sync with OpenBSD -current

2024-07-20 20:41:33 +00:00 · 2024-07-20 20:41:33 +00:00 · 2c72e27ed2
commit 2c72e27ed2
parent b5b25afdb8
147 changed files with 41128 additions and 10 deletions
--- a/lib/libva/va/drm/va_drm.c
+++ b/lib/libva/va/drm/va_drm.c
@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
+ * Copyright (c) 2023 Emil Velikov
+ *
+ * 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 PRECISION INSIGHT 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 <xf86drm.h>
+#include "va_drm.h"
+#include "va_backend.h"
+#include "va_internal.h"
+#include "va_drmcommon.h"
+#include "va_drm_auth.h"
+#include "va_drm_utils.h"
+
+static void
+va_DisplayContextDestroy(VADisplayContextP pDisplayContext)
+{
+    if (!pDisplayContext)
+        return;
+
+    free(pDisplayContext->pDriverContext->drm_state);
+    free(pDisplayContext->pDriverContext);
+    free(pDisplayContext);
+}
+
+
+static VAStatus va_DisplayContextConnect(
+    VADisplayContextP pDisplayContext
+)
+{
+    VADriverContextP const ctx = pDisplayContext->pDriverContext;
+    struct drm_state * const drm_state = ctx->drm_state;
+    drm_magic_t magic;
+    int ret;
+
+    /* Authentication is only needed for a legacy DRM device */
+    if (ctx->display_type != VA_DISPLAY_DRM_RENDERNODES) {
+        ret = drmGetMagic(drm_state->fd, &magic);
+        if (ret < 0)
+            return VA_STATUS_ERROR_OPERATION_FAILED;
+
+        if (!va_drm_authenticate(drm_state->fd, magic))
+            return VA_STATUS_ERROR_OPERATION_FAILED;
+    }
+
+    drm_state->auth_type = VA_DRM_AUTH_CUSTOM;
+    return VA_STATUS_SUCCESS;
+}
+
+
+static VAStatus
+va_DisplayContextGetDriverNames(
+    VADisplayContextP pDisplayContext,
+    char            **drivers,
+    unsigned         *num_drivers
+)
+{
+    VADriverContextP const ctx = pDisplayContext->pDriverContext;
+    VAStatus status = va_DisplayContextConnect(pDisplayContext);
+    if (status != VA_STATUS_SUCCESS)
+        return status;
+
+    return VA_DRM_GetDriverNames(ctx, drivers, num_drivers);
+}
+
+VADisplay
+vaGetDisplayDRM(int fd)
+{
+    VADisplayContextP pDisplayContext = NULL;
+    VADriverContextP  pDriverContext  = NULL;
+    struct drm_state *drm_state       = NULL;
+    int node_type;
+
+    if (fd < 0 || (node_type = drmGetNodeTypeFromFd(fd)) < 0)
+        return NULL;
+
+    /* Create new entry */
+    /* XXX: handle cache? */
+    drm_state = calloc(1, sizeof(*drm_state));
+    if (!drm_state)
+        goto error;
+    drm_state->fd = fd;
+
+    pDisplayContext = va_newDisplayContext();
+    if (!pDisplayContext)
+        goto error;
+
+    pDisplayContext->vaDestroy       = va_DisplayContextDestroy;
+    pDisplayContext->vaGetDriverNames = va_DisplayContextGetDriverNames;
+
+    pDriverContext = va_newDriverContext(pDisplayContext);
+    if (!pDriverContext)
+        goto error;
+
+    pDriverContext->native_dpy   = NULL;
+    pDriverContext->display_type = node_type == DRM_NODE_RENDER ?
+                                   VA_DISPLAY_DRM_RENDERNODES : VA_DISPLAY_DRM;
+    pDriverContext->drm_state    = drm_state;
+
+    return pDisplayContext;
+
+error:
+    free(pDisplayContext);
+    free(pDriverContext);
+    free(drm_state);
+    return NULL;
+}