static Bool
can_exchange(DrawablePtr draw, PixmapPtr dst_pix, PixmapPtr src_pix)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
NVPtr pNv = NVPTR(scrn);
int i, active_crtc_count = 0;
if (!xf86_config->num_crtc)
return FALSE;
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];
if (drmmode_crtc_on(crtc)) {
if (crtc->rotatedData)
return FALSE;
active_crtc_count++;
}
}
return ((DRI2CanFlip(draw) && pNv->has_pageflip)) &&
dst_pix->drawable.width == src_pix->drawable.width &&
dst_pix->drawable.height == src_pix->drawable.height &&
dst_pix->drawable.bitsPerPixel == src_pix->drawable.bitsPerPixel &&
dst_pix->devKind == src_pix->devKind &&
active_crtc_count;
}
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 Bool
canflip(DrawablePtr pDraw)
{
ScreenPtr pScreen = pDraw->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
struct ARMSOCRec *pARMSOC = ARMSOCPTR(pScrn);
if (pARMSOC->NoFlip) {
/* flipping is disabled by user option */
return FALSE;
} else {
return (pDraw->type == DRAWABLE_WINDOW) &&
DRI2CanFlip(pDraw);
}
}
static Bool
can_exchange(DrawablePtr drawable, DRI2BufferPtr front, DRI2BufferPtr back)
{
PixmapPtr front_pix = vivante_dri2_get_pixmap(front);
PixmapPtr back_pix = vivante_dri2_get_pixmap(back);
if (!DRI2CanFlip(drawable))
return FALSE;
/* Front and back must be the same size and bpp */
if (front_pix->drawable.width != back_pix->drawable.width ||
front_pix->drawable.height != back_pix->drawable.height ||
front_pix->drawable.bitsPerPixel != back_pix->drawable.bitsPerPixel)
return FALSE;
return TRUE;
}
static Bool
canflip(DrawablePtr pDraw)
{
return (pDraw->type == DRAWABLE_WINDOW) &&
DRI2CanFlip(pDraw);
}
