1 /*
2  * Copyright (c) 2021 The Khronos Group Inc.
3  * Copyright (c) 2021 Valve Corporation
4  * Copyright (c) 2021 LunarG, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and/or associated documentation files (the "Materials"), to
8  * deal in the Materials without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Materials, and to permit persons to whom the Materials are
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice(s) and this permission notice shall be included in
14  * all copies or substantial portions of the Materials.
15  *
16  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  *
20  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
23  * USE OR OTHER DEALINGS IN THE MATERIALS.
24  *
25  * Author: Charles Giessen <charles@lunarg.com>
26  */
27 
28 #include "test_environment.h"
29 
30 #include <mutex>
31 #include <thread>
32 #include <atomic>
33 
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)34 void create_destroy_instance_loop_with_function_queries(FrameworkEnvironment* env, uint32_t num_loops_create_destroy_instance,
35                                                         uint32_t num_loops_try_get_instance_proc_addr,
36                                                         uint32_t num_loops_try_get_device_proc_addr) {
37     for (uint32_t i = 0; i < num_loops_create_destroy_instance; i++) {
38         InstWrapper inst{env->vulkan_functions};
39         inst.CheckCreate();
40         PFN_vkEnumeratePhysicalDevices enum_pd = nullptr;
41         for (uint32_t j = 0; j < num_loops_try_get_instance_proc_addr; j++) {
42             enum_pd = inst.load("vkEnumeratePhysicalDevices");
43             ASSERT_NE(enum_pd, nullptr);
44         }
45         VkPhysicalDevice phys_dev = inst.GetPhysDev();
46 
47         DeviceWrapper dev{inst};
48         dev.CheckCreate(phys_dev);
49         for (uint32_t j = 0; j < num_loops_try_get_device_proc_addr; j++) {
50             PFN_vkCmdBindPipeline p = dev.load("vkCmdBindPipeline");
51             p(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE);
52         }
53     }
54 }
55 
create_destroy_device_loop(FrameworkEnvironment* env, uint32_t num_loops_create_destroy_device, uint32_t num_loops_try_get_proc_addr)56 void create_destroy_device_loop(FrameworkEnvironment* env, uint32_t num_loops_create_destroy_device,
57                                 uint32_t num_loops_try_get_proc_addr) {
58     InstWrapper inst{env->vulkan_functions};
59     inst.CheckCreate();
60     for (uint32_t i = 0; i < num_loops_create_destroy_device; i++) {
61         DeviceWrapper dev{inst};
62         dev.CheckCreate(inst.GetPhysDev());
63 
64         for (uint32_t j = 0; j < num_loops_try_get_proc_addr; j++) {
65             PFN_vkCmdBindPipeline p = dev.load("vkCmdBindPipeline");
66             PFN_vkCmdBindDescriptorSets d = dev.load("vkCmdBindDescriptorSets");
67             PFN_vkCmdBindVertexBuffers vb = dev.load("vkCmdBindVertexBuffers");
68             PFN_vkCmdBindIndexBuffer ib = dev.load("vkCmdBindIndexBuffer");
69             PFN_vkCmdDraw c = dev.load("vkCmdDraw");
70             p(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE);
71             d(VK_NULL_HANDLE, VkPipelineBindPoint::VK_PIPELINE_BIND_POINT_GRAPHICS, VK_NULL_HANDLE, 0, 0, nullptr, 0, nullptr);
72             vb(VK_NULL_HANDLE, 0, 0, nullptr, nullptr);
73             ib(VK_NULL_HANDLE, 0, 0, VkIndexType::VK_INDEX_TYPE_UINT16);
74             c(VK_NULL_HANDLE, 0, 0, 0, 0);
75         }
76     }
77 }
test_vkCmdBindPipeline(VkCommandBuffer, VkPipelineBindPoint, VkPipeline)78 VKAPI_ATTR void VKAPI_CALL test_vkCmdBindPipeline(VkCommandBuffer, VkPipelineBindPoint, VkPipeline) {}
test_vkCmdBindDescriptorSets(VkCommandBuffer, VkPipelineBindPoint, VkPipelineLayout, uint32_t, uint32_t, const VkDescriptorSet*, uint32_t, const uint32_t*)79 VKAPI_ATTR void VKAPI_CALL test_vkCmdBindDescriptorSets(VkCommandBuffer, VkPipelineBindPoint, VkPipelineLayout, uint32_t, uint32_t,
80                                                         const VkDescriptorSet*, uint32_t, const uint32_t*) {}
test_vkCmdBindVertexBuffers(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*)81 VKAPI_ATTR void VKAPI_CALL test_vkCmdBindVertexBuffers(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*) {}
test_vkCmdBindIndexBuffer(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*)82 VKAPI_ATTR void VKAPI_CALL test_vkCmdBindIndexBuffer(VkCommandBuffer, uint32_t, uint32_t, const VkBuffer*, const VkDeviceSize*) {}
test_vkCmdDraw(VkCommandBuffer, uint32_t, uint32_t, uint32_t, uint32_t)83 VKAPI_ATTR void VKAPI_CALL test_vkCmdDraw(VkCommandBuffer, uint32_t, uint32_t, uint32_t, uint32_t) {}
TEST(Threading, InstanceCreateDestroyLoop)84 TEST(Threading, InstanceCreateDestroyLoop) {
85     const auto processor_count = std::thread::hardware_concurrency();
86 
87     FrameworkEnvironment env{FrameworkSettings{}.set_log_filter("")};
88     auto& driver = env.add_icd(TestICDDetails(TEST_ICD_PATH_VERSION_2_EXPORT_ICD_GPDPA));
89     uint32_t num_loops_create_destroy_instance = 500;
90     uint32_t num_loops_try_get_instance_proc_addr = 5;
91     uint32_t num_loops_try_get_device_proc_addr = 100;
92 
93     driver.physical_devices.emplace_back("physical_device_0")
94         .known_device_functions.push_back({"vkCmdBindPipeline", to_vkVoidFunction(test_vkCmdBindPipeline)});
95 
96     std::vector<std::thread> instance_creation_threads;
97     std::vector<std::thread> function_query_threads;
98     for (uint32_t i = 0; i < processor_count; i++) {
99         instance_creation_threads.emplace_back(create_destroy_instance_loop_with_function_queries, &env,
100                                                num_loops_create_destroy_instance, num_loops_try_get_instance_proc_addr,
101                                                num_loops_try_get_device_proc_addr);
102     }
103     for (uint32_t i = 0; i < processor_count; i++) {
104         instance_creation_threads[i].join();
105     }
106 }
107 
TEST(Threading, DeviceCreateDestroyLoop)108 TEST(Threading, DeviceCreateDestroyLoop) {
109     const auto processor_count = std::thread::hardware_concurrency();
110 
111     FrameworkEnvironment env{FrameworkSettings{}.set_log_filter("")};
112     auto& driver = env.add_icd(TestICDDetails(TEST_ICD_PATH_VERSION_2_EXPORT_ICD_GPDPA));
113 
114     uint32_t num_loops_create_destroy_device = 1000;
115     uint32_t num_loops_try_get_device_proc_addr = 5;
116 
117     driver.physical_devices.emplace_back("physical_device_0").known_device_functions = {
118         {"vkCmdBindPipeline", to_vkVoidFunction(test_vkCmdBindPipeline)},
119         {"vkCmdBindDescriptorSets", to_vkVoidFunction(test_vkCmdBindDescriptorSets)},
120         {"vkCmdBindVertexBuffers", to_vkVoidFunction(test_vkCmdBindVertexBuffers)},
121         {"vkCmdBindIndexBuffer", to_vkVoidFunction(test_vkCmdBindIndexBuffer)},
122         {"vkCmdDraw", to_vkVoidFunction(test_vkCmdDraw)}};
123 
124     std::vector<std::thread> device_creation_threads;
125 
126     for (uint32_t i = 0; i < processor_count; i++) {
127         device_creation_threads.emplace_back(create_destroy_device_loop, &env, num_loops_create_destroy_device,
128                                              num_loops_try_get_device_proc_addr);
129     }
130     for (uint32_t i = 0; i < processor_count; i++) {
131         device_creation_threads[i].join();
132     }
133 }
134