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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"
static void
exaUploadFallback(PixmapPtr pPixmap, CARD8 *src, int src_pitch)
{
ExaPixmapPriv(pPixmap);
RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
GCPtr pGC = GetScratchGC (pPixmap->drawable.depth,
pPixmap->drawable.pScreen);
int nbox, cpp = pPixmap->drawable.bitsPerPixel / 8;
DamagePtr backup = pExaPixmap->pDamage;
BoxPtr pbox;
CARD8 *src2;
/* We don't want damage optimisations. */
pExaPixmap->pDamage = NULL;
ValidateGC (&pPixmap->drawable, pGC);
pbox = REGION_RECTS(damage);
nbox = REGION_NUM_RECTS(damage);
while (nbox--) {
src2 = src + pbox->y1 * src_pitch + pbox->x1 * cpp;
ExaCheckPutImage(&pPixmap->drawable, pGC,
pPixmap->drawable.depth, pbox->x1, pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, 0,
ZPixmap, (char*) src2);
pbox++;
}
FreeScratchGC (pGC);
pExaPixmap->pDamage = backup;
}
void
exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
ExaPixmapPriv(pPixmap);
RegionPtr damage = DamageRegion (pExaPixmap->pDamage);
void *sys_buffer = pExaPixmap->sys_ptr;
int w = pPixmap->drawable.width, h = pPixmap->drawable.height;
int depth = pPixmap->drawable.depth, bpp = pPixmap->drawable.bitsPerPixel;
int usage_hint = pPixmap->usage_hint;
int sys_pitch = pExaPixmap->sys_pitch;
int paddedWidth = sys_pitch;
int nbox;
BoxPtr pbox;
/* Already done. */
if (pExaPixmap->driverPriv)
return;
if (exaPixmapIsPinned(pPixmap))
return;
/* Can't accel 1/4 bpp. */
if (pExaPixmap->accel_blocked || bpp < 8)
return;
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 {
if (paddedWidth < pExaPixmap->fb_pitch)
paddedWidth = pExaPixmap->fb_pitch;
pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, paddedWidth*h, 0);
}
if (!pExaPixmap->driverPriv)
return;
pExaPixmap->offscreen = TRUE;
pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr = NULL;
pExaPixmap->sys_pitch = pPixmap->devKind = 0;
pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
(*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
paddedWidth, NULL);
/* scratch pixmaps */
if (!w || !h)
goto finish;
/* we do not malloc memory by default. */
if (!sys_buffer)
goto finish;
if (!pExaScr->info->UploadToScreen)
goto fallback;
pbox = REGION_RECTS(damage);
nbox = REGION_NUM_RECTS(damage);
while (nbox--) {
if (!pExaScr->info->UploadToScreen(pPixmap, pbox->x1, pbox->y1, pbox->x2 - pbox->x1,
pbox->y2 - pbox->y1, (char *) (sys_buffer) + pbox->y1 * sys_pitch + pbox->x1 * (bpp / 8), sys_pitch))
goto fallback;
pbox++;
}
goto finish;
fallback:
exaUploadFallback(pPixmap, sys_buffer, sys_pitch);
finish:
free(sys_buffer);
/* We no longer need this. */
if (pExaPixmap->pDamage) {
DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
DamageDestroy(pExaPixmap->pDamage);
pExaPixmap->pDamage = NULL;
}
}
void
exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
{
int i;
/* If anything is pinned in system memory, we won't be able to
* accelerate.
*/
for (i = 0; i < npixmaps; i++) {
if (exaPixmapIsPinned (pixmaps[i].pPix) &&
!exaPixmapIsOffscreen (pixmaps[i].pPix))
{
can_accel = FALSE;
break;
}
}
/* We can do nothing. */
if (!can_accel)
return;
for (i = 0; i < npixmaps; i++) {
PixmapPtr pPixmap = pixmaps[i].pPix;
ExaPixmapPriv(pPixmap);
if (!pExaPixmap->driverPriv)
exaCreateDriverPixmap_mixed(pPixmap);
}
}
void
exaMoveInPixmap_mixed(PixmapPtr pPixmap)
{
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = pPixmap;
pixmaps[0].pReg = NULL;
exaDoMigration(pixmaps, 1, TRUE);
}
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