Resource

Model & Texture

• If same model, texture is used, do not create more model or texture. Return already created resource.

• Model & texture is distinguished by file name.

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Model

• From *.obj file or vertices in code

• Use EBO(element buffer object) or not

• If EBO is used, drawcall function is changed

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Texture

• Use *.DDS, *.BMP texture loader in reference

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Batching

• Sort object with texture(1st) & model(2nd)

• Make texture and model change drawcall as few as possible.

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Reference : http://www.opengl-tutorial.org/kr/beginners-tutorials/tutorial-7-model-loading/