/* * Copyright © 2008 Red Hat, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Soft- * ware"), to deal in the Software without restriction, including without * limitation the rights to use, copy, modify, merge, publish, distribute, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, provided that the above copyright * notice(s) and this permission notice appear in all copies of the Soft- * ware and that both the above copyright notice(s) and this permission * notice appear in supporting documentation. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- * MANCE OF THIS SOFTWARE. * * Except as contained in this notice, the name of a copyright holder shall * not be used in advertising or otherwise to promote the sale, use or * other dealings in this Software without prior written authorization of * the copyright holder. * * Authors: * Kristian Høgsberg (krh@redhat.com) */ #define NEED_REPLIES #include #include #include #include "xf86drm.h" #include "va_dri2.h" #include "va_dri2str.h" #include "va_dri2tokens.h" #ifndef DRI2DriverDRI #define DRI2DriverDRI 0 #endif static int VA_DRI2Error(Display *dpy, xError *err, XExtCodes *codes, int *ret_code); static char va_dri2ExtensionName[] = DRI2_NAME; static XExtensionInfo _va_dri2_info_data; static XExtensionInfo *va_dri2Info = &_va_dri2_info_data; static XEXT_GENERATE_CLOSE_DISPLAY (VA_DRI2CloseDisplay, va_dri2Info) static /* const */ XExtensionHooks va_dri2ExtensionHooks = { NULL, /* create_gc */ NULL, /* copy_gc */ NULL, /* flush_gc */ NULL, /* free_gc */ NULL, /* create_font */ NULL, /* free_font */ VA_DRI2CloseDisplay, /* close_display */ NULL, /* wire_to_event */ NULL, /* event_to_wire */ VA_DRI2Error, /* error */ NULL, /* error_string */ }; static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, va_dri2Info, va_dri2ExtensionName, &va_dri2ExtensionHooks, 0, NULL) static int VA_DRI2Error(Display *dpy, xError *err, XExtCodes *codes, int *ret_code) { /* * If the X drawable was destroyed before the VA drawable, the DRI2 drawable * will be gone by the time we call VA_DRI2DestroyDrawable(). So, simply * ignore BadDrawable errors in that case. */ if (err->majorCode == codes->major_opcode && err->errorCode == BadDrawable && err->minorCode == X_DRI2DestroyDrawable) return True; return False; } Bool VA_DRI2QueryExtension(Display *dpy, int *eventBase, int *errorBase) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); if (XextHasExtension(info)) { *eventBase = info->codes->first_event; *errorBase = info->codes->first_error; return True; } return False; } Bool VA_DRI2QueryVersion(Display *dpy, int *major, int *minor) { XExtDisplayInfo *info = DRI2FindDisplay (dpy); xDRI2QueryVersionReply rep; xDRI2QueryVersionReq *req; XextCheckExtension (dpy, info, va_dri2ExtensionName, False); LockDisplay(dpy); GetReq(DRI2QueryVersion, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2QueryVersion; req->majorVersion = DRI2_MAJOR; req->minorVersion = DRI2_MINOR; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } *major = rep.majorVersion; *minor = rep.minorVersion; UnlockDisplay(dpy); SyncHandle(); return True; } Bool VA_DRI2Connect(Display *dpy, XID window, char **driverName, char **deviceName) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2ConnectReply rep; xDRI2ConnectReq *req; XextCheckExtension (dpy, info, va_dri2ExtensionName, False); LockDisplay(dpy); GetReq(DRI2Connect, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2Connect; req->window = window; req->driverType = DRI2DriverDRI; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) { UnlockDisplay(dpy); SyncHandle(); return False; } *driverName = Xmalloc(rep.driverNameLength + 1); if (*driverName == NULL) { _XEatData(dpy, ((rep.driverNameLength + 3) & ~3) + ((rep.deviceNameLength + 3) & ~3)); UnlockDisplay(dpy); SyncHandle(); return False; } _XReadPad(dpy, *driverName, rep.driverNameLength); (*driverName)[rep.driverNameLength] = '\0'; *deviceName = Xmalloc(rep.deviceNameLength + 1); if (*deviceName == NULL) { Xfree(*driverName); _XEatData(dpy, ((rep.deviceNameLength + 3) & ~3)); UnlockDisplay(dpy); SyncHandle(); return False; } _XReadPad(dpy, *deviceName, rep.deviceNameLength); (*deviceName)[rep.deviceNameLength] = '\0'; UnlockDisplay(dpy); SyncHandle(); return True; } Bool VA_DRI2Authenticate(Display *dpy, XID window, drm_magic_t magic) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2AuthenticateReq *req; xDRI2AuthenticateReply rep; XextCheckExtension (dpy, info, va_dri2ExtensionName, False); LockDisplay(dpy); GetReq(DRI2Authenticate, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2Authenticate; req->window = window; req->magic = magic; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } UnlockDisplay(dpy); SyncHandle(); return rep.authenticated; } void VA_DRI2CreateDrawable(Display *dpy, XID drawable) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2CreateDrawableReq *req; XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); LockDisplay(dpy); GetReq(DRI2CreateDrawable, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2CreateDrawable; req->drawable = drawable; UnlockDisplay(dpy); SyncHandle(); } void VA_DRI2DestroyDrawable(Display *dpy, XID drawable) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2DestroyDrawableReq *req; XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); XSync(dpy, False); LockDisplay(dpy); GetReq(DRI2DestroyDrawable, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2DestroyDrawable; req->drawable = drawable; UnlockDisplay(dpy); SyncHandle(); } VA_DRI2Buffer *VA_DRI2GetBuffers(Display *dpy, XID drawable, int *width, int *height, unsigned int *attachments, int count, int *outCount) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2GetBuffersReply rep; xDRI2GetBuffersReq *req; VA_DRI2Buffer *buffers; xDRI2Buffer repBuffer; CARD32 *p; int i; XextCheckExtension (dpy, info, va_dri2ExtensionName, False); LockDisplay(dpy); GetReqExtra(DRI2GetBuffers, count * 4, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2GetBuffers; req->drawable = drawable; req->count = count; p = (CARD32 *) &req[1]; for (i = 0; i < count; i++) p[i] = attachments[i]; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return NULL; } *width = rep.width; *height = rep.height; *outCount = rep.count; buffers = Xmalloc(rep.count * sizeof buffers[0]); if (buffers == NULL) { _XEatData(dpy, rep.count * sizeof repBuffer); UnlockDisplay(dpy); SyncHandle(); return NULL; } for (i = 0; i < rep.count; i++) { _XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer); buffers[i].attachment = repBuffer.attachment; buffers[i].name = repBuffer.name; buffers[i].pitch = repBuffer.pitch; buffers[i].cpp = repBuffer.cpp; buffers[i].flags = repBuffer.flags; } UnlockDisplay(dpy); SyncHandle(); return buffers; } void VA_DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region, CARD32 dest, CARD32 src) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2CopyRegionReq *req; xDRI2CopyRegionReply rep; XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); LockDisplay(dpy); GetReq(DRI2CopyRegion, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2CopyRegion; req->drawable = drawable; req->region = region; req->dest = dest; req->src = src; _XReply(dpy, (xReply *)&rep, 0, xFalse); UnlockDisplay(dpy); SyncHandle(); } static void load_swap_req(xDRI2SwapBuffersReq *req, CARD64 target, CARD64 divisor, CARD64 remainder) { req->target_msc_hi = target >> 32; req->target_msc_lo = target & 0xffffffff; req->divisor_hi = divisor >> 32; req->divisor_lo = divisor & 0xffffffff; req->remainder_hi = remainder >> 32; req->remainder_lo = remainder & 0xffffffff; } static CARD64 vals_to_card64(CARD32 lo, CARD32 hi) { return (CARD64)hi << 32 | lo; } void VA_DRI2SwapBuffers(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor, CARD64 remainder, CARD64 *count) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2SwapBuffersReq *req; xDRI2SwapBuffersReply rep; XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName); LockDisplay(dpy); GetReq(DRI2SwapBuffers, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2SwapBuffers; req->drawable = drawable; load_swap_req(req, target_msc, divisor, remainder); _XReply(dpy, (xReply *)&rep, 0, xFalse); *count = vals_to_card64(rep.swap_lo, rep.swap_hi); UnlockDisplay(dpy); SyncHandle(); }