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// Copyright 2015 Intel Corporation
//
// 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 (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 NONINFRINGEMENT. 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.
#include <poll.h>
#include <stdio.h>
#include "tapi/t.h"
static uint64_t
get_timestamp(void)
{
VkQueryPool pool;
vkCreateQueryPool(t_device,
&(VkQueryPoolCreateInfo) {
.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO,
.queryType = VK_QUERY_TYPE_TIMESTAMP,
.queryCount = 2,
}, NULL, &pool);
VkCommandBuffer cmdBuffer = qoAllocateCommandBuffer(t_device, t_cmd_pool);
qoBeginCommandBuffer(cmdBuffer);
vkCmdWriteTimestamp(cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, pool, 0);
vkCmdWriteTimestamp(cmdBuffer, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, pool, 1);
qoEndCommandBuffer(cmdBuffer);
qoQueueSubmit(t_queue, 1, &cmdBuffer, VK_NULL_HANDLE);
vkQueueWaitIdle(t_queue);
uint64_t results[2];
vkGetQueryPoolResults(t_device, pool, 0, 2,
sizeof(results), results, sizeof *results,
VK_QUERY_RESULT_64_BIT);
printf("top timestamp: %20lld (%016llx)\n", results[0], results[0]);
printf("bottom timestamp: %20lld (%016llx)\n", results[1], results[1]);
return results[0];
}
static void
test_timestamp(void)
{
uint64_t a, b, freq, elapsed_ms;
a = get_timestamp();
t_assert(poll(NULL, 0, 100) == 0);
b = get_timestamp();
freq = 1 / (t_physical_dev_props->limits.timestampPeriod * 1000);
elapsed_ms = (b - a) / freq;
printf("difference: %llu - %llu = %llu\n", b / freq, a / freq, elapsed_ms);
if (elapsed_ms < 90 || elapsed_ms > 110)
t_fail();
else
t_pass();
}
test_define {
.name = "func.query.timestamp",
.start = test_timestamp,
.no_image = true,
};
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