From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- .../Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c | 90 ++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c') diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c new file mode 100644 index 000000000..6bbfb8d3a --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/tdfx/tdfx_lock.c @@ -0,0 +1,90 @@ +/* -*- mode: c; c-basic-offset: 3 -*- + * + * Copyright 2000 VA Linux Systems Inc., Fremont, California. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +/* $XFree86: xc/lib/GL/mesa/src/drv/tdfx/tdfx_lock.c,v 1.5 2002/12/16 16:19:00 dawes Exp $ */ + +/* + * Original rewrite: + * Gareth Hughes , 29 Sep - 1 Oct 2000 + * + * Authors: + * Gareth Hughes + * + */ + +#include "tdfx_context.h" +#include "tdfx_lock.h" +#include "tdfx_state.h" +#include "tdfx_render.h" +#include "tdfx_texman.h" +#include "tdfx_tris.h" + + +void tdfxGetLock( tdfxContextPtr fxMesa ) +{ + __DRIcontextPrivate *cPriv = fxMesa->driContext; + __DRIdrawablePrivate *dPriv = cPriv->driDrawablePriv; + __DRIscreenPrivate *sPriv = dPriv->driScreenPriv; + TDFXSAREAPriv *saPriv = (TDFXSAREAPriv *) (((char *) sPriv->pSAREA) + + fxMesa->fxScreen->sarea_priv_offset); + unsigned int stamp = dPriv->lastStamp; + + drmGetLock( fxMesa->driFd, fxMesa->hHWContext, 0 ); + + /* This macro will update dPriv's cliprects if needed */ + DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv ); + + if ( saPriv->fifoOwner != fxMesa->hHWContext ) { + fxMesa->Glide.grDRIImportFifo( saPriv->fifoPtr, saPriv->fifoRead ); + } + + if ( saPriv->ctxOwner != fxMesa->hHWContext ) { + /* This sequence looks a little odd. Glide mirrors the state, and + * when you get the state you are forcing the mirror to be up to + * date, and then getting a copy from the mirror. You can then force + * that state onto the hardware when you set the state. + */ + void *state; + FxI32 stateSize; + fxMesa->Glide.grGet(GR_GLIDE_STATE_SIZE, 4, &stateSize); + state = malloc(stateSize); + fxMesa->Glide.grGlideGetState( state ); + fxMesa->Glide.grGlideSetState( state ); + free( state ); + } + +#if 0 + if ( saPriv->texOwner != fxMesa->hHWContext ) { + tdfxTMRestoreTextures_NoLock( fxMesa ); + } +#endif + + if ( *dPriv->pStamp != stamp || saPriv->ctxOwner != fxMesa->hHWContext ) { + tdfxUpdateClipping(fxMesa->glCtx); + tdfxUploadClipping(fxMesa); + } + + DEBUG_LOCK(); +} -- cgit v1.2.3