Reserve space for a number of vertices and indices. You must finish filling your reserved data before calling PrimReserve() again, as it may reallocat

Helper functions to extract RTCRayN and RTCHitN from RTCRayHitN */

FIXME-OPT: Need a way to reuse the result of lower_bound when doing GetInt()/SetInt() - not too bad because it only happens on explicit interaction (m

Computes the bitwise AND of the 128-bit value in b and the bitwise NOT of the 128-bit value in a. r := (~a) & b https://msdn.microsoft.com/en-us/lib

Round the packed double-precision (64-bit) floating-point elements in a up to an integer value, and store the results as packed double-precision float

Round the packed single-precision (32-bit) floating-point elements in a up to an integer value, and store the results as packed single-precision float

Compare packed double-precision (64-bit) floating-point elements in a and b for equality, and store the results in dst. https://www.intel.com/content/

Compares for greater than or equal. https://msdn.microsoft.com/en-us/library/vstudio/fs813y2t(v=vs.100).aspx

Compares for greater than. r0 := (a0 > b0) ? 0xffffffff : 0x0 r1 := (a1 > b1) ? 0xffffffff : 0x0 r2 := (a2 > b2) ? 0xffffffff : 0x0 r3 := (a3 > b3) ?

Copy the lower 64-bit integer in a to dst. dst[63:0] := a[63:0] https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_cv

Round the packed double-precision (64-bit) floating-point elements in a down to an integer value, and store the results as packed double-precision flo

Round the packed single-precision (32-bit) floating-point elements in a down to an integer value, and store the results as packed single-precision flo

Multiply packed double-precision (64-bit) floating-point elements in a and b, and store the results in dst. https://www.intel.com/content/www/us/en/do

Load 128-bits of integer data from memory into dst using a non-temporal memory hint. mem_addr must be aligned on a 16-byte boundary or a general-prote

Return vector of type __m128 with undefined elements. https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_undefined_ps

emulate vaddvq u16 variant */

calculates bounds when tessellated into N line segments */

calculates bounds of bspline curve geometry */

adds a cube to the scene */

* Add a mesh to a scene. */

add point geometry */

Helper: Text buffer for logging/accumulating text

FIXME: maybe there's a better place for this util fct

! Returns bounds of specified child. */

calculates the (correct) interpolated bounds */

! checks if we can use AVX2 */

! computes twice the center of the box */

! frees state not required after build */

creates map for fast categorization of characters */

! differentiated normalization */

* Convert a floating-point value in [0, 1] to 8 bit. */