diff options
Diffstat (limited to 'intern/cycles/kernel/osl/osl_closures.h')
| -rw-r--r-- | intern/cycles/kernel/osl/osl_closures.h | 177 |
1 files changed, 113 insertions, 64 deletions
diff --git a/intern/cycles/kernel/osl/osl_closures.h b/intern/cycles/kernel/osl/osl_closures.h index a69af45672d..71e9e5ae4fd 100644 --- a/intern/cycles/kernel/osl/osl_closures.h +++ b/intern/cycles/kernel/osl/osl_closures.h @@ -37,78 +37,27 @@ #include <OSL/oslexec.h> #include <OSL/genclosure.h> -CCL_NAMESPACE_BEGIN +#include "kernel_types.h" -enum { - OSL_CLOSURE_BSDF_DIFFUSE_ID, - OSL_CLOSURE_BSDF_OREN_NAYAR_ID, - OSL_CLOSURE_BSDF_TRANSLUCENT_ID, - OSL_CLOSURE_BSDF_REFLECTION_ID, - OSL_CLOSURE_BSDF_REFRACTION_ID, - OSL_CLOSURE_BSDF_TRANSPARENT_ID, - OSL_CLOSURE_BSDF_MICROFACET_GGX_ID, - OSL_CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID, - OSL_CLOSURE_BSDF_MICROFACET_BECKMANN_ID, - OSL_CLOSURE_BSDF_MICROFACET_BECKMANN_REFRACTION_ID, - OSL_CLOSURE_BSDF_WARD_ID, - OSL_CLOSURE_BSDF_PHONG_ID, - OSL_CLOSURE_BSDF_PHONG_RAMP_ID, - OSL_CLOSURE_BSDF_ASHIKHMIN_VELVET_ID, - OSL_CLOSURE_BSDF_WESTIN_BACKSCATTER_ID, - OSL_CLOSURE_BSDF_WESTIN_SHEEN_ID, - OSL_CLOSURE_BSSRDF_CUBIC_ID, - OSL_CLOSURE_EMISSION_ID, - OSL_CLOSURE_DEBUG_ID, - OSL_CLOSURE_BACKGROUND_ID, - OSL_CLOSURE_HOLDOUT_ID, - OSL_CLOSURE_SUBSURFACE_ID -}; +#include "util_types.h" + +CCL_NAMESPACE_BEGIN -OSL::ClosureParam *bsdf_diffuse_params(); -OSL::ClosureParam *bsdf_oren_nayar_params(); -OSL::ClosureParam *bsdf_translucent_params(); -OSL::ClosureParam *bsdf_reflection_params(); -OSL::ClosureParam *bsdf_refraction_params(); -OSL::ClosureParam *bsdf_transparent_params(); -OSL::ClosureParam *bsdf_microfacet_ggx_params(); -OSL::ClosureParam *bsdf_microfacet_ggx_refraction_params(); -OSL::ClosureParam *bsdf_microfacet_beckmann_params(); -OSL::ClosureParam *bsdf_microfacet_beckmann_refraction_params(); -OSL::ClosureParam *bsdf_ward_params(); -OSL::ClosureParam *bsdf_phong_params(); -OSL::ClosureParam *bsdf_phong_ramp_params(); -OSL::ClosureParam *bsdf_ashikhmin_velvet_params(); -OSL::ClosureParam *bsdf_westin_backscatter_params(); -OSL::ClosureParam *bsdf_westin_sheen_params(); -OSL::ClosureParam *closure_bssrdf_cubic_params(); OSL::ClosureParam *closure_emission_params(); -OSL::ClosureParam *closure_debug_params(); OSL::ClosureParam *closure_background_params(); OSL::ClosureParam *closure_holdout_params(); -OSL::ClosureParam *closure_subsurface_params(); - -void bsdf_diffuse_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_oren_nayar_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_translucent_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_reflection_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_refraction_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_transparent_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_microfacet_ggx_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_microfacet_ggx_refraction_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_microfacet_beckmann_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_microfacet_beckmann_refraction_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_ward_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_phong_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_phong_ramp_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_ashikhmin_velvet_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_westin_backscatter_prepare(OSL::RendererServices *, int id, void *data); -void bsdf_westin_sheen_prepare(OSL::RendererServices *, int id, void *data); -void closure_bssrdf_cubic_prepare(OSL::RendererServices *, int id, void *data); +OSL::ClosureParam *closure_ambient_occlusion_params(); +OSL::ClosureParam *closure_bsdf_phong_ramp_params(); + void closure_emission_prepare(OSL::RendererServices *, int id, void *data); -void closure_debug_prepare(OSL::RendererServices *, int id, void *data); void closure_background_prepare(OSL::RendererServices *, int id, void *data); void closure_holdout_prepare(OSL::RendererServices *, int id, void *data); -void closure_subsurface_prepare(OSL::RendererServices *, int id, void *data); +void closure_ambient_occlusion_prepare(OSL::RendererServices *, int id, void *data); +void closure_bsdf_phong_ramp_prepare(OSL::RendererServices *, int id, void *data); + +enum { + AmbientOcclusion = 100 +}; #define CLOSURE_PREPARE(name, classname) \ void name(RendererServices *, int id, void *data) \ @@ -117,6 +66,106 @@ void name(RendererServices *, int id, void *data) \ new (data) classname(); \ } +#define TO_VEC3(v) (*(OSL::Vec3 *)&(v)) +#define TO_COLOR3(v) (*(OSL::Color3 *)&(v)) +#define TO_FLOAT3(v) make_float3(v[0], v[1], v[2]) + +/* BSDF */ + +class CBSDFClosure : public OSL::ClosurePrimitive { +public: + ShaderClosure sc; + OSL::Vec3 N, T; + + CBSDFClosure(int scattering) : OSL::ClosurePrimitive(BSDF), + m_scattering_label(scattering), m_shaderdata_flag(0) { } + ~CBSDFClosure() { } + + int scattering() const { return m_scattering_label; } + int shaderdata_flag() const { return m_shaderdata_flag; } + ClosureType shaderclosure_type() const { return sc.type; } + + virtual void blur(float roughness) = 0; + virtual float3 eval_reflect(const float3 &omega_out, const float3 &omega_in, float &pdf) const = 0; + virtual float3 eval_transmit(const float3 &omega_out, const float3 &omega_in, float &pdf) const = 0; + + virtual int sample(const float3 &Ng, + const float3 &omega_out, const float3 &domega_out_dx, const float3 &domega_out_dy, + float randu, float randv, + float3 &omega_in, float3 &domega_in_dx, float3 &domega_in_dy, + float &pdf, float3 &eval) const = 0; + +protected: + int m_scattering_label; + int m_shaderdata_flag; +}; + +#define BSDF_CLOSURE_CLASS_BEGIN(Upper, lower, svmlower, TYPE) \ +\ +class Upper##Closure : public CBSDFClosure { \ +public: \ + Upper##Closure() : CBSDFClosure(TYPE) {} \ + size_t memsize() const { return sizeof(*this); } \ + const char *name() const { return #lower; } \ +\ + void setup() \ + { \ + sc.N = TO_FLOAT3(N); \ + sc.T = TO_FLOAT3(T); \ + m_shaderdata_flag = bsdf_##lower##_setup(&sc); \ + } \ +\ + bool mergeable(const ClosurePrimitive *other) const \ + { \ + return false; \ + } \ + \ + void blur(float roughness) \ + { \ + bsdf_##svmlower##_blur(&sc, roughness); \ + } \ +\ + void print_on(std::ostream &out) const \ + { \ + out << name() << " ((" << sc.N[0] << ", " << sc.N[1] << ", " << sc.N[2] << "))"; \ + } \ +\ + float3 eval_reflect(const float3 &omega_out, const float3 &omega_in, float& pdf) const \ + { \ + return bsdf_##svmlower##_eval_reflect(&sc, omega_out, omega_in, &pdf); \ + } \ +\ + float3 eval_transmit(const float3 &omega_out, const float3 &omega_in, float& pdf) const \ + { \ + return bsdf_##svmlower##_eval_transmit(&sc, omega_out, omega_in, &pdf); \ + } \ +\ + int sample(const float3 &Ng, \ + const float3 &omega_out, const float3 &domega_out_dx, const float3 &domega_out_dy, \ + float randu, float randv, \ + float3 &omega_in, float3 &domega_in_dx, float3 &domega_in_dy, \ + float &pdf, float3 &eval) const \ + { \ + return bsdf_##svmlower##_sample(&sc, Ng, omega_out, domega_out_dx, domega_out_dy, \ + randu, randv, &eval, &omega_in, &domega_in_dx, &domega_in_dy, &pdf); \ + } \ +}; \ +\ +ClosureParam *bsdf_##lower##_params() \ +{ \ + static ClosureParam params[] = { + +/* parameters */ + +#define BSDF_CLOSURE_CLASS_END(Upper, lower) \ + CLOSURE_STRING_KEYPARAM("label"), \ + CLOSURE_FINISH_PARAM(Upper##Closure) \ + }; \ + return params; \ +} \ +\ +CLOSURE_PREPARE(bsdf_##lower##_prepare, Upper##Closure) + CCL_NAMESPACE_END #endif /* __OSL_CLOSURES_H__ */ |