From 38e661c7d82fa0b34fbe9b3f3261295787bb6427 Mon Sep 17 00:00:00 2001 From: marha Date: Wed, 11 Jan 2012 08:18:52 +0100 Subject: mesa pixman xserver git update 11 jan 2012 --- xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c | 2070 +++++++++++----------- 1 file changed, 1035 insertions(+), 1035 deletions(-) (limited to 'xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c') diff --git a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c index f1c740723..4b17f152e 100644 --- a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c +++ b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c @@ -1,1035 +1,1035 @@ -/* - * Copyright (c) 1995 Jon Tombs - * Copyright (c) 1995, 1996, 1999 XFree86 Inc - * Copyright (c) 1999 - The XFree86 Project Inc. - * - * Written by Mark Vojkovich - */ - - -#ifdef HAVE_XORG_CONFIG_H -#include -#endif - -#include -#include -#include "misc.h" -#include "dixstruct.h" -#include "dixevents.h" -#include "pixmapstr.h" -#include "extnsionst.h" -#include "colormapst.h" -#include "cursorstr.h" -#include "scrnintstr.h" -#include "servermd.h" -#include -#include "swaprep.h" -#include "dgaproc.h" -#include "protocol-versions.h" - -#include - -#include "modinit.h" - -#define DGA_PROTOCOL_OLD_SUPPORT 1 - - -static void XDGAResetProc(ExtensionEntry *extEntry); - -static void DGAClientStateChange (CallbackListPtr*, pointer, pointer); - -unsigned char DGAReqCode = 0; -int DGAErrorBase; -int DGAEventBase; - -static DevPrivateKeyRec DGAScreenPrivateKeyRec; -#define DGAScreenPrivateKey (&DGAScreenPrivateKeyRec) -#define DGAScreenPrivateKeyRegistered (DGAScreenPrivateKeyRec.initialized) -static DevPrivateKeyRec DGAClientPrivateKeyRec; -#define DGAClientPrivateKey (&DGAClientPrivateKeyRec) -static int DGACallbackRefCount = 0; - -/* This holds the client's version information */ -typedef struct { - int major; - int minor; -} DGAPrivRec, *DGAPrivPtr; - -#define DGA_GETCLIENT(idx) ((ClientPtr) \ - dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey)) -#define DGA_SETCLIENT(idx,p) \ - dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p) - -#define DGA_GETPRIV(c) ((DGAPrivPtr) \ - dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey)) -#define DGA_SETPRIV(c,p) \ - dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p) - - -static void -XDGAResetProc (ExtensionEntry *extEntry) -{ - DeleteCallback (&ClientStateCallback, DGAClientStateChange, NULL); - DGACallbackRefCount = 0; -} - - -static int -ProcXDGAQueryVersion(ClientPtr client) -{ - xXDGAQueryVersionReply rep; - - REQUEST_SIZE_MATCH(xXDGAQueryVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = SERVER_XDGA_MAJOR_VERSION; - rep.minorVersion = SERVER_XDGA_MINOR_VERSION; - - WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *)&rep); - return Success; -} - - -static int -ProcXDGAOpenFramebuffer(ClientPtr client) -{ - REQUEST(xXDGAOpenFramebufferReq); - xXDGAOpenFramebufferReply rep; - char *deviceName; - int nameSize; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if (!DGAAvailable(stuff->screen)) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if(!DGAOpenFramebuffer(stuff->screen, &deviceName, - (unsigned char**)(&rep.mem1), - (int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra)) - { - return BadAlloc; - } - - nameSize = deviceName ? (strlen(deviceName) + 1) : 0; - rep.length = bytes_to_int32(nameSize); - - WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *)&rep); - if(rep.length) - WriteToClient(client, nameSize, deviceName); - - return Success; -} - - -static int -ProcXDGACloseFramebuffer(ClientPtr client) -{ - REQUEST(xXDGACloseFramebufferReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if (!DGAAvailable(stuff->screen)) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq); - - DGACloseFramebuffer(stuff->screen); - - return Success; -} - -static int -ProcXDGAQueryModes(ClientPtr client) -{ - int i, num, size; - REQUEST(xXDGAQueryModesReq); - xXDGAQueryModesReply rep; - xXDGAModeInfo info; - XDGAModePtr mode; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - REQUEST_SIZE_MATCH(xXDGAQueryModesReq); - rep.type = X_Reply; - rep.length = 0; - rep.number = 0; - rep.sequenceNumber = client->sequence; - - if (!DGAAvailable(stuff->screen)) { - rep.number = 0; - rep.length = 0; - WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); - return Success; - } - - if(!(num = DGAGetModes(stuff->screen))) { - WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); - return Success; - } - - if(!(mode = (XDGAModePtr)malloc(num * sizeof(XDGAModeRec)))) - return BadAlloc; - - for(i = 0; i < num; i++) - DGAGetModeInfo(stuff->screen, mode + i, i + 1); - - size = num * sz_xXDGAModeInfo; - for(i = 0; i < num; i++) - size += pad_to_int32(strlen(mode[i].name) + 1); /* plus NULL */ - - rep.number = num; - rep.length = bytes_to_int32(size); - - WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); - - for(i = 0; i < num; i++) { - size = strlen(mode[i].name) + 1; - - info.byte_order = mode[i].byteOrder; - info.depth = mode[i].depth; - info.num = mode[i].num; - info.bpp = mode[i].bitsPerPixel; - info.name_size = (size + 3) & ~3L; - info.vsync_num = mode[i].VSync_num; - info.vsync_den = mode[i].VSync_den; - info.flags = mode[i].flags; - info.image_width = mode[i].imageWidth; - info.image_height = mode[i].imageHeight; - info.pixmap_width = mode[i].pixmapWidth; - info.pixmap_height = mode[i].pixmapHeight; - info.bytes_per_scanline = mode[i].bytesPerScanline; - info.red_mask = mode[i].red_mask; - info.green_mask = mode[i].green_mask; - info.blue_mask = mode[i].blue_mask; - info.visual_class = mode[i].visualClass; - info.viewport_width = mode[i].viewportWidth; - info.viewport_height = mode[i].viewportHeight; - info.viewport_xstep = mode[i].xViewportStep; - info.viewport_ystep = mode[i].yViewportStep; - info.viewport_xmax = mode[i].maxViewportX; - info.viewport_ymax = mode[i].maxViewportY; - info.viewport_flags = mode[i].viewportFlags; - info.reserved1 = mode[i].reserved1; - info.reserved2 = mode[i].reserved2; - - WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info)); - WriteToClient(client, size, mode[i].name); - } - - free(mode); - - return Success; -} - - -static void -DGAClientStateChange ( - CallbackListPtr* pcbl, - pointer nulldata, - pointer calldata -){ - NewClientInfoRec* pci = (NewClientInfoRec*) calldata; - ClientPtr client = NULL; - int i; - - for(i = 0; i < screenInfo.numScreens; i++) { - if(DGA_GETCLIENT(i) == pci->client) { - client = pci->client; - break; - } - } - - if(client && - ((client->clientState == ClientStateGone) || - (client->clientState == ClientStateRetained))) { - XDGAModeRec mode; - PixmapPtr pPix; - - DGA_SETCLIENT(i, NULL); - DGASelectInput(i, NULL, 0); - DGASetMode(i, 0, &mode, &pPix); - - if(--DGACallbackRefCount == 0) - DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); - } -} - -static int -ProcXDGASetMode(ClientPtr client) -{ - REQUEST(xXDGASetModeReq); - xXDGASetModeReply rep; - XDGAModeRec mode; - xXDGAModeInfo info; - PixmapPtr pPix; - ClientPtr owner; - int size; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - owner = DGA_GETCLIENT(stuff->screen); - - REQUEST_SIZE_MATCH(xXDGASetModeReq); - rep.type = X_Reply; - rep.length = 0; - rep.offset = 0; - rep.flags = 0; - rep.sequenceNumber = client->sequence; - - if (!DGAAvailable(stuff->screen)) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - if(owner && owner != client) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - if(!stuff->mode) { - if(owner) { - if(--DGACallbackRefCount == 0) - DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); - } - DGA_SETCLIENT(stuff->screen, NULL); - DGASelectInput(stuff->screen, NULL, 0); - DGASetMode(stuff->screen, 0, &mode, &pPix); - WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep); - return Success; - } - - if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix)) - return BadValue; - - if(!owner) { - if(DGACallbackRefCount++ == 0) - AddCallback (&ClientStateCallback, DGAClientStateChange, NULL); - } - - DGA_SETCLIENT(stuff->screen, client); - - if(pPix) { - if(AddResource(stuff->pid, RT_PIXMAP, (pointer)(pPix))) { - pPix->drawable.id = (int)stuff->pid; - rep.flags = DGA_PIXMAP_AVAILABLE; - } - } - - size = strlen(mode.name) + 1; - - info.byte_order = mode.byteOrder; - info.depth = mode.depth; - info.num = mode.num; - info.bpp = mode.bitsPerPixel; - info.name_size = (size + 3) & ~3L; - info.vsync_num = mode.VSync_num; - info.vsync_den = mode.VSync_den; - info.flags = mode.flags; - info.image_width = mode.imageWidth; - info.image_height = mode.imageHeight; - info.pixmap_width = mode.pixmapWidth; - info.pixmap_height = mode.pixmapHeight; - info.bytes_per_scanline = mode.bytesPerScanline; - info.red_mask = mode.red_mask; - info.green_mask = mode.green_mask; - info.blue_mask = mode.blue_mask; - info.visual_class = mode.visualClass; - info.viewport_width = mode.viewportWidth; - info.viewport_height = mode.viewportHeight; - info.viewport_xstep = mode.xViewportStep; - info.viewport_ystep = mode.yViewportStep; - info.viewport_xmax = mode.maxViewportX; - info.viewport_ymax = mode.maxViewportY; - info.viewport_flags = mode.viewportFlags; - info.reserved1 = mode.reserved1; - info.reserved2 = mode.reserved2; - - rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size); - - WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep); - WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info)); - WriteToClient(client, size, mode.name); - - return Success; -} - -static int -ProcXDGASetViewport(ClientPtr client) -{ - REQUEST(xXDGASetViewportReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGASetViewportReq); - - DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags); - - return Success; -} - -static int -ProcXDGAInstallColormap(ClientPtr client) -{ - ColormapPtr cmap; - int rc; - REQUEST(xXDGAInstallColormapReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); - - rc = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, RT_COLORMAP, - client, DixInstallAccess); - if (rc != Success) - return rc; - DGAInstallCmap(cmap); - return Success; -} - - -static int -ProcXDGASelectInput(ClientPtr client) -{ - REQUEST(xXDGASelectInputReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGASelectInputReq); - - if(DGA_GETCLIENT(stuff->screen) == client) - DGASelectInput(stuff->screen, client, stuff->mask); - - return Success; -} - - -static int -ProcXDGAFillRectangle(ClientPtr client) -{ - REQUEST(xXDGAFillRectangleReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGAFillRectangleReq); - - if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y, - stuff->width, stuff->height, stuff->color)) - return BadMatch; - - return Success; -} - -static int -ProcXDGACopyArea(ClientPtr client) -{ - REQUEST(xXDGACopyAreaReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGACopyAreaReq); - - if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy, - stuff->width, stuff->height, stuff->dstx, stuff->dsty)) - return BadMatch; - - return Success; -} - - -static int -ProcXDGACopyTransparentArea(ClientPtr client) -{ - REQUEST(xXDGACopyTransparentAreaReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq); - - if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy, - stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key)) - return BadMatch; - - return Success; -} - - -static int -ProcXDGAGetViewportStatus(ClientPtr client) -{ - REQUEST(xXDGAGetViewportStatusReq); - xXDGAGetViewportStatusReply rep; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - rep.status = DGAGetViewportStatus(stuff->screen); - - WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *)&rep); - return Success; -} - -static int -ProcXDGASync(ClientPtr client) -{ - REQUEST(xXDGASyncReq); - xXDGASyncReply rep; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGASyncReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - DGASync(stuff->screen); - - WriteToClient(client, sizeof(xXDGASyncReply), (char *)&rep); - return Success; -} - -static int -ProcXDGASetClientVersion(ClientPtr client) -{ - REQUEST(xXDGASetClientVersionReq); - - DGAPrivPtr pPriv; - - REQUEST_SIZE_MATCH(xXDGASetClientVersionReq); - if ((pPriv = DGA_GETPRIV(client)) == NULL) { - pPriv = malloc(sizeof(DGAPrivRec)); - /* XXX Need to look into freeing this */ - if (!pPriv) - return BadAlloc; - DGA_SETPRIV(client, pPriv); - } - pPriv->major = stuff->major; - pPriv->minor = stuff->minor; - - return Success; -} - -static int -ProcXDGAChangePixmapMode(ClientPtr client) -{ - REQUEST(xXDGAChangePixmapModeReq); - xXDGAChangePixmapModeReply rep; - int x, y; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - x = stuff->x; - y = stuff->y; - - if(!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags)) - return BadMatch; - - rep.x = x; - rep.y = y; - WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *)&rep); - - return Success; -} - - -static int -ProcXDGACreateColormap(ClientPtr client) -{ - REQUEST(xXDGACreateColormapReq); - int result; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if(DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXDGACreateColormapReq); - - if(!stuff->mode) - return BadValue; - - result = DGACreateColormap(stuff->screen, client, stuff->id, - stuff->mode, stuff->alloc); - if(result != Success) - return result; - - return Success; -} - -/* - * - * Support for the old DGA protocol, used to live in xf86dga.c - * - */ - -#ifdef DGA_PROTOCOL_OLD_SUPPORT - - - -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 Success; -} - -static int -ProcXF86DGADirectVideo(ClientPtr client) -{ - int num; - PixmapPtr pix; - XDGAModeRec mode; - ClientPtr owner; - REQUEST(xXF86DGADirectVideoReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq); - - if (!DGAAvailable(stuff->screen)) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - owner = DGA_GETCLIENT(stuff->screen); - - if (owner && owner != client) - 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); - - /* We need to track the client and attach the teardown callback */ - if (stuff->enable & - (XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) { - if (!owner) { - if (DGACallbackRefCount++ == 0) - AddCallback (&ClientStateCallback, DGAClientStateChange, NULL); - } - - DGA_SETCLIENT(stuff->screen, client); - } else { - if (owner) { - if (--DGACallbackRefCount == 0) - DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); - } - - DGA_SETCLIENT(stuff->screen, NULL); - } - - return Success; -} - -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 Success; -} - -static int -ProcXF86DGASetViewPort(ClientPtr client) -{ - REQUEST(xXF86DGASetViewPortReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if (DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); - - if (!DGAAvailable(stuff->screen)) - return DGAErrorBase + XF86DGANoDirectVideoMode; - - if (!DGAActive(stuff->screen)) - return DGAErrorBase + XF86DGADirectNotActivated; - - if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE) - != Success) - return DGAErrorBase + XF86DGADirectNotActivated; - - return Success; -} - -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 Success; -} - - -static int -ProcXF86DGASetVidPage(ClientPtr client) -{ - REQUEST(xXF86DGASetVidPageReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq); - - /* silently fail */ - - return Success; -} - - -static int -ProcXF86DGAInstallColormap(ClientPtr client) -{ - ColormapPtr pcmp; - int rc; - REQUEST(xXF86DGAInstallColormapReq); - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if (DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq); - - if (!DGAActive(stuff->screen)) - return DGAErrorBase + XF86DGADirectNotActivated; - - rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, - client, DixInstallAccess); - if (rc == Success) { - DGAInstallCmap(pcmp); - return Success; - } else { - return rc; - } -} - -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 Success; -} - -static int -ProcXF86DGAViewPortChanged(ClientPtr client) -{ - REQUEST(xXF86DGAViewPortChangedReq); - xXF86DGAViewPortChangedReply rep; - - if (stuff->screen >= screenInfo.numScreens) - return BadValue; - - if (DGA_GETCLIENT(stuff->screen) != client) - return DGAErrorBase + XF86DGADirectNotActivated; - - 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 Success; -} - -#endif /* DGA_PROTOCOL_OLD_SUPPORT */ - -static int -SProcXDGADispatch (ClientPtr client) -{ - return DGAErrorBase + XF86DGAClientNotLocal; -} - -#if 0 -#define DGA_REQ_DEBUG -#endif - -#ifdef DGA_REQ_DEBUG -static char *dgaMinor[] = { - "QueryVersion", - "GetVideoLL", - "DirectVideo", - "GetViewPortSize", - "SetViewPort", - "GetVidPage", - "SetVidPage", - "InstallColormap", - "QueryDirectVideo", - "ViewPortChanged", - "10", - "11", - "QueryModes", - "SetMode", - "SetViewport", - "InstallColormap", - "SelectInput", - "FillRectangle", - "CopyArea", - "CopyTransparentArea", - "GetViewportStatus", - "Sync", - "OpenFramebuffer", - "CloseFramebuffer", - "SetClientVersion", - "ChangePixmapMode", - "CreateColormap", -}; -#endif - -static int -ProcXDGADispatch (ClientPtr client) -{ - REQUEST(xReq); - - if (!LocalClient(client)) - return DGAErrorBase + XF86DGAClientNotLocal; - -#ifdef DGA_REQ_DEBUG - if (stuff->data <= X_XDGACreateColormap) - fprintf (stderr, " DGA %s\n", dgaMinor[stuff->data]); -#endif - - switch (stuff->data){ - /* - * DGA2 Protocol - */ - case X_XDGAQueryVersion: - return ProcXDGAQueryVersion(client); - case X_XDGAQueryModes: - return ProcXDGAQueryModes(client); - case X_XDGASetMode: - return ProcXDGASetMode(client); - case X_XDGAOpenFramebuffer: - return ProcXDGAOpenFramebuffer(client); - case X_XDGACloseFramebuffer: - return ProcXDGACloseFramebuffer(client); - case X_XDGASetViewport: - return ProcXDGASetViewport(client); - case X_XDGAInstallColormap: - return ProcXDGAInstallColormap(client); - case X_XDGASelectInput: - return ProcXDGASelectInput(client); - case X_XDGAFillRectangle: - return ProcXDGAFillRectangle(client); - case X_XDGACopyArea: - return ProcXDGACopyArea(client); - case X_XDGACopyTransparentArea: - return ProcXDGACopyTransparentArea(client); - case X_XDGAGetViewportStatus: - return ProcXDGAGetViewportStatus(client); - case X_XDGASync: - return ProcXDGASync(client); - case X_XDGASetClientVersion: - return ProcXDGASetClientVersion(client); - case X_XDGAChangePixmapMode: - return ProcXDGAChangePixmapMode(client); - case X_XDGACreateColormap: - return ProcXDGACreateColormap(client); - /* - * Old DGA Protocol - */ -#ifdef DGA_PROTOCOL_OLD_SUPPORT - 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); -#endif /* DGA_PROTOCOL_OLD_SUPPORT */ - default: - return BadRequest; - } -} - -void -XFree86DGARegister(INITARGS) -{ - XDGAEventBase = &DGAEventBase; -} - -void -XFree86DGAExtensionInit(INITARGS) -{ - ExtensionEntry* extEntry; - - if (!dixRegisterPrivateKey(&DGAClientPrivateKeyRec, PRIVATE_CLIENT, 0)) - return; - - if (!dixRegisterPrivateKey(&DGAScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return; - - if ((extEntry = AddExtension(XF86DGANAME, - XF86DGANumberEvents, - XF86DGANumberErrors, - ProcXDGADispatch, - SProcXDGADispatch, - XDGAResetProc, - StandardMinorOpcode))) { - int i; - - DGAReqCode = (unsigned char)extEntry->base; - DGAErrorBase = extEntry->errorBase; - DGAEventBase = extEntry->eventBase; - for (i = KeyPress; i <= MotionNotify; i++) - SetCriticalEvent (DGAEventBase + i); - } -} +/* + * Copyright (c) 1995 Jon Tombs + * Copyright (c) 1995, 1996, 1999 XFree86 Inc + * Copyright (c) 1999 - The XFree86 Project Inc. + * + * Written by Mark Vojkovich + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#include +#include +#include "misc.h" +#include "dixstruct.h" +#include "dixevents.h" +#include "pixmapstr.h" +#include "extnsionst.h" +#include "colormapst.h" +#include "cursorstr.h" +#include "scrnintstr.h" +#include "servermd.h" +#include +#include "swaprep.h" +#include "dgaproc.h" +#include "protocol-versions.h" + +#include + +#include "modinit.h" + +#define DGA_PROTOCOL_OLD_SUPPORT 1 + + +static void XDGAResetProc(ExtensionEntry *extEntry); + +static void DGAClientStateChange (CallbackListPtr*, pointer, pointer); + +unsigned char DGAReqCode = 0; +int DGAErrorBase; +int DGAEventBase; + +static DevPrivateKeyRec DGAScreenPrivateKeyRec; +#define DGAScreenPrivateKey (&DGAScreenPrivateKeyRec) +#define DGAScreenPrivateKeyRegistered (DGAScreenPrivateKeyRec.initialized) +static DevPrivateKeyRec DGAClientPrivateKeyRec; +#define DGAClientPrivateKey (&DGAClientPrivateKeyRec) +static int DGACallbackRefCount = 0; + +/* This holds the client's version information */ +typedef struct { + int major; + int minor; +} DGAPrivRec, *DGAPrivPtr; + +#define DGA_GETCLIENT(idx) ((ClientPtr) \ + dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey)) +#define DGA_SETCLIENT(idx,p) \ + dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p) + +#define DGA_GETPRIV(c) ((DGAPrivPtr) \ + dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey)) +#define DGA_SETPRIV(c,p) \ + dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p) + + +static void +XDGAResetProc (ExtensionEntry *extEntry) +{ + DeleteCallback (&ClientStateCallback, DGAClientStateChange, NULL); + DGACallbackRefCount = 0; +} + + +static int +ProcXDGAQueryVersion(ClientPtr client) +{ + xXDGAQueryVersionReply rep; + + REQUEST_SIZE_MATCH(xXDGAQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_XDGA_MAJOR_VERSION; + rep.minorVersion = SERVER_XDGA_MINOR_VERSION; + + WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *)&rep); + return Success; +} + + +static int +ProcXDGAOpenFramebuffer(ClientPtr client) +{ + REQUEST(xXDGAOpenFramebufferReq); + xXDGAOpenFramebufferReply rep; + char *deviceName; + int nameSize; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if (!DGAAvailable(stuff->screen)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if(!DGAOpenFramebuffer(stuff->screen, &deviceName, + (unsigned char**)(&rep.mem1), + (int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra)) + { + return BadAlloc; + } + + nameSize = deviceName ? (strlen(deviceName) + 1) : 0; + rep.length = bytes_to_int32(nameSize); + + WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *)&rep); + if(rep.length) + WriteToClient(client, nameSize, deviceName); + + return Success; +} + + +static int +ProcXDGACloseFramebuffer(ClientPtr client) +{ + REQUEST(xXDGACloseFramebufferReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if (!DGAAvailable(stuff->screen)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq); + + DGACloseFramebuffer(stuff->screen); + + return Success; +} + +static int +ProcXDGAQueryModes(ClientPtr client) +{ + int i, num, size; + REQUEST(xXDGAQueryModesReq); + xXDGAQueryModesReply rep; + xXDGAModeInfo info; + XDGAModePtr mode; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + REQUEST_SIZE_MATCH(xXDGAQueryModesReq); + rep.type = X_Reply; + rep.length = 0; + rep.number = 0; + rep.sequenceNumber = client->sequence; + + if (!DGAAvailable(stuff->screen)) { + rep.number = 0; + rep.length = 0; + WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); + return Success; + } + + if(!(num = DGAGetModes(stuff->screen))) { + WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); + return Success; + } + + if(!(mode = (XDGAModePtr)malloc(num * sizeof(XDGAModeRec)))) + return BadAlloc; + + for(i = 0; i < num; i++) + DGAGetModeInfo(stuff->screen, mode + i, i + 1); + + size = num * sz_xXDGAModeInfo; + for(i = 0; i < num; i++) + size += pad_to_int32(strlen(mode[i].name) + 1); /* plus NULL */ + + rep.number = num; + rep.length = bytes_to_int32(size); + + WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep); + + for(i = 0; i < num; i++) { + size = strlen(mode[i].name) + 1; + + info.byte_order = mode[i].byteOrder; + info.depth = mode[i].depth; + info.num = mode[i].num; + info.bpp = mode[i].bitsPerPixel; + info.name_size = (size + 3) & ~3L; + info.vsync_num = mode[i].VSync_num; + info.vsync_den = mode[i].VSync_den; + info.flags = mode[i].flags; + info.image_width = mode[i].imageWidth; + info.image_height = mode[i].imageHeight; + info.pixmap_width = mode[i].pixmapWidth; + info.pixmap_height = mode[i].pixmapHeight; + info.bytes_per_scanline = mode[i].bytesPerScanline; + info.red_mask = mode[i].red_mask; + info.green_mask = mode[i].green_mask; + info.blue_mask = mode[i].blue_mask; + info.visual_class = mode[i].visualClass; + info.viewport_width = mode[i].viewportWidth; + info.viewport_height = mode[i].viewportHeight; + info.viewport_xstep = mode[i].xViewportStep; + info.viewport_ystep = mode[i].yViewportStep; + info.viewport_xmax = mode[i].maxViewportX; + info.viewport_ymax = mode[i].maxViewportY; + info.viewport_flags = mode[i].viewportFlags; + info.reserved1 = mode[i].reserved1; + info.reserved2 = mode[i].reserved2; + + WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info)); + WriteToClient(client, size, mode[i].name); + } + + free(mode); + + return Success; +} + + +static void +DGAClientStateChange ( + CallbackListPtr* pcbl, + pointer nulldata, + pointer calldata +){ + NewClientInfoRec* pci = (NewClientInfoRec*) calldata; + ClientPtr client = NULL; + int i; + + for(i = 0; i < screenInfo.numScreens; i++) { + if(DGA_GETCLIENT(i) == pci->client) { + client = pci->client; + break; + } + } + + if(client && + ((client->clientState == ClientStateGone) || + (client->clientState == ClientStateRetained))) { + XDGAModeRec mode; + PixmapPtr pPix; + + DGA_SETCLIENT(i, NULL); + DGASelectInput(i, NULL, 0); + DGASetMode(i, 0, &mode, &pPix); + + if(--DGACallbackRefCount == 0) + DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); + } +} + +static int +ProcXDGASetMode(ClientPtr client) +{ + REQUEST(xXDGASetModeReq); + xXDGASetModeReply rep; + XDGAModeRec mode; + xXDGAModeInfo info; + PixmapPtr pPix; + ClientPtr owner; + int size; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + owner = DGA_GETCLIENT(stuff->screen); + + REQUEST_SIZE_MATCH(xXDGASetModeReq); + rep.type = X_Reply; + rep.length = 0; + rep.offset = 0; + rep.flags = 0; + rep.sequenceNumber = client->sequence; + + if (!DGAAvailable(stuff->screen)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + if(owner && owner != client) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + if(!stuff->mode) { + if(owner) { + if(--DGACallbackRefCount == 0) + DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); + } + DGA_SETCLIENT(stuff->screen, NULL); + DGASelectInput(stuff->screen, NULL, 0); + DGASetMode(stuff->screen, 0, &mode, &pPix); + WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep); + return Success; + } + + if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix)) + return BadValue; + + if(!owner) { + if(DGACallbackRefCount++ == 0) + AddCallback (&ClientStateCallback, DGAClientStateChange, NULL); + } + + DGA_SETCLIENT(stuff->screen, client); + + if(pPix) { + if(AddResource(stuff->pid, RT_PIXMAP, (pointer)(pPix))) { + pPix->drawable.id = (int)stuff->pid; + rep.flags = DGA_PIXMAP_AVAILABLE; + } + } + + size = strlen(mode.name) + 1; + + info.byte_order = mode.byteOrder; + info.depth = mode.depth; + info.num = mode.num; + info.bpp = mode.bitsPerPixel; + info.name_size = (size + 3) & ~3L; + info.vsync_num = mode.VSync_num; + info.vsync_den = mode.VSync_den; + info.flags = mode.flags; + info.image_width = mode.imageWidth; + info.image_height = mode.imageHeight; + info.pixmap_width = mode.pixmapWidth; + info.pixmap_height = mode.pixmapHeight; + info.bytes_per_scanline = mode.bytesPerScanline; + info.red_mask = mode.red_mask; + info.green_mask = mode.green_mask; + info.blue_mask = mode.blue_mask; + info.visual_class = mode.visualClass; + info.viewport_width = mode.viewportWidth; + info.viewport_height = mode.viewportHeight; + info.viewport_xstep = mode.xViewportStep; + info.viewport_ystep = mode.yViewportStep; + info.viewport_xmax = mode.maxViewportX; + info.viewport_ymax = mode.maxViewportY; + info.viewport_flags = mode.viewportFlags; + info.reserved1 = mode.reserved1; + info.reserved2 = mode.reserved2; + + rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size); + + WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep); + WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info)); + WriteToClient(client, size, mode.name); + + return Success; +} + +static int +ProcXDGASetViewport(ClientPtr client) +{ + REQUEST(xXDGASetViewportReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGASetViewportReq); + + DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags); + + return Success; +} + +static int +ProcXDGAInstallColormap(ClientPtr client) +{ + ColormapPtr cmap; + int rc; + REQUEST(xXDGAInstallColormapReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); + + rc = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, RT_COLORMAP, + client, DixInstallAccess); + if (rc != Success) + return rc; + DGAInstallCmap(cmap); + return Success; +} + + +static int +ProcXDGASelectInput(ClientPtr client) +{ + REQUEST(xXDGASelectInputReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGASelectInputReq); + + if(DGA_GETCLIENT(stuff->screen) == client) + DGASelectInput(stuff->screen, client, stuff->mask); + + return Success; +} + + +static int +ProcXDGAFillRectangle(ClientPtr client) +{ + REQUEST(xXDGAFillRectangleReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGAFillRectangleReq); + + if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y, + stuff->width, stuff->height, stuff->color)) + return BadMatch; + + return Success; +} + +static int +ProcXDGACopyArea(ClientPtr client) +{ + REQUEST(xXDGACopyAreaReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGACopyAreaReq); + + if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy, + stuff->width, stuff->height, stuff->dstx, stuff->dsty)) + return BadMatch; + + return Success; +} + + +static int +ProcXDGACopyTransparentArea(ClientPtr client) +{ + REQUEST(xXDGACopyTransparentAreaReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq); + + if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy, + stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key)) + return BadMatch; + + return Success; +} + + +static int +ProcXDGAGetViewportStatus(ClientPtr client) +{ + REQUEST(xXDGAGetViewportStatusReq); + xXDGAGetViewportStatusReply rep; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rep.status = DGAGetViewportStatus(stuff->screen); + + WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *)&rep); + return Success; +} + +static int +ProcXDGASync(ClientPtr client) +{ + REQUEST(xXDGASyncReq); + xXDGASyncReply rep; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGASyncReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + DGASync(stuff->screen); + + WriteToClient(client, sizeof(xXDGASyncReply), (char *)&rep); + return Success; +} + +static int +ProcXDGASetClientVersion(ClientPtr client) +{ + REQUEST(xXDGASetClientVersionReq); + + DGAPrivPtr pPriv; + + REQUEST_SIZE_MATCH(xXDGASetClientVersionReq); + if ((pPriv = DGA_GETPRIV(client)) == NULL) { + pPriv = malloc(sizeof(DGAPrivRec)); + /* XXX Need to look into freeing this */ + if (!pPriv) + return BadAlloc; + DGA_SETPRIV(client, pPriv); + } + pPriv->major = stuff->major; + pPriv->minor = stuff->minor; + + return Success; +} + +static int +ProcXDGAChangePixmapMode(ClientPtr client) +{ + REQUEST(xXDGAChangePixmapModeReq); + xXDGAChangePixmapModeReply rep; + int x, y; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + x = stuff->x; + y = stuff->y; + + if(!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags)) + return BadMatch; + + rep.x = x; + rep.y = y; + WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *)&rep); + + return Success; +} + + +static int +ProcXDGACreateColormap(ClientPtr client) +{ + REQUEST(xXDGACreateColormapReq); + int result; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if(DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGACreateColormapReq); + + if(!stuff->mode) + return BadValue; + + result = DGACreateColormap(stuff->screen, client, stuff->id, + stuff->mode, stuff->alloc); + if(result != Success) + return result; + + return Success; +} + +/* + * + * Support for the old DGA protocol, used to live in xf86dga.c + * + */ + +#ifdef DGA_PROTOCOL_OLD_SUPPORT + + + +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 Success; +} + +static int +ProcXF86DGADirectVideo(ClientPtr client) +{ + int num; + PixmapPtr pix; + XDGAModeRec mode; + ClientPtr owner; + REQUEST(xXF86DGADirectVideoReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq); + + if (!DGAAvailable(stuff->screen)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + owner = DGA_GETCLIENT(stuff->screen); + + if (owner && owner != client) + 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); + + /* We need to track the client and attach the teardown callback */ + if (stuff->enable & + (XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) { + if (!owner) { + if (DGACallbackRefCount++ == 0) + AddCallback (&ClientStateCallback, DGAClientStateChange, NULL); + } + + DGA_SETCLIENT(stuff->screen, client); + } else { + if (owner) { + if (--DGACallbackRefCount == 0) + DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); + } + + DGA_SETCLIENT(stuff->screen, NULL); + } + + return Success; +} + +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 Success; +} + +static int +ProcXF86DGASetViewPort(ClientPtr client) +{ + REQUEST(xXF86DGASetViewPortReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if (DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq); + + if (!DGAAvailable(stuff->screen)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + if (!DGAActive(stuff->screen)) + return DGAErrorBase + XF86DGADirectNotActivated; + + if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE) + != Success) + return DGAErrorBase + XF86DGADirectNotActivated; + + return Success; +} + +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 Success; +} + + +static int +ProcXF86DGASetVidPage(ClientPtr client) +{ + REQUEST(xXF86DGASetVidPageReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq); + + /* silently fail */ + + return Success; +} + + +static int +ProcXF86DGAInstallColormap(ClientPtr client) +{ + ColormapPtr pcmp; + int rc; + REQUEST(xXF86DGAInstallColormapReq); + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if (DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq); + + if (!DGAActive(stuff->screen)) + return DGAErrorBase + XF86DGADirectNotActivated; + + rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP, + client, DixInstallAccess); + if (rc == Success) { + DGAInstallCmap(pcmp); + return Success; + } else { + return rc; + } +} + +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 Success; +} + +static int +ProcXF86DGAViewPortChanged(ClientPtr client) +{ + REQUEST(xXF86DGAViewPortChangedReq); + xXF86DGAViewPortChangedReply rep; + + if (stuff->screen >= screenInfo.numScreens) + return BadValue; + + if (DGA_GETCLIENT(stuff->screen) != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + 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 Success; +} + +#endif /* DGA_PROTOCOL_OLD_SUPPORT */ + +static int +SProcXDGADispatch (ClientPtr client) +{ + return DGAErrorBase + XF86DGAClientNotLocal; +} + +#if 0 +#define DGA_REQ_DEBUG +#endif + +#ifdef DGA_REQ_DEBUG +static char *dgaMinor[] = { + "QueryVersion", + "GetVideoLL", + "DirectVideo", + "GetViewPortSize", + "SetViewPort", + "GetVidPage", + "SetVidPage", + "InstallColormap", + "QueryDirectVideo", + "ViewPortChanged", + "10", + "11", + "QueryModes", + "SetMode", + "SetViewport", + "InstallColormap", + "SelectInput", + "FillRectangle", + "CopyArea", + "CopyTransparentArea", + "GetViewportStatus", + "Sync", + "OpenFramebuffer", + "CloseFramebuffer", + "SetClientVersion", + "ChangePixmapMode", + "CreateColormap", +}; +#endif + +static int +ProcXDGADispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (!client->local) + return DGAErrorBase + XF86DGAClientNotLocal; + +#ifdef DGA_REQ_DEBUG + if (stuff->data <= X_XDGACreateColormap) + fprintf (stderr, " DGA %s\n", dgaMinor[stuff->data]); +#endif + + switch (stuff->data){ + /* + * DGA2 Protocol + */ + case X_XDGAQueryVersion: + return ProcXDGAQueryVersion(client); + case X_XDGAQueryModes: + return ProcXDGAQueryModes(client); + case X_XDGASetMode: + return ProcXDGASetMode(client); + case X_XDGAOpenFramebuffer: + return ProcXDGAOpenFramebuffer(client); + case X_XDGACloseFramebuffer: + return ProcXDGACloseFramebuffer(client); + case X_XDGASetViewport: + return ProcXDGASetViewport(client); + case X_XDGAInstallColormap: + return ProcXDGAInstallColormap(client); + case X_XDGASelectInput: + return ProcXDGASelectInput(client); + case X_XDGAFillRectangle: + return ProcXDGAFillRectangle(client); + case X_XDGACopyArea: + return ProcXDGACopyArea(client); + case X_XDGACopyTransparentArea: + return ProcXDGACopyTransparentArea(client); + case X_XDGAGetViewportStatus: + return ProcXDGAGetViewportStatus(client); + case X_XDGASync: + return ProcXDGASync(client); + case X_XDGASetClientVersion: + return ProcXDGASetClientVersion(client); + case X_XDGAChangePixmapMode: + return ProcXDGAChangePixmapMode(client); + case X_XDGACreateColormap: + return ProcXDGACreateColormap(client); + /* + * Old DGA Protocol + */ +#ifdef DGA_PROTOCOL_OLD_SUPPORT + 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); +#endif /* DGA_PROTOCOL_OLD_SUPPORT */ + default: + return BadRequest; + } +} + +void +XFree86DGARegister(INITARGS) +{ + XDGAEventBase = &DGAEventBase; +} + +void +XFree86DGAExtensionInit(INITARGS) +{ + ExtensionEntry* extEntry; + + if (!dixRegisterPrivateKey(&DGAClientPrivateKeyRec, PRIVATE_CLIENT, 0)) + return; + + if (!dixRegisterPrivateKey(&DGAScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) + return; + + if ((extEntry = AddExtension(XF86DGANAME, + XF86DGANumberEvents, + XF86DGANumberErrors, + ProcXDGADispatch, + SProcXDGADispatch, + XDGAResetProc, + StandardMinorOpcode))) { + int i; + + DGAReqCode = (unsigned char)extEntry->base; + DGAErrorBase = extEntry->errorBase; + DGAEventBase = extEntry->eventBase; + for (i = KeyPress; i <= MotionNotify; i++) + SetCriticalEvent (DGAEventBase + i); + } +} -- cgit v1.2.3