Using Vulkan C API
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mklefrancois
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b3e6d84807
commit
e642e9dc3a
83 changed files with 8015 additions and 8163 deletions
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@ -23,21 +23,18 @@
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// at the top of imgui.cpp.
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#include <array>
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#include <vulkan/vulkan.hpp>
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VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE
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#include "backends/imgui_impl_glfw.h"
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#include "imgui.h"
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#include "hello_vulkan.h"
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#include "imgui/imgui_camera_widget.h"
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#include "nvh/cameramanipulator.hpp"
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#include "nvh/fileoperations.hpp"
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#include "nvpsystem.hpp"
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#include "nvvk/appbase_vkpp.hpp"
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#include "nvvk/commands_vk.hpp"
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#include "nvvk/context_vk.hpp"
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#include "imgui/imgui_camera_widget.h"
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#include <random>
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//////////////////////////////////////////////////////////////////////////
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@ -47,6 +44,7 @@ VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE
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// Default search path for shaders
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std::vector<std::string> defaultSearchPaths;
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// GLFW Callback functions
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static void onErrorCallback(int error, const char* description)
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{
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@ -70,18 +68,15 @@ void renderUI(HelloVulkan& helloVk)
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if(helloVk.m_pushConstants.lightType < 2)
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{
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changed |= ImGui::SliderFloat3("Light Position", &helloVk.m_pushConstants.lightPosition.x,
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-20.f, 20.f);
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changed |= ImGui::SliderFloat3("Light Position", &helloVk.m_pushConstants.lightPosition.x, -20.f, 20.f);
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}
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if(helloVk.m_pushConstants.lightType > 0)
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{
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changed |= ImGui::SliderFloat3("Light Direction", &helloVk.m_pushConstants.lightDirection.x,
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-1.f, 1.f);
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changed |= ImGui::SliderFloat3("Light Direction", &helloVk.m_pushConstants.lightDirection.x, -1.f, 1.f);
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}
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if(helloVk.m_pushConstants.lightType < 2)
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{
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changed |= ImGui::SliderFloat("Light Intensity", &helloVk.m_pushConstants.lightIntensity, 0.f,
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500.f);
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changed |= ImGui::SliderFloat("Light Intensity", &helloVk.m_pushConstants.lightIntensity, 0.f, 500.f);
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}
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if(helloVk.m_pushConstants.lightType == 1)
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{
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@ -121,8 +116,7 @@ int main(int argc, char** argv)
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return 1;
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}
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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GLFWwindow* window =
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glfwCreateWindow(SAMPLE_WIDTH, SAMPLE_HEIGHT, PROJECT_NAME, nullptr, nullptr);
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GLFWwindow* window = glfwCreateWindow(SAMPLE_WIDTH, SAMPLE_HEIGHT, PROJECT_NAME, nullptr, nullptr);
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// Setup camera
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CameraManip.setWindowSize(SAMPLE_WIDTH, SAMPLE_HEIGHT);
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@ -151,7 +145,7 @@ int main(int argc, char** argv)
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contextInfo.addInstanceLayer("VK_LAYER_LUNARG_monitor", true);
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contextInfo.addInstanceExtension(VK_EXT_DEBUG_UTILS_EXTENSION_NAME, true);
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contextInfo.addInstanceExtension(VK_KHR_SURFACE_EXTENSION_NAME);
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#ifdef WIN32
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#ifdef _WIN32
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contextInfo.addInstanceExtension(VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
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#else
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contextInfo.addInstanceExtension(VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
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@ -163,18 +157,16 @@ int main(int argc, char** argv)
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contextInfo.addDeviceExtension(VK_KHR_GET_MEMORY_REQUIREMENTS_2_EXTENSION_NAME);
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contextInfo.addDeviceExtension(VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME);
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contextInfo.addDeviceExtension(VK_EXT_SCALAR_BLOCK_LAYOUT_EXTENSION_NAME);
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// #VKRay: Activate the ray tracing extension
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VkPhysicalDeviceAccelerationStructureFeaturesKHR accelFeature{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_FEATURES_KHR};
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contextInfo.addDeviceExtension(VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME, false, &accelFeature);
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VkPhysicalDeviceRayTracingPipelineFeaturesKHR rtPipelineFeature{VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_RAY_TRACING_PIPELINE_FEATURES_KHR};
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contextInfo.addDeviceExtension(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME, false, &rtPipelineFeature);
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contextInfo.addDeviceExtension(VK_KHR_MAINTENANCE3_EXTENSION_NAME);
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contextInfo.addDeviceExtension(VK_KHR_PIPELINE_LIBRARY_EXTENSION_NAME);
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contextInfo.addDeviceExtension(VK_KHR_DEFERRED_HOST_OPERATIONS_EXTENSION_NAME);
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contextInfo.addDeviceExtension(VK_KHR_BUFFER_DEVICE_ADDRESS_EXTENSION_NAME);
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// #VKRay: Activate the ray tracing extension
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vk::PhysicalDeviceAccelerationStructureFeaturesKHR accelFeature;
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contextInfo.addDeviceExtension(VK_KHR_ACCELERATION_STRUCTURE_EXTENSION_NAME, false,
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&accelFeature);
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vk::PhysicalDeviceRayTracingPipelineFeaturesKHR rtPipelineFeature;
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contextInfo.addDeviceExtension(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME, false,
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&rtPipelineFeature);
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// Creating Vulkan base application
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nvvk::Context vkctx{};
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@ -189,11 +181,10 @@ int main(int argc, char** argv)
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HelloVulkan helloVk;
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// Window need to be opened to get the surface on which to draw
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const vk::SurfaceKHR surface = helloVk.getVkSurface(vkctx.m_instance, window);
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const VkSurfaceKHR surface = helloVk.getVkSurface(vkctx.m_instance, window);
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vkctx.setGCTQueueWithPresent(surface);
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helloVk.setup(vkctx.m_instance, vkctx.m_device, vkctx.m_physicalDevice,
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vkctx.m_queueGCT.familyIndex);
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helloVk.setup(vkctx.m_instance, vkctx.m_device, vkctx.m_physicalDevice, vkctx.m_queueGCT.familyIndex);
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helloVk.createSwapchain(surface, SAMPLE_WIDTH, SAMPLE_HEIGHT);
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helloVk.createDepthBuffer();
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helloVk.createRenderPass();
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@ -202,14 +193,13 @@ int main(int argc, char** argv)
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// Setup Imgui
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helloVk.initGUI(0); // Using sub-pass 0
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// Creating scene
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// Creation of the example
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helloVk.loadModel(nvh::findFile("media/scenes/Medieval_building.obj", defaultSearchPaths, true));
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helloVk.loadModel(nvh::findFile("media/scenes/plane.obj", defaultSearchPaths, true));
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helloVk.loadModel(nvh::findFile("media/scenes/wuson.obj", defaultSearchPaths, true),
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nvmath::scale_mat4(nvmath::vec3f(0.5f))
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* nvmath::translation_mat4(nvmath::vec3f(0.0f, 0.0f, 6.0f)));
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nvmath::scale_mat4(nvmath::vec3f(0.5f)) * nvmath::translation_mat4(nvmath::vec3f(0.0f, 0.0f, 6.0f)));
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std::random_device rd; // Will be used to obtain a seed for the random number engine
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std::random_device rd; // Will be used to obtain a seed for the random number engine
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std::mt19937 gen(rd()); // Standard mersenne_twister_engine seeded with rd()
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std::normal_distribution<float> dis(2.0f, 2.0f);
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std::normal_distribution<float> disn(0.5f, 0.2f);
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@ -278,11 +268,12 @@ int main(int argc, char** argv)
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// Start the Dear ImGui frame
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ImGui_ImplGlfw_NewFrame();
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ImGui::NewFrame();
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// Show UI window.
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if(helloVk.showGui())
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{
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ImGui::NewFrame();
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ImGuiH::Panel::Begin();
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bool changed = false;
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// Edit 3 floats representing a color
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@ -292,11 +283,8 @@ int main(int argc, char** argv)
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if(changed)
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helloVk.resetFrame();
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renderUI(helloVk);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)",
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1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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ImGuiH::Control::Info("", "", "(F10) Toggle Pane", ImGuiH::Control::Flags::Disabled);
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ImGuiH::Panel::End();
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}
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@ -305,28 +293,29 @@ int main(int argc, char** argv)
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helloVk.prepareFrame();
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// Start command buffer of this frame
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auto curFrame = helloVk.getCurFrame();
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const vk::CommandBuffer& cmdBuf = helloVk.getCommandBuffers()[curFrame];
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auto curFrame = helloVk.getCurFrame();
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const VkCommandBuffer& cmdBuf = helloVk.getCommandBuffers()[curFrame];
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cmdBuf.begin({vk::CommandBufferUsageFlagBits::eOneTimeSubmit});
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VkCommandBufferBeginInfo beginInfo{VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO};
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beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
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vkBeginCommandBuffer(cmdBuf, &beginInfo);
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// Updating camera buffer
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helloVk.updateUniformBuffer(cmdBuf);
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// Clearing screen
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std::array<vk::ClearValue, 2> clearValues;
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clearValues[0].setColor(
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std::array<float, 4>({clearColor[0], clearColor[1], clearColor[2], clearColor[3]}));
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clearValues[1].setDepthStencil({1.0f, 0});
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std::array<VkClearValue, 2> clearValues{};
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clearValues[0].color = {{clearColor[0], clearColor[1], clearColor[2], clearColor[3]}};
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clearValues[1].depthStencil = {1.0f, 0};
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// Offscreen render pass
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{
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vk::RenderPassBeginInfo offscreenRenderPassBeginInfo;
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offscreenRenderPassBeginInfo.setClearValueCount(2);
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offscreenRenderPassBeginInfo.setPClearValues(clearValues.data());
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offscreenRenderPassBeginInfo.setRenderPass(offscreen.renderPass());
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offscreenRenderPassBeginInfo.setFramebuffer(offscreen.frameBuffer());
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offscreenRenderPassBeginInfo.setRenderArea({{}, helloVk.getSize()});
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VkRenderPassBeginInfo offscreenRenderPassBeginInfo{VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO};
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offscreenRenderPassBeginInfo.clearValueCount = 2;
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offscreenRenderPassBeginInfo.pClearValues = clearValues.data();
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offscreenRenderPassBeginInfo.renderPass = offscreen.renderPass();
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offscreenRenderPassBeginInfo.framebuffer = offscreen.frameBuffer();
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offscreenRenderPassBeginInfo.renderArea = {{0, 0}, helloVk.getSize()};
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// Rendering Scene
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if(useRaytracer)
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@ -335,40 +324,41 @@ int main(int argc, char** argv)
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}
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else
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{
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cmdBuf.beginRenderPass(offscreenRenderPassBeginInfo, vk::SubpassContents::eInline);
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vkCmdBeginRenderPass(cmdBuf, &offscreenRenderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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helloVk.rasterize(cmdBuf);
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cmdBuf.endRenderPass();
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vkCmdEndRenderPass(cmdBuf);
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}
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}
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// 2nd rendering pass: tone mapper, UI
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{
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vk::RenderPassBeginInfo postRenderPassBeginInfo;
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postRenderPassBeginInfo.setClearValueCount(2);
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postRenderPassBeginInfo.setPClearValues(clearValues.data());
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postRenderPassBeginInfo.setRenderPass(helloVk.getRenderPass());
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postRenderPassBeginInfo.setFramebuffer(helloVk.getFramebuffers()[curFrame]);
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postRenderPassBeginInfo.setRenderArea({{}, helloVk.getSize()});
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VkRenderPassBeginInfo postRenderPassBeginInfo{VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO};
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postRenderPassBeginInfo.clearValueCount = 2;
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postRenderPassBeginInfo.pClearValues = clearValues.data();
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postRenderPassBeginInfo.renderPass = helloVk.getRenderPass();
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postRenderPassBeginInfo.framebuffer = helloVk.getFramebuffers()[curFrame];
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postRenderPassBeginInfo.renderArea = {{0, 0}, helloVk.getSize()};
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cmdBuf.beginRenderPass(postRenderPassBeginInfo, vk::SubpassContents::eInline);
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// Rendering tonemapper
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vkCmdBeginRenderPass(cmdBuf, &postRenderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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offscreen.draw(cmdBuf, helloVk.getSize());
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// Rendering UI
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ImGui::Render();
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ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), cmdBuf);
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cmdBuf.endRenderPass();
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vkCmdEndRenderPass(cmdBuf);
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}
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// Submit for display
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cmdBuf.end();
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vkEndCommandBuffer(cmdBuf);
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helloVk.submitFrame();
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}
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// Cleanup
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helloVk.getDevice().waitIdle();
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vkDeviceWaitIdle(helloVk.getDevice());
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helloVk.destroyResources();
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helloVk.destroy();
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vkctx.deinit();
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glfwDestroyWindow(window);
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