/* $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 */ #define NEED_REPLIES #define NEED_EVENTS #include #include #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 #include #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; } }