diff options
Diffstat (limited to 'xc/programs/Xserver/Xext/xf86dga.c')
-rw-r--r-- | xc/programs/Xserver/Xext/xf86dga.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/xc/programs/Xserver/Xext/xf86dga.c b/xc/programs/Xserver/Xext/xf86dga.c new file mode 100644 index 000000000..aa61e850a --- /dev/null +++ b/xc/programs/Xserver/Xext/xf86dga.c @@ -0,0 +1,289 @@ +/* $XFree86: xc/programs/Xserver/Xext/xf86dga.c,v 3.19 1999/08/01 07:56:59 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" + + +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); + + 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)) + return (DGAErrorBase + XF86DGADirectNotActivated); + + 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 (client) + 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; + } +} + |