Macros
#define	CMJ_RANDOM_OFFSET_LIMIT 4096

Functions
ccl_device_inline bool	cmj_is_pow2 (int i)

ccl_device_inline int	cmj_fast_mod_pow2 (int a, int b)

ccl_device_inline int	cmj_fast_div_pow2 (int a, int b)

ccl_device_inline uint	cmj_w_mask (uint w)

ccl_device_inline uint	cmj_permute (uint i, uint l, uint p)

ccl_device_inline uint	cmj_hash (uint i, uint p)

ccl_device_inline uint	cmj_hash_simple (uint i, uint p)

ccl_device_inline float	cmj_randfloat (uint i, uint p)

ccl_device float	pmj_sample_1D (KernelGlobals *kg, int sample, int rng_hash, int dimension)

ccl_device float2	pmj_sample_2D (KernelGlobals *kg, int sample, int rng_hash, int dimension)

Macro Definition Documentation

◆ CMJ_RANDOM_OFFSET_LIMIT

#define CMJ_RANDOM_OFFSET_LIMIT 4096

Definition at line 25 of file kernel_jitter.h.

Function Documentation

◆ cmj_fast_div_pow2()

ccl_device_inline int cmj_fast_div_pow2	(	int	a,
		int	b
	)

Definition at line 38 of file kernel_jitter.h.

References Freestyle::a, count_trailing_zeros(), and kernel_assert.

◆ cmj_fast_mod_pow2()

ccl_device_inline int cmj_fast_mod_pow2	(	int	a,
		int	b
	)

Definition at line 32 of file kernel_jitter.h.

References Freestyle::a.

◆ cmj_hash()

ccl_device_inline uint cmj_hash	(	uint	i,
		uint	p
	)

Definition at line 106 of file kernel_jitter.h.

Referenced by cmj_randfloat(), and subsurface_random_walk().

◆ cmj_hash_simple()

ccl_device_inline uint cmj_hash_simple	(	uint	i,
		uint	p
	)

Definition at line 122 of file kernel_jitter.h.

Referenced by path_rng_1D(), path_state_rng_1D_hash(), pmj_sample_1D(), and pmj_sample_2D().

◆ cmj_is_pow2()

ccl_device_inline bool cmj_is_pow2 ( int i )

Definition at line 27 of file kernel_jitter.h.

◆ cmj_permute()

ccl_device_inline uint cmj_permute	(	uint	i,
		uint	l,
		uint	p
	)

Definition at line 50 of file kernel_jitter.h.

References cmj_w_mask(), l, and w().

◆ cmj_randfloat()

ccl_device_inline float cmj_randfloat	(	uint	i,
		uint	p
	)

Definition at line 131 of file kernel_jitter.h.

References cmj_hash().

Referenced by pmj_sample_1D(), and pmj_sample_2D().

◆ cmj_w_mask()

ccl_device_inline uint cmj_w_mask ( uint w )

Definition at line 44 of file kernel_jitter.h.

References count_leading_zeros(), kernel_assert, and w().

Referenced by cmj_permute().

◆ pmj_sample_1D()

ccl_device float pmj_sample_1D	(	KernelGlobals *	kg,
		int	sample,
		int	rng_hash,
		int	dimension
	)

Definition at line 198 of file kernel_jitter.h.

References __uint_as_float(), cmj_hash_simple(), cmj_randfloat(), kernel_tex_fetch, mask(), NUM_PMJ_PATTERNS, NUM_PMJ_SAMPLES, and blender::compositor::sample().

Referenced by path_rng_1D().

◆ pmj_sample_2D()

ccl_device float2 pmj_sample_2D	(	KernelGlobals *	kg,
		int	sample,
		int	rng_hash,
		int	dimension
	)

Definition at line 212 of file kernel_jitter.h.

References __uint_as_float(), cmj_hash_simple(), cmj_randfloat(), kernel_tex_fetch, make_float2, NUM_PMJ_PATTERNS, NUM_PMJ_SAMPLES, and blender::compositor::sample().

Referenced by path_rng_2D().

Macros

Functions