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