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/* $XFree86$ */ /* -*- 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->_ColorDrawBufferMask[0] == BUFFER_BIT_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);
if ( sarea->ctx_owner != mmesa->hHWContext ) {
sarea->ctx_owner = mmesa->hHWContext;
mmesa->dirty = MACH64_UPLOAD_ALL;
}
for ( i = mmesa->firstTexHeap ; i < mmesa->lastTexHeap ; i++ ) {
if ( mmesa->texHeap[i] && (sarea->tex_age[i] != mmesa->lastTexAge[i]) ) {
mach64AgeTextures( mmesa, i );
}
}
}
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