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* va_wayland_emgd.c - Wayland/EMGD helpers
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* Copyright (c) 2012 Intel Corporation. All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "va_drmcommon.h"
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#include "va_wayland_emgd.h"
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#include "va_wayland_private.h"
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/* XXX: Wayland/EMGD support currently lives in libwayland-emgd.so.* library */
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#define LIBWAYLAND_EMGD_NAME "libwayland-emgd.so.1"
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typedef struct va_wayland_emgd_context {
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struct va_wayland_context base;
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unsigned int is_created : 1;
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struct wl_registry *registry;
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} VADisplayContextWaylandEMGD;
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wl_emgd_destroy(struct wl_emgd *emgd)
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wl_proxy_destroy((struct wl_proxy *)emgd);
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va_DisplayContextGetDriverName(
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VADisplayContextP pDisplayContext,
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char **driver_name_ptr
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*driver_name_ptr = strdup("emgd");
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return VA_STATUS_SUCCESS;
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va_wayland_emgd_destroy(VADisplayContextP pDisplayContext)
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VADriverContextP const ctx = pDisplayContext->pDriverContext;
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VADisplayContextWaylandEMGD * const wl_emgd_ctx = pDisplayContext->opaque;
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struct drm_state * const drm_state = ctx->drm_state;
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if (wl_emgd_ctx->emgd) {
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wl_emgd_destroy(wl_emgd_ctx->emgd);
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wl_emgd_ctx->emgd = NULL;
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wl_emgd_ctx->is_created = 0;
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if (wl_emgd_ctx->handle) {
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dlclose(wl_emgd_ctx->handle);
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wl_emgd_ctx->handle = NULL;
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if (drm_state->fd >= 0) {
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ctx->drm_state = NULL;
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registry_handle_global(
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struct wl_registry *registry,
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const char *interface,
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VADisplayContextWaylandEMGD *wl_emgd_ctx = data;
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if (strcmp(interface, "wl_emgd") == 0) {
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wl_registry_bind(registry, id, wl_emgd_ctx->emgd_interface, 1);
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static const struct wl_registry_listener registry_listener = {
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registry_handle_global,
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va_wayland_emgd_create(VADisplayContextP pDisplayContext)
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VADriverContextP const ctx = pDisplayContext->pDriverContext;
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VADisplayContextWaylandEMGD *wl_emgd_ctx;
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struct drm_state *drm_state;
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wl_emgd_ctx = malloc(sizeof(*wl_emgd_ctx));
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wl_emgd_ctx->base.destroy = va_wayland_emgd_destroy;
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wl_emgd_ctx->handle = NULL;
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wl_emgd_ctx->emgd = NULL;
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wl_emgd_ctx->emgd_interface = NULL;
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wl_emgd_ctx->is_created = 0;
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pDisplayContext->opaque = wl_emgd_ctx;
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pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
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drm_state = calloc(1, sizeof(struct drm_state));
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drm_state->auth_type = 0;
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ctx->drm_state = drm_state;
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wl_emgd_ctx->handle = dlopen(LIBWAYLAND_EMGD_NAME, RTLD_LAZY|RTLD_LOCAL);
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if (!wl_emgd_ctx->handle)
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wl_emgd_ctx->emgd_interface =
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dlsym(wl_emgd_ctx->handle, "wl_emgd_interface");
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if (!wl_emgd_ctx->emgd_interface)
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wl_emgd_ctx->registry = wl_display_get_registry(ctx->native_dpy);
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wl_registry_add_listener(wl_emgd_ctx->registry, ®istry_listener, wl_emgd_ctx);
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wl_display_roundtrip(ctx->native_dpy);
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/* registry_handle_global should have been called by the
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* wl_display_roundtrip above
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if (!wl_emgd_ctx->emgd)