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Diffstat (limited to 'src/glx/dri2.c')
| -rw-r--r-- | src/glx/dri2.c | 645 |
1 files changed, 645 insertions, 0 deletions
diff --git a/src/glx/dri2.c b/src/glx/dri2.c new file mode 100644 index 0000000000..91053d3fb6 --- /dev/null +++ b/src/glx/dri2.c @@ -0,0 +1,645 @@ +/* + * 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 + +#define NEED_REPLIES +#include <stdio.h> +#include <X11/Xlibint.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <X11/extensions/dri2proto.h> +#include "xf86drm.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 /* 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 */ + NULL, /* error */ + NULL, /* error_string */ +}; + +static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, + dri2Info, + dri2ExtensionName, + &dri2ExtensionHooks, + 1, NULL) + +static Bool +DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + XExtDisplayInfo *glx_info = __glXFindDisplay(dpy); + static int glx_event_base; + static Bool found_glx_info = False; + + 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; + xDRI2BufferSwapComplete *awire = (xDRI2BufferSwapComplete *)wire; + aevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *) wire); + aevent->type = + (glx_info->codes->first_event + GLX_BufferSwapComplete) & 0x75; + 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_BLIT_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; + aevent->sbc = ((CARD64)awire->sbc_hi << 32) | awire->sbc_lo; + return True; + } +#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; +} + +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; + + 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(); + + 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; + 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 +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 = 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; +} + + +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 = 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 +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(); +} + +#ifdef X_DRI2SwapBuffers +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 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, 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(); +} +#endif + +#ifdef X_DRI2GetMSC +Bool DRI2GetMSC(Display *dpy, XID drawable, CARD64 *ust, CARD64 *msc, + CARD64 *sbc) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + xDRI2GetMSCReq *req; + xDRI2MSCReply rep; + + XextCheckExtension (dpy, info, dri2ExtensionName, False); + + LockDisplay(dpy); + GetReq(DRI2GetMSC, req); + req->reqType = info->codes->major_opcode; + req->dri2ReqType = X_DRI2GetMSC; + req->drawable = drawable; + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + *ust = vals_to_card64(rep.ust_lo, rep.ust_hi); + *msc = vals_to_card64(rep.msc_lo, rep.msc_hi); + *sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi); + + UnlockDisplay(dpy); + SyncHandle(); + + return True; +} +#endif + +#ifdef X_DRI2WaitMSC +static void +load_msc_req(xDRI2WaitMSCReq *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; +} + +Bool DRI2WaitMSC(Display *dpy, XID drawable, CARD64 target_msc, CARD64 divisor, + CARD64 remainder, CARD64 *ust, CARD64 *msc, CARD64 *sbc) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + xDRI2WaitMSCReq *req; + xDRI2MSCReply rep; + + XextCheckExtension (dpy, info, dri2ExtensionName, False); + + LockDisplay(dpy); + GetReq(DRI2WaitMSC, req); + req->reqType = info->codes->major_opcode; + req->dri2ReqType = X_DRI2WaitMSC; + req->drawable = drawable; + load_msc_req(req, target_msc, divisor, remainder); + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + *ust = ((CARD64)rep.ust_hi << 32) | (CARD64)rep.ust_lo; + *msc = ((CARD64)rep.msc_hi << 32) | (CARD64)rep.msc_lo; + *sbc = ((CARD64)rep.sbc_hi << 32) | (CARD64)rep.sbc_lo; + + UnlockDisplay(dpy); + SyncHandle(); + + return True; +} +#endif + +#ifdef X_DRI2WaitSBC +static void +load_sbc_req(xDRI2WaitSBCReq *req, CARD64 target) +{ + req->target_sbc_hi = target >> 32; + req->target_sbc_lo = target & 0xffffffff; +} + +Bool DRI2WaitSBC(Display *dpy, XID drawable, CARD64 target_sbc, CARD64 *ust, + CARD64 *msc, CARD64 *sbc) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + xDRI2WaitSBCReq *req; + xDRI2MSCReply rep; + + XextCheckExtension (dpy, info, dri2ExtensionName, False); + + LockDisplay(dpy); + GetReq(DRI2WaitSBC, req); + req->reqType = info->codes->major_opcode; + req->dri2ReqType = X_DRI2WaitSBC; + req->drawable = drawable; + load_sbc_req(req, target_sbc); + + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + + *ust = ((CARD64)rep.ust_hi << 32) | rep.ust_lo; + *msc = ((CARD64)rep.msc_hi << 32) | rep.msc_lo; + *sbc = ((CARD64)rep.sbc_hi << 32) | rep.sbc_lo; + + UnlockDisplay(dpy); + SyncHandle(); + + return True; +} +#endif + +#ifdef X_DRI2SwapInterval +void DRI2SwapInterval(Display *dpy, XID drawable, int interval) +{ + XExtDisplayInfo *info = DRI2FindDisplay(dpy); + xDRI2SwapIntervalReq *req; + + XextSimpleCheckExtension (dpy, info, dri2ExtensionName); + + LockDisplay(dpy); + GetReq(DRI2SwapInterval, req); + req->reqType = info->codes->major_opcode; + req->dri2ReqType = X_DRI2SwapInterval; + req->drawable = drawable; + req->interval = interval; + UnlockDisplay(dpy); + SyncHandle(); +} +#endif + +#endif /* GLX_DIRECT_RENDERING */ |