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71 lines
1.5 KiB
71 lines
1.5 KiB
3 years ago
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/*
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: MIT
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*/
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#ifndef RENDER_VIRGL_H
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#define RENDER_VIRGL_H
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#include "render_common.h"
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#ifdef ENABLE_RENDER_SERVER_WORKER_THREAD
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#include "c11/threads.h"
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#endif
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/* Workers call into virglrenderer. When they are processes, not much care is
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* required. We just want to be careful that the server process might have
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* initialized viglrenderer before workers are forked.
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*
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* But when workers are threads, we need to grab a lock to protect
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* virglrenderer.
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*
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* TODO skip virglrenderer.h and go straight to vkr_renderer.h. That allows
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* us to remove this file.
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*/
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struct render_virgl {
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#ifdef ENABLE_RENDER_SERVER_WORKER_THREAD
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/* this protects the struct */
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mtx_t struct_mutex;
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/* this protects virglrenderer */
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mtx_t dispatch_mutex;
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#endif
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/* for nested initialization */
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int init_count;
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uint32_t init_flags;
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struct list_head contexts;
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};
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extern struct render_virgl render_virgl_internal;
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bool
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render_virgl_init(uint32_t init_flags);
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void
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render_virgl_fini(void);
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void
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render_virgl_add_context(struct render_context *ctx);
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void
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render_virgl_remove_context(struct render_context *ctx);
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static inline void
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render_virgl_lock_dispatch(void)
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{
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#ifdef ENABLE_RENDER_SERVER_WORKER_THREAD
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mtx_lock(&render_virgl_internal.dispatch_mutex);
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#endif
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}
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static inline void
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render_virgl_unlock_dispatch(void)
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{
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#ifdef ENABLE_RENDER_SERVER_WORKER_THREAD
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mtx_unlock(&render_virgl_internal.dispatch_mutex);
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#endif
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}
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#endif /* RENDER_VIRGL_H */
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