[add]: Start of a basic rendering backend

1 files changed, 40 insertions, 0 deletions

diff --git a/src/Platform/OpenGL/OpenGLVertexArray.h b/src/Platform/OpenGL/OpenGLVertexArray.h
new file mode 100644
index 0000000..6783140
--- /dev/null
+++ b/src/Platform/OpenGL/OpenGLVertexArray.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "Rendering/VertexArray.h"
+#include <vector>
+#include <memory>
+
+namespace Donut
+{
+    class VertexBuffer;
+    class IndexBuffer;
+    
+    class OpenGLVertexArray 
+        : public VertexArray 
+        {
+    public:
+        OpenGLVertexArray();
+        virtual ~OpenGLVertexArray();
+
+        virtual void Bind() const override;
+        virtual void Unbind() const override;
+
+        virtual void AddVertexBuffer(const std::shared_ptr<VertexBuffer>& vertexBuffer) override;
+        virtual void SetIndexBuffer(const std::shared_ptr<IndexBuffer>& indexBuffer) override;
+
+        virtual const std::vector<std::shared_ptr<VertexBuffer>>& GetVertexBuffers() const override 
+        { 
+            return m_VertexBuffers; 
+        }
+        
+        virtual const std::shared_ptr<IndexBuffer>& GetIndexBuffer() const override 
+        { 
+            return m_IndexBuffer; 
+        }
+    private:
+        uint32_t m_RendererID;
+        uint32_t m_VertexBufferIndex = 0;
+        std::vector<std::shared_ptr<VertexBuffer>> m_VertexBuffers;
+        std::shared_ptr<IndexBuffer> m_IndexBuffer;
+    };
+};