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/* -*- mode: c; c-basic-offset: 3 -*-
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* Copyright 2000 VA Linux Systems Inc., Fremont, California.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000
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* Gareth Hughes <gareth@valinux.com>
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#include "tdfx_context.h"
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#include "tdfx_lock.h"
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#include "tdfx_state.h"
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#include "tdfx_render.h"
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#include "tdfx_texman.h"
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#include "drirenderbuffer.h"
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void tdfxGetLock( tdfxContextPtr fxMesa )
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__DRIcontext *cPriv = fxMesa->driContext;
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__DRIdrawable *const drawable = cPriv->driDrawablePriv;
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__DRIdrawable *const readable = cPriv->driReadablePriv;
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__DRIscreen *sPriv = drawable->driScreenPriv;
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TDFXSAREAPriv *saPriv = (TDFXSAREAPriv *) (((char *) sPriv->pSAREA) +
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fxMesa->fxScreen->sarea_priv_offset);
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unsigned int stamp = drawable->lastStamp;
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drmGetLock( fxMesa->driFd, fxMesa->hHWContext, 0 );
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/* This macro will update drawable's cliprects if needed */
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DRI_VALIDATE_DRAWABLE_INFO(sPriv, drawable);
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if (drawable != readable) {
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DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable);
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if ( saPriv->fifoOwner != fxMesa->hHWContext ) {
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fxMesa->Glide.grDRIImportFifo( saPriv->fifoPtr, saPriv->fifoRead );
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if ( saPriv->ctxOwner != fxMesa->hHWContext ) {
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/* This sequence looks a little odd. Glide mirrors the state, and
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* when you get the state you are forcing the mirror to be up to
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* date, and then getting a copy from the mirror. You can then force
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* that state onto the hardware when you set the state.
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fxMesa->Glide.grGet(GR_GLIDE_STATE_SIZE, 4, &stateSize);
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state = malloc(stateSize);
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fxMesa->Glide.grGlideGetState( state );
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fxMesa->Glide.grGlideSetState( state );
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if ( saPriv->texOwner != fxMesa->hHWContext ) {
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tdfxTMRestoreTextures_NoLock( fxMesa );
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if ((*drawable->pStamp != stamp)
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|| (saPriv->ctxOwner != fxMesa->hHWContext)) {
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driUpdateFramebufferSize(fxMesa->glCtx, drawable);
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if (drawable != readable) {
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driUpdateFramebufferSize(fxMesa->glCtx, readable);
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tdfxUpdateClipping(fxMesa->glCtx);
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tdfxUploadClipping(fxMesa);