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Raytracing execution reordering (#1461)
* Add ray tracing invocation reorder sample using VK_EXT_ray_tracing_invocation_reorder extension. * Align code formatting in ray tracing invocation reorder sample. * Extend ray tracing sample with advanced rendering features including shadow mapping, ambient occlusion, flame particles, and dynamic object support * Align code formatting in ray tracing invocation reorder sample * Add conditional compilation guards for VK_EXT_ray_tracing_invocation_reorder to support older Vulkan SDK versions * Add ray tracing invocation reorder sample to CMakeLists and fix code formatting * Add compiled SPIR-V shader binaries for ray tracing closest-hit shaders * Update copyright years to 2026 * Fix for including all shaders correctly. GLSLC doesn't currently have all supported capabilities in the public SDK. This prevents the samples from trying to build GLSL. * Update the README.adoc
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‎antora/modules/ROOT/nav.adoc‎

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////
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- Copyright (c) 2023-2025, Holochip Inc
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- Copyright (c) 2023-2025, Sascha Willems
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- Copyright (c) 2023-2026, Holochip Inc
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- Copyright (c) 2023-2026, Sascha Willems
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- Copyright (c) 2025, Arm Limited and Contributors
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-
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- SPDX-License-Identifier: Apache-2.0
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*** xref:samples/extensions/hpp_push_descriptors/README.adoc[Push descriptors (Vulkan-Hpp)]
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** xref:samples/extensions/ray_tracing_basic/README.adoc[Raytracing basic]
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** xref:samples/extensions/ray_tracing_extended/README.adoc[Raytracing extended]
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** xref:samples/extensions/ray_tracing_invocation_reorder/README.adoc[Ray tracing invocation reorder (SER)]
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** xref:samples/extensions/ray_queries/README.adoc[Ray queries]
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** xref:samples/extensions/ray_tracing_reflection/README.adoc[Ray tracing reflection]
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** xref:samples/extensions/ray_tracing_position_fetch/README.adoc[Ray tracing position fetch]

‎framework/vulkan_type_mapping.h‎

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/* Copyright (c) 2025, Arm Limited and Contributors
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* Copyright (c) 2024-2025, NVIDIA CORPORATION. All rights reserved.
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* Copyright (c) 2024-2026, NVIDIA CORPORATION. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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using Type = vk::PhysicalDeviceRayTracingPipelineFeaturesKHR;
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};
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#ifdef VK_EXT_ray_tracing_invocation_reorder
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template <>
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struct HPPType<VkPhysicalDeviceRayTracingInvocationReorderFeaturesEXT>
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{
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using Type = vk::PhysicalDeviceRayTracingInvocationReorderFeaturesEXT;
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};
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#endif
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template <>
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struct HPPType<VkPhysicalDeviceRayTracingInvocationReorderFeaturesNV>
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{
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using Type = vk::PhysicalDeviceRayTracingInvocationReorderFeaturesNV;
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};
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template <>
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struct HPPType<VkPhysicalDeviceRayTracingPositionFetchFeaturesKHR>
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{

‎samples/CMakeLists.txt‎

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# Copyright (c) 2019-2025, Arm Limited and Contributors
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# Copyright (c) 2019-2026, Arm Limited and Contributors
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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"ray_tracing_basic"
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"ray_tracing_extended"
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"ray_tracing_reflection"
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"ray_tracing_invocation_reorder"
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"timeline_semaphore"
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"shader_object"
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"shader_debugprintf"

‎samples/extensions/README.adoc‎

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////
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- Copyright (c) 2025, Arm Limited and Contributors
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- Copyright (c) 2021-2025, The Khronos Group
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- Copyright (c) 2021-2026, The Khronos Group
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-
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- SPDX-License-Identifier: Apache-2.0
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-
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* xref:./{extension_samplespath}tensor_and_data_graph/simple_tensor_and_data_graph/README.adoc[simple_tensor_and_data_graph]
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- Explains how to set up and execute a simple neural network using a data graph pipeline.
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=== xref:./{extension_samplespath}ray_tracing_invocation_reorder/README.adoc[Ray Tracing Invocation Reorder]
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*Extensions:* https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/VK_EXT_ray_tracing_invocation_reorder.html[`VK_EXT_ray_tracing_invocation_reorder`]
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Demonstrate how to optimize ray tracing pipelines by reordering the invocation order.

‎samples/extensions/ray_tracing_invocation_reorder/CMakeLists.txt‎

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# Copyright (c) 2025-2026, Holochip Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 the "License";
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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get_filename_component(FOLDER_NAME ${CMAKE_CURRENT_LIST_DIR} NAME)
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get_filename_component(PARENT_DIR ${CMAKE_CURRENT_LIST_DIR} PATH)
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get_filename_component(CATEGORY_NAME ${PARENT_DIR} NAME)
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add_sample_with_tags(
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ID ${FOLDER_NAME}
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CATEGORY ${CATEGORY_NAME}
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AUTHOR "Holochip Inc."
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NAME "Ray tracing invocation reorder"
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DESCRIPTION "Demonstrates Shader Execution Reordering (SER) using VK_EXT_ray_tracing_invocation_reorder to reduce divergence"
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SHADER_FILES_GLSL
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# Note: We do not compile GLSL here because glslc may lack GL_EXT_shader_invocation_reorder (current public SDK doesn't support it).
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# "ray_tracing_invocation_reorder/glsl/raygen.rgen"
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# "ray_tracing_invocation_reorder/glsl//miss.rmiss"
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# "ray_tracing_invocation_reorder/glsl//closesthit_flame.rchit"
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# "ray_tracing_invocation_reorder/glsl//closesthit_normal.rchit"
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# "ray_tracing_invocation_reorder/glsl//closesthit_refraction.rchit"
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SHADER_FILES_SLANG
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"ray_tracing_invocation_reorder/slang/raygen.rgen.slang"
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"ray_tracing_invocation_reorder/slang/miss.rmiss.slang"
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"ray_tracing_invocation_reorder/slang/closesthit_normal.rchit.slang"
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"ray_tracing_invocation_reorder/slang/closesthit_refraction.rchit.slang"
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"ray_tracing_invocation_reorder/slang/closesthit_flame.rchit.slang"
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)

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