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14 lines
511 B
C
14 lines
511 B
C
#ifndef TEX_LEN_H
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#define TEX_LEN_H
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/**
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* Compute a length for an array holding a texture.
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* `type` is the array's element type.
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* `width`, `height` are the texture dimensions.
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* `bpp` is the texture's pixel size, in bits per pixels.
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* The calculation computes the size of the texture in bits `width * height * bpp`,
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* then divides by 8 to get the size in bytes, then divides by the element type size.
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*/
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#define TEX_LEN(type, width, height, bpp) ((width) * (height) * (bpp) / 8 / sizeof(type))
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#endif
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