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loader_threading_tests.cpp
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/*
* Copyright (c) 2021 The Khronos Group Inc.
* Copyright (c) 2021 Valve Corporation
* Copyright (c) 2021 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and/or associated documentation files (the "Materials"), to
* deal in the Materials without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Materials, and to permit persons to whom the Materials are
* furnished to do so, subject to the following conditions:
*
* The above copyright notice(s) and this permission notice shall be included in
* all copies or substantial portions of the Materials.
*
* THE MATERIALS ARE 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 MATERIALS OR THE
* USE OR OTHER DEALINGS IN THE MATERIALS.
*
* Author: Charles Giessen <charles@lunarg.com>
*/
#include "test_environment.h"
#include <mutex>
#include <thread>
#include <atomic>
void create_destroy_instance_loop_with_function_queries(FrameworkEnvironment* env, uint32_t num_loops_create_destroy_instance,
uint32_t num_loops_try_get_instance_proc_addr,
uint32_t num_loops_try_get_device_proc_addr) {
for (uint32_t i = 0; i < num_loops_create_destroy_instance; i++) {
InstWrapper inst{env->vulkan_functions};
inst.CheckCreate();
PFN_vkEnumeratePhysicalDevices enum_pd = nullptr;
for (uint32_t j = 0; j < num_loops_try_get_instance_proc_addr; j++) {
enum_pd = inst.load("vkEnumeratePhysicalDevices");
ASSERT_NE(enum_pd, nullptr);
}
VkPhysicalDevice phys_dev = inst.GetPhysDev();
DeviceWrapper dev{inst};
dev.CheckCreate(phys_dev);
for (uint32_t j = 0; j < num_loops_try_get_device_proc_addr; j++) {
PFN_vkCmdBindPipeline p = dev.load("vkCmdBindPipeline");
p(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE);
}
}
}
void create_destroy_device_loop(FrameworkEnvironment* env, uint32_t num_loops_create_destroy_device,
uint32_t num_loops_try_get_proc_addr) {
InstWrapper inst{env->vulkan_functions};
inst.CheckCreate();
for (uint32_t i = 0; i < num_loops_create_destroy_device; i++) {
DeviceWrapper dev{inst};
dev.CheckCreate(inst.GetPhysDev());
for (uint32_t j = 0; j < num_loops_try_get_proc_addr; j++) {
PFN_vkCmdBindPipeline p = dev.load("vkCmdBindPipeline");
PFN_vkCmdBindDescriptorSets d = dev.load("vkCmdBindDescriptorSets");
PFN_vkCmdBindVertexBuffers vb = dev.load("vkCmdBindVertexBuffers");
PFN_vkCmdBindIndexBuffer ib = dev.load("vkCmdBindIndexBuffer");
PFN_vkCmdDraw c = dev.load("vkCmdDraw");
p(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE);
d(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE, 0, 0, nullptr, 0, nullptr);
vb(VK_NULL_HANDLE, 0, 0, nullptr, nullptr);
ib(VK_NULL_HANDLE, 0, 0, VkIndexType::VK_INDEX_TYPE_UINT16);
c(VK_NULL_HANDLE, 0, 0, 0, 0);
}
}
}
VKAPI_ATTR void VKAPI_CALL test_vkCmdBindPipeline(VkCommandBuffer, VkPipelineBindPoint, VkPipeline) {}
VKAPI_ATTR void VKAPI_CALL test_vkCmdBindDescriptorSets(VkCommandBuffer, VkPipelineBindPoint, VkPipelineLayout, uint32_t, uint32_t,
const VkDescriptorSet*, uint32_t, const uint32_t*) {}
VKAPI_ATTR void VKAPI_CALL test_vkCmdBindVertexBuffers(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*) {}
VKAPI_ATTR void VKAPI_CALL test_vkCmdBindIndexBuffer(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*) {}
VKAPI_ATTR void VKAPI_CALL test_vkCmdDraw(VkCommandBuffer, uint32_t, uint32_t, uint32_t, uint32_t) {}
TEST(Threading, InstanceCreateDestroyLoop) {
const auto processor_count = std::thread::hardware_concurrency();
FrameworkEnvironment env{FrameworkSettings{}.set_log_filter("")};
auto& driver = env.add_icd(TestICDDetails(TEST_ICD_PATH_VERSION_2_EXPORT_ICD_GPDPA));
uint32_t num_loops_create_destroy_instance = 500;
uint32_t num_loops_try_get_instance_proc_addr = 5;
uint32_t num_loops_try_get_device_proc_addr = 100;
driver.physical_devices.emplace_back("physical_device_0")
.known_device_functions.push_back({"vkCmdBindPipeline", to_vkVoidFunction(test_vkCmdBindPipeline)});
std::vector<std::thread> instance_creation_threads;
std::vector<std::thread> function_query_threads;
for (uint32_t i = 0; i < processor_count; i++) {
instance_creation_threads.emplace_back(create_destroy_instance_loop_with_function_queries, &env,
num_loops_create_destroy_instance, num_loops_try_get_instance_proc_addr,
num_loops_try_get_device_proc_addr);
}
for (uint32_t i = 0; i < processor_count; i++) {
instance_creation_threads[i].join();
}
}
TEST(Threading, DeviceCreateDestroyLoop) {
const auto processor_count = std::thread::hardware_concurrency();
FrameworkEnvironment env{FrameworkSettings{}.set_log_filter("")};
auto& driver = env.add_icd(TestICDDetails(TEST_ICD_PATH_VERSION_2_EXPORT_ICD_GPDPA));
uint32_t num_loops_create_destroy_device = 1000;
uint32_t num_loops_try_get_device_proc_addr = 5;
driver.physical_devices.emplace_back("physical_device_0").known_device_functions = {
{"vkCmdBindPipeline", to_vkVoidFunction(test_vkCmdBindPipeline)},
{"vkCmdBindDescriptorSets", to_vkVoidFunction(test_vkCmdBindDescriptorSets)},
{"vkCmdBindVertexBuffers", to_vkVoidFunction(test_vkCmdBindVertexBuffers)},
{"vkCmdBindIndexBuffer", to_vkVoidFunction(test_vkCmdBindIndexBuffer)},
{"vkCmdDraw", to_vkVoidFunction(test_vkCmdDraw)}};
std::vector<std::thread> device_creation_threads;
for (uint32_t i = 0; i < processor_count; i++) {
device_creation_threads.emplace_back(create_destroy_device_loop, &env, num_loops_create_destroy_device,
num_loops_try_get_device_proc_addr);
}
for (uint32_t i = 0; i < processor_count; i++) {
device_creation_threads[i].join();
}
}