Implement geometry cache #1515
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Implement geometry cache #1515
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The geometry cache represents 3 buffers: a VBO, IBO, and inputVBO. These buffers will replace the old separate input VBOs and IBOs when enabled. This allows binding only a VAO before rendering, rather than setting up vertex pointers with the correct offset and formats every time. Additionally, it means that there's no need to switch between different VBOs/IBOs. The `inputVBO` is currently unused, but it will be needed to make models work with the geometry cache (model animations and world transform will be processed in a compute shader). Currently this is only used by the material system, but it should be possible to make the core renderer use it as well.
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Requires #1511, #1513, and #1514.
The geometry cache represents 3 buffers: a VBO, IBO, and inputVBO. These buffers will replace the old separate input VBOs and IBOs when enabled. This allows binding only a VAO before rendering, rather than setting up vertex pointers with the correct offset and formats every time. Additionally, it means that there's no need to switch between different VBOs/IBOs. The
inputVBOis currently unused, but it will be needed to make models work with the geometry cache (model animations and world transform will be processed in a compute shader).This further improves performance and removes the VBO/IBO check for materials.
Currently this is only used by the material system, but it should be possible to make the core renderer use it as well.
This will also be required to support entities with material system.