| /* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */ |
| /* |
| * Copyright 2000 Gareth Hughes |
| * 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 |
| * GARETH HUGHES 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. |
| */ |
| |
| /* |
| * Authors: |
| * Gareth Hughes <gareth@valinux.com> |
| * Leif Delgass <ldelgass@retinalburn.net> |
| * José Fonseca <j_r_fonseca@yahoo.co.uk> |
| */ |
| |
| #include "mach64_context.h" |
| #include "mach64_state.h" |
| #include "mach64_lock.h" |
| #include "mach64_tex.h" |
| #include "drirenderbuffer.h" |
| |
| #if DEBUG_LOCKING |
| char *prevLockFile = NULL; |
| int prevLockLine = 0; |
| #endif |
| |
| |
| /* Update the hardware state. This is called if another context has |
| * grabbed the hardware lock, which includes the X server. This |
| * function also updates the driver's window state after the X server |
| * moves, resizes or restacks a window -- the change will be reflected |
| * in the drawable position and clip rects. Since the X server grabs |
| * the hardware lock when it changes the window state, this routine will |
| * automatically be called after such a change. |
| */ |
| void mach64GetLock( mach64ContextPtr mmesa, GLuint flags ) |
| { |
| __DRIdrawablePrivate *dPriv = mmesa->driDrawable; |
| __DRIscreenPrivate *sPriv = mmesa->driScreen; |
| drm_mach64_sarea_t *sarea = mmesa->sarea; |
| int i; |
| |
| drmGetLock( mmesa->driFd, mmesa->hHWContext, flags ); |
| |
| /* The window might have moved, so we might need to get new clip |
| * rects. |
| * |
| * NOTE: This releases and regrabs the hw lock to allow the X server |
| * to respond to the DRI protocol request for new drawable info. |
| * Since the hardware state depends on having the latest drawable |
| * clip rects, all state checking must be done _after_ this call. |
| */ |
| DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv ); |
| |
| if ( mmesa->lastStamp != dPriv->lastStamp ) { |
| mmesa->lastStamp = dPriv->lastStamp; |
| if (mmesa->glCtx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_BACK_LEFT) |
| mach64SetCliprects( mmesa->glCtx, GL_BACK_LEFT ); |
| else |
| mach64SetCliprects( mmesa->glCtx, GL_FRONT_LEFT ); |
| driUpdateFramebufferSize( mmesa->glCtx, dPriv ); |
| mach64CalcViewport( mmesa->glCtx ); |
| } |
| |
| mmesa->dirty |= (MACH64_UPLOAD_CONTEXT |
| | MACH64_UPLOAD_MISC |
| | MACH64_UPLOAD_CLIPRECTS); |
| |
| /* EXA render acceleration uses the texture engine, so restore it */ |
| mmesa->dirty |= (MACH64_UPLOAD_TEXTURE); |
| |
| if ( sarea->ctx_owner != mmesa->hHWContext ) { |
| sarea->ctx_owner = mmesa->hHWContext; |
| mmesa->dirty = MACH64_UPLOAD_ALL; |
| } |
| |
| for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) { |
| DRI_AGE_TEXTURES( mmesa->texture_heaps[i] ); |
| } |
| } |
