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https://gitlab.freedesktop.org/xorg/xserver.git
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613dcb6a77
Adds the required infrastructure in the core DRI3 code to support importing DRM synchronization objects from clients. This includes support for the two new protocol requests from DRI3 version 1.4, an internal representation of these objects in the form of the dri3_syncobj structure, and an import_syncobj screen info callback. The following operations are defined for dri3_syncobj objects * free - release any server-side resources associated with the object * has_fence - check if the fence for a timeline point is submitted * is_signaled - check if a timeline point is signaled * export_fence - return a sync fd corresponding to a timeline point * import_fence - submit a sync fd as the fence for a timeline point * signal - immediately signal a timeline point * submitted_eventfd and signaled_eventfd - register an eventfd to be signaled when the given timeline point is either submitted or signaled Implementations will be responsible for populating these function pointers when importing a syncobj. Signed-off-by: Erik Kurzinger <ekurzinger@nvidia.com> Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/967>
131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
/*
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* Copyright © 2013 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "dri3_priv.h"
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#include <drm_fourcc.h>
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static int dri3_request;
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DevPrivateKeyRec dri3_screen_private_key;
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static int dri3_screen_generation;
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static Bool
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dri3_close_screen(ScreenPtr screen)
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{
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dri3_screen_priv_ptr screen_priv = dri3_screen_priv(screen);
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unwrap(screen_priv, screen, CloseScreen);
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free(screen_priv);
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return (*screen->CloseScreen) (screen);
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}
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Bool
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dri3_screen_init(ScreenPtr screen, const dri3_screen_info_rec *info)
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{
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dri3_screen_generation = serverGeneration;
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if (!dixRegisterPrivateKey(&dri3_screen_private_key, PRIVATE_SCREEN, 0))
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return FALSE;
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if (!dri3_screen_priv(screen)) {
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dri3_screen_priv_ptr screen_priv = calloc(1, sizeof (dri3_screen_priv_rec));
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if (!screen_priv)
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return FALSE;
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wrap(screen_priv, screen, CloseScreen, dri3_close_screen);
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screen_priv->info = info;
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dixSetPrivate(&screen->devPrivates, &dri3_screen_private_key, screen_priv);
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}
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return TRUE;
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}
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RESTYPE dri3_syncobj_type;
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static int dri3_syncobj_free(void *data, XID id)
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{
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struct dri3_syncobj *syncobj = data;
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if (--syncobj->refcount == 0)
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syncobj->free(syncobj);
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return 0;
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}
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void
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dri3_extension_init(void)
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{
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ExtensionEntry *extension;
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int i;
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/* If no screens support DRI3, there's no point offering the
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* extension at all
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*/
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if (dri3_screen_generation != serverGeneration)
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return;
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#ifdef PANORAMIX
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if (!noPanoramiXExtension)
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return;
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#endif
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extension = AddExtension(DRI3_NAME, DRI3NumberEvents, DRI3NumberErrors,
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proc_dri3_dispatch, sproc_dri3_dispatch,
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NULL, StandardMinorOpcode);
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if (!extension)
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goto bail;
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dri3_request = extension->base;
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for (i = 0; i < screenInfo.numScreens; i++) {
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if (!dri3_screen_init(screenInfo.screens[i], NULL))
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goto bail;
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}
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dri3_syncobj_type = CreateNewResourceType(dri3_syncobj_free, "DRI3Syncobj");
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if (!dri3_syncobj_type)
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goto bail;
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return;
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bail:
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FatalError("Cannot initialize DRI3 extension");
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}
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uint32_t
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drm_format_for_depth(uint32_t depth, uint32_t bpp)
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{
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switch (bpp) {
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case 16:
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return DRM_FORMAT_RGB565;
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case 24:
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return DRM_FORMAT_XRGB8888;
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case 30:
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return DRM_FORMAT_XRGB2101010;
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case 32:
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return DRM_FORMAT_ARGB8888;
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default:
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return 0;
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}
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}
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