/* * 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) */ #ifdef GLX_DIRECT_RENDERING #include <stdio.h> #include <X11/Xlibint.h> #include <X11/extensions/Xext.h> #include <X11/extensions/extutil.h> #include <X11/extensions/dri2proto.h> #include "dri2.h" #include "glxclient.h" #include "GL/glxext.h" /* Allow the build to work with an older versions of dri2proto.h and * dri2tokens.h. */ #if DRI2_MINOR < 1 #undef DRI2_MINOR #define DRI2_MINOR 1 #define X_DRI2GetBuffersWithFormat 7 #endif static char dri2ExtensionName[] = DRI2_NAME; static XExtensionInfo *dri2Info; static XEXT_GENERATE_CLOSE_DISPLAY (DRI2CloseDisplay, dri2Info) static Bool DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire); static Status DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire); static int DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code); static /* const */ XExtensionHooks dri2ExtensionHooks = { NULL, /* create_gc */ NULL, /* copy_gc */ NULL, /* flush_gc */ NULL, /* free_gc */ NULL, /* create_font */ NULL, /* free_font */ DRI2CloseDisplay, /* close_display */ DRI2WireToEvent, /* wire_to_event */ DRI2EventToWire, /* event_to_wire */ DRI2Error, /* error */ NULL, /* error_string */ }; static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, dri2Info, dri2ExtensionName, &dri2ExtensionHooks, 0, NULL) static Bool DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); struct glx_drawable *glxDraw; XextCheckExtension(dpy, info, dri2ExtensionName, False); switch ((wire->u.u.type & 0x7f) - info->codes->first_event) { #ifdef X_DRI2SwapBuffers case DRI2_BufferSwapComplete: { GLXBufferSwapComplete *aevent = (GLXBufferSwapComplete *)event; xDRI2BufferSwapComplete2 *awire = (xDRI2BufferSwapComplete2 *)wire; __GLXDRIdrawable *pdraw; pdraw = dri2GetGlxDrawableFromXDrawableId(dpy, awire->drawable); if (pdraw == NULL) return False; /* Ignore swap events if we're not looking for them */ aevent->type = dri2GetSwapEventType(dpy, awire->drawable); if(!aevent->type) return False; aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire); aevent->send_event = (awire->type & 0x80) != 0; aevent->display = dpy; aevent->drawable = awire->drawable; switch (awire->event_type) { case DRI2_EXCHANGE_COMPLETE: aevent->event_type = GLX_EXCHANGE_COMPLETE_INTEL; break; case DRI2_BLIT_COMPLETE: aevent->event_type = GLX_COPY_COMPLETE_INTEL; break; case DRI2_FLIP_COMPLETE: aevent->event_type = GLX_FLIP_COMPLETE_INTEL; break; default: /* unknown swap completion type */ return False; } aevent->ust = ((CARD64)awire->ust_hi << 32) | awire->ust_lo; aevent->msc = ((CARD64)awire->msc_hi << 32) | awire->msc_lo; glxDraw = GetGLXDrawable(dpy, pdraw->drawable); if (glxDraw != NULL) { if (awire->sbc < glxDraw->lastEventSbc) glxDraw->eventSbcWrap += 0x100000000; glxDraw->lastEventSbc = awire->sbc; aevent->sbc = awire->sbc + glxDraw->eventSbcWrap; } else { aevent->sbc = awire->sbc; } return True; } #endif #ifdef DRI2_InvalidateBuffers case DRI2_InvalidateBuffers: { xDRI2InvalidateBuffers *awire = (xDRI2InvalidateBuffers *)wire; dri2InvalidateBuffers(dpy, awire->drawable); return False; } #endif default: /* client doesn't support server event */ break; } return False; } /* We don't actually support this. It doesn't make sense for clients to * send each other DRI2 events. */ static Status DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); XextCheckExtension(dpy, info, dri2ExtensionName, False); switch (event->type) { default: /* client doesn't support server event */ break; } return Success; } static int DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code) { if (err->majorCode == codes->major_opcode && err->errorCode == BadDrawable && err->minorCode == X_DRI2CopyRegion) return True; /* If the X drawable was destroyed before the GLX drawable, the * DRI2 drawble will be gone by the time we call * DRI2DestroyDrawable. So just ignore BadDrawable here. */ if (err->majorCode == codes->major_opcode && err->errorCode == BadDrawable && err->minorCode == X_DRI2DestroyDrawable) return True; /* If the server is non-local DRI2Connect will raise BadRequest. * Swallow this so that DRI2Connect can signal this in its return code */ if (err->majorCode == codes->major_opcode && err->minorCode == X_DRI2Connect && err->errorCode == BadRequest) { *ret_code = False; return True; } return False; } Bool 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 DRI2QueryVersion(Display * dpy, int *major, int *minor) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2QueryVersionReply rep; xDRI2QueryVersionReq *req; int i, nevents; XextCheckExtension(dpy, info, 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(); switch (rep.minorVersion) { case 1: nevents = 0; break; case 2: nevents = 1; break; case 3: default: nevents = 2; break; } for (i = 0; i < nevents; i++) { XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent); XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire); } return True; } Bool DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2ConnectReply rep; xDRI2ConnectReq *req; XextCheckExtension(dpy, info, dri2ExtensionName, False); LockDisplay(dpy); GetReq(DRI2Connect, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2Connect; req->window = window; req->driverType = DRI2DriverDRI; #ifdef DRI2DriverPrimeShift { char *prime = getenv("DRI_PRIME"); if (prime) { uint32_t primeid; errno = 0; primeid = strtoul(prime, NULL, 0); if (errno == 0) req->driverType |= ((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift); } } #endif 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 = malloc(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 = malloc(rep.deviceNameLength + 1); if (*deviceName == NULL) { free(*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 DRI2Authenticate(Display * dpy, XID window, drm_magic_t magic) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2AuthenticateReq *req; xDRI2AuthenticateReply rep; XextCheckExtension(dpy, info, 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 DRI2CreateDrawable(Display * dpy, XID drawable) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2CreateDrawableReq *req; XextSimpleCheckExtension(dpy, info, dri2ExtensionName); LockDisplay(dpy); GetReq(DRI2CreateDrawable, req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2CreateDrawable; req->drawable = drawable; UnlockDisplay(dpy); SyncHandle(); } void DRI2DestroyDrawable(Display * dpy, XID drawable) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2DestroyDrawableReq *req; XextSimpleCheckExtension(dpy, info, 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(); } DRI2Buffer * DRI2GetBuffers(Display * dpy, XID drawable, int *width, int *height, unsigned int *attachments, int count, int *outCount) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2GetBuffersReply rep; xDRI2GetBuffersReq *req; DRI2Buffer *buffers; xDRI2Buffer repBuffer; CARD32 *p; int i; XextCheckExtension(dpy, info, 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 = malloc(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; } DRI2Buffer * DRI2GetBuffersWithFormat(Display * dpy, XID drawable, int *width, int *height, unsigned int *attachments, int count, int *outCount) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2GetBuffersReply rep; xDRI2GetBuffersReq *req; DRI2Buffer *buffers; xDRI2Buffer repBuffer; CARD32 *p; int i; XextCheckExtension(dpy, info, dri2ExtensionName, False); LockDisplay(dpy); GetReqExtra(DRI2GetBuffers, count * (4 * 2), req); req->reqType = info->codes->major_opcode; req->dri2ReqType = X_DRI2GetBuffersWithFormat; req->drawable = drawable; req->count = count; p = (CARD32 *) & req[1]; for (i = 0; i < (count * 2); 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 = malloc(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 DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region, CARD32 dest, CARD32 src) { XExtDisplayInfo *info = DRI2FindDisplay(dpy); xDRI2CopyRegionReq *req; xDRI2CopyRegionReply rep; XextSimpleCheckExtension(dpy, info, 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(); } #endif /* GLX_DIRECT_RENDERING */