void
kaaMoveInPixmap (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
KaaScreenPriv (pScreen);
KaaPixmapPriv (pPixmap);
int dst_pitch, src_pitch, bytes;
unsigned char *dst, *src;
int i;
DBG_MIGRATE (("-> 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
src = pPixmap->devPrivate.ptr;
src_pitch = pPixmap->devKind;
if (!kaaPixmapAllocArea (pPixmap))
return;
pKaaPixmap->dirty = FALSE;
if (pKaaScr->info->UploadToScreen)
{
if (pKaaScr->info->UploadToScreen(pPixmap, (char *) src, src_pitch))
return;
}
dst = pPixmap->devPrivate.ptr;
dst_pitch = pPixmap->devKind;
bytes = src_pitch < dst_pitch ? src_pitch : dst_pitch;
kaaWaitSync (pPixmap->drawable.pScreen);
i = pPixmap->drawable.height;
while (i--) {
memcpy (dst, src, bytes);
dst += dst_pitch;
src += src_pitch;
}
}
static void
kaaMoveOutPixmap (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
KdOffscreenArea *area = pKaaPixmap->area;
DBG_MIGRATE (("<- 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
if (area)
{
kaaPixmapSave (pPixmap->drawable.pScreen, area);
KdOffscreenFree (pPixmap->drawable.pScreen, area);
}
}
static void
kaaPixmapSave (ScreenPtr pScreen, KdOffscreenArea *area)
{
PixmapPtr pPixmap = area->privData;
KaaPixmapPriv(pPixmap);
int dst_pitch, src_pitch, bytes;
unsigned char *dst, *src;
int i;
DBG_MIGRATE (("Save 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
src_pitch = pPixmap->devKind;
dst_pitch = pKaaPixmap->devKind;
src = pPixmap->devPrivate.ptr;
dst = pKaaPixmap->devPrivate.ptr;
pPixmap->devKind = dst_pitch;
pPixmap->devPrivate.ptr = dst;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
pKaaPixmap->area = NULL;
#if 0
if (!pKaaPixmap->dirty)
return;
#endif
kaaWaitSync (pPixmap->drawable.pScreen);
bytes = src_pitch < dst_pitch ? src_pitch : dst_pitch;
i = pPixmap->drawable.height;
while (i--) {
memcpy (dst, src, bytes);
dst += dst_pitch;
src += src_pitch;
}
}
void
kaaPixmapUseMemory (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_PINNED)
return;
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_INIT)
pKaaPixmap->score = 0;
if (pKaaPixmap->score > KAA_PIXMAP_SCORE_MIN)
{
pKaaPixmap->score--;
if (pKaaPixmap->area &&
pKaaPixmap->score <= KAA_PIXMAP_SCORE_MOVE_OUT)
kaaMoveOutPixmap (pPixmap);
}
}
static Bool
kaaDestroyPixmap (PixmapPtr pPixmap)
{
if (pPixmap->refcnt == 1)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->area)
{
DBG_PIXMAP(("-- 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area->offset,
pPixmap->drawable.width,
pPixmap->drawable.height));
/* Free the offscreen area */
KdOffscreenFree (pPixmap->drawable.pScreen, pKaaPixmap->area);
pPixmap->devPrivate = pKaaPixmap->devPrivate;
pPixmap->devKind = pKaaPixmap->devKind;
}
}
return fbDestroyPixmap (pPixmap);
}
void
KdOffscreenMarkUsed (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
KdScreenPriv (pPixmap->drawable.pScreen);
static int iter = 0;
if (!pKaaPixmap->area)
return;
/* The numbers here are arbitrary. We may want to tune these. */
pKaaPixmap->area->score += 100;
if (++iter == 10) {
KdOffscreenArea *area;
for (area = pScreenPriv->off_screen_areas; area != NULL;
area = area->next)
{
if (area->state == KdOffscreenRemovable)
area->score = (area->score * 7) / 8;
}
}
}
void
kaaPixmapUseScreen (PixmapPtr pPixmap)
{
KaaPixmapPriv (pPixmap);
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_PINNED)
return;
if (pKaaPixmap->score == KAA_PIXMAP_SCORE_INIT) {
kaaMoveInPixmap(pPixmap);
pKaaPixmap->score = 0;
}
if (pKaaPixmap->score < KAA_PIXMAP_SCORE_MAX)
{
pKaaPixmap->score++;
if (!kaaPixmapIsOffscreen(pPixmap) &&
pKaaPixmap->score >= KAA_PIXMAP_SCORE_MOVE_IN)
kaaMoveInPixmap (pPixmap);
}
KdOffscreenMarkUsed (pPixmap);
}
static Bool
kaaPixmapAllocArea (PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
KaaScreenPriv (pScreen);
KaaPixmapPriv (pPixmap);
KdScreenPriv (pScreen);
int bpp = pPixmap->drawable.bitsPerPixel;
CARD16 h = pPixmap->drawable.height;
CARD16 w = pPixmap->drawable.width;
int pitch;
if (pKaaScr->info->flags & KAA_OFFSCREEN_ALIGN_POT && w != 1)
w = 1 << (kaaLog2(w - 1) + 1);
pitch = (w * bpp / 8 + pKaaScr->info->pitchAlign - 1) &
~(pKaaScr->info->pitchAlign - 1);
pKaaPixmap->devKind = pPixmap->devKind;
pKaaPixmap->devPrivate = pPixmap->devPrivate;
pKaaPixmap->area = KdOffscreenAlloc (pScreen, pitch * h,
pKaaScr->info->offsetAlign,
FALSE,
kaaPixmapSave, (pointer) pPixmap);
if (!pKaaPixmap->area)
return FALSE;
DBG_PIXMAP(("++ 0x%08x (0x%x) (%dx%d)\n",
pPixmap->drawable.id,
KaaGetPixmapPriv(pPixmap)->area ?
KaaGetPixmapPriv(pPixmap)->area->offset : -1,
pPixmap->drawable.width,
pPixmap->drawable.height));
pPixmap->devKind = pitch;
pPixmap->devPrivate.ptr = (pointer) ((CARD8 *) pScreenPriv->screen->memory_base + pKaaPixmap->area->offset);
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
return TRUE;
}
