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C++ Symbol::dataoffset方法代码示例

本文整理汇总了C++中Symbol::dataoffset方法的典型用法代码示例。如果您正苦于以下问题:C++ Symbol::dataoffset方法的具体用法?C++ Symbol::dataoffset怎么用?C++ Symbol::dataoffset使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Symbol的用法示例。


在下文中一共展示了Symbol::dataoffset方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: name

void
OSOReaderToMaster::symbol (SymType symtype, TypeSpec typespec, const char *name_)
{
    ustring name(name_);
    Symbol sym (name, typespec, symtype);
    TypeDesc t = typespec.simpletype();
    int nvals = t.aggregate * (t.is_unsized_array() ? 1 : t.numelements());
    if (sym.symtype() == SymTypeParam || sym.symtype() == SymTypeOutputParam) {
        // Skip structs for now, they're just placeholders
        if (typespec.is_structure()) {
        }
        else if (typespec.simpletype().basetype == TypeDesc::FLOAT) {
            sym.dataoffset ((int) m_master->m_fdefaults.size());
            expand (m_master->m_fdefaults, nvals);
        } else if (typespec.simpletype().basetype == TypeDesc::INT) {
            sym.dataoffset ((int) m_master->m_idefaults.size());
            expand (m_master->m_idefaults, nvals);
        } else if (typespec.simpletype().basetype == TypeDesc::STRING) {
            sym.dataoffset ((int) m_master->m_sdefaults.size());
            expand (m_master->m_sdefaults, nvals);
        } else if (typespec.is_closure_based()) {
            // Closures are pointers, so we allocate a string default taking
            // adventage of their default being NULL as well.
            sym.dataoffset ((int) m_master->m_sdefaults.size());
            expand (m_master->m_sdefaults, nvals);
        } else {
            ASSERT (0 && "unexpected type");
        }
    }
    if (sym.symtype() == SymTypeConst) {
        if (typespec.simpletype().basetype == TypeDesc::FLOAT) {
            sym.dataoffset ((int) m_master->m_fconsts.size());
            expand (m_master->m_fconsts, nvals);
        } else if (typespec.simpletype().basetype == TypeDesc::INT) {
            sym.dataoffset ((int) m_master->m_iconsts.size());
            expand (m_master->m_iconsts, nvals);
        } else if (typespec.simpletype().basetype == TypeDesc::STRING) {
            sym.dataoffset ((int) m_master->m_sconsts.size());
            expand (m_master->m_sconsts, nvals);
        } else {
            ASSERT (0 && "unexpected type");
        }
    }
#if 0
    // FIXME -- global_heap_offset is quite broken.  But also not necessary.
    // We made need to fix this later.
    if (sym.symtype() == SymTypeGlobal) {
        sym.dataoffset (m_shadingsys.global_heap_offset (sym.name()));
    }
#endif
    sym.lockgeom (m_shadingsys.lockgeom_default());
    m_master->m_symbols.push_back (sym);
    m_symmap[name] = int(m_master->m_symbols.size()) - 1;
    // Start the index at which we add specified defaults
    m_sym_default_index = 0;
}
开发者ID:ElaraFX,项目名称:OpenShadingLanguage,代码行数:56,代码来源:loadshader.cpp

示例2: lock

void
ShaderInstance::copy_code_from_master (ShaderGroup &group)
{
    ASSERT (m_instops.empty() && m_instargs.empty());
    // reserve with enough room for a few insertions
    m_instops.reserve (master()->m_ops.size()+10);
    m_instargs.reserve (master()->m_args.size()+10);
    m_instops = master()->m_ops;
    m_instargs = master()->m_args;

    // Copy the symbols from the master
    ASSERT (m_instsymbols.size() == 0 &&
            "should not have copied m_instsymbols yet");
    m_instsymbols = m_master->m_symbols;

    // Copy the instance override data
    // Also set the renderer_output flags where needed.
    ASSERT (m_instoverrides.size() == (size_t)std::max(0,lastparam()));
    ASSERT (m_instsymbols.size() >= (size_t)std::max(0,lastparam()));
    if (m_instoverrides.size()) {
        for (size_t i = 0, e = lastparam();  i < e;  ++i) {
            Symbol *si = &m_instsymbols[i];
            if (m_instoverrides[i].valuesource() == Symbol::DefaultVal) {
                // Fix the length of any default-value variable length array
                // parameters.
                if (si->typespec().is_unsized_array())
                    si->arraylen (si->initializers());
            } else {
                if (m_instoverrides[i].arraylen())
                    si->arraylen (m_instoverrides[i].arraylen());
                si->valuesource (m_instoverrides[i].valuesource());
                si->connected_down (m_instoverrides[i].connected_down());
                si->lockgeom (m_instoverrides[i].lockgeom());
                si->dataoffset (m_instoverrides[i].dataoffset());
                si->data (param_storage(i));
            }
            if (shadingsys().is_renderer_output (layername(), si->name(), &group)) {
                si->renderer_output (true);
                renderer_outputs (true);
            }
        }
    }
    evaluate_writes_globals_and_userdata_params ();
    off_t symmem = vectorbytes(m_instsymbols) - vectorbytes(m_instoverrides);
    SymOverrideInfoVec().swap (m_instoverrides);  // free it

    // adjust stats
    {
        spin_lock lock (shadingsys().m_stat_mutex);
        shadingsys().m_stat_mem_inst_syms += symmem;
        shadingsys().m_stat_mem_inst += symmem;
        shadingsys().m_stat_memory += symmem;
    }
}
开发者ID:imageworks,项目名称:OpenShadingLanguage,代码行数:54,代码来源:instance.cpp


注:本文中的Symbol::dataoffset方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。