New spline stuff seems to need bigger storage buffer pools

GPU/Vulkan/DrawEngineVulkan.cpp

@@ -355,7 +355,7 @@ VkResult DrawEngineVulkan::RecreateDescriptorPool(FrameData &frame, int newSize)
 	dpTypes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC;
 	dpTypes[1].descriptorCount = frame.descPoolSize * 3;  // Don't use these for tess anymore, need max three per set.
 	dpTypes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
-	dpTypes[2].descriptorCount = frame.descPoolSize;
+	dpTypes[2].descriptorCount = frame.descPoolSize * 3;  // TODO: Use a separate layout when no spline stuff is needed to reduce the need for these.
 	dpTypes[2].type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
 
 	VkDescriptorPoolCreateInfo dp{ VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO };