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VulkanKHRRayTracingTestForReflections_WithoutLimited.cpp
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VulkanKHRRayTracingTestForReflections_WithoutLimited.cpp
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#include "core/include/TDevice.h"
#include "core/include/TDeviceQueue.h"
#include "core/include/TEngine.h"
#include "core/include/TPhysicalDevice.h"
#include "core/include/TVulkanAllocator.h"
#include "core/include/TBuffer.h"
#include "core/include/TCommandBuffer.h"
#include "core/include/TCommandBufferPool.h"
#include "core/include/TImage.h"
#include "core/include/TImageView.h"
#include "core/include/TShader.h"
#include "core/include/TAttachment.h"
#include "core/include/TGraphicsPipeline.h"
#include "core/include/TRenderPass.h"
#include "core/include/TSubpass.h"
#include "core/include/TDescriptorPool.h"
#include "core/include/TDescriptorSet.h"
#include "core/include/TDescriptorSetLayout.h"
#include "core/include/TFramebuffer.h"
#include "core/include/TFence.h"
#include "core/include/TSemaphore.h"
#include <fstream>
#include <GLFW/glfw3.h>
#include "core/include/TSurface.h"
#include "core/include/TSwapchain.h"
#include "core/include/TPipelineDescriptorSet.h"
#include "core/include/TSampler.h"
#include <glm/ext.hpp>
#include "core/include/TVulkanLoader.h"
#define TINYGLTF_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION
// #define TINYGLTF_NOEXCEPTION // optional. disable exception handling.
#include <tiny_gltf.h>
#include <ktxvulkan.h>
#include <imgui.h>
#include <random>
std::string ReadTextFile(const std::string &filename)
{
std::vector<std::string> data;
std::ifstream file;
file.open(filename, std::ios::in);
if (!file.is_open())
{
throw std::runtime_error("Failed to open file: " + filename);
}
return std::string{(std::istreambuf_iterator<char>(file)), (std::istreambuf_iterator<char>())};
}
static bool g_MouseJustPressed[ImGuiMouseButton_COUNT] = {};
static GLFWcursor *g_MouseCursors[ImGuiMouseCursor_COUNT] = {};
const std::string IMGUI_VERT_SHADER_STR = ReadTextFile("../../asset/shaders/imgui.vert");
const std::string IMGUI_FRAG_SHADER_STR = ReadTextFile("../../asset/shaders/imgui.frag");
const std::string VERT_SHADER_STR = ReadTextFile("../../asset/shaders/GeometryTest.vert");
const std::string GEOM_SHADER_STR = ReadTextFile("../../asset/shaders/GeometryTest.geom");
const std::string FRAG_SHADER_STR = ReadTextFile("../../asset/shaders/GeometryTest.frag");
const std::string RAY_GENERATION_SHADER_STR = ReadTextFile("../../asset/shaders/RayTracingKHRTestForReflections_WithoutLimited.rgen");
const std::string MISS_SHADER_STR = ReadTextFile("../../asset/shaders/RayTracingKHRTestForReflections_WithoutLimited.rmiss");
const std::string SHADOW_MISS_SHADER_STR = ReadTextFile("../../asset/shaders/RayTracingKHRTestForReflectionsShadow_WithoutLimited.rmiss");
const std::string CLOSEST_HIT_SHADER_STR = ReadTextFile("../../asset/shaders/RayTracingKHRTestForReflections_WithoutLimited.rchit");
typedef struct POSITION
{
float x;
float y;
float z;
} POSITION;
typedef struct NORMAL
{
float x;
float y;
float z;
} NORMAL;
typedef struct TANGENT
{
float x;
float y;
float z;
float w;
} TANGENT;
typedef struct TEXCOORD
{
float u;
float v;
} TEXCOORD;
struct MY_BUFFER_DATA
{
float scale;
};
struct MATRIXS_BUFFER_DATA
{
glm::mat4 m;
glm::mat4 v;
glm::mat4 p;
};
struct VERTEX
{
POSITION position;
NORMAL normal;
TEXCOORD texcoord;
};
struct BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS
{
VkDeviceAddress vertexDeviceAddress;
VkDeviceAddress indexDeviceAddress;
};
struct RAY_TRACING_MATRIXS_BUFFER_DATA
{
glm::mat4 v;
glm::mat4 p;
};
int main()
{
std::cout << "Vulkan Version:" << Turbo::Core::TVulkanLoader::Instance()->GetVulkanVersion().ToString() << std::endl;
int ray_tracing_depth = 0;
MY_BUFFER_DATA my_buffer_data = {};
my_buffer_data.scale = 0.03;
MATRIXS_BUFFER_DATA matrixs_buffer_data = {};
//<gltf for material_sphere>
std::vector<POSITION> POSITION_data;
std::vector<NORMAL> NORMAL_data;
std::vector<TEXCOORD> TEXCOORD_data;
std::vector<TANGENT> TANGENT_data;
std::vector<uint32_t> INDICES_data;
{
tinygltf::Model model;
tinygltf::TinyGLTF loader;
std::string err;
std::string warn;
// bool ret = loader.LoadASCIIFromFile(&model, &err, &warn, "../../asset/models/Suzanne_without_Yup.gltf");
bool ret = loader.LoadASCIIFromFile(&model, &err, &warn, "../../asset/models/material_sphere_without_Yup.gltf");
const tinygltf::Scene &scene = model.scenes[model.defaultScene];
tinygltf::Node &node = model.nodes[scene.nodes[0]];
tinygltf::Mesh &mesh = model.meshes[node.mesh];
tinygltf::Primitive &primitive = mesh.primitives[0];
int mode = primitive.mode;
int position_accesser_index = primitive.attributes["POSITION"];
int normal_accesser_index = primitive.attributes["NORMAL"];
int texcoord_0_accesser_index = primitive.attributes["TEXCOORD_0"];
int tangent_accesser_index = primitive.attributes["TANGENT"];
int indices_accesser_index = primitive.indices;
tinygltf::Accessor &position_accessor = model.accessors[position_accesser_index];
tinygltf::Accessor &normal_accessor = model.accessors[normal_accesser_index];
tinygltf::Accessor &texcoord_0_accessor = model.accessors[texcoord_0_accesser_index];
tinygltf::Accessor &indices_accessor = model.accessors[indices_accesser_index];
tinygltf::Accessor &tangent_accessor = model.accessors[tangent_accesser_index];
tinygltf::BufferView &position_buffer_view = model.bufferViews[position_accessor.bufferView];
tinygltf::BufferView &normal_buffer_view = model.bufferViews[normal_accessor.bufferView];
tinygltf::BufferView &texcoord_0_buffer_view = model.bufferViews[texcoord_0_accessor.bufferView];
tinygltf::BufferView &indices_buffer_view = model.bufferViews[indices_accessor.bufferView];
tinygltf::BufferView &tangent_buffer_view = model.bufferViews[tangent_accessor.bufferView];
int position_buffer_index = position_buffer_view.buffer;
size_t position_buffer_byteLength = position_buffer_view.byteLength;
int position_buffer_byteOffset = position_buffer_view.byteOffset;
int position_type = position_accessor.type;
int normal_buffer_index = normal_buffer_view.buffer;
size_t normal_buffer_byteLength = normal_buffer_view.byteLength;
int normal_buffer_byteOffset = normal_buffer_view.byteOffset;
int normal_type = normal_accessor.type;
int texcoord_0_buffer_index = texcoord_0_buffer_view.buffer;
size_t texcoord_0_buffer_byteLength = texcoord_0_buffer_view.byteLength;
int texcoord_0_buffer_byteOffset = texcoord_0_buffer_view.byteOffset;
int texcoord_0_type = texcoord_0_accessor.type;
int indices_buffer_index = indices_buffer_view.buffer;
size_t indices_buffer_byteLength = indices_buffer_view.byteLength;
int indices_buffer_byteOffset = indices_buffer_view.byteOffset;
int indices_type = indices_accessor.type;
int tangent_buffer_index = tangent_buffer_view.buffer;
size_t tangent_buffer_byteLength = tangent_buffer_view.byteLength;
int tangent_buffer_byteOffset = tangent_buffer_view.byteOffset;
int tangent_type = tangent_accessor.type;
tinygltf::Buffer &position_buffer = model.buffers[position_buffer_index];
tinygltf::Buffer &normal_buffer = model.buffers[normal_buffer_index];
tinygltf::Buffer &texcoord_0_buffer = model.buffers[texcoord_0_buffer_index];
tinygltf::Buffer &indices_buffer = model.buffers[indices_buffer_index];
tinygltf::Buffer &tangent_buffer = model.buffers[tangent_buffer_index];
std::vector<unsigned char> &position_data = position_buffer.data;
std::vector<unsigned char> &normal_data = normal_buffer.data;
std::vector<unsigned char> &texcoord_0_data = texcoord_0_buffer.data;
std::vector<unsigned char> &indices_data = indices_buffer.data;
std::vector<unsigned char> &tangent_data = tangent_buffer.data;
std::vector<unsigned short> temp_indices_data;
POSITION_data.resize(position_buffer_byteLength / sizeof(POSITION));
NORMAL_data.resize(normal_buffer_byteLength / sizeof(NORMAL));
TEXCOORD_data.resize(texcoord_0_buffer_byteLength / sizeof(TEXCOORD));
temp_indices_data.resize(indices_buffer_byteLength / sizeof(unsigned short));
TANGENT_data.resize(tangent_buffer_byteLength / sizeof(TANGENT));
memcpy(POSITION_data.data(), position_data.data() + position_buffer_byteOffset, position_buffer_byteLength);
memcpy(NORMAL_data.data(), normal_data.data() + normal_buffer_byteOffset, normal_buffer_byteLength);
memcpy(TEXCOORD_data.data(), texcoord_0_data.data() + texcoord_0_buffer_byteOffset, texcoord_0_buffer_byteLength);
memcpy(temp_indices_data.data(), indices_data.data() + indices_buffer_byteOffset, indices_buffer_byteLength);
memcpy(TANGENT_data.data(), tangent_data.data() + tangent_buffer_byteOffset, tangent_buffer_byteLength);
for (unsigned short &temp_indices_item : temp_indices_data)
{
INDICES_data.push_back(temp_indices_item);
}
}
//</gltf for material_sphere>
uint32_t indices_count = INDICES_data.size();
std::vector<Turbo::Core::TLayerInfo> support_layers;
std::vector<Turbo::Core::TExtensionInfo> instance_support_extensions;
{
Turbo::Core::TRefPtr<Turbo::Core::TInstance> temp_instance = new Turbo::Core::TInstance();
support_layers = temp_instance->GetSupportLayers();
instance_support_extensions = temp_instance->GetSupportExtensions();
}
Turbo::Core::TLayerInfo khronos_validation;
for (Turbo::Core::TLayerInfo &layer : support_layers)
{
if (layer.GetLayerType() == Turbo::Core::TLayerType::VK_LAYER_KHRONOS_VALIDATION)
{
khronos_validation = layer;
break;
}
}
std::vector<Turbo::Core::TLayerInfo> enable_layer;
if (khronos_validation.GetLayerType() != Turbo::Core::TLayerType::UNDEFINED)
{
enable_layer.push_back(khronos_validation);
}
std::vector<Turbo::Core::TExtensionInfo> enable_instance_extensions;
for (Turbo::Core::TExtensionInfo &extension : instance_support_extensions)
{
if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_SURFACE)
{
enable_instance_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_WIN32_SURFACE)
{
enable_instance_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_WAYLAND_SURFACE)
{
enable_instance_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_XCB_SURFACE)
{
enable_instance_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_XLIB_SURFACE)
{
enable_instance_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES2)
{
enable_instance_extensions.push_back(extension);
}
}
Turbo::Core::TVersion instance_version(1, 2, 0, 0);
Turbo::Core::TRefPtr<Turbo::Core::TInstance> instance = new Turbo::Core::TInstance(&enable_layer, &enable_instance_extensions, &instance_version);
Turbo::Core::TRefPtr<Turbo::Core::TPhysicalDevice> physical_device = instance->GetBestPhysicalDevice();
Turbo::Core::TPhysicalDeviceFeatures physical_device_support_features = physical_device->GetDeviceFeatures();
{
if (physical_device_support_features.accelerationStructure)
{
std::cout << "Support acceleration structure feature" << std::endl;
}
else
{
std::cout << "Not support acceleration structure feature" << std::endl;
}
if (physical_device_support_features.accelerationStructureCaptureReplay)
{
std::cout << "Support acceleration structure capture replay feature" << std::endl;
}
else
{
std::cout << "Not support acceleration structure capture replay feature" << std::endl;
}
if (physical_device_support_features.accelerationStructureHostCommands)
{
std::cout << "Support acceleration structure host commands feature" << std::endl;
}
else
{
std::cout << "Not support acceleration structure host commands feature" << std::endl;
}
if (physical_device_support_features.accelerationStructureIndirectBuild)
{
std::cout << "Support acceleration structure indirect build feature" << std::endl;
}
else
{
std::cout << "Not support acceleration structure indirect build feature" << std::endl;
}
if (physical_device_support_features.bufferDeviceAddress)
{
std::cout << "Support bufferDeviceAddress feature" << std::endl;
}
else
{
std::cout << "Not support bufferDeviceAddress feature" << std::endl;
}
if (physical_device_support_features.bufferDeviceAddressCaptureReplay)
{
std::cout << "Support bufferDeviceAddressCaptureReplay feature" << std::endl;
}
else
{
std::cout << "Not support bufferDeviceAddressCaptureReplay feature" << std::endl;
}
if (physical_device_support_features.bufferDeviceAddressMultiDevice)
{
std::cout << "Support bufferDeviceAddressMultiDevice feature" << std::endl;
}
else
{
std::cout << "Not support bufferDeviceAddressMultiDevice feature" << std::endl;
}
if (physical_device_support_features.rayTracingPipeline)
{
std::cout << "Support ray tracing pipeline feature" << std::endl;
}
else
{
std::cout << "Not support ray tracing pipeline feature" << std::endl;
}
}
if (!physical_device_support_features.accelerationStructure || !physical_device_support_features.rayTracingPipeline)
{
std::cout << "Please use a GPU which support hardware real-time ray tracing" << std::endl;
return 0;
}
if (!glfwInit())
return -1;
GLFWwindow *window;
int window_width = 1920 / 2.0;
int window_height = 1080 / 2.0;
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
window = glfwCreateWindow(window_width, window_height, "Turbo", NULL, NULL);
VkSurfaceKHR vk_surface_khr = VK_NULL_HANDLE;
VkInstance vk_instance = instance->GetVkInstance();
glfwCreateWindowSurface(vk_instance, window, NULL, &vk_surface_khr);
Turbo::Core::TPhysicalDeviceFeatures physical_device_features = {};
physical_device_features.sampleRateShading = true;
physical_device_features.accelerationStructure = physical_device_support_features.accelerationStructure;
physical_device_features.accelerationStructureCaptureReplay = physical_device_support_features.accelerationStructureCaptureReplay;
physical_device_features.accelerationStructureHostCommands = physical_device_support_features.accelerationStructureHostCommands;
physical_device_features.accelerationStructureIndirectBuild = physical_device_support_features.accelerationStructureIndirectBuild;
physical_device_features.bufferDeviceAddress = physical_device_support_features.bufferDeviceAddress;
physical_device_features.rayTracingPipeline = physical_device_support_features.rayTracingPipeline;
if (physical_device_support_features.geometryShader)
{
physical_device_features.geometryShader = true;
}
else
{
glfwTerminate();
throw Turbo::Core::TException(Turbo::Core::TResult::UNSUPPORTED, "Not support geometry shader feature");
}
std::vector<Turbo::Core::TExtensionInfo> enable_device_extensions;
std::vector<Turbo::Core::TExtensionInfo> physical_device_support_extensions = physical_device->GetSupportExtensions();
for (Turbo::Core::TExtensionInfo &extension : physical_device_support_extensions)
{
if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_SWAPCHAIN)
{
enable_device_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_ACCELERATION_STRUCTURE)
{
enable_device_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_SPIRV_1_4)
{
enable_device_extensions.push_back(extension);
}
else if (extension.GetExtensionType() == Turbo::Core::TExtensionType::VK_KHR_RAY_TRACING_PIPELINE)
{
enable_device_extensions.push_back(extension);
}
}
Turbo::Core::TRefPtr<Turbo::Core::TDevice> device = new Turbo::Core::TDevice(physical_device, nullptr, &enable_device_extensions, &physical_device_features);
Turbo::Core::TRefPtr<Turbo::Core::TDeviceQueue> queue = device->GetBestGraphicsQueue();
Turbo::Core::TRefPtr<Turbo::Extension::TSurface> surface = new Turbo::Extension::TSurface(device, nullptr, vk_surface_khr);
uint32_t max_image_count = surface->GetMaxImageCount();
uint32_t min_image_count = surface->GetMinImageCount();
uint32_t swapchain_image_count = max_image_count <= min_image_count ? min_image_count : max_image_count - 1;
Turbo::Core::TRefPtr<Turbo::Extension::TSwapchain> swapchain = new Turbo::Extension::TSwapchain(surface, swapchain_image_count, Turbo::Core::TFormatType::B8G8R8A8_SRGB, 1, Turbo::Core::TImageUsageBits::IMAGE_COLOR_ATTACHMENT | Turbo::Core::TImageUsageBits::IMAGE_TRANSFER_SRC | Turbo::Core::TImageUsageBits::IMAGE_TRANSFER_DST, true);
std::vector<Turbo::Core::TRefPtr<Turbo::Core::TImage>> swapchain_images = swapchain->GetImages();
std::vector<Turbo::Core::TRefPtr<Turbo::Core::TImageView>> swapchain_image_views;
for (Turbo::Core::TRefPtr<Turbo::Core::TImage> swapchain_image_item : swapchain_images)
{
Turbo::Core::TRefPtr<Turbo::Core::TImageView> swapchain_view = new Turbo::Core::TImageView(swapchain_image_item, Turbo::Core::TImageViewType::IMAGE_VIEW_2D, Turbo::Core::TFormatType::B8G8R8A8_SRGB, Turbo::Core::TImageAspectBits::ASPECT_COLOR_BIT, 0, 1, 0, 1);
swapchain_image_views.push_back(swapchain_view);
}
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
glm::mat4 model = glm::mat4(1.0f);
model = glm::rotate(model, glm::radians(90.0f), glm::vec3(1.0f, 0.0f, 0.0f));
glm::mat4 view = glm::mat4(1.0f);
view = glm::translate(view, glm::vec3(0.0f, 0.0f, -10.0f));
glm::mat4 projection = glm::mat4(1.0f);
projection = glm::perspective(glm::radians(45.0f), (float)swapchain->GetWidth() / (float)swapchain->GetHeight(), 0.1f, 100.0f);
matrixs_buffer_data.m = model;
matrixs_buffer_data.v = view;
matrixs_buffer_data.p = projection;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> matrixs_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_UNIFORM_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(matrixs_buffer_data));
void *mvp_ptr = matrixs_buffer->Map();
memcpy(mvp_ptr, &matrixs_buffer_data, sizeof(matrixs_buffer_data));
matrixs_buffer->Unmap();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> my_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_UNIFORM_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(my_buffer_data));
void *my_buffer_ptr = my_buffer->Map();
memcpy(my_buffer_ptr, &my_buffer_data, sizeof(my_buffer_data));
my_buffer->Unmap();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> position_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_VERTEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(POSITION) * POSITION_data.size());
void *position_buffer_ptr = position_buffer->Map();
memcpy(position_buffer_ptr, POSITION_data.data(), sizeof(POSITION) * POSITION_data.size());
position_buffer->Unmap();
// POSITION_data.clear();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> normal_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_VERTEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(NORMAL) * NORMAL_data.size());
void *normal_buffer_ptr = normal_buffer->Map();
memcpy(normal_buffer_ptr, NORMAL_data.data(), sizeof(NORMAL) * NORMAL_data.size());
normal_buffer->Unmap();
// NORMAL_data.clear();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> texcoord_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_VERTEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(TEXCOORD) * TEXCOORD_data.size());
void *texcoord_buffer_ptr = texcoord_buffer->Map();
memcpy(texcoord_buffer_ptr, TEXCOORD_data.data(), sizeof(TEXCOORD) * TEXCOORD_data.size());
texcoord_buffer->Unmap();
// TEXCOORD_data.clear();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> index_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_INDEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(uint32_t) * INDICES_data.size());
void *index_buffer_ptr = index_buffer->Map();
memcpy(index_buffer_ptr, INDICES_data.data(), sizeof(uint32_t) * INDICES_data.size());
index_buffer->Unmap();
// INDICES_data.clear();
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> tangent_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_VERTEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(TANGENT) * TANGENT_data.size());
void *tangent_buffer_ptr = tangent_buffer->Map();
memcpy(tangent_buffer_ptr, TANGENT_data.data(), sizeof(TANGENT) * TANGENT_data.size());
tangent_buffer->Unmap();
// TANGENT_data.clear();
Turbo::Core::TRefPtr<Turbo::Core::TImage> depth_image = new Turbo::Core::TImage(device, 0, Turbo::Core::TImageType::DIMENSION_2D, Turbo::Core::TFormatType::D32_SFLOAT, swapchain->GetWidth(), swapchain->GetHeight(), 1, 1, 1, Turbo::Core::TSampleCountBits::SAMPLE_1_BIT, Turbo::Core::TImageTiling::OPTIMAL, Turbo::Core::TImageUsageBits::IMAGE_DEPTH_STENCIL_ATTACHMENT | Turbo::Core::TImageUsageBits::IMAGE_INPUT_ATTACHMENT, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, Turbo::Core::TImageLayout::UNDEFINED);
Turbo::Core::TRefPtr<Turbo::Core::TImageView> depth_image_view = new Turbo::Core::TImageView(depth_image, Turbo::Core::TImageViewType::IMAGE_VIEW_2D, depth_image->GetFormat(), Turbo::Core::TImageAspectBits::ASPECT_DEPTH_BIT, 0, 1, 0, 1);
Turbo::Core::TRefPtr<Turbo::Core::TVertexShader> vertex_shader = new Turbo::Core::TVertexShader(device, Turbo::Core::TShaderLanguage::GLSL, VERT_SHADER_STR);
Turbo::Core::TRefPtr<Turbo::Core::TGeometryShader> geometry_shader = new Turbo::Core::TGeometryShader(device, Turbo::Core::TShaderLanguage::GLSL, GEOM_SHADER_STR);
Turbo::Core::TRefPtr<Turbo::Core::TFragmentShader> fragment_shader = new Turbo::Core::TFragmentShader(device, Turbo::Core::TShaderLanguage::GLSL, FRAG_SHADER_STR);
// for ray tracing image
Turbo::Core::TRefPtr<Turbo::Core::TImage> ray_tracing_image = new Turbo::Core::TImage(device, 0, Turbo::Core::TImageType::DIMENSION_2D, Turbo::Core::TFormatType::R32G32B32A32_SFLOAT, swapchain->GetWidth(), swapchain->GetHeight(), 1, 1, 1, Turbo::Core::TSampleCountBits::SAMPLE_1_BIT, Turbo::Core::TImageTiling::OPTIMAL, Turbo::Core::TImageUsageBits::IMAGE_COLOR_ATTACHMENT | Turbo::Core::TImageUsageBits::IMAGE_TRANSFER_SRC | Turbo::Core::TImageUsageBits::IMAGE_STORAGE, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY);
Turbo::Core::TRefPtr<Turbo::Core::TImageView> ray_tracing_image_view = new Turbo::Core::TImageView(ray_tracing_image, Turbo::Core::TImageViewType::IMAGE_VIEW_2D, ray_tracing_image->GetFormat(), Turbo::Core::TImageAspectBits::ASPECT_COLOR_BIT, 0, 1, 0, 1);
{
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> change_ray_tracing_image_layout_command_buffer = command_pool->Allocate();
change_ray_tracing_image_layout_command_buffer->Begin();
change_ray_tracing_image_layout_command_buffer->CmdTransformImageLayout(Turbo::Core::TPipelineStageBits::TOP_OF_PIPE_BIT, Turbo::Core::TPipelineStageBits::BOTTOM_OF_PIPE_BIT, Turbo::Core::TAccessBits::ACCESS_NONE, Turbo::Core::TAccessBits::ACCESS_NONE, Turbo::Core::TImageLayout::UNDEFINED, Turbo::Core::TImageLayout::GENERAL, ray_tracing_image_view);
change_ray_tracing_image_layout_command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> change_image_layout_fence = new Turbo::Core::TFence(device);
queue->Submit(change_ray_tracing_image_layout_command_buffer, change_image_layout_fence);
change_image_layout_fence->WaitUntil();
command_pool->Free(change_ray_tracing_image_layout_command_buffer);
}
std::vector<Turbo::Core::TDescriptorSize> descriptor_sizes;
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::UNIFORM_BUFFER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::COMBINED_IMAGE_SAMPLER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::SAMPLER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::SAMPLED_IMAGE, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::STORAGE_IMAGE, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::UNIFORM_TEXEL_BUFFER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::STORAGE_TEXEL_BUFFER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::STORAGE_BUFFER, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::UNIFORM_BUFFER_DYNAMIC, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::STORAGE_BUFFER_DYNAMIC, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::INPUT_ATTACHMENT, 1000));
descriptor_sizes.push_back(Turbo::Core::TDescriptorSize(Turbo::Core::TDescriptorType::ACCELERATION_STRUCTURE, 1000));
Turbo::Core::TRefPtr<Turbo::Core::TDescriptorPool> descriptor_pool = new Turbo::Core::TDescriptorPool(device, descriptor_sizes.size() * 1000, descriptor_sizes);
const Turbo::Core::TDeviceDriver *device_driver = device->GetDeviceDriver();
const Turbo::Core::TPhysicalDeviceDriver *physical_device_driver = physical_device->GetPhysicalDeviceDriver();
// Acceleration Structure
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> device_local_vertex_buffer = nullptr;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> device_local_index_buffer = nullptr;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> bottom_level_acceleration_structure_buffer = nullptr;
VkAccelerationStructureKHR bottom_level_acceleration_structure_khr = VK_NULL_HANDLE;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> top_level_acceleration_structure_buffer = nullptr;
VkAccelerationStructureKHR top_level_acceleration_structure_khr = VK_NULL_HANDLE;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> instance_buffer = nullptr;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> bottom_level_acceleration_structure_device_address_buffer = nullptr;
{
VkPhysicalDeviceAccelerationStructurePropertiesKHR vk_physical_device_acceleration_structure_properties_khr = {};
vk_physical_device_acceleration_structure_properties_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_PROPERTIES_KHR;
vk_physical_device_acceleration_structure_properties_khr.pNext = nullptr;
vk_physical_device_acceleration_structure_properties_khr.maxGeometryCount = 0;
vk_physical_device_acceleration_structure_properties_khr.maxInstanceCount = 0;
vk_physical_device_acceleration_structure_properties_khr.maxPrimitiveCount = 0;
vk_physical_device_acceleration_structure_properties_khr.maxPerStageDescriptorAccelerationStructures = 0;
vk_physical_device_acceleration_structure_properties_khr.maxPerStageDescriptorUpdateAfterBindAccelerationStructures = 0;
vk_physical_device_acceleration_structure_properties_khr.maxDescriptorSetAccelerationStructures = 0;
vk_physical_device_acceleration_structure_properties_khr.maxDescriptorSetUpdateAfterBindAccelerationStructures = 0;
vk_physical_device_acceleration_structure_properties_khr.minAccelerationStructureScratchOffsetAlignment = 0;
VkPhysicalDeviceProperties2 vk_physical_device_properties_2 = {};
vk_physical_device_properties_2.sType = VkStructureType::VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
vk_physical_device_properties_2.pNext = &vk_physical_device_acceleration_structure_properties_khr;
vk_physical_device_properties_2.properties = {};
if (physical_device_driver->vkGetPhysicalDeviceProperties2 != nullptr)
{
physical_device_driver->vkGetPhysicalDeviceProperties2(physical_device->GetVkPhysicalDevice(), &vk_physical_device_properties_2);
}
else if (physical_device_driver->vkGetPhysicalDeviceProperties2KHR != nullptr)
{
physical_device_driver->vkGetPhysicalDeviceProperties2KHR(physical_device->GetVkPhysicalDevice(), &vk_physical_device_properties_2);
}
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxGeometryCount = " << vk_physical_device_acceleration_structure_properties_khr.maxGeometryCount << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxInstanceCount = " << vk_physical_device_acceleration_structure_properties_khr.maxInstanceCount << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxPrimitiveCount = " << vk_physical_device_acceleration_structure_properties_khr.maxPrimitiveCount << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxPerStageDescriptorAccelerationStructures = " << vk_physical_device_acceleration_structure_properties_khr.maxPerStageDescriptorAccelerationStructures << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxPerStageDescriptorUpdateAfterBindAccelerationStructures = " << vk_physical_device_acceleration_structure_properties_khr.maxPerStageDescriptorUpdateAfterBindAccelerationStructures << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxDescriptorSetAccelerationStructures = " << vk_physical_device_acceleration_structure_properties_khr.maxDescriptorSetAccelerationStructures << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.maxDescriptorSetUpdateAfterBindAccelerationStructures = " << vk_physical_device_acceleration_structure_properties_khr.maxDescriptorSetUpdateAfterBindAccelerationStructures << std::endl;
std::cout << "VkPhysicalDeviceAccelerationStructurePropertiesKHR.minAccelerationStructureScratchOffsetAlignment = " << vk_physical_device_acceleration_structure_properties_khr.minAccelerationStructureScratchOffsetAlignment << std::endl;
std::vector<VERTEX> ray_tracing_vertexs;
for (uint32_t vertex_index = 0; vertex_index < POSITION_data.size(); vertex_index++)
{
VERTEX ray_tracing_vertex;
ray_tracing_vertex.position = POSITION_data[vertex_index];
ray_tracing_vertex.normal = NORMAL_data[vertex_index];
ray_tracing_vertex.texcoord = TEXCOORD_data[vertex_index];
ray_tracing_vertexs.push_back(ray_tracing_vertex);
}
device_local_vertex_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_VERTEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST | Turbo::Core::TBufferUsageBits::BUFFER_SHADER_DEVICE_ADDRESS | Turbo::Core::TBufferUsageBits::BUFFER_STORAGE_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, sizeof(VERTEX) * ray_tracing_vertexs.size());
{
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> staging_vertex_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_SRC, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(VERTEX) * ray_tracing_vertexs.size());
memcpy(staging_vertex_buffer->Map(), ray_tracing_vertexs.data(), sizeof(VERTEX) * ray_tracing_vertexs.size());
staging_vertex_buffer->Unmap();
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
command_buffer->Begin();
command_buffer->CmdCopyBuffer(staging_vertex_buffer, device_local_vertex_buffer, 0, 0, sizeof(VERTEX) * ray_tracing_vertexs.size());
command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
command_pool->Free(command_buffer);
}
VkDeviceAddress device_local_vertex_buffer_device_address = 0;
VkBufferDeviceAddressInfo device_local_vertex_buffer_device_address_info = {};
device_local_vertex_buffer_device_address_info.sType = VkStructureType::VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO;
device_local_vertex_buffer_device_address_info.pNext = nullptr;
device_local_vertex_buffer_device_address_info.buffer = device_local_vertex_buffer->GetVkBuffer();
if (device_driver->vkGetBufferDeviceAddress != nullptr)
{
device_local_vertex_buffer_device_address = device_driver->vkGetBufferDeviceAddress(device->GetVkDevice(), &device_local_vertex_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressKHR != nullptr)
{
device_local_vertex_buffer_device_address = device_driver->vkGetBufferDeviceAddressKHR(device->GetVkDevice(), &device_local_vertex_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressEXT != nullptr)
{
device_local_vertex_buffer_device_address = device_driver->vkGetBufferDeviceAddressEXT(device->GetVkDevice(), &device_local_vertex_buffer_device_address_info);
}
if (device_local_vertex_buffer_device_address == 0)
{
throw std::runtime_error("Get ray tracing device local vertex buffer address failed");
}
VkDeviceOrHostAddressConstKHR vertex_data = {};
vertex_data.deviceAddress = device_local_vertex_buffer_device_address;
device_local_index_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_INDEX_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_DST | Turbo::Core::TBufferUsageBits::BUFFER_SHADER_DEVICE_ADDRESS | Turbo::Core::TBufferUsageBits::BUFFER_STORAGE_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, sizeof(uint32_t) * INDICES_data.size());
{
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> staging_index_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_SRC, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(uint32_t) * INDICES_data.size());
memcpy(staging_index_buffer->Map(), INDICES_data.data(), sizeof(uint32_t) * INDICES_data.size());
staging_index_buffer->Unmap();
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
command_buffer->Begin();
command_buffer->CmdCopyBuffer(staging_index_buffer, device_local_index_buffer, 0, 0, sizeof(uint32_t) * INDICES_data.size());
command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
command_pool->Free(command_buffer);
}
VkDeviceAddress device_local_index_buffer_device_address = 0;
VkBufferDeviceAddressInfo device_local_index_buffer_device_address_info = {};
device_local_index_buffer_device_address_info.sType = VkStructureType::VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO;
device_local_index_buffer_device_address_info.pNext = nullptr;
device_local_index_buffer_device_address_info.buffer = device_local_index_buffer->GetVkBuffer();
if (device_driver->vkGetBufferDeviceAddress != nullptr)
{
device_local_index_buffer_device_address = device_driver->vkGetBufferDeviceAddress(device->GetVkDevice(), &device_local_index_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressKHR != nullptr)
{
device_local_index_buffer_device_address = device_driver->vkGetBufferDeviceAddressKHR(device->GetVkDevice(), &device_local_index_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressEXT != nullptr)
{
device_local_index_buffer_device_address = device_driver->vkGetBufferDeviceAddressEXT(device->GetVkDevice(), &device_local_index_buffer_device_address_info);
}
if (device_local_index_buffer_device_address == 0)
{
throw std::runtime_error("Get ray tracing device local index buffer address failed");
}
BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS ray_tracing_bottom_level_acceleration_structure;
ray_tracing_bottom_level_acceleration_structure.vertexDeviceAddress = device_local_vertex_buffer_device_address;
ray_tracing_bottom_level_acceleration_structure.indexDeviceAddress = device_local_index_buffer_device_address;
std::vector<BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS> bottom_level_acceleration_structure_device_addresses;
bottom_level_acceleration_structure_device_addresses.push_back(ray_tracing_bottom_level_acceleration_structure);
bottom_level_acceleration_structure_device_address_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_STORAGE_BUFFER, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, sizeof(BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS) * bottom_level_acceleration_structure_device_addresses.size());
{
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> staging_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_TRANSFER_SRC, Turbo::Core::TMemoryFlagsBits::HOST_ACCESS_SEQUENTIAL_WRITE, sizeof(BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS) * bottom_level_acceleration_structure_device_addresses.size());
memcpy(staging_buffer->Map(), bottom_level_acceleration_structure_device_addresses.data(), sizeof(BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS) * bottom_level_acceleration_structure_device_addresses.size());
staging_buffer->Unmap();
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
command_buffer->Begin();
command_buffer->CmdCopyBuffer(staging_buffer, bottom_level_acceleration_structure_device_address_buffer, 0, 0, sizeof(BOTTOM_LEVEL_ACCELERATION_STRUCTURE_DEVICE_ADDRESS) * bottom_level_acceleration_structure_device_addresses.size());
command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
command_pool->Free(command_buffer);
}
VkDeviceOrHostAddressConstKHR index_data = {};
index_data.deviceAddress = device_local_index_buffer_device_address;
VkAccelerationStructureGeometryTrianglesDataKHR vk_acceleration_structure_geometry_triangles_data_khr = {};
vk_acceleration_structure_geometry_triangles_data_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR;
vk_acceleration_structure_geometry_triangles_data_khr.pNext = nullptr;
vk_acceleration_structure_geometry_triangles_data_khr.vertexFormat = VkFormat::VK_FORMAT_R32G32B32_SFLOAT;
vk_acceleration_structure_geometry_triangles_data_khr.vertexData = vertex_data;
vk_acceleration_structure_geometry_triangles_data_khr.vertexStride = sizeof(VERTEX);
vk_acceleration_structure_geometry_triangles_data_khr.maxVertex = ray_tracing_vertexs.size();
vk_acceleration_structure_geometry_triangles_data_khr.indexType = VkIndexType::VK_INDEX_TYPE_UINT32;
vk_acceleration_structure_geometry_triangles_data_khr.indexData = index_data;
vk_acceleration_structure_geometry_triangles_data_khr.transformData.deviceAddress = 0;
VkAccelerationStructureGeometryDataKHR vk_acceleration_structure_geometry_data_khr = {};
vk_acceleration_structure_geometry_data_khr.triangles = vk_acceleration_structure_geometry_triangles_data_khr;
VkAccelerationStructureGeometryKHR vk_acceleration_structure_geometry_khr = {};
vk_acceleration_structure_geometry_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR;
vk_acceleration_structure_geometry_khr.pNext = nullptr;
vk_acceleration_structure_geometry_khr.geometryType = VkGeometryTypeKHR::VK_GEOMETRY_TYPE_TRIANGLES_KHR;
vk_acceleration_structure_geometry_khr.geometry = vk_acceleration_structure_geometry_data_khr;
vk_acceleration_structure_geometry_khr.flags = VkGeometryFlagBitsKHR::VK_GEOMETRY_OPAQUE_BIT_KHR;
VkAccelerationStructureBuildGeometryInfoKHR vk_acceleration_structure_build_geometry_info_khr = {};
vk_acceleration_structure_build_geometry_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR;
vk_acceleration_structure_build_geometry_info_khr.pNext = nullptr;
vk_acceleration_structure_build_geometry_info_khr.type = VkAccelerationStructureTypeKHR::VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR;
vk_acceleration_structure_build_geometry_info_khr.flags = VkBuildAccelerationStructureFlagBitsKHR::VK_BUILD_ACCELERATION_STRUCTURE_ALLOW_COMPACTION_BIT_KHR | VkBuildAccelerationStructureFlagBitsKHR::VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR;
vk_acceleration_structure_build_geometry_info_khr.mode = VkBuildAccelerationStructureModeKHR::VK_BUILD_ACCELERATION_STRUCTURE_MODE_BUILD_KHR;
vk_acceleration_structure_build_geometry_info_khr.srcAccelerationStructure = VK_NULL_HANDLE;
vk_acceleration_structure_build_geometry_info_khr.dstAccelerationStructure = VK_NULL_HANDLE;
vk_acceleration_structure_build_geometry_info_khr.geometryCount = 1;
vk_acceleration_structure_build_geometry_info_khr.pGeometries = &vk_acceleration_structure_geometry_khr;
vk_acceleration_structure_build_geometry_info_khr.ppGeometries = nullptr;
vk_acceleration_structure_build_geometry_info_khr.scratchData.deviceAddress = 0;
std::vector<uint32_t> max_primitive_counts(vk_acceleration_structure_build_geometry_info_khr.geometryCount);
for (uint32_t index = 0; index < vk_acceleration_structure_build_geometry_info_khr.geometryCount; index++)
{
// max_primitive_counts[index] = POSITION_data.size() / 3;
max_primitive_counts[index] = INDICES_data.size() / 3;
}
std::cout << "POSITION_data.size():" << POSITION_data.size() << std::endl;
std::cout << "INDICES_data.size():" << INDICES_data.size() << std::endl;
VkAccelerationStructureBuildSizesInfoKHR vk_acceleration_structure_build_sizes_info_khr = {};
vk_acceleration_structure_build_sizes_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_SIZES_INFO_KHR;
vk_acceleration_structure_build_sizes_info_khr.pNext = nullptr;
vk_acceleration_structure_build_sizes_info_khr.accelerationStructureSize = 0;
vk_acceleration_structure_build_sizes_info_khr.updateScratchSize = 0;
vk_acceleration_structure_build_sizes_info_khr.buildScratchSize = 0;
if (device_driver->vkGetAccelerationStructureBuildSizesKHR != nullptr)
{
device_driver->vkGetAccelerationStructureBuildSizesKHR(device->GetVkDevice(), VkAccelerationStructureBuildTypeKHR::VK_ACCELERATION_STRUCTURE_BUILD_TYPE_DEVICE_KHR, &vk_acceleration_structure_build_geometry_info_khr, max_primitive_counts.data(), &vk_acceleration_structure_build_sizes_info_khr);
}
std::cout << "Bottom Level VkAccelerationStructureBuildSizesInfoKHR.accelerationStructureSize = " << vk_acceleration_structure_build_sizes_info_khr.accelerationStructureSize << std::endl;
std::cout << "Bottom Level VkAccelerationStructureBuildSizesInfoKHR.updateScratchSize = " << vk_acceleration_structure_build_sizes_info_khr.updateScratchSize << std::endl;
std::cout << "Bottom Level VkAccelerationStructureBuildSizesInfoKHR.buildScratchSize = " << vk_acceleration_structure_build_sizes_info_khr.buildScratchSize << std::endl;
bottom_level_acceleration_structure_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_ACCELERATION_STRUCTURE_STORAGE | Turbo::Core::TBufferUsageBits::BUFFER_SHADER_DEVICE_ADDRESS, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, vk_acceleration_structure_build_sizes_info_khr.accelerationStructureSize);
// create acceleration structure
VkDevice vk_device = device->GetVkDevice();
VkAccelerationStructureCreateInfoKHR vk_acceleration_structure_create_info_khr = {};
vk_acceleration_structure_create_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR;
vk_acceleration_structure_create_info_khr.pNext = nullptr;
vk_acceleration_structure_create_info_khr.createFlags = VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR;
vk_acceleration_structure_create_info_khr.buffer = bottom_level_acceleration_structure_buffer->GetVkBuffer(); // 将用于存储加速结构的缓存。大小一般可以为VkAccelerationStructureCreateInfoKHR::size，usage为VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR|VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT<由于之后创建顶层加速结构需要底层加速结构的地址，所以需要VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT>
vk_acceleration_structure_create_info_khr.offset = 0; // 单位比特，相对于buffer的偏移之后存储加速结构，需要是256的倍数。
vk_acceleration_structure_create_info_khr.size = vk_acceleration_structure_build_sizes_info_khr.accelerationStructureSize; // 该加速结构需要的大小。大小来源于vkGetAccelerationStructureBuildSizesKHR()函数中VkAccelerationStructureBuildSizesInfoKHR::accelerationStructureSize。
vk_acceleration_structure_create_info_khr.type = VkAccelerationStructureTypeKHR::VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR; // 加速结构的类型：TOP，BOTTOM，GENERIC
vk_acceleration_structure_create_info_khr.deviceAddress = 0; // 如果激活使用了accelerationStructureCaptureReplay特性，该地址为加速结构要求的那个设备地址。目前为VK_NULL_HANDLE
VkAllocationCallbacks *vk_allocation_callbacks = Turbo::Core::TVulkanAllocator::Instance()->GetVkAllocationCallbacks();
VkResult result = device->GetDeviceDriver()->vkCreateAccelerationStructureKHR(vk_device, &vk_acceleration_structure_create_info_khr, vk_allocation_callbacks, &bottom_level_acceleration_structure_khr);
if (result != VK_SUCCESS)
{
std::cout << "Create VkAccelerationStructureKHR Failed" << std::endl;
}
std::cout << "Create VkAccelerationStructureKHR Success" << std::endl;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> scratch_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_STORAGE_BUFFER | Turbo::Core::TBufferUsageBits::BUFFER_SHADER_DEVICE_ADDRESS, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, vk_acceleration_structure_build_sizes_info_khr.buildScratchSize);
VkBufferDeviceAddressInfo scratch_buffer_device_address_info = {};
scratch_buffer_device_address_info.sType = VkStructureType::VK_STRUCTURE_TYPE_BUFFER_DEVICE_ADDRESS_INFO;
scratch_buffer_device_address_info.pNext = nullptr;
scratch_buffer_device_address_info.buffer = scratch_buffer->GetVkBuffer();
VkDeviceAddress scratch_buffer_device_address = 0;
if (device_driver->vkGetBufferDeviceAddress != nullptr)
{
scratch_buffer_device_address = device_driver->vkGetBufferDeviceAddress(vk_device, &scratch_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressKHR != nullptr)
{
scratch_buffer_device_address = device_driver->vkGetBufferDeviceAddressKHR(vk_device, &scratch_buffer_device_address_info);
}
else if (device_driver->vkGetBufferDeviceAddressEXT != nullptr)
{
scratch_buffer_device_address = device_driver->vkGetBufferDeviceAddressEXT(vk_device, &scratch_buffer_device_address_info);
}
if (scratch_buffer_device_address != 0)
{
std::cout << "Successfully get scratch_buffer VkBuffer device local address " << std::endl;
}
vk_acceleration_structure_build_geometry_info_khr.dstAccelerationStructure = bottom_level_acceleration_structure_khr;
vk_acceleration_structure_build_geometry_info_khr.scratchData.deviceAddress = scratch_buffer_device_address;
VkAccelerationStructureBuildRangeInfoKHR vk_acceleration_structure_build_range_info_khr = {};
vk_acceleration_structure_build_range_info_khr.primitiveCount = INDICES_data.size() / 3;
vk_acceleration_structure_build_range_info_khr.primitiveOffset = 0;
vk_acceleration_structure_build_range_info_khr.firstVertex = 0;
vk_acceleration_structure_build_range_info_khr.transformOffset = 0;
std::vector<VkAccelerationStructureBuildRangeInfoKHR> vk_acceleration_structure_build_range_info_khrs;
vk_acceleration_structure_build_range_info_khrs.push_back(vk_acceleration_structure_build_range_info_khr);
std::vector<VkAccelerationStructureBuildRangeInfoKHR * /*指向个数为 VkAccelerationStructureBuildGeometryInfoKHR::geometryCount 的 VkAccelerationStructureBuildRangeInfoKHR 数组*/> build_range_infos; // 该数组内元素个数应与 vkCmdBuildAccelerationStructuresKHR::infoCount 对应
build_range_infos.push_back(vk_acceleration_structure_build_range_info_khrs.data());
// TODO: compaction query pool for compact acceleration structure
{
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
command_buffer->Begin();
device->GetDeviceDriver()->vkCmdBuildAccelerationStructuresKHR(command_buffer->GetVkCommandBuffer(), 1, &vk_acceleration_structure_build_geometry_info_khr, build_range_infos.data());
command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
command_pool->Free(command_buffer);
}
// TODO: compact acceleration structure
{
VkQueryPool query_pool = VK_NULL_HANDLE;
VkQueryPoolCreateInfo vk_query_pool_create_info = {};
vk_query_pool_create_info.sType = VkStructureType::VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO;
vk_query_pool_create_info.pNext = nullptr;
vk_query_pool_create_info.flags = 0;
vk_query_pool_create_info.queryType = VkQueryType::VK_QUERY_TYPE_ACCELERATION_STRUCTURE_COMPACTED_SIZE_KHR;
vk_query_pool_create_info.queryCount = 1;
vk_query_pool_create_info.pipelineStatistics = 0;
result = device->GetDeviceDriver()->vkCreateQueryPool(vk_device, &vk_query_pool_create_info, vk_allocation_callbacks, &query_pool);
if (result != VK_SUCCESS)
{
std::cout << "Create VkQueryPool Failed" << std::endl;
}
std::cout << "Create VkQueryPool Success" << std::endl;
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);
Turbo::Core::TRefPtr<Turbo::Core::TCommandBuffer> command_buffer = command_pool->Allocate();
command_buffer->Begin();
device->GetDeviceDriver()->vkCmdResetQueryPool(command_buffer->GetVkCommandBuffer(), query_pool, 0, 1);
device->GetDeviceDriver()->vkCmdWriteAccelerationStructuresPropertiesKHR(command_buffer->GetVkCommandBuffer(), 1, &bottom_level_acceleration_structure_khr, VkQueryType::VK_QUERY_TYPE_ACCELERATION_STRUCTURE_COMPACTED_SIZE_KHR, query_pool, 0);
command_buffer->End();
Turbo::Core::TRefPtr<Turbo::Core::TFence> fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
VkDeviceSize compact_size = 0;
device->GetDeviceDriver()->vkGetQueryPoolResults(vk_device, query_pool, 0, 1, sizeof(VkDeviceSize), &compact_size, sizeof(VkDeviceSize), VK_QUERY_RESULT_WAIT_BIT | VK_QUERY_RESULT_64_BIT);
std::cout << "compact size:" << compact_size << std::endl;
command_pool->Free(command_buffer);
VkAccelerationStructureKHR compact_bottom_level_acceleration_structure_khr = VK_NULL_HANDLE;
Turbo::Core::TRefPtr<Turbo::Core::TBuffer> compact_bottom_level_acceleration_structure_buffer = new Turbo::Core::TBuffer(device, 0, Turbo::Core::TBufferUsageBits::BUFFER_ACCELERATION_STRUCTURE_STORAGE | Turbo::Core::TBufferUsageBits::BUFFER_SHADER_DEVICE_ADDRESS, Turbo::Core::TMemoryFlagsBits::DEDICATED_MEMORY, compact_size);
VkAccelerationStructureCreateInfoKHR compact_vk_acceleration_structure_create_info_khr = {};
compact_vk_acceleration_structure_create_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR;
compact_vk_acceleration_structure_create_info_khr.pNext = nullptr;
compact_vk_acceleration_structure_create_info_khr.createFlags = 0;
compact_vk_acceleration_structure_create_info_khr.buffer = compact_bottom_level_acceleration_structure_buffer->GetVkBuffer();
compact_vk_acceleration_structure_create_info_khr.offset = 0;
compact_vk_acceleration_structure_create_info_khr.size = compact_size;
compact_vk_acceleration_structure_create_info_khr.type = VkAccelerationStructureTypeKHR::VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR;
compact_vk_acceleration_structure_create_info_khr.deviceAddress = 0;
result = device->GetDeviceDriver()->vkCreateAccelerationStructureKHR(vk_device, &compact_vk_acceleration_structure_create_info_khr, vk_allocation_callbacks, &compact_bottom_level_acceleration_structure_khr);
if (result != VkResult::VK_SUCCESS)
{
std::cout << "vkCreateAccelerationStructureKHR create compact VkAccelerationStructureKHR Failed" << std::endl;
}
std::cout << "vkCreateAccelerationStructureKHR create compact VkAccelerationStructureKHR Success" << std::endl;
VkCopyAccelerationStructureInfoKHR vk_copy_acceleration_structure_info_khr = {};
vk_copy_acceleration_structure_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_COPY_ACCELERATION_STRUCTURE_INFO_KHR;
vk_copy_acceleration_structure_info_khr.pNext = nullptr;
vk_copy_acceleration_structure_info_khr.src = bottom_level_acceleration_structure_khr;
vk_copy_acceleration_structure_info_khr.dst = compact_bottom_level_acceleration_structure_khr;
vk_copy_acceleration_structure_info_khr.mode = VkCopyAccelerationStructureModeKHR::VK_COPY_ACCELERATION_STRUCTURE_MODE_COMPACT_KHR;
command_buffer = command_pool->Allocate();
command_buffer->Begin();
device->GetDeviceDriver()->vkCmdCopyAccelerationStructureKHR(command_buffer->GetVkCommandBuffer(), &vk_copy_acceleration_structure_info_khr);
command_buffer->End();
fence = new Turbo::Core::TFence(device);
queue->Submit(command_buffer, fence);
fence->WaitUntil();
command_pool->Free(command_buffer);
device->GetDeviceDriver()->vkDestroyQueryPool(vk_device, query_pool, vk_allocation_callbacks);
// destroy no compact acceleration structure
device->GetDeviceDriver()->vkDestroyAccelerationStructureKHR(vk_device, bottom_level_acceleration_structure_khr, vk_allocation_callbacks);
// set acceleration structure value to compact version
bottom_level_acceleration_structure_khr = compact_bottom_level_acceleration_structure_khr;
bottom_level_acceleration_structure_buffer = compact_bottom_level_acceleration_structure_buffer;
}
// Top Level Acceleration Structure
VkAccelerationStructureDeviceAddressInfoKHR bottom_level_acceleration_structure_device_address_info_khr = {};
bottom_level_acceleration_structure_device_address_info_khr.sType = VkStructureType::VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_DEVICE_ADDRESS_INFO_KHR;
bottom_level_acceleration_structure_device_address_info_khr.pNext = nullptr;
bottom_level_acceleration_structure_device_address_info_khr.accelerationStructure = bottom_level_acceleration_structure_khr;
VkDeviceAddress bottom_level_acceleration_structure_device_address = device->GetDeviceDriver()->vkGetAccelerationStructureDeviceAddressKHR(vk_device, &bottom_level_acceleration_structure_device_address_info_khr);
std::vector<VkAccelerationStructureInstanceKHR> vk_acceleration_structure_instances;
{
// random instance transform matrix
std::random_device seed;
std::mt19937 gen(seed());
std::normal_distribution<float> dis(1.0f, 1.0f);
std::normal_distribution<float> disn(0.05f, 0.05f);
for (uint32_t instance_index = 0; instance_index < 2000; instance_index++)
{
glm::mat4 instance_model = glm::mat4x3(1.0f);
instance_model = glm::scale(instance_model, glm::vec3(std::abs(disn(gen))));
instance_model = glm::rotate(instance_model, glm::radians(180.0f), glm::vec3(1.0f, 0.0f, 0.0f));
instance_model = glm::rotate(instance_model, glm::radians(dis(gen) * 180 / 3.1415926f), glm::vec3(dis(gen), dis(gen), dis(gen)));
VkTransformMatrixKHR vk_transform_matrix = {};
memcpy(&vk_transform_matrix, &instance_model, sizeof(VkTransformMatrixKHR));
vk_transform_matrix.matrix[0][3] = dis(gen);
vk_transform_matrix.matrix[1][3] = 2 + dis(gen);
vk_transform_matrix.matrix[2][3] = dis(gen);
VkAccelerationStructureInstanceKHR vk_acceleration_structure_instance_khr = {};
vk_acceleration_structure_instance_khr.transform = vk_transform_matrix;
vk_acceleration_structure_instance_khr.instanceCustomIndex = 0;
vk_acceleration_structure_instance_khr.mask = 0xFF;
vk_acceleration_structure_instance_khr.instanceShaderBindingTableRecordOffset = 0;
vk_acceleration_structure_instance_khr.flags = VkGeometryInstanceFlagBitsKHR::VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR;
vk_acceleration_structure_instance_khr.accelerationStructureReference = bottom_level_acceleration_structure_device_address;
vk_acceleration_structure_instances.push_back(vk_acceleration_structure_instance_khr);
}
}
{
Turbo::Core::TRefPtr<Turbo::Core::TCommandBufferPool> command_pool = new Turbo::Core::TCommandBufferPool(queue);