ELF>€@@ #line 2 "materialdefs_funcs_matte_translucent.cl" /*************************************************************************** * Copyright 1998-2013 by authors (see AUTHORS.txt) * * * * This file is part of LuxRender. * * * * Licensed under the Apache License, Version 2.0 (the "License"); * * you may not use this file except in compliance with the License. * * You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, software * * distributed under the License is distributed on an "AS IS" BASIS, * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* * See the License for the specific language governing permissions and * * limitations under the License. * ***************************************************************************/ //------------------------------------------------------------------------------ // MatteTranslucent material //------------------------------------------------------------------------------ #if defined (PARAM_ENABLE_MAT_MATTETRANSLUCENT) float3 MatteTranslucentMaterial_Evaluate(__global Material *material, __global HitPoint *hitPoint, const float3 lightDir, const float3 eyeDir, BSDFEvent *event, float *directPdfW TEXTURES_PARAM_DECL) { const float3 r = Spectrum_Clamp(Texture_GetSpectrumValue(&texs[material->matteTranslucent.krTexIndex], hitPoint TEXTURES_PARAM)); const float3 t = Spectrum_Clamp(Texture_GetSpectrumValue(&texs[material->matteTranslucent.ktTexIndex], hitPoint TEXTURES_PARAM)) * // Energy conservation (1.f - r); const bool isKtBlack = Spectrum_IsBlack(t); const bool isKrBlack = Spectrum_IsBlack(r); // Decide to transmit or reflect float threshold; if (!isKrBlack) { if (!isKtBlack) threshold = .5f; else threshold = 1.f; } else { if (!isKtBlack) threshold = 0.f; else { if (directPdfW) *directPdfW = 0.f; return BLACK; } } const bool relfected = (CosTheta(lightDir) * CosTheta(eyeDir) > 0.f); const float weight = (lightDir.z * eyeDir.z > 0.f) ? threshold : (1.f - threshold); if (directPdfW) *directPdfW = weight * fabs(lightDir.z * M_1_PI_F); if (lightDir.z * eyeDir.z > 0.f) { *event = DIFFUSE | REFLECT; return r * fabs(lightDir.z * M_1_PI_F); } else { *event = DIFFUSE | TRANSMIT; return t * fabs(lightDir.z * M_1_PI_F); } } float3 MatteTranslucentMaterial_Sample(__global Material *material, __global HitPoint *hitPoint, const float3 fixedDir, float3 *sampledDir, const float u0, const float u1, const float passThroughEvent, float *pdfW, float *cosSampledDir, BSDFEvent *event, const BSDFEvent requestedEvent TEXTURES_PARAM_DECL) { if (!(requestedEvent & (DIFFUSE | REFLECT | TRANSMIT)) || (fabs(fixedDir.z) < DEFAULT_COS_EPSILON_STATIC)) return BLACK; *sampledDir = CosineSampleHemisphereWithPdf(u0, u1, pdfW); *cosSampledDir = fabs((*sampledDir).z); if (*cosSampledDir < DEFAULT_COS_EPSILON_STATIC) return BLACK; const float3 kr = Spectrum_Clamp(Texture_GetSpectrumValue(&texs[material->matteTranslucent.krTexIndex], hitPoint TEXTURES_PARAM)); const float3 kt = Spectrum_Clamp(Texture_GetSpectrumValue(&texs[material->matteTranslucent.ktTexIndex], hitPoint TEXTURES_PARAM)) * // Energy conservation (1.f - kr); const bool isKtBlack = Spectrum_IsBlack(kt); const bool isKrBlack = Spectrum_IsBlack(kr); if (isKtBlack && isKrBlack) return BLACK; // Decide to transmit or reflect float threshold; if ((requestedEvent & REFLECT) && !isKrBlack) { if ((requestedEvent & TRANSMIT) && !isKtBlack) threshold = .5f; else threshold = 1.f; } else { if ((requestedEvent & TRANSMIT) && !isKtBlack) threshold = 0.f; else return BLACK; } if (passThroughEvent < threshold) { *sampledDir *= (signbit(fixedDir.z) ? -1.f : 1.f); *event = DIFFUSE | REFLECT; *pdfW *= threshold; return kr / threshold; } else { *sampledDir *= -(signbit(fixedDir.z) ? -1.f : 1.f); *event = DIFFUSE | TRANSMIT; *pdfW *= (1.f - threshold); return kt / (1.f - threshold); } } #endif SH5HƒìH‹HT$H‰ßèH‹=H‰ÞHèHƒÄ[ÃGCC: (GNU) 4.7.1zRx <AƒK nA.symtab.strtab.shstrtab.text.data.bss.rodata.str1.8.rela.text.startup.rela.ctors.comment.note.GNU-stack.rela.eh_frame@!@'@,2@@`< ;PS NàZ0¨cºxÀ8sø ø‚€È  Hñÿ1<  p u‹ËÞèõmaterialdefs_funcs_matte_translucent_kernel.cpp_GLOBAL__sub_I_materialdefs_funcs_matte_translucent_kernel.cpp.LC0_GLOBAL_OFFSET_TABLE__ZN3slg3ocl49KernelSource_materialdefs_funcs_matte_translucentE_ZNSsC1EPKcRKSaIcE_ZNSsD1Ev__dso_handle__cxa_atexit üÿÿÿÿÿÿÿ üÿÿÿÿÿÿÿüÿÿÿÿÿÿÿ# üÿÿÿÿÿÿÿ-üÿÿÿÿÿÿÿ2üÿÿÿÿÿÿÿ