Add base shaders and create pipeline_layout
This commit is contained in:
Jiga228
+128
-1
@@ -4,7 +4,7 @@
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#include <queue>
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#include <set>
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#include <stdexcept>
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#include <string>
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#include <fstream>
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#include "CoreInstance.h"
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#include "Log/Log.h"
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@@ -171,6 +171,18 @@ VkExtent2D RenderEngine::choose_extent(const VkSurfaceCapabilitiesKHR& capabilit
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}
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}
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VkShaderModule RenderEngine::create_shader_module(const std::string code)
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{
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VkShaderModuleCreateInfo shader_module_info{};
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shader_module_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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shader_module_info.codeSize = code.size();
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shader_module_info.pCode = reinterpret_cast<const uint32_t*>(code.c_str());
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VkShaderModule shader_module;
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VK_CHECK(vkCreateShaderModule(device_, &shader_module_info, nullptr, &shader_module));
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return shader_module;
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}
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void RenderEngine::create_instance()
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{
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std::vector<const char*> extensions = get_required_extensions();
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@@ -351,6 +363,117 @@ void RenderEngine::create_image_views()
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}
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}
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void RenderEngine::create_graphycs_pipleline()
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{
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std::ifstream vertex_shader_file("Shaders/vertex.spv", std::ios::binary);
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if (!vertex_shader_file.is_open())
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throw std::runtime_error("Vertex shader not found");
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std::ifstream fragment_shader_file("Shaders/fragment.spv", std::ios::binary);
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if (!fragment_shader_file.is_open()) {
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vertex_shader_file.close();
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throw std::runtime_error("Fragment shader not found");
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}
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std::string vertex_shader_code((std::istreambuf_iterator<char>(vertex_shader_file)), std::istreambuf_iterator<char>());
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std::string fragment_shader_code((std::istreambuf_iterator<char>(fragment_shader_file)), std::istreambuf_iterator<char>());
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vertex_shader_file.close();
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fragment_shader_file.close();
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VkShaderModule vertex_shader = create_shader_module(vertex_shader_code);
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VkShaderModule fragment_shader = create_shader_module(fragment_shader_code);
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VkPipelineShaderStageCreateInfo vertex_shader_stage_info{};
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vertex_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertex_shader_stage_info.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertex_shader_stage_info.module = vertex_shader;
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vertex_shader_stage_info.pName = "main";
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VkPipelineShaderStageCreateInfo fragment_shader_stage_info{};
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vertex_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertex_shader_stage_info.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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vertex_shader_stage_info.module = fragment_shader;
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vertex_shader_stage_info.pName = "main";
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VkPipelineShaderStageCreateInfo shader_stages[] = {vertex_shader_stage_info, fragment_shader_stage_info};
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const std::vector<VkDynamicState> dynamic_states = {
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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};
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VkPipelineDynamicStateCreateInfo dynamic_state_info{};
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dynamic_state_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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dynamic_state_info.dynamicStateCount = static_cast<uint32_t>(dynamic_states.size());
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dynamic_state_info.pDynamicStates = dynamic_states.data();
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VkPipelineVertexInputStateCreateInfo vertex_input_info{};
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vertex_input_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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vertex_input_info.vertexAttributeDescriptionCount = 0;
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vertex_input_info.pVertexAttributeDescriptions = nullptr;
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vertex_input_info.vertexBindingDescriptionCount = 0;
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vertex_input_info.pVertexBindingDescriptions = nullptr;
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VkPipelineInputAssemblyStateCreateInfo input_assembly_info{};
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input_assembly_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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input_assembly_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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input_assembly_info.primitiveRestartEnable = VK_FALSE;
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VkViewport viewport{};
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viewport.x = 0.0f;
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viewport.y = 0.0f;
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viewport.width = static_cast<float>(swapchain_extent_.width);
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viewport.height = static_cast<float>(swapchain_extent_.height);
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viewport.minDepth = 0.0f;
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viewport.maxDepth = 1.0f;
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VkRect2D scissor{};
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scissor.offset = {0, 0};
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scissor.extent = swapchain_extent_;
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VkPipelineViewportStateCreateInfo viewport_info{};
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viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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viewport_info.viewportCount = 1;
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viewport_info.pViewports = &viewport;
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viewport_info.scissorCount = 1;
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viewport_info.pScissors = &scissor;
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VkPipelineRasterizationStateCreateInfo rasterization_info{};
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rasterization_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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rasterization_info.depthClampEnable = VK_FALSE;
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rasterization_info.rasterizerDiscardEnable = VK_FALSE;
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rasterization_info.polygonMode = VK_POLYGON_MODE_FILL;
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rasterization_info.lineWidth = 1.0f;
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rasterization_info.cullMode = VK_CULL_MODE_BACK_BIT;
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rasterization_info.frontFace = VK_FRONT_FACE_CLOCKWISE;
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rasterization_info.depthBiasEnable = VK_FALSE;
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VkPipelineColorBlendAttachmentState color_blend_attachment_state{};
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color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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color_blend_attachment_state.blendEnable = VK_TRUE;
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color_blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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color_blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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color_blend_attachment_state.colorBlendOp = VK_BLEND_OP_ADD;
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color_blend_attachment_state.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
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color_blend_attachment_state.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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color_blend_attachment_state.alphaBlendOp = VK_BLEND_OP_ADD;
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VkPipelineColorBlendStateCreateInfo color_blend_info{};
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color_blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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color_blend_info.logicOpEnable = VK_FALSE;
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color_blend_info.attachmentCount = 1;
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color_blend_info.blendConstants[0] = 0.0f;
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color_blend_info.blendConstants[1] = 0.0f;
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color_blend_info.blendConstants[2] = 0.0f;
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color_blend_info.blendConstants[3] = 0.0f;
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VkPipelineLayoutCreateInfo pipeline_layout_info{};
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pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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VK_CHECK(vkCreatePipelineLayout(device_, &pipeline_layout_info, nullptr, &pipeline_layout_));
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vkDestroyShaderModule(device_, vertex_shader, nullptr);
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vkDestroyShaderModule(device_, fragment_shader, nullptr);
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}
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void RenderEngine::create_surface()
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{
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VK_CHECK(glfwCreateWindowSurface(instance_, window_, nullptr, &surface_));
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@@ -369,10 +492,14 @@ window_(window)
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create_logical_device();
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create_swapchain(desired_present_mode);
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create_image_views();
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create_graphycs_pipleline();
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}
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RenderEngine::~RenderEngine()
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{
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if (pipeline_layout_ != VK_NULL_HANDLE)
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vkDestroyPipelineLayout(device_, pipeline_layout_, nullptr);
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for (auto image_view : swapchain_image_views_)
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vkDestroyImageView(device_, image_view, nullptr);
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swapchain_image_views_.clear();
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@@ -4,6 +4,7 @@
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#include <optional>
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#define GLFW_INCLUDE_VULKAN
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#include <string>
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#include <GLFW/glfw3.h>
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#include <vulkan/vulkan.h>
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@@ -47,6 +48,7 @@ class RenderEngine
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VkFormat swapchain_image_format_;
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VkExtent2D swapchain_extent_;
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std::vector<VkImageView> swapchain_image_views_;
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VkPipelineLayout pipeline_layout_ = VK_NULL_HANDLE;
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#ifdef _DEBUG
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VkResult enable_layer_validation(VkDebugUtilsMessengerCreateInfoEXT* create_info);
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@@ -61,6 +63,7 @@ class RenderEngine
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static VkSurfaceFormatKHR choose_surface_format(const std::vector<VkSurfaceFormatKHR>& surface_formats);
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static VkPresentModeKHR choose_present_mode(const std::vector<VkPresentModeKHR>& present_modes, VkPresentModeKHR desired_present_mode);
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static VkExtent2D choose_extent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window);
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VkShaderModule create_shader_module(const std::string code);
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void create_instance();
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void create_surface();
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@@ -68,6 +71,7 @@ class RenderEngine
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void create_logical_device();
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void create_swapchain(VkPresentModeKHR desired_present_mode);
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void create_image_views();
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void create_graphycs_pipleline();
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public:
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// Can throw the exception
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RenderEngine(CoreInstance& core, GLFWwindow* window, VkPresentModeKHR desired_present_mode = VK_PRESENT_MODE_MAILBOX_KHR);
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