Add support for Uniform Buffer to Utility/Renderer

include/Nazara/Utility/UniformBuffer.hpp

@@ -0,0 +1,69 @@
+// Copyright (C) 2017 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Utility module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_UNIFORMBUFFER_HPP
+#define NAZARA_UNIFORMBUFFER_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/ObjectRef.hpp>
+#include <Nazara/Core/Signal.hpp>
+#include <Nazara/Utility/Buffer.hpp>
+
+namespace Nz
+{
+	class UniformBuffer;
+
+	using UniformBufferConstRef = ObjectRef<const UniformBuffer>;
+	using UniformBufferRef = ObjectRef<UniformBuffer>;
+
+	class NAZARA_UTILITY_API UniformBuffer : public RefCounted
+	{
+		public:
+			UniformBuffer() = default;
+			UniformBuffer(BufferRef buffer);
+			UniformBuffer(BufferRef buffer, UInt32 offset, UInt32 size);
+			UniformBuffer(UInt32 length, DataStorage storage, BufferUsageFlags usage);
+			UniformBuffer(const UniformBuffer& uniformBuffer);
+			UniformBuffer(UniformBuffer&&) = delete;
+			~UniformBuffer();
+
+			bool Fill(const void* data, UInt32 offset, UInt32 size);
+
+			inline const BufferRef& GetBuffer() const;
+			inline UInt32 GetEndOffset() const;
+			inline UInt32 GetStartOffset() const;
+
+			inline bool IsValid() const;
+
+			void* Map(BufferAccess access, UInt32 offset = 0, UInt32 size = 0);
+			void* Map(BufferAccess access, UInt32 offset = 0, UInt32 size = 0) const;
+
+			void Reset();
+			void Reset(BufferRef buffer);
+			void Reset(BufferRef buffer, UInt32 offset, UInt32 size);
+			void Reset(UInt32 size, DataStorage storage, BufferUsageFlags usage);
+			void Reset(const UniformBuffer& uniformBuffer);
+
+			void Unmap() const;
+
+			UniformBuffer& operator=(const UniformBuffer& uniformBuffer);
+			UniformBuffer& operator=(UniformBuffer&&) = delete;
+
+			template<typename... Args> static UniformBufferRef New(Args&&... args);
+
+			// Signals:
+			NazaraSignal(OnUniformBufferRelease, const UniformBuffer* /*UniformBuffer*/);
+
+		private:
+			BufferRef m_buffer;
+			UInt32 m_endOffset;
+			UInt32 m_startOffset;
+	};
+}
+
+#include <Nazara/Utility/UniformBuffer.inl>
+
+#endif // NAZARA_UNIFORMBUFFER_HPP