229 lines
7.2 KiB
C
229 lines
7.2 KiB
C
|
/* -*- tab-width: 4; -*- */
|
||
|
|
/* vi: set sw=2 ts=4 expandtab: */
|
||
|
|
|
||
|
|
/* $Id: 94277b50a14992fc9e5a6e011ef5f9cdf28f0d89 $ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2010-2018 The Khronos Group Inc.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Author: Mark Callow from original code by Georg Kolling
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef KTXGL_H
|
||
|
|
#define KTXGL_H
|
||
|
|
|
||
|
|
#ifndef SUPPORT_LEGACY_FORMAT_CONVERSION
|
||
|
|
#if KTX_OPENGL
|
||
|
|
#define SUPPORT_LEGACY_FORMAT_CONVERSION 1
|
||
|
|
#elif KTX_OPENGL_ES1
|
||
|
|
/* ES1, ES2 & ES3 support the legacy formats */
|
||
|
|
#define SUPPORT_LEGACY_FORMAT_CONVERSION 0
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These defines are needed to compile the KTX library. When
|
||
|
|
* these things are not available in the GL header in use at
|
||
|
|
* compile time, the library provides its own support, handles
|
||
|
|
* the expected run-time errors or just needs the token value.
|
||
|
|
*/
|
||
|
|
#ifndef GL_LUMINANCE
|
||
|
|
#define GL_ALPHA 0x1906
|
||
|
|
#define GL_LUMINANCE 0x1909
|
||
|
|
#define GL_LUMINANCE_ALPHA 0x190A
|
||
|
|
#endif
|
||
|
|
#ifndef GL_INTENSITY
|
||
|
|
#define GL_INTENSITY 0x8049
|
||
|
|
#endif
|
||
|
|
#if SUPPORT_LEGACY_FORMAT_CONVERSION
|
||
|
|
/* For loading legacy KTX files. */
|
||
|
|
#ifndef GL_LUMINANCE4
|
||
|
|
#define GL_ALPHA4 0x803B
|
||
|
|
#define GL_ALPHA8 0x803C
|
||
|
|
#define GL_ALPHA12 0x803D
|
||
|
|
#define GL_ALPHA16 0x803E
|
||
|
|
#define GL_LUMINANCE4 0x803F
|
||
|
|
#define GL_LUMINANCE8 0x8040
|
||
|
|
#define GL_LUMINANCE12 0x8041
|
||
|
|
#define GL_LUMINANCE16 0x8042
|
||
|
|
#define GL_LUMINANCE4_ALPHA4 0x8043
|
||
|
|
#define GL_LUMINANCE6_ALPHA2 0x8044
|
||
|
|
#define GL_LUMINANCE8_ALPHA8 0x8045
|
||
|
|
#define GL_LUMINANCE12_ALPHA4 0x8046
|
||
|
|
#define GL_LUMINANCE12_ALPHA12 0x8047
|
||
|
|
#define GL_LUMINANCE16_ALPHA16 0x8048
|
||
|
|
#endif
|
||
|
|
#ifndef GL_INTENSITY4
|
||
|
|
#define GL_INTENSITY4 0x804A
|
||
|
|
#define GL_INTENSITY8 0x804B
|
||
|
|
#define GL_INTENSITY12 0x804C
|
||
|
|
#define GL_INTENSITY16 0x804D
|
||
|
|
#endif
|
||
|
|
#ifndef GL_SLUMINANCE
|
||
|
|
#define GL_SLUMINANCE_ALPHA 0x8C44
|
||
|
|
#define GL_SLUMINANCE8_ALPHA8 0x8C45
|
||
|
|
#define GL_SLUMINANCE 0x8C46
|
||
|
|
#define GL_SLUMINANCE8 0x8C47
|
||
|
|
#endif
|
||
|
|
#endif /* SUPPORT_LEGACY_FORMAT_CONVERSION */
|
||
|
|
#ifndef GL_TEXTURE_1D
|
||
|
|
#define GL_TEXTURE_1D 0x0DE0
|
||
|
|
#endif
|
||
|
|
#ifndef GL_TEXTURE_3D
|
||
|
|
#define GL_TEXTURE_3D 0x806F
|
||
|
|
#endif
|
||
|
|
#ifndef GL_TEXTURE_CUBE_MAP
|
||
|
|
#define GL_TEXTURE_CUBE_MAP 0x8513
|
||
|
|
#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
|
||
|
|
#endif
|
||
|
|
#ifndef GL_TEXTURE_CUBE_MAP_ARRAY
|
||
|
|
#define GL_TEXTURE_CUBE_MAP_ARRAY 0x9009
|
||
|
|
#endif
|
||
|
|
/* from GL_EXT_texture_array */
|
||
|
|
#ifndef GL_TEXTURE_1D_ARRAY_EXT
|
||
|
|
#define GL_TEXTURE_1D_ARRAY_EXT 0x8C18
|
||
|
|
#define GL_TEXTURE_2D_ARRAY_EXT 0x8C1A
|
||
|
|
#endif
|
||
|
|
#ifndef GL_GENERATE_MIPMAP
|
||
|
|
#define GL_GENERATE_MIPMAP 0x8191
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* For writer.c */
|
||
|
|
#if !defined(GL_BGR)
|
||
|
|
#define GL_BGR 0x80E0
|
||
|
|
#define GL_BGRA 0x80E1
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_RED_INTEGER)
|
||
|
|
#define GL_RED_INTEGER 0x8D94
|
||
|
|
#define GL_RGB_INTEGER 0x8D98
|
||
|
|
#define GL_RGBA_INTEGER 0x8D99
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_GREEN_INTEGER)
|
||
|
|
#define GL_GREEN_INTEGER 0x8D95
|
||
|
|
#define GL_BLUE_INTEGER 0x8D96
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_ALPHA_INTEGER)
|
||
|
|
#define GL_ALPHA_INTEGER 0x8D97
|
||
|
|
#endif
|
||
|
|
#if !defined (GL_BGR_INTEGER)
|
||
|
|
#define GL_BGR_INTEGER 0x8D9A
|
||
|
|
#define GL_BGRA_INTEGER 0x8D9B
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_INT)
|
||
|
|
#define GL_INT 0x1404
|
||
|
|
#define GL_UNSIGNED_INT 0x1405
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_HALF_FLOAT)
|
||
|
|
typedef unsigned short GLhalf;
|
||
|
|
#define GL_HALF_FLOAT 0x140B
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_UNSIGNED_BYTE_3_3_2)
|
||
|
|
#define GL_UNSIGNED_BYTE_3_3_2 0x8032
|
||
|
|
#define GL_UNSIGNED_INT_8_8_8_8 0x8035
|
||
|
|
#define GL_UNSIGNED_INT_10_10_10_2 0x8036
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_UNSIGNED_BYTE_2_3_3_REV)
|
||
|
|
#define GL_UNSIGNED_BYTE_2_3_3_REV 0x8362
|
||
|
|
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
|
||
|
|
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
|
||
|
|
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
|
||
|
|
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
|
||
|
|
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
|
||
|
|
#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_UNSIGNED_INT_24_8)
|
||
|
|
#define GL_DEPTH_STENCIL 0x84F9
|
||
|
|
#define GL_UNSIGNED_INT_24_8 0x84FA
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_UNSIGNED_INT_5_9_9_9_REV)
|
||
|
|
#define GL_UNSIGNED_INT_5_9_9_9_REV 0x8C3E
|
||
|
|
#endif
|
||
|
|
#if !defined(GL_UNSIGNED_INT_10F_11F_11F_REV)
|
||
|
|
#define GL_UNSIGNED_INT_10F_11F_11F_REV 0x8C3B
|
||
|
|
#endif
|
||
|
|
#if !defined (GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
|
||
|
|
#define GL_FLOAT_32_UNSIGNED_INT_24_8_REV 0x8DAD
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef GL_ETC1_RGB8_OES
|
||
|
|
#define GL_ETC1_RGB8_OES 0x8D64
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if SUPPORT_SOFTWARE_ETC_UNPACK
|
||
|
|
#ifndef GL_COMPRESSED_R11_EAC
|
||
|
|
#define GL_COMPRESSED_R11_EAC 0x9270
|
||
|
|
#define GL_COMPRESSED_SIGNED_R11_EAC 0x9271
|
||
|
|
#define GL_COMPRESSED_RG11_EAC 0x9272
|
||
|
|
#define GL_COMPRESSED_SIGNED_RG11_EAC 0x9273
|
||
|
|
#define GL_COMPRESSED_RGB8_ETC2 0x9274
|
||
|
|
#define GL_COMPRESSED_SRGB8_ETC2 0x9275
|
||
|
|
#define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
|
||
|
|
#define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
|
||
|
|
#define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
|
||
|
|
#define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
|
||
|
|
#endif
|
||
|
|
#ifndef GL_R16_SNORM
|
||
|
|
#define GL_R16_SNORM 0x8F98
|
||
|
|
#define GL_RG16_SNORM 0x8F99
|
||
|
|
#endif
|
||
|
|
#ifndef GL_RED
|
||
|
|
#define GL_RED 0x1903
|
||
|
|
#define GL_GREEN 0x1904
|
||
|
|
#define GL_BLUE 0x1905
|
||
|
|
#define GL_RG 0x8227
|
||
|
|
#define GL_RG_INTEGER 0x8228
|
||
|
|
#endif
|
||
|
|
#ifndef GL_R16
|
||
|
|
#define GL_R16 0x822A
|
||
|
|
#define GL_RG16 0x822C
|
||
|
|
#endif
|
||
|
|
#ifndef GL_RGB8
|
||
|
|
#define GL_RGB8 0x8051
|
||
|
|
#define GL_RGBA8 0x8058
|
||
|
|
#endif
|
||
|
|
#ifndef GL_SRGB8
|
||
|
|
#define GL_SRGB8 0x8C41
|
||
|
|
#define GL_SRGB8_ALPHA8 0x8C43
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef GL_MAJOR_VERSION
|
||
|
|
#define GL_MAJOR_VERSION 0x821B
|
||
|
|
#define GL_MINOR_VERSION 0x821C
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef GL_CONTEXT_PROFILE_MASK
|
||
|
|
#define GL_CONTEXT_PROFILE_MASK 0x9126
|
||
|
|
#define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001
|
||
|
|
#define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef GL_NUM_EXTENSIONS
|
||
|
|
#define GL_NUM_EXTENSIONS 0x821D
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* KTXGL_H */
|