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When we allocate a pixmap > 2G, but < 4G, the index into that
pixmap, when calculated as an int can be negative. Fix this with
various casts to unsigned int.
If we ever move to support >4G images we'll need to rejig the
casting to cast each part of the element to ptrdiff_t first.
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If this is defined during building, we use our own sinf/cosf/atan2f
functions during shading. This is set automatically if CLUSTER is defined
too, so this should remove the cross-platform differences seen during
cluster rendering.
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Debug printing functions: debug -> print.
Accessors: get noun attribute -> noun attribute.
Find -> lookup when the returned value is not reference counted.
pixmap_with_rect -> pixmap_with_bbox.
We are reserving the word "find" to mean lookups that give ownership
of objects to the caller. Lookup is used in other places where the
ownership is not transferred, or simple values are returned.
The rename is done by the sed script in scripts/rename3.sed
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C's standard is copy(dst, src), so we move to adopt that here.
Hopefully no one is calling this routine other than us - if they are,
then I apologise! Better to aim for consistency before we freeze
the API at v1.0 than to carry an inconsistent API around ever after.
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Attempt to separate public API from internal functions.
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Huge pervasive change to lots of files, adding a context for exception
handling and allocation.
In time we'll move more statics into there.
Also fix some for(i = 0; i < function(...); i++) calls.
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Also put the function on the same line for inline functions, so
they stick out and are easy to find with grep.
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The run-together words are dead! Long live the underscores!
The postscript inspired naming convention of using all run-together
words has served us well, but it is now time for more readable code.
In this commit I have also added the sed script, rename.sed, that I used
to convert the source. Use it on your patches and application code.
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