C++ (Cpp) glamor_fd_from_pixmap Examples

Example #1

File: nouveau_present.c Project: freedesktop-unofficial-mirror/nouveau__xf86-video-nouveau

static Bool
nouveau_present_flip_exec(ScrnInfoPtr scrn, uint64_t event_id, int sync,
			  uint64_t target_msc, PixmapPtr pixmap, Bool vsync)
{
	ScreenPtr screen = scrn->pScreen;
	struct nouveau_pixmap *priv = NULL;
	NVPtr pNv = NVPTR(scrn);
	uint32_t next_fb;
	CARD16 stride;
	CARD32 size;
	void *token;
	int ret;

#ifdef HAVE_GLAMOR
	if (pNv->AccelMethod == GLAMOR &&
	    !(priv = nouveau_glamor_pixmap_get(pixmap))) {
		int fd = glamor_fd_from_pixmap(screen, pixmap, &stride, &size);
		if (fd < 0)
			return FALSE;

		priv = calloc(1, sizeof(*priv));
		if (!priv)
			return FALSE;

		ret = nouveau_bo_prime_handle_ref(pNv->dev, fd, &priv->bo);
		if (ret) {
			free(priv);
			return FALSE;
		}

		nouveau_glamor_pixmap_set(pixmap, priv);
	} else
#endif
	if (!priv)
		priv = nouveau_pixmap(pixmap);

	ret = drmModeAddFB(pNv->dev->fd, pixmap->drawable.width,
			   pixmap->drawable.height, pixmap->drawable.depth,
			   pixmap->drawable.bitsPerPixel, pixmap->devKind,
			   priv->bo->handle, &next_fb);
	if (ret == 0) {
		struct nouveau_present_flip *flip =
			drmmode_event_queue(scrn, event_id, sizeof(*flip),
					    nouveau_present_flip, &token);
		if (flip) {
			xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
			int last = 0, i;

			drmmode_swap(scrn, next_fb, &flip->old);
			flip->fd = pNv->dev->fd;
			flip->msc = target_msc;

			for (i = 0; i < config->num_crtc; i++) {
				if (config->crtc[i]->enabled)
					last = i;
			}

			for (i = 0; i < config->num_crtc; i++) {
				int type = vsync ? 0 : DRM_MODE_PAGE_FLIP_ASYNC;
				int crtc = drmmode_crtc(config->crtc[i]);
				void *user = NULL;

				if (!config->crtc[i]->enabled)
					continue;

				if (token && ((crtc == sync) || (i == last))) {
					type |= DRM_MODE_PAGE_FLIP_EVENT;
					user  = token;
				}

				ret = drmModePageFlip(pNv->dev->fd, crtc,
						      next_fb, type, user);
				if (ret == 0 && user) {
					token = NULL;
				}
			}

			if (token == NULL) {
				return TRUE;
			}

			drmmode_swap(scrn, flip->old, &next_fb);
			drmmode_event_abort(scrn, event_id, false);
		}

		drmModeRmFB(pNv->dev->fd, next_fb);
	}

	return FALSE;
}

Example #2

File: radeon_bo_helper.c Project: openbsd-unofficial/openbsd-xenocara

/* Get GEM handle for the pixmap */
Bool radeon_get_pixmap_handle(PixmapPtr pixmap, uint32_t *handle)
{
    struct radeon_bo *bo = radeon_get_pixmap_bo(pixmap);
#ifdef USE_GLAMOR
    ScreenPtr screen = pixmap->drawable.pScreen;
    RADEONInfoPtr info = RADEONPTR(xf86ScreenToScrn(screen));
#endif

    if (bo) {
	*handle = bo->handle;
	return TRUE;
    }

#ifdef USE_GLAMOR
    if (info->use_glamor) {
	struct radeon_pixmap *priv = radeon_get_pixmap_private(pixmap);
	CARD16 stride;
	CARD32 size;
	int fd, r;

	if (!priv) {
	    priv = calloc(1, sizeof(*priv));
	    radeon_set_pixmap_private(pixmap, priv);
	}

	if (priv->handle_valid) {
	    *handle = priv->handle;
	    return TRUE;
	}

	fd = glamor_fd_from_pixmap(screen, pixmap, &stride, &size);
	if (fd < 0)
	    return FALSE;

	r = drmPrimeFDToHandle(info->dri2.drm_fd, fd, &priv->handle);
	close(fd);
	if (r == 0) {
	    struct drm_radeon_gem_set_tiling args = { .handle = priv->handle };

	    priv->handle_valid = TRUE;
	    *handle = priv->handle;

	    if (drmCommandWriteRead(info->dri2.drm_fd,
				    DRM_RADEON_GEM_GET_TILING, &args,
				    sizeof(args)) == 0)
		priv->tiling_flags = args.tiling_flags;

	    return TRUE;
	}
    }
#endif

    return FALSE;
}

uint32_t radeon_get_pixmap_tiling_flags(PixmapPtr pPix)
{
#ifdef USE_GLAMOR
    RADEONInfoPtr info = RADEONPTR(xf86ScreenToScrn(pPix->drawable.pScreen));

    if (info->use_glamor) {
	struct radeon_pixmap *priv = radeon_get_pixmap_private(pPix);

	if (!priv || (!priv->bo && !priv->handle_valid)) {
	    uint32_t handle;

	    radeon_get_pixmap_handle(pPix, &handle);
	    priv = radeon_get_pixmap_private(pPix);
	}

	return priv ? priv->tiling_flags : 0;
    } else
#endif
    {
	struct radeon_exa_pixmap_priv *driver_priv;
	driver_priv = exaGetPixmapDriverPrivate(pPix);
	return driver_priv ? driver_priv->tiling_flags : 0;
    }
}