void PassOptix::optixInit() { glGetError(); // Can these be removed due to texture count? o_TexLib.addTexture(1); o_Context["tex0"]->set(o_TexLib.getTexture(1)); std::set<std::string> *materialNames = new std::set<std::string>; std::vector<std::string>::iterator scenesIter; scenesIter = m_SceneVector.begin(); for ( ; scenesIter != m_SceneVector.end(); ++scenesIter) { IScene *aScene = RENDERMANAGER->getScene (*scenesIter); aScene->compile(); // Adding Materials to optix lib aScene->getMaterialNames(materialNames); std::set<std::string>::iterator matIter; matIter = materialNames->begin(); for( ; matIter != materialNames->end(); ++matIter) { o_MatLib.addMaterial(m_MaterialMap[*matIter]); } materialNames->clear(); std::vector<SceneObject *> objs = aScene->getAllObjects(); std::vector<nau::scene::SceneObject*>::iterator objsIter; objsIter = objs.begin(); for ( ; objsIter != objs.end(); ++objsIter) { o_GeomLib.addSceneObject(*objsIter, m_MaterialMap); // o_GeomLib.addSceneObject((*objsIter)->getId(), m_MaterialMap); } } o_GeomLib.buildGeometryGroup(); o_Context["top_object"]->set(o_GeomLib.getGeometryGroup()); o_MatLib.applyMissPrograms(); std::map<std::string, std::string>::iterator iter; iter = o_InputBuffers.begin(); for ( ; iter != o_InputBuffers.end(); ++iter) { try { unsigned int id = RESOURCEMANAGER->getTexture(iter->second)->getPropi(ITexture::ID); if (RESOURCEMANAGER->getTexture(iter->second)->getPrope(ITexture::DIMENSION) == GL_TEXTURE_2D) { optix::TextureSampler rtWorldSpaceTexture = o_Context->createTextureSamplerFromGLImage(id, RT_TARGET_GL_TEXTURE_2D); rtWorldSpaceTexture->setWrapMode(0, RT_WRAP_CLAMP_TO_EDGE); rtWorldSpaceTexture->setWrapMode(1, RT_WRAP_CLAMP_TO_EDGE); rtWorldSpaceTexture->setIndexingMode(RT_TEXTURE_INDEX_ARRAY_INDEX); rtWorldSpaceTexture->setReadMode(RT_TEXTURE_READ_ELEMENT_TYPE); rtWorldSpaceTexture->setMaxAnisotropy(1.0f); rtWorldSpaceTexture->setFilteringModes(RT_FILTER_NEAREST, RT_FILTER_NEAREST, RT_FILTER_NONE); o_Context[iter->first]->setTextureSampler(rtWorldSpaceTexture); } } catch(optix::Exception& e) { NAU_THROW("Optix Error: Input Buffer preparation in pass %s [%s]", m_Name.c_str(), e.getErrorString().c_str()); } } std::map<std::string, databuffer>::iterator iter2; iter2 = o_OutputDataBuffer.begin(); ITexture *texID; for ( ; iter2 != o_OutputDataBuffer.end() ; ++iter2) { texID = RESOURCEMANAGER->getTexture(iter2->second.texName); // int format = texID->getPrope(ITexture::FORMAT); int tex = texID->getPropi(ITexture::ID); unsigned int pbo; glGenBuffers(1, &pbo); glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo); // need to allow different types glBufferData(GL_PIXEL_UNPACK_BUFFER, texID->getPropi(ITexture::WIDTH)*texID->getPropi(ITexture::HEIGHT)*texID->getPropi(ITexture::ELEMENT_SIZE), 0, GL_STREAM_READ); glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0); optix::Buffer ob = o_Context->createBufferFromGLBO(RT_BUFFER_OUTPUT, pbo); ob->setSize(texID->getPropi(ITexture::WIDTH), texID->getPropi(ITexture::HEIGHT)); // same here (types) ob->setFormat(getOptixFormat(texID)); o_Context[iter2->first]->setBuffer(ob); o_OutputDataBuffer[iter2->first].pbo = pbo; // } #if (TEST == 2) try { unsigned int id = RESOURCEMANAGER->getTexture("Deferred Render Targets::pos")->getId(); optix::ITextureSampler rtWorldSpaceTexture = o_Context->createTextureSamplerFromGLImage(id, RT_TARGET_GL_TEXTURE_2D); rtWorldSpaceTexture->setWrapMode(0, RT_WRAP_CLAMP_TO_EDGE); rtWorldSpaceTexture->setWrapMode(1, RT_WRAP_CLAMP_TO_EDGE); rtWorldSpaceTexture->setIndexingMode(RT_TEXTURE_INDEX_ARRAY_INDEX); rtWorldSpaceTexture->setReadMode(RT_TEXTURE_READ_ELEMENT_TYPE); rtWorldSpaceTexture->setMaxAnisotropy(1.0f); rtWorldSpaceTexture->setFilteringModes(RT_FILTER_NEAREST, RT_FILTER_NEAREST, RT_FILTER_NONE); o_Context["pos_buffer"]->setTextureSampler(rtWorldSpaceTexture); } catch(optix::Exception& e) { NAU_THROW("Optix Error: Input Buffer preparation in pass %s [%s]", m_Name.c_str(), e.getErrorString().c_str()); } #endif o_OptixIsPrepared = true; }