Add VertexInputDescription

openVulkanoCpp/Scene/VertexInputDescription.hpp

@@ -0,0 +1,54 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include "DataFormat.hpp"
+
+namespace openVulkanoCpp
+{
+	struct VertexInputParameter
+	{
+		uint32_t location;
+		uint32_t binding;
+		DataFormat format;
+		uint32_t offset;
+
+		VertexInputParameter(uint32_t location, uint32_t binding, DataFormat format, uint32_t offset)
+				: location(location), binding(binding), format(format), offset(offset)
+		{}
+
+		VertexInputParameter(size_t location, uint32_t binding, DataFormat format, uint32_t offset)
+				: location(location), binding(binding), format(format), offset(offset)
+		{}
+	};
+
+	struct VertexInputDescription
+	{
+		uint32_t bindingId;
+		uint32_t vertexSize;
+		std::vector<VertexInputParameter> inputParameters;
+
+		VertexInputDescription(uint32_t bindingId, uint32_t vertexSize) : bindingId(bindingId), vertexSize(vertexSize)
+		{}
+
+		VertexInputDescription(uint32_t bindingId, const VertexInputDescription& vertexDescription)
+				: bindingId(bindingId), vertexSize(vertexDescription.vertexSize), inputParameters(vertexDescription.inputParameters)
+		{
+			for (auto& param : inputParameters)
+			{
+				param.binding = bindingId;
+			}
+		}
+
+		VertexInputDescription& AddInputParameter(DataFormat format, uint32_t offset)
+		{
+			if (offset >= vertexSize) throw std::runtime_error("VertexInputParameter offset cannot be greater than vertex size");
+			inputParameters.emplace_back(inputParameters.size(), bindingId, format, offset);
+			return *this;
+		}
+	};
+}