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vklayertests_descriptor_renderpass_framebuffer.cpp
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/*
* Copyright (c) 2015-2020 The Khronos Group Inc.
* Copyright (c) 2015-2020 Valve Corporation
* Copyright (c) 2015-2020 LunarG, Inc.
* Copyright (c) 2015-2020 Google, 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: Chia-I Wu <[email protected]>
* Author: Chris Forbes <[email protected]>
* Author: Courtney Goeltzenleuchter <[email protected]>
* Author: Mark Lobodzinski <[email protected]>
* Author: Mike Stroyan <[email protected]>
* Author: Tobin Ehlis <[email protected]>
* Author: Tony Barbour <[email protected]>
* Author: Cody Northrop <[email protected]>
* Author: Dave Houlton <[email protected]>
* Author: Jeremy Kniager <[email protected]>
* Author: Shannon McPherson <[email protected]>
* Author: John Zulauf <[email protected]>
*/
#include "cast_utils.h"
#include "layer_validation_tests.h"
TEST_F(VkLayerTest, GpuValidationArrayOOBGraphicsShaders) {
TEST_DESCRIPTION(
"GPU validation: Verify detection of out-of-bounds descriptor array indexing and use of uninitialized descriptors.");
VkValidationFeatureEnableEXT enables[] = {VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT};
VkValidationFeaturesEXT features = {};
features.sType = VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT;
features.enabledValidationFeatureCount = 1;
features.pEnabledValidationFeatures = enables;
bool descriptor_indexing = CheckDescriptorIndexingSupportAndInitFramework(this, m_instance_extension_names,
m_device_extension_names, &features, m_errorMonitor);
if (DeviceIsMockICD() || DeviceSimulation()) {
printf("%s GPU-Assisted validation test requires a driver that can draw.\n", kSkipPrefix);
return;
}
VkPhysicalDeviceFeatures2KHR features2 = {};
auto indexing_features = lvl_init_struct<VkPhysicalDeviceDescriptorIndexingFeaturesEXT>();
if (descriptor_indexing) {
PFN_vkGetPhysicalDeviceFeatures2KHR vkGetPhysicalDeviceFeatures2KHR =
(PFN_vkGetPhysicalDeviceFeatures2KHR)vk::GetInstanceProcAddr(instance(), "vkGetPhysicalDeviceFeatures2KHR");
ASSERT_TRUE(vkGetPhysicalDeviceFeatures2KHR != nullptr);
features2 = lvl_init_struct<VkPhysicalDeviceFeatures2KHR>(&indexing_features);
vkGetPhysicalDeviceFeatures2KHR(gpu(), &features2);
if (!indexing_features.runtimeDescriptorArray || !indexing_features.descriptorBindingSampledImageUpdateAfterBind ||
!indexing_features.descriptorBindingPartiallyBound || !indexing_features.descriptorBindingVariableDescriptorCount ||
!indexing_features.shaderSampledImageArrayNonUniformIndexing ||
!indexing_features.shaderStorageBufferArrayNonUniformIndexing) {
printf("Not all descriptor indexing features supported, skipping descriptor indexing tests\n");
descriptor_indexing = false;
}
}
VkCommandPoolCreateFlags pool_flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
ASSERT_NO_FATAL_FAILURE(InitState(nullptr, &features2, pool_flags));
if (m_device->props.apiVersion < VK_API_VERSION_1_1) {
printf("%s GPU-Assisted validation test requires Vulkan 1.1+.\n", kSkipPrefix);
return;
}
ASSERT_NO_FATAL_FAILURE(InitViewport());
ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
// Make a uniform buffer to be passed to the shader that contains the invalid array index.
uint32_t qfi = 0;
VkBufferCreateInfo bci = {};
bci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bci.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
bci.size = 1024;
bci.queueFamilyIndexCount = 1;
bci.pQueueFamilyIndices = &qfi;
VkBufferObj buffer0;
VkMemoryPropertyFlags mem_props = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
buffer0.init(*m_device, bci, mem_props);
bci.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
// Make another buffer to populate the buffer array to be indexed
VkBufferObj buffer1;
buffer1.init(*m_device, bci, mem_props);
void *layout_pnext = nullptr;
void *allocate_pnext = nullptr;
auto pool_create_flags = 0;
auto layout_create_flags = 0;
VkDescriptorBindingFlagsEXT ds_binding_flags[2] = {};
VkDescriptorSetLayoutBindingFlagsCreateInfoEXT layout_createinfo_binding_flags[1] = {};
if (descriptor_indexing) {
ds_binding_flags[0] = 0;
ds_binding_flags[1] = VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT | VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT_EXT;
layout_createinfo_binding_flags[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO_EXT;
layout_createinfo_binding_flags[0].pNext = NULL;
layout_createinfo_binding_flags[0].bindingCount = 2;
layout_createinfo_binding_flags[0].pBindingFlags = ds_binding_flags;
layout_create_flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT_EXT;
pool_create_flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT_EXT;
layout_pnext = layout_createinfo_binding_flags;
}
// Prepare descriptors
OneOffDescriptorSet descriptor_set(m_device,
{
{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 6, VK_SHADER_STAGE_ALL, nullptr},
},
layout_create_flags, layout_pnext, pool_create_flags);
VkDescriptorSetVariableDescriptorCountAllocateInfoEXT variable_count = {};
uint32_t desc_counts;
if (descriptor_indexing) {
layout_create_flags = 0;
pool_create_flags = 0;
ds_binding_flags[1] =
VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT | VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT_EXT;
desc_counts = 6; // We'll reserve 8 spaces in the layout, but the descriptor will only use 6
variable_count.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_VARIABLE_DESCRIPTOR_COUNT_ALLOCATE_INFO_EXT;
variable_count.descriptorSetCount = 1;
variable_count.pDescriptorCounts = &desc_counts;
allocate_pnext = &variable_count;
}
OneOffDescriptorSet descriptor_set_variable(m_device,
{
{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 8, VK_SHADER_STAGE_ALL, nullptr},
},
layout_create_flags, layout_pnext, pool_create_flags, allocate_pnext);
const VkPipelineLayoutObj pipeline_layout(m_device, {&descriptor_set.layout_});
const VkPipelineLayoutObj pipeline_layout_variable(m_device, {&descriptor_set_variable.layout_});
VkTextureObj texture(m_device, nullptr);
VkSamplerObj sampler(m_device);
VkDescriptorBufferInfo buffer_info[1] = {};
buffer_info[0].buffer = buffer0.handle();
buffer_info[0].offset = 0;
buffer_info[0].range = sizeof(uint32_t);
VkDescriptorImageInfo image_info[6] = {};
for (int i = 0; i < 6; i++) {
image_info[i] = texture.DescriptorImageInfo();
image_info[i].sampler = sampler.handle();
image_info[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
VkWriteDescriptorSet descriptor_writes[2] = {};
descriptor_writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptor_writes[0].dstSet = descriptor_set.set_; // descriptor_set;
descriptor_writes[0].dstBinding = 0;
descriptor_writes[0].descriptorCount = 1;
descriptor_writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptor_writes[0].pBufferInfo = buffer_info;
descriptor_writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptor_writes[1].dstSet = descriptor_set.set_; // descriptor_set;
descriptor_writes[1].dstBinding = 1;
if (descriptor_indexing)
descriptor_writes[1].descriptorCount = 5; // Intentionally don't write index 5
else
descriptor_writes[1].descriptorCount = 6;
descriptor_writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
descriptor_writes[1].pImageInfo = image_info;
vk::UpdateDescriptorSets(m_device->device(), 2, descriptor_writes, 0, NULL);
if (descriptor_indexing) {
descriptor_writes[0].dstSet = descriptor_set_variable.set_;
descriptor_writes[1].dstSet = descriptor_set_variable.set_;
vk::UpdateDescriptorSets(m_device->device(), 2, descriptor_writes, 0, NULL);
}
ds_binding_flags[0] = 0;
ds_binding_flags[1] = VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT;
// Resources for buffer tests
OneOffDescriptorSet descriptor_set_buffer(m_device,
{
{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr},
{1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 6, VK_SHADER_STAGE_ALL, nullptr},
},
0, layout_pnext, 0);
const VkPipelineLayoutObj pipeline_layout_buffer(m_device, {&descriptor_set_buffer.layout_});
VkDescriptorBufferInfo buffer_test_buffer_info[7] = {};
buffer_test_buffer_info[0].buffer = buffer0.handle();
buffer_test_buffer_info[0].offset = 0;
buffer_test_buffer_info[0].range = sizeof(uint32_t);
for (int i = 1; i < 7; i++) {
buffer_test_buffer_info[i].buffer = buffer1.handle();
buffer_test_buffer_info[i].offset = 0;
buffer_test_buffer_info[i].range = 4 * sizeof(float);
}
if (descriptor_indexing) {
VkWriteDescriptorSet buffer_descriptor_writes[2] = {};
buffer_descriptor_writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
buffer_descriptor_writes[0].dstSet = descriptor_set_buffer.set_; // descriptor_set;
buffer_descriptor_writes[0].dstBinding = 0;
buffer_descriptor_writes[0].descriptorCount = 1;
buffer_descriptor_writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
buffer_descriptor_writes[0].pBufferInfo = buffer_test_buffer_info;
buffer_descriptor_writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
buffer_descriptor_writes[1].dstSet = descriptor_set_buffer.set_; // descriptor_set;
buffer_descriptor_writes[1].dstBinding = 1;
buffer_descriptor_writes[1].descriptorCount = 5; // Intentionally don't write index 5
buffer_descriptor_writes[1].descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
buffer_descriptor_writes[1].pBufferInfo = &buffer_test_buffer_info[1];
vk::UpdateDescriptorSets(m_device->device(), 2, buffer_descriptor_writes, 0, NULL);
}
// Shader programs for array OOB test in vertex stage:
// - The vertex shader fetches the invalid index from the uniform buffer and uses it to make an invalid index into another
// array.
char const *vsSource_vert =
"#version 450\n"
"\n"
"layout(std140, set = 0, binding = 0) uniform foo { uint tex_index[1]; } uniform_index_buffer;\n"
"layout(set = 0, binding = 1) uniform sampler2D tex[6];\n"
"vec2 vertices[3];\n"
"void main(){\n"
" vertices[0] = vec2(-1.0, -1.0);\n"
" vertices[1] = vec2( 1.0, -1.0);\n"
" vertices[2] = vec2( 0.0, 1.0);\n"
" gl_Position = vec4(vertices[gl_VertexIndex % 3], 0.0, 1.0);\n"
" gl_Position += 1e-30 * texture(tex[uniform_index_buffer.tex_index[0]], vec2(0, 0));\n"
"}\n";
char const *fsSource_vert =
"#version 450\n"
"\n"
"layout(set = 0, binding = 1) uniform sampler2D tex[6];\n"
"layout(location = 0) out vec4 uFragColor;\n"
"void main(){\n"
" uFragColor = texture(tex[0], vec2(0, 0));\n"
"}\n";
// Shader programs for array OOB test in fragment stage:
// - The vertex shader fetches the invalid index from the uniform buffer and passes it to the fragment shader.
// - The fragment shader makes the invalid array access.
char const *vsSource_frag =
"#version 450\n"
"\n"
"layout(std140, binding = 0) uniform foo { uint tex_index[1]; } uniform_index_buffer;\n"
"layout(location = 0) out flat uint index;\n"
"vec2 vertices[3];\n"
"void main(){\n"
" vertices[0] = vec2(-1.0, -1.0);\n"
" vertices[1] = vec2( 1.0, -1.0);\n"
" vertices[2] = vec2( 0.0, 1.0);\n"
" gl_Position = vec4(vertices[gl_VertexIndex % 3], 0.0, 1.0);\n"
" index = uniform_index_buffer.tex_index[0];\n"
"}\n";
char const *fsSource_frag =
"#version 450\n"
"\n"
"layout(set = 0, binding = 1) uniform sampler2D tex[6];\n"
"layout(location = 0) out vec4 uFragColor;\n"
"layout(location = 0) in flat uint index;\n"
"void main(){\n"
" uFragColor = texture(tex[index], vec2(0, 0));\n"
"}\n";
char const *fsSource_frag_runtime =
"#version 450\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n"
"\n"
"layout(set = 0, binding = 1) uniform sampler2D tex[];\n"
"layout(location = 0) out vec4 uFragColor;\n"
"layout(location = 0) in flat uint index;\n"
"void main(){\n"
" uFragColor = texture(tex[index], vec2(0, 0));\n"
"}\n";
char const *fsSource_buffer =
"#version 450\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n "
"\n"
"layout(set = 0, binding = 1) buffer foo { vec4 val; } colors[];\n"
"layout(location = 0) out vec4 uFragColor;\n"
"layout(location = 0) in flat uint index;\n"
"void main(){\n"
" uFragColor = colors[index].val;\n"
"}\n";
char const *gsSource =
"#version 450\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n "
"layout(triangles) in;\n"
"layout(triangle_strip, max_vertices=3) out;\n"
"layout(location=0) in VertexData { vec4 x; } gs_in[];\n"
"layout(std140, set = 0, binding = 0) uniform ufoo { uint index; } uniform_index_buffer;\n"
"layout(set = 0, binding = 1) buffer bfoo { vec4 val; } adds[];\n"
"void main() {\n"
" gl_Position = gs_in[0].x + adds[uniform_index_buffer.index].val.x;\n"
" EmitVertex();\n"
"}\n";
static const char *tesSource =
"#version 450\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n "
"layout(std140, set = 0, binding = 0) uniform ufoo { uint index; } uniform_index_buffer;\n"
"layout(set = 0, binding = 1) buffer bfoo { vec4 val; } adds[];\n"
"layout(triangles, equal_spacing, cw) in;\n"
"void main() {\n"
" gl_Position = adds[uniform_index_buffer.index].val;\n"
"}\n";
struct TestCase {
char const *vertex_source;
char const *fragment_source;
char const *geometry_source;
char const *tess_ctrl_source;
char const *tess_eval_source;
bool debug;
const VkPipelineLayoutObj *pipeline_layout;
const OneOffDescriptorSet *descriptor_set;
uint32_t index;
char const *expected_error;
};
std::vector<TestCase> tests;
tests.push_back({vsSource_vert, fsSource_vert, nullptr, nullptr, nullptr, false, &pipeline_layout, &descriptor_set, 25,
"Index of 25 used to index descriptor array of length 6."});
tests.push_back({vsSource_frag, fsSource_frag, nullptr, nullptr, nullptr, false, &pipeline_layout, &descriptor_set, 25,
"Index of 25 used to index descriptor array of length 6."});
#if !defined(ANDROID)
// The Android test framework uses shaderc for online compilations. Even when configured to compile with debug info,
// shaderc seems to drop the OpLine instructions from the shader binary. This causes the following two tests to fail
// on Android platforms. Skip these tests until the shaderc issue is understood/resolved.
tests.push_back({vsSource_vert, fsSource_vert, nullptr, nullptr, nullptr, true, &pipeline_layout, &descriptor_set, 25,
"gl_Position += 1e-30 * texture(tex[uniform_index_buffer.tex_index[0]], vec2(0, 0));"});
tests.push_back({vsSource_frag, fsSource_frag, nullptr, nullptr, nullptr, true, &pipeline_layout, &descriptor_set, 25,
"uFragColor = texture(tex[index], vec2(0, 0));"});
#endif
if (descriptor_indexing) {
tests.push_back({vsSource_frag, fsSource_frag_runtime, nullptr, nullptr, nullptr, false, &pipeline_layout, &descriptor_set,
25, "Index of 25 used to index descriptor array of length 6."});
tests.push_back({vsSource_frag, fsSource_frag_runtime, nullptr, nullptr, nullptr, false, &pipeline_layout, &descriptor_set,
5, "Descriptor index 5 is uninitialized"});
// Pick 6 below because it is less than the maximum specified, but more than the actual specified
tests.push_back({vsSource_frag, fsSource_frag_runtime, nullptr, nullptr, nullptr, false, &pipeline_layout_variable,
&descriptor_set_variable, 6, "Index of 6 used to index descriptor array of length 6."});
tests.push_back({vsSource_frag, fsSource_frag_runtime, nullptr, nullptr, nullptr, false, &pipeline_layout_variable,
&descriptor_set_variable, 5, "Descriptor index 5 is uninitialized"});
tests.push_back({vsSource_frag, fsSource_buffer, nullptr, nullptr, nullptr, false, &pipeline_layout_buffer,
&descriptor_set_buffer, 25, "Index of 25 used to index descriptor array of length 6."});
tests.push_back({vsSource_frag, fsSource_buffer, nullptr, nullptr, nullptr, false, &pipeline_layout_buffer,
&descriptor_set_buffer, 5, "Descriptor index 5 is uninitialized"});
if (m_device->phy().features().geometryShader) {
// OOB Geometry
tests.push_back({bindStateVertShaderText, bindStateFragShaderText, gsSource, nullptr, nullptr, false,
&pipeline_layout_buffer, &descriptor_set_buffer, 25, "Stage = Geometry"});
// Uninitialized Geometry
tests.push_back({bindStateVertShaderText, bindStateFragShaderText, gsSource, nullptr, nullptr, false,
&pipeline_layout_buffer, &descriptor_set_buffer, 5, "Stage = Geometry"});
}
if (m_device->phy().features().tessellationShader) {
tests.push_back({bindStateVertShaderText, bindStateFragShaderText, nullptr, bindStateTscShaderText, tesSource, false,
&pipeline_layout_buffer, &descriptor_set_buffer, 25, "Stage = Tessellation Eval"});
tests.push_back({bindStateVertShaderText, bindStateFragShaderText, nullptr, bindStateTscShaderText, tesSource, false,
&pipeline_layout_buffer, &descriptor_set_buffer, 5, "Stage = Tessellation Eval"});
}
}
VkViewport viewport = m_viewports[0];
VkRect2D scissors = m_scissors[0];
VkSubmitInfo submit_info = {};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &m_commandBuffer->handle();
for (const auto &iter : tests) {
VkResult err;
m_errorMonitor->SetDesiredFailureMsg(kErrorBit, iter.expected_error);
VkShaderObj vs(m_device, iter.vertex_source, VK_SHADER_STAGE_VERTEX_BIT, this, "main", iter.debug);
VkShaderObj fs(m_device, iter.fragment_source, VK_SHADER_STAGE_FRAGMENT_BIT, this, "main", iter.debug);
VkShaderObj *gs = nullptr;
VkShaderObj *tcs = nullptr;
VkShaderObj *tes = nullptr;
VkPipelineObj pipe(m_device);
pipe.AddShader(&vs);
pipe.AddShader(&fs);
if (iter.geometry_source) {
gs = new VkShaderObj(m_device, iter.geometry_source, VK_SHADER_STAGE_GEOMETRY_BIT, this, "main", iter.debug);
pipe.AddShader(gs);
}
if (iter.tess_ctrl_source && iter.tess_eval_source) {
tcs = new VkShaderObj(m_device, iter.tess_ctrl_source, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, this, "main",
iter.debug);
tes = new VkShaderObj(m_device, iter.tess_eval_source, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, this, "main",
iter.debug);
pipe.AddShader(tcs);
pipe.AddShader(tes);
VkPipelineInputAssemblyStateCreateInfo iasci{VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, nullptr, 0,
VK_PRIMITIVE_TOPOLOGY_PATCH_LIST, VK_FALSE};
VkPipelineTessellationDomainOriginStateCreateInfo tessellationDomainOriginStateInfo = {
VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO, VK_NULL_HANDLE,
VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT};
VkPipelineTessellationStateCreateInfo tsci{VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO,
&tessellationDomainOriginStateInfo, 0, 3};
pipe.SetTessellation(&tsci);
pipe.SetInputAssembly(&iasci);
}
pipe.AddDefaultColorAttachment();
err = pipe.CreateVKPipeline(iter.pipeline_layout->handle(), renderPass());
ASSERT_VK_SUCCESS(err);
m_commandBuffer->begin();
m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);
vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.handle());
vk::CmdBindDescriptorSets(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, iter.pipeline_layout->handle(), 0, 1,
&iter.descriptor_set->set_, 0, nullptr);
vk::CmdSetViewport(m_commandBuffer->handle(), 0, 1, &viewport);
vk::CmdSetScissor(m_commandBuffer->handle(), 0, 1, &scissors);
vk::CmdDraw(m_commandBuffer->handle(), 3, 1, 0, 0);
vk::CmdEndRenderPass(m_commandBuffer->handle());
m_commandBuffer->end();
uint32_t *data = (uint32_t *)buffer0.memory().map();
data[0] = iter.index;
buffer0.memory().unmap();
vk::QueueSubmit(m_device->m_queue, 1, &submit_info, VK_NULL_HANDLE);
vk::QueueWaitIdle(m_device->m_queue);
m_errorMonitor->VerifyFound();
if (gs) {
delete gs;
}
if (tcs && tes) {
delete tcs;
delete tes;
}
}
auto c_queue = m_device->GetDefaultComputeQueue();
if (c_queue && descriptor_indexing) {
char const *csSource =
"#version 450\n"
"#extension GL_EXT_nonuniform_qualifier : enable\n "
"layout(set = 0, binding = 0) uniform ufoo { uint index; } u_index;"
"layout(set = 0, binding = 1) buffer StorageBuffer {\n"
" uint data;\n"
"} Data[];\n"
"void main() {\n"
" Data[(u_index.index - 1)].data = Data[u_index.index].data;\n"
"}\n";
auto shader_module = new VkShaderObj(m_device, csSource, VK_SHADER_STAGE_COMPUTE_BIT, this);
VkPipelineShaderStageCreateInfo stage;
stage.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
stage.pNext = nullptr;
stage.flags = 0;
stage.stage = VK_SHADER_STAGE_COMPUTE_BIT;
stage.module = shader_module->handle();
stage.pName = "main";
stage.pSpecializationInfo = nullptr;
// CreateComputePipelines
VkComputePipelineCreateInfo pipeline_info = {};
pipeline_info.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
pipeline_info.pNext = nullptr;
pipeline_info.flags = 0;
pipeline_info.layout = pipeline_layout_buffer.handle();
pipeline_info.basePipelineHandle = VK_NULL_HANDLE;
pipeline_info.basePipelineIndex = -1;
pipeline_info.stage = stage;
VkPipeline c_pipeline;
vk::CreateComputePipelines(device(), VK_NULL_HANDLE, 1, &pipeline_info, nullptr, &c_pipeline);
VkCommandBufferBeginInfo begin_info = {};
VkCommandBufferInheritanceInfo hinfo = {};
hinfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO;
begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
begin_info.pInheritanceInfo = &hinfo;
m_commandBuffer->begin(&begin_info);
vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_COMPUTE, c_pipeline);
vk::CmdBindDescriptorSets(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_COMPUTE, pipeline_layout_buffer.handle(), 0, 1,
&descriptor_set_buffer.set_, 0, nullptr);
vk::CmdDispatch(m_commandBuffer->handle(), 1, 1, 1);
m_commandBuffer->end();
// Uninitialized
uint32_t *data = (uint32_t *)buffer0.memory().map();
data[0] = 5;
buffer0.memory().unmap();
m_errorMonitor->SetDesiredFailureMsg(kErrorBit, "Stage = Compute");
vk::QueueSubmit(c_queue->handle(), 1, &submit_info, VK_NULL_HANDLE);
vk::QueueWaitIdle(m_device->m_queue);
m_errorMonitor->VerifyFound();
// Out of Bounds
data = (uint32_t *)buffer0.memory().map();
data[0] = 25;
buffer0.memory().unmap();
m_errorMonitor->SetDesiredFailureMsg(kErrorBit, "Stage = Compute");
vk::QueueSubmit(c_queue->handle(), 1, &submit_info, VK_NULL_HANDLE);
vk::QueueWaitIdle(m_device->m_queue);
m_errorMonitor->VerifyFound();
vk::DestroyPipeline(m_device->handle(), c_pipeline, NULL);
vk::DestroyShaderModule(m_device->handle(), shader_module->handle(), NULL);
}
return;
}
TEST_F(VkLayerTest, GpuBufferDeviceAddressOOB) {
bool supported = InstanceExtensionSupported(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
m_instance_extension_names.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
VkValidationFeatureEnableEXT enables[] = {VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT};
VkValidationFeaturesEXT features = {};
features.sType = VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT;
features.enabledValidationFeatureCount = 1;
features.pEnabledValidationFeatures = enables;
InitFramework(m_errorMonitor, &features);
if (DeviceIsMockICD() || DeviceSimulation()) {
printf("%s GPU-Assisted validation test requires a driver that can draw.\n", kSkipPrefix);
return;
}
supported = supported && DeviceExtensionSupported(gpu(), nullptr, VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME);
m_device_extension_names.push_back(VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME);
VkPhysicalDeviceFeatures2KHR features2 = {};
auto bda_features = lvl_init_struct<VkPhysicalDeviceBufferDeviceAddressFeaturesKHR>();
PFN_vkGetPhysicalDeviceFeatures2KHR vkGetPhysicalDeviceFeatures2KHR =
(PFN_vkGetPhysicalDeviceFeatures2KHR)vk::GetInstanceProcAddr(instance(), "vkGetPhysicalDeviceFeatures2KHR");
ASSERT_TRUE(vkGetPhysicalDeviceFeatures2KHR != nullptr);
features2 = lvl_init_struct<VkPhysicalDeviceFeatures2KHR>(&bda_features);
vkGetPhysicalDeviceFeatures2KHR(gpu(), &features2);
supported = supported && bda_features.bufferDeviceAddress;
if (!supported) {
printf("%s Buffer Device Address feature not supported, skipping test\n", kSkipPrefix);
return;
}
VkCommandPoolCreateFlags pool_flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
ASSERT_NO_FATAL_FAILURE(InitState(nullptr, &features2, pool_flags));
if (m_device->props.apiVersion < VK_API_VERSION_1_1) {
printf("%s GPU-Assisted validation test requires Vulkan 1.1+.\n", kSkipPrefix);
return;
}
ASSERT_NO_FATAL_FAILURE(InitViewport());
ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
// Make a uniform buffer to be passed to the shader that contains the pointer and write count
uint32_t qfi = 0;
VkBufferCreateInfo bci = {};
bci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bci.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
bci.size = 8;
bci.queueFamilyIndexCount = 1;
bci.pQueueFamilyIndices = &qfi;
VkBufferObj buffer0;
VkMemoryPropertyFlags mem_props = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;
buffer0.init(*m_device, bci, mem_props);
// Make another buffer to write to
bci.usage = VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT_KHR;
bci.size = 64; // Buffer should be 16*4 = 64 bytes
VkBuffer buffer1;
vk::CreateBuffer(device(), &bci, NULL, &buffer1);
VkMemoryRequirements buffer_mem_reqs = {};
vk::GetBufferMemoryRequirements(device(), buffer1, &buffer_mem_reqs);
VkMemoryAllocateInfo buffer_alloc_info = {};
buffer_alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
buffer_alloc_info.allocationSize = buffer_mem_reqs.size;
m_device->phy().set_memory_type(buffer_mem_reqs.memoryTypeBits, &buffer_alloc_info, 0);
VkMemoryAllocateFlagsInfo alloc_flags = {VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_FLAGS_INFO};
alloc_flags.flags = VK_MEMORY_ALLOCATE_DEVICE_ADDRESS_BIT_KHR;
buffer_alloc_info.pNext = &alloc_flags;
VkDeviceMemory buffer_mem;
VkResult err = vk::AllocateMemory(device(), &buffer_alloc_info, NULL, &buffer_mem);
ASSERT_VK_SUCCESS(err);
vk::BindBufferMemory(m_device->device(), buffer1, buffer_mem, 0);
// Get device address of buffer to write to
VkBufferDeviceAddressInfoKHR bda_info = {};
bda_info.sType = VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO_KHR;
bda_info.buffer = buffer1;
auto vkGetBufferDeviceAddressKHR =
(PFN_vkGetBufferDeviceAddressKHR)vk::GetDeviceProcAddr(m_device->device(), "vkGetBufferDeviceAddressKHR");
ASSERT_TRUE(vkGetBufferDeviceAddressKHR != nullptr);
auto pBuffer = vkGetBufferDeviceAddressKHR(m_device->device(), &bda_info);
OneOffDescriptorSet descriptor_set(m_device, {{0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_ALL, nullptr}});
const VkPipelineLayoutObj pipeline_layout(m_device, {&descriptor_set.layout_});
VkDescriptorBufferInfo buffer_test_buffer_info[2] = {};
buffer_test_buffer_info[0].buffer = buffer0.handle();
buffer_test_buffer_info[0].offset = 0;
buffer_test_buffer_info[0].range = sizeof(uint32_t);
VkWriteDescriptorSet descriptor_writes[1] = {};
descriptor_writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptor_writes[0].dstSet = descriptor_set.set_;
descriptor_writes[0].dstBinding = 0;
descriptor_writes[0].descriptorCount = 1;
descriptor_writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptor_writes[0].pBufferInfo = buffer_test_buffer_info;
vk::UpdateDescriptorSets(m_device->device(), 1, descriptor_writes, 0, NULL);
char const *shader_source =
"#version 450\n"
"#extension GL_EXT_buffer_reference : enable\n "
"layout(buffer_reference, buffer_reference_align = 16) buffer bufStruct;\n"
"layout(set = 0, binding = 0) uniform ufoo {\n"
" bufStruct data;\n"
" int nWrites;\n"
"} u_info;\n"
"layout(buffer_reference, std140) buffer bufStruct {\n"
" int a[4];\n"
"};\n"
"void main() {\n"
" for (int i=0; i < u_info.nWrites; ++i) {\n"
" u_info.data.a[i] = 0xdeadca71;\n"
" }\n"
"}\n";
VkShaderObj vs(m_device, shader_source, VK_SHADER_STAGE_VERTEX_BIT, this, "main", true);
VkViewport viewport = m_viewports[0];
VkRect2D scissors = m_scissors[0];
VkSubmitInfo submit_info = {};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &m_commandBuffer->handle();
VkPipelineObj pipe(m_device);
pipe.AddShader(&vs);
pipe.AddDefaultColorAttachment();
err = pipe.CreateVKPipeline(pipeline_layout.handle(), renderPass());
ASSERT_VK_SUCCESS(err);
VkCommandBufferBeginInfo begin_info = {};
VkCommandBufferInheritanceInfo hinfo = {};
hinfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO;
begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
begin_info.pInheritanceInfo = &hinfo;
m_commandBuffer->begin(&begin_info);
m_commandBuffer->BeginRenderPass(m_renderPassBeginInfo);
vk::CmdBindPipeline(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipe.handle());
vk::CmdBindDescriptorSets(m_commandBuffer->handle(), VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout.handle(), 0, 1,
&descriptor_set.set_, 0, nullptr);
vk::CmdSetViewport(m_commandBuffer->handle(), 0, 1, &viewport);
vk::CmdSetScissor(m_commandBuffer->handle(), 0, 1, &scissors);
vk::CmdDraw(m_commandBuffer->handle(), 3, 1, 0, 0);
vk::CmdEndRenderPass(m_commandBuffer->handle());
m_commandBuffer->end();
// Starting address too low
VkDeviceAddress *data = (VkDeviceAddress *)buffer0.memory().map();
data[0] = pBuffer - 16;
data[1] = 4;
buffer0.memory().unmap();
m_errorMonitor->SetDesiredFailureMsg(kErrorBit, "access out of bounds");
err = vk::QueueSubmit(m_device->m_queue, 1, &submit_info, VK_NULL_HANDLE);
ASSERT_VK_SUCCESS(err);
err = vk::QueueWaitIdle(m_device->m_queue);
ASSERT_VK_SUCCESS(err);
m_errorMonitor->VerifyFound();
// Run past the end
data = (VkDeviceAddress *)buffer0.memory().map();
data[0] = pBuffer;
data[1] = 5;
buffer0.memory().unmap();
m_errorMonitor->SetDesiredFailureMsg(kErrorBit, "access out of bounds");
err = vk::QueueSubmit(m_device->m_queue, 1, &submit_info, VK_NULL_HANDLE);
ASSERT_VK_SUCCESS(err);
err = vk::QueueWaitIdle(m_device->m_queue);
ASSERT_VK_SUCCESS(err);
m_errorMonitor->VerifyFound();
// Positive test - stay inside buffer
m_errorMonitor->ExpectSuccess();
data = (VkDeviceAddress *)buffer0.memory().map();
data[0] = pBuffer;
data[1] = 4;
buffer0.memory().unmap();
err = vk::QueueSubmit(m_device->m_queue, 1, &submit_info, VK_NULL_HANDLE);
ASSERT_VK_SUCCESS(err);
err = vk::QueueWaitIdle(m_device->m_queue);
ASSERT_VK_SUCCESS(err);
m_errorMonitor->VerifyNotFound();
vk::DestroyBuffer(m_device->handle(), buffer1, NULL);
vk::FreeMemory(m_device->handle(), buffer_mem, NULL);
}
TEST_F(VkLayerTest, GpuValidationArrayOOBRayTracingShaders) {
TEST_DESCRIPTION(
"GPU validation: Verify detection of out-of-bounds descriptor array indexing and use of uninitialized descriptors for "
"ray tracing shaders.");
std::array<const char *, 1> required_instance_extensions = {{VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME}};
for (auto instance_extension : required_instance_extensions) {
if (InstanceExtensionSupported(instance_extension)) {
m_instance_extension_names.push_back(instance_extension);
} else {
printf("%s Did not find required instance extension %s; skipped.\n", kSkipPrefix, instance_extension);
return;
}
}
VkValidationFeatureEnableEXT validation_feature_enables[] = {VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT};
VkValidationFeaturesEXT validation_features = {};
validation_features.sType = VK_STRUCTURE_TYPE_VALIDATION_FEATURES_EXT;
validation_features.enabledValidationFeatureCount = 1;
validation_features.pEnabledValidationFeatures = validation_feature_enables;
bool descriptor_indexing = CheckDescriptorIndexingSupportAndInitFramework(
this, m_instance_extension_names, m_device_extension_names, &validation_features, m_errorMonitor);
if (DeviceIsMockICD() || DeviceSimulation()) {
printf("%s Test not supported by MockICD, skipping tests\n", kSkipPrefix);
return;
}
std::array<const char *, 2> required_device_extensions = {
{VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME, VK_NV_RAY_TRACING_EXTENSION_NAME}};
for (auto device_extension : required_device_extensions) {
if (DeviceExtensionSupported(gpu(), nullptr, device_extension)) {
m_device_extension_names.push_back(device_extension);
} else {
printf("%s %s Extension not supported, skipping tests\n", kSkipPrefix, device_extension);
return;
}
}
VkPhysicalDeviceFeatures2KHR features2 = {};
auto indexing_features = lvl_init_struct<VkPhysicalDeviceDescriptorIndexingFeaturesEXT>();
if (descriptor_indexing) {
PFN_vkGetPhysicalDeviceFeatures2KHR vkGetPhysicalDeviceFeatures2KHR =
(PFN_vkGetPhysicalDeviceFeatures2KHR)vk::GetInstanceProcAddr(instance(), "vkGetPhysicalDeviceFeatures2KHR");
ASSERT_TRUE(vkGetPhysicalDeviceFeatures2KHR != nullptr);
features2 = lvl_init_struct<VkPhysicalDeviceFeatures2KHR>(&indexing_features);
vkGetPhysicalDeviceFeatures2KHR(gpu(), &features2);
if (!indexing_features.runtimeDescriptorArray || !indexing_features.descriptorBindingPartiallyBound ||
!indexing_features.descriptorBindingSampledImageUpdateAfterBind ||
!indexing_features.descriptorBindingVariableDescriptorCount) {
printf("Not all descriptor indexing features supported, skipping descriptor indexing tests\n");
descriptor_indexing = false;
}
}
VkCommandPoolCreateFlags pool_flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
ASSERT_NO_FATAL_FAILURE(InitState(nullptr, &features2, pool_flags));
PFN_vkGetPhysicalDeviceProperties2KHR vkGetPhysicalDeviceProperties2KHR =
(PFN_vkGetPhysicalDeviceProperties2KHR)vk::GetInstanceProcAddr(instance(), "vkGetPhysicalDeviceProperties2KHR");
ASSERT_TRUE(vkGetPhysicalDeviceProperties2KHR != nullptr);
auto ray_tracing_properties = lvl_init_struct<VkPhysicalDeviceRayTracingPropertiesNV>();
auto properties2 = lvl_init_struct<VkPhysicalDeviceProperties2KHR>(&ray_tracing_properties);
vkGetPhysicalDeviceProperties2KHR(gpu(), &properties2);
if (ray_tracing_properties.maxTriangleCount == 0) {
printf("%s Did not find required ray tracing properties; skipped.\n", kSkipPrefix);
return;
}
VkQueue ray_tracing_queue = m_device->m_queue;
uint32_t ray_tracing_queue_family_index = 0;
// If supported, run on the compute only queue.
uint32_t compute_only_queue_family_index = m_device->QueueFamilyMatching(VK_QUEUE_COMPUTE_BIT, VK_QUEUE_GRAPHICS_BIT);
if (compute_only_queue_family_index != UINT32_MAX) {
const auto &compute_only_queues = m_device->queue_family_queues(compute_only_queue_family_index);
if (!compute_only_queues.empty()) {
ray_tracing_queue = compute_only_queues[0]->handle();
ray_tracing_queue_family_index = compute_only_queue_family_index;
}
}
VkCommandPoolObj ray_tracing_command_pool(m_device, ray_tracing_queue_family_index,
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT);
VkCommandBufferObj ray_tracing_command_buffer(m_device, &ray_tracing_command_pool);
struct AABB {
float min_x;
float min_y;
float min_z;
float max_x;
float max_y;
float max_z;
};
const std::vector<AABB> aabbs = {{-1.0f, -1.0f, -1.0f, +1.0f, +1.0f, +1.0f}};
struct VkGeometryInstanceNV {
float transform[12];
uint32_t instanceCustomIndex : 24;
uint32_t mask : 8;
uint32_t instanceOffset : 24;
uint32_t flags : 8;
uint64_t accelerationStructureHandle;
};
VkDeviceSize aabb_buffer_size = sizeof(AABB) * aabbs.size();
VkBufferObj aabb_buffer;
aabb_buffer.init(*m_device, aabb_buffer_size, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
VK_BUFFER_USAGE_RAY_TRACING_BIT_NV, {ray_tracing_queue_family_index});
uint8_t *mapped_aabb_buffer_data = (uint8_t *)aabb_buffer.memory().map();
std::memcpy(mapped_aabb_buffer_data, (uint8_t *)aabbs.data(), static_cast<std::size_t>(aabb_buffer_size));
aabb_buffer.memory().unmap();
VkGeometryNV geometry = {};
geometry.sType = VK_STRUCTURE_TYPE_GEOMETRY_NV;
geometry.geometryType = VK_GEOMETRY_TYPE_AABBS_NV;
geometry.geometry.triangles = {};
geometry.geometry.triangles.sType = VK_STRUCTURE_TYPE_GEOMETRY_TRIANGLES_NV;
geometry.geometry.aabbs = {};
geometry.geometry.aabbs.sType = VK_STRUCTURE_TYPE_GEOMETRY_AABB_NV;
geometry.geometry.aabbs.aabbData = aabb_buffer.handle();
geometry.geometry.aabbs.numAABBs = static_cast<uint32_t>(aabbs.size());
geometry.geometry.aabbs.offset = 0;
geometry.geometry.aabbs.stride = static_cast<VkDeviceSize>(sizeof(AABB));
geometry.flags = 0;
VkAccelerationStructureInfoNV bot_level_as_info = {};
bot_level_as_info.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_INFO_NV;
bot_level_as_info.type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_NV;
bot_level_as_info.instanceCount = 0;
bot_level_as_info.geometryCount = 1;
bot_level_as_info.pGeometries = &geometry;
VkAccelerationStructureCreateInfoNV bot_level_as_create_info = {};
bot_level_as_create_info.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_NV;
bot_level_as_create_info.info = bot_level_as_info;
VkAccelerationStructureObj bot_level_as(*m_device, bot_level_as_create_info);
const std::vector<VkGeometryInstanceNV> instances = {
VkGeometryInstanceNV{
{
// clang-format off
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
// clang-format on
},
0,
0xFF,
0,
VK_GEOMETRY_INSTANCE_TRIANGLE_CULL_DISABLE_BIT_NV,
bot_level_as.opaque_handle(),
},
};
VkDeviceSize instance_buffer_size = sizeof(VkGeometryInstanceNV) * instances.size();
VkBufferObj instance_buffer;
instance_buffer.init(*m_device, instance_buffer_size,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
VK_BUFFER_USAGE_RAY_TRACING_BIT_NV, {ray_tracing_queue_family_index});
uint8_t *mapped_instance_buffer_data = (uint8_t *)instance_buffer.memory().map();
std::memcpy(mapped_instance_buffer_data, (uint8_t *)instances.data(), static_cast<std::size_t>(instance_buffer_size));
instance_buffer.memory().unmap();
VkAccelerationStructureInfoNV top_level_as_info = {};
top_level_as_info.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_INFO_NV;
top_level_as_info.type = VK_ACCELERATION_STRUCTURE_TYPE_TOP_LEVEL_NV;
top_level_as_info.instanceCount = 1;
top_level_as_info.geometryCount = 0;
VkAccelerationStructureCreateInfoNV top_level_as_create_info = {};
top_level_as_create_info.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_NV;
top_level_as_create_info.info = top_level_as_info;
VkAccelerationStructureObj top_level_as(*m_device, top_level_as_create_info);
VkDeviceSize scratch_buffer_size = std::max(bot_level_as.build_scratch_memory_requirements().memoryRequirements.size,
top_level_as.build_scratch_memory_requirements().memoryRequirements.size);
VkBufferObj scratch_buffer;
scratch_buffer.init(*m_device, scratch_buffer_size, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, VK_BUFFER_USAGE_RAY_TRACING_BIT_NV);
ray_tracing_command_buffer.begin();
// Build bot level acceleration structure
ray_tracing_command_buffer.BuildAccelerationStructure(&bot_level_as, scratch_buffer.handle());
// Barrier to prevent using scratch buffer for top level build before bottom level build finishes
VkMemoryBarrier memory_barrier = {};
memory_barrier.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
memory_barrier.srcAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_NV | VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_NV;
memory_barrier.dstAccessMask = VK_ACCESS_ACCELERATION_STRUCTURE_READ_BIT_NV | VK_ACCESS_ACCELERATION_STRUCTURE_WRITE_BIT_NV;
ray_tracing_command_buffer.PipelineBarrier(VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_NV,
VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_NV, 0, 1, &memory_barrier, 0,
nullptr, 0, nullptr);
// Build top level acceleration structure
ray_tracing_command_buffer.BuildAccelerationStructure(&top_level_as, scratch_buffer.handle(), instance_buffer.handle());
ray_tracing_command_buffer.end();
VkSubmitInfo submit_info = {};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &ray_tracing_command_buffer.handle();
vk::QueueSubmit(ray_tracing_queue, 1, &submit_info, VK_NULL_HANDLE);
vk::QueueWaitIdle(ray_tracing_queue);
m_errorMonitor->VerifyNotFound();
VkTextureObj texture(m_device, nullptr);
VkSamplerObj sampler(m_device);
VkDeviceSize storage_buffer_size = 1024;
VkBufferObj storage_buffer;
storage_buffer.init(*m_device, storage_buffer_size, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, {ray_tracing_queue_family_index});
VkDeviceSize shader_binding_table_buffer_size = ray_tracing_properties.shaderGroupHandleSize * 4ull;
VkBufferObj shader_binding_table_buffer;
shader_binding_table_buffer.init(*m_device, shader_binding_table_buffer_size,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
VK_BUFFER_USAGE_RAY_TRACING_BIT_NV, {ray_tracing_queue_family_index});
// Setup descriptors!
const VkShaderStageFlags kAllRayTracingStages = VK_SHADER_STAGE_RAYGEN_BIT_NV | VK_SHADER_STAGE_ANY_HIT_BIT_NV |
VK_SHADER_STAGE_CLOSEST_HIT_BIT_NV | VK_SHADER_STAGE_MISS_BIT_NV |
VK_SHADER_STAGE_INTERSECTION_BIT_NV | VK_SHADER_STAGE_CALLABLE_BIT_NV;
void *layout_pnext = nullptr;
void *allocate_pnext = nullptr;
VkDescriptorPoolCreateFlags pool_create_flags = 0;
VkDescriptorSetLayoutCreateFlags layout_create_flags = 0;
VkDescriptorBindingFlagsEXT ds_binding_flags[3] = {};
VkDescriptorSetLayoutBindingFlagsCreateInfoEXT layout_createinfo_binding_flags[1] = {};
if (descriptor_indexing) {
ds_binding_flags[0] = 0;
ds_binding_flags[1] = 0;
ds_binding_flags[2] = VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT | VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT_EXT;
layout_createinfo_binding_flags[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO_EXT;
layout_createinfo_binding_flags[0].pNext = NULL;
layout_createinfo_binding_flags[0].bindingCount = 3;
layout_createinfo_binding_flags[0].pBindingFlags = ds_binding_flags;
layout_create_flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT_EXT;
pool_create_flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT_EXT;
layout_pnext = layout_createinfo_binding_flags;
}
// Prepare descriptors
OneOffDescriptorSet ds(m_device,
{
{0, VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_NV, 1, kAllRayTracingStages, nullptr},
{1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, kAllRayTracingStages, nullptr},
{2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 6, kAllRayTracingStages, nullptr},
},
layout_create_flags, layout_pnext, pool_create_flags);
VkDescriptorSetVariableDescriptorCountAllocateInfoEXT variable_count = {};
uint32_t desc_counts;
if (descriptor_indexing) {
layout_create_flags = 0;
pool_create_flags = 0;
ds_binding_flags[2] =
VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT_EXT | VK_DESCRIPTOR_BINDING_VARIABLE_DESCRIPTOR_COUNT_BIT_EXT;
desc_counts = 6; // We'll reserve 8 spaces in the layout, but the descriptor will only use 6
variable_count.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_VARIABLE_DESCRIPTOR_COUNT_ALLOCATE_INFO_EXT;
variable_count.descriptorSetCount = 1;
variable_count.pDescriptorCounts = &desc_counts;
allocate_pnext = &variable_count;
}
OneOffDescriptorSet ds_variable(m_device,
{
{0, VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_NV, 1, kAllRayTracingStages, nullptr},
{1, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, kAllRayTracingStages, nullptr},
{2, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 8, kAllRayTracingStages, nullptr},
},
layout_create_flags, layout_pnext, pool_create_flags, allocate_pnext);
VkAccelerationStructureNV top_level_as_handle = top_level_as.handle();
VkWriteDescriptorSetAccelerationStructureNV write_descript_set_as = {};
write_descript_set_as.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET_ACCELERATION_STRUCTURE_NV;
write_descript_set_as.accelerationStructureCount = 1;
write_descript_set_as.pAccelerationStructures = &top_level_as_handle;
VkDescriptorBufferInfo descriptor_buffer_info = {};
descriptor_buffer_info.buffer = storage_buffer.handle();
descriptor_buffer_info.offset = 0;
descriptor_buffer_info.range = storage_buffer_size;
VkDescriptorImageInfo descriptor_image_infos[6] = {};
for (int i = 0; i < 6; i++) {
descriptor_image_infos[i] = texture.DescriptorImageInfo();
descriptor_image_infos[i].sampler = sampler.handle();
descriptor_image_infos[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
VkWriteDescriptorSet descriptor_writes[3] = {};
descriptor_writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptor_writes[0].dstSet = ds.set_;