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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 <libsync.h>
#include "etnaviv_fence.h"
#include "etnaviv_context.h"
#include "etnaviv_screen.h"
#include "util/os_file.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
struct pipe_fence_handle {
struct pipe_reference reference;
struct etna_screen *screen;
int fence_fd;
uint32_t timestamp;
};
static void
etna_fence_destroy(struct pipe_fence_handle *fence)
{
if (fence->fence_fd != -1)
close(fence->fence_fd);
FREE(fence);
}
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))
etna_fence_destroy(*ptr);
*ptr = fence;
}
static bool
etna_screen_fence_finish(struct pipe_screen *pscreen, struct pipe_context *ctx,
struct pipe_fence_handle *fence, uint64_t timeout)
{
if (fence->fence_fd != -1)
return !sync_wait(fence->fence_fd, timeout / 1000000);
if (etna_pipe_wait_ns(fence->screen->pipe, fence->timestamp, timeout))
return false;
return true;
}
void
etna_create_fence_fd(struct pipe_context *pctx,
struct pipe_fence_handle **pfence, int fd,
enum pipe_fd_type type)
{
assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
*pfence = etna_fence_create(pctx, os_dupfd_cloexec(fd));
}
void
etna_fence_server_sync(struct pipe_context *pctx,
struct pipe_fence_handle *pfence)
{
struct etna_context *ctx = etna_context(pctx);
if (pfence->fence_fd != -1)
sync_accumulate("etnaviv", &ctx->in_fence_fd, pfence->fence_fd);
}
static int
etna_screen_fence_get_fd(struct pipe_screen *pscreen,
struct pipe_fence_handle *pfence)
{
return os_dupfd_cloexec(pfence->fence_fd);
}
struct pipe_fence_handle *
etna_fence_create(struct pipe_context *pctx, int fence_fd)
{
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->screen = ctx->screen;
fence->timestamp = etna_cmd_stream_timestamp(ctx->stream);
fence->fence_fd = fence_fd;
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;
pscreen->fence_get_fd = etna_screen_fence_get_fd;
}
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