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/* $XFree86: xc/programs/Xserver/Xext/xf86dga.c,v 3.22 2003/07/16 01:38:30 dawes Exp $ */
/*
Copyright (c) 1995 Jon Tombs
Copyright (c) 1995, 1996, 1999 XFree86 Inc
*/
#define NEED_REPLIES
#define NEED_EVENTS
#include "X.h"
#include "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 "xf86dga.h"
#include "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;
}
}
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