diff options
Diffstat (limited to 'xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c')
| -rw-r--r-- | xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c | 2070 |
1 files changed, 1035 insertions, 1035 deletions
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 <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 "protocol-versions.h"
-
-#include <string.h>
-
-#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 <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 "protocol-versions.h" + +#include <string.h> + +#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); + } +} |