Add VertexBuffer and IndexBuffer classes

inferno/src/inferno/render/buffer.cpp

@@ -0,0 +1,58 @@
+#include <glad/glad.h>
+
+#include "inferno/render/buffer.h"
+
+namespace Inferno {
+
+	VertexBuffer::VertexBuffer(float* vertices, size_t size)
+	{
+		glCreateBuffers(1, &m_id);
+		this->bind();
+
+		// Upload data to the GPU
+		glBufferData(GL_ARRAY_BUFFER, size, vertices, GL_STATIC_DRAW);
+	}
+
+	VertexBuffer::~VertexBuffer()
+	{
+		glDeleteBuffers(1, &m_id);
+	}
+
+	void VertexBuffer::bind() const
+	{
+		glBindBuffer(GL_ARRAY_BUFFER, m_id);
+	}
+
+	void VertexBuffer::unbind() const
+	{
+		glBindBuffer(GL_ARRAY_BUFFER, 0);
+	}
+
+// -----------------------------------------
+
+	IndexBuffer::IndexBuffer(uint32_t* indices, size_t size) :
+		m_count(size / sizeof(uint32_t))
+	{
+		glCreateBuffers(1, &m_id);
+		this->bind();
+
+		// Upload data to the GPU
+		glBufferData(GL_ELEMENT_ARRAY_BUFFER, size, indices, GL_STATIC_DRAW);
+	}
+
+	IndexBuffer::~IndexBuffer()
+	{
+		glDeleteBuffers(1, &m_id);
+	}
+
+	void IndexBuffer::bind() const
+	{
+		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_id);
+	}
+
+	void IndexBuffer::unbind() const
+	{
+		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+	}
+
+}

inferno/src/inferno/render/buffer.h

@@ -0,0 +1,44 @@
+#ifndef BUFFER_H
+#define BUFFER_H
+
+#include <cstddef> // std::size_t
+#include <cstdint> // std::uint32_t
+
+namespace Inferno {
+
+	// GPU memory which holds the raw vertex data
+	class VertexBuffer {
+	public:
+		VertexBuffer(float* vertices, size_t size);
+		~VertexBuffer();
+
+		void bind() const;
+		void unbind() const;
+
+	private:
+		uint32_t m_id;
+	};
+
+// -----------------------------------------
+
+	// Vertices order of rendering
+	class IndexBuffer {
+	public:
+		IndexBuffer(uint32_t* indices, size_t size);
+		~IndexBuffer();
+
+		void bind() const;
+		void unbind() const;
+
+// -----------------------------------------
+
+		inline uint32_t getCount() const { return m_count; }
+
+	private:
+		uint32_t m_id;
+		uint32_t m_count;
+	};
+
+}
+
+#endif // BUFFER_H