shm.h> +#endif /* HAS_SHM */ +#include "dix.h" +#include "miline.h" + +#define VFB_DEFAULT_WIDTH 1280 +#define VFB_DEFAULT_HEIGHT 1024 +#define VFB_DEFAULT_DEPTH 8 +#define VFB_DEFAULT_WHITEPIXEL 1 +#define VFB_DEFAULT_BLACKPIXEL 0 +#define VFB_DEFAULT_LINEBIAS 0 +#define XWD_WINDOW_NAME_LEN 60 + +typedef struct +{ + int scrnum; + int width; + int paddedBytesWidth; + int paddedWidth; + int height; + int depth; + int bitsPerPixel; + int sizeInBytes; + int ncolors; + char *pfbMemory; + XWDColor *pXWDCmap; + XWDFileHeader *pXWDHeader; + Pixel blackPixel; + Pixel whitePixel; + unsigned int lineBias; + CloseScreenProcPtr closeScreen; + +#ifdef HAS_MMAP + int mmap_fd; + char mmap_file[MAXPATHLEN]; +#endif + +#ifdef HAS_SHM + int shmid; +#endif +} vfbScreenInfo, *vfbScreenInfoPtr; + +static int vfbNumScreens; +static vfbScreenInfo vfbScreens[MAXSCREENS]; +static Bool vfbPixmapDepths[33]; +#ifdef HAS_MMAP +static char *pfbdir = NULL; +#endif +typedef enum { NORMAL_MEMORY_FB, SHARED_MEMORY_FB, MMAPPED_FILE_FB } fbMemType; +static fbMemType fbmemtype = NORMAL_MEMORY_FB; +static char needswap = 0; +static int lastScreen = -1; +static Bool Render = TRUE; + +#define swapcopy16(_dst, _src) \ + if (needswap) { CARD16 _s = _src; cpswaps(_s, _dst); } \ + else _dst = _src; + +#define swapcopy32(_dst, _src) \ + if (needswap) { CARD32 _s = _src; cpswapl(_s, _dst); } \ + else _dst = _src; + + +static void +vfbInitializePixmapDepths(void) +{ + int i; + vfbPixmapDepths[1] = TRUE; /* always need bitmaps */ + for (i = 2; i <= 32; i++) + vfbPixmapDepths[i] = FALSE; +} + +static void +vfbInitializeDefaultScreens(void) +{ + int i; + + for (i = 0; i < MAXSCREENS; i++) + { + vfbScreens[i].scrnum = i; + vfbScreens[i].width = VFB_DEFAULT_WIDTH; + vfbScreens[i].height = VFB_DEFAULT_HEIGHT; + vfbScreens[i].depth = VFB_DEFAULT_DEPTH; + vfbScreens[i].blackPixel = VFB_DEFAULT_BLACKPIXEL; + vfbScreens[i].whitePixel = VFB_DEFAULT_WHITEPIXEL; + vfbScreens[i].lineBias = VFB_DEFAULT_LINEBIAS; + vfbScreens[i].pfbMemory = NULL; + } + vfbNumScreens = 1; +} + +static int +vfbBitsPerPixel(int depth) +{ + if (depth == 1) return 1; + else if (depth <= 8) return 8; + else if (depth <= 16) return 16; + else return 32; +} + +void +ddxGiveUp() +{ + int i; + + /* clean up the framebuffers */ + + switch (fbmemtype) + { +#ifdef HAS_MMAP + case MMAPPED_FILE_FB: + for (i = 0; i < vfbNumScreens; i++) + { + if (-1 == unlink(vfbScreens[i].mmap_file)) + { + perror("unlink"); + ErrorF("unlink %s failed, %s", + vfbScreens[i].mmap_file, strerror(errno)); + } + } + break; +#else /* HAS_MMAP */ + case MMAPPED_FILE_FB: + break; +#endif /* HAS_MMAP */ + +#ifdef HAS_SHM + case SHARED_MEMORY_FB: + for (i = 0; i < vfbNumScreens; i++) + { + if (-1 == shmdt((char *)vfbScreens[i].pXWDHeader)) + { + perror("shmdt"); + ErrorF("shmdt failed, %s", strerror(errno)); + } + } + break; +#else /* HAS_SHM */ + case SHARED_MEMORY_FB: + break; +#endif /* HAS_SHM */ + + case NORMAL_MEMORY_FB: + for (i = 0; i < vfbNumScreens; i++) + { + Xfree(vfbScreens[i].pXWDHeader); + } + break; + } +} + +void +AbortDDX() +{ + ddxGiveUp(); +} + +#ifdef __APPLE__ +void +DarwinHandleGUI(int argc, char *argv[]) +{ +} +#endif + +void +OsVendorInit() +{ +} + +void +OsVendorFatalError() +{ +} + +#if defined(DDXBEFORERESET) +void ddxBeforeReset(void) +{ + return; +} +#endif + +void +ddxUseMsg() +{ + ErrorF("-screen scrn WxHxD set screen's width, height, depth\n"); + ErrorF("-pixdepths list-of-int support given pixmap depths\n"); +#ifdef RENDER + ErrorF("+/-render turn on/of RENDER extension support" + "(default on)\n"); +#endif + ErrorF("-linebias n adjust thin line pixelization\n"); + ErrorF("-blackpixel n pixel value for black\n"); + ErrorF("-whitepixel n pixel value for white\n"); + +#ifdef HAS_MMAP + ErrorF("-fbdir directory put framebuffers in mmap'ed files in directory\n"); +#endif + +#ifdef HAS_SHM + ErrorF("-shmem put framebuffers in shared memory\n"); +#endif +} + +/* ddxInitGlobals - called by |InitGlobals| from os/util.c */ +void ddxInitGlobals(void) +{ +} + +int +ddxProcessArgument(int argc, char *argv[], int i) +{ + static Bool firstTime = TRUE; + + if (firstTime) + { + vfbInitializeDefaultScreens(); + vfbInitializePixmapDepths(); + firstTime = FALSE; + } + +#define CHECK_FOR_REQUIRED_ARGUMENTS(num) \ + if (((i + num) >= argc) || (!argv[i + num])) { \ + ErrorF("Required argument to %s not specified\n", argv[i]); \ + UseMsg(); \ + FatalError("Required argument to %s not specified\n", argv[i]); \ + } + + if (strcmp (argv[i], "-screen") == 0) /* -screen n WxHxD */ + { + int screenNum; + CHECK_FOR_REQUIRED_ARGUMENTS(2); + screenNum = atoi(argv[i+1]); + if (screenNum < 0 || screenNum >= MAXSCREENS) + { + ErrorF("Invalid screen number %d\n", screenNum); + UseMsg(); + FatalError("Invalid screen number %d passed to -screen\n", + screenNum); + } + if (3 != sscanf(argv[i+2], "%dx%dx%d", + &vfbScreens[screenNum].width, + &vfbScreens[screenNum].height, + &vfbScreens[screenNum].depth)) + { + ErrorF("Invalid screen configuration %s\n", argv[i+2]); + UseMsg(); + FatalError("Invalid screen configuration %s for -screen %d\n", + argv[i+2], screenNum); + } + + if (screenNum >= vfbNumScreens) + vfbNumScreens = screenNum + 1; + lastScreen = screenNum; + return 3; + } + + if (strcmp (argv[i], "-pixdepths") == 0) /* -pixdepths list-of-depth */ + { + int depth, ret = 1; + + CHECK_FOR_REQUIRED_ARGUMENTS(1); + while ((++i < argc) && (depth = atoi(argv[i])) != 0) + { + if (depth < 0 || depth > 32) + { + ErrorF("Invalid pixmap depth %d\n", depth); + UseMsg(); + FatalError("Invalid pixmap depth %d passed to -pixdepths\n", + depth); + } + vfbPixmapDepths[depth] = TRUE; + ret++; + } + return ret; + } + + if (strcmp (argv[i], "+render") == 0) /* +render */ + { + Render = TRUE; + return 1; + } + + if (strcmp (argv[i], "-render") == 0) /* -render */ + { + Render = FALSE; +#ifdef COMPOSITE + noCompositeExtension = TRUE; +#endif + return 1; + } + + if (strcmp (argv[i], "-blackpixel") == 0) /* -blackpixel n */ + { + Pixel pix; + CHECK_FOR_REQUIRED_ARGUMENTS(1); + pix = atoi(argv[++i]); + if (-1 == lastScreen) + { + int i; + for (i = 0; i < MAXSCREENS; i++) + { + vfbScreens[i].blackPixel = pix; + } + } + else + { + vfbScreens[lastScreen].blackPixel = pix; + } + return 2; + } + + if (strcmp (argv[i], "-whitepixel") == 0) /* -whitepixel n */ + { + Pixel pix; + CHECK_FOR_REQUIRED_ARGUMENTS(1); + pix = atoi(argv[++i]); + if (-1 == lastScreen) + { + int i; + for (i = 0; i < MAXSCREENS; i++) + { + vfbScreens[i].whitePixel = pix; + } + } + 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); + + ppix = (Pixel *)xalloc(entries * sizeof(Pixel)); + prgb = (xrgb *)xalloc(entries * sizeof(xrgb)); + defs = (xColorItem *)xalloc(entries * sizeof(xColorItem)); + + 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); + + xfree(ppix); + xfree(prgb); + xfree(defs); + } +} + +static void +vfbUninstallColormap(ColormapPtr pmap) +{ + ColormapPtr curpmap = InstalledMaps[pmap->pScreen->myNum]; + + if(pmap == curpmap) + { + if (pmap->mid != pmap->pScreen->defColormap) + { + curpmap = (ColormapPtr) LookupIDByType(pmap->pScreen->defColormap, + RT_COLORMAP); + (*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"); + ErrorF("msync failed, %s", strerror(errno)); + } + } +} + + +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"); + ErrorF("open %s failed, %s", pvfb->mmap_file, strerror(errno)); + 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"); + ErrorF("write %s failed, %s", pvfb->mmap_file, strerror(errno)); + 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"); + ErrorF("mmap %s failed, %s", pvfb->mmap_file, strerror(errno)); + 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"); + ErrorF("shmget %d bytes failed, %s", pvfb->sizeInBytes, strerror(errno)); + return; + } + + /* try to attach it */ + + pvfb->pXWDHeader = (XWDFileHeader *)shmat(pvfb->shmid, 0, 0); + if (-1 == (long)pvfb->pXWDHeader) + { + perror("shmat"); + ErrorF("shmat failed, %s", strerror(errno)); + 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; + + miSetPixmapDepths (); + + 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; +#if 0 + /* 12bit PseudoColor with 12bit color resolution + * (to simulate SGI hardware and the 12bit PseudoColor emulation layer) */ + case 12: + miSetVisualTypesAndMasks (12, + ((1 << StaticGray) | + (1 << GrayScale) | + (1 << StaticColor) | + (1 << PseudoColor) | + (1 << TrueColor) | + (1 << DirectColor)), + 12, PseudoColor, 0, 0, 0); + break; +#endif + 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; +#if 0 + /* 30bit TrueColor (to simulate Sun's XVR-1000/-4000 high quality + * framebuffer series) */ + case 30: + miSetVisualTypesAndMasks (30, + ((1 << TrueColor) | + (1 << DirectColor)), + 10, TrueColor, 0x3ff00000, 0x000ffc00, 0x000003ff); + break; +#endif + } + + 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 */ + +/* this is just to get the server to link on AIX */ +#ifdef AIXV3 +int SelectWaitTime = 10000; /* usec */ +#endif |