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vkgs-sim / third_party /ktx-src /lib /strings.c
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/* -*- tab-width: 4; -*- */
/* vi: set sw=2 ts=4 expandtab: */
/*
* Copyright 2010-2020 The Khronos Group Inc.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @~English
*
* @brief Functions to return a string corresponding to various enumerations.
*
* @author Mark Callow, HI Corporation
*/
#include "ktx.h"
#include "basis_sgd.h"
static const char* const errorStrings[] = {
"Operation succeeded.", /* KTX_SUCCESS */
"File data is inconsistent with KTX spec.", /* KTX_FILE_DATA_ERROR */
"File is a pipe; seek operations not possible.", /* KTX_FILE_ISPIPE */
"File open failed.", /* KTX_FILE_OPEN_FAILED */
"Operation would exceed the max file size.", /* KTX_FILE_OVERFLOW */
"File read error.", /* KTX_FILE_READ_ERROR */
"File seek error.", /* KTX_FILE_SEEK_ERROR */
"File does not have enough data for request.", /* KTX_FILE_UNEXPECTED_EOF */
"File write error.", /* KTX_FILE_WRITE_ERROR */
"GL error occurred.", /* KTX_GL_ERROR */
"Operation not allowed in the current state.", /* KTX_INVALID_OPERATION */
"Invalid parameter value.", /* KTX_INVALID_VALUE */
"Metadata key or loader-required GPU function not found.", /* KTX_NOT_FOUND */
"Out of memory.", /* KTX_OUT_OF_MEMORY */
"Transcoding of block compressed texture failed.",/* KTX_TRANSCODE_FAILED */
"Not a KTX file.", /* KTX_UNKNOWN_FILE_FORMAT */
"Texture type not supported.", /* KTX_UNSUPPORTED_TEXTURE_TYPE */
"Feature not included in in-use library or not yet implemented.", /* KTX_UNSUPPORTED_FEATURE */
"Library dependency (OpenGL or Vulkan) not linked into application.", /* KTX_LIBRARY_NOT_LINKED */
"Decompressed byte count does not match expected byte size", /* KTX_DECOMPRESS_LENGTH_ERROR */
"Checksum mismatch when decompressing" /* KTX_DECOMPRESS_CHECKSUM_ERROR */
};
/* This will cause compilation to fail if number of messages and codes doesn't match */
typedef int errorStrings_SIZE_ASSERT[sizeof(errorStrings) / sizeof(char*) - 1 == KTX_ERROR_MAX_ENUM];
/**
* @~English
* @brief Return a string corresponding to a KTX error code.
*
* @param error the error code for which to return a string
*
* @return pointer to the message string.
*
* @internal Use UTF-8 for translated message strings.
*
* @author Mark Callow
*/
const char* ktxErrorString(KTX_error_code error)
{
if (error < 0 || error > KTX_ERROR_MAX_ENUM)
return "Unrecognized error code";
return errorStrings[error];
}
/**
* @~English
* @brief Return a string corresponding to a transcode format enumeration.
*
* @param format the transcode format for which to return a string.
*
* @return pointer to the message string.
*
* @internal Use UTF-8 for translated message strings.
*
* @author Mark Callow
*/
const char* ktxTranscodeFormatString(ktx_transcode_fmt_e format)
{
switch (format) {
case KTX_TTF_ETC1_RGB: return "ETC1_RGB";
case KTX_TTF_ETC2_RGBA: return "ETC2_RGBA";
case KTX_TTF_BC1_RGB: return "BC1_RGB";
case KTX_TTF_BC3_RGBA: return "BC3_RGBA";
case KTX_TTF_BC4_R: return "BC4_R";
case KTX_TTF_BC5_RG: return "BC5_RG";
case KTX_TTF_BC7_RGBA: return "BC7_RGBA";
case KTX_TTF_PVRTC1_4_RGB: return "PVRTC1_4_RGB";
case KTX_TTF_PVRTC1_4_RGBA: return "PVRTC1_4_RGBA";
case KTX_TTF_ASTC_4x4_RGBA: return "ASTC_4x4_RGBA";
case KTX_TTF_RGBA32: return "RGBA32";
case KTX_TTF_RGB565: return "RGB565";
case KTX_TTF_BGR565: return "BGR565";
case KTX_TTF_RGBA4444: return "RGBA4444";
case KTX_TTF_PVRTC2_4_RGB: return "PVRTC2_4_RGB";
case KTX_TTF_PVRTC2_4_RGBA: return "PVRTC2_4_RGBA";
case KTX_TTF_ETC2_EAC_R11: return "ETC2_EAC_R11";
case KTX_TTF_ETC2_EAC_RG11: return "ETC2_EAC_RG11";
case KTX_TTF_ETC: return "ETC";
case KTX_TTF_BC1_OR_3: return "BC1 or BC3";
default: return "Unrecognized format";
}
}
/**
* @~English
* @brief Return a string corresponding to a supercompressionScheme enumeration.
*
* @param scheme the supercompression scheme for which to return a string.
*
* @return pointer to the message string.
*
* @internal Use UTF-8 for translated message strings.
*
* @author Mark Callow
*/
const char *
ktxSupercompressionSchemeString(ktxSupercmpScheme scheme)
{
switch (scheme) {
case KTX_SS_NONE: return "KTX_SS_NONE";
case KTX_SS_BASIS_LZ: return "KTX_SS_BASIS_LZ";
case KTX_SS_ZSTD: return "KTX_SS_ZSTD";
case KTX_SS_ZLIB: return "KTX_SS_ZLIB";
default:
if (scheme < KTX_SS_BEGIN_VENDOR_RANGE
|| scheme >= KTX_SS_BEGIN_RESERVED)
return "Invalid scheme value";
else
return "Vendor or reserved scheme";
}
}
/**
* @~English
* @brief Return a string corresponding to a bu_image_flags bit.
*
* @param bit_index the bu_image_flag bit to test.
* @param bit_value the bu_image_flag bit value.
*
* @return pointer to the message string or NULL otherwise.
*
* @internal Use UTF-8 for translated message strings.
*/
const char* ktxBUImageFlagsBitString(ktx_uint32_t bit_index, bool bit_value)
{
if (!bit_value)
return NULL;
switch (1u << bit_index) {
case ETC1S_P_FRAME: return "ETC1S_P_FRAME";
default: return NULL;
}
}