Bool
NV10EXAPrepareComposite(int op,
PicturePtr pict_src,
PicturePtr pict_mask,
PicturePtr pict_dst,
PixmapPtr src,
PixmapPtr mask,
PixmapPtr dst)
{
ScrnInfoPtr pScrn = xf86Screens[dst->drawable.pScreen->myNum];
NVPtr pNv = NVPTR(pScrn);
struct nouveau_channel *chan = pNv->chan;
if (MARK_RING(chan, 128, 5))
return FALSE;
pNv->alu = op;
pNv->pspict = pict_src;
pNv->pmpict = pict_mask;
pNv->pdpict = pict_dst;
pNv->pspix = src;
pNv->pmpix = mask;
pNv->pdpix = dst;
/* Set dst format */
if (!setup_render_target(pNv, pict_dst, dst))
goto fail;
/* Set src format */
if (!setup_texture(pNv, 0, pict_src, src))
goto fail;
/* Set mask format */
if (mask &&
!setup_texture(pNv, 1, pict_mask, mask))
goto fail;
/* Set the register combiners up. */
setup_combiners(pNv, pict_src, pict_mask);
/* Set PictOp */
setup_blend_function(pNv);
chan->flush_notify = NV10StateCompositeReemit;
return TRUE;
fail:
MARK_UNDO(chan);
return FALSE;
}
Bool
NV10EXAPrepareComposite(int op,
PicturePtr pict_src,
PicturePtr pict_mask,
PicturePtr pict_dst,
PixmapPtr src,
PixmapPtr mask,
PixmapPtr dst)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(dst->drawable.pScreen);
NVPtr pNv = NVPTR(pScrn);
struct nouveau_pushbuf *push = pNv->pushbuf;
uint32_t sc, sa, mc, ma;
if (!PUSH_SPACE(push, 128))
return FALSE;
PUSH_RESET(push);
/* setup render target and blending */
if (!setup_render_target(pNv, pict_dst, dst))
return FALSE;
setup_blend_function(pNv, pict_dst, op);
/* select picture sources */
if (!setup_picture(pNv, pict_src, src, 0, &sc, &sa))
return FALSE;
if (!setup_picture(pNv, pict_mask, mask, 1, &mc, &ma))
return FALSE;
/* configure register combiners */
BEGIN_NV04(push, NV10_3D(RC_IN_ALPHA(0)), 1);
PUSH_DATA (push, sa | ma);
BEGIN_NV04(push, NV10_3D(RC_IN_RGB(0)), 1);
if (effective_component_alpha(pict_mask)) {
if (needs_src_alpha(op))
PUSH_DATA(push, sa | mc);
else
PUSH_DATA(push, sc | mc);
} else {
PUSH_DATA(push, sc | ma);
}
nouveau_pushbuf_bufctx(push, pNv->bufctx);
if (nouveau_pushbuf_validate(push)) {
nouveau_pushbuf_bufctx(push, NULL);
return FALSE;
}
pNv->pspict = pict_src;
pNv->pmpict = pict_mask;
return TRUE;
}
