Merge branch 'master' of git://factorcode.org/git/factor
commit
8486e6db82
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@ -92,11 +92,16 @@ PREDICATE: fragment-shader < gl-shader (fragment-shader?) ;
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: gl-program-shaders-length ( program -- shaders-length )
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GL_ATTACHED_SHADERS gl-program-get-int ; inline
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! On some macosx-x86-64 graphics drivers, glGetAttachedShaders tries to treat the
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! shaders parameter as a ulonglong array rather than a GLuint array as documented.
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! We hack around this by allocating a buffer twice the size and sifting out the zero
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! values
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: gl-program-shaders ( program -- shaders )
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dup gl-program-shaders-length
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dup gl-program-shaders-length 2 *
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0 <int>
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over <uint-array>
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[ glGetAttachedShaders ] keep ;
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[ glGetAttachedShaders ] keep [ zero? not ] filter ;
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: delete-gl-program-only ( program -- )
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glDeleteProgram ; inline
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@ -12,12 +12,12 @@ CONSTANT: crc32-table V{ }
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256 iota [
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8 [
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[ 2/ ] [ even? ] bi [ crc32-polynomial bitxor ] unless
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] times >bignum
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] times
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] map 0 crc32-table copy
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: (crc32) ( crc ch -- crc )
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>bignum dupd bitxor
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mask-byte crc32-table nth-unsafe >bignum
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dupd bitxor
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mask-byte crc32-table nth-unsafe
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swap -8 shift bitxor ; inline
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SINGLETON: crc32
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