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/****************************************************************************
* Copyright (C) 2015 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL 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 SWR_FENCE_H
#define SWR_FENCE_H
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "swr_fence_work.h"
struct pipe_screen;
struct swr_fence {
struct pipe_reference reference;
uint64_t read;
uint64_t write;
unsigned pending;
unsigned id; /* Just for reference */
struct {
uint32_t count;
struct swr_fence_work head;
struct swr_fence_work *tail;
} work;
};
static inline struct swr_fence *
swr_fence(struct pipe_fence_handle *fence)
{
return (struct swr_fence *)fence;
}
static INLINE boolean
swr_is_fence_done(struct pipe_fence_handle *fence_handle)
{
struct swr_fence *fence = swr_fence(fence_handle);
return (fence->read == fence->write);
}
static INLINE boolean
swr_is_fence_pending(struct pipe_fence_handle *fence_handle)
{
return swr_fence(fence_handle)->pending;
}
void swr_fence_init(struct pipe_screen *screen);
struct pipe_fence_handle *swr_fence_create();
void swr_fence_reference(struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *f);
boolean swr_fence_finish(struct pipe_screen *screen,
struct pipe_context *ctx,
struct pipe_fence_handle *fence_handle,
uint64_t timeout);
void
swr_fence_submit(struct swr_context *ctx, struct pipe_fence_handle *fence);
uint64_t swr_get_timestamp(struct pipe_screen *screen);
#endif
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