| /* -*- 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 <gareth@valinux.com>, 29 Sep - 1 Oct 2000 |
| * |
| * Authors: |
| * Gareth Hughes <gareth@valinux.com> |
| * |
| */ |
| |
| #include "tdfx_context.h" |
| #include "tdfx_lock.h" |
| #include "tdfx_state.h" |
| #include "tdfx_render.h" |
| #include "tdfx_texman.h" |
| #include "tdfx_tris.h" |
| |
| #include "drirenderbuffer.h" |
| |
| |
| void tdfxGetLock( tdfxContextPtr fxMesa ) |
| { |
| __DRIcontextPrivate *cPriv = fxMesa->driContext; |
| __DRIdrawablePrivate *const drawable = cPriv->driDrawablePriv; |
| __DRIdrawablePrivate *const readable = cPriv->driReadablePriv; |
| __DRIscreenPrivate *sPriv = drawable->driScreenPriv; |
| TDFXSAREAPriv *saPriv = (TDFXSAREAPriv *) (((char *) sPriv->pSAREA) + |
| fxMesa->fxScreen->sarea_priv_offset); |
| unsigned int stamp = drawable->lastStamp; |
| |
| drmGetLock( fxMesa->driFd, fxMesa->hHWContext, 0 ); |
| |
| /* This macro will update drawable's cliprects if needed */ |
| DRI_VALIDATE_DRAWABLE_INFO(sPriv, drawable); |
| if (drawable != readable) { |
| DRI_VALIDATE_DRAWABLE_INFO(sPriv, readable); |
| } |
| |
| 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 ((*drawable->pStamp != stamp) |
| || (saPriv->ctxOwner != fxMesa->hHWContext)) { |
| driUpdateFramebufferSize(fxMesa->glCtx, drawable); |
| if (drawable != readable) { |
| driUpdateFramebufferSize(fxMesa->glCtx, readable); |
| } |
| |
| tdfxUpdateClipping(fxMesa->glCtx); |
| tdfxUploadClipping(fxMesa); |
| } |
| |
| DEBUG_LOCK(); |
| } |