Differential D2023 Diff 6741 intern/cycles/kernel/kernel_emission.h

Changeset View

Standalone View

intern/cycles/kernel/kernel_emission.h

Show All 24 Lines	ccl_device_noinline float3 direct_emissive_eval(KernelGlobals *kg,
float t,		float t,
float time)		float time)
{		{
/* setup shading at emitter */		/* setup shading at emitter */
#ifdef __SPLIT_KERNEL__		#ifdef __SPLIT_KERNEL__
ShaderData *sd = kg->sd_input;		ShaderData *sd = kg->sd_input;
#else		#else
ShaderData sd_object;		ShaderData sd_object;
		ShaderClosure sd_object_closure[MAX_EMISSION_CLOSURE];
		sd_object.closure = sd_object_closure;
		sd_object.max_closure = MAX_EMISSION_CLOSURE;
ShaderData *sd = &sd_object;		ShaderData *sd = &sd_object;
#endif		#endif
float3 eval;		float3 eval;

#ifdef __BACKGROUND_MIS__		#ifdef __BACKGROUND_MIS__
if(ls->type == LIGHT_BACKGROUND) {		if(ls->type == LIGHT_BACKGROUND) {
Ray ray;		Ray ray;
ray.D = ls->D;		ray.D = ls->D;
▲ Show 20 Lines • Show All 233 Lines • ▼ Show 20 Lines	if(((shader & SHADER_EXCLUDE_DIFFUSE) && (state->flag & PATH_RAY_DIFFUSE)) \|\|
((shader & SHADER_EXCLUDE_TRANSMIT) && (state->flag & PATH_RAY_TRANSMIT)) \|\|		((shader & SHADER_EXCLUDE_TRANSMIT) && (state->flag & PATH_RAY_TRANSMIT)) \|\|
((shader & SHADER_EXCLUDE_CAMERA) && (state->flag & PATH_RAY_CAMERA)) \|\|		((shader & SHADER_EXCLUDE_CAMERA) && (state->flag & PATH_RAY_CAMERA)) \|\|
((shader & SHADER_EXCLUDE_SCATTER) && (state->flag & PATH_RAY_VOLUME_SCATTER)))		((shader & SHADER_EXCLUDE_SCATTER) && (state->flag & PATH_RAY_VOLUME_SCATTER)))
return make_float3(0.0f, 0.0f, 0.0f);		return make_float3(0.0f, 0.0f, 0.0f);
}		}

/* evaluate background closure */		/* evaluate background closure */
# ifdef __SPLIT_KERNEL__		# ifdef __SPLIT_KERNEL__
		ShaderData *sd = kg->sd_input;
Ray priv_ray = *ray;		Ray priv_ray = *ray;
shader_setup_from_background(kg, kg->sd_input, &priv_ray);		shader_setup_from_background(kg, sd, &priv_ray);

path_state_modify_bounce(state, true);
float3 L = shader_eval_background(kg, kg->sd_input, state, state->flag, SHADER_CONTEXT_EMISSION);
path_state_modify_bounce(state, false);
# else		# else
ShaderData sd;		ShaderData emission_sd;
shader_setup_from_background(kg, &sd, ray);		ShaderClosure emission_sd_closure[MAX_EMISSION_CLOSURE];
		emission_sd.closure = emission_sd_closure;
		emission_sd.max_closure = MAX_EMISSION_CLOSURE;

		ShaderData *sd = &emission_sd;
		shader_setup_from_background(kg, sd, ray);
		# endif

path_state_modify_bounce(state, true);		path_state_modify_bounce(state, true);
float3 L = shader_eval_background(kg, &sd, state, state->flag, SHADER_CONTEXT_EMISSION);		float3 L = shader_eval_background(kg, sd, state, state->flag, SHADER_CONTEXT_EMISSION);
path_state_modify_bounce(state, false);		path_state_modify_bounce(state, false);
# endif

#ifdef __BACKGROUND_MIS__		#ifdef __BACKGROUND_MIS__
/* check if background light exists or if we should skip pdf */		/* check if background light exists or if we should skip pdf */
int res = kernel_data.integrator.pdf_background_res;		int res = kernel_data.integrator.pdf_background_res;

if(!(state->flag & PATH_RAY_MIS_SKIP) && res) {		if(!(state->flag & PATH_RAY_MIS_SKIP) && res) {
/* multiple importance sampling, get background light pdf for ray		/* multiple importance sampling, get background light pdf for ray
* direction, and compute weight with respect to BSDF pdf */		* direction, and compute weight with respect to BSDF pdf */
Show All 15 Lines