diff options
Diffstat (limited to 'intern/cycles/kernel/osl/closures.cpp')
-rw-r--r-- | intern/cycles/kernel/osl/closures.cpp | 282 |
1 files changed, 108 insertions, 174 deletions
diff --git a/intern/cycles/kernel/osl/closures.cpp b/intern/cycles/kernel/osl/closures.cpp index d56e0551a91..6800c765345 100644 --- a/intern/cycles/kernel/osl/closures.cpp +++ b/intern/cycles/kernel/osl/closures.cpp @@ -25,13 +25,18 @@ #include "kernel/osl/osl.h" -#include "kernel/osl/closures_setup.h" - #define TO_VEC3(v) OSL::Vec3(v.x, v.y, v.z) #define TO_FLOAT3(v) make_float3(v[0], v[1], v[2]) CCL_NAMESPACE_BEGIN +static_assert(sizeof(OSLClosure) == sizeof(OSL::ClosureColor) && + sizeof(OSLClosureAdd) == sizeof(OSL::ClosureAdd) && + sizeof(OSLClosureMul) == sizeof(OSL::ClosureMul) && + sizeof(OSLClosureComponent) == sizeof(OSL::ClosureComponent)); +static_assert(sizeof(ShaderGlobals) == sizeof(OSL::ShaderGlobals) && + offsetof(ShaderGlobals, Ci) == offsetof(OSL::ShaderGlobals, Ci)); + /* Registration */ #define OSL_CLOSURE_STRUCT_BEGIN(Upper, lower) \ @@ -60,53 +65,18 @@ void OSLRenderServices::register_closures(OSL::ShadingSystem *ss) #include "closures_template.h" } -/* Globals */ +/* Surface & Background */ -static void shaderdata_to_shaderglobals(const KernelGlobalsCPU *kg, - ShaderData *sd, - const void *state, - uint32_t path_flag, - OSLThreadData *tdata) +template<> +void osl_eval_nodes<SHADER_TYPE_SURFACE>(const KernelGlobalsCPU *kg, + const void *state, + ShaderData *sd, + uint32_t path_flag) { - OSL::ShaderGlobals *globals = &tdata->globals; - - const differential3 dP = differential_from_compact(sd->Ng, sd->dP); - const differential3 dI = differential_from_compact(sd->I, sd->dI); - - /* copy from shader data to shader globals */ - globals->P = TO_VEC3(sd->P); - globals->dPdx = TO_VEC3(dP.dx); - globals->dPdy = TO_VEC3(dP.dy); - globals->I = TO_VEC3(sd->I); - globals->dIdx = TO_VEC3(dI.dx); - globals->dIdy = TO_VEC3(dI.dy); - globals->N = TO_VEC3(sd->N); - globals->Ng = TO_VEC3(sd->Ng); - globals->u = sd->u; - globals->dudx = sd->du.dx; - globals->dudy = sd->du.dy; - globals->v = sd->v; - globals->dvdx = sd->dv.dx; - globals->dvdy = sd->dv.dy; - globals->dPdu = TO_VEC3(sd->dPdu); - globals->dPdv = TO_VEC3(sd->dPdv); - globals->surfacearea = 1.0f; - globals->time = sd->time; - - /* booleans */ - globals->raytype = path_flag; - globals->flipHandedness = 0; - globals->backfacing = (sd->flag & SD_BACKFACING); - - /* shader data to be used in services callbacks */ - globals->renderstate = sd; - - /* hacky, we leave it to services to fetch actual object matrix */ - globals->shader2common = sd; - globals->object2common = sd; - - /* must be set to NULL before execute */ - globals->Ci = NULL; + /* setup shader globals from shader data */ + OSLThreadData *tdata = kg->osl_tdata; + shaderdata_to_shaderglobals( + kg, sd, path_flag, reinterpret_cast<ShaderGlobals *>(&tdata->globals)); /* clear trace data */ tdata->tracedata.init = false; @@ -121,53 +91,6 @@ static void shaderdata_to_shaderglobals(const KernelGlobalsCPU *kg, sd->osl_path_state = (const IntegratorStateCPU *)state; sd->osl_shadow_path_state = nullptr; } -} - -static void flatten_closure_tree(const KernelGlobalsCPU *kg, - ShaderData *sd, - uint32_t path_flag, - const OSL::ClosureColor *closure, - float3 weight = make_float3(1.0f, 1.0f, 1.0f)) -{ - /* OSL gives us a closure tree, we flatten it into arrays per - * closure type, for evaluation, sampling, etc later on. */ - - switch (closure->id) { - case OSL::ClosureColor::MUL: { - OSL::ClosureMul *mul = (OSL::ClosureMul *)closure; - flatten_closure_tree(kg, sd, path_flag, mul->closure, TO_FLOAT3(mul->weight) * weight); - break; - } - case OSL::ClosureColor::ADD: { - OSL::ClosureAdd *add = (OSL::ClosureAdd *)closure; - flatten_closure_tree(kg, sd, path_flag, add->closureA, weight); - flatten_closure_tree(kg, sd, path_flag, add->closureB, weight); - break; - } -#define OSL_CLOSURE_STRUCT_BEGIN(Upper, lower) \ - case OSL_CLOSURE_##Upper##_ID: { \ - const OSL::ClosureComponent *comp = reinterpret_cast<const OSL::ClosureComponent *>(closure); \ - weight *= TO_FLOAT3(comp->w); \ - osl_closure_##lower##_setup( \ - kg, sd, path_flag, weight, reinterpret_cast<const Upper##Closure *>(comp + 1)); \ - break; \ - } -#include "closures_template.h" - default: - break; - } -} - -/* Surface */ - -void OSLShader::eval_surface(const KernelGlobalsCPU *kg, - const void *state, - ShaderData *sd, - uint32_t path_flag) -{ - /* setup shader globals from shader data */ - OSLThreadData *tdata = kg->osl_tdata; - shaderdata_to_shaderglobals(kg, sd, state, path_flag, tdata); /* execute shader for this point */ OSL::ShadingSystem *ss = (OSL::ShadingSystem *)kg->osl_ss; @@ -175,101 +98,99 @@ void OSLShader::eval_surface(const KernelGlobalsCPU *kg, OSL::ShadingContext *octx = tdata->context; int shader = sd->shader & SHADER_MASK; - /* automatic bump shader */ - if (kg->osl->bump_state[shader]) { - /* save state */ - const float3 P = sd->P; - const float dP = sd->dP; - const OSL::Vec3 dPdx = globals->dPdx; - const OSL::Vec3 dPdy = globals->dPdy; - - /* set state as if undisplaced */ - if (sd->flag & SD_HAS_DISPLACEMENT) { - float data[9]; - bool found = kg->osl->services->get_attribute(sd, - true, - OSLRenderServices::u_empty, - TypeDesc::TypeVector, - OSLRenderServices::u_geom_undisplaced, - data); - (void)found; - assert(found); - - differential3 tmp_dP; - memcpy(&sd->P, data, sizeof(float) * 3); - memcpy(&tmp_dP.dx, data + 3, sizeof(float) * 3); - memcpy(&tmp_dP.dy, data + 6, sizeof(float) * 3); - - object_position_transform(kg, sd, &sd->P); - object_dir_transform(kg, sd, &tmp_dP.dx); - object_dir_transform(kg, sd, &tmp_dP.dy); - - sd->dP = differential_make_compact(tmp_dP); - - globals->P = TO_VEC3(sd->P); - globals->dPdx = TO_VEC3(tmp_dP.dx); - globals->dPdy = TO_VEC3(tmp_dP.dy); + if (sd->object == OBJECT_NONE && sd->lamp == LAMP_NONE) { + /* background */ + if (kg->osl->background_state) { + ss->execute(octx, *(kg->osl->background_state), *globals); } - - /* execute bump shader */ - ss->execute(octx, *(kg->osl->bump_state[shader]), *globals); - - /* reset state */ - sd->P = P; - sd->dP = dP; - - globals->P = TO_VEC3(P); - globals->dPdx = TO_VEC3(dPdx); - globals->dPdy = TO_VEC3(dPdy); } + else { + /* automatic bump shader */ + if (kg->osl->bump_state[shader]) { + /* save state */ + const float3 P = sd->P; + const float dP = sd->dP; + const OSL::Vec3 dPdx = globals->dPdx; + const OSL::Vec3 dPdy = globals->dPdy; + + /* set state as if undisplaced */ + if (sd->flag & SD_HAS_DISPLACEMENT) { + float data[9]; + bool found = kg->osl->services->get_attribute(sd, + true, + OSLRenderServices::u_empty, + TypeDesc::TypeVector, + OSLRenderServices::u_geom_undisplaced, + data); + (void)found; + assert(found); + + differential3 tmp_dP; + memcpy(&sd->P, data, sizeof(float) * 3); + memcpy(&tmp_dP.dx, data + 3, sizeof(float) * 3); + memcpy(&tmp_dP.dy, data + 6, sizeof(float) * 3); + + object_position_transform(kg, sd, &sd->P); + object_dir_transform(kg, sd, &tmp_dP.dx); + object_dir_transform(kg, sd, &tmp_dP.dy); + + sd->dP = differential_make_compact(tmp_dP); + + globals->P = TO_VEC3(sd->P); + globals->dPdx = TO_VEC3(tmp_dP.dx); + globals->dPdy = TO_VEC3(tmp_dP.dy); + } + + /* execute bump shader */ + ss->execute(octx, *(kg->osl->bump_state[shader]), *globals); + + /* reset state */ + sd->P = P; + sd->dP = dP; + + globals->P = TO_VEC3(P); + globals->dPdx = TO_VEC3(dPdx); + globals->dPdy = TO_VEC3(dPdy); + } - /* surface shader */ - if (kg->osl->surface_state[shader]) { - ss->execute(octx, *(kg->osl->surface_state[shader]), *globals); + /* surface shader */ + if (kg->osl->surface_state[shader]) { + ss->execute(octx, *(kg->osl->surface_state[shader]), *globals); + } } /* flatten closure tree */ if (globals->Ci) { - flatten_closure_tree(kg, sd, path_flag, globals->Ci); + flatten_closure_tree(kg, sd, path_flag, reinterpret_cast<OSLClosure *>(globals->Ci)); } } -/* Background */ +/* Volume */ -void OSLShader::eval_background(const KernelGlobalsCPU *kg, - const void *state, - ShaderData *sd, - uint32_t path_flag) +template<> +void osl_eval_nodes<SHADER_TYPE_VOLUME>(const KernelGlobalsCPU *kg, + const void *state, + ShaderData *sd, + uint32_t path_flag) { /* setup shader globals from shader data */ OSLThreadData *tdata = kg->osl_tdata; - shaderdata_to_shaderglobals(kg, sd, state, path_flag, tdata); + shaderdata_to_shaderglobals( + kg, sd, path_flag, reinterpret_cast<ShaderGlobals *>(&tdata->globals)); - /* execute shader for this point */ - OSL::ShadingSystem *ss = (OSL::ShadingSystem *)kg->osl_ss; - OSL::ShaderGlobals *globals = &tdata->globals; - OSL::ShadingContext *octx = tdata->context; + /* clear trace data */ + tdata->tracedata.init = false; - if (kg->osl->background_state) { - ss->execute(octx, *(kg->osl->background_state), *globals); + /* Used by render-services. */ + sd->osl_globals = kg; + if (path_flag & PATH_RAY_SHADOW) { + sd->osl_path_state = nullptr; + sd->osl_shadow_path_state = (const IntegratorShadowStateCPU *)state; } - - /* return background color immediately */ - if (globals->Ci) { - flatten_closure_tree(kg, sd, path_flag, globals->Ci); + else { + sd->osl_path_state = (const IntegratorStateCPU *)state; + sd->osl_shadow_path_state = nullptr; } -} - -/* Volume */ - -void OSLShader::eval_volume(const KernelGlobalsCPU *kg, - const void *state, - ShaderData *sd, - uint32_t path_flag) -{ - /* setup shader globals from shader data */ - OSLThreadData *tdata = kg->osl_tdata; - shaderdata_to_shaderglobals(kg, sd, state, path_flag, tdata); /* execute shader */ OSL::ShadingSystem *ss = (OSL::ShadingSystem *)kg->osl_ss; @@ -283,17 +204,30 @@ void OSLShader::eval_volume(const KernelGlobalsCPU *kg, /* flatten closure tree */ if (globals->Ci) { - flatten_closure_tree(kg, sd, path_flag, globals->Ci); + flatten_closure_tree(kg, sd, path_flag, reinterpret_cast<OSLClosure *>(globals->Ci)); } } /* Displacement */ -void OSLShader::eval_displacement(const KernelGlobalsCPU *kg, const void *state, ShaderData *sd) +template<> +void osl_eval_nodes<SHADER_TYPE_DISPLACEMENT>(const KernelGlobalsCPU *kg, + const void *state, + ShaderData *sd, + uint32_t path_flag) { /* setup shader globals from shader data */ OSLThreadData *tdata = kg->osl_tdata; - shaderdata_to_shaderglobals(kg, sd, state, 0, tdata); + shaderdata_to_shaderglobals( + kg, sd, path_flag, reinterpret_cast<ShaderGlobals *>(&tdata->globals)); + + /* clear trace data */ + tdata->tracedata.init = false; + + /* Used by render-services. */ + sd->osl_globals = kg; + sd->osl_path_state = (const IntegratorStateCPU *)state; + sd->osl_shadow_path_state = nullptr; /* execute shader */ OSL::ShadingSystem *ss = (OSL::ShadingSystem *)kg->osl_ss; |