dix: remove all but main() from main.c

All other functions are pushed into where they seemed to fit.
main.c is now linked separately into libmain.a and linked in by the various
DDXs.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 339 insertions, 2 deletions

diff --git a/dix/dispatch.c b/dix/dispatch.c
index a9f936707..16a51bdc5 100644
--- a/dix/dispatch.c
+++ b/dix/dispatch.c
@@ -107,6 +107,7 @@ Equipment Corporation.
 
 #ifdef HAVE_DIX_CONFIG_H
 #include <dix-config.h>
+#include <version-config.h>
 #endif
 
 #ifdef PANORAMIX_DEBUG
@@ -134,6 +135,7 @@ int ProcInitialConnection();
 #include "xace.h"
 #include "inputstr.h"
 #include "xkbsrv.h"
+#include "site.h"
 
 #ifdef XSERVER_DTRACE
 #include "registry.h"
@@ -150,7 +152,9 @@ typedef const char *string;
 #define BITCLEAR(buf, i) MASKWORD(buf, i) &= ~BITMASK(i)
 #define GETBIT(buf, i) (MASKWORD(buf, i) & BITMASK(i))
 
-extern xConnSetupPrefix connSetupPrefix;
+xConnSetupPrefix connSetupPrefix;
+
+PaddingInfo PixmapWidthPaddingInfo[33];
 
 static ClientPtr grabClient;
 #define GrabNone 0
@@ -160,7 +164,7 @@ static int grabState = GrabNone;
 static long grabWaiters[mskcnt];
 CallbackListPtr ServerGrabCallback = NULL;
 HWEventQueuePtr checkForInput[2];
-extern int connBlockScreenStart;
+int connBlockScreenStart;
 
 static void KillAllClients(void);
 
@@ -461,6 +465,166 @@ Dispatch(void)
 
 #undef MAJOROP
 
+static int  VendorRelease = VENDOR_RELEASE;
+static char *VendorString = VENDOR_NAME;
+
+static const int padlength[4] = {0, 3, 2, 1};
+
+void
+SetVendorRelease(int release)
+{
+    VendorRelease = release;
+}
+
+void
+SetVendorString(char *string)
+{
+    VendorString = string;
+}
+
+Bool
+CreateConnectionBlock(void)
+{
+    xConnSetup setup;
+    xWindowRoot root;
+    xDepth	depth;
+    xVisualType visual;
+    xPixmapFormat format;
+    unsigned long vid;
+    int i, j, k,
+        lenofblock,
+        sizesofar = 0;
+    char *pBuf;
+
+
+    memset(&setup, 0, sizeof(xConnSetup));
+    /* Leave off the ridBase and ridMask, these must be sent with
+       connection */
+
+    setup.release = VendorRelease;
+    /*
+     * per-server image and bitmap parameters are defined in Xmd.h
+     */
+    setup.imageByteOrder = screenInfo.imageByteOrder;
+
+    setup.bitmapScanlineUnit = screenInfo.bitmapScanlineUnit;
+    setup.bitmapScanlinePad = screenInfo.bitmapScanlinePad;
+
+    setup.bitmapBitOrder = screenInfo.bitmapBitOrder;
+    setup.motionBufferSize = NumMotionEvents();
+    setup.numRoots = screenInfo.numScreens;
+    setup.nbytesVendor = strlen(VendorString);
+    setup.numFormats = screenInfo.numPixmapFormats;
+    setup.maxRequestSize = MAX_REQUEST_SIZE;
+    QueryMinMaxKeyCodes(&setup.minKeyCode, &setup.maxKeyCode);
+
+    lenofblock = sizeof(xConnSetup) +
+            ((setup.nbytesVendor + 3) & ~3) +
+	    (setup.numFormats * sizeof(xPixmapFormat)) +
+            (setup.numRoots * sizeof(xWindowRoot));
+    ConnectionInfo = xalloc(lenofblock);
+    if (!ConnectionInfo)
+	return FALSE;
+
+    memmove(ConnectionInfo, (char *)&setup, sizeof(xConnSetup));
+    sizesofar = sizeof(xConnSetup);
+    pBuf = ConnectionInfo + sizeof(xConnSetup);
+
+    memmove(pBuf, VendorString, (int)setup.nbytesVendor);
+    sizesofar += setup.nbytesVendor;
+    pBuf += setup.nbytesVendor;
+    i = padlength[setup.nbytesVendor & 3];
+    sizesofar += i;
+    while (--i >= 0)
+	*pBuf++ = 0;
+
+    memset(&format, 0, sizeof(xPixmapFormat));
+    for (i=0; i<screenInfo.numPixmapFormats; i++)
+    {
+	format.depth = screenInfo.formats[i].depth;
+	format.bitsPerPixel = screenInfo.formats[i].bitsPerPixel;
+	format.scanLinePad = screenInfo.formats[i].scanlinePad;
+	memmove(pBuf, (char *)&format, sizeof(xPixmapFormat));
+	pBuf += sizeof(xPixmapFormat);
+	sizesofar += sizeof(xPixmapFormat);
+    }
+
+    connBlockScreenStart = sizesofar;
+    memset(&depth, 0, sizeof(xDepth));
+    memset(&visual, 0, sizeof(xVisualType));
+    for (i=0; i<screenInfo.numScreens; i++)
+    {
+	ScreenPtr	pScreen;
+	DepthPtr	pDepth;
+	VisualPtr	pVisual;
+
+	pScreen = screenInfo.screens[i];
+	root.windowId = WindowTable[i]->drawable.id;
+	root.defaultColormap = pScreen->defColormap;
+	root.whitePixel = pScreen->whitePixel;
+	root.blackPixel = pScreen->blackPixel;
+	root.currentInputMask = 0;    /* filled in when sent */
+	root.pixWidth = pScreen->width;
+	root.pixHeight = pScreen->height;
+	root.mmWidth = pScreen->mmWidth;
+	root.mmHeight = pScreen->mmHeight;
+	root.minInstalledMaps = pScreen->minInstalledCmaps;
+	root.maxInstalledMaps = pScreen->maxInstalledCmaps;
+	root.rootVisualID = pScreen->rootVisual;
+	root.backingStore = pScreen->backingStoreSupport;
+	root.saveUnders = FALSE;
+	root.rootDepth = pScreen->rootDepth;
+	root.nDepths = pScreen->numDepths;
+	memmove(pBuf, (char *)&root, sizeof(xWindowRoot));
+	sizesofar += sizeof(xWindowRoot);
+	pBuf += sizeof(xWindowRoot);
+
+	pDepth = pScreen->allowedDepths;
+	for(j = 0; j < pScreen->numDepths; j++, pDepth++)
+	{
+	    lenofblock += sizeof(xDepth) +
+		    (pDepth->numVids * sizeof(xVisualType));
+	    pBuf = (char *)xrealloc(ConnectionInfo, lenofblock);
+	    if (!pBuf)
+	    {
+		xfree(ConnectionInfo);
+		return FALSE;
+	    }
+	    ConnectionInfo = pBuf;
+	    pBuf += sizesofar;
+	    depth.depth = pDepth->depth;
+	    depth.nVisuals = pDepth->numVids;
+	    memmove(pBuf, (char *)&depth, sizeof(xDepth));
+	    pBuf += sizeof(xDepth);
+	    sizesofar += sizeof(xDepth);
+	    for(k = 0; k < pDepth->numVids; k++)
+	    {
+		vid = pDepth->vids[k];
+		for (pVisual = pScreen->visuals;
+		     pVisual->vid != vid;
+		     pVisual++)
+		    ;
+		visual.visualID = vid;
+		visual.class = pVisual->class;
+		visual.bitsPerRGB = pVisual->bitsPerRGBValue;
+		visual.colormapEntries = pVisual->ColormapEntries;
+		visual.redMask = pVisual->redMask;
+		visual.greenMask = pVisual->greenMask;
+		visual.blueMask = pVisual->blueMask;
+		memmove(pBuf, (char *)&visual, sizeof(xVisualType));
+		pBuf += sizeof(xVisualType);
+		sizesofar += sizeof(xVisualType);
+	    }
+	}
+    }
+    connSetupPrefix.success = xTrue;
+    connSetupPrefix.length = lenofblock/4;
+    connSetupPrefix.majorVersion = X_PROTOCOL;
+    connSetupPrefix.minorVersion = X_PROTOCOL_REVISION;
+    return TRUE;
+}
+
+
 int
 ProcBadRequest(ClientPtr client)
 {
@@ -3700,3 +3864,176 @@ MarkClientException(ClientPtr client)
 {
     client->noClientException = -1;
 }
+
+/*
+ * This array encodes the answer to the question "what is the log base 2
+ * of the number of pixels that fit in a scanline pad unit?"
+ * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
+ */
+static int answer[6][4] = {
+	/* pad   pad   pad     pad*/
+	/*  8     16    32    64 */
+
+	{   3,     4,    5 ,   6 },	/* 1 bit per pixel */
+	{   1,     2,    3 ,   4 },	/* 4 bits per pixel */
+	{   0,     1,    2 ,   3 },	/* 8 bits per pixel */
+	{   ~0,    0,    1 ,   2 },	/* 16 bits per pixel */
+	{   ~0,    ~0,   0 ,   1 },	/* 24 bits per pixel */
+	{   ~0,    ~0,   0 ,   1 }	/* 32 bits per pixel */
+};
+
+/*
+ * This array gives the answer to the question "what is the first index for
+ * the answer array above given the number of bits per pixel?"
+ * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
+ */
+static int indexForBitsPerPixel[ 33 ] = {
+	~0, 0, ~0, ~0,	/* 1 bit per pixel */
+	1, ~0, ~0, ~0,	/* 4 bits per pixel */
+	2, ~0, ~0, ~0,	/* 8 bits per pixel */
+	~0,~0, ~0, ~0,
+	3, ~0, ~0, ~0,	/* 16 bits per pixel */
+	~0,~0, ~0, ~0,
+	4, ~0, ~0, ~0,	/* 24 bits per pixel */
+	~0,~0, ~0, ~0,
+	5		/* 32 bits per pixel */
+};
+
+/*
+ * This array gives the bytesperPixel value for cases where the number
+ * of bits per pixel is a multiple of 8 but not a power of 2.
+ */
+static int answerBytesPerPixel[ 33 ] = {
+	~0, 0, ~0, ~0,	/* 1 bit per pixel */
+	0, ~0, ~0, ~0,	/* 4 bits per pixel */
+	0, ~0, ~0, ~0,	/* 8 bits per pixel */
+	~0,~0, ~0, ~0,
+	0, ~0, ~0, ~0,	/* 16 bits per pixel */
+	~0,~0, ~0, ~0,
+	3, ~0, ~0, ~0,	/* 24 bits per pixel */
+	~0,~0, ~0, ~0,
+	0		/* 32 bits per pixel */
+};
+
+/*
+ * This array gives the answer to the question "what is the second index for
+ * the answer array above given the number of bits per scanline pad unit?"
+ * Note that ~0 is an invalid entry (mostly for the benefit of the reader).
+ */
+static int indexForScanlinePad[ 65 ] = {
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	 0, ~0, ~0, ~0,	/* 8 bits per scanline pad unit */
+	~0, ~0, ~0, ~0,
+	 1, ~0, ~0, ~0,	/* 16 bits per scanline pad unit */
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	 2, ~0, ~0, ~0,	/* 32 bits per scanline pad unit */
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	~0, ~0, ~0, ~0,
+	 3		/* 64 bits per scanline pad unit */
+};
+
+#ifndef MIN
+#define MIN(a,b) (((a) < (b)) ? (a) : (b))
+#endif
+
+/*
+	grow the array of screenRecs if necessary.
+	call the device-supplied initialization procedure
+with its screen number, a pointer to its ScreenRec, argc, and argv.
+	return the number of successfully installed screens.
+
+*/
+
+int
+AddScreen(
+    Bool	(* pfnInit)(
+	int /*index*/,
+	ScreenPtr /*pScreen*/,
+	int /*argc*/,
+	char ** /*argv*/
+		),
+    int argc,
+    char **argv)
+{
+
+    int i;
+    int scanlinepad, format, depth, bitsPerPixel, j, k;
+    ScreenPtr pScreen;
+
+    i = screenInfo.numScreens;
+    if (i == MAXSCREENS)
+	return -1;
+
+    pScreen = (ScreenPtr) xcalloc(1, sizeof(ScreenRec));
+    if (!pScreen)
+	return -1;
+
+    pScreen->devPrivates = NULL;
+    pScreen->myNum = i;
+    pScreen->totalPixmapSize = BitmapBytePad(sizeof(PixmapRec)*8);
+    pScreen->ClipNotify = 0;	/* for R4 ddx compatibility */
+    pScreen->CreateScreenResources = 0;
+
+    /*
+     * This loop gets run once for every Screen that gets added,
+     * but thats ok.  If the ddx layer initializes the formats
+     * one at a time calling AddScreen() after each, then each
+     * iteration will make it a little more accurate.  Worst case
+     * we do this loop N * numPixmapFormats where N is # of screens.
+     * Anyway, this must be called after InitOutput and before the
+     * screen init routine is called.
+     */
+    for (format=0; format<screenInfo.numPixmapFormats; format++)
+    {
+	depth = screenInfo.formats[format].depth;
+	bitsPerPixel = screenInfo.formats[format].bitsPerPixel;
+	scanlinepad = screenInfo.formats[format].scanlinePad;
+	j = indexForBitsPerPixel[ bitsPerPixel ];
+	k = indexForScanlinePad[ scanlinepad ];
+	PixmapWidthPaddingInfo[ depth ].padPixelsLog2 = answer[j][k];
+	PixmapWidthPaddingInfo[ depth ].padRoundUp =
+	    (scanlinepad/bitsPerPixel) - 1;
+	j = indexForBitsPerPixel[ 8 ]; /* bits per byte */
+	PixmapWidthPaddingInfo[ depth ].padBytesLog2 = answer[j][k];
+	PixmapWidthPaddingInfo[ depth ].bitsPerPixel = bitsPerPixel;
+	if (answerBytesPerPixel[bitsPerPixel])
+	{
+	    PixmapWidthPaddingInfo[ depth ].notPower2 = 1;
+	    PixmapWidthPaddingInfo[ depth ].bytesPerPixel =
+		answerBytesPerPixel[bitsPerPixel];
+	}
+	else
+	{
+	    PixmapWidthPaddingInfo[ depth ].notPower2 = 0;
+	}
+    }
+
+    /* This is where screen specific stuff gets initialized.  Load the
+       screen structure, call the hardware, whatever.
+       This is also where the default colormap should be allocated and
+       also pixel values for blackPixel, whitePixel, and the cursor
+       Note that InitScreen is NOT allowed to modify argc, argv, or
+       any of the strings pointed to by argv.  They may be passed to
+       multiple screens.
+    */
+    pScreen->rgf = ~0L;  /* there are no scratch GCs yet*/
+    WindowTable[i] = NullWindow;
+    screenInfo.screens[i] = pScreen;
+    screenInfo.numScreens++;
+    if (!(*pfnInit)(i, pScreen, argc, argv))
+    {
+	dixFreePrivates(pScreen->devPrivates);
+	xfree(pScreen);
+	screenInfo.numScreens--;
+	return -1;
+    }
+    return i;
+}