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Diffstat (limited to 'xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c')
-rw-r--r--xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c2120
1 files changed, 1058 insertions, 1062 deletions
diff --git a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
index 038551467..fae8d8b5d 100644
--- a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
+++ b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
@@ -1,1062 +1,1058 @@
-/*
- * 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 <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#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 <X11/extensions/xf86dgaproto.h>
-#include "swaprep.h"
-#include "dgaproc.h"
-#include "xf86dgaext.h"
-#include "protocol-versions.h"
-
-#include <string.h>
-
-#include "modinit.h"
-
-#define DGA_PROTOCOL_OLD_SUPPORT 1
-
-static DISPATCH_PROC(ProcXDGADispatch);
-static DISPATCH_PROC(SProcXDGADispatch);
-static DISPATCH_PROC(ProcXDGAQueryVersion);
-static DISPATCH_PROC(ProcXDGAQueryModes);
-static DISPATCH_PROC(ProcXDGASetMode);
-static DISPATCH_PROC(ProcXDGAOpenFramebuffer);
-static DISPATCH_PROC(ProcXDGACloseFramebuffer);
-static DISPATCH_PROC(ProcXDGASetViewport);
-static DISPATCH_PROC(ProcXDGAInstallColormap);
-static DISPATCH_PROC(ProcXDGASelectInput);
-static DISPATCH_PROC(ProcXDGAFillRectangle);
-static DISPATCH_PROC(ProcXDGACopyArea);
-static DISPATCH_PROC(ProcXDGACopyTransparentArea);
-static DISPATCH_PROC(ProcXDGAGetViewportStatus);
-static DISPATCH_PROC(ProcXDGASync);
-static DISPATCH_PROC(ProcXDGASetClientVersion);
-static DISPATCH_PROC(ProcXDGAChangePixmapMode);
-static DISPATCH_PROC(ProcXDGACreateColormap);
-
-static void XDGAResetProc(ExtensionEntry *extEntry);
-
-static void DGAClientStateChange (CallbackListPtr*, pointer, pointer);
-
-unsigned char DGAReqCode = 0;
-int DGAErrorBase;
-int DGAEventBase;
-
-static int DGAScreenPrivateKeyIndex;
-static DevPrivateKey DGAScreenPrivateKey = &DGAScreenPrivateKeyIndex;
-static int DGAClientPrivateKeyIndex;
-static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKeyIndex;
-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)
-
-
-void
-XFree86DGAExtensionInit(INITARGS)
-{
- ExtensionEntry* extEntry;
-
- 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);
- }
-}
-
-
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-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 (client->noClientException);
- }
-
- if(!(num = DGAGetModes(stuff->screen))) {
- WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
- return (client->noClientException);
- }
-
- if(!(mode = (XDGAModePtr)xalloc(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);
- }
-
- xfree(mode);
-
- return (client->noClientException);
-}
-
-
-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 (client->noClientException);
- }
-
- 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 (client->noClientException);
-}
-
-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 (client->noClientException);
-}
-
-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) {
- DGAInstallCmap(cmap);
- return (client->noClientException);
- } else {
- return (rc == BadValue) ? BadColor : rc;
- }
-
- return (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-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 (client->noClientException);
-}
-
-static int
-ProcXDGASetClientVersion(ClientPtr client)
-{
- REQUEST(xXDGASetClientVersionReq);
-
- DGAPrivPtr pPriv;
-
- REQUEST_SIZE_MATCH(xXDGASetClientVersionReq);
- if ((pPriv = DGA_GETPRIV(client)) == NULL) {
- pPriv = xalloc(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 (client->noClientException);
-}
-
-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 (client->noClientException);
-}
-
-
-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 (client->noClientException);
-}
-
-/*
- *
- * Support for the old DGA protocol, used to live in xf86dga.c
- *
- */
-
-#ifdef DGA_PROTOCOL_OLD_SUPPORT
-
-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;
- ClientPtr owner;
- REQUEST(xXF86DGADirectVideoReq);
-
- if (stuff->screen > screenInfo.numScreens)
- return BadValue;
- owner = DGA_GETCLIENT(stuff->screen);
-
- REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
-
- if (!DGAAvailable(stuff->screen))
- return DGAErrorBase + XF86DGANoDirectVideoMode;
-
- 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 (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;
-
- 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 (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;
- 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 (client->noClientException);
- } else {
- return (rc == BadValue) ? BadColor : 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 (client->noClientException);
-}
-
-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 (client->noClientException);
-}
-
-#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;
-}
+/*
+ * 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 <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#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 <X11/extensions/xf86dgaproto.h>
+#include "swaprep.h"
+#include "dgaproc.h"
+#include "xf86dgaext.h"
+#include "protocol-versions.h"
+
+#include <string.h>
+
+#include "modinit.h"
+
+#define DGA_PROTOCOL_OLD_SUPPORT 1
+
+static DISPATCH_PROC(ProcXDGADispatch);
+static DISPATCH_PROC(SProcXDGADispatch);
+static DISPATCH_PROC(ProcXDGAQueryVersion);
+static DISPATCH_PROC(ProcXDGAQueryModes);
+static DISPATCH_PROC(ProcXDGASetMode);
+static DISPATCH_PROC(ProcXDGAOpenFramebuffer);
+static DISPATCH_PROC(ProcXDGACloseFramebuffer);
+static DISPATCH_PROC(ProcXDGASetViewport);
+static DISPATCH_PROC(ProcXDGAInstallColormap);
+static DISPATCH_PROC(ProcXDGASelectInput);
+static DISPATCH_PROC(ProcXDGAFillRectangle);
+static DISPATCH_PROC(ProcXDGACopyArea);
+static DISPATCH_PROC(ProcXDGACopyTransparentArea);
+static DISPATCH_PROC(ProcXDGAGetViewportStatus);
+static DISPATCH_PROC(ProcXDGASync);
+static DISPATCH_PROC(ProcXDGASetClientVersion);
+static DISPATCH_PROC(ProcXDGAChangePixmapMode);
+static DISPATCH_PROC(ProcXDGACreateColormap);
+
+static void XDGAResetProc(ExtensionEntry *extEntry);
+
+static void DGAClientStateChange (CallbackListPtr*, pointer, pointer);
+
+unsigned char DGAReqCode = 0;
+int DGAErrorBase;
+int DGAEventBase;
+
+static int DGAScreenPrivateKeyIndex;
+static DevPrivateKey DGAScreenPrivateKey = &DGAScreenPrivateKeyIndex;
+static int DGAClientPrivateKeyIndex;
+static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKeyIndex;
+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)
+
+
+void
+XFree86DGAExtensionInit(INITARGS)
+{
+ ExtensionEntry* extEntry;
+
+ 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);
+ }
+}
+
+
+
+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 == BadValue) ? BadColor : 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 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 Success;
+}
+
+static int
+ProcXF86DGADirectVideo(ClientPtr client)
+{
+ int num;
+ PixmapPtr pix;
+ XDGAModeRec mode;
+ ClientPtr owner;
+ REQUEST(xXF86DGADirectVideoReq);
+
+ if (stuff->screen > screenInfo.numScreens)
+ return BadValue;
+ owner = DGA_GETCLIENT(stuff->screen);
+
+ REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
+
+ if (!DGAAvailable(stuff->screen))
+ return DGAErrorBase + XF86DGANoDirectVideoMode;
+
+ 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 == BadValue) ? BadColor : 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 13:01:03 +0000