kernel_emission.h File Reference

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Functions
CCL_NAMESPACE_BEGIN ccl_device_noinline_cpu float3	direct_emissive_eval (KernelGlobals *kg, ShaderData *emission_sd, LightSample *ls, ccl_addr_space PathState *state, float3 I, differential3 dI, float t, float time)
ccl_device_noinline_cpu bool	direct_emission (KernelGlobals *kg, ShaderData *sd, ShaderData *emission_sd, LightSample *ls, ccl_addr_space PathState *state, Ray *ray, BsdfEval *eval, bool *is_lamp, float rand_terminate)
ccl_device_noinline_cpu float3	indirect_primitive_emission (KernelGlobals *kg, ShaderData *sd, float t, int path_flag, float bsdf_pdf)
ccl_device_noinline_cpu void	indirect_lamp_emission (KernelGlobals *kg, ShaderData *emission_sd, ccl_addr_space PathState *state, PathRadiance *L, Ray *ray, float3 throughput)
ccl_device_noinline_cpu float3	indirect_background (KernelGlobals *kg, ShaderData *emission_sd, ccl_addr_space PathState *state, ccl_global float *buffer, ccl_addr_space Ray *ray)

Function Documentation

direct_emission()

ccl_device_noinline_cpu bool direct_emission	(	KernelGlobals *	kg,
		ShaderData *	sd,
		ShaderData *	emission_sd,
		LightSample *	ls,
		ccl_addr_space PathState *	state,
		Ray *	ray,
		BsdfEval *	eval,
		bool *	is_lamp,
		float	rand_terminate
	)

Definition at line 101 of file kernel_emission.h.

References __SHADOW_TRICKS__, bsdf_eval_is_zero(), bsdf_eval_mul(), bsdf_eval_mul3(), bsdf_eval_sum(), LightSample::D, Ray::D, Ray::dD, differential3_zero(), BsdfEval::diffuse, direct_emissive_eval(), dot(), Ray::dP, fabs(), BsdfEval::glossy, is_zero(), kernel_data, kg, LIGHT_BACKGROUND, max3(), LightSample::Ng, normalize_len(), LightSample::P, Ray::P, PATH_RAY_SHADOW_CATCHER, LightSample::pdf, power_heuristic(), LightSample::prim, PRIM_NONE, ray_offset(), LightSample::shader, shader_bsdf_eval(), SHADER_CAST_SHADOW, SHADER_EXCLUDE_ANY, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, SHADER_EXCLUDE_SCATTER, SHADER_EXCLUDE_TRANSMIT, SHADER_USE_MIS, state, LightSample::t, Ray::t, BsdfEval::transmission, LightSample::type, BsdfEval::volume, and zero_float3().

Referenced by kernel_direct_lighting(), and kernel_path_surface_connect_light().

direct_emissive_eval()

CCL_NAMESPACE_BEGIN ccl_device_noinline_cpu float3 direct_emissive_eval	(	KernelGlobals *	kg,
		ShaderData *	emission_sd,
		LightSample *	ls,
		ccl_addr_space PathState *	state,
		float3	I,
		differential3	dI,
		float	t,
		float	time
	)

Definition at line 20 of file kernel_emission.h.

References ccl_global, LightSample::D, Ray::D, Ray::dD, differential3_zero(), Ray::dP, LightSample::eval_fac, I, kernel_tex_fetch, kg, LightSample::lamp, LAMP_NONE, LIGHT_BACKGROUND, make_float3, LightSample::Ng, NULL, LightSample::object, LightSample::P, Ray::P, PATH_RAY_EMISSION, path_state_modify_bounce(), LightSample::prim, PRIM_NONE, LightSample::shader, shader_background_eval(), shader_constant_emission_eval(), shader_emissive_eval(), shader_eval_surface(), shader_setup_from_background(), shader_setup_from_sample(), state, Ray::t, t, Ray::time, time, LightSample::type, LightSample::u, LightSample::v, and zero_float3().

Referenced by direct_emission(), and indirect_lamp_emission().

indirect_background()

ccl_device_noinline_cpu float3 indirect_background	(	KernelGlobals *	kg,
		ShaderData *	emission_sd,
		ccl_addr_space PathState *	state,
		ccl_global float *	buffer,
		ccl_addr_space Ray *	ray
	)

Definition at line 288 of file kernel_emission.h.

References buffer, kernel_data, kg, L, make_float3, PATH_RAY_CAMERA, PATH_RAY_DIFFUSE, PATH_RAY_EMISSION, PATH_RAY_GLOSSY, PATH_RAY_MIS_SKIP, PATH_RAY_REFLECT, PATH_RAY_TRANSMIT, PATH_RAY_VOLUME_SCATTER, path_state_modify_bounce(), power_heuristic(), shader(), shader_background_eval(), shader_constant_emission_eval(), shader_eval_surface(), SHADER_EXCLUDE_ANY, SHADER_EXCLUDE_CAMERA, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, SHADER_EXCLUDE_SCATTER, SHADER_EXCLUDE_TRANSMIT, shader_setup_from_background(), state, and zero_float3().

Referenced by CPUDevice::CPUDevice(), kernel_path_background(), kernel_path_shader_apply(), DeviceSplitKernel::load_kernels(), and DeviceSplitKernel::path_trace().

indirect_lamp_emission()

ccl_device_noinline_cpu void indirect_lamp_emission	(	KernelGlobals *	kg,
		ShaderData *	emission_sd,
		ccl_addr_space PathState *	state,
		PathRadiance *	L,
		Ray *	ray,
		float3	throughput
	)

Definition at line 235 of file kernel_emission.h.

References ccl_optional_struct_init, Ray::D, Ray::dD, direct_emissive_eval(), kernel_data, kg, L, lamp, lamp_light_eval(), one_float3(), Ray::P, path_radiance_accum_emission(), PATH_RAY_DIFFUSE, PATH_RAY_GLOSSY, PATH_RAY_MIS_SKIP, PATH_RAY_REFLECT, PATH_RAY_TRANSMIT, PATH_RAY_VOLUME_SCATTER, power_heuristic(), SHADER_EXCLUDE_ANY, SHADER_EXCLUDE_DIFFUSE, SHADER_EXCLUDE_GLOSSY, SHADER_EXCLUDE_SCATTER, SHADER_EXCLUDE_TRANSMIT, SHADER_NONE, state, Ray::t, and Ray::time.

Referenced by kernel_path_lamp_emission().

indirect_primitive_emission()

ccl_device_noinline_cpu float3 indirect_primitive_emission	(	KernelGlobals *	kg,
		ShaderData *	sd,
		float	t,
		int	path_flag,
		float	bsdf_pdf
	)

Definition at line 209 of file kernel_emission.h.

References kg, L, PATH_RAY_MIS_SKIP, power_heuristic(), PRIMITIVE_ALL_TRIANGLE, SD_USE_MIS, shader_emissive_eval(), t, and triangle_light_pdf().

Referenced by kernel_path_shader_apply().