working RT

examples/VulkanTriangle/main.cpp

@@ -36,6 +36,41 @@ int main() {
     RenderingElement3DVulkan::elements.emplace_back(triangleMesh);
     RenderingElement3DVulkan::BuildTLAS(cmd);
 
+    VkDescriptorImageInfo imageInfo = {
+        .imageView = window.imageViews[0],
+        .imageLayout = VK_IMAGE_LAYOUT_GENERAL
+    };
+
+    std::cout << pool.sets.size() << std::endl;
+
+    VkWriteDescriptorSetAccelerationStructureKHR writeDescriptorSetAccelerationStructure {
+        .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET_ACCELERATION_STRUCTURE_KHR,
+        .accelerationStructureCount = 1,
+        .pAccelerationStructures = &RenderingElement3DVulkan::accelerationStructure
+    };
+
+    VkWriteDescriptorSet write[2] = {
+        {
+			.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+            .pNext = &writeDescriptorSetAccelerationStructure,
+			.dstSet = pool.sets[0],
+            .dstBinding = 0,
+            .descriptorCount = 1,
+			.descriptorType = VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR,
+			.pBufferInfo = &RenderingElement3DVulkan::tlasBuffer.descriptor
+        },
+        {
+			.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+			.dstSet = pool.sets[0],
+            .dstBinding = 1,
+            .descriptorCount = 1,
+			.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+			.pImageInfo = &imageInfo
+        }
+    };
+    vkUpdateDescriptorSets(VulkanDevice::device, 2, write, 0, nullptr);
+
+
     /*
         FinishInit executes all commands recorded to StartInit.
         This must be called before the the event loops starts if you called StartInit before.