/**
* For the "greedy" migration scheme, pushes the pixmap toward being located in
* system memory.
*/
static void
exaMigrateTowardSys (PixmapPtr pPixmap)
{
ExaPixmapPriv (pPixmap);
if (pExaPixmap == NULL) {
DBG_MIGRATE(("UseMem: ignoring exa-uncontrolled pixmap %p (%s)\n",
(pointer)pPixmap,
exaPixmapIsOffscreen(pPixmap) ? "s" : "m"));
return;
}
DBG_MIGRATE(("UseMem: %p score %d\n", (pointer)pPixmap, pExaPixmap->score));
if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED)
return;
if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT)
pExaPixmap->score = 0;
if (pExaPixmap->score > EXA_PIXMAP_SCORE_MIN)
pExaPixmap->score--;
if (pExaPixmap->score <= EXA_PIXMAP_SCORE_MOVE_OUT && pExaPixmap->area)
exaMoveOutPixmap (pPixmap);
}
/**
* Copies out important pixmap data and removes references to framebuffer area.
* Called when the memory manager decides it's time to kick the pixmap out of
* framebuffer entirely.
*/
void
exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area)
{
PixmapPtr pPixmap = area->privData;
ExaPixmapPriv(pPixmap);
RegionPtr pDamageReg = DamageRegion(pExaPixmap->pDamage);
DBG_MIGRATE (("Save %p (%p) (%dx%d) (%c)\n", pPixmap,
(void*)(ExaGetPixmapPriv(pPixmap)->area ?
ExaGetPixmapPriv(pPixmap)->area->offset : 0),
pPixmap->drawable.width,
pPixmap->drawable.height,
exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
if (exaPixmapIsOffscreen(pPixmap)) {
exaCopyDirtyToSys (pPixmap);
pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
pPixmap->devKind = pExaPixmap->sys_pitch;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
}
pExaPixmap->fb_ptr = NULL;
pExaPixmap->area = NULL;
/* Mark all valid bits as damaged, so they'll get copied to FB next time */
REGION_UNION(pPixmap->drawable.pScreen, pDamageReg, pDamageReg,
&pExaPixmap->validReg);
}
/**
* For the "greedy" migration scheme, pushes the pixmap toward being located in
* system memory.
*/
static void
exaMigrateTowardSys(ExaMigrationPtr migrate)
{
PixmapPtr pPixmap = migrate->pPix;
ExaPixmapPriv(pPixmap);
DBG_MIGRATE(("UseMem: %p score %d\n", (pointer) pPixmap,
pExaPixmap->score));
if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED)
return;
if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT)
pExaPixmap->score = 0;
if (pExaPixmap->score > EXA_PIXMAP_SCORE_MIN)
pExaPixmap->score--;
if (pExaPixmap->score <= EXA_PIXMAP_SCORE_MOVE_OUT && pExaPixmap->area)
exaDoMoveOutPixmap(migrate);
if (exaPixmapHasGpuCopy(pPixmap)) {
exaCopyDirtyToFb(migrate);
ExaOffscreenMarkUsed(pPixmap);
}
else
exaCopyDirtyToSys(migrate);
}
/**
* Switches the current active location of the pixmap to system memory, copying
* updated data out if necessary.
*/
static void
exaDoMoveOutPixmap(ExaMigrationPtr migrate)
{
PixmapPtr pPixmap = migrate->pPix;
ExaPixmapPriv(pPixmap);
if (!pExaPixmap->area || exaPixmapIsPinned(pPixmap))
return;
exaCopyDirtyToSys(migrate);
if (exaPixmapHasGpuCopy(pPixmap)) {
DBG_MIGRATE(("<- %p (%p) (%dx%d) (%c)\n", pPixmap,
(void *) (ExaGetPixmapPriv(pPixmap)->area ?
ExaGetPixmapPriv(pPixmap)->area->offset : 0),
pPixmap->drawable.width,
pPixmap->drawable.height,
exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
pExaPixmap->use_gpu_copy = FALSE;
pPixmap->devKind = pExaPixmap->sys_pitch;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
}
}
/**
* Allocates a framebuffer copy of the pixmap if necessary, and then copies
* any necessary pixmap data into the framebuffer copy and points the pixmap at
* it.
*
* Note that when first allocated, a pixmap will have FALSE dirty flag.
* This is intentional because pixmap data starts out undefined. So if we move
* it in due to the first operation against it being accelerated, it will have
* undefined framebuffer contents that we didn't have to upload. If we do
* moveouts (and moveins) after the first movein, then we will only have to copy
* back and forth if the pixmap was written to after the last synchronization of
* the two copies. Then, at exaPixmapSave (when the framebuffer copy goes away)
* we mark the pixmap dirty, so that the next exaMoveInPixmap will actually move
* all the data, since it's almost surely all valid now.
*/
static void
exaDoMoveInPixmap(ExaMigrationPtr migrate)
{
PixmapPtr pPixmap = migrate->pPix;
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
ExaPixmapPriv(pPixmap);
/* If we're VT-switched away, no touching card memory allowed. */
if (pExaScr->swappedOut)
return;
/* If we're not allowed to move, then fail. */
if (exaPixmapIsPinned(pPixmap))
return;
/* Don't migrate in pixmaps which are less than 8bpp. This avoids a lot of
* fragility in EXA, and <8bpp is probably not used enough any more to care
* (at least, not in acceleratd paths).
*/
if (pPixmap->drawable.bitsPerPixel < 8)
return;
if (pExaPixmap->accel_blocked)
return;
if (pExaPixmap->area == NULL) {
pExaPixmap->area =
exaOffscreenAlloc(pScreen, pExaPixmap->fb_size,
pExaScr->info->pixmapOffsetAlign, FALSE,
exaPixmapSave, (pointer) pPixmap);
if (pExaPixmap->area == NULL)
return;
pExaPixmap->fb_ptr = (CARD8 *) pExaScr->info->memoryBase +
pExaPixmap->area->offset;
}
exaCopyDirtyToFb(migrate);
if (exaPixmapHasGpuCopy(pPixmap))
return;
DBG_MIGRATE(("-> %p (0x%x) (%dx%d) (%c)\n", pPixmap,
(ExaGetPixmapPriv(pPixmap)->area ?
ExaGetPixmapPriv(pPixmap)->area->offset : 0),
pPixmap->drawable.width,
pPixmap->drawable.height,
exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
pExaPixmap->use_gpu_copy = TRUE;
pPixmap->devKind = pExaPixmap->fb_pitch;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
}
/**
* For the "greedy" migration scheme, pushes the pixmap toward being located in
* framebuffer memory.
*/
static void
exaMigrateTowardFb (PixmapPtr pPixmap)
{
ExaPixmapPriv (pPixmap);
if (pExaPixmap == NULL) {
DBG_MIGRATE(("UseScreen: ignoring exa-uncontrolled pixmap %p (%s)\n",
(pointer)pPixmap,
exaPixmapIsOffscreen(pPixmap) ? "s" : "m"));
return;
}
if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED) {
DBG_MIGRATE(("UseScreen: not migrating pinned pixmap %p\n",
(pointer)pPixmap));
return;
}
DBG_MIGRATE(("UseScreen %p score %d\n",
(pointer)pPixmap, pExaPixmap->score));
if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT) {
exaMoveInPixmap(pPixmap);
pExaPixmap->score = 0;
}
if (pExaPixmap->score < EXA_PIXMAP_SCORE_MAX)
pExaPixmap->score++;
if (pExaPixmap->score >= EXA_PIXMAP_SCORE_MOVE_IN &&
!exaPixmapIsOffscreen(pPixmap))
{
exaMoveInPixmap (pPixmap);
}
ExaOffscreenMarkUsed (pPixmap);
}
/**
* For the "greedy" migration scheme, pushes the pixmap toward being located in
* framebuffer memory.
*/
static void
exaMigrateTowardFb(ExaMigrationPtr migrate)
{
PixmapPtr pPixmap = migrate->pPix;
ExaPixmapPriv(pPixmap);
if (pExaPixmap->score == EXA_PIXMAP_SCORE_PINNED) {
DBG_MIGRATE(("UseScreen: not migrating pinned pixmap %p\n",
(pointer) pPixmap));
return;
}
DBG_MIGRATE(("UseScreen %p score %d\n",
(pointer) pPixmap, pExaPixmap->score));
if (pExaPixmap->score == EXA_PIXMAP_SCORE_INIT) {
exaDoMoveInPixmap(migrate);
pExaPixmap->score = 0;
}
if (pExaPixmap->score < EXA_PIXMAP_SCORE_MAX)
pExaPixmap->score++;
if (pExaPixmap->score >= EXA_PIXMAP_SCORE_MOVE_IN &&
!exaPixmapHasGpuCopy(pPixmap)) {
exaDoMoveInPixmap(migrate);
}
if (exaPixmapHasGpuCopy(pPixmap)) {
exaCopyDirtyToFb(migrate);
ExaOffscreenMarkUsed(pPixmap);
}
else
exaCopyDirtyToSys(migrate);
}
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;
}
}
/**
* Switches the current active location of the pixmap to system memory, copying
* updated data out if necessary.
*/
void
exaMoveOutPixmap (PixmapPtr pPixmap)
{
ExaPixmapPriv (pPixmap);
if (exaPixmapIsPinned(pPixmap))
return;
if (exaPixmapIsOffscreen(pPixmap)) {
DBG_MIGRATE (("<- %p (%p) (%dx%d) (%c)\n", pPixmap,
(void*)(ExaGetPixmapPriv(pPixmap)->area ?
ExaGetPixmapPriv(pPixmap)->area->offset : 0),
pPixmap->drawable.width,
pPixmap->drawable.height,
exaPixmapIsDirty(pPixmap) ? 'd' : 'c'));
exaCopyDirtyToSys (pPixmap);
pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
pPixmap->devKind = pExaPixmap->sys_pitch;
pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
}
}
