diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_subsurface.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_subsurface.h | 58 |
1 files changed, 43 insertions, 15 deletions
diff --git a/intern/cycles/kernel/kernel_subsurface.h b/intern/cycles/kernel/kernel_subsurface.h index f75e9337bdb..6475d4b66fd 100644 --- a/intern/cycles/kernel/kernel_subsurface.h +++ b/intern/cycles/kernel/kernel_subsurface.h @@ -140,7 +140,7 @@ ccl_device_inline float3 subsurface_scatter_eval(ShaderData *sd, } /* replace closures with a single diffuse bsdf closure after scatter step */ -ccl_device void subsurface_scatter_setup_diffuse_bsdf(ShaderData *sd, float3 weight, bool hit, float3 N) +ccl_device void subsurface_scatter_setup_diffuse_bsdf(ShaderData *sd, ShaderClosure *sc, float3 weight, bool hit, float3 N) { sd->flag &= ~SD_CLOSURE_FLAGS; sd->randb_closure = 0.0f; @@ -148,15 +148,35 @@ ccl_device void subsurface_scatter_setup_diffuse_bsdf(ShaderData *sd, float3 wei sd->num_closure_extra = 0; if(hit) { - DiffuseBsdf *bsdf = (DiffuseBsdf*)bsdf_alloc(sd, sizeof(DiffuseBsdf), weight); - - if(bsdf) { - bsdf->N = N; - sd->flag |= bsdf_diffuse_setup(bsdf); - - /* replace CLOSURE_BSDF_DIFFUSE_ID with this special ID so render passes - * can recognize it as not being a regular diffuse closure */ - bsdf->type = CLOSURE_BSDF_BSSRDF_ID; + Bssrdf *bssrdf = (Bssrdf *)sc; +#ifdef __PRINCIPLED__ + if(bssrdf->type == CLOSURE_BSSRDF_PRINCIPLED_ID) { + PrincipledDiffuseBsdf *bsdf = (PrincipledDiffuseBsdf*)bsdf_alloc(sd, sizeof(PrincipledDiffuseBsdf), weight); + + if(bsdf) { + bsdf->N = N; + bsdf->roughness = bssrdf->roughness; + sd->flag |= bsdf_principled_diffuse_setup(bsdf); + + /* replace CLOSURE_BSDF_PRINCIPLED_DIFFUSE_ID with this special ID so render passes + * can recognize it as not being a regular Disney principled diffuse closure */ + bsdf->type = CLOSURE_BSDF_BSSRDF_PRINCIPLED_ID; + } + } + else if(CLOSURE_IS_BSDF_BSSRDF(bssrdf->type) || + CLOSURE_IS_BSSRDF(bssrdf->type)) +#endif /* __PRINCIPLED__ */ + { + DiffuseBsdf *bsdf = (DiffuseBsdf*)bsdf_alloc(sd, sizeof(DiffuseBsdf), weight); + + if(bsdf) { + bsdf->N = N; + sd->flag |= bsdf_diffuse_setup(bsdf); + + /* replace CLOSURE_BSDF_DIFFUSE_ID with this special ID so render passes + * can recognize it as not being a regular diffuse closure */ + bsdf->type = CLOSURE_BSDF_BSSRDF_ID; + } } } } @@ -379,6 +399,12 @@ ccl_device_noinline void subsurface_scatter_multi_setup( #else Ray *ray = &ss_isect->ray; #endif + + /* Workaround for AMD GPU OpenCL compiler. Most probably cache bypass issue. */ +#if defined(__SPLIT_KERNEL__) && defined(__KERNEL_OPENCL_AMD__) && defined(__KERNEL_GPU__) + kernel_split_params.dummy_sd_flag = sd->flag; +#endif + /* Setup new shading point. */ shader_setup_from_subsurface(kg, sd, &ss_isect->hits[hit], ray); @@ -388,12 +414,11 @@ ccl_device_noinline void subsurface_scatter_multi_setup( subsurface_color_bump_blur(kg, sd, state, state_flag, &weight, &N); /* Setup diffuse BSDF. */ - subsurface_scatter_setup_diffuse_bsdf(sd, weight, true, N); + subsurface_scatter_setup_diffuse_bsdf(sd, sc, weight, true, N); } -#ifndef __SPLIT_KERNEL__ /* subsurface scattering step, from a point on the surface to another nearby point on the same object */ -ccl_device void subsurface_scatter_step(KernelGlobals *kg, ShaderData *sd, PathState *state, +ccl_device void subsurface_scatter_step(KernelGlobals *kg, ShaderData *sd, ccl_addr_space PathState *state, int state_flag, ShaderClosure *sc, uint *lcg_state, float disk_u, float disk_v, bool all) { float3 eval = make_float3(0.0f, 0.0f, 0.0f); @@ -454,6 +479,10 @@ ccl_device void subsurface_scatter_step(KernelGlobals *kg, ShaderData *sd, PathS if(ss_isect.num_hits > 0) { float3 origP = sd->P; + /* Workaround for AMD GPU OpenCL compiler. Most probably cache bypass issue. */ +#if defined(__SPLIT_KERNEL__) && defined(__KERNEL_OPENCL_AMD__) && defined(__KERNEL_GPU__) + kernel_split_params.dummy_sd_flag = sd->flag; +#endif /* setup new shading point */ shader_setup_from_subsurface(kg, sd, &ss_isect.hits[0], &ray); @@ -479,9 +508,8 @@ ccl_device void subsurface_scatter_step(KernelGlobals *kg, ShaderData *sd, PathS subsurface_color_bump_blur(kg, sd, state, state_flag, &eval, &N); /* setup diffuse bsdf */ - subsurface_scatter_setup_diffuse_bsdf(sd, eval, (ss_isect.num_hits > 0), N); + subsurface_scatter_setup_diffuse_bsdf(sd, sc, eval, (ss_isect.num_hits > 0), N); } -#endif /* ! __SPLIT_KERNEL__ */ CCL_NAMESPACE_END |