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Cleanup: EEVEE Next: Clarify sampling rng functions usage #110221

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Miguel Pozo merged 1 commits from pragma37/blender:pull-sampling-rng-doc into main 2023-07-18 15:23:58 +02:00
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1 changed files with 9 additions and 3 deletions
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12
source/blender/draw/engines/eevee_next/eevee_sampling.hh
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@ -89,19 +89,25 @@ class Sampling {
pass->bind_ssbo(SAMPLING_BUF_SLOT, &data_);
}
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated. */
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated.
* WARNING: Don't use during init or sync,
* results are only valid during render, after step() has been called. */
float rng_get(eSamplingDimension dimension) const
{
return data_.dimensions[dimension];
}
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated. */
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated.
* WARNING: Don't use during init or sync,
* results are only valid during render, after step() has been called. */
float2 rng_2d_get(eSamplingDimension starting_dimension) const
{
return *reinterpret_cast<const float2 *>(&data_.dimensions[starting_dimension]);
}
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated. */
/* Returns a pseudo random number in [0..1] range. Each dimension are de-correlated.
* WARNING: Don't use during init or sync,
* results are only valid during render, after step() has been called. */
float3 rng_3d_get(eSamplingDimension starting_dimension) const
{
return *reinterpret_cast<const float3 *>(&data_.dimensions[starting_dimension]);