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Final Vulkan Init

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This commit is contained in:
Pasha Bibko
2025-11-15 23:48:57 +00:00
parent c3aad0ebd1
commit 8ca07fc723
3 changed files with 236 additions and 6 deletions
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1
src/VulkanRenderer.h
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@@ -11,5 +11,6 @@
#include <iostream> #include <iostream>
#include <optional> #include <optional>
#include <fstream>
#include <vector> #include <vector>
#include <set> #include <set>

229
src/managers/VulkanManager.cpp
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@@ -20,6 +20,13 @@ namespace PB::Renderer
VkExtent2D VulkanManager::s_SwapChainExtent = {}; VkExtent2D VulkanManager::s_SwapChainExtent = {};
VkRenderPass VulkanManager::s_RenderPass = VK_NULL_HANDLE; VkRenderPass VulkanManager::s_RenderPass = VK_NULL_HANDLE;
std::vector<VkFramebuffer> VulkanManager::s_Framebuffers = {};
VkPipelineLayout VulkanManager::s_PipelineLayout = {};
VkPipeline VulkanManager::s_RenderPipeline = {};
VkCommandPool VulkanManager::s_CommandPool = VK_NULL_HANDLE;
std::vector<VkCommandBuffer> VulkanManager::s_CommandBuffers = {};
bool VulkanManager::InitAll(GLFWwindow* window) bool VulkanManager::InitAll(GLFWwindow* window)
{ {
@@ -30,12 +37,15 @@ namespace PB::Renderer
return false; return false;
if (!( if (!(
VulkanManager::PickPhysicalDevice() || VulkanManager::PickPhysicalDevice() ||
VulkanManager::PickPhysicalDevice() || VulkanManager::PickPhysicalDevice() ||
VulkanManager::CreateLogicalDevice() || VulkanManager::CreateLogicalDevice() ||
VulkanManager::CreateSwapChain(window) || VulkanManager::CreateSwapChain(window) ||
VulkanManager::CreateImageViews() || VulkanManager::CreateImageViews() ||
VulkanManager::CreateRenderPass() VulkanManager::CreateRenderPass() ||
VulkanManager::CreateFramebuffer() ||
VulkanManager::CreateGraphicsPipeline() ||
VulkanManager::CreateCommandBuffers()
)) { )) {
return false; return false;
} }
@@ -492,4 +502,211 @@ namespace PB::Renderer
return true; return true;
} }
bool VulkanManager::CreateFramebuffer()
{
s_Framebuffers.resize(s_SwapChainImageViews.size());
for (size_t index = 0; index < s_SwapChainImageViews.size(); index++)
{
const VkImageView attachments[] = {
s_SwapChainImageViews[index]
};
VkFramebufferCreateInfo framebufferInfo{};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = s_RenderPass;
framebufferInfo.attachmentCount = 1;
framebufferInfo.pAttachments = attachments;
framebufferInfo.width = s_SwapChainExtent.width;
framebufferInfo.height = s_SwapChainExtent.height;
framebufferInfo.layers = 1;
if (VkResult result = vkCreateFramebuffer(s_Device, &framebufferInfo, nullptr, &s_Framebuffers[index]); result != VK_SUCCESS)
{
std::cout << "PB::Renderer::VulkanManager::CreateFramebuffers(): Failed to create framebuffers" << std::endl;
return false;
}
}
return true;
}
bool VulkanManager::CreateGraphicsPipeline()
{
VkShaderModule vertShaderModule = CreateShaderModule("shaders/vert.spv");
VkShaderModule fragShaderModule = CreateShaderModule("shaders/frag.spv");
VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
vertShaderStageInfo.module = vertShaderModule;
vertShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
fragShaderStageInfo.module = fragShaderModule;
fragShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo.vertexBindingDescriptionCount = 0;
vertexInputInfo.vertexAttributeDescriptionCount = 0;
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
inputAssembly.primitiveRestartEnable = VK_FALSE;
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(s_SwapChainExtent.width);
viewport.height = static_cast<float>(s_SwapChainExtent.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
VkRect2D scissor{};
scissor.offset = {0,0};
scissor.extent = s_SwapChainExtent;
VkPipelineViewportStateCreateInfo viewportState{};
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewportState.viewportCount = 1;
viewportState.pViewports = &viewport;
viewportState.scissorCount = 1;
viewportState.pScissors = &scissor;
VkPipelineRasterizationStateCreateInfo rasterizer{};
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterizer.depthClampEnable = VK_FALSE;
rasterizer.rasterizerDiscardEnable = VK_FALSE;
rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
rasterizer.lineWidth = 1.0f;
rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
rasterizer.depthBiasEnable = VK_FALSE;
VkPipelineMultisampleStateCreateInfo multisampling{};
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampling.sampleShadingEnable = VK_FALSE;
multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
VkPipelineColorBlendAttachmentState colorBlendAttachment{};
colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT
| VK_COLOR_COMPONENT_G_BIT
| VK_COLOR_COMPONENT_B_BIT
| VK_COLOR_COMPONENT_A_BIT;
colorBlendAttachment.blendEnable = VK_FALSE;
VkPipelineColorBlendStateCreateInfo colorBlending{};
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
colorBlending.logicOpEnable = VK_FALSE;
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = &colorBlendAttachment;
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
if (vkCreatePipelineLayout(s_Device, &pipelineLayoutInfo, nullptr, &s_PipelineLayout) != VK_SUCCESS)
return false;
VkGraphicsPipelineCreateInfo pipelineInfo{};
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineInfo.stageCount = 2;
pipelineInfo.pStages = shaderStages;
pipelineInfo.pVertexInputState = &vertexInputInfo;
pipelineInfo.pInputAssemblyState = &inputAssembly;
pipelineInfo.pViewportState = &viewportState;
pipelineInfo.pRasterizationState = &rasterizer;
pipelineInfo.pMultisampleState = &multisampling;
pipelineInfo.pColorBlendState = &colorBlending;
pipelineInfo.layout = s_PipelineLayout;
pipelineInfo.renderPass = s_RenderPass;
pipelineInfo.subpass = 0;
if (vkCreateGraphicsPipelines(s_Device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &s_RenderPipeline) != VK_SUCCESS)
return false;
vkDestroyShaderModule(s_Device, vertShaderModule, nullptr);
vkDestroyShaderModule(s_Device, fragShaderModule, nullptr);
return true;
}
VkShaderModule VulkanManager::CreateShaderModule(const std::string& filename)
{
std::ifstream file(filename, std::ios::ate | std::ios::binary);
if (!file.is_open())
{
throw std::runtime_error("Failed to open shader file: " + filename);
}
const size_t fileSize = file.tellg();
std::vector<char> buffer(fileSize);
file.seekg(0);
file.read(buffer.data(), fileSize);
file.close();
VkShaderModuleCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
createInfo.codeSize = buffer.size();
createInfo.pCode = reinterpret_cast<const uint32_t*>(buffer.data());
VkShaderModule shaderModule;
if (vkCreateShaderModule(s_Device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS)
{
return VK_NULL_HANDLE;
}
return shaderModule;
}
bool VulkanManager::CreateCommandBuffers()
{
s_CommandBuffers.resize(s_Framebuffers.size());
VkCommandBufferAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.commandPool = s_CommandPool;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandBufferCount = static_cast<uint32_t>(s_CommandBuffers.size());
if (vkAllocateCommandBuffers(s_Device, &allocInfo, s_CommandBuffers.data()) != VK_SUCCESS)
return false;
for (size_t i = 0; i < s_CommandBuffers.size(); i++)
{
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
vkBeginCommandBuffer(s_CommandBuffers[i], &beginInfo);
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = s_RenderPass;
renderPassInfo.framebuffer = s_Framebuffers[i];
renderPassInfo.renderArea.offset = {0, 0};
renderPassInfo.renderArea.extent = s_SwapChainExtent;
VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
renderPassInfo.clearValueCount = 1;
renderPassInfo.pClearValues = &clearColor;
vkCmdBeginRenderPass(s_CommandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(s_CommandBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, s_RenderPipeline);
vkCmdDraw(s_CommandBuffers[i], 3, 1, 0, 0);
vkCmdEndRenderPass(s_CommandBuffers[i]);
if (vkEndCommandBuffer(s_CommandBuffers[i]) != VK_SUCCESS)
return false;
}
return true;
}
} }

12
src/managers/VulkanManager.h
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@@ -35,6 +35,9 @@ namespace PB::Renderer
static bool CreateSwapChain(GLFWwindow* window); static bool CreateSwapChain(GLFWwindow* window);
static bool CreateImageViews(); static bool CreateImageViews();
static bool CreateRenderPass(); static bool CreateRenderPass();
static bool CreateFramebuffer();
static bool CreateGraphicsPipeline();
static bool CreateCommandBuffers();
private: private:
static bool IsDeviceSuitable(VkPhysicalDevice device, VkSurfaceKHR surface); static bool IsDeviceSuitable(VkPhysicalDevice device, VkSurfaceKHR surface);
@@ -46,6 +49,8 @@ namespace PB::Renderer
static VkPresentModeKHR ChoosePresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes); static VkPresentModeKHR ChoosePresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes);
static VkExtent2D ChooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window); static VkExtent2D ChooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window);
static VkShaderModule CreateShaderModule(const std::string& filename);
static std::optional<VkInstance> s_Instance; static std::optional<VkInstance> s_Instance;
static std::optional<VkSurfaceKHR> s_Surface; static std::optional<VkSurfaceKHR> s_Surface;
@@ -64,5 +69,12 @@ namespace PB::Renderer
static VkExtent2D s_SwapChainExtent; static VkExtent2D s_SwapChainExtent;
static VkRenderPass s_RenderPass; static VkRenderPass s_RenderPass;
static std::vector<VkFramebuffer> s_Framebuffers;
static VkPipelineLayout s_PipelineLayout;
static VkPipeline s_RenderPipeline;
static VkCommandPool s_CommandPool;
static std::vector<VkCommandBuffer> s_CommandBuffers;
}; };
} }