Function ktxTexture2_constructCommon

lib/texture2.c:389–406

* @memberof ktxTexture2 @private * @~English * @brief Do the part of ktxTexture2 construction that is common to * new textures and those constructed from a stream. * * @param[in] This pointer to a ktxTexture2-sized block of memory to * initialize. * @param[in] numLevels the number of levels the texture must have. * * @return KTX_SUCCESS on success, othe

 * @exception KTX_OUT_OF_MEMORY Not enough memory for the texture data.
 */
static KTX_error_code
ktxTexture2_constructCommon(ktxTexture2* This, ktx_uint32_t numLevels)
{
    assert(This != NULL);
    ktx_size_t privateSize;

    This->classId = ktxTexture2_c;
    This->vtbl = &ktxTexture2_vtbl;
    This->_protected->_vtbl = ktxTexture2_vtblInt;
    privateSize = sizeof(ktxTexture2_private)
                + sizeof(ktxLevelIndexEntry) * (numLevels - 1);
    This->_private = (ktxTexture2_private*)malloc(privateSize);
    if (This->_private == NULL) {
        return KTX_OUT_OF_MEMORY;
    }
    memset(This->_private, 0, privateSize);
    return KTX_SUCCESS;
}

/*
 * In hindsight this function should have been `#if KTX_FEATURE_WRITE`.