diff options
Diffstat (limited to 'xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c')
| -rw-r--r-- | xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c | 754 |
1 files changed, 754 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c new file mode 100644 index 000000000..295e05e9e --- /dev/null +++ b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c @@ -0,0 +1,754 @@ +/* + Copyright (c) 1999 - The XFree86 Project Inc. + + Written by Mark Vojkovich +*/ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#define NEED_REPLIES +#define NEED_EVENTS +#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" +#define _XF86DGA_SERVER_ +#include <X11/extensions/xf86dga.h> +#include <X11/extensions/xf86dgastr.h> +#include "swaprep.h" +#include "dgaproc.h" +#include "xf86dgaext.h" + +#include <string.h> + +#include "modinit.h" + +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); + +static ClientPtr DGAClients[MAXSCREENS]; + +unsigned char DGAReqCode = 0; +int DGAErrorBase; +int DGAEventBase; + +static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKey; +static int DGACallbackRefCount = 0; + +/* This holds the client's version information */ +typedef struct { + int major; + int minor; +} DGAPrivRec, *DGAPrivPtr; + +#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; + + for(i = 0; i < MAXSCREENS; i++) + DGAClients[i] = NULL; + + 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 = XDGA_MAJOR_VERSION; + rep.minorVersion = 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 = (nameSize + 3) >> 2; + + 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 += (strlen(mode[i].name) + 4) & ~3L; /* plus NULL */ + + rep.number = num; + rep.length = size >> 2; + + 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(DGAClients[i] == pci->client) { + client = pci->client; + break; + } + } + + if(client && + ((client->clientState == ClientStateGone) || + (client->clientState == ClientStateRetained))) { + XDGAModeRec mode; + PixmapPtr pPix; + + DGAClients[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; + int size; + + if (stuff->screen > screenInfo.numScreens) + return BadValue; + + 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(DGAClients[stuff->screen] && + (DGAClients[stuff->screen] != client)) + return DGAErrorBase + XF86DGANoDirectVideoMode; + + if(!stuff->mode) { + if(DGAClients[stuff->screen]) { + if(--DGACallbackRefCount == 0) + DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL); + } + DGAClients[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(!DGAClients[stuff->screen]) { + if(DGACallbackRefCount++ == 0) + AddCallback (&ClientStateCallback, DGAClientStateChange, NULL); + } + + DGAClients[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 = (sz_xXDGAModeInfo + info.name_size) >> 2; + + 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(DGAClients[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; + REQUEST(xXDGAInstallColormapReq); + + if (stuff->screen > screenInfo.numScreens) + return BadValue; + + if(DGAClients[stuff->screen] != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGAInstallColormapReq); + + cmap = (ColormapPtr)LookupIDByType(stuff->cmap, RT_COLORMAP); + if (cmap) { + DGAInstallCmap(cmap); + return (client->noClientException); + } else { + client->errorValue = stuff->cmap; + return (BadColor); + } + + return (client->noClientException); +} + + +static int +ProcXDGASelectInput(ClientPtr client) +{ + REQUEST(xXDGASelectInputReq); + + if (stuff->screen > screenInfo.numScreens) + return BadValue; + + if(DGAClients[stuff->screen] != client) + return DGAErrorBase + XF86DGADirectNotActivated; + + REQUEST_SIZE_MATCH(xXDGASelectInputReq); + + if(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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); +} + + +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 + + /* divert old protocol */ +#if 1 + if( (stuff->data <= X_XF86DGAViewPortChanged) && + (stuff->data >= X_XF86DGAGetVideoLL)) + return ProcXF86DGADispatch(client); +#endif + + switch (stuff->data){ + 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); + default: + return BadRequest; + } +} + +void +XFree86DGARegister(INITARGS) +{ + XDGAEventBase = &DGAEventBase; +} |