aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c')
-rw-r--r--xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c
new file mode 100644
index 000000000..c66bca26b
--- /dev/null
+++ b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga.c
@@ -0,0 +1,309 @@
+
+/*
+
+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 (!DGAAvailable(stuff->screen))
+ return (DGAErrorBase + XF86DGANoDirectVideoMode);
+
+ 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;
+ }
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 23:29:09 +0000