diff --git a/ext/native/thin3d/VulkanRenderManager.cpp b/ext/native/thin3d/VulkanRenderManager.cpp
index daa07812cb..2550c2b6fc 100644
--- a/ext/native/thin3d/VulkanRenderManager.cpp
+++ b/ext/native/thin3d/VulkanRenderManager.cpp
@@ -14,6 +14,11 @@
 // TODO: Using a thread here is unfinished and does not work correctly.
 const bool useThread = false;
 
+#ifndef UINT64_MAX
+#define UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
+#endif
+
+
 void CreateImage(VulkanContext *vulkan, VkCommandBuffer cmd, VKRImage &img, int width, int height, VkFormat format, VkImageLayout initialLayout, bool color) {
 	VkImageCreateInfo ici{ VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };
 	ici.arrayLayers = 1;
@@ -26,12 +31,14 @@ void CreateImage(VulkanContext *vulkan, VkCommandBuffer cmd, VKRImage &img, int
 	ici.samples = VK_SAMPLE_COUNT_1_BIT;
 	ici.tiling = VK_IMAGE_TILING_OPTIMAL;
 	ici.format = format;
+	// Strictly speaking we don't yet need VK_IMAGE_USAGE_SAMPLED_BIT for depth buffers since we do not yet sample depth buffers.
 	ici.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
 	if (color) {
 		ici.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 	} else {
 		ici.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 	}
+
 	vkCreateImage(vulkan->GetDevice(), &ici, nullptr, &img.image);
 
 	// TODO: If available, use nVidia's VK_NV_dedicated_allocation for framebuffers