static void
nouveau_dri2_vblank_handler(void *priv, uint64_t name, uint64_t ust, uint32_t frame)
{
struct dri2_vblank *event = priv;
struct nouveau_dri2_vblank_state *s = event->s;
uint32_t tv_sec = ust / 1000000;
uint32_t tv_usec = ust % 1000000;
DrawablePtr draw;
int ret;
ret = dixLookupDrawable(&draw, s->draw, serverClient,
M_ANY, DixWriteAccess);
if (ret) {
free(s);
return;
}
switch (s->action) {
case SWAP:
nouveau_dri2_finish_swap(draw, frame, tv_sec, tv_usec, s);
#if DRI2INFOREC_VERSION >= 6
/* Restore real swap limit on drawable, now that it is safe. */
ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
DRI2SwapLimit(draw, NVPTR(scrn)->swap_limit);
#endif
break;
case WAIT:
DRI2WaitMSCComplete(s->client, draw, frame, tv_sec, tv_usec);
free(s);
break;
case BLIT:
DRI2SwapComplete(s->client, draw, frame, tv_sec, tv_usec,
DRI2_BLIT_COMPLETE, s->func, s->data);
free(s);
break;
}
}
static Bool create_buffer(DrawablePtr pDraw, struct ARMSOCDRI2BufferRec *buf)
{
ScreenPtr pScreen = pDraw->pScreen;
ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
struct ARMSOCRec *pARMSOC = ARMSOCPTR(pScrn);
DRI2BufferPtr buffer = DRIBUF(buf);
PixmapPtr pPixmap = NULL;
struct armsoc_bo *bo;
int ret;
if (buffer->attachment == DRI2BufferFrontLeft) {
pPixmap = draw2pix(pDraw);
pPixmap->refcnt++;
} else {
pPixmap = createpix(pDraw);
}
if (!pPixmap) {
assert(buffer->attachment != DRI2BufferFrontLeft);
ERROR_MSG("Failed to create back buffer for window");
goto fail;
}
if (buffer->attachment == DRI2BufferBackLeft && pARMSOC->driNumBufs > 2) {
buf->pPixmaps = calloc(pARMSOC->driNumBufs-1,
sizeof(PixmapPtr));
buf->numPixmaps = pARMSOC->driNumBufs-1;
} else {
buf->pPixmaps = malloc(sizeof(PixmapPtr));
buf->numPixmaps = 1;
}
if (!buf->pPixmaps) {
ERROR_MSG("Failed to allocate PixmapPtr array for DRI2Buffer");
goto fail;
}
buf->pPixmaps[0] = pPixmap;
assert(buf->currentPixmap == 0);
bo = ARMSOCPixmapBo(pPixmap);
if (!bo) {
ERROR_MSG(
"Attempting to DRI2 wrap a pixmap with no DRM buffer object backing");
goto fail;
}
DRIBUF(buf)->pitch = exaGetPixmapPitch(pPixmap);
DRIBUF(buf)->cpp = pPixmap->drawable.bitsPerPixel / 8;
DRIBUF(buf)->flags = 0;
buf->refcnt = 1;
buf->previous_canflip = canflip(pDraw);
ret = armsoc_bo_get_name(bo, &DRIBUF(buf)->name);
if (ret) {
ERROR_MSG("could not get buffer name: %d", ret);
goto fail;
}
if (canflip(pDraw) && buffer->attachment != DRI2BufferFrontLeft) {
/* Create an fb around this buffer. This will fail and we will
* fall back to blitting if the display controller hardware
* cannot scan out this buffer (for example, if it doesn't
* support the format or there was insufficient scanout memory
* at buffer creation time). */
int ret = armsoc_bo_add_fb(bo);
if (ret) {
WARNING_MSG(
"Falling back to blitting a flippable window");
}
#if DRI2INFOREC_VERSION >= 6
else if (FALSE == DRI2SwapLimit(pDraw, pARMSOC->swap_chain_size)) {
WARNING_MSG(
"Failed to set DRI2SwapLimit(%x,%d)",
(unsigned int)pDraw, pARMSOC->swap_chain_size);
}
#endif /* DRI2INFOREC_VERSION >= 6 */
}
DRI2_BUFFER_SET_FB(DRIBUF(buf)->flags, armsoc_bo_get_fb(bo) > 0 ? 1 : 0);
DRI2_BUFFER_SET_REUSED(DRIBUF(buf)->flags, 0);
/* Register Pixmap as having a buffer that can be accessed externally,
* so needs synchronised access */
ARMSOCRegisterExternalAccess(pPixmap);
return TRUE;
fail:
if (pPixmap != NULL) {
if (buffer->attachment != DRI2BufferFrontLeft)
pScreen->DestroyPixmap(pPixmap);
else
pPixmap->refcnt--;
}
return FALSE;
}
DRI2BufferPtr
nouveau_dri2_create_buffer2(ScreenPtr pScreen, DrawablePtr pDraw, unsigned int attachment,
unsigned int format)
{
NVPtr pNv = NVPTR(xf86ScreenToScrn(pScreen));
struct nouveau_dri2_buffer *nvbuf;
struct nouveau_pixmap *nvpix;
PixmapPtr ppix = NULL;
nvbuf = calloc(1, sizeof(*nvbuf));
if (!nvbuf)
return NULL;
if (attachment == DRI2BufferFrontLeft) {
ppix = get_drawable_pixmap(pDraw);
if (pScreen != ppix->drawable.pScreen)
ppix = NULL;
if (pDraw->type == DRAWABLE_WINDOW) {
#if DRI2INFOREC_VERSION >= 6
/* Set initial swap limit on drawable. */
DRI2SwapLimit(pDraw, pNv->swap_limit);
#endif
}
if (ppix)
ppix->refcnt++;
} else {
int bpp;
unsigned int usage_hint = NOUVEAU_CREATE_PIXMAP_TILED;
/* 'format' is just depth (or 0, or maybe it depends on the caller) */
bpp = round_up_pow2(format ? format : pDraw->depth);
if (attachment == DRI2BufferDepth ||
attachment == DRI2BufferDepthStencil)
usage_hint |= NOUVEAU_CREATE_PIXMAP_ZETA;
else
usage_hint |= NOUVEAU_CREATE_PIXMAP_SCANOUT;
ppix = pScreen->CreatePixmap(pScreen, pDraw->width,
pDraw->height, bpp,
usage_hint);
}
if (ppix) {
pNv->exa_force_cp = TRUE;
exaMoveInPixmap(ppix);
pNv->exa_force_cp = FALSE;
nvbuf->base.pitch = ppix->devKind;
nvbuf->base.cpp = ppix->drawable.bitsPerPixel / 8;
}
nvbuf->base.attachment = attachment;
nvbuf->base.driverPrivate = nvbuf;
nvbuf->base.format = format;
nvbuf->base.flags = 0;
nvbuf->ppix = ppix;
if (ppix) {
nvpix = nouveau_pixmap(ppix);
if (!nvpix || !nvpix->bo ||
nouveau_bo_name_get(nvpix->bo, &nvbuf->base.name)) {
pScreen->DestroyPixmap(nvbuf->ppix);
free(nvbuf);
return NULL;
}
}
return &nvbuf->base;
}
