static inline Bool
exchangebufs(DrawablePtr pDraw, DRI2BufferPtr a, DRI2BufferPtr b)
{
msm_pixmap_exchange(draw2pix(dri2draw(pDraw, a)),
draw2pix(dri2draw(pDraw, b)));
exchange(a->name, b->name);
return TRUE;
}
static inline Bool
exchangebufs(DrawablePtr pDraw, DRI2BufferPtr a, DRI2BufferPtr b)
{
PixmapPtr aPix = draw2pix(dri2draw(pDraw, a));
PixmapPtr bPix = draw2pix(dri2draw(pDraw, b));
ARMSOCPixmapExchange(aPix, bPix);
exchange(a->name, b->name);
return TRUE;
}
static inline Bool
canexchange(DrawablePtr pDraw, DRI2BufferPtr a, DRI2BufferPtr b)
{
DrawablePtr da = dri2draw(pDraw, a);
DrawablePtr db = dri2draw(pDraw, b);
return DRI2CanFlip(pDraw) &&
(da->width == db->width) &&
(da->height == db->height) &&
(da->depth == db->depth);
}
static void
MSMDRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
DRI2BufferPtr pDstBuffer, DRI2BufferPtr pSrcBuffer)
{
ScreenPtr pScreen = pDraw->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
DrawablePtr pSrcDraw = dri2draw(pDraw, pSrcBuffer);
DrawablePtr pDstDraw = dri2draw(pDraw, pDstBuffer);
RegionPtr pCopyClip;
GCPtr pGC;
DEBUG_MSG("pDraw=%p, pDstBuffer=%p (%p), pSrcBuffer=%p (%p)",
pDraw, pDstBuffer, pSrcDraw, pSrcBuffer, pDstDraw);
/* hack.. since we don't have proper fencing / kernel synchronization
* we can get in a scenario where we get many frames ahead of the gpu,
* with queued up cmd sequence like: render -> blit -> render -> blit ..
* This hack makes sure the previous blit has completed.
*/
{
MSMPtr pMsm = MSMPTR(pScrn);
MSMDRI2BufferPtr buf = MSMBUF(pDstBuffer);
pMsm->pExa->PrepareAccess(buf->pPixmap, 0);
pMsm->pExa->FinishAccess(buf->pPixmap, 0);
}
pGC = GetScratchGC(pDstDraw->depth, pScreen);
if (!pGC) {
return;
}
pCopyClip = REGION_CREATE(pScreen, NULL, 0);
RegionCopy(pCopyClip, pRegion);
(*pGC->funcs->ChangeClip) (pGC, CT_REGION, pCopyClip, 0);
ValidateGC(pDstDraw, pGC);
/* If the dst is the framebuffer, and we had a way to
* schedule a deferred blit synchronized w/ vsync, that
* would be a nice thing to do utilize here to avoid
* tearing.. when we have sync object support for GEM
* buffers, I think we could do something more clever
* here.
*/
pGC->ops->CopyArea(pSrcDraw, pDstDraw, pGC,
0, 0, pDraw->width, pDraw->height, 0, 0);
FreeScratchGC(pGC);
MSMFlushAccel(pScreen);
}
static void
ARMSOCDRI2CopyRegion(DrawablePtr pDraw, RegionPtr pRegion,
DRI2BufferPtr pDstBuffer, DRI2BufferPtr pSrcBuffer)
{
ScreenPtr pScreen = pDraw->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
DrawablePtr pSrcDraw = dri2draw(pDraw, pSrcBuffer);
DrawablePtr pDstDraw = dri2draw(pDraw, pDstBuffer);
RegionPtr pCopyClip;
GCPtr pGC;
DEBUG_MSG("pDraw=%p, pDstBuffer=%p (%p), pSrcBuffer=%p (%p)",
pDraw, pDstBuffer, pSrcDraw, pSrcBuffer, pDstDraw);
pGC = GetScratchGC(pDstDraw->depth, pScreen);
if (!pGC)
return;
pCopyClip = REGION_CREATE(pScreen, NULL, 0);
RegionCopy(pCopyClip, pRegion);
(*pGC->funcs->ChangeClip) (pGC, CT_REGION, pCopyClip, 0);
ValidateGC(pDstDraw, pGC);
/* If the dst is the framebuffer, and we had a way to
* schedule a deferred blit synchronized w/ vsync, that
* would be a nice thing to do utilize here to avoid
* tearing.. when we have sync object support for GEM
* buffers, I think we could do something more clever
* here.
*/
pGC->ops->CopyArea(pSrcDraw, pDstDraw, pGC,
0, 0, pDraw->width, pDraw->height, 0, 0);
FreeScratchGC(pGC);
}
