Start 3D. DescriptionPool, DescriptionSets and more other

Core/Core/CoreInstance.cpp

@@ -33,7 +33,7 @@ CoreInstance::CoreInstance()
 	countCPU_ = System::getCountCPU();
 	memorySize_ = System::getMemorySize();
 
-	 std::ifstream main_config_file(main_config_name);
+	std::ifstream main_config_file(main_config_name);
 	std::string payload;
 	
 	 if (main_config_file.fail())

Core/Core/RenderEngine/ModelManager.hpp

@@ -11,7 +11,7 @@ class ModelManager
 public:
     struct Voxel
     {
-        glm::ivec3 loc, color;
+        glm::vec3 loc, color;
         int mass;
     };
     class StaticModel

Core/Core/RenderEngine/RenderEngine.cpp

@@ -4,6 +4,7 @@
 #include <set>
 #include <stdexcept>
 #include <fstream>
+#include <chrono>
 
 #include "Core/CoreInstance.hpp"
 #include "Log/Log.hpp"
@@ -518,6 +519,90 @@ void RenderEngine::create_render_pass()
     VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_));
 }
 
+void RenderEngine::create_description_set_layout()
+{
+    VkDescriptorSetLayoutBinding ubo_layout_binding{};
+    ubo_layout_binding.binding = 0;
+    ubo_layout_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+    ubo_layout_binding.descriptorCount = 1;
+    ubo_layout_binding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
+    ubo_layout_binding.pImmutableSamplers = nullptr;
+
+    VkDescriptorSetLayoutCreateInfo ubo_layout_info{};
+    ubo_layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
+    ubo_layout_info.bindingCount = 1;
+    ubo_layout_info.pBindings = &ubo_layout_binding;
+
+    VK_CHECK(vkCreateDescriptorSetLayout(device_, &ubo_layout_info, nullptr, &ubo_layout_binding_));
+}
+
+void RenderEngine::create_uniform_buffers()
+{
+    uniform_buffers_.resize(swapchain_images_.size());
+    uniform_buffers_memory_.resize(swapchain_images_.size());
+    uniform_buffers_mapped_.resize(swapchain_images_.size());
+
+    std::vector<uint32_t> arr_indices = get_unique_family_indices(find_queue_family_indices(physical_device_, surface_));
+    for (size_t i = 0; i < swapchain_images_.size(); ++i)
+    {
+        const VkDeviceSize size = sizeof(UniformBufferObject);
+        create_buffer(size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, &uniform_buffers_[i], arr_indices);
+        allocate_memory(uniform_buffers_[i], VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &uniform_buffers_memory_[i]);
+        vkBindBufferMemory(device_, uniform_buffers_[i], uniform_buffers_memory_[i], 0);
+
+        vkMapMemory(device_, uniform_buffers_memory_[i], 0, size, 0, &uniform_buffers_mapped_[i]);
+    }
+}
+
+void RenderEngine::create_descriptor_pool()
+{
+    VkDescriptorPoolSize pool_size{};
+    pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+    pool_size.descriptorCount = static_cast<uint32_t>(swapchain_images_.size());
+
+    VkDescriptorPoolCreateInfo descriptor_pool_info{};
+    descriptor_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+    descriptor_pool_info.poolSizeCount = 1;
+    descriptor_pool_info.pPoolSizes = &pool_size;
+    descriptor_pool_info.maxSets = static_cast<uint32_t>(swapchain_images_.size());
+
+    VK_CHECK(vkCreateDescriptorPool(device_, &descriptor_pool_info, nullptr, &descriptor_pool_));
+}
+
+void RenderEngine::create_descriptor_sets()
+{
+    std::vector<VkDescriptorSetLayout> layouts(swapchain_images_.size(), ubo_layout_binding_);
+    VkDescriptorSetAllocateInfo descriptor_set_allocate_info{};
+    descriptor_set_allocate_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
+    descriptor_set_allocate_info.descriptorPool = descriptor_pool_;
+    descriptor_set_allocate_info.descriptorSetCount = static_cast<uint32_t>(swapchain_images_.size());
+    descriptor_set_allocate_info.pSetLayouts = layouts.data();
+
+    descriptor_sets_.resize(swapchain_images_.size());
+    VK_CHECK(vkAllocateDescriptorSets(device_, &descriptor_set_allocate_info, descriptor_sets_.data()));
+
+    for (size_t i = 0; i < swapchain_images_.size(); ++i)
+    {
+        VkDescriptorBufferInfo buffer_info{};
+        buffer_info.buffer = uniform_buffers_[i];
+        buffer_info.offset = 0;
+        buffer_info.range = sizeof(UniformBufferObject);
+
+        VkWriteDescriptorSet write_descriptor_set{};
+        write_descriptor_set.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+        write_descriptor_set.dstSet = descriptor_sets_[i];
+        write_descriptor_set.dstBinding = 0;
+        write_descriptor_set.dstArrayElement = 0;
+        write_descriptor_set.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
+        write_descriptor_set.descriptorCount = 1;
+        write_descriptor_set.pBufferInfo = &buffer_info;
+        write_descriptor_set.pImageInfo = nullptr;
+        write_descriptor_set.pTexelBufferView = nullptr;
+
+        vkUpdateDescriptorSets(device_, 1, &write_descriptor_set, 0, nullptr);
+    }
+}
+
 void RenderEngine::create_graphics_pipeline()
 {
     std::ifstream vertex_shader_file("Shaders/vertex.spv", std::ios::binary);
@@ -601,7 +686,7 @@ void RenderEngine::create_graphics_pipeline()
     rasterization_info.polygonMode = VK_POLYGON_MODE_FILL;
     rasterization_info.lineWidth = 1.0f;
     rasterization_info.cullMode = VK_CULL_MODE_BACK_BIT;
-    rasterization_info.frontFace = VK_FRONT_FACE_CLOCKWISE;
+    rasterization_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
     rasterization_info.depthBiasEnable = VK_FALSE;
 
     VkPipelineMultisampleStateCreateInfo multisample_info{};
@@ -631,6 +716,8 @@ void RenderEngine::create_graphics_pipeline()
 
     VkPipelineLayoutCreateInfo pipeline_layout_info{};
     pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+    pipeline_layout_info.setLayoutCount = 1;
+    pipeline_layout_info.pSetLayouts = &ubo_layout_binding_;
 
     VK_CHECK(vkCreatePipelineLayout(device_, &pipeline_layout_info, nullptr, &pipeline_layout_));
 
@@ -703,18 +790,26 @@ uint32_t RenderEngine::find_memory_type(uint32_t typeFilter, VkMemoryPropertyFla
     throw std::runtime_error("failed to find suitable memory type!");
 }
 
-void RenderEngine::allocate_vertex_buffer()
+std::vector<uint32_t> RenderEngine::get_unique_family_indices(const QueueFamilyIndices& indices)
 {
-    QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
     std::set<uint32_t> set_indices = {indices.graphics_family.value(),
                                       indices.present_family.value(),
                                       indices.transfer_family.value()};
+    
     std::vector<uint32_t> arr_indices;
-    std::vector<uint32_t> transfer_index = {indices.transfer_family.value()};
     arr_indices.reserve(set_indices.size());
     for (auto& i : set_indices)
         arr_indices.push_back(i);
+    return arr_indices;
+}
 
+void RenderEngine::allocate_vertex_buffer()
+{
+    QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
+    
+    
+    std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
+    std::vector<uint32_t> transfer_index = {indices.transfer_family.value()};
     
     VkBuffer staging_buffer = VK_NULL_HANDLE;
     VkDeviceMemory staging_buffer_memory = VK_NULL_HANDLE;
@@ -746,11 +841,9 @@ void RenderEngine::allocate_index_buffer()
     std::set<uint32_t> set_indices = {indices.graphics_family.value(),
                                       indices.present_family.value(),
                                       indices.transfer_family.value()};
-    std::vector<uint32_t> arr_indices;
+                                      
+    std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
     std::vector<uint32_t> transfer_index = {indices.transfer_family.value()};
-    arr_indices.reserve(set_indices.size());
-    for (auto& i : set_indices)
-        arr_indices.push_back(i);
 
     VkBuffer staging_buffer = VK_NULL_HANDLE;
     VkDeviceMemory staging_buffer_memory = VK_NULL_HANDLE;
@@ -875,6 +968,9 @@ void RenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint32_
     VkBuffer vertex_buffers[] = {vertex_buffer_};
     VkDeviceSize offset[] = {0};
     vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, offset);
+
+    vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout_, 0, 1, &descriptor_sets_[current_frame_], 0, nullptr);
+    
     vkCmdBindIndexBuffer(command_buffer, index_buffer_, 0, VK_INDEX_TYPE_UINT16);
 
     VkViewport viewport;
@@ -891,13 +987,25 @@ void RenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint32_
     scissor.extent = swapchain_extent_;
     vkCmdSetScissor(command_buffer, 0, 1, &scissor);
 
-    //vkCmdDraw(command_buffer, static_cast<uint32_t>(vertices_.size()), 1, 0, 0);
     vkCmdDrawIndexed(command_buffer, static_cast<uint32_t>(indices_.size()), 1, 0, 0, 0);
     
     vkCmdEndRenderPass(command_buffer);
     VK_CHECK(vkEndCommandBuffer(command_buffer));
 }
 
+void RenderEngine::update_uniform_buffer(uint32_t current_frame)
+{
+    static auto start_time = std::chrono::high_resolution_clock::now();
+    auto current_time = std::chrono::high_resolution_clock::now();
+    float time = std::chrono::duration_cast<std::chrono::duration<float>>(current_time - start_time).count();
+    UniformBufferObject ubo{};
+    ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(45.0f), glm::vec3(0.0f, 0.0f, 1.0f));
+    ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
+    ubo.proj = glm::perspective(glm::radians(45.0f), static_cast<float>(swapchain_extent_.width) / static_cast<float>(swapchain_extent_.height), 0.1f, 256.0f);
+    ubo.proj[1][1] *= -1;
+    memcpy(uniform_buffers_mapped_[current_frame], &ubo, sizeof(ubo));
+}
+
 void RenderEngine::draw_frame()
 {
     vkWaitForFences(device_, 1, &in_flight_fences_[current_frame_], VK_TRUE, UINT64_MAX);
@@ -908,6 +1016,8 @@ void RenderEngine::draw_frame()
     
     vkResetCommandBuffer(command_buffers_[current_frame_], 0);
     record_command_buffer(command_buffers_[current_frame_], image_index);
+
+    update_uniform_buffer(current_frame_);
     
     VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
     VkSubmitInfo submit_info{};
@@ -955,6 +1065,10 @@ window_(window)
     create_swapchain(desired_present_mode);
     create_image_views();
     create_render_pass();
+    create_description_set_layout();
+    create_uniform_buffers();
+    create_descriptor_pool();
+    create_descriptor_sets();
     create_graphics_pipeline();
     create_framebuffers();
     create_command_pool();
@@ -1004,6 +1118,21 @@ RenderEngine::~RenderEngine()
     if (pipeline_layout_ != VK_NULL_HANDLE)
         vkDestroyPipelineLayout(device_, pipeline_layout_, nullptr);
 
+    for (size_t i = 0; i < uniform_buffers_.size(); ++i)
+    {
+        vkUnmapMemory(device_, uniform_buffers_memory_[i]);
+        vkFreeMemory(device_, uniform_buffers_memory_[i], nullptr);
+        vkDestroyBuffer(device_, uniform_buffers_[i], nullptr);
+    }
+    uniform_buffers_.clear();
+    uniform_buffers_memory_.clear();
+    uniform_buffers_mapped_.clear();
+    
+    vkDestroyDescriptorPool(device_, descriptor_pool_, nullptr);
+
+    if (ubo_layout_binding_ != VK_NULL_HANDLE)
+        vkDestroyDescriptorSetLayout(device_, ubo_layout_binding_, nullptr);
+    
     if (render_pass_ != VK_NULL_HANDLE)
         vkDestroyRenderPass(device_, render_pass_, nullptr);
     

Core/Core/RenderEngine/RenderEngine.hpp

@@ -8,7 +8,9 @@
 #define GLFW_INCLUDE_VULKAN
 #include <GLFW/glfw3.h>
 
+#define GLM_FORCE_RADIANS
 #include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
 
 #include "ModelManager.hpp"
 
@@ -42,6 +44,11 @@ class RenderEngine
         static VkVertexInputBindingDescription get_binding_description();
         static std::array<VkVertexInputAttributeDescription, 2> get_vertex_attribute_descriptions();
     };
+    struct UniformBufferObject {
+        glm::mat4 model;
+        glm::mat4 view;
+        glm::mat4 proj;
+    };
     
     const std::vector<Vertex> vertices_ = {
         {{-0.5f, -0.5f}, {1.0f, 0.0f, 0.0f}},
@@ -76,6 +83,9 @@ class RenderEngine
     VkExtent2D swapchain_extent_;
     std::vector<VkImageView> swapchain_image_views_;
     VkRenderPass render_pass_ = VK_NULL_HANDLE;
+    VkDescriptorSetLayout ubo_layout_binding_ = VK_NULL_HANDLE;
+    VkDescriptorPool descriptor_pool_ = VK_NULL_HANDLE;
+    std::vector<VkDescriptorSet> descriptor_sets_;
     VkPipelineLayout pipeline_layout_ = VK_NULL_HANDLE;
     VkPipeline graphics_pipeline_ = VK_NULL_HANDLE;
     std::vector<VkFramebuffer> framebuffers_;
@@ -85,6 +95,9 @@ class RenderEngine
     VkDeviceMemory vertex_buffer_memory_ = VK_NULL_HANDLE;
     VkBuffer index_buffer_ = VK_NULL_HANDLE;
     VkDeviceMemory index_buffer_memory_ = VK_NULL_HANDLE;
+    std::vector<VkBuffer> uniform_buffers_;
+    std::vector<VkDeviceMemory> uniform_buffers_memory_;
+    std::vector<void*> uniform_buffers_mapped_;
 
     // Sync objects
     std::vector<VkSemaphore> image_available_semaphores_, render_finished_semaphores_;
@@ -108,6 +121,7 @@ class RenderEngine
         VkBuffer* buffer, const std::vector<uint32_t>& queue_families);
     void allocate_memory(VkBuffer buffer, VkMemoryPropertyFlags property, VkDeviceMemory* device_memory);
     uint32_t find_memory_type(uint32_t typeFilter, VkMemoryPropertyFlags properties) const;
+    std::vector<uint32_t> get_unique_family_indices(const QueueFamilyIndices& indices);
     
     void create_instance();
     void create_surface();
@@ -116,6 +130,10 @@ class RenderEngine
     void create_swapchain(VkPresentModeKHR desired_present_mode);
     void create_image_views();
     void create_render_pass();
+    void create_description_set_layout();
+    void create_uniform_buffers();
+    void create_descriptor_pool();
+    void create_descriptor_sets();
     void create_graphics_pipeline();
     void create_framebuffers();
     void create_command_pool();
@@ -126,6 +144,7 @@ class RenderEngine
     
     void copy_memory(VkBuffer src, VkBuffer dst, VkDeviceSize size);
     void record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index) const;
+    void update_uniform_buffer(uint32_t current_frame);
     void draw_frame();
 public:
     // Can throw the exception

TestGame/Shaders/vertex.vert

@@ -1,5 +1,11 @@
 #version 450
 
+layout(binding = 0) uniform UniformBufferObject {
+	mat4 model;
+	mat4 view;
+	mat4 proj;
+} ubo;
+
 layout(location = 0) in vec2 inPosition;
 layout(location = 1) in vec3 inColor;
 
@@ -7,6 +13,6 @@ layout(location = 0) out vec3 fragColor;
 
 void main()
 {
-	gl_Position = vec4(inPosition, 0.0, 1.0);
+	gl_Position = ubo.proj * ubo.view * ubo.model * vec4(inPosition, 0.0, 1.0);
 	fragColor = inColor;
 }