Whether attribute addressing is a function of the vertex index or instance index.
The number of instances to draw using the same per-instance data before advancing in the instance buffer by one element. Ignored unless input_rate is SDL_GPU_VERTEXINPUTRATE_INSTANCE
The byte pitch between consecutive elements of the vertex buffer.
The binding slot of the vertex buffer.
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A structure specifying the parameters of vertex buffers used in a graphics pipeline.
When you call SDL_BindGPUVertexBuffers, you specify the binding slots of the vertex buffers. For example if you called SDL_BindGPUVertexBuffers with a first_slot of 2 and num_bindings of 3, the binding slots 2, 3, 4 would be used by the vertex buffers you pass in.
Vertex attributes are linked to buffers via the buffer_slot field of SDL_GPUVertexAttribute. For example, if an attribute has a buffer_slot of 0, then that attribute belongs to the vertex buffer bound at slot 0.