feat: start of a basic rendering backend

1 files changed, 40 insertions, 0 deletions

diff --git a/src/platform/opengl/opengl_vertex_array.h b/src/platform/opengl/opengl_vertex_array.h
new file mode 100644
index 0000000..e1a02f6
--- /dev/null
+++ b/src/platform/opengl/opengl_vertex_array.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "rendering/vertex_array.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 add_vertex_buffer(const std::shared_ptr<VertexBuffer>& vertex_buffer) override;
+        virtual void set_index_buffer(const std::shared_ptr<IndexBuffer>& index_buffer) override;
+
+        virtual const std::vector<std::shared_ptr<VertexBuffer>>& get_vertex_buffers() const override 
+        { 
+            return m_vertex_buffers; 
+        }
+        
+        virtual const std::shared_ptr<IndexBuffer>& get_index_buffer() const override 
+        { 
+            return m_index_buffer; 
+        }
+    private:
+        uint32_t m_renderer_id;
+        uint32_t m_vertex_buffer_index = 0;
+        std::vector<std::shared_ptr<VertexBuffer>> m_vertex_buffers;
+        std::shared_ptr<IndexBuffer> m_index_buffer;
+    };
+};