/**
* Accelerates GetImage for solid ZPixmap downloads from framebuffer memory.
*
* This is probably the only case we actually care about. The rest fall through
* to migration and fbGetImage, which hopefully will result in migration pushing
* the pixmap out of framebuffer.
*/
void
exaGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
unsigned int format, unsigned long planeMask, char *d)
{
ExaScreenPriv(pDrawable->pScreen);
PixmapPtr pPix = exaGetDrawablePixmap(pDrawable);
ExaPixmapPriv(pPix);
int xoff, yoff;
Bool ok;
if (pExaScr->fallback_counter || pExaScr->swappedOut)
goto fallback;
/* If there's a system copy, we want to save the result there */
if (pExaPixmap->pDamage)
goto fallback;
pPix = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff);
if (pPix == NULL || pExaScr->info->DownloadFromScreen == NULL)
goto fallback;
/* Only cover the ZPixmap, solid copy case. */
if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask))
goto fallback;
/* Only try to handle the 8bpp and up cases, since we don't want to think
* about <8bpp.
*/
if (pDrawable->bitsPerPixel < 8)
goto fallback;
ok = pExaScr->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff,
pDrawable->y + y + yoff, w, h, d,
PixmapBytePad(w, pDrawable->depth));
if (ok) {
exaWaitSync(pDrawable->pScreen);
return;
}
fallback:
ExaCheckGetImage(pDrawable, x, y, w, h, format, planeMask, d);
}
static void
exaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n,
DDXPointPtr ppt, int *pwidth, int fSorted)
{
ScreenPtr pScreen = pDrawable->pScreen;
ExaScreenPriv(pScreen);
RegionPtr pClip = fbGetCompositeClip(pGC);
PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
ExaPixmapPriv(pPixmap);
BoxPtr pextent, pbox;
int nbox;
int extentX1, extentX2, extentY1, extentY2;
int fullX1, fullX2, fullY1;
int partX1, partX2;
int off_x, off_y;
if (pExaScr->fallback_counter ||
pExaScr->swappedOut ||
pGC->fillStyle != FillSolid || pExaPixmap->accel_blocked) {
ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted);
return;
}
if (pExaScr->do_migration) {
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap;
pixmaps[0].pReg = NULL;
exaDoMigration(pixmaps, 1, TRUE);
}
if (!(pPixmap = exaGetOffscreenPixmap(pDrawable, &off_x, &off_y)) ||
!(*pExaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask, pGC->fgPixel)) {
ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted);
return;
}
pextent = RegionExtents(pClip);
extentX1 = pextent->x1;
extentY1 = pextent->y1;
extentX2 = pextent->x2;
extentY2 = pextent->y2;
while (n--) {
fullX1 = ppt->x;
fullY1 = ppt->y;
fullX2 = fullX1 + (int) *pwidth;
ppt++;
pwidth++;
if (fullY1 < extentY1 || extentY2 <= fullY1)
continue;
if (fullX1 < extentX1)
fullX1 = extentX1;
if (fullX2 > extentX2)
fullX2 = extentX2;
if (fullX1 >= fullX2)
continue;
nbox = RegionNumRects(pClip);
if (nbox == 1) {
(*pExaScr->info->Solid) (pPixmap,
fullX1 + off_x, fullY1 + off_y,
fullX2 + off_x, fullY1 + 1 + off_y);
}
else {
pbox = RegionRects(pClip);
while (nbox--) {
if (pbox->y1 <= fullY1 && fullY1 < pbox->y2) {
partX1 = pbox->x1;
if (partX1 < fullX1)
partX1 = fullX1;
partX2 = pbox->x2;
if (partX2 > fullX2)
partX2 = fullX2;
if (partX2 > partX1) {
(*pExaScr->info->Solid) (pPixmap,
partX1 + off_x, fullY1 + off_y,
partX2 + off_x,
fullY1 + 1 + off_y);
}
}
pbox++;
}
}
}
(*pExaScr->info->DoneSolid) (pPixmap);
exaMarkSync(pScreen);
}
static Bool inline
exaCopyNtoNTwoDir(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)
{
ExaScreenPriv(pDstDrawable->pScreen);
PixmapPtr pSrcPixmap, pDstPixmap;
int src_off_x, src_off_y, dst_off_x, dst_off_y;
int dirsetup;
/* Need to get both pixmaps to call the driver routines */
pSrcPixmap = exaGetOffscreenPixmap(pSrcDrawable, &src_off_x, &src_off_y);
pDstPixmap = exaGetOffscreenPixmap(pDstDrawable, &dst_off_x, &dst_off_y);
if (!pSrcPixmap || !pDstPixmap)
return FALSE;
/*
* Now the case of a chip that only supports xdir = ydir = 1 or
* xdir = ydir = -1, but we have xdir != ydir.
*/
dirsetup = 0; /* No direction set up yet. */
for (; nbox; pbox++, nbox--) {
if (dx >= 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
/* Do a xdir = ydir = -1 blit instead. */
if (dirsetup != -1) {
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
dirsetup = -1;
if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
pDstPixmap,
-1, -1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask :
FB_ALLONES))
return FALSE;
}
(*pExaScr->info->Copy) (pDstPixmap,
src_off_x + pbox->x1 + dx,
src_off_y + pbox->y1 + dy,
dst_off_x + pbox->x1,
dst_off_y + pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
}
else if (dx < 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
/* Do a xdir = ydir = 1 blit instead. */
if (dirsetup != 1) {
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
dirsetup = 1;
if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
pDstPixmap,
1, 1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask :
FB_ALLONES))
return FALSE;
}
(*pExaScr->info->Copy) (pDstPixmap,
src_off_x + pbox->x1 + dx,
src_off_y + pbox->y1 + dy,
dst_off_x + pbox->x1,
dst_off_y + pbox->y1,
pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
}
else if (dx >= 0) {
/*
* xdir = 1, ydir = -1.
* Perform line-by-line xdir = ydir = 1 blits, going up.
*/
int i;
if (dirsetup != 1) {
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
dirsetup = 1;
if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
pDstPixmap,
1, 1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask :
FB_ALLONES))
return FALSE;
}
for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--)
(*pExaScr->info->Copy) (pDstPixmap,
src_off_x + pbox->x1 + dx,
src_off_y + pbox->y1 + dy + i,
dst_off_x + pbox->x1,
dst_off_y + pbox->y1 + i,
pbox->x2 - pbox->x1, 1);
}
else {
/*
* xdir = -1, ydir = 1.
* Perform line-by-line xdir = ydir = -1 blits, going down.
*/
int i;
if (dirsetup != -1) {
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
dirsetup = -1;
if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
pDstPixmap,
-1, -1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask :
FB_ALLONES))
return FALSE;
}
for (i = 0; i < pbox->y2 - pbox->y1; i++)
(*pExaScr->info->Copy) (pDstPixmap,
src_off_x + pbox->x1 + dx,
src_off_y + pbox->y1 + dy + i,
dst_off_x + pbox->x1,
dst_off_y + pbox->y1 + i,
pbox->x2 - pbox->x1, 1);
}
}
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
exaMarkSync(pDstDrawable->pScreen);
return TRUE;
}
static Bool
exaDoPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
int w, int h, int format, char *bits, int src_stride)
{
ExaScreenPriv(pDrawable->pScreen);
PixmapPtr pPix = exaGetDrawablePixmap(pDrawable);
ExaPixmapPriv(pPix);
RegionPtr pClip;
BoxPtr pbox;
int nbox;
int xoff, yoff;
int bpp = pDrawable->bitsPerPixel;
Bool ret = TRUE;
if (pExaScr->fallback_counter || pExaPixmap->accel_blocked ||
!pExaScr->info->UploadToScreen)
return FALSE;
/* If there's a system copy, we want to save the result there */
if (pExaPixmap->pDamage)
return FALSE;
/* Don't bother with under 8bpp, XYPixmaps. */
if (format != ZPixmap || bpp < 8)
return FALSE;
/* Only accelerate copies: no rop or planemask. */
if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)
return FALSE;
if (pExaScr->swappedOut)
return FALSE;
if (pExaScr->do_migration) {
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPix;
pixmaps[0].pReg = DamagePendingRegion(pExaPixmap->pDamage);
exaDoMigration(pixmaps, 1, TRUE);
}
pPix = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff);
if (!pPix)
return FALSE;
x += pDrawable->x;
y += pDrawable->y;
pClip = fbGetCompositeClip(pGC);
for (nbox = RegionNumRects(pClip),
pbox = RegionRects(pClip); nbox--; pbox++) {
int x1 = x;
int y1 = y;
int x2 = x + w;
int y2 = y + h;
char *src;
Bool ok;
if (x1 < pbox->x1)
x1 = pbox->x1;
if (y1 < pbox->y1)
y1 = pbox->y1;
if (x2 > pbox->x2)
x2 = pbox->x2;
if (y2 > pbox->y2)
y2 = pbox->y2;
if (x1 >= x2 || y1 >= y2)
continue;
src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);
ok = pExaScr->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff,
x2 - x1, y2 - y1, src, src_stride);
/* We have to fall back completely, and ignore what has already been completed.
* Messing with the fb layer directly like we used to is completely unacceptable.
*/
if (!ok) {
ret = FALSE;
break;
}
}
if (ret)
exaMarkSync(pDrawable->pScreen);
return ret;
}
/* Try to do an accelerated tile of the pTile into pRegion of pDrawable.
* Based on fbFillRegionTiled(), fbTile().
*/
Bool
exaFillRegionTiled(DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,
DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu,
Bool hasClientClip)
{
ExaScreenPriv(pDrawable->pScreen);
PixmapPtr pPixmap;
ExaPixmapPrivPtr pExaPixmap;
ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile);
int xoff, yoff;
int tileWidth, tileHeight;
int nbox = RegionNumRects(pRegion);
BoxPtr pBox = RegionRects(pRegion);
Bool ret = FALSE;
int i;
tileWidth = pTile->drawable.width;
tileHeight = pTile->drawable.height;
/* If we're filling with a solid color, grab it out and go to
* FillRegionSolid, saving numerous copies.
*/
if (tileWidth == 1 && tileHeight == 1)
return exaFillRegionSolid(pDrawable, pRegion,
exaGetPixmapFirstPixel(pTile), planemask,
alu, hasClientClip);
pPixmap = exaGetDrawablePixmap(pDrawable);
pExaPixmap = ExaGetPixmapPriv(pPixmap);
if (pExaScr->fallback_counter || pExaPixmap->accel_blocked ||
pTileExaPixmap->accel_blocked)
return FALSE;
if (pExaScr->do_migration) {
ExaMigrationRec pixmaps[2];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap;
pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillTiled,
alu,
hasClientClip) ? NULL : pRegion;
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = pTile;
pixmaps[1].pReg = NULL;
exaDoMigration(pixmaps, 2, TRUE);
}
pPixmap = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff);
if (!pPixmap || !exaPixmapHasGpuCopy(pTile))
return FALSE;
if ((*pExaScr->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask)) {
if (xoff || yoff)
RegionTranslate(pRegion, xoff, yoff);
for (i = 0; i < nbox; i++) {
int height = pBox[i].y2 - pBox[i].y1;
int dstY = pBox[i].y1;
int tileY;
if (alu == GXcopy)
height = min(height, tileHeight);
modulus(dstY - yoff - pDrawable->y - pPatOrg->y, tileHeight, tileY);
while (height > 0) {
int width = pBox[i].x2 - pBox[i].x1;
int dstX = pBox[i].x1;
int tileX;
int h = tileHeight - tileY;
if (alu == GXcopy)
width = min(width, tileWidth);
if (h > height)
h = height;
height -= h;
modulus(dstX - xoff - pDrawable->x - pPatOrg->x, tileWidth,
tileX);
while (width > 0) {
int w = tileWidth - tileX;
if (w > width)
w = width;
width -= w;
(*pExaScr->info->Copy) (pPixmap, tileX, tileY, dstX, dstY,
w, h);
dstX += w;
tileX = 0;
}
dstY += h;
tileY = 0;
}
}
(*pExaScr->info->DoneCopy) (pPixmap);
/* With GXcopy, we only need to do the basic algorithm up to the tile
* size; then, we can just keep doubling the destination in each
* direction until it fills the box. This way, the number of copy
* operations is O(log(rx)) + O(log(ry)) instead of O(rx * ry), where
* rx/ry is the ratio between box and tile width/height. This can make
* a big difference if each driver copy incurs a significant constant
* overhead.
*/
if (alu != GXcopy)
ret = TRUE;
else {
Bool more_copy = FALSE;
for (i = 0; i < nbox; i++) {
int dstX = pBox[i].x1 + tileWidth;
int dstY = pBox[i].y1 + tileHeight;
if ((dstX < pBox[i].x2) || (dstY < pBox[i].y2)) {
more_copy = TRUE;
break;
}
}
if (more_copy == FALSE)
ret = TRUE;
if (more_copy && (*pExaScr->info->PrepareCopy) (pPixmap, pPixmap,
1, 1, alu,
planemask)) {
for (i = 0; i < nbox; i++) {
int dstX = pBox[i].x1 + tileWidth;
int dstY = pBox[i].y1 + tileHeight;
int width = min(pBox[i].x2 - dstX, tileWidth);
int height = min(pBox[i].y2 - pBox[i].y1, tileHeight);
while (dstX < pBox[i].x2) {
(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,
dstX, pBox[i].y1, width,
height);
dstX += width;
width = min(pBox[i].x2 - dstX, width * 2);
}
width = pBox[i].x2 - pBox[i].x1;
height = min(pBox[i].y2 - dstY, tileHeight);
while (dstY < pBox[i].y2) {
(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,
pBox[i].x1, dstY, width,
height);
dstY += height;
height = min(pBox[i].y2 - dstY, height * 2);
}
}
(*pExaScr->info->DoneCopy) (pPixmap);
ret = TRUE;
}
}
exaMarkSync(pDrawable->pScreen);
if (xoff || yoff)
RegionTranslate(pRegion, -xoff, -yoff);
}
return ret;
}
/**
* Accelerates GetImage for solid ZPixmap downloads from framebuffer memory.
*
* This is probably the only case we actually care about. The rest fall through
* to migration and fbGetImage, which hopefully will result in migration pushing
* the pixmap out of framebuffer.
*/
void
exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,
unsigned int format, unsigned long planeMask, char *d)
{
ExaScreenPriv (pDrawable->pScreen);
PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
int xoff, yoff;
Bool ok;
if (pExaScr->fallback_counter || pExaScr->swappedOut)
goto fallback;
exaGetDrawableDeltas (pDrawable, pPix, &xoff, &yoff);
if (pExaScr->do_migration) {
BoxRec Box;
RegionRec Reg;
ExaMigrationRec pixmaps[1];
Box.x1 = pDrawable->y + x + xoff;
Box.y1 = pDrawable->y + y + yoff;
Box.x2 = Box.x1 + w;
Box.y2 = Box.y1 + h;
REGION_INIT(pScreen, &Reg, &Box, 1);
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = pPix;
pixmaps[0].pReg = &Reg;
exaDoMigration(pixmaps, 1, FALSE);
REGION_UNINIT(pScreen, &Reg);
}
pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
if (pPix == NULL || pExaScr->info->DownloadFromScreen == NULL)
goto fallback;
/* Only cover the ZPixmap, solid copy case. */
if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask))
goto fallback;
/* Only try to handle the 8bpp and up cases, since we don't want to think
* about <8bpp.
*/
if (pDrawable->bitsPerPixel < 8)
goto fallback;
ok = pExaScr->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff,
pDrawable->y + y + yoff, w, h, d,
PixmapBytePad(w, pDrawable->depth));
if (ok) {
exaWaitSync(pDrawable->pScreen);
return;
}
fallback:
ExaCheckGetImage(pDrawable, x, y, w, h, format, planeMask, d);
}