More Ray tracing changes

2024-06-09 10:44:24 +02:00
parent 31e66192f1
commit f18bf8acbe
28 changed files with 817 additions and 662 deletions
@@ -0,0 +1,67 @@
+#include "RayTracing.h"
+#include "Buffer.h"
+#include "Graphics/Initializer.h"
+#include <vulkan/vulkan_core.h>
+
+using namespace Seele::Vulkan;
+
+BottomLevelAS::BottomLevelAS(PGraphics graphics, const Gfx::BottomLevelASCreateInfo& createInfo)
+{
+    VkDeviceOrHostAddressConstKHR vertexDataDeviceAddress = {
+        .deviceAddress = createInfo.positionBuffer.cast<Buffer>()->getDeviceAddress() + createInfo.verticesOffset,
+    };
+    VkDeviceOrHostAddressConstKHR indexDataDeviceAddress = {
+        .deviceAddress = createInfo.indexBuffer.cast<Buffer>()->getDeviceAddress() + createInfo.indicesOffset,
+    };
+    VkAccelerationStructureGeometryKHR accelerationStructureGeometry = {
+        .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_KHR,
+        .pNext = nullptr,
+        .geometryType = VK_GEOMETRY_TYPE_TRIANGLES_KHR,
+        .geometry = {.triangles = {
+            .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_GEOMETRY_TRIANGLES_DATA_KHR,
+            .pNext = nullptr,
+            .vertexFormat = VK_FORMAT_R32G32B32_SFLOAT,
+            .vertexData = vertexDataDeviceAddress,
+            .vertexStride = sizeof(Vector),
+            .maxVertex = createInfo.positionBuffer->getNumElements(),
+            .indexType = VK_INDEX_TYPE_UINT32,
+            .indexData = indexDataDeviceAddress,
+        }},
+        .flags = VK_GEOMETRY_OPAQUE_BIT_KHR,
+    };
+    
+    VkAccelerationStructureBuildRangeInfoKHR buildRangeInfo = {
+        .primitiveCount = createInfo.meshData.numIndices / 3,
+        .primitiveOffset = 0,
+        .firstVertex = 0,
+        .transformOffset = 0
+    };
+
+    VkAccelerationStructureBuildGeometryInfoKHR buildGeometry = {
+        .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_BUILD_GEOMETRY_INFO_KHR,
+        .pNext = nullptr,
+        .type = VK_ACCELERATION_STRUCTURE_TYPE_BOTTOM_LEVEL_KHR,
+        .flags = VK_BUILD_ACCELERATION_STRUCTURE_PREFER_FAST_TRACE_BIT_KHR,
+    };
+
+    VkAccelerationStructureCreateInfoKHR info = {
+        .sType = VK_STRUCTURE_TYPE_ACCELERATION_STRUCTURE_CREATE_INFO_KHR,
+        .pNext = nullptr,
+        .createFlags = 0,
+    };
+}
+
+BottomLevelAS::~BottomLevelAS()
+{
+
+}
+
+TopLevelAS::TopLevelAS(PGraphics graphics, const Gfx::TopLevelASCreateInfo& createInfo)
+{
+
+}
+
+TopLevelAS::~TopLevelAS()
+{
+
+}