diff options
author | marha <marha@users.sourceforge.net> | 2011-08-01 09:13:47 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-08-01 09:13:47 +0200 |
commit | 6730a76afc49a80573b2e582085086c2956fe96d (patch) | |
tree | 1478eb4f497670caeb2af983eadc4aee20f48b68 /xorg-server/hw/vfb/InitOutput.c | |
parent | a69cff9373daf6b7afc97fb975ceb4fc0d6864f7 (diff) | |
parent | f87ad0cdc41af88f134475ab50b0d604004d9cdc (diff) | |
download | vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.tar.gz vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.tar.bz2 vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
mesalib/src/glsl/ast_function.cpp
mesalib/src/glsl/glsl_types.cpp
mesalib/src/mesa/main/teximage.c
mesalib/src/mesa/main/texparam.c
xorg-server/config/udev.c
xorg-server/configure.ac
xorg-server/dix/main.c
xorg-server/hw/dmx/dmxinit.c
xorg-server/hw/kdrive/src/kdrive.c
xorg-server/hw/xfree86/common/xf86Config.c
xorg-server/hw/xfree86/common/xf86Configure.c
xorg-server/hw/xfree86/common/xf86Helper.c
xorg-server/hw/xfree86/common/xf86Init.c
xorg-server/hw/xfree86/common/xf86Option.c
xorg-server/hw/xfree86/common/xf86Priv.h
xorg-server/hw/xfree86/common/xf86Xinput.c
xorg-server/hw/xnest/Init.c
xorg-server/hw/xquartz/darwin.c
xorg-server/hw/xwin/InitOutput.c
xorg-server/hw/xwin/winerror.c
xorg-server/hw/xwin/xlaunch/config.cc
xorg-server/hw/xwin/xlaunch/config.h
xorg-server/hw/xwin/xlaunch/main.cc
xorg-server/hw/xwin/xlaunch/resources/dialog.rc
xorg-server/hw/xwin/xlaunch/resources/resources.h
xorg-server/hw/xwin/xlaunch/resources/resources.rc
xorg-server/hw/xwin/xlaunch/resources/strings.rc
xorg-server/hw/xwin/xlaunch/window/util.cc
xorg-server/hw/xwin/xlaunch/window/util.h
xorg-server/hw/xwin/xlaunch/window/wizard.h
xorg-server/include/os.h
xorg-server/os/log.c
xorg-server/xkeyboard-config/symbols/lv
Diffstat (limited to 'xorg-server/hw/vfb/InitOutput.c')
-rw-r--r-- | xorg-server/hw/vfb/InitOutput.c | 1938 |
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 */ |