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https://github.com/italicsjenga/vello.git
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cb06b1bc3d
This version seems to work but the allocation of segments has low utilization. Probably best to allocate in chunks rather than try to make them contiguous.
35 lines
979 B
C
35 lines
979 B
C
// Various constants for the sizes of groups and tiles.
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// Much of this will be made dynamic in various ways, but for now it's easiest
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// to hardcode and keep all in one place.
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// TODO: make the image size dynamic.
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#define IMAGE_WIDTH 2048
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#define IMAGE_HEIGHT 1536
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// TODO: compute this
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#define WIDTH_IN_TILEGROUPS 4
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#define TILEGROUP_WIDTH_PX 512
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#define TILEGROUP_HEIGHT_PX 16
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#define TILEGROUP_INITIAL_ALLOC 1024
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// Quick note on layout of tilegroups (k1 output): in the base,
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// there is a region of size TILEGROUP_STRIDE for each tilegroup.
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// At offset 0 are the main instances, encoded with Jump. At offset
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// TILEGROUP_STROKE_START are the stroke instances, encoded with
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// Head and Link.
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#define TILEGROUP_STRIDE 2048
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#define TILEGROUP_STROKE_START 1024
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#define TILEGROUP_STROKE_ALLOC 1024
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// TODO: compute all these
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#define WIDTH_IN_TILES 128
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#define TILEGROUP_WIDTH_TILES 32
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#define TILE_WIDTH_PX 16
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#define TILE_HEIGHT_PX 16
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#define PTCL_INITIAL_ALLOC 1024
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