1 files changed, 64 insertions, 0 deletions
diff --git a/src/proxy/proxy_context.h b/src/proxy/proxy_context.h
new file mode 100644
index 00000000..ce29ecae
--- /dev/null
+++ b/src/proxy/proxy_context.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef PROXY_CONTEXT_H
+#define PROXY_CONTEXT_H
+
+#include "proxy_common.h"
+
+#include "c11/threads.h"
+#include "virgl_context.h"
+
+/* matches virtio-gpu */
+#define PROXY_CONTEXT_TIMELINE_COUNT 64
+
+static_assert(ATOMIC_INT_LOCK_FREE == 2, "proxy renderer requires lock-free atomic_uint");
+
+struct proxy_timeline {
+   uint32_t cur_seqno;
+   uint32_t next_seqno;
+   struct list_head fences;
+
+   int cur_seqno_stall_count;
+};
+
+struct proxy_context {
+   struct virgl_context base;
+
+   struct proxy_client *client;
+   struct proxy_socket socket;
+
+   /* this tracks resources early attached in get_blob */
+   struct hash_table *resource_table;
+
+   /* this is shared with the render worker */
+   struct {
+      int fd;
+      size_t size;
+      void *ptr;
+   } shmem;
+
+   mtx_t timeline_mutex;
+   struct proxy_timeline timelines[PROXY_CONTEXT_TIMELINE_COUNT];
+   /* which timelines have fences */
+   uint64_t timeline_busy_mask;
+   /* this points a region of shmem updated by the render worker */
+   const volatile atomic_uint *timeline_seqnos;
+
+   mtx_t free_fences_mutex;
+   struct list_head free_fences;
+
+   struct {
+      /* when VIRGL_RENDERER_THREAD_SYNC is set */
+      int fence_eventfd;
+
+      /* when VIRGL_RENDERER_ASYNC_FENCE_CB is also set */
+      thrd_t thread;
+      bool created;
+      bool stop;
+   } sync_thread;
+};
+
+#endif /* PROXY_CONTEXT_H */