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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 specific implementation. */
static _X_INLINE void *
ExaGetPixmapAddress(PixmapPtr p)
{
ExaPixmapPriv(p);
return pExaPixmap->sys_ptr;
}
/**
* exaCreatePixmap() creates a new pixmap.
*
* Pixmaps are always marked as pinned, because exa has no control over them.
*/
PixmapPtr
exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth,
unsigned usage_hint)
{
PixmapPtr pPixmap;
ExaPixmapPrivPtr pExaPixmap;
int bpp;
size_t paddedWidth, datasize;
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;
/* Set this before driver hooks, to allow for driver pixmaps without gpu
* memory to back it. These pixmaps have a valid pointer at all times.
*/
pPixmap->devPrivate.ptr = NULL;
if (pExaScr->info->CreatePixmap2) {
int new_pitch = 0;
pExaPixmap->driverPriv =
pExaScr->info->CreatePixmap2(pScreen, w, h, depth, usage_hint, bpp,
&new_pitch);
paddedWidth = pExaPixmap->fb_pitch = new_pitch;
}
else {
paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
if (paddedWidth / 4 > 32767 || h > 32767)
return NullPixmap;
exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
if (paddedWidth < pExaPixmap->fb_pitch)
paddedWidth = pExaPixmap->fb_pitch;
datasize = h * paddedWidth;
pExaPixmap->driverPriv =
pExaScr->info->CreatePixmap(pScreen, datasize, 0);
}
if (!pExaPixmap->driverPriv) {
swap(pExaScr, pScreen, DestroyPixmap);
pScreen->DestroyPixmap(pPixmap);
swap(pExaScr, pScreen, DestroyPixmap);
return NULL;
}
/* Allow ModifyPixmapHeader to set sys_ptr appropriately. */
pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
pExaPixmap->fb_ptr = NULL;
pExaPixmap->pDamage = NULL;
pExaPixmap->sys_ptr = NULL;
(*pScreen->ModifyPixmapHeader) (pPixmap, w, h, 0, 0, paddedWidth, NULL);
pExaPixmap->area = NULL;
exaSetAccelBlock(pExaScr, pExaPixmap, w, h, bpp);
pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
/* During a fallback we must prepare access. */
if (pExaScr->fallback_counter)
exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
return pPixmap;
}
Bool
exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height,
int depth, int bitsPerPixel, int devKind,
pointer pPixData)
{
ScreenPtr pScreen;
ExaScreenPrivPtr pExaScr;
ExaPixmapPrivPtr pExaPixmap;
Bool ret;
if (!pPixmap)
return FALSE;
pScreen = pPixmap->drawable.pScreen;
pExaScr = ExaGetScreenPriv(pScreen);
pExaPixmap = ExaGetPixmapPriv(pPixmap);
if (pExaPixmap) {
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);
}
}
if (pExaScr->info->ModifyPixmapHeader) {
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
* !has_gpu_copy 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_driver(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
Bool ret;
if (pPixmap->refcnt == 1) {
ExaPixmapPriv(pPixmap);
exaDestroyPixmap(pPixmap);
if (pExaPixmap->driverPriv)
pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
pExaPixmap->driverPriv = NULL;
}
swap(pExaScr, pScreen, DestroyPixmap);
ret = pScreen->DestroyPixmap(pPixmap);
swap(pExaScr, pScreen, DestroyPixmap);
return ret;
}
Bool
exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
pointer saved_ptr;
Bool ret;
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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