2009-08-01 19:19:19 +02:00
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/*
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* Copyright <EFBFBD> 2009 Maarten Maathuis
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*
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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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*
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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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* Software.
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*
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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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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <string.h>
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#include "exa_priv.h"
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#include "exa.h"
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/* This file holds the driver allocated pixmaps + better initial placement code.
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* A pinned pixmap implies one that is either driver based already or otherwise altered.
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* Proper care is taken to free the initially allocated buffer.
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*/
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static _X_INLINE void*
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ExaGetPixmapAddress(PixmapPtr p)
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{
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ExaPixmapPriv(p);
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return pExaPixmap->sys_ptr;
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}
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/**
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* exaCreatePixmap() creates a new pixmap.
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*
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* Pixmaps are always marked as pinned, unless the pixmap can still be transfered to a
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* driver pixmaps.
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*/
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PixmapPtr
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exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth,
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unsigned usage_hint)
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{
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PixmapPtr pPixmap;
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ExaPixmapPrivPtr pExaPixmap;
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int bpp;
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size_t paddedWidth, datasize;
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ExaScreenPriv(pScreen);
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if (w > 32767 || h > 32767)
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return NullPixmap;
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swap(pExaScr, pScreen, CreatePixmap);
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pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint);
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swap(pExaScr, pScreen, CreatePixmap);
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if (!pPixmap)
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return NULL;
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pExaPixmap = ExaGetPixmapPriv(pPixmap);
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pExaPixmap->driverPriv = NULL;
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bpp = pPixmap->drawable.bitsPerPixel;
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paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
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if (paddedWidth / 4 > 32767 || h > 32767)
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return NullPixmap;
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datasize = h * paddedWidth;
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2009-08-05 18:39:47 +02:00
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/* We will allocate the system pixmap later if needed. */
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2009-08-08 11:32:05 +02:00
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pPixmap->devPrivate.ptr = NULL;
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2009-08-05 18:39:47 +02:00
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pExaPixmap->sys_ptr = NULL;
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2009-08-01 19:19:19 +02:00
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pExaPixmap->sys_pitch = paddedWidth;
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pExaPixmap->area = NULL;
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pExaPixmap->offscreen = FALSE;
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pExaPixmap->fb_ptr = NULL;
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pExaPixmap->pDamage = NULL;
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exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
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exaSetAccelBlock(pExaScr, pExaPixmap,
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w, h, bpp);
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2009-08-08 10:35:01 +02:00
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/* Avoid freeing sys_ptr. */
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pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
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(*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
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paddedWidth, NULL);
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/* We want to be able to transfer the pixmap to driver memory later on. */
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pExaPixmap->score = EXA_PIXMAP_SCORE_INIT;
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2009-08-01 19:19:19 +02:00
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/* A scratch pixmap will become a driver pixmap right away. */
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if (!w || !h) {
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exaCreateDriverPixmap_mixed(pPixmap);
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} else {
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2009-08-02 02:35:46 +02:00
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/* Set up damage tracking */
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pExaPixmap->pDamage = DamageCreate (NULL, NULL,
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DamageReportNone, TRUE,
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pScreen, pPixmap);
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if (pExaPixmap->pDamage == NULL) {
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swap(pExaScr, pScreen, DestroyPixmap);
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pScreen->DestroyPixmap (pPixmap);
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swap(pExaScr, pScreen, DestroyPixmap);
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return NULL;
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}
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DamageRegister (&pPixmap->drawable, pExaPixmap->pDamage);
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/* This ensures that pending damage reflects the current operation. */
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/* This is used by exa to optimize migration. */
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DamageSetReportAfterOp (pExaPixmap->pDamage, TRUE);
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2009-08-01 19:19:19 +02:00
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}
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return pPixmap;
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}
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Bool
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exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth,
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int bitsPerPixel, int devKind, pointer pPixData)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPrivPtr pExaScr;
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ExaPixmapPrivPtr pExaPixmap;
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Bool ret;
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if (!pPixmap)
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return FALSE;
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pExaScr = ExaGetScreenPriv(pScreen);
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pExaPixmap = ExaGetPixmapPriv(pPixmap);
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if (pExaPixmap) {
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2009-08-07 20:04:53 +02:00
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if (!exaPixmapIsPinned(pPixmap)) {
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free(pExaPixmap->sys_ptr);
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pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr = NULL;
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pExaPixmap->sys_pitch = pPixmap->devKind = 0;
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/* We no longer need this. */
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if (pExaPixmap->pDamage) {
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DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
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DamageDestroy(pExaPixmap->pDamage);
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pExaPixmap->pDamage = NULL;
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2009-08-02 02:35:46 +02:00
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}
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2009-08-01 19:19:19 +02:00
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}
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2009-08-07 20:04:53 +02:00
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if (pPixData)
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pExaPixmap->sys_ptr = pPixData;
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2009-08-01 19:19:19 +02:00
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if (devKind > 0)
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pExaPixmap->sys_pitch = devKind;
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if (width > 0 && height > 0 && bitsPerPixel > 0) {
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exaSetFbPitch(pExaScr, pExaPixmap,
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width, height, bitsPerPixel);
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exaSetAccelBlock(pExaScr, pExaPixmap,
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width, height, bitsPerPixel);
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}
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/* Anything can happen, don't try to predict it all. */
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pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
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}
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/* Only pass driver pixmaps to the driver. */
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if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) {
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ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth,
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bitsPerPixel, devKind, pPixData);
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/* For EXA_HANDLES_PIXMAPS, we set pPixData to NULL.
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* If pPixmap->devPrivate.ptr is non-NULL, then we've got a non-offscreen pixmap.
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* We need to store the pointer, because PrepareAccess won't be called.
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*/
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if (!pPixData && pPixmap->devPrivate.ptr && pPixmap->devKind) {
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pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
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pExaPixmap->sys_pitch = pPixmap->devKind;
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}
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if (ret == TRUE)
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goto out;
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}
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swap(pExaScr, pScreen, ModifyPixmapHeader);
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ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
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bitsPerPixel, devKind, pPixData);
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swap(pExaScr, pScreen, ModifyPixmapHeader);
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out:
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/* Always NULL this, we don't want lingering pointers. */
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pPixmap->devPrivate.ptr = NULL;
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return ret;
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}
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Bool
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exaDestroyPixmap_mixed(PixmapPtr pPixmap)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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Bool ret;
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if (pPixmap->refcnt == 1)
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{
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ExaPixmapPriv (pPixmap);
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if (pExaPixmap->driverPriv)
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pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
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else if (pExaPixmap->sys_ptr && !exaPixmapIsPinned(pPixmap))
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free(pExaPixmap->sys_ptr);
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pExaPixmap->driverPriv = NULL;
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pExaPixmap->sys_ptr = NULL;
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}
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swap(pExaScr, pScreen, DestroyPixmap);
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ret = pScreen->DestroyPixmap (pPixmap);
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swap(pExaScr, pScreen, DestroyPixmap);
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return ret;
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}
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Bool
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exaPixmapIsOffscreen_mixed(PixmapPtr pPixmap)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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ExaPixmapPriv(pPixmap);
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Bool ret;
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if (!pExaPixmap->driverPriv)
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return FALSE;
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pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
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ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
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pPixmap->devPrivate.ptr = NULL;
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return ret;
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}
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