vklayertests_arm_best_practices.cpp

/*
 * Copyright (c) 2015-2021 The Khronos Group Inc.
 * Copyright (c) 2015-2021 Valve Corporation
 * Copyright (c) 2015-2021 LunarG, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Author: Nathaniel Cesario <nathaniel@lunarg.com>
 */

#include "cast_utils.h"
#include "layer_validation_tests.h"

// Tests for Arm-specific best practices

TEST_F(VkArmBestPracticesLayerTest, TooManySamples) {
    TEST_DESCRIPTION("Test for multisampled images with too many samples");

    InitBestPracticesFramework();
    InitState();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateImage-too-large-sample-count");

    VkImageCreateInfo image_info{};
    image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
    image_info.extent = {1920, 1080, 1};
    image_info.format = VK_FORMAT_R8G8B8A8_UNORM;
    image_info.imageType = VK_IMAGE_TYPE_2D;
    image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
    image_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
    image_info.samples = VK_SAMPLE_COUNT_8_BIT;
    image_info.arrayLayers = 1;
    image_info.mipLevels = 1;

    VkImage image = VK_NULL_HANDLE;
    vk::CreateImage(m_device->device(), &image_info, nullptr, &image);

    m_errorMonitor->VerifyFound();

    if (image) {
        vk::DestroyImage(m_device->device(), image, nullptr);
    }
}

TEST_F(VkArmBestPracticesLayerTest, NonTransientMSImage) {
    TEST_DESCRIPTION("Test for non-transient multisampled images");

    InitBestPracticesFramework();
    InitState();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateImage-non-transient-ms-image");

    VkImageCreateInfo image_info{};
    image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
    image_info.extent = {1920, 1080, 1};
    image_info.format = VK_FORMAT_R8G8B8A8_UNORM;
    image_info.imageType = VK_IMAGE_TYPE_2D;
    image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
    image_info.usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
    image_info.samples = VK_SAMPLE_COUNT_4_BIT;
    image_info.arrayLayers = 1;
    image_info.mipLevels = 1;

    VkImage image;
    vk::CreateImage(m_device->device(), &image_info, nullptr, &image);

    m_errorMonitor->VerifyFound();
}

TEST_F(VkArmBestPracticesLayerTest, SamplerCreation) {
    TEST_DESCRIPTION("Test for various checks during sampler creation");

    InitBestPracticesFramework();
    InitState();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-different-wrapping-modes");
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-lod-clamping");
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-lod-bias");
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-border-clamp-color");
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-unnormalized-coordinates");
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSampler-anisotropy");

    VkSamplerCreateInfo sampler_info{};
    sampler_info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
    sampler_info.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
    sampler_info.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
    sampler_info.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER;
    sampler_info.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK;
    sampler_info.minLod = 0.0f;
    sampler_info.maxLod = 4.0f;
    sampler_info.mipLodBias = 1.0f;
    sampler_info.unnormalizedCoordinates = VK_TRUE;
    sampler_info.anisotropyEnable = VK_TRUE;
    sampler_info.maxAnisotropy = 4.0f;

    VkSampler sampler = VK_NULL_HANDLE;
    vk::CreateSampler(m_device->device(), &sampler_info, nullptr, &sampler);

    m_errorMonitor->VerifyFound();

    if (sampler) {
        vk::DestroySampler(m_device->device(), sampler, nullptr);
    }
}

TEST_F(VkArmBestPracticesLayerTest, MultisampledBlending) {
    TEST_DESCRIPTION("Test for multisampled blending");

    InitBestPracticesFramework();
    InitState();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreatePipelines-multisampled-blending");

    VkAttachmentDescription attachment{};
    attachment.samples = VK_SAMPLE_COUNT_4_BIT;
    attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
    attachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
    attachment.format = VK_FORMAT_R16G16B16A16_SFLOAT;

    VkAttachmentReference color_ref{};
    color_ref.attachment = 0;
    color_ref.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;

    VkSubpassDescription subpass{};
    subpass.colorAttachmentCount = 1;
    subpass.pColorAttachments = &color_ref;
    subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;

    VkRenderPassCreateInfo rp_info{};
    rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
    rp_info.attachmentCount = 1;
    rp_info.pAttachments = &attachment;
    rp_info.subpassCount = 1;
    rp_info.pSubpasses = &subpass;

    vk::CreateRenderPass(m_device->device(), &rp_info, nullptr, &m_renderPass);
    m_renderPass_info = rp_info;

    VkPipelineMultisampleStateCreateInfo pipe_ms_state_ci = {};
    pipe_ms_state_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
    pipe_ms_state_ci.rasterizationSamples = VK_SAMPLE_COUNT_4_BIT;

    VkPipelineColorBlendAttachmentState blend_att = {};
    blend_att.blendEnable = VK_TRUE;
    blend_att.colorWriteMask =
        VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;

    VkPipelineColorBlendStateCreateInfo pipe_cb_state_ci = {};
    pipe_cb_state_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
    pipe_cb_state_ci.attachmentCount = 1;
    pipe_cb_state_ci.pAttachments = &blend_att;

    CreatePipelineHelper pipe(*this);
    pipe.InitInfo();
    pipe.pipe_ms_state_ci_ = pipe_ms_state_ci;
    pipe.cb_ci_ = pipe_cb_state_ci;
    pipe.InitState();
    pipe.CreateGraphicsPipeline();

    m_errorMonitor->VerifyFound();
}

TEST_F(VkArmBestPracticesLayerTest, AttachmentNeedsReadback) {
    TEST_DESCRIPTION("Test for attachments that need readback");

    InitBestPracticesFramework();
    InitState();

    m_clear_via_load_op = false;  // Force LOAD_OP_LOAD
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCmdBeginRenderPass-attachment-needs-readback");

    m_commandBuffer->begin();
    m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);

    m_errorMonitor->VerifyFound();
}

TEST_F(VkArmBestPracticesLayerTest, ManySmallIndexedDrawcalls) {
    InitBestPracticesFramework();
    InitState();

    if (IsPlatform(kNexusPlayer) || IsPlatform(kShieldTV) || IsPlatform(kShieldTVb)) {
        return;
    }

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCmdDrawIndexed-many-small-indexed-drawcalls");

    // This test may also trigger other warnings
    m_errorMonitor->SetAllowedFailureMsg("UNASSIGNED-BestPractices-vkAllocateMemory-small-allocation");
    m_errorMonitor->SetAllowedFailureMsg("UNASSIGNED-BestPractices-vkBindMemory-small-dedicated-allocation");

    ASSERT_NO_FATAL_FAILURE(InitViewport());
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    VkPipelineMultisampleStateCreateInfo pipe_ms_state_ci = {};
    pipe_ms_state_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
    pipe_ms_state_ci.pNext = NULL;
    pipe_ms_state_ci.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
    pipe_ms_state_ci.sampleShadingEnable = 0;
    pipe_ms_state_ci.minSampleShading = 1.0;
    pipe_ms_state_ci.pSampleMask = NULL;

    CreatePipelineHelper pipe(*this);
    pipe.InitInfo();
    pipe.pipe_ms_state_ci_ = pipe_ms_state_ci;
    pipe.InitState();
    pipe.CreateGraphicsPipeline();

    m_commandBuffer->begin();
    m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);
    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.pipeline_);

    for (int i = 0; i < 10; i++) {
        m_commandBuffer->DrawIndexed(3, 1, 0, 0, 0);
    }

    m_errorMonitor->VerifyFound();

    m_commandBuffer->EndRenderPass();
    m_commandBuffer->end();
}

TEST_F(VkArmBestPracticesLayerTest, SuboptimalDescriptorReuseTest) {
    TEST_DESCRIPTION("Test for validation warnings of potentially suboptimal re-use of descriptor set allocations");

    InitBestPracticesFramework();
    InitState();
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    VkDescriptorPoolSize ds_type_count = {};
    ds_type_count.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
    ds_type_count.descriptorCount = 3;

    VkDescriptorPoolCreateInfo ds_pool_ci = {};
    ds_pool_ci.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
    ds_pool_ci.pNext = NULL;
    ds_pool_ci.maxSets = 6;
    ds_pool_ci.poolSizeCount = 1;
    ds_pool_ci.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
    ds_pool_ci.pPoolSizes = &ds_type_count;

    VkDescriptorPool ds_pool;
    VkResult err = vk::CreateDescriptorPool(m_device->device(), &ds_pool_ci, NULL, &ds_pool);
    ASSERT_VK_SUCCESS(err);

    VkDescriptorSetLayoutBinding ds_binding = {};
    ds_binding.binding = 0;
    ds_binding.descriptorCount = 1;
    ds_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;

    VkDescriptorSetLayoutCreateInfo ds_layout_info = {};
    ds_layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
    ds_layout_info.bindingCount = 1;
    ds_layout_info.pBindings = &ds_binding;

    VkDescriptorSetLayout ds_layout;
    err = vk::CreateDescriptorSetLayout(m_device->device(), &ds_layout_info, nullptr, &ds_layout);
    ASSERT_VK_SUCCESS(err);

    auto ds_layouts = std::vector<VkDescriptorSetLayout>(ds_pool_ci.maxSets, ds_layout);

    std::vector<VkDescriptorSet> descriptor_sets = {};
    descriptor_sets.resize(ds_layouts.size());

    // allocate N/2 descriptor sets
    VkDescriptorSetAllocateInfo alloc_info = {};
    alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
    alloc_info.descriptorPool = ds_pool;
    alloc_info.descriptorSetCount = descriptor_sets.size() / 2;
    alloc_info.pSetLayouts = ds_layouts.data();

    err = vk::AllocateDescriptorSets(m_device->device(), &alloc_info, descriptor_sets.data());
    ASSERT_VK_SUCCESS(err);

    // free one descriptor set
    VkDescriptorSet* ds = descriptor_sets.data();
    err = vk::FreeDescriptorSets(m_device->device(), ds_pool, 1, ds);

    // the previous allocate and free should not cause any warning
    ASSERT_VK_SUCCESS(err);
    m_errorMonitor->VerifyNotFound();

    // allocate the previously freed descriptor set
    alloc_info = {};
    alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
    alloc_info.descriptorPool = ds_pool;
    alloc_info.descriptorSetCount = 1;
    alloc_info.pSetLayouts = ds_layouts.data();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkAllocateDescriptorSets-suboptimal-reuse");

    err = vk::AllocateDescriptorSets(m_device->device(), &alloc_info, ds);

    // this should create a validation warning, in addition to the appropriate warning message
    m_errorMonitor->VerifyFound();

    // allocate the remaining descriptor sets (N - (N/2))
    alloc_info.descriptorSetCount = descriptor_sets.size() - (descriptor_sets.size() / 2);
    err = vk::AllocateDescriptorSets(m_device->device(), &alloc_info, ds);

    // this should create no validation warnings
    m_errorMonitor->VerifyNotFound();
}

TEST_F(VkArmBestPracticesLayerTest, SparseIndexBufferTest) {
    TEST_DESCRIPTION(
        "Test for appropriate warnings to be thrown when recording an indexed draw call with sparse/non-sparse index buffers.");

    InitBestPracticesFramework();
    InitState();
    ASSERT_NO_FATAL_FAILURE(InitViewport());
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    if (IsPlatform(kMockICD) || DeviceSimulation()) {
        printf("%s Test not supported by MockICD, skipping tests\n", kSkipPrefix);
        return;
    }

    // create a non-sparse index buffer
    std::vector<uint16_t> nonsparse_indices;
    nonsparse_indices.resize(128);
    for (unsigned i = 0; i < nonsparse_indices.size(); i++) {
        nonsparse_indices[i] = i;
    }

    // another example of non-sparsity where the number of indices is also very small
    std::vector<uint16_t> nonsparse_indices_2 = {0, 1, 2, 3, 4, 5, 6, 7};

    // smallest possible meaningful index buffer
    std::vector<uint16_t> nonsparse_indices_3 = {0};

    // another example of non-sparsity, all the indices are the same value (42)
    std::vector<uint16_t> nonsparse_indices_4 = {};
    nonsparse_indices_4.resize(128);
    std::fill(nonsparse_indices_4.begin(), nonsparse_indices_4.end(), 42);

    std::vector<uint16_t> sparse_indices = nonsparse_indices;
    // The buffer (0, 1, 2, ..., n) is completely un-sparse. However, if n < 0xFFFF, by adding 0xFFFF at the end, we
    // should trigger a warning due to loading all the indices in the range 0 to 0xFFFF, despite indices in the range
    // (n+1) to (0xFFFF - 1) not being used.
    sparse_indices[sparse_indices.size() - 1] = 0xFFFF;

    VkConstantBufferObj nonsparse_ibo(m_device, nonsparse_indices.size() * sizeof(uint16_t), nonsparse_indices.data(),
                                      VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    VkConstantBufferObj nonsparse_ibo_2(m_device, nonsparse_indices_2.size() * sizeof(uint16_t), nonsparse_indices_2.data(),
                                        VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    VkConstantBufferObj nonsparse_ibo_3(m_device, nonsparse_indices_3.size() * sizeof(uint16_t), nonsparse_indices_3.data(),
                                        VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    VkConstantBufferObj nonsparse_ibo_4(m_device, nonsparse_indices_4.size() * sizeof(uint16_t), nonsparse_indices_4.data(),
                                        VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    VkConstantBufferObj sparse_ibo(m_device, sparse_indices.size() * sizeof(uint16_t), sparse_indices.data(),
                                   VK_BUFFER_USAGE_INDEX_BUFFER_BIT);

    auto test_pipelines = [&](VkConstantBufferObj& ibo, size_t index_count, bool expect_error) -> void {
        CreatePipelineHelper pipe(*this);
        pipe.InitInfo();
        pipe.InitState();
        pipe.ia_ci_.primitiveRestartEnable = VK_FALSE;
        pipe.CreateGraphicsPipeline();

        // pipeline with primitive restarts enabled
        CreatePipelineHelper pr_pipe(*this);
        pr_pipe.InitInfo();
        pr_pipe.InitState();
        pr_pipe.ia_ci_.primitiveRestartEnable = VK_TRUE;
        pr_pipe.CreateGraphicsPipeline();

        m_commandBuffer->reset();
        m_commandBuffer->begin();
        m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);

        vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.pipeline_);
        m_commandBuffer->BindIndexBuffer(&ibo, static_cast<VkDeviceSize>(0), VK_INDEX_TYPE_UINT16);
        m_errorMonitor->VerifyNotFound();

        // the validation layer will only be able to analyse mapped memory, it's too expensive otherwise to do in the layer itself
        ibo.memory().map();
        m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                             "UNASSIGNED-BestPractices-vkCmdDrawIndexed-sparse-index-buffer");
        m_commandBuffer->DrawIndexed(index_count, 0, 0, 0, 0);
        if (expect_error) {
            m_errorMonitor->VerifyFound();
        } else {
            m_errorMonitor->VerifyNotFound();
        }
        ibo.memory().unmap();

        m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                             "UNASSIGNED-BestPractices-vkCmdDrawIndexed-sparse-index-buffer");
        vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pr_pipe.pipeline_);
        m_commandBuffer->BindIndexBuffer(&ibo, static_cast<VkDeviceSize>(0), VK_INDEX_TYPE_UINT16);
        m_errorMonitor->VerifyNotFound();

        ibo.memory().map();
        m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                             "UNASSIGNED-BestPractices-vkCmdDrawIndexed-sparse-index-buffer");
        m_commandBuffer->DrawIndexed(index_count, 0, 0, 0, 0);
        if (expect_error) {
            m_errorMonitor->VerifyFound();
        } else {
            m_errorMonitor->VerifyNotFound();
        }
        ibo.memory().unmap();

        m_errorMonitor->Reset();
    };

    // our non-sparse indices should not trigger a warning for either pipeline in this case
    test_pipelines(nonsparse_ibo, nonsparse_indices.size(), false);
    test_pipelines(nonsparse_ibo_2, nonsparse_indices_2.size(), false);
    test_pipelines(nonsparse_ibo_3, nonsparse_indices_3.size(), false);
    test_pipelines(nonsparse_ibo_4, nonsparse_indices_4.size(), false);

    // our sparse indices should trigger warnings for both pipelines in this case
    test_pipelines(sparse_ibo, sparse_indices.size(), true);
}

TEST_F(VkArmBestPracticesLayerTest, PostTransformVertexCacheThrashingIndicesTest) {
    TEST_DESCRIPTION(
        "Test for appropriate warnings to be thrown when recording an indexed draw call where the indices thrash the "
        "post-transform vertex cache.");

    InitBestPracticesFramework();
    InitState();
    ASSERT_NO_FATAL_FAILURE(InitViewport());
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    if (IsPlatform(kMockICD) || DeviceSimulation()) {
        printf("%s Test not supported by MockICD, skipping tests\n", kSkipPrefix);
        return;
    }

    CreatePipelineHelper pipe(*this);
    pipe.InitInfo();
    pipe.InitState();
    pipe.CreateGraphicsPipeline();

    m_commandBuffer->begin();
    m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);
    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.pipeline_);

    std::vector<uint16_t> worst_indices;
    worst_indices.resize(128 * 16);
    for (size_t i = 0; i < 16; i++) {
        for (size_t j = 0; j < 128; j++) {
            // worst case index buffer sequence for re-use
            // (0, 1, 2, 3, ..., 127, 0, 1, 2, 3, ..., 127, 0, 1, 2, ...<x16>)
            worst_indices[j + i * 128] = j;
        }
    }

    std::vector<uint16_t> best_indices;
    best_indices.resize(128 * 16);
    for (size_t i = 0; i < 16; i++) {
        for (size_t j = 0; j < 128; j++) {
            // best case index buffer sequence for re-use
            // (0, 0, 0, ...<x16>, 1, 1, 1, ...<x16>, 2, 2, 2, ...<x16> , ..., 127)
            best_indices[i + j * 16] = j;
        }
    }

    // make sure the worst-case indices throw a warning
    VkConstantBufferObj worst_ibo(m_device, worst_indices.size() * sizeof(uint16_t), worst_indices.data(),
                                  VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    m_commandBuffer->BindIndexBuffer(&worst_ibo, static_cast<VkDeviceSize>(0), VK_INDEX_TYPE_UINT16);
    m_errorMonitor->VerifyNotFound();

    // the validation layer will only be able to analyse mapped memory, it's too expensive otherwise to do in the layer itself
    worst_ibo.memory().map();
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCmdDrawIndexed-post-transform-cache-thrashing");
    m_commandBuffer->DrawIndexed(worst_indices.size(), 0, 0, 0, 0);
    m_errorMonitor->VerifyFound();
    worst_ibo.memory().unmap();

    // make sure that the best-case indices don't throw a warning
    VkConstantBufferObj best_ibo(m_device, best_indices.size() * sizeof(uint16_t), best_indices.data(),
                                 VK_BUFFER_USAGE_INDEX_BUFFER_BIT);
    m_commandBuffer->BindIndexBuffer(&best_ibo, static_cast<VkDeviceSize>(0), VK_INDEX_TYPE_UINT16);
    m_errorMonitor->VerifyNotFound();

    best_ibo.memory().map();
    m_commandBuffer->DrawIndexed(best_indices.size(), 0, 0, 0, 0);
    m_errorMonitor->VerifyNotFound();
    best_ibo.memory().unmap();
}

TEST_F(VkArmBestPracticesLayerTest, PresentModeTest) {
    TEST_DESCRIPTION("Test for usage of Presentation Modes");

    AddSurfaceInstanceExtension();
    InitBestPracticesFramework();
    AddSwapchainDeviceExtension();
    InitState();
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSwapchainKHR-swapchain-presentmode-not-fifo");
    if (!InitSurface()) {
        printf("%s Cannot create surface, skipping test\n", kSkipPrefix);
        return;
    }
    InitSwapchainInfo();
    VkImageUsageFlags imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
    VkSurfaceTransformFlagBitsKHR preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;

    VkSwapchainCreateInfoKHR swapchain_create_info = {};
    swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
    swapchain_create_info.pNext = 0;
    swapchain_create_info.surface = m_surface;
    swapchain_create_info.minImageCount = m_surface_capabilities.minImageCount;
    swapchain_create_info.imageFormat = m_surface_formats[0].format;
    swapchain_create_info.imageColorSpace = m_surface_formats[0].colorSpace;
    swapchain_create_info.imageExtent = {m_surface_capabilities.minImageExtent.width, m_surface_capabilities.minImageExtent.height};
    swapchain_create_info.imageArrayLayers = 1;
    swapchain_create_info.imageUsage = imageUsage;
    swapchain_create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
    swapchain_create_info.preTransform = preTransform;
    swapchain_create_info.clipped = VK_FALSE;
    swapchain_create_info.oldSwapchain = 0;
    swapchain_create_info.compositeAlpha = m_surface_composite_alpha;
    if (m_surface_present_modes.size() <= 1) {
        printf("TEST SKIPPED: Only %i presentation mode is available!", int(m_surface_present_modes.size()));
        return;
    }

    for (size_t i = 0; i < m_surface_present_modes.size(); i++) {
        if (m_surface_present_modes[i] != VK_PRESENT_MODE_FIFO_KHR) {
            swapchain_create_info.presentMode = m_surface_present_modes[i];
            break;
        }
    }

    VkResult err = vk::CreateSwapchainKHR(device(), &swapchain_create_info, nullptr, &m_swapchain);
    m_errorMonitor->VerifyFound();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateSwapchainKHR-swapchain-presentmode-not-fifo");
    swapchain_create_info.presentMode = VK_PRESENT_MODE_FIFO_KHR;
    err = vk::CreateSwapchainKHR(device(), &swapchain_create_info, nullptr, &m_swapchain);
    m_errorMonitor->VerifyNotFound();
    ASSERT_VK_SUCCESS(err)
    DestroySwapchain();
}

TEST_F(VkArmBestPracticesLayerTest, PipelineDepthBiasZeroTest) {
    TEST_DESCRIPTION("Test for unnecessary rasterization due to using 0 for depthBiasConstantFactor and depthBiasSlopeFactor");

    InitBestPracticesFramework();
    InitState();
    ASSERT_NO_FATAL_FAILURE(InitViewport());
    ASSERT_NO_FATAL_FAILURE(InitRenderTarget());

    CreatePipelineHelper pipe(*this);
    pipe.InitInfo();
    pipe.rs_state_ci_.depthBiasEnable = VK_TRUE;
    pipe.rs_state_ci_.depthBiasConstantFactor = 0.0f;
    pipe.rs_state_ci_.depthBiasSlopeFactor = 0.0f;
    pipe.InitState();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreatePipelines-depthbias-zero");
    pipe.CreateGraphicsPipeline();
    m_errorMonitor->VerifyFound();

    pipe.rs_state_ci_.depthBiasEnable = VK_FALSE;
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreatePipelines-depthbias-zero");
    pipe.CreateGraphicsPipeline();
    m_errorMonitor->VerifyNotFound();
}

TEST_F(VkArmBestPracticesLayerTest, RobustBufferAccessTest) {
    TEST_DESCRIPTION("Test for appropriate warnings to be thrown when robustBufferAccess is enabled.");

    InitBestPracticesFramework();

    VkDevice local_device;
    VkDeviceQueueCreateInfo queue_info = {};
    queue_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
    queue_info.pNext = nullptr;
    queue_info.queueFamilyIndex = 0;
    queue_info.queueCount = 1;
    queue_info.pQueuePriorities = nullptr;
    VkDeviceCreateInfo dev_info = {};
    dev_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
    dev_info.pNext = nullptr;
    dev_info.queueCreateInfoCount = 1;
    dev_info.pQueueCreateInfos = &queue_info;
    dev_info.enabledLayerCount = 0;
    dev_info.ppEnabledLayerNames = nullptr;
    dev_info.enabledExtensionCount = m_device_extension_names.size();
    dev_info.ppEnabledExtensionNames = m_device_extension_names.data();

    VkPhysicalDeviceFeatures supported_features;
    vk::GetPhysicalDeviceFeatures(this->gpu(), &supported_features);
    if (supported_features.robustBufferAccess) {
        m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                             "UNASSIGNED-BestPractices-vkCreateDevice-RobustBufferAccess");
        VkPhysicalDeviceFeatures device_features = {};
        device_features.robustBufferAccess = VK_TRUE;
        dev_info.pEnabledFeatures = &device_features;
        vk::CreateDevice(this->gpu(), &dev_info, nullptr, &local_device);
        m_errorMonitor->VerifyFound();
    } else {
        printf("%s robustBufferAccess is not available, skipping test\n", kSkipPrefix);
        return;
    }
}

TEST_F(VkArmBestPracticesLayerTest, DepthPrePassUsage) {
    InitBestPracticesFramework();
    InitState();

    if (IsPlatform(kNexusPlayer)) {
        printf("%s This test crashes on the NexusPlayer platform\n", kSkipPrefix);
        return;
    }

    InitRenderTarget();

    VkAttachmentDescription attachment{};
    attachment.samples = VK_SAMPLE_COUNT_4_BIT;
    attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
    attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
    attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;

    VkRenderPassCreateInfo rp_info{};
    rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
    rp_info.attachmentCount = 1;
    rp_info.pAttachments = &attachment;
    rp_info.pNext = nullptr;

    VkRenderPass rp = VK_NULL_HANDLE;
    vk::CreateRenderPass(m_device->device(), &rp_info, nullptr, &rp);

    // set up pipelines

    VkPipelineColorBlendAttachmentState color_write_off = {};
    VkPipelineColorBlendAttachmentState color_write_on = {};
    color_write_on.colorWriteMask = 0xF;

    VkPipelineColorBlendStateCreateInfo cb_depth_only_ci = {};
    cb_depth_only_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
    cb_depth_only_ci.attachmentCount = 1;
    cb_depth_only_ci.pAttachments = &color_write_off;

    VkPipelineColorBlendStateCreateInfo cb_depth_equal_ci = {};
    cb_depth_equal_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
    cb_depth_equal_ci.attachmentCount = 1;
    cb_depth_equal_ci.pAttachments = &color_write_on;

    VkPipelineDepthStencilStateCreateInfo ds_depth_only_ci = {};
    ds_depth_only_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
    ds_depth_only_ci.depthTestEnable = VK_TRUE;
    ds_depth_only_ci.depthWriteEnable = VK_TRUE;
    ds_depth_only_ci.depthCompareOp = VK_COMPARE_OP_LESS;

    VkPipelineDepthStencilStateCreateInfo ds_depth_equal_ci = {};
    ds_depth_equal_ci.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
    ds_depth_equal_ci.depthTestEnable = VK_TRUE;
    ds_depth_equal_ci.depthWriteEnable = VK_FALSE;
    ds_depth_equal_ci.depthCompareOp = VK_COMPARE_OP_EQUAL;

    CreatePipelineHelper pipe_depth_only(*this);
    pipe_depth_only.InitInfo();
    pipe_depth_only.gp_ci_.pColorBlendState = &cb_depth_only_ci;
    pipe_depth_only.gp_ci_.pDepthStencilState = &ds_depth_only_ci;
    pipe_depth_only.InitState();
    pipe_depth_only.CreateGraphicsPipeline();

    CreatePipelineHelper pipe_depth_equal(*this);
    pipe_depth_equal.InitInfo();
    pipe_depth_equal.gp_ci_.pColorBlendState = &cb_depth_equal_ci;
    pipe_depth_equal.gp_ci_.pDepthStencilState = &ds_depth_equal_ci;
    pipe_depth_equal.InitState();
    pipe_depth_equal.CreateGraphicsPipeline();

    // create a simple index buffer

    std::vector<uint32_t> indices = {};
    indices.resize(3);

    VkConstantBufferObj ibo(m_device, sizeof(uint32_t) * indices.size(), indices.data(), VK_BUFFER_USAGE_INDEX_BUFFER_BIT);

    m_commandBuffer->begin();
    m_commandBuffer->BindIndexBuffer(&ibo, 0, VK_INDEX_TYPE_UINT32);

    // record a command buffer which doesn't use enough depth pre-passes or geometry to matter
    m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);

    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe_depth_only.pipeline_);
    for (size_t i = 0; i < 30; i++) m_commandBuffer->DrawIndexed(indices.size(), 10, 0, 0, 0);

    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe_depth_equal.pipeline_);
    for (size_t i = 0; i < 30; i++) m_commandBuffer->DrawIndexed(indices.size(), 10, 0, 0, 0);

    m_commandBuffer->EndRenderPass();

    m_errorMonitor->VerifyNotFound();

    // record a command buffer which records a significant number of depth pre-passes
    m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);

    m_errorMonitor->SetDesiredFailureMsg(kPerformanceWarningBit,
                                         "UNASSIGNED-BestPractices-vkCmdEndRenderPass-depth-pre-pass-usage");

    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe_depth_only.pipeline_);
    for (size_t i = 0; i < 30; i++) m_commandBuffer->DrawIndexed(indices.size(), 1000, 0, 0, 0);

    vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe_depth_equal.pipeline_);
    for (size_t i = 0; i < 30; i++) m_commandBuffer->DrawIndexed(indices.size(), 1000, 0, 0, 0);

    m_commandBuffer->EndRenderPass();

    m_errorMonitor->VerifyFound();

    m_commandBuffer->end();
}

TEST_F(VkArmBestPracticesLayerTest, ComputeShaderBadWorkGroupThreadAlignmentTest) {
    TEST_DESCRIPTION(
        "Testing for cases where compute shaders will be dispatched in an inefficient way, due to work group dispatch counts on "
        "Arm Mali architectures.");

    InitBestPracticesFramework();
    InitState();

    VkShaderObj compute_4_1_1(m_device,
                              "#version 320 es\n"
                              "\n"
                              "layout(local_size_x = 4, local_size_y = 1, local_size_z = 1) in;\n\n"
                              "void main() {}\n",
                              VK_SHADER_STAGE_COMPUTE_BIT, this);

    VkShaderObj compute_4_1_3(m_device,
                              "#version 320 es\n"
                              "\n"
                              "layout(local_size_x = 4, local_size_y = 1, local_size_z = 3) in;\n\n"
                              "void main() {}\n",
                              VK_SHADER_STAGE_COMPUTE_BIT, this);

    VkShaderObj compute_16_8_1(m_device,
                               "#version 320 es\n"
                               "\n"
                               "layout(local_size_x = 16, local_size_y = 8, local_size_z = 1) in;\n\n"
                               "void main() {}\n",
                               VK_SHADER_STAGE_COMPUTE_BIT, this);

    CreateComputePipelineHelper pipe(*this);

    auto makePipelineWithShader = [=](CreateComputePipelineHelper& pipe, const VkPipelineShaderStageCreateInfo& stage) {
        pipe.InitInfo();
        pipe.InitState();
        pipe.cp_ci_.stage = stage;
        pipe.dsl_bindings_ = {};
        pipe.cp_ci_.layout = pipe.pipeline_layout_.handle();

        pipe.CreateComputePipeline(true, false);
    };

    // these two pipelines should not cause any warning
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-thread-group-alignment");
    makePipelineWithShader(pipe, compute_4_1_1.GetStageCreateInfo());
    m_errorMonitor->VerifyNotFound();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-thread-group-alignment");
    m_errorMonitor->SetAllowedFailureMsg("UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-work-group-size");
    makePipelineWithShader(pipe, compute_16_8_1.GetStageCreateInfo());
    m_errorMonitor->VerifyNotFound();

    // this pipeline should cause a warning due to bad work group alignment

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-thread-group-alignment");
    makePipelineWithShader(pipe, compute_4_1_3.GetStageCreateInfo());
    m_errorMonitor->VerifyFound();
}

TEST_F(VkArmBestPracticesLayerTest, ComputeShaderBadWorkGroupThreadCountTest) {
    TEST_DESCRIPTION(
        "Testing for cases where the number of work groups spawned is greater than advised for Arm Mali architectures.");

    InitBestPracticesFramework();
    InitState();

    VkShaderObj compute_4_1_1(m_device,
                              "#version 320 es\n"
                              "\n"
                              "layout(local_size_x = 4, local_size_y = 1, local_size_z = 1) in;\n\n"
                              "void main() {}\n",
                              VK_SHADER_STAGE_COMPUTE_BIT, this);

    VkShaderObj compute_4_1_3(m_device,
                              "#version 320 es\n"
                              "\n"
                              "layout(local_size_x = 4, local_size_y = 1, local_size_z = 3) in;\n\n"
                              "void main() {}\n",
                              VK_SHADER_STAGE_COMPUTE_BIT, this);

    VkShaderObj compute_16_8_1(m_device,
                               "#version 320 es\n"
                               "\n"
                               "layout(local_size_x = 16, local_size_y = 8, local_size_z = 1) in;\n\n"
                               "void main() {}\n",
                               VK_SHADER_STAGE_COMPUTE_BIT, this);

    CreateComputePipelineHelper pipe(*this);

    auto make_pipeline_with_shader = [=](CreateComputePipelineHelper& pipe, const VkPipelineShaderStageCreateInfo& stage) {
        pipe.InitInfo();
        pipe.InitState();
        pipe.cp_ci_.stage = stage;
        pipe.dsl_bindings_ = {};
        pipe.cp_ci_.layout = pipe.pipeline_layout_.handle();

        pipe.CreateComputePipeline(true, false);
    };

    // these two pipelines should not cause any warning
    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-work-group-size");
    make_pipeline_with_shader(pipe, compute_4_1_1.GetStageCreateInfo());
    m_errorMonitor->VerifyNotFound();

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-work-group-size");
    m_errorMonitor->SetAllowedFailureMsg("UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-thread-group-alignment");
    make_pipeline_with_shader(pipe, compute_4_1_3.GetStageCreateInfo());
    m_errorMonitor->VerifyNotFound();

    // this pipeline should cause a warning due to the total workgroup count

    m_errorMonitor->SetDesiredFailureMsg(VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
                                         "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-work-group-size");
    make_pipeline_with_shader(pipe, compute_16_8_1.GetStageCreateInfo());
    m_errorMonitor->VerifyFound();
}

TEST_F(VkArmBestPracticesLayerTest, ComputeShaderBadSpatialLocalityTest) {
    TEST_DESCRIPTION(
        "Testing for cases where a compute shader's configuration makes poor use of spatial locality, on Arm Mali architectures, "
        "for one or more of its resources.");

    InitBestPracticesFramework();
    InitState();

    VkShaderObj compute_sampler_2d_8_8_1(m_device,
                                         "#version 450\n"
                                         "layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in;\n\n"
                                         "layout(set = 0, binding = 0) uniform sampler2D uSampler;\n"
                                         "void main() {\n"
                                         "    vec4 value = textureLod(uSampler, vec2(0.5), 0.0);\n"
                                         "}\n",
                                         VK_SHADER_STAGE_COMPUTE_BIT, this);
    VkShaderObj compute_sampler_1d_64_1_1(m_device,
                                          "#version 450\n"
                                          "layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;\n\n"
                                          "layout(set = 0, binding = 0) uniform sampler1D uSampler;\n"
                                          "void main() {\n"
                                          "    vec4 value = textureLod(uSampler, 0.5, 0.0);\n"
                                          "}\n",
                                          VK_SHADER_STAGE_COMPUTE_BIT, this);
    VkShaderObj compute_sampler_2d_64_1_1(m_device,
                                          "#version 450\n"
                                          "layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in;\n\n"
                                          "layout(set = 0, binding = 0) uniform sampler2D uSampler;\n"
                                          "void main() {\n"
                                          "    vec4 value = textureLod(uSampler, vec2(0.5), 0.0);\n"
                                          "}\n",
                                          VK_SHADER_STAGE_COMPUTE_BIT, this);

    CreateComputePipelineHelper pipe(*this);

    auto make_pipeline_with_shader = [this](CreateComputePipelineHelper& pipe, const VkPipelineShaderStageCreateInfo& stage) {
        VkDescriptorSetLayoutBinding sampler_binding = {};
        sampler_binding.binding = 0;
        sampler_binding.descriptorCount = 1;
        sampler_binding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
        sampler_binding.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT;

        pipe.InitInfo();
        pipe.InitState();
        auto ds_layout = std::unique_ptr<VkDescriptorSetLayoutObj>(new VkDescriptorSetLayoutObj(m_device, {sampler_binding}));
        auto pipe_layout = std::unique_ptr<VkPipelineLayoutObj>(new VkPipelineLayoutObj(m_device, {ds_layout.get()}));
        pipe.cp_ci_.stage = stage;
        pipe.cp_ci_.layout = pipe_layout->handle();

        pipe.CreateComputePipeline(true, false);
    };

    auto* this_ptr = this;  // Required for older compilers with c++20 compatibility
    auto test_spatial_locality = [=](CreateComputePipelineHelper& pipe, const VkPipelineShaderStageCreateInfo& stage,
                                     bool positive_test, const std::vector<std::string>& allowed = {}) {
        this_ptr->m_errorMonitor->SetDesiredFailureMsg(
            VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT,
            "UNASSIGNED-BestPractices-vkCreateComputePipelines-compute-spatial-locality");
        make_pipeline_with_shader(pipe, stage);
        if (positive_test) {
            this_ptr->m_errorMonitor->VerifyFound();
        } else {
            this_ptr->m_errorMonitor->VerifyNotFound();
        }
    };

    test_spatial_locality(pipe, compute_sampler_2d_8_8_1.GetStageCreateInfo(), false);
    test_spatial_locality(pipe, compute_sampler_1d_64_1_1.GetStageCreateInfo(), false);
    test_spatial_locality(pipe, compute_sampler_2d_64_1_1.GetStageCreateInfo(), true);
}