aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/vfb
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/vfb')
-rw-r--r--xorg-server/hw/vfb/InitOutput.c1938
1 files changed, 969 insertions, 969 deletions
diff --git a/xorg-server/hw/vfb/InitOutput.c b/xorg-server/hw/vfb/InitOutput.c
index 04253dc5a..31ed50533 100644
--- a/xorg-server/hw/vfb/InitOutput.c
+++ b/xorg-server/hw/vfb/InitOutput.c
@@ -1,969 +1,969 @@
-/*
-
-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>
-#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 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;
-static vfbScreenInfo defaultScreenInfo = {
- .width = VFB_DEFAULT_WIDTH,
- .height = VFB_DEFAULT_HEIGHT,
- .depth = VFB_DEFAULT_DEPTH,
- .blackPixel = VFB_DEFAULT_BLACKPIXEL,
- .whitePixel = VFB_DEFAULT_WHITEPIXEL,
- .lineBias = VFB_DEFAULT_LINEBIAS,
-};
-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 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 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(void)
-{
- 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++)
- {
- free(vfbScreens[i].pXWDHeader);
- }
- break;
- }
-}
-
-void
-AbortDDX(void)
-{
- ddxGiveUp();
-}
-
-#ifdef __APPLE__
-void
-DarwinHandleGUI(int argc, char *argv[])
-{
-}
-#endif
-
-void
-OsVendorInit(void)
-{
-}
-
-void
-OsVendorFatalError(void)
-{
-}
-
-#if defined(DDXBEFORERESET)
-void ddxBeforeReset(void)
-{
- return;
-}
-#endif
-
-void
-ddxUseMsg(void)
-{
- ErrorF("-screen scrn WxHxD set screen's width, height, depth\n");
- ErrorF("-pixdepths list-of-int support given pixmap depths\n");
- ErrorF("+/-render turn on/off RENDER extension support"
- "(default on)\n");
- 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
-}
-
-int
-ddxProcessArgument(int argc, char *argv[], int i)
-{
- static Bool firstTime = TRUE;
- static int lastScreen = -1;
- vfbScreenInfo *currentScreen;
-
- if (firstTime)
- {
- vfbInitializePixmapDepths();
- firstTime = FALSE;
- }
-
- if (lastScreen == -1)
- currentScreen = &defaultScreenInfo;
- else
- currentScreen = &vfbScreens[lastScreen];
-
-#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)
- {
- ErrorF("Invalid screen number %d\n", screenNum);
- UseMsg();
- FatalError("Invalid screen number %d passed to -screen\n",
- screenNum);
- }
-
- if (vfbNumScreens <= screenNum)
- {
- vfbScreens = realloc(vfbScreens, sizeof(*vfbScreens) * (screenNum + 1));
- if (!vfbScreens)
- FatalError("Not enough memory for screen %d\n", screenNum);
- for (; vfbNumScreens <= screenNum; ++vfbNumScreens)
- vfbScreens[vfbNumScreens] = defaultScreenInfo;
- }
-
- 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);
- }
-
- 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 */
- {
- CHECK_FOR_REQUIRED_ARGUMENTS(1);
- currentScreen->blackPixel = atoi(argv[++i]);
- return 2;
- }
-
- if (strcmp (argv[i], "-whitepixel") == 0) /* -whitepixel n */
- {
- CHECK_FOR_REQUIRED_ARGUMENTS(1);
- currentScreen->whitePixel = atoi(argv[++i]);
- return 2;
- }
-
- if (strcmp (argv[i], "-linebias") == 0) /* -linebias n */
- {
- CHECK_FOR_REQUIRED_ARGUMENTS(1);
- currentScreen->lineBias = atoi(argv[++i]);
- 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 DevPrivateKeyRec cmapScrPrivateKeyRec;
-#define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
-
-#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
-#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
-
-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 = GetInstalledColormap(pScreen)->mid;
- return 1;
-}
-
-
-static void
-vfbInstallColormap(ColormapPtr pmap)
-{
- ColormapPtr oldpmap = GetInstalledColormap(pmap->pScreen);
-
- 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 */
- SetInstalledColormap(pmap->pScreen, 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 *)malloc(entries * sizeof(Pixel));
- prgb = (xrgb *)malloc(entries * sizeof(xrgb));
- defs = (xColorItem *)malloc(entries * sizeof(xColorItem));
-
- for (i = 0; i < entries; i++) ppix[i] = i;
- /* XXX truecolor */
- QueryColors(pmap, entries, ppix, prgb, serverClient);
-
- 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);
-
- free(ppix);
- free(prgb);
- free(defs);
- }
-}
-
-static void
-vfbUninstallColormap(ColormapPtr pmap)
-{
- ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);
-
- if(pmap == curpmap)
- {
- if (pmap->mid != pmap->pScreen->defColormap)
- {
- dixLookupResourceByType((pointer *)&curpmap,
- pmap->pScreen->defColormap,
- RT_COLORMAP, serverClient,
- DixInstallAccess);
- (*pmap->pScreen->InstallColormap)(curpmap);
- }
- }
-}
-
-static void
-vfbStoreColors(ColormapPtr pmap, int ndef, xColorItem *pdefs)
-{
- XWDColor *pXWDCmap;
- int i;
-
- if (pmap != GetInstalledColormap(pmap->pScreen))
- {
- 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, (int) (pvfb - vfbScreens));
- 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 */
-
- memset(dummyBuffer, 0, 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", (int) (pvfb - vfbScreens), 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 *)malloc(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 installed colormaps so that server reset works correctly.
- */
- for (i = 0; i < screenInfo.numScreens; i++)
- SetInstalledColormap(screenInfo.screens[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 (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
-
- 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;
- case 30:
- miSetVisualTypesAndMasks (30,
- ((1 << TrueColor) |
- (1 << DirectColor)),
- 10, TrueColor, 0x3ff00000, 0x000ffc00, 0x000003ff);
- break;
- }
-
- miSetPixmapDepths ();
-
- ret = fbScreenInit(pScreen, pbits, pvfb->width, pvfb->height,
- dpix, dpiy, pvfb->paddedWidth,pvfb->bitsPerPixel);
- if (ret && Render)
- fbPictureInit (pScreen, 0, 0);
-
- if (!ret) return FALSE;
-
- 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 */
-
- if (vfbNumScreens < 1)
- {
- vfbScreens = &defaultScreenInfo;
- vfbNumScreens = 1;
- }
- for (i = 0; i < vfbNumScreens; i++)
- {
- if (-1 == AddScreen(vfbScreenInit, argc, argv))
- {
- FatalError("Couldn't add screen %d", i);
- }
- }
-
-} /* end InitOutput */
+/*
+
+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>
+#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 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;
+static vfbScreenInfo defaultScreenInfo = {
+ .width = VFB_DEFAULT_WIDTH,
+ .height = VFB_DEFAULT_HEIGHT,
+ .depth = VFB_DEFAULT_DEPTH,
+ .blackPixel = VFB_DEFAULT_BLACKPIXEL,
+ .whitePixel = VFB_DEFAULT_WHITEPIXEL,
+ .lineBias = VFB_DEFAULT_LINEBIAS,
+};
+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 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 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(enum ExitCode error)
+{
+ 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++)
+ {
+ free(vfbScreens[i].pXWDHeader);
+ }
+ break;
+ }
+}
+
+void
+AbortDDX(enum ExitCode error)
+{
+ ddxGiveUp(error);
+}
+
+#ifdef __APPLE__
+void
+DarwinHandleGUI(int argc, char *argv[])
+{
+}
+#endif
+
+void
+OsVendorInit(void)
+{
+}
+
+void
+OsVendorFatalError(void)
+{
+}
+
+#if defined(DDXBEFORERESET)
+void ddxBeforeReset(void)
+{
+ return;
+}
+#endif
+
+void
+ddxUseMsg(void)
+{
+ ErrorF("-screen scrn WxHxD set screen's width, height, depth\n");
+ ErrorF("-pixdepths list-of-int support given pixmap depths\n");
+ ErrorF("+/-render turn on/off RENDER extension support"
+ "(default on)\n");
+ 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
+}
+
+int
+ddxProcessArgument(int argc, char *argv[], int i)
+{
+ static Bool firstTime = TRUE;
+ static int lastScreen = -1;
+ vfbScreenInfo *currentScreen;
+
+ if (firstTime)
+ {
+ vfbInitializePixmapDepths();
+ firstTime = FALSE;
+ }
+
+ if (lastScreen == -1)
+ currentScreen = &defaultScreenInfo;
+ else
+ currentScreen = &vfbScreens[lastScreen];
+
+#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)
+ {
+ ErrorF("Invalid screen number %d\n", screenNum);
+ UseMsg();
+ FatalError("Invalid screen number %d passed to -screen\n",
+ screenNum);
+ }
+
+ if (vfbNumScreens <= screenNum)
+ {
+ vfbScreens = realloc(vfbScreens, sizeof(*vfbScreens) * (screenNum + 1));
+ if (!vfbScreens)
+ FatalError("Not enough memory for screen %d\n", screenNum);
+ for (; vfbNumScreens <= screenNum; ++vfbNumScreens)
+ vfbScreens[vfbNumScreens] = defaultScreenInfo;
+ }
+
+ 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);
+ }
+
+ 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 */
+ {
+ CHECK_FOR_REQUIRED_ARGUMENTS(1);
+ currentScreen->blackPixel = atoi(argv[++i]);
+ return 2;
+ }
+
+ if (strcmp (argv[i], "-whitepixel") == 0) /* -whitepixel n */
+ {
+ CHECK_FOR_REQUIRED_ARGUMENTS(1);
+ currentScreen->whitePixel = atoi(argv[++i]);
+ return 2;
+ }
+
+ if (strcmp (argv[i], "-linebias") == 0) /* -linebias n */
+ {
+ CHECK_FOR_REQUIRED_ARGUMENTS(1);
+ currentScreen->lineBias = atoi(argv[++i]);
+ 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 DevPrivateKeyRec cmapScrPrivateKeyRec;
+#define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
+
+#define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
+#define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
+
+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 = GetInstalledColormap(pScreen)->mid;
+ return 1;
+}
+
+
+static void
+vfbInstallColormap(ColormapPtr pmap)
+{
+ ColormapPtr oldpmap = GetInstalledColormap(pmap->pScreen);
+
+ 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 */
+ SetInstalledColormap(pmap->pScreen, 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 *)malloc(entries * sizeof(Pixel));
+ prgb = (xrgb *)malloc(entries * sizeof(xrgb));
+ defs = (xColorItem *)malloc(entries * sizeof(xColorItem));
+
+ for (i = 0; i < entries; i++) ppix[i] = i;
+ /* XXX truecolor */
+ QueryColors(pmap, entries, ppix, prgb, serverClient);
+
+ 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);
+
+ free(ppix);
+ free(prgb);
+ free(defs);
+ }
+}
+
+static void
+vfbUninstallColormap(ColormapPtr pmap)
+{
+ ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);
+
+ if(pmap == curpmap)
+ {
+ if (pmap->mid != pmap->pScreen->defColormap)
+ {
+ dixLookupResourceByType((pointer *)&curpmap,
+ pmap->pScreen->defColormap,
+ RT_COLORMAP, serverClient,
+ DixInstallAccess);
+ (*pmap->pScreen->InstallColormap)(curpmap);
+ }
+ }
+}
+
+static void
+vfbStoreColors(ColormapPtr pmap, int ndef, xColorItem *pdefs)
+{
+ XWDColor *pXWDCmap;
+ int i;
+
+ if (pmap != GetInstalledColormap(pmap->pScreen))
+ {
+ 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, (int) (pvfb - vfbScreens));
+ 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 */
+
+ memset(dummyBuffer, 0, 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", (int) (pvfb - vfbScreens), 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 *)malloc(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 installed colormaps so that server reset works correctly.
+ */
+ for (i = 0; i < screenInfo.numScreens; i++)
+ SetInstalledColormap(screenInfo.screens[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 (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+
+ 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;
+ case 30:
+ miSetVisualTypesAndMasks (30,
+ ((1 << TrueColor) |
+ (1 << DirectColor)),
+ 10, TrueColor, 0x3ff00000, 0x000ffc00, 0x000003ff);
+ break;
+ }
+
+ miSetPixmapDepths ();
+
+ ret = fbScreenInit(pScreen, pbits, pvfb->width, pvfb->height,
+ dpix, dpiy, pvfb->paddedWidth,pvfb->bitsPerPixel);
+ if (ret && Render)
+ fbPictureInit (pScreen, 0, 0);
+
+ if (!ret) return FALSE;
+
+ 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 */
+
+ if (vfbNumScreens < 1)
+ {
+ vfbScreens = &defaultScreenInfo;
+ vfbNumScreens = 1;
+ }
+ for (i = 0; i < vfbNumScreens; i++)
+ {
+ if (-1 == AddScreen(vfbScreenInit, argc, argv))
+ {
+ FatalError("Couldn't add screen %d", i);
+ }
+ }
+
+} /* end InitOutput */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:17:43 +0000