Commit: 375f2bda79e25cfb259d56778270bc82ffe966f6
Author: Thomas Dinges
Date: Thu Jun 16 14:01:48 2016 +0200
Branches: experimental-build
https://developer.blender.org/rB375f2bda79e25cfb259d56778270bc82ffe966f6
Apply D2002 for testing purposes (Cycles Multiscatter GGX)
===================================================================
M intern/cycles/blender/blender_shader.cpp
M intern/cycles/kernel/CMakeLists.txt
M intern/cycles/kernel/closure/bsdf.h
M intern/cycles/kernel/closure/bsdf_util.h
M intern/cycles/kernel/kernel_bake.h
M intern/cycles/kernel/kernel_emission.h
M intern/cycles/kernel/kernel_path.h
M intern/cycles/kernel/kernel_path_branched.h
M intern/cycles/kernel/kernel_shader.h
M intern/cycles/kernel/kernel_shadow.h
M intern/cycles/kernel/kernel_subsurface.h
M intern/cycles/kernel/kernel_types.h
M intern/cycles/kernel/split/kernel_shader_eval.h
M intern/cycles/kernel/svm/svm_closure.h
M intern/cycles/kernel/svm/svm_types.h
M intern/cycles/render/nodes.cpp
M intern/cycles/util/util_math.h
M source/blender/makesdna/DNA_node_types.h
M source/blender/makesrna/intern/rna_nodetree.c
===================================================================
diff --git a/intern/cycles/blender/blender_shader.cpp
b/intern/cycles/blender/blender_shader.cpp
index 78a28b7..fbf7ee6 100644
--- a/intern/cycles/blender/blender_shader.cpp
+++ b/intern/cycles/blender/blender_shader.cpp
@@ -393,6 +393,9 @@ static ShaderNode *add_node(Scene *scene,
case BL::ShaderNodeBsdfAnisotropic::distribution_GGX:
aniso->distribution =
CLOSURE_BSDF_MICROFACET_GGX_ANISO_ID;
break;
+ case
BL::ShaderNodeBsdfAnisotropic::distribution_MULTI_GGX:
+ aniso->distribution =
CLOSURE_BSDF_MICROFACET_MULTI_GGX_ANISO_ID;
+ break;
case
BL::ShaderNodeBsdfAnisotropic::distribution_ASHIKHMIN_SHIRLEY:
aniso->distribution =
CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID;
break;
@@ -439,6 +442,9 @@ static ShaderNode *add_node(Scene *scene,
case
BL::ShaderNodeBsdfGlossy::distribution_ASHIKHMIN_SHIRLEY:
glossy->distribution =
CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID;
break;
+ case BL::ShaderNodeBsdfGlossy::distribution_MULTI_GGX:
+ glossy->distribution =
CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID;
+ break;
}
node = glossy;
}
@@ -455,6 +461,9 @@ static ShaderNode *add_node(Scene *scene,
case BL::ShaderNodeBsdfGlass::distribution_GGX:
glass->distribution =
CLOSURE_BSDF_MICROFACET_GGX_GLASS_ID;
break;
+ case BL::ShaderNodeBsdfGlass::distribution_MULTI_GGX:
+ glass->distribution =
CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID;
+ break;
}
node = glass;
}
@@ -469,6 +478,8 @@ static ShaderNode *add_node(Scene *scene,
refraction->distribution =
CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID;
break;
case BL::ShaderNodeBsdfRefraction::distribution_GGX:
+ /* Multiscattering GGX isn't supported for the
Refraction BSDF. */
+ case
BL::ShaderNodeBsdfRefraction::distribution_MULTI_GGX:
refraction->distribution =
CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID;
break;
}
diff --git a/intern/cycles/kernel/CMakeLists.txt
b/intern/cycles/kernel/CMakeLists.txt
index 61c484d..4f41ee0 100644
--- a/intern/cycles/kernel/CMakeLists.txt
+++ b/intern/cycles/kernel/CMakeLists.txt
@@ -76,6 +76,8 @@ set(SRC_CLOSURE_HEADERS
closure/bsdf_diffuse.h
closure/bsdf_diffuse_ramp.h
closure/bsdf_microfacet.h
+ closure/bsdf_microfacet_multi.h
+ closure/bsdf_microfacet_multi_impl.h
closure/bsdf_oren_nayar.h
closure/bsdf_phong_ramp.h
closure/bsdf_reflection.h
diff --git a/intern/cycles/kernel/closure/bsdf.h
b/intern/cycles/kernel/closure/bsdf.h
index f0add80..f318a61 100644
--- a/intern/cycles/kernel/closure/bsdf.h
+++ b/intern/cycles/kernel/closure/bsdf.h
@@ -20,6 +20,7 @@
#include "../closure/bsdf_phong_ramp.h"
#include "../closure/bsdf_diffuse_ramp.h"
#include "../closure/bsdf_microfacet.h"
+#include "../closure/bsdf_microfacet_multi.h"
#include "../closure/bsdf_reflection.h"
#include "../closure/bsdf_refraction.h"
#include "../closure/bsdf_transparent.h"
@@ -35,7 +36,7 @@
CCL_NAMESPACE_BEGIN
-ccl_device int bsdf_sample(KernelGlobals *kg, const ShaderData *sd, const
ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in,
differential3 *domega_in, float *pdf)
+ccl_device int bsdf_sample(KernelGlobals *kg, ShaderData *sd, const
ShaderClosure *sc, float randu, float randv, float3 *eval, float3 *omega_in,
differential3 *domega_in, float *pdf)
{
int label;
@@ -85,6 +86,14 @@ ccl_device int bsdf_sample(KernelGlobals *kg, const
ShaderData *sd, const Shader
label = bsdf_microfacet_ggx_sample(kg, sc,
ccl_fetch(sd, Ng), ccl_fetch(sd, I), ccl_fetch(sd, dI).dx, ccl_fetch(sd,
dI).dy, randu, randv,
eval, omega_in, &domega_in->dx, &domega_in->dy,
pdf);
break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
+ label = bsdf_microfacet_multi_ggx_sample(kg, sc,
ccl_fetch(sd, Ng), ccl_fetch(sd, I), ccl_fetch(sd, dI).dx, ccl_fetch(sd,
dI).dy, randu, randv,
+ eval, omega_in, &domega_in->dx,
&domega_in->dy, pdf, &ccl_fetch(sd, lcg_state));
+ break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
+ label = bsdf_microfacet_multi_ggx_glass_sample(kg, sc,
ccl_fetch(sd, Ng), ccl_fetch(sd, I), ccl_fetch(sd, dI).dx, ccl_fetch(sd,
dI).dy, randu, randv,
+ eval, omega_in, &domega_in->dx,
&domega_in->dy, pdf, &ccl_fetch(sd, lcg_state));
+ break;
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
@@ -130,7 +139,7 @@ ccl_device int bsdf_sample(KernelGlobals *kg, const
ShaderData *sd, const Shader
return label;
}
-ccl_device float3 bsdf_eval(KernelGlobals *kg, const ShaderData *sd, const
ShaderClosure *sc, const float3 omega_in, float *pdf)
+ccl_device float3 bsdf_eval(KernelGlobals *kg, ShaderData *sd, const
ShaderClosure *sc, const float3 omega_in, float *pdf)
{
float3 eval;
@@ -172,6 +181,12 @@ ccl_device float3 bsdf_eval(KernelGlobals *kg, const
ShaderData *sd, const Shade
case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
eval = bsdf_microfacet_ggx_eval_reflect(sc,
ccl_fetch(sd, I), omega_in, pdf);
break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
+ eval =
bsdf_microfacet_multi_ggx_eval_reflect(sc, ccl_fetch(sd, I), omega_in, pdf,
&ccl_fetch(sd, lcg_state));
+ break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
+ eval =
bsdf_microfacet_multi_ggx_glass_eval_reflect(sc, ccl_fetch(sd, I), omega_in,
pdf, &ccl_fetch(sd, lcg_state));
+ break;
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
@@ -234,6 +249,12 @@ ccl_device float3 bsdf_eval(KernelGlobals *kg, const
ShaderData *sd, const Shade
case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
eval = bsdf_microfacet_ggx_eval_transmit(sc,
ccl_fetch(sd, I), omega_in, pdf);
break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
+ eval =
bsdf_microfacet_multi_ggx_eval_transmit(sc, ccl_fetch(sd, I), omega_in, pdf,
&ccl_fetch(sd, lcg_state));
+ break;
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
+ eval =
bsdf_microfacet_multi_ggx_glass_eval_transmit(sc, ccl_fetch(sd, I), omega_in,
pdf, &ccl_fetch(sd, lcg_state));
+ break;
case CLOSURE_BSDF_MICROFACET_BECKMANN_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_ANISO_ID:
case CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID:
@@ -286,6 +307,10 @@ ccl_device void bsdf_blur(KernelGlobals *kg, ShaderClosure
*sc, float roughness)
#ifdef __SVM__
switch(sc->type) {
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_ID:
+ case CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID:
+ bsdf_microfacet_multi_ggx_blur(sc, roughness);
+ break;
case CLOSURE_BSDF_MICROFACET_GGX_ID:
case CLOSURE_BSDF_MICROFACET_GGX_ANISO_ID:
case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
diff --git a/intern/cycles/kernel/closure/bsdf_util.h
b/intern/cycles/kernel/closure/bsdf_util.h
index 05816ba..89b1998 100644
--- a/intern/cycles/kernel/closure/bsdf_util.h
+++ b/intern/cycles/kernel/closure/bsdf_util.h
@@ -111,10 +111,9 @@ ccl_device float fresnel_dielectric_cos(float cosi, float
eta)
return 1.0f; // TIR(no refracted component)
}
-#if 0
ccl_device float3 fresnel_conductor(float cosi, const float3 eta, const float3
k)
{
- float3 cosi2 = make_float3(cosi*cosi);
+ float3 cosi2 = make_float3(cosi*cosi, cosi*cosi, cosi*cosi);
float3 one = make_float3(1.0f, 1.0f, 1.0f);
float3 tmp_f = eta * eta + k * k;
float3 tmp = tmp_f * cosi2;
@@ -124,7 +123,6 @@ ccl_device float3 fresnel_conductor(float cosi, const
float3 eta, const float3 k
(tmp_f + (2.0f * eta * cosi) + cosi2);
return(Rparl2 + Rperp2) * 0.5f;
}
-#endif
ccl_device float smooth_step(float edge0, float edge1, float x)
{
diff --git a/intern/cycles/kernel/kernel_bake.h
b/intern/cycles/kernel/kernel_bake.h
index 8d05bef..9ee0b09 100644
--- a/intern/cycles/kernel/kernel_bake.h
+++ b/intern/cycles/kernel/kernel_bake.h
@@ -48,7 +48,7 @@ ccl_device void compute_light_pass(KernelGlobals *kg,
ShaderData *sd, PathRadian
/* evaluate surface shader */
float rbsdf = path_state_rng_1D(kg, &rng, &state, PRNG_BSDF);
- shader_eval_surface(kg, sd, &state, rbsdf, state.flag,
SHADER_CONTEXT_MAIN);
+ shader_eval_surface(kg, sd, &rng, &state, rbsdf, state.flag,
SHADER_CONTEXT_MAIN);
/* TODO, disable the closures we won't need */
@@ -220,6 +220,7 @@ ccl_device_inline float3
kernel_bake_shader_bsdf(KernelGlobals *kg,
ccl_device float3 kernel_bake_evaluate_direct_indirect(KernelGlobals *kg,
ShaderData *sd,
+ RNG *rng,
PathState *state,
float3 direct,
float3 indirect,
@@ -239,12 +240,12 @@ ccl_device float3
kernel_bake_evaluate_direct_indirect(KernelGlobals *kg,
}
else {
/* surface color of the pass only */
- shader_eval_surface(kg, sd, state, 0.0f, 0,
SHADER_CONTEXT_MAIN);
+ shader_eval_surface(kg, sd, rng, state, 0.0f, 0,
SHADER_CONTEXT_MAIN);
return kernel_bake_shader_bsdf(kg, sd, type);
}
}
else {
- shader_eval_surface(kg, sd, state, 0.0f, 0,
SHADER_CONTEXT_MAIN);
+ shader_eval_surface(kg, sd, rng, state, 0.0f, 0,
SHADER_CONTEXT_MAIN);
color = kernel_bake_shader_bsdf(kg, sd, type);
}
@@ -336,7 +337,7 @@ ccl_device void kernel_bake_evaluate(KernelGlobals *kg,
ccl_global uint4 *input,
case SHADER_EVAL_NORMAL:
{
if((sd.flag & SD_HAS_BUMP)) {
- shader_eval_surface(kg, &sd, &state, 0.f, 0,
SHADER_CONTEXT_MAIN);
+ shader_eval_surface(kg, &sd, &rng, &state, 0.f,
0, SHADER_CONTEXT_MAIN);
}
/* compression: normal = (2 * color) - 1 */
@@ -350,7 +351,7 @@ ccl_device void kernel_bake_evaluate(KernelGlobals *kg,
ccl_global uint4 *input,
}
case SHADER_EVAL_EMISSION:
{
- shader_eval_surface(kg, &sd, &state, 0.f, 0,
SHADER_CONTEXT_EMISSION);
+ shader_eval_surface(kg, &sd, &rng, &state, 0.f, 0,
SHADER_CONTEXT_EMISSION);
out = shader_emissive_eval(kg, &sd);
break;
}
@@ -403,6 +404,7 @@ ccl_device void kernel_bake_evaluate(KernelGlobals *kg,
ccl_global uint4 *input,
{
out = kernel_bake_
@@ Diff output truncated at 10240 characters. @@
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