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path: root/intern/cycles/kernel/kernel_emission.h
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Diffstat (limited to 'intern/cycles/kernel/kernel_emission.h')
-rw-r--r--intern/cycles/kernel/kernel_emission.h85
1 files changed, 63 insertions, 22 deletions
diff --git a/intern/cycles/kernel/kernel_emission.h b/intern/cycles/kernel/kernel_emission.h
index 6c5a5fac8c5..1fee5835360 100644
--- a/intern/cycles/kernel/kernel_emission.h
+++ b/intern/cycles/kernel/kernel_emission.h
@@ -17,12 +17,20 @@
CCL_NAMESPACE_BEGIN
/* Direction Emission */
-
ccl_device_noinline float3 direct_emissive_eval(KernelGlobals *kg,
- LightSample *ls, float3 I, differential3 dI, float t, float time, int bounce, int transparent_bounce)
+ LightSample *ls, float3 I, differential3 dI, float t, float time, int bounce, int transparent_bounce
+#ifdef __SPLIT_KERNEL__
+ ,ShaderData *sd_input
+#endif
+)
{
/* setup shading at emitter */
- ShaderData sd;
+#ifdef __SPLIT_KERNEL__
+ ShaderData *sd = sd_input;
+#else
+ ShaderData sd_object;
+ ShaderData *sd = &sd_object;
+#endif
float3 eval;
#ifdef __BACKGROUND_MIS__
@@ -37,23 +45,23 @@ ccl_device_noinline float3 direct_emissive_eval(KernelGlobals *kg,
ray.dP = differential3_zero();
ray.dD = dI;
- shader_setup_from_background(kg, &sd, &ray, bounce+1, transparent_bounce);
- eval = shader_eval_background(kg, &sd, 0, SHADER_CONTEXT_EMISSION);
+ shader_setup_from_background(kg, sd, &ray, bounce+1, transparent_bounce);
+ eval = shader_eval_background(kg, sd, 0, SHADER_CONTEXT_EMISSION);
}
else
#endif
{
- shader_setup_from_sample(kg, &sd, ls->P, ls->Ng, I, ls->shader, ls->object, ls->prim, ls->u, ls->v, t, time, bounce+1, transparent_bounce);
+ shader_setup_from_sample(kg, sd, ls->P, ls->Ng, I, ls->shader, ls->object, ls->prim, ls->u, ls->v, t, time, bounce+1, transparent_bounce);
- ls->Ng = sd.Ng;
+ ls->Ng = ccl_fetch(sd, Ng);
/* no path flag, we're evaluating this for all closures. that's weak but
* we'd have to do multiple evaluations otherwise */
- shader_eval_surface(kg, &sd, 0.0f, 0, SHADER_CONTEXT_EMISSION);
+ shader_eval_surface(kg, sd, 0.0f, 0, SHADER_CONTEXT_EMISSION);
/* evaluate emissive closure */
- if(sd.flag & SD_EMISSION)
- eval = shader_emissive_eval(kg, &sd);
+ if(ccl_fetch(sd, flag) & SD_EMISSION)
+ eval = shader_emissive_eval(kg, sd);
else
eval = make_float3(0.0f, 0.0f, 0.0f);
}
@@ -63,9 +71,14 @@ ccl_device_noinline float3 direct_emissive_eval(KernelGlobals *kg,
return eval;
}
+/* The argument sd_DL is meaningful only for split kernel. Other uses can just pass NULL */
ccl_device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd,
LightSample *ls, Ray *ray, BsdfEval *eval, bool *is_lamp,
- int bounce, int transparent_bounce)
+ int bounce, int transparent_bounce
+#ifdef __SPLIT_KERNEL__
+ , ShaderData *sd_DL
+#endif
+ )
{
if(ls->pdf == 0.0f)
return false;
@@ -74,7 +87,14 @@ ccl_device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd,
differential3 dD = differential3_zero();
/* evaluate closure */
- float3 light_eval = direct_emissive_eval(kg, ls, -ls->D, dD, ls->t, sd->time, bounce, transparent_bounce);
+
+ float3 light_eval = direct_emissive_eval(kg, ls, -ls->D, dD, ls->t, ccl_fetch(sd, time),
+ bounce,
+ transparent_bounce
+#ifdef __SPLIT_KERNEL__
+ ,sd_DL
+#endif
+ );
if(is_zero(light_eval))
return false;
@@ -83,7 +103,7 @@ ccl_device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd,
float bsdf_pdf;
#ifdef __VOLUME__
- if(sd->prim != PRIM_NONE)
+ if(ccl_fetch(sd, prim) != PRIM_NONE)
shader_bsdf_eval(kg, sd, ls->D, eval, &bsdf_pdf);
else
shader_volume_phase_eval(kg, sd, ls->D, eval, &bsdf_pdf);
@@ -118,8 +138,8 @@ ccl_device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd,
if(ls->shader & SHADER_CAST_SHADOW) {
/* setup ray */
- bool transmit = (dot(sd->Ng, ls->D) < 0.0f);
- ray->P = ray_offset(sd->P, (transmit)? -sd->Ng: sd->Ng);
+ bool transmit = (dot(ccl_fetch(sd, Ng), ls->D) < 0.0f);
+ ray->P = ray_offset(ccl_fetch(sd, P), (transmit)? -ccl_fetch(sd, Ng): ccl_fetch(sd, Ng));
if(ls->t == FLT_MAX) {
/* distant light */
@@ -132,7 +152,7 @@ ccl_device_noinline bool direct_emission(KernelGlobals *kg, ShaderData *sd,
ray->D = normalize_len(ray->D, &ray->t);
}
- ray->dP = sd->dP;
+ ray->dP = ccl_fetch(sd, dP);
ray->dD = differential3_zero();
}
else {
@@ -154,14 +174,14 @@ ccl_device_noinline float3 indirect_primitive_emission(KernelGlobals *kg, Shader
float3 L = shader_emissive_eval(kg, sd);
#ifdef __HAIR__
- if(!(path_flag & PATH_RAY_MIS_SKIP) && (sd->flag & SD_USE_MIS) && (sd->type & PRIMITIVE_ALL_TRIANGLE))
+ if(!(path_flag & PATH_RAY_MIS_SKIP) && (ccl_fetch(sd, flag) & SD_USE_MIS) && (ccl_fetch(sd, type) & PRIMITIVE_ALL_TRIANGLE))
#else
- if(!(path_flag & PATH_RAY_MIS_SKIP) && (sd->flag & SD_USE_MIS))
+ if(!(path_flag & PATH_RAY_MIS_SKIP) && (ccl_fetch(sd, flag) & SD_USE_MIS))
#endif
{
/* multiple importance sampling, get triangle light pdf,
* and compute weight with respect to BSDF pdf */
- float pdf = triangle_light_pdf(kg, sd->Ng, sd->I, t);
+ float pdf = triangle_light_pdf(kg, ccl_fetch(sd, Ng), ccl_fetch(sd, I), t);
float mis_weight = power_heuristic(bsdf_pdf, pdf);
return L*mis_weight;
@@ -172,7 +192,12 @@ ccl_device_noinline float3 indirect_primitive_emission(KernelGlobals *kg, Shader
/* Indirect Lamp Emission */
-ccl_device_noinline bool indirect_lamp_emission(KernelGlobals *kg, PathState *state, Ray *ray, float3 *emission)
+/* The argument sd is meaningful only for split kernel. Other uses can just pass NULL */
+ccl_device_noinline bool indirect_lamp_emission(KernelGlobals *kg, PathState *state, Ray *ray, float3 *emission
+#ifdef __SPLIT_KERNEL__
+ ,ShaderData *sd
+#endif
+ )
{
bool hit_lamp = false;
@@ -196,7 +221,13 @@ ccl_device_noinline bool indirect_lamp_emission(KernelGlobals *kg, PathState *st
}
#endif
- float3 L = direct_emissive_eval(kg, &ls, -ray->D, ray->dD, ls.t, ray->time, state->bounce, state->transparent_bounce);
+ float3 L = direct_emissive_eval(kg, &ls, -ray->D, ray->dD, ls.t, ray->time,
+ state->bounce,
+ state->transparent_bounce
+#ifdef __SPLIT_KERNEL__
+ ,sd
+#endif
+ );
#ifdef __VOLUME__
if(state->volume_stack[0].shader != SHADER_NONE) {
@@ -225,7 +256,11 @@ ccl_device_noinline bool indirect_lamp_emission(KernelGlobals *kg, PathState *st
/* Indirect Background */
-ccl_device_noinline float3 indirect_background(KernelGlobals *kg, PathState *state, Ray *ray)
+ccl_device_noinline float3 indirect_background(KernelGlobals *kg, ccl_addr_space PathState *state, ccl_addr_space Ray *ray
+#ifdef __SPLIT_KERNEL__
+ ,ShaderData *sd_global
+#endif
+ )
{
#ifdef __BACKGROUND__
int shader = kernel_data.background.surface_shader;
@@ -241,11 +276,17 @@ ccl_device_noinline float3 indirect_background(KernelGlobals *kg, PathState *sta
return make_float3(0.0f, 0.0f, 0.0f);
}
+#ifdef __SPLIT_KERNEL__
/* evaluate background closure */
+ Ray priv_ray = *ray;
+ shader_setup_from_background(kg, sd_global, &priv_ray, state->bounce+1, state->transparent_bounce);
+ float3 L = shader_eval_background(kg, sd_global, state->flag, SHADER_CONTEXT_EMISSION);
+#else
ShaderData sd;
shader_setup_from_background(kg, &sd, ray, state->bounce+1, state->transparent_bounce);
float3 L = shader_eval_background(kg, &sd, state->flag, SHADER_CONTEXT_EMISSION);
+#endif
#ifdef __BACKGROUND_MIS__
/* check if background light exists or if we should skip pdf */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-09 09:47:40 +0300