initial commit
This commit is contained in:
Johanness
@@ -0,0 +1,424 @@
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#include "RenderPipeline.hpp"
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#include "TileLayout.hpp"
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#include <array>
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#include <cstring>
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#include <fstream>
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#include <iostream>
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#include <stdexcept>
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std::vector<char> RenderPipeline::readFile(
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const std::string& filename)
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{
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std::ifstream file(
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filename,
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std::ios::ate | std::ios::binary
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);
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if (!file.is_open())
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{
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throw std::runtime_error(
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"Failed to open file: " + filename
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);
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}
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size_t fileSize =
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static_cast<size_t>(file.tellg());
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std::vector<char> buffer(fileSize);
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file.seekg(0);
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file.read(buffer.data(), fileSize);
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file.close();
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return buffer;
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}
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VkShaderModule RenderPipeline::createShaderModule(
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const std::vector<char>& code)
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{
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VkShaderModuleCreateInfo createInfo{};
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createInfo.sType =
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VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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createInfo.codeSize = code.size();
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createInfo.pCode =
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reinterpret_cast<const uint32_t*>(
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code.data()
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);
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VkShaderModule shaderModule;
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if (vkCreateShaderModule(
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m_device,
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&createInfo,
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nullptr,
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&shaderModule) != VK_SUCCESS)
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{
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throw std::runtime_error(
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"Failed to create shader module"
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);
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}
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return shaderModule;
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}
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RenderPipeline::RenderPipeline(
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VkDevice device,
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VkFormat swapchainImageFormat)
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: m_device(device)
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{
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// Render pass
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VkAttachmentDescription colorAttachment{};
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colorAttachment.format = swapchainImageFormat;
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colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
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colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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colorAttachment.stencilLoadOp =
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VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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colorAttachment.stencilStoreOp =
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VK_ATTACHMENT_STORE_OP_DONT_CARE;
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colorAttachment.initialLayout =
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VK_IMAGE_LAYOUT_UNDEFINED;
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colorAttachment.finalLayout =
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VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
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VkAttachmentReference colorAttachmentRef{};
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colorAttachmentRef.attachment = 0;
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colorAttachmentRef.layout =
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VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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VkSubpassDescription subpass{};
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subpass.pipelineBindPoint =
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VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpass.colorAttachmentCount = 1;
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subpass.pColorAttachments = &colorAttachmentRef;
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VkRenderPassCreateInfo renderPassInfo{};
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renderPassInfo.sType =
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VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
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renderPassInfo.attachmentCount = 1;
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renderPassInfo.pAttachments = &colorAttachment;
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renderPassInfo.subpassCount = 1;
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renderPassInfo.pSubpasses = &subpass;
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if (vkCreateRenderPass(
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m_device,
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&renderPassInfo,
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nullptr,
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&m_renderPass) != VK_SUCCESS)
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{
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throw std::runtime_error(
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"Failed to create render pass"
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);
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}
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std::cout << "Render pass created" << std::endl;
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// Shaders
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auto vertShaderCode =
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readFile(
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"../shaders/bin/textured.vert.spv"
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);
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auto fragShaderCode =
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readFile(
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"../shaders/bin/textured.frag.spv"
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);
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m_vertShaderModule =
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createShaderModule(vertShaderCode);
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m_fragShaderModule =
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createShaderModule(fragShaderCode);
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std::cout << "Shaders loaded" << std::endl;
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VkPipelineShaderStageCreateInfo vertStageInfo{};
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vertStageInfo.sType =
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VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertStageInfo.module = m_vertShaderModule;
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vertStageInfo.pName = "main";
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VkPipelineShaderStageCreateInfo fragStageInfo{};
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fragStageInfo.sType =
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VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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fragStageInfo.stage =
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VK_SHADER_STAGE_FRAGMENT_BIT;
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fragStageInfo.module = m_fragShaderModule;
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fragStageInfo.pName = "main";
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VkPipelineShaderStageCreateInfo shaderStages[] =
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{
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vertStageInfo,
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fragStageInfo
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};
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// Vertex input
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VkVertexInputBindingDescription
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bindingDescription{};
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bindingDescription.binding = 0;
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bindingDescription.stride = sizeof(Vertex);
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bindingDescription.inputRate =
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VK_VERTEX_INPUT_RATE_VERTEX;
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std::array<
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VkVertexInputAttributeDescription,
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2
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> attributeDescriptions{};
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attributeDescriptions[0].binding = 0;
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attributeDescriptions[0].location = 0;
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attributeDescriptions[0].format =
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VK_FORMAT_R32G32_SFLOAT;
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attributeDescriptions[0].offset =
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offsetof(Vertex, pos);
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attributeDescriptions[1].binding = 0;
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attributeDescriptions[1].location = 1;
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attributeDescriptions[1].format =
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VK_FORMAT_R32G32_SFLOAT;
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attributeDescriptions[1].offset =
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offsetof(Vertex, uv);
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VkPipelineVertexInputStateCreateInfo
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vertexInputInfo{};
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vertexInputInfo.sType =
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VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
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vertexInputInfo
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.vertexBindingDescriptionCount = 1;
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vertexInputInfo
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.pVertexBindingDescriptions =
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&bindingDescription;
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vertexInputInfo
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.vertexAttributeDescriptionCount =
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static_cast<uint32_t>(
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attributeDescriptions.size()
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);
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vertexInputInfo
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.pVertexAttributeDescriptions =
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attributeDescriptions.data();
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// Input assembly
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VkPipelineInputAssemblyStateCreateInfo
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inputAssembly{};
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inputAssembly.sType =
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VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
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inputAssembly.topology =
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VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
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// Viewport state (dynamic, values don't matter)
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VkViewport dummyViewport{};
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dummyViewport.x = 0.0f;
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dummyViewport.y = 0.0f;
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dummyViewport.width = 1.0f;
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dummyViewport.height = 1.0f;
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dummyViewport.minDepth = 0.0f;
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dummyViewport.maxDepth = 1.0f;
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VkRect2D dummyScissor{};
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dummyScissor.offset = {0, 0};
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dummyScissor.extent = {1, 1};
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VkPipelineViewportStateCreateInfo
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viewportState{};
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viewportState.sType =
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VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
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viewportState.viewportCount = 1;
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viewportState.pViewports = &dummyViewport;
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viewportState.scissorCount = 1;
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viewportState.pScissors = &dummyScissor;
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// Rasterizer
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VkPipelineRasterizationStateCreateInfo
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rasterizer{};
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rasterizer.sType =
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VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
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rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
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rasterizer.lineWidth = 1.0f;
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rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
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rasterizer.frontFace =
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VK_FRONT_FACE_CLOCKWISE;
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// Multisampling
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VkPipelineMultisampleStateCreateInfo
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multisampling{};
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multisampling.sType =
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VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
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multisampling.rasterizationSamples =
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VK_SAMPLE_COUNT_1_BIT;
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// Dynamic state
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VkDynamicState dynamicStates[] =
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{
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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
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dynamicState{};
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dynamicState.sType =
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VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
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dynamicState.dynamicStateCount = 2;
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dynamicState.pDynamicStates = dynamicStates;
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// Color blend
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VkPipelineColorBlendAttachmentState
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colorBlendAttachment{};
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colorBlendAttachment.colorWriteMask =
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VK_COLOR_COMPONENT_R_BIT |
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VK_COLOR_COMPONENT_G_BIT |
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VK_COLOR_COMPONENT_B_BIT |
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VK_COLOR_COMPONENT_A_BIT;
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VkPipelineColorBlendStateCreateInfo
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colorBlending{};
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colorBlending.sType =
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VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
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colorBlending.attachmentCount = 1;
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colorBlending.pAttachments =
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&colorBlendAttachment;
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// Descriptor set layout
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VkDescriptorSetLayoutBinding
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samplerLayoutBinding{};
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samplerLayoutBinding.binding = 0;
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samplerLayoutBinding.descriptorCount = 1;
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samplerLayoutBinding.descriptorType =
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VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
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samplerLayoutBinding.pImmutableSamplers =
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nullptr;
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samplerLayoutBinding.stageFlags =
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VK_SHADER_STAGE_FRAGMENT_BIT;
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VkDescriptorSetLayoutCreateInfo
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layoutInfo{};
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layoutInfo.sType =
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VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
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layoutInfo.bindingCount = 1;
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layoutInfo.pBindings = &samplerLayoutBinding;
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if (vkCreateDescriptorSetLayout(
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m_device,
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&layoutInfo,
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nullptr,
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&m_descriptorSetLayout) != VK_SUCCESS)
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{
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throw std::runtime_error(
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"Failed to create descriptor set layout"
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);
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}
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VkPipelineLayoutCreateInfo
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pipelineLayoutInfo{};
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pipelineLayoutInfo.sType =
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VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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pipelineLayoutInfo.setLayoutCount = 1;
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pipelineLayoutInfo.pSetLayouts =
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&m_descriptorSetLayout;
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if (vkCreatePipelineLayout(
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m_device,
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&pipelineLayoutInfo,
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nullptr,
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&m_pipelineLayout) != VK_SUCCESS)
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{
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throw std::runtime_error(
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"Failed to create pipeline layout"
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);
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}
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// Graphics pipeline
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VkGraphicsPipelineCreateInfo
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pipelineInfo{};
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pipelineInfo.sType =
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VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
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pipelineInfo.stageCount = 2;
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pipelineInfo.pStages = shaderStages;
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pipelineInfo.pVertexInputState =
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&vertexInputInfo;
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pipelineInfo.pInputAssemblyState =
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&inputAssembly;
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pipelineInfo.pViewportState =
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&viewportState;
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pipelineInfo.pRasterizationState =
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&rasterizer;
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pipelineInfo.pMultisampleState =
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&multisampling;
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pipelineInfo.pDynamicState = &dynamicState;
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pipelineInfo.pColorBlendState =
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&colorBlending;
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pipelineInfo.layout = m_pipelineLayout;
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pipelineInfo.renderPass = m_renderPass;
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pipelineInfo.subpass = 0;
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if (vkCreateGraphicsPipelines(
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m_device,
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VK_NULL_HANDLE,
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1,
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&pipelineInfo,
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nullptr,
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&m_graphicsPipeline) != VK_SUCCESS)
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{
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throw std::runtime_error(
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"Failed to create graphics pipeline"
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);
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}
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std::cout << "Graphics pipeline created"
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<< std::endl;
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}
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RenderPipeline::~RenderPipeline()
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{
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release();
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}
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void RenderPipeline::release()
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{
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if (m_device == VK_NULL_HANDLE)
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{
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return;
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}
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vkDestroyPipeline(
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m_device,
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m_graphicsPipeline,
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nullptr
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);
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m_graphicsPipeline = VK_NULL_HANDLE;
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vkDestroyPipelineLayout(
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m_device,
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m_pipelineLayout,
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nullptr
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);
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m_pipelineLayout = VK_NULL_HANDLE;
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vkDestroyDescriptorSetLayout(
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m_device,
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m_descriptorSetLayout,
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nullptr
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);
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m_descriptorSetLayout = VK_NULL_HANDLE;
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vkDestroyShaderModule(
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m_device,
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m_vertShaderModule,
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nullptr
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);
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m_vertShaderModule = VK_NULL_HANDLE;
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vkDestroyShaderModule(
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m_device,
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m_fragShaderModule,
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nullptr
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);
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m_fragShaderModule = VK_NULL_HANDLE;
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vkDestroyRenderPass(
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m_device,
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m_renderPass,
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nullptr
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);
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m_renderPass = VK_NULL_HANDLE;
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m_device = VK_NULL_HANDLE;
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}
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