bool OSLRenderServices::texture3d(ustring filename, TextureOpt &options, OSL::ShaderGlobals *sg, const OSL::Vec3 &P, const OSL::Vec3 &dPdx, const OSL::Vec3 &dPdy, const OSL::Vec3 &dPdz, float *result) { OSL::TextureSystem *ts = osl_ts; ShaderData *sd = (ShaderData *)(sg->renderstate); KernelGlobals *kg = sd->osl_globals; OSLThreadData *tdata = kg->osl_tdata; OIIO::TextureSystem::Perthread *thread_info = tdata->oiio_thread_info; OIIO::TextureSystem::TextureHandle *th = ts->get_texture_handle(filename, thread_info); bool status = ts->texture3d(th, thread_info, options, P, dPdx, dPdy, dPdz, result); if(!status) { if(options.nchannels == 3 || options.nchannels == 4) { result[0] = 1.0f; result[1] = 0.0f; result[2] = 1.0f; if(options.nchannels == 4) result[3] = 1.0f; } } return status; }
bool OSLRenderServices::texture3d(ustring filename, TextureOpt &options, OSL::ShaderGlobals *sg, const OSL::Vec3 &P, const OSL::Vec3 &dPdx, const OSL::Vec3 &dPdy, const OSL::Vec3 &dPdz, float *result) { OSL::TextureSystem *ts = kernel_globals->osl->ts; bool status = ts->texture3d(filename, options, P, dPdx, dPdy, dPdz, result); if(!status) { if(options.nchannels == 3 || options.nchannels == 4) { result[0] = 1.0f; result[1] = 0.0f; result[2] = 1.0f; if(options.nchannels == 4) result[3] = 1.0f; } } return status; }
bool OSLRenderServices::texture3d(ustring filename, TextureHandle *texture_handle, TexturePerthread *texture_thread_info, TextureOpt &options, OSL::ShaderGlobals *sg, const OSL::Vec3 &P, const OSL::Vec3 &dPdx, const OSL::Vec3 &dPdy, const OSL::Vec3 &dPdz, int nchannels, float *result, float *dresultds, float *dresultdt, float *dresultdr, ustring *errormessage) { OSLTextureHandle *handle = (OSLTextureHandle *)texture_handle; OSLTextureHandle::Type texture_type = (handle) ? handle->type : OSLTextureHandle::OIIO; bool status = false; switch (texture_type) { case OSLTextureHandle::SVM: { /* Packed texture. */ ShaderData *sd = (ShaderData *)(sg->renderstate); KernelGlobals *kernel_globals = sd->osl_globals; int slot = handle->svm_slot; float4 rgba = kernel_tex_image_interp_3d( kernel_globals, slot, P.x, P.y, P.z, INTERPOLATION_NONE); result[0] = rgba[0]; if (nchannels > 1) result[1] = rgba[1]; if (nchannels > 2) result[2] = rgba[2]; if (nchannels > 3) result[3] = rgba[3]; status = true; break; } case OSLTextureHandle::OIIO: { /* OpenImageIO texture cache. */ OSL::TextureSystem *ts = texture_system; if (handle && handle->oiio_handle) { if (texture_thread_info == NULL) { ShaderData *sd = (ShaderData *)(sg->renderstate); KernelGlobals *kernel_globals = sd->osl_globals; OSLThreadData *tdata = kernel_globals->osl_tdata; texture_thread_info = tdata->oiio_thread_info; } status = ts->texture3d(handle->oiio_handle, texture_thread_info, options, P, dPdx, dPdy, dPdz, nchannels, result, dresultds, dresultdt, dresultdr); } else { status = ts->texture3d(filename, options, P, dPdx, dPdy, dPdz, nchannels, result, dresultds, dresultdt, dresultdr); } if (!status) { /* This might be slow, but prevents error messages leak and * other nasty stuff happening. */ ts->geterror(); } else if (handle && handle->processor) { ColorSpaceManager::to_scene_linear(handle->processor, result, nchannels); } break; } case OSLTextureHandle::IES: case OSLTextureHandle::AO: case OSLTextureHandle::BEVEL: { status = false; break; } } if (!status) { if (nchannels == 3 || nchannels == 4) { result[0] = 1.0f; result[1] = 0.0f; result[2] = 1.0f; if (nchannels == 4) result[3] = 1.0f; } } return status; }