| /* $XFree86$ */ |
| /************************************************************************** |
| |
| Copyright 2003 Eric Anholt |
| 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 |
| on the rights to use, copy, modify, merge, publish, distribute, sub |
| license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| ERIC ANHOLT 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: |
| * Eric Anholt <anholt@FreeBSD.org> |
| */ |
| |
| #include "context.h" |
| #include "sis_context.h" |
| #include "sis_lock.h" |
| #include "sis_dd.h" |
| #include "sis_state.h" |
| #include "drirenderbuffer.h" |
| |
| /* 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 |
| sisGetLock( sisContextPtr smesa, GLuint flags ) |
| { |
| __DRIdrawablePrivate *dPriv = smesa->driDrawable; |
| __DRIscreenPrivate *sPriv = smesa->driScreen; |
| SISSAREAPrivPtr sarea = smesa->sarea; |
| |
| drmGetLock( smesa->driFd, smesa->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 ( smesa->lastStamp != dPriv->lastStamp ) { |
| sisUpdateBufferSize( smesa ); |
| sisUpdateClipping( smesa->glCtx ); |
| if (smesa->is6326) |
| sis6326DDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer[0] ); |
| else |
| sisDDDrawBuffer( smesa->glCtx, smesa->glCtx->Color.DrawBuffer[0] ); |
| driUpdateFramebufferSize(smesa->glCtx, dPriv); |
| smesa->lastStamp = dPriv->lastStamp; |
| } |
| |
| if ( sarea->CtxOwner != smesa->hHWContext ) { |
| sarea->CtxOwner = smesa->hHWContext; |
| smesa->GlobalFlag = GFLAG_ALL; |
| } |
| } |