Misaki/SimpleRayTracing
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Fixed cdf and added Standard Lit

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Misaki
2025-12-29 22:01:44 +09:00
parent e1693764f7
commit adee5acd10
24 changed files with 830 additions and 570 deletions
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24
source/Algorithm/Sobol.c
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@@ -52,7 +52,7 @@ static inline float sobol_uint_to_float(uint32_t x)
return x * 2.3283064365386963e-10f; // 1/2^32
}
float sobol_sample(uint32_t index, uint32_t dimension)
float sobol_sample(uint32_t index, uint16_t dimension)
{
// return random_float();
if (dimension >= SOBOL_DIMENSIONS)
@@ -71,3 +71,25 @@ float sobol_sample(uint32_t index, uint32_t dimension)
return sobol_uint_to_float(result);
}
float sobol_sample_scrambled(uint32_t index, uint16_t dimension, uint32_t scramble)
{
if (dimension >= SOBOL_DIMENSIONS)
{
return 0.0f;
}
uint32_t result = 0;
for (int i = 0; i < SOBOL_BITS; i++)
{
if (sobol_get_bit(index, i))
{
result ^= sobol_direction_vectors[dimension][i];
}
}
// Apply XOR scrambling to decorrelate pixels
result ^= scramble;
return sobol_uint_to_float(result);
}