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gl_format.h
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/*
================================================================================================
Description : OpenGL formats/types and properties.
Author : J.M.P. van Waveren
Date : 07/17/2016
Language : C99
Format : Real tabs with the tab size equal to 4 spaces.
Copyright : Copyright (c) 2016 Oculus VR, LLC. All Rights reserved.
LICENSE
=======
Copyright (c) 2016 Oculus VR, LLC.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
DESCRIPTION
===========
This header stores the OpenGL formats/types and two simple routines
to derive the format/type from an internal format. These routines
are useful to verify the data in a KTX container files. The OpenGL
constants are generally useful to convert files like KTX and glTF
to different graphics APIs.
This header stores the OpenGL formats/types that are used as parameters
to the following OpenGL functions:
void glTexImage2D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLint border,
GLenum format, GLenum type, const GLvoid * data );
void glTexImage3D( GLenum target, GLint level, GLint internalFormat,
GLsizei width, GLsizei height, GLsizei depth, GLint border,
GLenum format, GLenum type, const GLvoid * data );
void glCompressedTexImage2D( GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLint border,
GLsizei imageSize, const GLvoid * data );
void glCompressedTexImage3D( GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid * data );
void glTexStorage2D( GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height );
void glTexStorage3D( GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth );
void glVertexAttribPointer( GLuint index, GLint size, GLenum type, GLboolean normalized,
GLsizei stride, const GLvoid * pointer);
IMPLEMENTATION
==============
This file does not include OpenGL / OpenGL ES headers because:
1. Including OpenGL / OpenGL ES headers is platform dependent and
may require a separate installation of an OpenGL SDK.
2. The OpenGL format/type constants are the same between extensions and core.
3. The OpenGL format/type constants are the same between OpenGL and OpenGL ES.
4. The OpenGL constants in this header are also used to derive Vulkan formats
from the OpenGL formats/types stored in files like KTX and glTF. These file
formats may use OpenGL formats/types that are not supported by the OpenGL
implementation on the platform but are supported by the Vulkan implementation.
ENTRY POINTS
============
static inline GLenum glGetFormatFromInternalFormat( const GLenum internalFormat );
static inline GLenum glGetTypeFromInternalFormat( const GLenum internalFormat );
static inline void glGetFormatSize( const GLenum internalFormat, GlFormatSize * pFormatSize );
static inline unsigned int glGetTypeSizeFromType( const GLenum type );
MODIFICATIONS for use in libktx
===============================
2018.3.23 Added glGetTypeSizeFromType. Mark Callow, Edgewise Consulting.
2019.3.09 #if 0 around GL type declarations. Mark Callow, 〃
================================================================================================
*/
#if !defined( GL_FORMAT_H )
#define GL_FORMAT_H
#include <assert.h>
#if defined(_WIN32)
#define NOMINMAX
#ifndef __cplusplus
#undef inline
#define inline __inline
#endif // __cplusplus
#endif
/*
===========================================================================
Avoid warnings or even errors when using strict C99. "Redefinition of
(type) is a C11 feature." All includers in libktx also include ktx.h where
they are also defined.
===========================================================================
*/
#if 0
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLuint;
#endif
#if !defined( GL_INVALID_VALUE )
#define GL_INVALID_VALUE 0x0501
#endif
/*
================================================================================================================================
Format to glTexImage2D and glTexImage3D.
================================================================================================================================
*/
#if !defined( GL_RED )
#define GL_RED 0x1903 // same as GL_RED_EXT
#endif
#if !defined( GL_GREEN )
#define GL_GREEN 0x1904 // deprecated
#endif
#if !defined( GL_BLUE )
#define GL_BLUE 0x1905 // deprecated
#endif
#if !defined( GL_ALPHA )
#define GL_ALPHA 0x1906 // deprecated
#endif
#if !defined( GL_LUMINANCE )
#define GL_LUMINANCE 0x1909 // deprecated
#endif
#if !defined( GL_SLUMINANCE )
#define GL_SLUMINANCE 0x8C46 // deprecated, same as GL_SLUMINANCE_EXT
#endif
#if !defined( GL_LUMINANCE_ALPHA )
#define GL_LUMINANCE_ALPHA 0x190A // deprecated
#endif
#if !defined( GL_SLUMINANCE_ALPHA )
#define GL_SLUMINANCE_ALPHA 0x8C44 // deprecated, same as GL_SLUMINANCE_ALPHA_EXT
#endif
#if !defined( GL_INTENSITY )
#define GL_INTENSITY 0x8049 // deprecated, same as GL_INTENSITY_EXT
#endif
#if !defined( GL_RG )
#define GL_RG 0x8227 // same as GL_RG_EXT
#endif
#if !defined( GL_RGB )
#define GL_RGB 0x1907
#endif
#if !defined( GL_BGR )
#define GL_BGR 0x80E0 // same as GL_BGR_EXT
#endif
#if !defined( GL_RGBA )
#define GL_RGBA 0x1908
#endif
#if !defined( GL_BGRA )
#define GL_BGRA 0x80E1 // same as GL_BGRA_EXT
#endif
#if !defined( GL_RED_INTEGER )
#define GL_RED_INTEGER 0x8D94 // same as GL_RED_INTEGER_EXT
#endif
#if !defined( GL_GREEN_INTEGER )
#define GL_GREEN_INTEGER 0x8D95 // deprecated, same as GL_GREEN_INTEGER_EXT
#endif
#if !defined( GL_BLUE_INTEGER )
#define GL_BLUE_INTEGER 0x8D96 // deprecated, same as GL_BLUE_INTEGER_EXT
#endif
#if !defined( GL_ALPHA_INTEGER )
#define GL_ALPHA_INTEGER 0x8D97 // deprecated, same as GL_ALPHA_INTEGER_EXT
#endif
#if !defined( GL_LUMINANCE_INTEGER )
#define GL_LUMINANCE_INTEGER 0x8D9C // deprecated, same as GL_LUMINANCE_INTEGER_EXT
#endif
#if !defined( GL_LUMINANCE_ALPHA_INTEGER )
#define GL_LUMINANCE_ALPHA_INTEGER 0x8D9D // deprecated, same as GL_LUMINANCE_ALPHA_INTEGER_EXT
#endif
#if !defined( GL_RG_INTEGER )
#define GL_RG_INTEGER 0x8228 // same as GL_RG_INTEGER_EXT
#endif
#if !defined( GL_RGB_INTEGER )
#define GL_RGB_INTEGER 0x8D98 // same as GL_RGB_INTEGER_EXT
#endif
#if !defined( GL_BGR_INTEGER )
#define GL_BGR_INTEGER 0x8D9A // same as GL_BGR_INTEGER_EXT
#endif
#if !defined( GL_RGBA_INTEGER )
#define GL_RGBA_INTEGER 0x8D99 // same as GL_RGBA_INTEGER_EXT
#endif
#if !defined( GL_BGRA_INTEGER )
#define GL_BGRA_INTEGER 0x8D9B // same as GL_BGRA_INTEGER_EXT
#endif
#if !defined( GL_COLOR_INDEX )
#define GL_COLOR_INDEX 0x1900 // deprecated
#endif
#if !defined( GL_STENCIL_INDEX )
#define GL_STENCIL_INDEX 0x1901
#endif
#if !defined( GL_DEPTH_COMPONENT )
#define GL_DEPTH_COMPONENT 0x1902
#endif
#if !defined( GL_DEPTH_STENCIL )
#define GL_DEPTH_STENCIL 0x84F9 // same as GL_DEPTH_STENCIL_NV and GL_DEPTH_STENCIL_EXT and GL_DEPTH_STENCIL_OES
#endif
/*
================================================================================================================================
Type to glTexImage2D, glTexImage3D and glVertexAttribPointer.
================================================================================================================================
*/
#if !defined( GL_BYTE )
#define GL_BYTE 0x1400
#endif
#if !defined( GL_UNSIGNED_BYTE )
#define GL_UNSIGNED_BYTE 0x1401
#endif
#if !defined( GL_SHORT )
#define GL_SHORT 0x1402
#endif
#if !defined( GL_UNSIGNED_SHORT )
#define GL_UNSIGNED_SHORT 0x1403
#endif
#if !defined( GL_INT )
#define GL_INT 0x1404
#endif
#if !defined( GL_UNSIGNED_INT )
#define GL_UNSIGNED_INT 0x1405
#endif
#if !defined( GL_INT64 )
#define GL_INT64 0x140E // same as GL_INT64_NV and GL_INT64_ARB
#endif
#if !defined( GL_UNSIGNED_INT64 )
#define GL_UNSIGNED_INT64 0x140F // same as GL_UNSIGNED_INT64_NV and GL_UNSIGNED_INT64_ARB
#endif
#if !defined( GL_HALF_FLOAT )
#define GL_HALF_FLOAT 0x140B // same as GL_HALF_FLOAT_NV and GL_HALF_FLOAT_ARB
#endif
#if !defined( GL_HALF_FLOAT_OES )
#define GL_HALF_FLOAT_OES 0x8D61 // Note that this different from GL_HALF_FLOAT.
#endif
#if !defined( GL_FLOAT )
#define GL_FLOAT 0x1406
#endif
#if !defined( GL_DOUBLE )
#define GL_DOUBLE 0x140A // same as GL_DOUBLE_EXT
#endif
#if !defined( GL_UNSIGNED_BYTE_3_3_2 )
#define GL_UNSIGNED_BYTE_3_3_2 0x8032 // same as GL_UNSIGNED_BYTE_3_3_2_EXT
#endif
#if !defined( GL_UNSIGNED_BYTE_2_3_3_REV )
#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362 // same as GL_UNSIGNED_BYTE_2_3_3_REV_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_5_6_5 )
#define GL_UNSIGNED_SHORT_5_6_5 0x8363 // same as GL_UNSIGNED_SHORT_5_6_5_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_5_6_5_REV )
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364 // same as GL_UNSIGNED_SHORT_5_6_5_REV_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_4_4_4_4 )
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033 // same as GL_UNSIGNED_SHORT_4_4_4_4_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_4_4_4_4_REV )
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365 // same as GL_UNSIGNED_SHORT_4_4_4_4_REV_IMG and GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_5_5_5_1 )
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034 // same as GL_UNSIGNED_SHORT_5_5_5_1_EXT
#endif
#if !defined( GL_UNSIGNED_SHORT_1_5_5_5_REV )
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366 // same as GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT
#endif
#if !defined( GL_UNSIGNED_INT_8_8_8_8 )
#define GL_UNSIGNED_INT_8_8_8_8 0x8035 // same as GL_UNSIGNED_INT_8_8_8_8_EXT
#endif
#if !defined( GL_UNSIGNED_INT_8_8_8_8_REV )
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367 // same as GL_UNSIGNED_INT_8_8_8_8_REV_EXT
#endif
#if !defined( GL_UNSIGNED_INT_10_10_10_2 )
#define GL_UNSIGNED_INT_10_10_10_2 0x8036 // same as GL_UNSIGNED_INT_10_10_10_2_EXT
#endif
#if !defined( GL_UNSIGNED_INT_2_10_10_10_REV )
#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368 // same as GL_UNSIGNED_INT_2_10_10_10_REV_EXT
#endif
#if !defined( GL_UNSIGNED_INT_10F_11F_11F_REV )
#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B // same as GL_UNSIGNED_INT_10F_11F_11F_REV_EXT
#endif
#if !defined( GL_UNSIGNED_INT_5_9_9_9_REV )
#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E // same as GL_UNSIGNED_INT_5_9_9_9_REV_EXT
#endif
#if !defined( GL_UNSIGNED_INT_24_8 )
#define GL_UNSIGNED_INT_24_8 0x84FA // same as GL_UNSIGNED_INT_24_8_NV and GL_UNSIGNED_INT_24_8_EXT and GL_UNSIGNED_INT_24_8_OES
#endif
#if !defined( GL_FLOAT_32_UNSIGNED_INT_24_8_REV )
#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD // same as GL_FLOAT_32_UNSIGNED_INT_24_8_REV_NV and GL_FLOAT_32_UNSIGNED_INT_24_8_REV_ARB
#endif
/*
================================================================================================================================
Internal format to glTexImage2D, glTexImage3D, glCompressedTexImage2D, glCompressedTexImage3D, glTexStorage2D, glTexStorage3D
================================================================================================================================
*/
//
// 8 bits per component
//
#if !defined( GL_R8 )
#define GL_R8 0x8229 // same as GL_R8_EXT
#endif
#if !defined( GL_RG8 )
#define GL_RG8 0x822B // same as GL_RG8_EXT
#endif
#if !defined( GL_RGB8 )
#define GL_RGB8 0x8051 // same as GL_RGB8_EXT and GL_RGB8_OES
#endif
#if !defined( GL_RGBA8 )
#define GL_RGBA8 0x8058 // same as GL_RGBA8_EXT and GL_RGBA8_OES
#endif
#if !defined( GL_R8_SNORM )
#define GL_R8_SNORM 0x8F94
#endif
#if !defined( GL_RG8_SNORM )
#define GL_RG8_SNORM 0x8F95
#endif
#if !defined( GL_RGB8_SNORM )
#define GL_RGB8_SNORM 0x8F96
#endif
#if !defined( GL_RGBA8_SNORM )
#define GL_RGBA8_SNORM 0x8F97
#endif
#if !defined( GL_R8UI )
#define GL_R8UI 0x8232
#endif
#if !defined( GL_RG8UI )
#define GL_RG8UI 0x8238
#endif
#if !defined( GL_RGB8UI )
#define GL_RGB8UI 0x8D7D // same as GL_RGB8UI_EXT
#endif
#if !defined( GL_RGBA8UI )
#define GL_RGBA8UI 0x8D7C // same as GL_RGBA8UI_EXT
#endif
#if !defined( GL_R8I )
#define GL_R8I 0x8231
#endif
#if !defined( GL_RG8I )
#define GL_RG8I 0x8237
#endif
#if !defined( GL_RGB8I )
#define GL_RGB8I 0x8D8F // same as GL_RGB8I_EXT
#endif
#if !defined( GL_RGBA8I )
#define GL_RGBA8I 0x8D8E // same as GL_RGBA8I_EXT
#endif
#if !defined( GL_SR8 )
#define GL_SR8 0x8FBD // same as GL_SR8_EXT
#endif
#if !defined( GL_SRG8 )
#define GL_SRG8 0x8FBE // same as GL_SRG8_EXT
#endif
#if !defined( GL_SRGB8 )
#define GL_SRGB8 0x8C41 // same as GL_SRGB8_EXT
#endif
#if !defined( GL_SRGB8_ALPHA8 )
#define GL_SRGB8_ALPHA8 0x8C43 // same as GL_SRGB8_ALPHA8_EXT
#endif
//
// 16 bits per component
//
#if !defined( GL_R16 )
#define GL_R16 0x822A // same as GL_R16_EXT
#endif
#if !defined( GL_RG16 )
#define GL_RG16 0x822C // same as GL_RG16_EXT
#endif
#if !defined( GL_RGB16 )
#define GL_RGB16 0x8054 // same as GL_RGB16_EXT
#endif
#if !defined( GL_RGBA16 )
#define GL_RGBA16 0x805B // same as GL_RGBA16_EXT
#endif
#if !defined( GL_R16_SNORM )
#define GL_R16_SNORM 0x8F98 // same as GL_R16_SNORM_EXT
#endif
#if !defined( GL_RG16_SNORM )
#define GL_RG16_SNORM 0x8F99 // same as GL_RG16_SNORM_EXT
#endif
#if !defined( GL_RGB16_SNORM )
#define GL_RGB16_SNORM 0x8F9A // same as GL_RGB16_SNORM_EXT
#endif
#if !defined( GL_RGBA16_SNORM )
#define GL_RGBA16_SNORM 0x8F9B // same as GL_RGBA16_SNORM_EXT
#endif
#if !defined( GL_R16UI )
#define GL_R16UI 0x8234
#endif
#if !defined( GL_RG16UI )
#define GL_RG16UI 0x823A
#endif
#if !defined( GL_RGB16UI )
#define GL_RGB16UI 0x8D77 // same as GL_RGB16UI_EXT
#endif
#if !defined( GL_RGBA16UI )
#define GL_RGBA16UI 0x8D76 // same as GL_RGBA16UI_EXT
#endif
#if !defined( GL_R16I )
#define GL_R16I 0x8233
#endif
#if !defined( GL_RG16I )
#define GL_RG16I 0x8239
#endif
#if !defined( GL_RGB16I )
#define GL_RGB16I 0x8D89 // same as GL_RGB16I_EXT
#endif
#if !defined( GL_RGBA16I )
#define GL_RGBA16I 0x8D88 // same as GL_RGBA16I_EXT
#endif
#if !defined( GL_R16F )
#define GL_R16F 0x822D // same as GL_R16F_EXT
#endif
#if !defined( GL_RG16F )
#define GL_RG16F 0x822F // same as GL_RG16F_EXT
#endif
#if !defined( GL_RGB16F )
#define GL_RGB16F 0x881B // same as GL_RGB16F_EXT and GL_RGB16F_ARB
#endif
#if !defined( GL_RGBA16F )
#define GL_RGBA16F 0x881A // sama as GL_RGBA16F_EXT and GL_RGBA16F_ARB
#endif
//
// 32 bits per component
//
#if !defined( GL_R32UI )
#define GL_R32UI 0x8236
#endif
#if !defined( GL_RG32UI )
#define GL_RG32UI 0x823C
#endif
#if !defined( GL_RGB32UI )
#define GL_RGB32UI 0x8D71 // same as GL_RGB32UI_EXT
#endif
#if !defined( GL_RGBA32UI )
#define GL_RGBA32UI 0x8D70 // same as GL_RGBA32UI_EXT
#endif
#if !defined( GL_R32I )
#define GL_R32I 0x8235
#endif
#if !defined( GL_RG32I )
#define GL_RG32I 0x823B
#endif
#if !defined( GL_RGB32I )
#define GL_RGB32I 0x8D83 // same as GL_RGB32I_EXT
#endif
#if !defined( GL_RGBA32I )
#define GL_RGBA32I 0x8D82 // same as GL_RGBA32I_EXT
#endif
#if !defined( GL_R32F )
#define GL_R32F 0x822E // same as GL_R32F_EXT
#endif
#if !defined( GL_RG32F )
#define GL_RG32F 0x8230 // same as GL_RG32F_EXT
#endif
#if !defined( GL_RGB32F )
#define GL_RGB32F 0x8815 // same as GL_RGB32F_EXT and GL_RGB32F_ARB
#endif
#if !defined( GL_RGBA32F )
#define GL_RGBA32F 0x8814 // same as GL_RGBA32F_EXT and GL_RGBA32F_ARB
#endif
//
// Packed
//
#if !defined( GL_R3_G3_B2 )
#define GL_R3_G3_B2 0x2A10
#endif
#if !defined( GL_RGB4 )
#define GL_RGB4 0x804F // same as GL_RGB4_EXT
#endif
#if !defined( GL_RGB5 )
#define GL_RGB5 0x8050 // same as GL_RGB5_EXT
#endif
#if !defined( GL_RGB565 )
#define GL_RGB565 0x8D62 // same as GL_RGB565_EXT and GL_RGB565_OES
#endif
#if !defined( GL_RGB10 )
#define GL_RGB10 0x8052 // same as GL_RGB10_EXT
#endif
#if !defined( GL_RGB12 )
#define GL_RGB12 0x8053 // same as GL_RGB12_EXT
#endif
#if !defined( GL_RGBA2 )
#define GL_RGBA2 0x8055 // same as GL_RGBA2_EXT
#endif
#if !defined( GL_RGBA4 )
#define GL_RGBA4 0x8056 // same as GL_RGBA4_EXT and GL_RGBA4_OES
#endif
#if !defined( GL_RGBA12 )
#define GL_RGBA12 0x805A // same as GL_RGBA12_EXT
#endif
#if !defined( GL_RGB5_A1 )
#define GL_RGB5_A1 0x8057 // same as GL_RGB5_A1_EXT and GL_RGB5_A1_OES
#endif
#if !defined( GL_RGB10_A2 )
#define GL_RGB10_A2 0x8059 // same as GL_RGB10_A2_EXT
#endif
#if !defined( GL_RGB10_A2UI )
#define GL_RGB10_A2UI 0x906F
#endif
#if !defined( GL_R11F_G11F_B10F )
#define GL_R11F_G11F_B10F 0x8C3A // same as GL_R11F_G11F_B10F_APPLE and GL_R11F_G11F_B10F_EXT
#endif
#if !defined( GL_RGB9_E5 )
#define GL_RGB9_E5 0x8C3D // same as GL_RGB9_E5_APPLE and GL_RGB9_E5_EXT
#endif
//
// Alpha
//
#if !defined( GL_ALPHA4 )
#define GL_ALPHA4 0x803B // deprecated, same as GL_ALPHA4_EXT
#endif
#if !defined( GL_ALPHA8 )
#define GL_ALPHA8 0x803C // deprecated, same as GL_ALPHA8_EXT
#endif
#if !defined( GL_ALPHA8_SNORM )
#define GL_ALPHA8_SNORM 0x9014 // deprecated
#endif
#if !defined( GL_ALPHA8UI_EXT )
#define GL_ALPHA8UI_EXT 0x8D7E // deprecated
#endif
#if !defined( GL_ALPHA8I_EXT )
#define GL_ALPHA8I_EXT 0x8D90 // deprecated
#endif
#if !defined( GL_ALPHA12 )
#define GL_ALPHA12 0x803D // deprecated, same as GL_ALPHA12_EXT
#endif
#if !defined( GL_ALPHA16 )
#define GL_ALPHA16 0x803E // deprecated, same as GL_ALPHA16_EXT
#endif
#if !defined( GL_ALPHA16_SNORM )
#define GL_ALPHA16_SNORM 0x9018 // deprecated
#endif
#if !defined( GL_ALPHA16UI_EXT )
#define GL_ALPHA16UI_EXT 0x8D78 // deprecated
#endif
#if !defined( GL_ALPHA16I_EXT )
#define GL_ALPHA16I_EXT 0x8D8A // deprecated
#endif
#if !defined( GL_ALPHA16F_ARB )
#define GL_ALPHA16F_ARB 0x881C // deprecated, same as GL_ALPHA_FLOAT16_APPLE and GL_ALPHA_FLOAT16_ATI
#endif
#if !defined( GL_ALPHA32UI_EXT )
#define GL_ALPHA32UI_EXT 0x8D72 // deprecated
#endif
#if !defined( GL_ALPHA32I_EXT )
#define GL_ALPHA32I_EXT 0x8D84 // deprecated
#endif
#if !defined( GL_ALPHA32F_ARB )
#define GL_ALPHA32F_ARB 0x8816 // deprecated, same as GL_ALPHA_FLOAT32_APPLE and GL_ALPHA_FLOAT32_ATI
#endif
//
// Luminance
//
#if !defined( GL_LUMINANCE4 )
#define GL_LUMINANCE4 0x803F // deprecated, same as GL_LUMINANCE4_EXT
#endif
#if !defined( GL_LUMINANCE8 )
#define GL_LUMINANCE8 0x8040 // deprecated, same as GL_LUMINANCE8_EXT
#endif
#if !defined( GL_LUMINANCE8_SNORM )
#define GL_LUMINANCE8_SNORM 0x9015 // deprecated
#endif
#if !defined( GL_SLUMINANCE8 )
#define GL_SLUMINANCE8 0x8C47 // deprecated, same as GL_SLUMINANCE8_EXT
#endif
#if !defined( GL_LUMINANCE8UI_EXT )
#define GL_LUMINANCE8UI_EXT 0x8D80 // deprecated
#endif
#if !defined( GL_LUMINANCE8I_EXT )
#define GL_LUMINANCE8I_EXT 0x8D92 // deprecated
#endif
#if !defined( GL_LUMINANCE12 )
#define GL_LUMINANCE12 0x8041 // deprecated, same as GL_LUMINANCE12_EXT
#endif
#if !defined( GL_LUMINANCE16 )
#define GL_LUMINANCE16 0x8042 // deprecated, same as GL_LUMINANCE16_EXT
#endif
#if !defined( GL_LUMINANCE16_SNORM )
#define GL_LUMINANCE16_SNORM 0x9019 // deprecated
#endif
#if !defined( GL_LUMINANCE16UI_EXT )
#define GL_LUMINANCE16UI_EXT 0x8D7A // deprecated
#endif
#if !defined( GL_LUMINANCE16I_EXT )
#define GL_LUMINANCE16I_EXT 0x8D8C // deprecated
#endif
#if !defined( GL_LUMINANCE16F_ARB )
#define GL_LUMINANCE16F_ARB 0x881E // deprecated, same as GL_LUMINANCE_FLOAT16_APPLE and GL_LUMINANCE_FLOAT16_ATI
#endif
#if !defined( GL_LUMINANCE32UI_EXT )
#define GL_LUMINANCE32UI_EXT 0x8D74 // deprecated
#endif
#if !defined( GL_LUMINANCE32I_EXT )
#define GL_LUMINANCE32I_EXT 0x8D86 // deprecated
#endif
#if !defined( GL_LUMINANCE32F_ARB )
#define GL_LUMINANCE32F_ARB 0x8818 // deprecated, same as GL_LUMINANCE_FLOAT32_APPLE and GL_LUMINANCE_FLOAT32_ATI
#endif
//
// Luminance/Alpha
//
#if !defined( GL_LUMINANCE4_ALPHA4 )
#define GL_LUMINANCE4_ALPHA4 0x8043 // deprecated, same as GL_LUMINANCE4_ALPHA4_EXT
#endif
#if !defined( GL_LUMINANCE6_ALPHA2 )
#define GL_LUMINANCE6_ALPHA2 0x8044 // deprecated, same as GL_LUMINANCE6_ALPHA2_EXT
#endif
#if !defined( GL_LUMINANCE8_ALPHA8 )
#define GL_LUMINANCE8_ALPHA8 0x8045 // deprecated, same as GL_LUMINANCE8_ALPHA8_EXT
#endif
#if !defined( GL_LUMINANCE8_ALPHA8_SNORM )
#define GL_LUMINANCE8_ALPHA8_SNORM 0x9016 // deprecated
#endif
#if !defined( GL_SLUMINANCE8_ALPHA8 )
#define GL_SLUMINANCE8_ALPHA8 0x8C45 // deprecated, same as GL_SLUMINANCE8_ALPHA8_EXT
#endif
#if !defined( GL_LUMINANCE_ALPHA8UI_EXT )
#define GL_LUMINANCE_ALPHA8UI_EXT 0x8D81 // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA8I_EXT )
#define GL_LUMINANCE_ALPHA8I_EXT 0x8D93 // deprecated
#endif
#if !defined( GL_LUMINANCE12_ALPHA4 )
#define GL_LUMINANCE12_ALPHA4 0x8046 // deprecated, same as GL_LUMINANCE12_ALPHA4_EXT
#endif
#if !defined( GL_LUMINANCE12_ALPHA12 )
#define GL_LUMINANCE12_ALPHA12 0x8047 // deprecated, same as GL_LUMINANCE12_ALPHA12_EXT
#endif
#if !defined( GL_LUMINANCE16_ALPHA16 )
#define GL_LUMINANCE16_ALPHA16 0x8048 // deprecated, same as GL_LUMINANCE16_ALPHA16_EXT
#endif
#if !defined( GL_LUMINANCE16_ALPHA16_SNORM )
#define GL_LUMINANCE16_ALPHA16_SNORM 0x901A // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA16UI_EXT )
#define GL_LUMINANCE_ALPHA16UI_EXT 0x8D7B // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA16I_EXT )
#define GL_LUMINANCE_ALPHA16I_EXT 0x8D8D // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA16F_ARB )
#define GL_LUMINANCE_ALPHA16F_ARB 0x881F // deprecated, same as GL_LUMINANCE_ALPHA_FLOAT16_APPLE and GL_LUMINANCE_ALPHA_FLOAT16_ATI
#endif
#if !defined( GL_LUMINANCE_ALPHA32UI_EXT )
#define GL_LUMINANCE_ALPHA32UI_EXT 0x8D75 // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA32I_EXT )
#define GL_LUMINANCE_ALPHA32I_EXT 0x8D87 // deprecated
#endif
#if !defined( GL_LUMINANCE_ALPHA32F_ARB )
#define GL_LUMINANCE_ALPHA32F_ARB 0x8819 // deprecated, same as GL_LUMINANCE_ALPHA_FLOAT32_APPLE and GL_LUMINANCE_ALPHA_FLOAT32_ATI
#endif
//
// Intensity
//
#if !defined( GL_INTENSITY4 )
#define GL_INTENSITY4 0x804A // deprecated, same as GL_INTENSITY4_EXT
#endif
#if !defined( GL_INTENSITY8 )
#define GL_INTENSITY8 0x804B // deprecated, same as GL_INTENSITY8_EXT
#endif
#if !defined( GL_INTENSITY8_SNORM )
#define GL_INTENSITY8_SNORM 0x9017 // deprecated
#endif
#if !defined( GL_INTENSITY8UI_EXT )
#define GL_INTENSITY8UI_EXT 0x8D7F // deprecated
#endif
#if !defined( GL_INTENSITY8I_EXT )
#define GL_INTENSITY8I_EXT 0x8D91 // deprecated
#endif
#if !defined( GL_INTENSITY12 )
#define GL_INTENSITY12 0x804C // deprecated, same as GL_INTENSITY12_EXT
#endif
#if !defined( GL_INTENSITY16 )
#define GL_INTENSITY16 0x804D // deprecated, same as GL_INTENSITY16_EXT
#endif
#if !defined( GL_INTENSITY16_SNORM )
#define GL_INTENSITY16_SNORM 0x901B // deprecated
#endif
#if !defined( GL_INTENSITY16UI_EXT )
#define GL_INTENSITY16UI_EXT 0x8D79 // deprecated
#endif
#if !defined( GL_INTENSITY16I_EXT )
#define GL_INTENSITY16I_EXT 0x8D8B // deprecated
#endif
#if !defined( GL_INTENSITY16F_ARB )
#define GL_INTENSITY16F_ARB 0x881D // deprecated, same as GL_INTENSITY_FLOAT16_APPLE and GL_INTENSITY_FLOAT16_ATI
#endif
#if !defined( GL_INTENSITY32UI_EXT )
#define GL_INTENSITY32UI_EXT 0x8D73 // deprecated
#endif
#if !defined( GL_INTENSITY32I_EXT )
#define GL_INTENSITY32I_EXT 0x8D85 // deprecated
#endif
#if !defined( GL_INTENSITY32F_ARB )
#define GL_INTENSITY32F_ARB 0x8817 // deprecated, same as GL_INTENSITY_FLOAT32_APPLE and GL_INTENSITY_FLOAT32_ATI
#endif
//
// Generic compression
//
#if !defined( GL_COMPRESSED_RED )
#define GL_COMPRESSED_RED 0x8225
#endif
#if !defined( GL_COMPRESSED_ALPHA )
#define GL_COMPRESSED_ALPHA 0x84E9 // deprecated, same as GL_COMPRESSED_ALPHA_ARB
#endif
#if !defined( GL_COMPRESSED_LUMINANCE )
#define GL_COMPRESSED_LUMINANCE 0x84EA // deprecated, same as GL_COMPRESSED_LUMINANCE_ARB
#endif
#if !defined( GL_COMPRESSED_SLUMINANCE )
#define GL_COMPRESSED_SLUMINANCE 0x8C4A // deprecated, same as GL_COMPRESSED_SLUMINANCE_EXT
#endif
#if !defined( GL_COMPRESSED_LUMINANCE_ALPHA )
#define GL_COMPRESSED_LUMINANCE_ALPHA 0x84EB // deprecated, same as GL_COMPRESSED_LUMINANCE_ALPHA_ARB
#endif
#if !defined( GL_COMPRESSED_SLUMINANCE_ALPHA )
#define GL_COMPRESSED_SLUMINANCE_ALPHA 0x8C4B // deprecated, same as GL_COMPRESSED_SLUMINANCE_ALPHA_EXT
#endif
#if !defined( GL_COMPRESSED_INTENSITY )
#define GL_COMPRESSED_INTENSITY 0x84EC // deprecated, same as GL_COMPRESSED_INTENSITY_ARB
#endif
#if !defined( GL_COMPRESSED_RG )
#define GL_COMPRESSED_RG 0x8226
#endif
#if !defined( GL_COMPRESSED_RGB )
#define GL_COMPRESSED_RGB 0x84ED // same as GL_COMPRESSED_RGB_ARB
#endif
#if !defined( GL_COMPRESSED_RGBA )
#define GL_COMPRESSED_RGBA 0x84EE // same as GL_COMPRESSED_RGBA_ARB
#endif
#if !defined( GL_COMPRESSED_SRGB )
#define GL_COMPRESSED_SRGB 0x8C48 // same as GL_COMPRESSED_SRGB_EXT
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA )
#define GL_COMPRESSED_SRGB_ALPHA 0x8C49 // same as GL_COMPRESSED_SRGB_ALPHA_EXT
#endif
//
// FXT1
//
#if !defined( GL_COMPRESSED_RGB_FXT1_3DFX )
#define GL_COMPRESSED_RGB_FXT1_3DFX 0x86B0 // deprecated
#endif
#if !defined( GL_COMPRESSED_RGBA_FXT1_3DFX )
#define GL_COMPRESSED_RGBA_FXT1_3DFX 0x86B1 // deprecated
#endif
//
// S3TC/DXT/BC
//
#if !defined( GL_COMPRESSED_RGB_S3TC_DXT1_EXT )
#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#endif
#if !defined( GL_COMPRESSED_RGBA_S3TC_DXT1_EXT )
#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#endif
#if !defined( GL_COMPRESSED_RGBA_S3TC_DXT3_EXT )
#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#endif
#if !defined( GL_COMPRESSED_RGBA_S3TC_DXT5_EXT )
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif
#if !defined( GL_COMPRESSED_SRGB_S3TC_DXT1_EXT )
#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT 0x8C4C
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT )
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT 0x8C4D
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT )
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT 0x8C4E
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT )
#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
#endif
#if !defined( GL_COMPRESSED_LUMINANCE_LATC1_EXT )
#define GL_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#endif
#if !defined( GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT )
#define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#endif
#if !defined( GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT )
#define GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT 0x8C71
#endif
#if !defined( GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT )
#define GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT 0x8C73
#endif
#if !defined( GL_COMPRESSED_RED_RGTC1 )
#define GL_COMPRESSED_RED_RGTC1 0x8DBB // same as GL_COMPRESSED_RED_RGTC1_EXT
#endif
#if !defined( GL_COMPRESSED_RG_RGTC2 )
#define GL_COMPRESSED_RG_RGTC2 0x8DBD // same as GL_COMPRESSED_RG_RGTC2_EXT
#endif
#if !defined( GL_COMPRESSED_SIGNED_RED_RGTC1 )
#define GL_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC // same as GL_COMPRESSED_SIGNED_RED_RGTC1_EXT
#endif
#if !defined( GL_COMPRESSED_SIGNED_RG_RGTC2 )
#define GL_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE // same as GL_COMPRESSED_SIGNED_RG_RGTC2_EXT
#endif
#if !defined( GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT )
#define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E // same as GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB
#endif
#if !defined( GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT )
#define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F // same as GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB
#endif
#if !defined( GL_COMPRESSED_RGBA_BPTC_UNORM )
#define GL_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C // same as GL_COMPRESSED_RGBA_BPTC_UNORM_ARB
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM )
#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D // same as GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB
#endif
//
// ETC
//
#if !defined( GL_ETC1_RGB8_OES )
#define GL_ETC1_RGB8_OES 0x8D64
#endif
#if !defined( GL_COMPRESSED_RGB8_ETC2 )
#define GL_COMPRESSED_RGB8_ETC2 0x9274
#endif
#if !defined( GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 )
#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#endif
#if !defined( GL_COMPRESSED_RGBA8_ETC2_EAC )
#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#endif
#if !defined( GL_COMPRESSED_SRGB8_ETC2 )
#define GL_COMPRESSED_SRGB8_ETC2 0x9275
#endif
#if !defined( GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 )
#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#endif
#if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC )
#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#endif
#if !defined( GL_COMPRESSED_R11_EAC )
#define GL_COMPRESSED_R11_EAC 0x9270
#endif
#if !defined( GL_COMPRESSED_RG11_EAC )
#define GL_COMPRESSED_RG11_EAC 0x9272
#endif
#if !defined( GL_COMPRESSED_SIGNED_R11_EAC )
#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
#endif
#if !defined( GL_COMPRESSED_SIGNED_RG11_EAC )
#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
#endif
//
// PVRTC
//
#if !defined( GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG )
#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#endif
#if !defined( GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG )
#define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
#define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
#endif
#if !defined( GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT )
#define GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT 0x8A54
#define GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT 0x8A55
#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT 0x8A56
#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT 0x8A57
#endif
#if !defined( GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG )
#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG 0x93F0
#define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG 0x93F1
#endif
//
// ASTC
//
#if !defined( GL_COMPRESSED_RGBA_ASTC_4x4_KHR )
#define GL_COMPRESSED_RGBA_ASTC_4x4_KHR 0x93B0
#define GL_COMPRESSED_RGBA_ASTC_5x4_KHR 0x93B1
#define GL_COMPRESSED_RGBA_ASTC_5x5_KHR 0x93B2
#define GL_COMPRESSED_RGBA_ASTC_6x5_KHR 0x93B3
#define GL_COMPRESSED_RGBA_ASTC_6x6_KHR 0x93B4
#define GL_COMPRESSED_RGBA_ASTC_8x5_KHR 0x93B5
#define GL_COMPRESSED_RGBA_ASTC_8x6_KHR 0x93B6
#define GL_COMPRESSED_RGBA_ASTC_8x8_KHR 0x93B7
#define GL_COMPRESSED_RGBA_ASTC_10x5_KHR 0x93B8
#define GL_COMPRESSED_RGBA_ASTC_10x6_KHR 0x93B9
#define GL_COMPRESSED_RGBA_ASTC_10x8_KHR 0x93BA
#define GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
#define GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
#define GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
#endif
#if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR )
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
#endif
#if !defined( GL_COMPRESSED_RGBA_ASTC_3x3x3_OES )
#define GL_COMPRESSED_RGBA_ASTC_3x3x3_OES 0x93C0
#define GL_COMPRESSED_RGBA_ASTC_4x3x3_OES 0x93C1
#define GL_COMPRESSED_RGBA_ASTC_4x4x3_OES 0x93C2
#define GL_COMPRESSED_RGBA_ASTC_4x4x4_OES 0x93C3
#define GL_COMPRESSED_RGBA_ASTC_5x4x4_OES 0x93C4
#define GL_COMPRESSED_RGBA_ASTC_5x5x4_OES 0x93C5
#define GL_COMPRESSED_RGBA_ASTC_5x5x5_OES 0x93C6
#define GL_COMPRESSED_RGBA_ASTC_6x5x5_OES 0x93C7
#define GL_COMPRESSED_RGBA_ASTC_6x6x5_OES 0x93C8
#define GL_COMPRESSED_RGBA_ASTC_6x6x6_OES 0x93C9
#endif
#if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES )
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES 0x93E0
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES 0x93E1
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES 0x93E2
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES 0x93E3
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES 0x93E4
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES 0x93E5
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES 0x93E6
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES 0x93E7
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES 0x93E8
#define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES 0x93E9
#endif
//