--- /dev/null
+/*
+ * va_wayland_emgd.c - Wayland/EMGD helpers
+ *
+ * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "sysdeps.h"
+#include <unistd.h>
+#include <dlfcn.h>
+#include "va_drmcommon.h"
+#include "va_wayland_emgd.h"
+#include "va_wayland_private.h"
+
+/* XXX: Wayland/EMGD support currently lives in libwayland-emgd.so.* library */
+#define LIBWAYLAND_EMGD_NAME "libwayland-emgd.so.1"
+
+typedef struct va_wayland_emgd_context {
+ struct va_wayland_context base;
+ void *handle;
+ struct wl_emgd *emgd;
+ void *emgd_interface;
+ unsigned int is_created : 1;
+} VADisplayContextWaylandEMGD;
+
+static inline void
+wl_emgd_destroy(struct wl_emgd *emgd)
+{
+ wl_proxy_destroy((struct wl_proxy *)emgd);
+}
+
+static VAStatus
+va_DisplayContextGetDriverName(
+ VADisplayContextP pDisplayContext,
+ char **driver_name_ptr
+)
+{
+ *driver_name_ptr = strdup("emgd");
+ return VA_STATUS_SUCCESS;
+}
+
+void
+va_wayland_emgd_destroy(VADisplayContextP pDisplayContext)
+{
+ VADriverContextP const ctx = pDisplayContext->pDriverContext;
+ VADisplayContextWaylandEMGD * const wl_emgd_ctx = pDisplayContext->opaque;
+ struct drm_state * const drm_state = ctx->drm_state;
+
+ if (wl_emgd_ctx->emgd) {
+ wl_emgd_destroy(wl_emgd_ctx->emgd);
+ wl_emgd_ctx->emgd = NULL;
+ }
+ wl_emgd_ctx->is_created = 0;
+
+ if (wl_emgd_ctx->handle) {
+ dlclose(wl_emgd_ctx->handle);
+ wl_emgd_ctx->handle = NULL;
+ }
+
+ if (drm_state) {
+ if (drm_state->fd >= 0) {
+ close(drm_state->fd);
+ drm_state->fd = -1;
+ }
+ free(ctx->drm_state);
+ ctx->drm_state = NULL;
+ }
+}
+
+bool
+va_wayland_emgd_create(VADisplayContextP pDisplayContext)
+{
+ VADriverContextP const ctx = pDisplayContext->pDriverContext;
+ VADisplayContextWaylandEMGD *wl_emgd_ctx;
+ struct drm_state *drm_state;
+ uint32_t id;
+
+ wl_emgd_ctx = malloc(sizeof(*wl_emgd_ctx));
+ if (!wl_emgd_ctx)
+ return false;
+ wl_emgd_ctx->base.destroy = va_wayland_emgd_destroy;
+ wl_emgd_ctx->handle = NULL;
+ wl_emgd_ctx->emgd = NULL;
+ wl_emgd_ctx->emgd_interface = NULL;
+ wl_emgd_ctx->is_created = 0;
+ pDisplayContext->opaque = wl_emgd_ctx;
+ pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
+
+ drm_state = calloc(1, sizeof(struct drm_state));
+ if (!drm_state)
+ return false;
+ drm_state->fd = -1;
+ drm_state->auth_type = 0;
+ ctx->drm_state = drm_state;
+
+ id = wl_display_get_global(ctx->native_dpy, "wl_emgd", 1);
+ if (!id) {
+ wl_display_roundtrip(ctx->native_dpy);
+ id = wl_display_get_global(ctx->native_dpy, "wl_emgd", 1);
+ if (!id)
+ return false;
+ }
+
+ wl_emgd_ctx->handle = dlopen(LIBWAYLAND_EMGD_NAME, RTLD_LAZY|RTLD_LOCAL);
+ if (!wl_emgd_ctx->handle)
+ return false;
+
+ wl_emgd_ctx->emgd_interface =
+ dlsym(wl_emgd_ctx->handle, "wl_emgd_interface");
+ if (!wl_emgd_ctx->emgd_interface)
+ return false;
+
+ wl_emgd_ctx->emgd =
+ wl_display_bind(ctx->native_dpy, id, wl_emgd_ctx->emgd_interface);
+ if (!wl_emgd_ctx->emgd)
+ return false;
+ return true;
+}
--- /dev/null
+/*
+ * va_wayland_emgd.h - Wayland/EMGD helpers
+ *
+ * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VA_WAYLAND_EMGD_H
+#define VA_WAYLAND_EMGD_H
+
+#include <stdbool.h>
+#include "va_wayland.h"
+#include "va_backend.h"
+#include "va_backend_wayland.h"
+
+/**
+ * \brief Initializes Wayland/EMGD layer.
+ *
+ * This is an internal function used to initialize the VA/EMGD subsystem
+ * if the application is running on an EMGD-based server.
+ *
+ * @param[in] pDisplayContext the VA display context
+ * @return true if successful
+ */
+DLL_HIDDEN
+bool
+va_wayland_emgd_create(VADisplayContextP pDisplayContext);
+
+DLL_HIDDEN
+void
+va_wayland_emgd_destroy(VADisplayContextP pDisplayContext);
+
+#endif /* VA_WAYLAND_EMGD_H */
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