vulkan triangle

This commit is contained in:
Jorijn van der Graaf 2026-01-29 19:18:47 +01:00
commit 96b5d1a299
8 changed files with 170 additions and 48 deletions

View file

@ -43,9 +43,12 @@ RenderingElement3DVulkan::RenderingElement3DVulkan(Mesh& mesh) {
VkDeviceAddress blasDeviceAddr = VulkanDevice::vkGetAccelerationStructureDeviceAddressKHR(VulkanDevice::device, &addrInfo);
instance = {
.transform = identity,
.mask = 0xFF,
.accelerationStructureReference = blasDeviceAddr
.transform = identity,
.instanceCustomIndex = 0,
.mask = 0xFF,
.instanceShaderBindingTableRecordOffset = 0,
.flags = VK_GEOMETRY_INSTANCE_TRIANGLE_FACING_CULL_DISABLE_BIT_KHR | VK_GEOMETRY_INSTANCE_FORCE_OPAQUE_BIT_KHR,
.accelerationStructureReference = blasDeviceAddr
};
}
@ -56,6 +59,8 @@ void RenderingElement3DVulkan::BuildTLAS(VkCommandBuffer cmd) {
instanceBuffer.value[i] = elements[i].instance;
}
instanceBuffer.FlushDevice(cmd, VK_ACCESS_MEMORY_READ_BIT, VK_PIPELINE_STAGE_ACCELERATION_STRUCTURE_BUILD_BIT_KHR);
VkAccelerationStructureGeometryInstancesDataKHR instancesData = VkAccelerationStructureGeometryInstancesDataKHR {
.sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_INSTANCES_DATA_KHR,
.arrayOfPointers = VK_FALSE,