Function SetNamedConstant

engine/render/src/render/constant.cpp:271–310

}

void SetNamedConstant(HNamedConstantBuffer buffer, dmhash_t name_hash, dmVMath::Vector4* values, uint32_t num_values, dmRenderDDF::MaterialDesc::ConstantType type)
{
    dmHashTable64<NamedConstantBuffer::Constant>& constants = buffer->m_Constants;

    NamedConstantBuffer::Constant* c = constants.Get(name_hash);
    if (c && c->m_NumValues != num_values)
    {
        RemoveNamedConstant(buffer, name_hash);
        c = 0;
    }

    if (c == 0)
    {
        if (constants.Full())
        {
            uint32_t capacity = constants.Capacity() + 8;
            constants.SetCapacity(capacity, capacity * 2);
        }

        if (buffer->m_Values.Remaining() < num_values)
            buffer->m_Values.OffsetCapacity(num_values - buffer->m_Values.Remaining());

        uint32_t values_index = buffer->m_Values.Size();

        buffer->m_Values.SetSize(buffer->m_Values.Size() + num_values);

        NamedConstantBuffer::Constant constant;
        constant.m_NameHash    = name_hash;
        constant.m_NumValues   = num_values;
        constant.m_ValueIndex  = values_index;
        constant.m_Type        = type;
        constants.Put(name_hash, constant);

        // Get the pointer
        c = constants.Get(name_hash);
    }

    dmVMath::Vector4* p = &buffer->m_Values[c->m_ValueIndex];
    memcpy(p, values, sizeof(values[0]) * num_values);
}

void SetNamedConstant(HNamedConstantBuffer buffer, dmhash_t name_hash, dmVMath::Vector4* values, uint32_t num_values)
{