diff --git a/projects/CMakeLists.txt b/projects/CMakeLists.txt
index 1c6e3afe2347f6ef8ea8a62be7acbe0ea750497d..eb16689e3b6fdf2ccd47618d7fee673440dbfc3e 100644
--- a/projects/CMakeLists.txt
+++ b/projects/CMakeLists.txt
@@ -3,6 +3,7 @@
add_subdirectory(bloom)
add_subdirectory(first_triangle)
add_subdirectory(first_mesh)
+add_subdirectory(rtx)
add_subdirectory(particle_simulation)
add_subdirectory(first_scene)
add_subdirectory(voxelization)
diff --git a/projects/rtx/.gitignore b/projects/rtx/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..b0d802667a184267e6ee764264e976dfead8e9dd
--- /dev/null
+++ b/projects/rtx/.gitignore
@@ -0,0 +1 @@
+first_scene
diff --git a/projects/rtx/CMakeLists.txt b/projects/rtx/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3c07a5bbcb3b854b9a23bd212e28a83125b5be9
--- /dev/null
+++ b/projects/rtx/CMakeLists.txt
@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.16)
+project(rtx)
+
+# setting c++ standard for the project
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# this should fix the execution path to load local files from the project
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+
+# adding source files to the project
+add_executable(rtx src/main.cpp)
+
+# this should fix the execution path to load local files from the project (for MSVC)
+if(MSVC)
+ set_target_properties(rtx PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+ set_target_properties(rtx PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+
+ # in addition to setting the output directory, the working directory has to be set
+ # by default visual studio sets the working directory to the build directory, when using the debugger
+ set_target_properties(rtx PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
+endif()
+
+# including headers of dependencies and the VkCV framework
+target_include_directories(rtx SYSTEM BEFORE PRIVATE ${vkcv_include} ${vkcv_includes} ${vkcv_asset_loader_include} ${vkcv_camera_include})
+
+# linking with libraries from all dependencies and the VkCV framework
+target_link_libraries(rtx vkcv ${vkcv_libraries} vkcv_asset_loader ${vkcv_asset_loader_libraries} vkcv_camera)
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new file mode 100644
index 0000000000000000000000000000000000000000..8258525f22097f2382ec5c26ad0df7eb50718642
--- /dev/null
+++ b/projects/rtx/resources/Cutlery/Cutlery_chrome_BaseColor.png
@@ -0,0 +1,3 @@
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+size 109
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new file mode 100644
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+size 2332064
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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new file mode 100644
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+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Sponza/sponza_fabric_green_diff.png b/projects/rtx/resources/Sponza/sponza_fabric_green_diff.png
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Sponza/sponza_flagpole_diff.png b/projects/rtx/resources/Sponza/sponza_flagpole_diff.png
new file mode 100644
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@@ -0,0 +1,3 @@
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diff --git a/projects/rtx/resources/Sponza/sponza_floor_a_diff.png b/projects/rtx/resources/Sponza/sponza_floor_a_diff.png
new file mode 100644
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 1996838
diff --git a/projects/rtx/resources/Sponza/sponza_roof_diff.png b/projects/rtx/resources/Sponza/sponza_roof_diff.png
new file mode 100644
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Sponza/sponza_thorn_diff.png b/projects/rtx/resources/Sponza/sponza_thorn_diff.png
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Sponza/vase_dif.png b/projects/rtx/resources/Sponza/vase_dif.png
new file mode 100644
index 0000000000000000000000000000000000000000..61236a81cb324af8797b05099cd264cefe189e56
--- /dev/null
+++ b/projects/rtx/resources/Sponza/vase_dif.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 1842101
diff --git a/projects/rtx/resources/Sponza/vase_hanging.png b/projects/rtx/resources/Sponza/vase_hanging.png
new file mode 100644
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--- /dev/null
+++ b/projects/rtx/resources/Sponza/vase_hanging.png
@@ -0,0 +1,3 @@
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diff --git a/projects/rtx/resources/Sponza/vase_plant.png b/projects/rtx/resources/Sponza/vase_plant.png
new file mode 100644
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diff --git a/projects/rtx/resources/Sponza/vase_round.png b/projects/rtx/resources/Sponza/vase_round.png
new file mode 100644
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diff --git a/projects/rtx/resources/Szene/Szene.bin b/projects/rtx/resources/Szene/Szene.bin
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Szene/Szene.gltf b/projects/rtx/resources/Szene/Szene.gltf
new file mode 100644
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--- /dev/null
+++ b/projects/rtx/resources/Szene/Szene.gltf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Szene/boards2_vcyc.jpg b/projects/rtx/resources/Szene/boards2_vcyc.jpg
new file mode 100644
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--- /dev/null
+++ b/projects/rtx/resources/Szene/boards2_vcyc.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/Szene/boards2_vcyc_jpg.jpg b/projects/rtx/resources/Szene/boards2_vcyc_jpg.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..2636039e272289c0fba3fa2d88a060b857501248
--- /dev/null
+++ b/projects/rtx/resources/Szene/boards2_vcyc_jpg.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/projects/rtx/resources/shaders/compile.bat b/projects/rtx/resources/shaders/compile.bat
new file mode 100644
index 0000000000000000000000000000000000000000..b4521235c40fe5fb163bab874560c2f219b7517f
--- /dev/null
+++ b/projects/rtx/resources/shaders/compile.bat
@@ -0,0 +1,3 @@
+%VULKAN_SDK%\Bin32\glslc.exe shader.vert -o vert.spv
+%VULKAN_SDK%\Bin32\glslc.exe shader.frag -o frag.spv
+pause
\ No newline at end of file
diff --git a/projects/rtx/resources/shaders/frag.spv b/projects/rtx/resources/shaders/frag.spv
new file mode 100644
index 0000000000000000000000000000000000000000..087e4e22fb2fcec27d99b3ff2aa1a705fe755796
Binary files /dev/null and b/projects/rtx/resources/shaders/frag.spv differ
diff --git a/projects/rtx/resources/shaders/shader.frag b/projects/rtx/resources/shaders/shader.frag
new file mode 100644
index 0000000000000000000000000000000000000000..b5494bea7d6497e2e3dcd8559606864a71adb74e
--- /dev/null
+++ b/projects/rtx/resources/shaders/shader.frag
@@ -0,0 +1,15 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 passNormal;
+layout(location = 1) in vec2 passUV;
+
+layout(location = 0) out vec3 outColor;
+
+layout(set=0, binding=0) uniform texture2D meshTexture;
+layout(set=0, binding=1) uniform sampler textureSampler;
+
+void main() {
+ outColor = texture(sampler2D(meshTexture, textureSampler), passUV).rgb;
+ //outColor = passNormal * 0.5 + 0.5;
+}
\ No newline at end of file
diff --git a/projects/rtx/resources/shaders/shader.vert b/projects/rtx/resources/shaders/shader.vert
new file mode 100644
index 0000000000000000000000000000000000000000..76855152253b48b7400f016d063ed4f0e507435e
--- /dev/null
+++ b/projects/rtx/resources/shaders/shader.vert
@@ -0,0 +1,19 @@
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inNormal;
+layout(location = 2) in vec2 inUV;
+
+layout(location = 0) out vec3 passNormal;
+layout(location = 1) out vec2 passUV;
+
+layout( push_constant ) uniform constants{
+ mat4 mvp;
+};
+
+void main() {
+ gl_Position = mvp * vec4(inPosition, 1.0);
+ passNormal = inNormal;
+ passUV = inUV;
+}
\ No newline at end of file
diff --git a/projects/rtx/resources/shaders/vert.spv b/projects/rtx/resources/shaders/vert.spv
new file mode 100644
index 0000000000000000000000000000000000000000..374c023e14b351eb43cbcda5951cbb8b3d6f96a1
Binary files /dev/null and b/projects/rtx/resources/shaders/vert.spv differ
diff --git a/projects/rtx/src/main.cpp b/projects/rtx/src/main.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3f95d3187827a9ef3b0cb13fb40f0ed400379ba0
--- /dev/null
+++ b/projects/rtx/src/main.cpp
@@ -0,0 +1,264 @@
+#include <iostream>
+#include <vkcv/Core.hpp>
+#include <GLFW/glfw3.h>
+#include <vkcv/camera/CameraManager.hpp>
+#include <chrono>
+#include <vkcv/asset/asset_loader.hpp>
+#include <vkcv/Logger.hpp>
+
+glm::mat4 arrayTo4x4Matrix(std::array<float,16> array){
+ glm::mat4 matrix;
+ for (int i = 0; i < 4; i++){
+ for (int j = 0; j < 4; j++){
+ matrix[i][j] = array[j * 4 + i];
+ }
+ }
+ return matrix;
+}
+
+int main(int argc, const char** argv) {
+ const char* applicationName = "First Scene (RTX ON)";
+
+ uint32_t windowWidth = 800;
+ uint32_t windowHeight = 600;
+
+ vkcv::Window window = vkcv::Window::create(
+ applicationName,
+ windowWidth,
+ windowHeight,
+ true
+ );
+
+ vkcv::camera::CameraManager cameraManager(window);
+ uint32_t camIndex0 = cameraManager.addCamera(vkcv::camera::ControllerType::PILOT);
+ uint32_t camIndex1 = cameraManager.addCamera(vkcv::camera::ControllerType::TRACKBALL);
+
+ cameraManager.getCamera(camIndex0).setPosition(glm::vec3(0, 0, -3));
+ cameraManager.getCamera(camIndex0).setNearFar(0.1f, 30.0f);
+
+ cameraManager.getCamera(camIndex1).setNearFar(0.1f, 30.0f);
+
+ vkcv::Core core = vkcv::Core::create(
+ window,
+ applicationName,
+ VK_MAKE_VERSION(0, 0, 1),
+ { vk::QueueFlagBits::eGraphics ,vk::QueueFlagBits::eCompute , vk::QueueFlagBits::eTransfer },
+ {},
+ { "VK_KHR_swapchain" }
+ );
+
+ vkcv::asset::Scene scene;
+
+ const char* path = argc > 1 ? argv[1] : "resources/Sponza/Sponza.gltf";
+ int result = vkcv::asset::loadScene(path, scene);
+
+ if (result == 1) {
+ std::cout << "Mesh loading successful!" << std::endl;
+ }
+ else {
+ std::cout << "Mesh loading failed: " << result << std::endl;
+ return 1;
+ }
+
+ assert(!scene.vertexGroups.empty());
+ std::vector<std::vector<uint8_t>> vBuffers;
+ std::vector<std::vector<uint8_t>> iBuffers;
+
+ std::vector<vkcv::VertexBufferBinding> vBufferBindings;
+ std::vector<std::vector<vkcv::VertexBufferBinding>> vertexBufferBindings;
+ std::vector<vkcv::asset::VertexAttribute> vAttributes;
+
+ for (int i = 0; i < scene.vertexGroups.size(); i++) {
+
+ vBuffers.push_back(scene.vertexGroups[i].vertexBuffer.data);
+ iBuffers.push_back(scene.vertexGroups[i].indexBuffer.data);
+
+ auto& attributes = scene.vertexGroups[i].vertexBuffer.attributes;
+
+ std::sort(attributes.begin(), attributes.end(), [](const vkcv::asset::VertexAttribute& x, const vkcv::asset::VertexAttribute& y) {
+ return static_cast<uint32_t>(x.type) < static_cast<uint32_t>(y.type);
+ });
+ }
+
+ std::vector<vkcv::Buffer<uint8_t>> vertexBuffers;
+ for (const vkcv::asset::VertexGroup& group : scene.vertexGroups) {
+ vertexBuffers.push_back(core.createBuffer<uint8_t>(
+ vkcv::BufferType::VERTEX,
+ group.vertexBuffer.data.size()));
+ vertexBuffers.back().fill(group.vertexBuffer.data);
+ }
+
+ std::vector<vkcv::Buffer<uint8_t>> indexBuffers;
+ for (const auto& dataBuffer : iBuffers) {
+ indexBuffers.push_back(core.createBuffer<uint8_t>(
+ vkcv::BufferType::INDEX,
+ dataBuffer.size()));
+ indexBuffers.back().fill(dataBuffer);
+ }
+
+ int vertexBufferIndex = 0;
+ for (const auto& vertexGroup : scene.vertexGroups) {
+ for (const auto& attribute : vertexGroup.vertexBuffer.attributes) {
+ vAttributes.push_back(attribute);
+ vBufferBindings.push_back(vkcv::VertexBufferBinding(attribute.offset, vertexBuffers[vertexBufferIndex].getVulkanHandle()));
+ }
+ vertexBufferBindings.push_back(vBufferBindings);
+ vBufferBindings.clear();
+ vertexBufferIndex++;
+ }
+
+ const vkcv::AttachmentDescription present_color_attachment(
+ vkcv::AttachmentOperation::STORE,
+ vkcv::AttachmentOperation::CLEAR,
+ core.getSwapchain().getFormat()
+ );
+
+ const vkcv::AttachmentDescription depth_attachment(
+ vkcv::AttachmentOperation::STORE,
+ vkcv::AttachmentOperation::CLEAR,
+ vk::Format::eD32Sfloat
+ );
+
+ vkcv::PassConfig scenePassDefinition({ present_color_attachment, depth_attachment });
+ vkcv::PassHandle scenePass = core.createPass(scenePassDefinition);
+
+ if (!scenePass) {
+ std::cout << "Error. Could not create renderpass. Exiting." << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ vkcv::ShaderProgram sceneShaderProgram{};
+ sceneShaderProgram.addShader(vkcv::ShaderStage::VERTEX, std::filesystem::path("resources/shaders/vert.spv"));
+ sceneShaderProgram.addShader(vkcv::ShaderStage::FRAGMENT, std::filesystem::path("resources/shaders/frag.spv"));
+
+ const std::vector<vkcv::VertexAttachment> vertexAttachments = sceneShaderProgram.getVertexAttachments();
+ std::vector<vkcv::VertexBinding> bindings;
+ for (size_t i = 0; i < vertexAttachments.size(); i++) {
+ bindings.push_back(vkcv::VertexBinding(i, { vertexAttachments[i] }));
+ }
+
+ const vkcv::VertexLayout sceneLayout(bindings);
+
+ uint32_t setID = 0;
+
+ std::vector<vkcv::DescriptorBinding> descriptorBindings = { sceneShaderProgram.getReflectedDescriptors()[setID] };
+
+ vkcv::SamplerHandle sampler = core.createSampler(
+ vkcv::SamplerFilterType::LINEAR,
+ vkcv::SamplerFilterType::LINEAR,
+ vkcv::SamplerMipmapMode::LINEAR,
+ vkcv::SamplerAddressMode::REPEAT
+ );
+
+ std::vector<vkcv::Image> sceneImages;
+ std::vector<vkcv::DescriptorSetHandle> descriptorSets;
+ for (const auto& vertexGroup : scene.vertexGroups) {
+ descriptorSets.push_back(core.createDescriptorSet(descriptorBindings));
+
+ const auto& material = scene.materials[vertexGroup.materialIndex];
+
+ int baseColorIndex = material.baseColor;
+ if (baseColorIndex < 0) {
+ vkcv_log(vkcv::LogLevel::WARNING, "Material lacks base color");
+ baseColorIndex = 0;
+ }
+
+ vkcv::asset::Texture& sceneTexture = scene.textures[baseColorIndex];
+
+ sceneImages.push_back(core.createImage(vk::Format::eR8G8B8A8Srgb, sceneTexture.w, sceneTexture.h));
+ sceneImages.back().fill(sceneTexture.data.data());
+
+ vkcv::DescriptorWrites setWrites;
+ setWrites.sampledImageWrites = { vkcv::SampledImageDescriptorWrite(0, sceneImages.back().getHandle()) };
+ setWrites.samplerWrites = { vkcv::SamplerDescriptorWrite(1, sampler) };
+ core.writeDescriptorSet(descriptorSets.back(), setWrites);
+ }
+
+ const vkcv::PipelineConfig scenePipelineDefsinition{
+ sceneShaderProgram,
+ UINT32_MAX,
+ UINT32_MAX,
+ scenePass,
+ {sceneLayout},
+ { core.getDescriptorSet(descriptorSets[0]).layout },
+ true };
+ vkcv::PipelineHandle scenePipeline = core.createGraphicsPipeline(scenePipelineDefsinition);
+
+ if (!scenePipeline) {
+ std::cout << "Error. Could not create graphics pipeline. Exiting." << std::endl;
+ return EXIT_FAILURE;
+ }
+
+ vkcv::ImageHandle depthBuffer = core.createImage(vk::Format::eD32Sfloat, windowWidth, windowHeight).getHandle();
+
+ const vkcv::ImageHandle swapchainInput = vkcv::ImageHandle::createSwapchainImageHandle();
+
+ std::vector<vkcv::DrawcallInfo> drawcalls;
+ for(int i = 0; i < scene.vertexGroups.size(); i++){
+ vkcv::Mesh renderMesh(vertexBufferBindings[i], indexBuffers[i].getVulkanHandle(), scene.vertexGroups[i].numIndices);
+
+ vkcv::DescriptorSetUsage descriptorUsage(0, core.getDescriptorSet(descriptorSets[i]).vulkanHandle);
+
+ drawcalls.push_back(vkcv::DrawcallInfo(renderMesh, {descriptorUsage},1));
+ }
+
+ std::vector<glm::mat4> modelMatrices;
+ modelMatrices.resize(scene.vertexGroups.size(), glm::mat4(1.f));
+ for (const auto &mesh : scene.meshes) {
+ const glm::mat4 m = arrayTo4x4Matrix(mesh.modelMatrix);
+ for (const auto &vertexGroupIndex : mesh.vertexGroups) {
+ modelMatrices[vertexGroupIndex] = m;
+ }
+ }
+ std::vector<glm::mat4> mvp;
+
+ auto start = std::chrono::system_clock::now();
+ while (window.isWindowOpen()) {
+ vkcv::Window::pollEvents();
+
+ if(window.getHeight() == 0 || window.getWidth() == 0)
+ continue;
+
+ uint32_t swapchainWidth, swapchainHeight;
+ if (!core.beginFrame(swapchainWidth, swapchainHeight)) {
+ continue;
+ }
+
+ if ((swapchainWidth != windowWidth) || ((swapchainHeight != windowHeight))) {
+ depthBuffer = core.createImage(vk::Format::eD32Sfloat, swapchainWidth, swapchainHeight).getHandle();
+
+ windowWidth = swapchainWidth;
+ windowHeight = swapchainHeight;
+ }
+
+ auto end = std::chrono::system_clock::now();
+ auto deltatime = std::chrono::duration_cast<std::chrono::microseconds>(end - start);
+
+ start = end;
+ cameraManager.update(0.000001 * static_cast<double>(deltatime.count()));
+ glm::mat4 vp = cameraManager.getActiveCamera().getMVP();
+
+ mvp.clear();
+ for (const auto& m : modelMatrices) {
+ mvp.push_back(vp * m);
+ }
+
+ vkcv::PushConstantData pushConstantData((void*)mvp.data(), sizeof(glm::mat4));
+
+ const std::vector<vkcv::ImageHandle> renderTargets = { swapchainInput, depthBuffer };
+ auto cmdStream = core.createCommandStream(vkcv::QueueType::Graphics);
+
+ core.recordDrawcallsToCmdStream(
+ cmdStream,
+ scenePass,
+ scenePipeline,
+ pushConstantData,
+ drawcalls,
+ renderTargets);
+ core.prepareSwapchainImageForPresent(cmdStream);
+ core.submitCommandStream(cmdStream);
+ core.endFrame();
+ }
+
+ return 0;
+}