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Fix #33364: cycles tile rendering artifacts.

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This commit is contained in:
Brecht Van Lommel 2012-11-30 18:55:04 +00:00
parent a2bf2ba7df
commit 75cce01a61
2 changed files with 42 additions and 53 deletions
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92
intern/cycles/kernel/svm/svm_closure.h
View File

@ -50,29 +50,34 @@ __device void svm_node_glass_setup(ShaderData *sd, ShaderClosure *sc, int type,
}
}
__device_inline ShaderClosure *svm_node_closure_get(ShaderData *sd)
__device_inline ShaderClosure *svm_node_closure_get_non_bsdf(ShaderData *sd, ClosureType type, float mix_weight)
{
#ifdef __MULTI_CLOSURE__
ShaderClosure *sc = &sd->closure[sd->num_closure];
if(sd->num_closure < MAX_CLOSURE)
if(sd->num_closure < MAX_CLOSURE) {
sc->weight *= mix_weight;
sc->type = type;
sd->num_closure++;
return sc;
}
return sc;
return NULL;
#else
return &sd->closure;
#endif
}
__device_inline ShaderClosure *svm_node_closure_get_weight(ShaderData *sd, float mix_weight)
__device_inline ShaderClosure *svm_node_closure_get_bsdf(ShaderData *sd, float mix_weight)
{
#ifdef __MULTI_CLOSURE__
ShaderClosure *sc = &sd->closure[sd->num_closure];
float3 weight = sc->weight * mix_weight;
float sample_weight = fabsf(average(sc->weight));
sc->weight *= mix_weight;
sc->sample_weight = fabsf(average(sc->weight));
if(sc->sample_weight > 1e-5f && sd->num_closure < MAX_CLOSURE) {
if(sample_weight > 1e-5f && sd->num_closure < MAX_CLOSURE) {
sc->weight = weight;
sc->sample_weight = sample_weight;
sd->num_closure++;
return sc;
}
@ -112,7 +117,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
switch(type) {
case CLOSURE_BSDF_DIFFUSE_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -130,7 +135,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
break;
}
case CLOSURE_BSDF_TRANSLUCENT_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -139,7 +144,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
break;
}
case CLOSURE_BSDF_TRANSPARENT_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -154,7 +159,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
if(kernel_data.integrator.no_caustics && (path_flag & PATH_RAY_DIFFUSE))
break;
#endif
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -178,7 +183,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
if(kernel_data.integrator.no_caustics && (path_flag & PATH_RAY_DIFFUSE))
break;
#endif
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -220,7 +225,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
float3 weight = sc->weight;
float sample_weight = sc->sample_weight;
sc = svm_node_closure_get_weight(sd, mix_weight*fresnel);
sc = svm_node_closure_get_bsdf(sd, mix_weight*fresnel);
if(sc) {
sc->N = N;
@ -232,14 +237,14 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
sc->weight = weight;
sc->sample_weight = sample_weight;
sc = svm_node_closure_get_weight(sd, mix_weight*(1.0f - fresnel));
sc = svm_node_closure_get_bsdf(sd, mix_weight*(1.0f - fresnel));
if(sc) {
sc->N = N;
svm_node_glass_setup(sd, sc, type, eta, roughness, true);
}
#else
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -255,7 +260,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
if(kernel_data.integrator.no_caustics && (path_flag & PATH_RAY_DIFFUSE))
break;
#endif
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -290,7 +295,7 @@ __device void svm_node_closure_bsdf(KernelGlobals *kg, ShaderData *sd, float *st
break;
}
case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
sc->N = N;
@ -327,7 +332,7 @@ __device void svm_node_closure_volume(KernelGlobals *kg, ShaderData *sd, float *
switch(type) {
case CLOSURE_VOLUME_TRANSPARENT_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
float density = param1;
@ -336,7 +341,7 @@ __device void svm_node_closure_volume(KernelGlobals *kg, ShaderData *sd, float *
break;
}
case CLOSURE_VOLUME_ISOTROPIC_ID: {
ShaderClosure *sc = svm_node_closure_get_weight(sd, mix_weight);
ShaderClosure *sc = svm_node_closure_get_bsdf(sd, mix_weight);
if(sc) {
float density = param1;
@ -360,15 +365,10 @@ __device void svm_node_closure_emission(ShaderData *sd, float *stack, uint4 node
if(mix_weight == 0.0f)
return;
ShaderClosure *sc = svm_node_closure_get(sd);
sc->weight *= mix_weight;
sc->type = CLOSURE_EMISSION_ID;
svm_node_closure_get_non_bsdf(sd, CLOSURE_EMISSION_ID, mix_weight);
}
else {
ShaderClosure *sc = svm_node_closure_get(sd);
sc->type = CLOSURE_EMISSION_ID;
}
else
svm_node_closure_get_non_bsdf(sd, CLOSURE_EMISSION_ID, 1.0f);
#else
ShaderClosure *sc = &sd->closure;
sc->type = CLOSURE_EMISSION_ID;
@ -388,15 +388,10 @@ __device void svm_node_closure_background(ShaderData *sd, float *stack, uint4 no
if(mix_weight == 0.0f)
return;
ShaderClosure *sc = svm_node_closure_get(sd);
sc->weight *= mix_weight;
sc->type = CLOSURE_BACKGROUND_ID;
svm_node_closure_get_non_bsdf(sd, CLOSURE_BACKGROUND_ID, mix_weight);
}
else {
ShaderClosure *sc = svm_node_closure_get(sd);
sc->type = CLOSURE_BACKGROUND_ID;
}
else
svm_node_closure_get_non_bsdf(sd, CLOSURE_BACKGROUND_ID, 1.0f);
#else
ShaderClosure *sc = &sd->closure;
sc->type = CLOSURE_BACKGROUND_ID;
@ -414,15 +409,10 @@ __device void svm_node_closure_holdout(ShaderData *sd, float *stack, uint4 node)
if(mix_weight == 0.0f)
return;
ShaderClosure *sc = svm_node_closure_get(sd);
sc->weight = make_float3(mix_weight, mix_weight, mix_weight);
sc->type = CLOSURE_HOLDOUT_ID;
}
else {
ShaderClosure *sc = svm_node_closure_get(sd);
sc->weight = make_float3(1.0f, 1.0f, 1.0f);
sc->type = CLOSURE_HOLDOUT_ID;
svm_node_closure_get_non_bsdf(sd, CLOSURE_HOLDOUT_ID, mix_weight);
}
else
svm_node_closure_get_non_bsdf(sd, CLOSURE_HOLDOUT_ID, 1.0f);
#else
ShaderClosure *sc = &sd->closure;
sc->type = CLOSURE_HOLDOUT_ID;
@ -442,15 +432,10 @@ __device void svm_node_closure_ambient_occlusion(ShaderData *sd, float *stack, u
if(mix_weight == 0.0f)
return;
ShaderClosure *sc = svm_node_closure_get(sd);
sc->weight *= mix_weight;
sc->type = CLOSURE_AMBIENT_OCCLUSION_ID;
svm_node_closure_get_non_bsdf(sd, CLOSURE_AMBIENT_OCCLUSION_ID, mix_weight);
}
else {
ShaderClosure *sc = svm_node_closure_get(sd);
sc->type = CLOSURE_AMBIENT_OCCLUSION_ID;
}
else
svm_node_closure_get_non_bsdf(sd, CLOSURE_AMBIENT_OCCLUSION_ID, 1.0f);
#else
ShaderClosure *sc = &sd->closure;
sc->type = CLOSURE_AMBIENT_OCCLUSION_ID;
@ -464,7 +449,8 @@ __device void svm_node_closure_ambient_occlusion(ShaderData *sd, float *stack, u
__device_inline void svm_node_closure_store_weight(ShaderData *sd, float3 weight)
{
#ifdef __MULTI_CLOSURE__
sd->closure[sd->num_closure].weight = weight;
if(sd->num_closure < MAX_CLOSURE)
sd->closure[sd->num_closure].weight = weight;
#else
sd->closure.weight = weight;
#endif

3
intern/cycles/render/nodes.cpp
View File

@ -1624,6 +1624,9 @@ HoldoutNode::HoldoutNode()
void HoldoutNode::compile(SVMCompiler& compiler)
{
float3 value = make_float3(1.0f, 1.0f, 1.0f);
compiler.add_node(NODE_CLOSURE_SET_WEIGHT, value);
compiler.add_node(NODE_CLOSURE_HOLDOUT, compiler.closure_mix_weight_offset());
}