Instancing buffers waste space between draw commands #48

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kayomn · 2024-05-30T23:43:04+02:00

kayomn commented

2024-05-30 23:43:04 +02:00

If 513 draw instances are batched into blocks of 512, the renderer will dedicate a whole block to the last element and any subsequent calls will allocate a third block and start from an entirely new buffer.

Ideally the existing buffer could be used for data belonging to a separate set of instance draws, and instead the runtime would keep track of what range across the buffers belongs to what draw command.

instance_buffers: [ 512/512, 34/512 ]
command_ranges: [408, 104, 34]

If 513 draw instances are batched into blocks of 512, the renderer will dedicate a whole block to the last element and any subsequent calls will allocate a third block and start from an entirely new buffer. Ideally the existing buffer could be used for data belonging to a separate set of instance draws, and instead the runtime would keep track of what range across the buffers belongs to what draw command. ``` instance_buffers: [ 512/512, 34/512 ] command_ranges: [408, 104, 34] ```

kayomn added this to the 1.0 milestone 2024-06-05 00:06:15 +02:00

kayomn referenced a pull request that will close this issue

2024-06-05 00:11:18 +02:00

renderer-mvp/refactor-tech #50

kayomn closed this issue

2024-06-05 00:12:27 +02:00

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Reference: kayomn/ona#48