improved vulkanbuffer

This commit is contained in:
Jorijn van der Graaf 2026-01-28 18:51:11 +01:00
commit 2e11ac6484
11 changed files with 396 additions and 762 deletions

View file

@ -33,85 +33,14 @@ constexpr std::size_t alignUp(std::size_t value, std::size_t alignment) {
}
void Mesh::Build(std::span<Vertex> verticies, std::span<std::uint32_t> indicies, VkCommandBuffer cmd) {
new (&vertexStaging) VulkanBuffer<Vertex>(VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, verticies.size());
new (&indexStaging) VulkanBuffer<std::uint32_t>(VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, indicies.size());
vertexBuffer.Resize(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, verticies.size());
indexBuffer.Resize(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, indicies.size());
std::memcpy(vertexStaging.value, verticies.data(), verticies.size() * sizeof(Vertex));
std::memcpy(indexStaging.value, indicies.data(), indicies.size() * sizeof(std::uint32_t));
new (&vertexBuffer) VulkanBuffer<Vertex>(VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, verticies.size());
new (&indexBuffer) VulkanBuffer<std::uint32_t>(VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indicies.size());
VkBufferCopy copyRegion = {
.srcOffset = 0,
.dstOffset = 0,
.size = verticies.size() * sizeof(Vertex)
};
vkCmdCopyBuffer(
cmd,
vertexStaging.buffer,
vertexBuffer.buffer,
1,
&copyRegion
);
VkBufferCopy copyRegion2 = {
.srcOffset = 0,
.dstOffset = 0,
.size = indicies.size() * sizeof(std::uint32_t)
};
vkCmdCopyBuffer(
cmd,
indexStaging.buffer,
indexBuffer.buffer,
1,
&copyRegion2
);
VkBufferMemoryBarrier barrier = {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = vertexBuffer.buffer,
.offset = 0,
.size = VK_WHOLE_SIZE
};
vkCmdPipelineBarrier(
cmd,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR,
0,
0, NULL,
1, &barrier,
0, NULL
);
VkBufferMemoryBarrier barrier2 = {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = indexStaging.buffer,
.offset = 0,
.size = VK_WHOLE_SIZE
};
vkCmdPipelineBarrier(
cmd,
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR,
0,
0, NULL,
1, &barrier2,
0, NULL
);
std::memcpy(vertexBuffer.value, verticies.data(), verticies.size() * sizeof(Vertex));
std::memcpy(indexBuffer.value, indicies.data(), indicies.size() * sizeof(std::uint32_t));
vertexBuffer.FlushDevice(cmd, VK_ACCESS_MEMORY_READ_BIT, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR);
vertexBuffer.FlushDevice(cmd, VK_ACCESS_MEMORY_READ_BIT, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR);
VkDeviceOrHostAddressConstKHR vertexAddr;
vertexAddr.deviceAddress = vertexBuffer.address;
@ -160,7 +89,7 @@ void Mesh::Build(std::span<Vertex> verticies, std::span<std::uint32_t> indicies,
&blasBuildSizes
);
new (&scratchBuffer) VulkanBuffer<char>(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, blasBuildSizes.buildScratchSize);
scratchBuffer.Resize(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, blasBuildSizes.buildScratchSize);
VkPhysicalDeviceAccelerationStructurePropertiesKHR asProps{
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ACCELERATION_STRUCTURE_PROPERTIES_KHR
@ -169,7 +98,7 @@ void Mesh::Build(std::span<Vertex> verticies, std::span<std::uint32_t> indicies,
VkDeviceAddress scratchAddr = scratchBuffer.address;
blasBuildGeometryInfo.scratchData.deviceAddress = scratchAddr;
new (&blasBuffer) VulkanBuffer<char>(VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, blasBuildSizes.accelerationStructureSize);
blasBuffer.Resize(VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_STORAGE_BIT_KHR | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, blasBuildSizes.accelerationStructureSize);
// Create and store the BLAS handle
VkAccelerationStructureCreateInfoKHR blasCreateInfo{
@ -180,10 +109,9 @@ void Mesh::Build(std::span<Vertex> verticies, std::span<std::uint32_t> indicies,
.type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
};
VkAccelerationStructureKHR aclereationStructure {};
VulkanDevice::vkCreateAccelerationStructureKHR(VulkanDevice::device, &blasCreateInfo, nullptr, &aclereationStructure);
blasBuildGeometryInfo.dstAccelerationStructure = aclereationStructure;
VulkanDevice::CheckVkResult(VulkanDevice::vkCreateAccelerationStructureKHR(VulkanDevice::device, &blasCreateInfo, nullptr, &accelerationStructure));
blasBuildGeometryInfo.dstAccelerationStructure = accelerationStructure;
// Prepare the build range for the BLAS
VkAccelerationStructureBuildRangeInfoKHR blasRangeInfo {

View file

@ -0,0 +1,130 @@
/*
Crafter®.Graphics
Copyright (C) 2026 Catcrafts®
Catcrafts.net
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
module;
#include <vulkan/vulkan_core.h>
module Crafter.Graphics:RenderingElement3DVulkan_impl;
import :RenderingElement3DVulkan;
import std;
using namespace Crafter;
//std::vector<RenderingElement3DVulkan> RenderingElement3DVulkan::elements;
//RenderingElement3DVulkan::RenderingElement3DVulkan(Mesh& mesh) {
// VkTransformMatrixKHR identity{};
// float tmp[3][4] = {
// {1.f, 0.f, 0.f, 0.f},
// {0.f, 1.f, 0.f, 0.f},
// {0.f, 0.f, 1.f, 0.f}
// };
// std::memcpy(identity.matrix, tmp, sizeof(tmp));
// VkAccelerationStructureDeviceAddressInfoKHR addrInfo {
// .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_DEVICE_ADDRESS_INFO_KHR,
// .accelerationStructure = mesh.accelerationStructure
// };
// VkDeviceAddress blasDeviceAddr = VulkanDevice::vkGetAccelerationStructureDeviceAddressKHR(VulkanDevice::device, &addrInfo);
// instance = {
// .transform = identity,
// .mask = 0xFF,
// .accelerationStructureReference = blasDeviceAddr
// };
// }
// void RenderingElement3DVulkan::BuildTLAS(VkCommandBuffer cmd) {
// VulkanBuffer<VkAccelerationStructureInstanceKHR> newBuffer(VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_2_ACCELERATION_STRUCTURE_BUILD_INPUT_READ_ONLY_BIT_KHR, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, elements.size());
// for(std::uint32_t i = 0; i < elements.size(); i++) {
// newBuffer.value[i] = elements[i].instance;
// }
// VkAccelerationStructureGeometryInstancesDataKHR instancesData = VkAccelerationStructureGeometryInstancesDataKHR {
// .arrayOfPointers = VK_FALSE,
// .data = {newBuffer.address}
// };
// vk::AccelerationStructureGeometryDataKHR geometryData(instancesData);
// vk::AccelerationStructureGeometryKHR tlasGeometry{
// .geometryType = vk::GeometryTypeKHR::eInstances,
// .geometry = geometryData};
// vk::AccelerationStructureBuildGeometryInfoKHR tlasBuildGeometryInfo{
// .type = vk::AccelerationStructureTypeKHR::eTopLevel,
// .mode = vk::BuildAccelerationStructureModeKHR::eBuild,
// .geometryCount = 1,
// .pGeometries = &tlasGeometry};
// // Query the memory sizes that will be needed for this TLAS
// auto primitiveCount = static_cast<uint32_t>(instances.size());
// vk::AccelerationStructureBuildSizesInfoKHR tlasBuildSizes =
// device.getAccelerationStructureBuildSizesKHR(
// vk::AccelerationStructureBuildTypeKHR::eDevice,
// tlasBuildGeometryInfo,
// {primitiveCount});
// // Create a scratch buffer for the TLAS, this will hold temporary data
// // during the build process
// createBuffer(
// tlasBuildSizes.buildScratchSize,
// vk::BufferUsageFlagBits::eStorageBuffer |
// vk::BufferUsageFlagBits::eShaderDeviceAddress,
// vk::MemoryPropertyFlagBits::eDeviceLocal,
// tlasScratchBuffer, tlasScratchMemory);
// // Save the scratch buffer address in the build info structure
// vk::BufferDeviceAddressInfo scratchAddressInfo{.buffer = *tlasScratchBuffer};
// vk::DeviceAddress scratchAddr = device.getBufferAddressKHR(scratchAddressInfo);
// tlasBuildGeometryInfo.scratchData.deviceAddress = scratchAddr;
// // Create a buffer for the TLAS itself now that we now the required size
// createBuffer(
// tlasBuildSizes.accelerationStructureSize,
// vk::BufferUsageFlagBits::eAccelerationStructureStorageKHR |
// vk::BufferUsageFlagBits::eShaderDeviceAddress |
// vk::BufferUsageFlagBits::eAccelerationStructureBuildInputReadOnlyKHR,
// vk::MemoryPropertyFlagBits::eDeviceLocal,
// tlasBuffer, tlasMemory);
// // Create and store the TLAS handle
// vk::AccelerationStructureCreateInfoKHR tlasCreateInfo{
// .buffer = tlasBuffer,
// .offset = 0,
// .size = tlasBuildSizes.accelerationStructureSize,
// .type = vk::AccelerationStructureTypeKHR::eTopLevel,
// };
// tlas = device.createAccelerationStructureKHR(tlasCreateInfo);
// // Save the TLAS handle in the build info structure
// tlasBuildGeometryInfo.dstAccelerationStructure = tlas;
// // Prepare the build range for the TLAS
// vk::AccelerationStructureBuildRangeInfoKHR tlasRangeInfo{
// .primitiveCount = primitiveCount,
// .primitiveOffset = 0,
// .firstVertex = 0,
// .transformOffset = 0};
// cmd->buildAccelerationStructuresKHR({tlasBuildGeometryInfo}, {&tlasRangeInfo});
//}

View file

@ -299,6 +299,7 @@ void VulkanDevice::CreateDevice() {
vkGetAccelerationStructureBuildSizesKHR = reinterpret_cast<PFN_vkGetAccelerationStructureBuildSizesKHR>(vkGetInstanceProcAddr(instance, "vkGetAccelerationStructureBuildSizesKHR"));
vkCreateAccelerationStructureKHR = reinterpret_cast<PFN_vkCreateAccelerationStructureKHR>(vkGetInstanceProcAddr(instance, "vkCreateAccelerationStructureKHR"));
vkCmdBuildAccelerationStructuresKHR = reinterpret_cast<PFN_vkCmdBuildAccelerationStructuresKHR>(vkGetInstanceProcAddr(instance, "vkCmdBuildAccelerationStructuresKHR"));
vkGetAccelerationStructureDeviceAddressKHR = reinterpret_cast<PFN_vkGetAccelerationStructureDeviceAddressKHR>(vkGetInstanceProcAddr(instance, "vkGetAccelerationStructureDeviceAddressKHR"));
}
std::uint32_t VulkanDevice::GetMemoryType(uint32_t typeBits, VkMemoryPropertyFlags properties) {