Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 307 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/Xext/xf86dga.c b/nx-X11/programs/Xserver/Xext/xf86dga.c
new file mode 100644
index 000000000..9979bfb30
--- /dev/null
+++ b/nx-X11/programs/Xserver/Xext/xf86dga.c
@@ -0,0 +1,307 @@
+/* $XFree86: xc/programs/Xserver/Xext/xf86dga.c,v 3.21 2000/06/30 19:06:54 keithp Exp $ */
+
+/*
+
+Copyright (c) 1995  Jon Tombs
+Copyright (c) 1995, 1996, 1999  XFree86 Inc
+
+*/
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#define _XF86DGA_SERVER_
+#include <X11/extensions/xf86dga.h>
+#include <X11/extensions/xf86dgastr.h>
+#include "swaprep.h"
+#include "dgaproc.h"
+
+#include "xf86dgaext.h"
+
+
+static DISPATCH_PROC(ProcXF86DGADirectVideo);
+static DISPATCH_PROC(ProcXF86DGAGetVidPage);
+static DISPATCH_PROC(ProcXF86DGAGetVideoLL);
+static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);
+static DISPATCH_PROC(ProcXF86DGASetVidPage);
+static DISPATCH_PROC(ProcXF86DGASetViewPort);
+static DISPATCH_PROC(ProcXF86DGAInstallColormap);
+static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);
+static DISPATCH_PROC(ProcXF86DGAViewPortChanged);
+
+
+static int
+ProcXF86DGAGetVideoLL(ClientPtr client)
+{
+    REQUEST(xXF86DGAGetVideoLLReq);
+    xXF86DGAGetVideoLLReply rep;
+    XDGAModeRec mode;
+    int num, offset, flags;
+    char *name;
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    if(!DGAAvailable(stuff->screen))
+	return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+    if(!(num = DGAGetOldDGAMode(stuff->screen)))
+	return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+    /* get the parameters for the mode that best matches */
+    DGAGetModeInfo(stuff->screen, &mode, num);
+
+    if(!DGAOpenFramebuffer(stuff->screen, &name, 
+			(unsigned char**)(&rep.offset), 	
+			(int*)(&rep.bank_size), &offset, &flags))
+	return BadAlloc;
+
+    rep.offset += mode.offset;
+    rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
+    rep.ram_size = rep.bank_size >> 10;
+
+    WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcXF86DGADirectVideo(ClientPtr client)
+{
+    int num;
+    PixmapPtr pix;
+    XDGAModeRec mode;
+    REQUEST(xXF86DGADirectVideoReq);
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
+
+    if (!DGAAvailable(stuff->screen)) 
+	return DGAErrorBase + XF86DGANoDirectVideoMode;
+
+    if (stuff->enable & XF86DGADirectGraphics) {
+	if(!(num = DGAGetOldDGAMode(stuff->screen)))
+	    return (DGAErrorBase + XF86DGANoDirectVideoMode);
+    } else
+	num = 0;
+
+    if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
+	return (DGAErrorBase + XF86DGAScreenNotActive);
+
+    DGASetInputMode (stuff->screen, 
+		     (stuff->enable & XF86DGADirectKeyb) != 0,
+		     (stuff->enable & XF86DGADirectMouse) != 0);
+
+    return (client->noClientException);
+}
+
+static int
+ProcXF86DGAGetViewPortSize(ClientPtr client)
+{
+    int num;
+    XDGAModeRec mode;
+    REQUEST(xXF86DGAGetViewPortSizeReq);
+    xXF86DGAGetViewPortSizeReply rep;
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+
+    if (!DGAAvailable(stuff->screen)) 
+	return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+    if(!(num = DGAGetOldDGAMode(stuff->screen)))
+	return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+    DGAGetModeInfo(stuff->screen, &mode, num);
+
+    rep.width = mode.viewportWidth;
+    rep.height = mode.viewportHeight;
+
+    WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcXF86DGASetViewPort(ClientPtr client)
+{
+    REQUEST(xXF86DGASetViewPortReq);
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
+
+    if (!DGAActive(stuff->screen))
+    {
+	int num;
+	PixmapPtr pix;
+	XDGAModeRec mode;
+	
+	if(!(num = DGAGetOldDGAMode(stuff->screen)))
+	    return (DGAErrorBase + XF86DGANoDirectVideoMode);
+	if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
+	    return (DGAErrorBase + XF86DGAScreenNotActive);
+    }
+
+    if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
+		!= Success)
+	return DGAErrorBase + XF86DGADirectNotActivated;
+
+    return (client->noClientException);
+}
+
+static int
+ProcXF86DGAGetVidPage(ClientPtr client)
+{
+    REQUEST(xXF86DGAGetVidPageReq);
+    xXF86DGAGetVidPageReply rep;
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.vpage = 0;  /* silently fail */
+
+    WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+
+static int
+ProcXF86DGASetVidPage(ClientPtr client)
+{
+    REQUEST(xXF86DGASetVidPageReq);
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
+
+    /* silently fail */
+
+    return (client->noClientException);
+}
+
+
+static int
+ProcXF86DGAInstallColormap(ClientPtr client)
+{
+    ColormapPtr pcmp;
+    REQUEST(xXF86DGAInstallColormapReq);
+
+    REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
+
+    if (!DGAActive(stuff->screen))
+	return (DGAErrorBase + XF86DGADirectNotActivated);
+
+    pcmp = (ColormapPtr  )LookupIDByType(stuff->id, RT_COLORMAP);
+    if (pcmp) {
+	DGAInstallCmap(pcmp);
+        return (client->noClientException);
+    } else {
+        client->errorValue = stuff->id;
+        return (BadColor);
+    }
+}
+
+static int
+ProcXF86DGAQueryDirectVideo(ClientPtr client)
+{
+    REQUEST(xXF86DGAQueryDirectVideoReq);
+    xXF86DGAQueryDirectVideoReply rep;
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.flags = 0;
+
+    if (DGAAvailable(stuff->screen))
+	rep.flags = XF86DGADirectPresent;
+
+    WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+static int
+ProcXF86DGAViewPortChanged(ClientPtr client)
+{
+    REQUEST(xXF86DGAViewPortChangedReq);
+    xXF86DGAViewPortChangedReply rep;
+
+    if (stuff->screen > screenInfo.numScreens)
+	return BadValue;
+
+    REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
+
+    if (!DGAActive(stuff->screen))
+	return (DGAErrorBase + XF86DGADirectNotActivated);
+
+    rep.type = X_Reply;
+    rep.length = 0;
+    rep.sequenceNumber = client->sequence;
+    rep.result = 1;
+
+    WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);
+    return (client->noClientException);
+}
+
+int
+ProcXF86DGADispatch(register ClientPtr client)
+{
+    REQUEST(xReq);
+
+    switch (stuff->data)
+    {
+    case X_XF86DGAGetVideoLL:
+	return ProcXF86DGAGetVideoLL(client);
+    case X_XF86DGADirectVideo:
+	return ProcXF86DGADirectVideo(client);
+    case X_XF86DGAGetViewPortSize:
+	return ProcXF86DGAGetViewPortSize(client);
+    case X_XF86DGASetViewPort:
+	return ProcXF86DGASetViewPort(client);
+    case X_XF86DGAGetVidPage:
+	return ProcXF86DGAGetVidPage(client);
+    case X_XF86DGASetVidPage:
+	return ProcXF86DGASetVidPage(client);
+    case X_XF86DGAInstallColormap:
+	return ProcXF86DGAInstallColormap(client);
+    case X_XF86DGAQueryDirectVideo:
+	return ProcXF86DGAQueryDirectVideo(client);
+    case X_XF86DGAViewPortChanged:
+	return ProcXF86DGAViewPortChanged(client);
+    default:
+	return BadRequest;
+    }
+}
+