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|
/* Copyright (c) 2024-2026 The Khronos Group Inc.
* Copyright (c) 2024-2026 Valve Corporation
* Copyright (c) 2024-2026 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../framework/layer_validation_tests.h"
#include "../framework/descriptor_helper.h"
#include "../framework/ray_tracing_objects.h"
// Positive tests for VK_EXT_ray_tracing_invocation_reorder hit object operations
void GpuAVRayHitObjectTest::InitHitObjectTest(std::vector<VkLayerSettingEXT> layer_settings) {
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME);
AddRequiredExtensions(VK_EXT_RAY_TRACING_INVOCATION_REORDER_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::rayTracingPipeline);
AddRequiredFeature(vkt::Feature::rayTracingInvocationReorder);
AddRequiredFeature(vkt::Feature::rayTraversalPrimitiveCulling);
AddRequiredFeature(vkt::Feature::accelerationStructure);
AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
RETURN_IF_SKIP(InitGpuAvFramework(layer_settings));
RETURN_IF_SKIP(InitState());
}
void GpuAVRayHitObjectTest::InitHitObjectMotionTest(std::vector<VkLayerSettingEXT> layer_settings) {
SetTargetApiVersion(VK_API_VERSION_1_2);
AddRequiredExtensions(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME);
AddRequiredExtensions(VK_EXT_RAY_TRACING_INVOCATION_REORDER_EXTENSION_NAME);
AddRequiredExtensions(VK_NV_RAY_TRACING_MOTION_BLUR_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::rayTracingPipeline);
AddRequiredFeature(vkt::Feature::rayTracingInvocationReorder);
AddRequiredFeature(vkt::Feature::rayTracingMotionBlur);
AddRequiredFeature(vkt::Feature::accelerationStructure);
AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
RETURN_IF_SKIP(InitGpuAvFramework(layer_settings));
RETURN_IF_SKIP(InitState());
}
class PositiveGpuAVRayHitObject : public GpuAVRayHitObjectTest {};
TEST_F(PositiveGpuAVRayHitObject, TraceRayBasic) {
TEST_DESCRIPTION("hitObjectTraceRayEXT with valid parameters");
RETURN_IF_SKIP(InitHitObjectTest());
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceRayEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
// TODO: Test causes GPU fault - needs investigation
TEST_F(PositiveGpuAVRayHitObject, DynamicTminTmax) {
TEST_DESCRIPTION("hitObjectTraceRayEXT with dynamically set valid tmin and tmax");
RETURN_IF_SKIP(InitHitObjectTest());
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { float tmin; float tmax; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceRayEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
vec3(0,0,0), params.tmin, vec3(0,0,1), params.tmax, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
auto *ptr = static_cast<float *>(uniform_buffer.Memory().Map());
ptr[0] = 0.1f; // tmin
ptr[1] = 100.0f; // tmax
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, DynamicRayFlags) {
TEST_DESCRIPTION("hitObjectTraceRayEXT with dynamically set valid ray flags");
RETURN_IF_SKIP(InitHitObjectTest());
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { uint flags; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceRayEXT(hObj, tlas, params.flags, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
// Test with valid flag combination: OpaqueKHR | CullBackFacingTrianglesKHR
auto *ptr = static_cast<uint32_t *>(uniform_buffer.Memory().Map());
ptr[0] = 0x1 | 0x10; // OpaqueKHR | CullBackFacingTrianglesKHR
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, DynamicRayFlagsSkipTriangles) {
TEST_DESCRIPTION("hitObjectTraceRayEXT with SkipTriangles flag (without conflicting pipeline flag)");
RETURN_IF_SKIP(InitHitObjectTest());
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
#extension GL_EXT_ray_flags_primitive_culling : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { uint flags; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceRayEXT(hObj, tlas, params.flags, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
// SkipTrianglesKHR alone is valid (no pipeline SKIP_AABBS flag)
auto *ptr = static_cast<uint32_t *>(uniform_buffer.Memory().Map());
ptr[0] = 0x100; // SkipTrianglesKHR
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, TraceReorderExecuteBasic) {
TEST_DESCRIPTION("hitObjectTraceReorderExecuteEXT with valid parameters");
RETURN_IF_SKIP(InitHitObjectTest());
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceReorderExecuteEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, TraceRayMotionValidTime) {
TEST_DESCRIPTION("hitObjectTraceRayMotionEXT with valid time in [0.0, 1.0]");
RETURN_IF_SKIP(InitHitObjectMotionTest());
vkt::rt::Pipeline pipeline(*this, m_device);
pipeline.AddCreateInfoFlags(VK_PIPELINE_CREATE_RAY_TRACING_ALLOW_MOTION_BIT_NV);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
#extension GL_NV_ray_tracing_motion_blur : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { float time; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceRayMotionEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, params.time, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
// Test with time = 0.5 (valid)
auto *ptr = static_cast<float *>(uniform_buffer.Memory().Map());
ptr[0] = 0.5f;
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
// Test edge case: time = 0.0
ptr[0] = 0.0f;
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
// Test edge case: time = 1.0
ptr[0] = 1.0f;
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, TraceMotionReorderExecuteValidTime) {
TEST_DESCRIPTION("hitObjectTraceMotionReorderExecuteEXT with valid time in [0.0, 1.0]");
RETURN_IF_SKIP(InitHitObjectMotionTest());
vkt::rt::Pipeline pipeline(*this, m_device);
pipeline.AddCreateInfoFlags(VK_PIPELINE_CREATE_RAY_TRACING_ALLOW_MOTION_BIT_NV);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_shader_invocation_reorder : require
#extension GL_NV_ray_tracing_motion_blur : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { float time; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
hitObjectTraceMotionReorderExecuteEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
vec3(0,0,0), 0.1, vec3(0,0,1), 100.0, params.time, 0);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
// Test with time = 0.5 (valid)
auto *ptr = static_cast<float *>(uniform_buffer.Memory().Map());
ptr[0] = 0.5f;
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
TEST_F(PositiveGpuAVRayHitObject, SBTIndexWithinLimit) {
TEST_DESCRIPTION("hitObjectSetShaderBindingTableRecordIndexEXT with valid index within limit");
AddRequiredExtensions(VK_KHR_RAY_QUERY_EXTENSION_NAME);
AddRequiredFeature(vkt::Feature::rayQuery);
RETURN_IF_SKIP(InitHitObjectTest());
// Get the max SBT index from device properties
VkPhysicalDeviceRayTracingInvocationReorderPropertiesEXT reorder_props = vku::InitStructHelper();
VkPhysicalDeviceProperties2 props2 = vku::InitStructHelper(&reorder_props);
vk::GetPhysicalDeviceProperties2(Gpu(), &props2);
if (reorder_props.rayTracingInvocationReorderReorderingHint == VK_RAY_TRACING_INVOCATION_REORDER_MODE_NONE_EXT) {
GTEST_SKIP() << "Ray tracing invocation reorder not supported";
}
vkt::rt::Pipeline pipeline(*this, m_device);
const char *ray_gen = R"glsl(
#version 460
#extension GL_EXT_ray_tracing : require
#extension GL_EXT_ray_query : require
#extension GL_EXT_shader_invocation_reorder : require
layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
layout(binding = 1, set = 0) uniform Params { uint sbt_index; } params;
layout(location = 0) rayPayloadEXT vec3 payload;
layout(location = 0) hitObjectAttributeEXT vec2 attr;
void main() {
hitObjectEXT hObj;
rayQueryEXT rq;
rayQueryInitializeEXT(rq, tlas, gl_RayFlagsOpaqueEXT, 0xff, vec3(0), 0.1, vec3(0,0,1), 100.0);
hitObjectRecordFromQueryEXT(hObj, rq, 0, 0);
hitObjectSetShaderBindingTableRecordIndexEXT(hObj, params.sbt_index);
}
)glsl";
pipeline.SetGlslRayGenShader(ray_gen);
pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
pipeline.CreateDescriptorSet();
vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());
vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
auto *ptr = static_cast<uint32_t *>(uniform_buffer.Memory().Map());
// Use 0 which is always valid
ptr[0] = 0;
pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
pipeline.GetDescriptorSet().UpdateDescriptorSets();
pipeline.Build();
m_command_buffer.Begin();
vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
&pipeline.GetDescriptorSet().set_, 0, nullptr);
vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
&trace_rays_sbt.callable_sbt, 1, 1, 1);
m_command_buffer.End();
m_default_queue->Submit(m_command_buffer);
m_device->Wait();
}
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