kernel_emission.h File Reference

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Functions
CCL_NAMESPACE_BEGIN __device float3	direct_emissive_eval (KernelGlobals *kg, float rando, LightSample *ls, float u, float v, float3 I)
__device bool	direct_emission (KernelGlobals *kg, ShaderData *sd, int lindex, float randt, float rando, float randu, float randv, Ray *ray, float3 *eval)
__device float3	indirect_emission (KernelGlobals *kg, ShaderData *sd, float t, int path_flag, float bsdf_pdf)

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Function Documentation

__device bool direct_emission	(	KernelGlobals *	kg,
		ShaderData *	sd,
		int	lindex,
		float	randt,
		float	rando,
		float	randu,
		float	randv,
		Ray *	ray,
		float3 *	eval
	)

Definition at line 49 of file kernel_emission.h.

References Ray::D, LightSample::D, direct_emissive_eval(), FLT_MAX, is_zero(), light_sample(), light_sample_pdf(), light_select(), M_1_PI_F, ShaderData::Ng, LightSample::Ng, normalize_len(), Ray::P, LightSample::P, ShaderData::P, power_heuristic(), LightSample::prim, ray_offset(), LightSample::shader, SHADER_AREA_LIGHT, shader_bsdf_eval(), SHADER_CAST_SHADOW, LightSample::t, and Ray::t.

Referenced by kernel_path_integrate().

CCL_NAMESPACE_BEGIN __device float3 direct_emissive_eval	(	KernelGlobals *	kg,
		float	rando,
		LightSample *	ls,
		float	u,
		float	v,
		float3	I
	)

Definition at line 23 of file kernel_emission.h.

References ShaderData::flag, make_float3(), ShaderData::Ng, LightSample::Ng, LightSample::object, LightSample::P, LightSample::prim, SD_EMISSION, LightSample::shader, shader_emissive_eval(), shader_eval_surface(), shader_release(), and shader_setup_from_sample().

Referenced by direct_emission().

__device float3 indirect_emission	(	KernelGlobals *	kg,
		ShaderData *	sd,
		float	t,
		int	path_flag,
		float	bsdf_pdf
	)

Definition at line 122 of file kernel_emission.h.

References ShaderData::flag, ShaderData::I, L, ShaderData::Ng, PATH_RAY_MIS_SKIP, power_heuristic(), SD_SAMPLE_AS_LIGHT, shader_emissive_eval(), and triangle_light_pdf().

Referenced by kernel_path_integrate().