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/*
* Copyright (c) 2012-2015 Etnaviv Project
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Wladimir J. van der Laan <laanwj@gmail.com>
* Rob Clark <robclark@freedesktop.org>
*/
#include "etnaviv_fence.h"
#include "etnaviv_context.h"
#include "etnaviv_screen.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
struct pipe_fence_handle {
struct pipe_reference reference;
struct etna_context *ctx;
struct etna_screen *screen;
uint32_t timestamp;
};
static void
etna_screen_fence_reference(struct pipe_screen *pscreen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
if (pipe_reference(&(*ptr)->reference, &fence->reference))
FREE(*ptr);
*ptr = fence;
}
static boolean
etna_screen_fence_finish(struct pipe_screen *pscreen, struct pipe_context *ctx,
struct pipe_fence_handle *fence, uint64_t timeout)
{
if (etna_pipe_wait_ns(fence->screen->pipe, fence->timestamp, timeout))
return false;
return true;
}
struct pipe_fence_handle *
etna_fence_create(struct pipe_context *pctx)
{
struct pipe_fence_handle *fence;
struct etna_context *ctx = etna_context(pctx);
fence = CALLOC_STRUCT(pipe_fence_handle);
if (!fence)
return NULL;
pipe_reference_init(&fence->reference, 1);
fence->ctx = ctx;
fence->screen = ctx->screen;
fence->timestamp = etna_cmd_stream_timestamp(ctx->stream);
return fence;
}
void
etna_fence_screen_init(struct pipe_screen *pscreen)
{
pscreen->fence_reference = etna_screen_fence_reference;
pscreen->fence_finish = etna_screen_fence_finish;
}
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