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Added vertex buffer and staging buffers

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This commit is contained in:
Ano-sys
2025-04-04 00:45:58 +02:00
parent 5944a08abc
commit 5a241c546e
2 changed files with 235 additions and 91 deletions
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vulkan/vulkan_app.cpp
+110 -12
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@@ -13,17 +13,12 @@ namespace vapp{
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
};
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData,
void *pUserData){
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData, void *pUserData){
std::cerr << "Validation Layer: " << pCallbackData->pMessage << std::endl;
return VK_FALSE;
}
VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT *pCreateInfo,
const VkAllocationCallbacks *pAllocator,
VkDebugUtilsMessengerEXT *pDebugMessenger){
VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkDebugUtilsMessengerEXT *pDebugMessenger){
auto func = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(
instance, "vkCreateDebugUtilsMessengerEXT");
if(func == nullptr) return VK_ERROR_EXTENSION_NOT_PRESENT;
@@ -31,8 +26,7 @@ namespace vapp{
return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
}
void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger,
const VkAllocationCallbacks *pAllocator){
void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks *pAllocator){
if(auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(
instance, "vkDestroyDebugUtilsMessengerEXT"); func != nullptr){
func(instance, debugMessenger, pAllocator);
@@ -481,10 +475,15 @@ namespace vapp{
dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
dynamicState.pDynamicStates = dynamicStates.data();
auto bindingDescription = Vertex::getBindingDescription();
auto attributeDescription = Vertex::getAttributeDescriptions();
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo.vertexBindingDescriptionCount = 0;
vertexInputInfo.vertexAttributeDescriptionCount = 0;
vertexInputInfo.vertexBindingDescriptionCount = 1;
vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(attributeDescription.size());
vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
vertexInputInfo.pVertexAttributeDescriptions = attributeDescription.data();
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
@@ -675,6 +674,97 @@ namespace vapp{
}
}
uint32_t Vulkan::findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties){
VkPhysicalDeviceMemoryProperties memProperties;
vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
for(uint32_t i = 0; i < memProperties.memoryTypeCount; i++){
if(typeFilter & (1 << i) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) return i;
}
throw std::runtime_error("Func: findMemoryType\nError: Failed to find suitable memory type!\n");
}
void Vulkan::createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer &buffer, VkDeviceMemory &bufferMemory){
VkBufferCreateInfo bufferInfo{};
bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
bufferInfo.size = size;
bufferInfo.usage = usage;
bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
if(vkCreateBuffer(device, &bufferInfo, nullptr, &buffer) != VK_SUCCESS){
throw std::runtime_error("Func: createBuffer\nError: Failed to create buffer!\n");
}
VkMemoryRequirements memRequirements;
vkGetBufferMemoryRequirements(device, buffer, &memRequirements);
VkMemoryAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.allocationSize = memRequirements.size;
allocInfo.memoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, properties);
if(vkAllocateMemory(device, &allocInfo, nullptr, &bufferMemory) != VK_SUCCESS){
throw std::runtime_error("Func: createBuffer\nError: Failed to allocate memory for buffer!\n");
}
vkBindBufferMemory(device, buffer, bufferMemory, 0);
}
void Vulkan::copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size){
VkCommandBufferAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandPool = commandPool;
allocInfo.commandBufferCount = 1;
VkCommandBuffer commandBuffer;
vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer);
VkCommandBufferBeginInfo beginInfo{};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkBeginCommandBuffer(commandBuffer, &beginInfo);
VkBufferCopy copyRegion{};
copyRegion.size = size;
vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, &copyRegion);
vkEndCommandBuffer(commandBuffer);
VkSubmitInfo submitInfo{};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &commandBuffer;
vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE);
vkQueueWaitIdle(graphicsQueue);
vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
}
void Vulkan::createVertexBuffer(){
VkDeviceSize bufferSize = sizeof(vertices[0]) * vertices.size();
VkBuffer stagingBuffer;
VkDeviceMemory stagingBufferMemory;
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
void *data;
vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
memcpy(data, vertices.data(), (size_t)bufferSize);
vkUnmapMemory(device, stagingBufferMemory);
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
copyBuffer(stagingBuffer, vertexBuffer, bufferSize);
vkDestroyBuffer(device, stagingBuffer, nullptr);
vkFreeMemory(device, stagingBufferMemory, nullptr);
}
void Vulkan::createCommandBuffers(){
commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
@@ -711,6 +801,10 @@ namespace vapp{
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
VkBuffer vertexBuffers[] = { vertexBuffer };
VkDeviceSize offsets[] = { 0 };
vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
@@ -725,7 +819,7 @@ namespace vapp{
scissor.extent = swapChainExtent;
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
vkCmdDraw(commandBuffer, 3, 1, 0, 0);
vkCmdDraw(commandBuffer, static_cast<uint32_t>(vertices.size()), 1, 0, 0);
vkCmdEndRenderPass(commandBuffer);
if(vkEndCommandBuffer(commandBuffer) != VK_SUCCESS){
@@ -862,6 +956,7 @@ namespace vapp{
createGraphicsPipeline();
createFrameBuffers();
createCommandPool();
createVertexBuffer();
createCommandBuffers();
createSyncObjects();
}
@@ -879,6 +974,9 @@ namespace vapp{
// Vulkan
cleanupSwapChain();
vkDestroyBuffer(device, vertexBuffer, nullptr);
vkFreeMemory(device, vertexBufferMemory, nullptr);
vkDestroyPipeline(device, graphicsPipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);