/* ================================================================================================ 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 2016 Oculus VR, LLC. SPDX-License-Identifier: Apache-2.0 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. 〃 2019.5.30 Use common ktxFormatSize to return results. 〃 2019.5.30 Return blockSizeInBits 0 for default case of glGetFormatSize. 〃 ================================================================================================ */ #if !defined( GL_FORMAT_H ) #define GL_FORMAT_H #include <assert.h> #include "formatsize.h" #include "vkformat_enum.h" #if defined(_WIN32) && !defined(__MINGW32__) #if !defined(NOMINMAX) #define NOMINMAX #endif // !defined(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 … #endif /* ================================================================================================================================ Format to glTexImage2D and glTexImage3D. ================================================================================================================================ */ #if !defined( GL_RED ) #define GL_RED … #endif #if !defined( GL_GREEN ) #define GL_GREEN … #endif #if !defined( GL_BLUE ) #define GL_BLUE … #endif #if !defined( GL_ALPHA ) #define GL_ALPHA … #endif #if !defined( GL_LUMINANCE ) #define GL_LUMINANCE … #endif #if !defined( GL_SLUMINANCE ) #define GL_SLUMINANCE … #endif #if !defined( GL_LUMINANCE_ALPHA ) #define GL_LUMINANCE_ALPHA … #endif #if !defined( GL_SLUMINANCE_ALPHA ) #define GL_SLUMINANCE_ALPHA … #endif #if !defined( GL_INTENSITY ) #define GL_INTENSITY … #endif #if !defined( GL_RG ) #define GL_RG … #endif #if !defined( GL_RGB ) #define GL_RGB … #endif #if !defined( GL_BGR ) #define GL_BGR … #endif #if !defined( GL_RGBA ) #define GL_RGBA … #endif #if !defined( GL_BGRA ) #define GL_BGRA … #endif #if !defined( GL_RED_INTEGER ) #define GL_RED_INTEGER … #endif #if !defined( GL_GREEN_INTEGER ) #define GL_GREEN_INTEGER … #endif #if !defined( GL_BLUE_INTEGER ) #define GL_BLUE_INTEGER … #endif #if !defined( GL_ALPHA_INTEGER ) #define GL_ALPHA_INTEGER … #endif #if !defined( GL_LUMINANCE_INTEGER ) #define GL_LUMINANCE_INTEGER … #endif #if !defined( GL_LUMINANCE_ALPHA_INTEGER ) #define GL_LUMINANCE_ALPHA_INTEGER … #endif #if !defined( GL_RG_INTEGER ) #define GL_RG_INTEGER … #endif #if !defined( GL_RGB_INTEGER ) #define GL_RGB_INTEGER … #endif #if !defined( GL_BGR_INTEGER ) #define GL_BGR_INTEGER … #endif #if !defined( GL_RGBA_INTEGER ) #define GL_RGBA_INTEGER … #endif #if !defined( GL_BGRA_INTEGER ) #define GL_BGRA_INTEGER … #endif #if !defined( GL_COLOR_INDEX ) #define GL_COLOR_INDEX … #endif #if !defined( GL_STENCIL_INDEX ) #define GL_STENCIL_INDEX … #endif #if !defined( GL_DEPTH_COMPONENT ) #define GL_DEPTH_COMPONENT … #endif #if !defined( GL_DEPTH_STENCIL ) #define GL_DEPTH_STENCIL … #endif /* ================================================================================================================================ Type to glTexImage2D, glTexImage3D and glVertexAttribPointer. ================================================================================================================================ */ #if !defined( GL_BYTE ) #define GL_BYTE … #endif #if !defined( GL_UNSIGNED_BYTE ) #define GL_UNSIGNED_BYTE … #endif #if !defined( GL_SHORT ) #define GL_SHORT … #endif #if !defined( GL_UNSIGNED_SHORT ) #define GL_UNSIGNED_SHORT … #endif #if !defined( GL_INT ) #define GL_INT … #endif #if !defined( GL_UNSIGNED_INT ) #define GL_UNSIGNED_INT … #endif #if !defined( GL_INT64 ) #define GL_INT64 … #endif #if !defined( GL_UNSIGNED_INT64 ) #define GL_UNSIGNED_INT64 … #endif #if !defined( GL_HALF_FLOAT ) #define GL_HALF_FLOAT … #endif #if !defined( GL_HALF_FLOAT_OES ) #define GL_HALF_FLOAT_OES … #endif #if !defined( GL_FLOAT ) #define GL_FLOAT … #endif #if !defined( GL_DOUBLE ) #define GL_DOUBLE … #endif #if !defined( GL_UNSIGNED_BYTE_3_3_2 ) #define GL_UNSIGNED_BYTE_3_3_2 … #endif #if !defined( GL_UNSIGNED_BYTE_2_3_3_REV ) #define GL_UNSIGNED_BYTE_2_3_3_REV … #endif #if !defined( GL_UNSIGNED_SHORT_5_6_5 ) #define GL_UNSIGNED_SHORT_5_6_5 … #endif #if !defined( GL_UNSIGNED_SHORT_5_6_5_REV ) #define GL_UNSIGNED_SHORT_5_6_5_REV … #endif #if !defined( GL_UNSIGNED_SHORT_4_4_4_4 ) #define GL_UNSIGNED_SHORT_4_4_4_4 … #endif #if !defined( GL_UNSIGNED_SHORT_4_4_4_4_REV ) #define GL_UNSIGNED_SHORT_4_4_4_4_REV … #endif #if !defined( GL_UNSIGNED_SHORT_5_5_5_1 ) #define GL_UNSIGNED_SHORT_5_5_5_1 … #endif #if !defined( GL_UNSIGNED_SHORT_1_5_5_5_REV ) #define GL_UNSIGNED_SHORT_1_5_5_5_REV … #endif #if !defined( GL_UNSIGNED_INT_8_8_8_8 ) #define GL_UNSIGNED_INT_8_8_8_8 … #endif #if !defined( GL_UNSIGNED_INT_8_8_8_8_REV ) #define GL_UNSIGNED_INT_8_8_8_8_REV … #endif #if !defined( GL_UNSIGNED_INT_10_10_10_2 ) #define GL_UNSIGNED_INT_10_10_10_2 … #endif #if !defined( GL_UNSIGNED_INT_2_10_10_10_REV ) #define GL_UNSIGNED_INT_2_10_10_10_REV … #endif #if !defined( GL_UNSIGNED_INT_10F_11F_11F_REV ) #define GL_UNSIGNED_INT_10F_11F_11F_REV … #endif #if !defined( GL_UNSIGNED_INT_5_9_9_9_REV ) #define GL_UNSIGNED_INT_5_9_9_9_REV … #endif #if !defined( GL_UNSIGNED_INT_24_8 ) #define GL_UNSIGNED_INT_24_8 … #endif #if !defined( GL_FLOAT_32_UNSIGNED_INT_24_8_REV ) #define GL_FLOAT_32_UNSIGNED_INT_24_8_REV … #endif /* ================================================================================================================================ Internal format to glTexImage2D, glTexImage3D, glCompressedTexImage2D, glCompressedTexImage3D, glTexStorage2D, glTexStorage3D ================================================================================================================================ */ // // 8 bits per component // #if !defined( GL_R8 ) #define GL_R8 … #endif #if !defined( GL_RG8 ) #define GL_RG8 … #endif #if !defined( GL_RGB8 ) #define GL_RGB8 … #endif #if !defined( GL_RGBA8 ) #define GL_RGBA8 … #endif #if !defined( GL_R8_SNORM ) #define GL_R8_SNORM … #endif #if !defined( GL_RG8_SNORM ) #define GL_RG8_SNORM … #endif #if !defined( GL_RGB8_SNORM ) #define GL_RGB8_SNORM … #endif #if !defined( GL_RGBA8_SNORM ) #define GL_RGBA8_SNORM … #endif #if !defined( GL_R8UI ) #define GL_R8UI … #endif #if !defined( GL_RG8UI ) #define GL_RG8UI … #endif #if !defined( GL_RGB8UI ) #define GL_RGB8UI … #endif #if !defined( GL_RGBA8UI ) #define GL_RGBA8UI … #endif #if !defined( GL_R8I ) #define GL_R8I … #endif #if !defined( GL_RG8I ) #define GL_RG8I … #endif #if !defined( GL_RGB8I ) #define GL_RGB8I … #endif #if !defined( GL_RGBA8I ) #define GL_RGBA8I … #endif #if !defined( GL_SR8 ) #define GL_SR8 … #endif #if !defined( GL_SRG8 ) #define GL_SRG8 … #endif #if !defined( GL_SRGB8 ) #define GL_SRGB8 … #endif #if !defined( GL_SRGB8_ALPHA8 ) #define GL_SRGB8_ALPHA8 … #endif // // 16 bits per component // #if !defined( GL_R16 ) #define GL_R16 … #endif #if !defined( GL_RG16 ) #define GL_RG16 … #endif #if !defined( GL_RGB16 ) #define GL_RGB16 … #endif #if !defined( GL_RGBA16 ) #define GL_RGBA16 … #endif #if !defined( GL_R16_SNORM ) #define GL_R16_SNORM … #endif #if !defined( GL_RG16_SNORM ) #define GL_RG16_SNORM … #endif #if !defined( GL_RGB16_SNORM ) #define GL_RGB16_SNORM … #endif #if !defined( GL_RGBA16_SNORM ) #define GL_RGBA16_SNORM … #endif #if !defined( GL_R16UI ) #define GL_R16UI … #endif #if !defined( GL_RG16UI ) #define GL_RG16UI … #endif #if !defined( GL_RGB16UI ) #define GL_RGB16UI … #endif #if !defined( GL_RGBA16UI ) #define GL_RGBA16UI … #endif #if !defined( GL_R16I ) #define GL_R16I … #endif #if !defined( GL_RG16I ) #define GL_RG16I … #endif #if !defined( GL_RGB16I ) #define GL_RGB16I … #endif #if !defined( GL_RGBA16I ) #define GL_RGBA16I … #endif #if !defined( GL_R16F ) #define GL_R16F … #endif #if !defined( GL_RG16F ) #define GL_RG16F … #endif #if !defined( GL_RGB16F ) #define GL_RGB16F … #endif #if !defined( GL_RGBA16F ) #define GL_RGBA16F … #endif // // 32 bits per component // #if !defined( GL_R32UI ) #define GL_R32UI … #endif #if !defined( GL_RG32UI ) #define GL_RG32UI … #endif #if !defined( GL_RGB32UI ) #define GL_RGB32UI … #endif #if !defined( GL_RGBA32UI ) #define GL_RGBA32UI … #endif #if !defined( GL_R32I ) #define GL_R32I … #endif #if !defined( GL_RG32I ) #define GL_RG32I … #endif #if !defined( GL_RGB32I ) #define GL_RGB32I … #endif #if !defined( GL_RGBA32I ) #define GL_RGBA32I … #endif #if !defined( GL_R32F ) #define GL_R32F … #endif #if !defined( GL_RG32F ) #define GL_RG32F … #endif #if !defined( GL_RGB32F ) #define GL_RGB32F … #endif #if !defined( GL_RGBA32F ) #define GL_RGBA32F … #endif // // Packed // #if !defined( GL_R3_G3_B2 ) #define GL_R3_G3_B2 … #endif #if !defined( GL_RGB4 ) #define GL_RGB4 … #endif #if !defined( GL_RGB5 ) #define GL_RGB5 … #endif #if !defined( GL_RGB565 ) #define GL_RGB565 … #endif #if !defined( GL_RGB10 ) #define GL_RGB10 … #endif #if !defined( GL_RGB12 ) #define GL_RGB12 … #endif #if !defined( GL_RGBA2 ) #define GL_RGBA2 … #endif #if !defined( GL_RGBA4 ) #define GL_RGBA4 … #endif #if !defined( GL_RGBA12 ) #define GL_RGBA12 … #endif #if !defined( GL_RGB5_A1 ) #define GL_RGB5_A1 … #endif #if !defined( GL_RGB10_A2 ) #define GL_RGB10_A2 … #endif #if !defined( GL_RGB10_A2UI ) #define GL_RGB10_A2UI … #endif #if !defined( GL_R11F_G11F_B10F ) #define GL_R11F_G11F_B10F … #endif #if !defined( GL_RGB9_E5 ) #define GL_RGB9_E5 … #endif // // Alpha // #if !defined( GL_ALPHA4 ) #define GL_ALPHA4 … #endif #if !defined( GL_ALPHA8 ) #define GL_ALPHA8 … #endif #if !defined( GL_ALPHA8_SNORM ) #define GL_ALPHA8_SNORM … #endif #if !defined( GL_ALPHA8UI_EXT ) #define GL_ALPHA8UI_EXT … #endif #if !defined( GL_ALPHA8I_EXT ) #define GL_ALPHA8I_EXT … #endif #if !defined( GL_ALPHA12 ) #define GL_ALPHA12 … #endif #if !defined( GL_ALPHA16 ) #define GL_ALPHA16 … #endif #if !defined( GL_ALPHA16_SNORM ) #define GL_ALPHA16_SNORM … #endif #if !defined( GL_ALPHA16UI_EXT ) #define GL_ALPHA16UI_EXT … #endif #if !defined( GL_ALPHA16I_EXT ) #define GL_ALPHA16I_EXT … #endif #if !defined( GL_ALPHA16F_ARB ) #define GL_ALPHA16F_ARB … #endif #if !defined( GL_ALPHA32UI_EXT ) #define GL_ALPHA32UI_EXT … #endif #if !defined( GL_ALPHA32I_EXT ) #define GL_ALPHA32I_EXT … #endif #if !defined( GL_ALPHA32F_ARB ) #define GL_ALPHA32F_ARB … #endif // // Luminance // #if !defined( GL_LUMINANCE4 ) #define GL_LUMINANCE4 … #endif #if !defined( GL_LUMINANCE8 ) #define GL_LUMINANCE8 … #endif #if !defined( GL_LUMINANCE8_SNORM ) #define GL_LUMINANCE8_SNORM … #endif #if !defined( GL_SLUMINANCE8 ) #define GL_SLUMINANCE8 … #endif #if !defined( GL_LUMINANCE8UI_EXT ) #define GL_LUMINANCE8UI_EXT … #endif #if !defined( GL_LUMINANCE8I_EXT ) #define GL_LUMINANCE8I_EXT … #endif #if !defined( GL_LUMINANCE12 ) #define GL_LUMINANCE12 … #endif #if !defined( GL_LUMINANCE16 ) #define GL_LUMINANCE16 … #endif #if !defined( GL_LUMINANCE16_SNORM ) #define GL_LUMINANCE16_SNORM … #endif #if !defined( GL_LUMINANCE16UI_EXT ) #define GL_LUMINANCE16UI_EXT … #endif #if !defined( GL_LUMINANCE16I_EXT ) #define GL_LUMINANCE16I_EXT … #endif #if !defined( GL_LUMINANCE16F_ARB ) #define GL_LUMINANCE16F_ARB … #endif #if !defined( GL_LUMINANCE32UI_EXT ) #define GL_LUMINANCE32UI_EXT … #endif #if !defined( GL_LUMINANCE32I_EXT ) #define GL_LUMINANCE32I_EXT … #endif #if !defined( GL_LUMINANCE32F_ARB ) #define GL_LUMINANCE32F_ARB … #endif // // Luminance/Alpha // #if !defined( GL_LUMINANCE4_ALPHA4 ) #define GL_LUMINANCE4_ALPHA4 … #endif #if !defined( GL_LUMINANCE6_ALPHA2 ) #define GL_LUMINANCE6_ALPHA2 … #endif #if !defined( GL_LUMINANCE8_ALPHA8 ) #define GL_LUMINANCE8_ALPHA8 … #endif #if !defined( GL_LUMINANCE8_ALPHA8_SNORM ) #define GL_LUMINANCE8_ALPHA8_SNORM … #endif #if !defined( GL_SLUMINANCE8_ALPHA8 ) #define GL_SLUMINANCE8_ALPHA8 … #endif #if !defined( GL_LUMINANCE_ALPHA8UI_EXT ) #define GL_LUMINANCE_ALPHA8UI_EXT … #endif #if !defined( GL_LUMINANCE_ALPHA8I_EXT ) #define GL_LUMINANCE_ALPHA8I_EXT … #endif #if !defined( GL_LUMINANCE12_ALPHA4 ) #define GL_LUMINANCE12_ALPHA4 … #endif #if !defined( GL_LUMINANCE12_ALPHA12 ) #define GL_LUMINANCE12_ALPHA12 … #endif #if !defined( GL_LUMINANCE16_ALPHA16 ) #define GL_LUMINANCE16_ALPHA16 … #endif #if !defined( GL_LUMINANCE16_ALPHA16_SNORM ) #define GL_LUMINANCE16_ALPHA16_SNORM … #endif #if !defined( GL_LUMINANCE_ALPHA16UI_EXT ) #define GL_LUMINANCE_ALPHA16UI_EXT … #endif #if !defined( GL_LUMINANCE_ALPHA16I_EXT ) #define GL_LUMINANCE_ALPHA16I_EXT … #endif #if !defined( GL_LUMINANCE_ALPHA16F_ARB ) #define GL_LUMINANCE_ALPHA16F_ARB … #endif #if !defined( GL_LUMINANCE_ALPHA32UI_EXT ) #define GL_LUMINANCE_ALPHA32UI_EXT … #endif #if !defined( GL_LUMINANCE_ALPHA32I_EXT ) #define GL_LUMINANCE_ALPHA32I_EXT … #endif #if !defined( GL_LUMINANCE_ALPHA32F_ARB ) #define GL_LUMINANCE_ALPHA32F_ARB … #endif // // Intensity // #if !defined( GL_INTENSITY4 ) #define GL_INTENSITY4 … #endif #if !defined( GL_INTENSITY8 ) #define GL_INTENSITY8 … #endif #if !defined( GL_INTENSITY8_SNORM ) #define GL_INTENSITY8_SNORM … #endif #if !defined( GL_INTENSITY8UI_EXT ) #define GL_INTENSITY8UI_EXT … #endif #if !defined( GL_INTENSITY8I_EXT ) #define GL_INTENSITY8I_EXT … #endif #if !defined( GL_INTENSITY12 ) #define GL_INTENSITY12 … #endif #if !defined( GL_INTENSITY16 ) #define GL_INTENSITY16 … #endif #if !defined( GL_INTENSITY16_SNORM ) #define GL_INTENSITY16_SNORM … #endif #if !defined( GL_INTENSITY16UI_EXT ) #define GL_INTENSITY16UI_EXT … #endif #if !defined( GL_INTENSITY16I_EXT ) #define GL_INTENSITY16I_EXT … #endif #if !defined( GL_INTENSITY16F_ARB ) #define GL_INTENSITY16F_ARB … #endif #if !defined( GL_INTENSITY32UI_EXT ) #define GL_INTENSITY32UI_EXT … #endif #if !defined( GL_INTENSITY32I_EXT ) #define GL_INTENSITY32I_EXT … #endif #if !defined( GL_INTENSITY32F_ARB ) #define GL_INTENSITY32F_ARB … #endif // // Generic compression // #if !defined( GL_COMPRESSED_RED ) #define GL_COMPRESSED_RED … #endif #if !defined( GL_COMPRESSED_ALPHA ) #define GL_COMPRESSED_ALPHA … #endif #if !defined( GL_COMPRESSED_LUMINANCE ) #define GL_COMPRESSED_LUMINANCE … #endif #if !defined( GL_COMPRESSED_SLUMINANCE ) #define GL_COMPRESSED_SLUMINANCE … #endif #if !defined( GL_COMPRESSED_LUMINANCE_ALPHA ) #define GL_COMPRESSED_LUMINANCE_ALPHA … #endif #if !defined( GL_COMPRESSED_SLUMINANCE_ALPHA ) #define GL_COMPRESSED_SLUMINANCE_ALPHA … #endif #if !defined( GL_COMPRESSED_INTENSITY ) #define GL_COMPRESSED_INTENSITY … #endif #if !defined( GL_COMPRESSED_RG ) #define GL_COMPRESSED_RG … #endif #if !defined( GL_COMPRESSED_RGB ) #define GL_COMPRESSED_RGB … #endif #if !defined( GL_COMPRESSED_RGBA ) #define GL_COMPRESSED_RGBA … #endif #if !defined( GL_COMPRESSED_SRGB ) #define GL_COMPRESSED_SRGB … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA ) #define GL_COMPRESSED_SRGB_ALPHA … #endif // // FXT1 // #if !defined( GL_COMPRESSED_RGB_FXT1_3DFX ) #define GL_COMPRESSED_RGB_FXT1_3DFX … #endif #if !defined( GL_COMPRESSED_RGBA_FXT1_3DFX ) #define GL_COMPRESSED_RGBA_FXT1_3DFX … #endif // // S3TC/DXT/BC // #if !defined( GL_COMPRESSED_RGB_S3TC_DXT1_EXT ) #define GL_COMPRESSED_RGB_S3TC_DXT1_EXT … #endif #if !defined( GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ) #define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT … #endif #if !defined( GL_COMPRESSED_RGBA_S3TC_DXT3_EXT ) #define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT … #endif #if !defined( GL_COMPRESSED_RGBA_S3TC_DXT5_EXT ) #define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT … #endif #if !defined( GL_COMPRESSED_SRGB_S3TC_DXT1_EXT ) #define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT ) #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT ) #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT ) #define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT … #endif #if !defined( GL_COMPRESSED_LUMINANCE_LATC1_EXT ) #define GL_COMPRESSED_LUMINANCE_LATC1_EXT … #endif #if !defined( GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT ) #define GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT … #endif #if !defined( GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT ) #define GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT … #endif #if !defined( GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT ) #define GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT … #endif #if !defined( GL_COMPRESSED_RED_RGTC1 ) #define GL_COMPRESSED_RED_RGTC1 … #endif #if !defined( GL_COMPRESSED_RG_RGTC2 ) #define GL_COMPRESSED_RG_RGTC2 … #endif #if !defined( GL_COMPRESSED_SIGNED_RED_RGTC1 ) #define GL_COMPRESSED_SIGNED_RED_RGTC1 … #endif #if !defined( GL_COMPRESSED_SIGNED_RG_RGTC2 ) #define GL_COMPRESSED_SIGNED_RG_RGTC2 … #endif #if !defined( GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT ) #define GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT … #endif #if !defined( GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT ) #define GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT … #endif #if !defined( GL_COMPRESSED_RGBA_BPTC_UNORM ) #define GL_COMPRESSED_RGBA_BPTC_UNORM … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM ) #define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM … #endif // // ETC // #if !defined( GL_ETC1_RGB8_OES ) #define GL_ETC1_RGB8_OES … #endif #if !defined( GL_COMPRESSED_RGB8_ETC2 ) #define GL_COMPRESSED_RGB8_ETC2 … #endif #if !defined( GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 ) #define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 … #endif #if !defined( GL_COMPRESSED_RGBA8_ETC2_EAC ) #define GL_COMPRESSED_RGBA8_ETC2_EAC … #endif #if !defined( GL_COMPRESSED_SRGB8_ETC2 ) #define GL_COMPRESSED_SRGB8_ETC2 … #endif #if !defined( GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 ) #define GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 … #endif #if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC ) #define GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC … #endif #if !defined( GL_COMPRESSED_R11_EAC ) #define GL_COMPRESSED_R11_EAC … #endif #if !defined( GL_COMPRESSED_RG11_EAC ) #define GL_COMPRESSED_RG11_EAC … #endif #if !defined( GL_COMPRESSED_SIGNED_R11_EAC ) #define GL_COMPRESSED_SIGNED_R11_EAC … #endif #if !defined( GL_COMPRESSED_SIGNED_RG11_EAC ) #define GL_COMPRESSED_SIGNED_RG11_EAC … #endif // // PVRTC // #if !defined( GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG ) #define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG … #define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG … #define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG … #define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG … #endif #if !defined( GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG ) #define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG … #define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG … #endif #if !defined( GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT ) #define GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT … #define GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT … #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT … #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT … #endif #if !defined( GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG ) #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV2_IMG … #define GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV2_IMG … #endif // // ASTC // #if !defined( GL_COMPRESSED_RGBA_ASTC_4x4_KHR ) #define GL_COMPRESSED_RGBA_ASTC_4x4_KHR … #define GL_COMPRESSED_RGBA_ASTC_5x4_KHR … #define GL_COMPRESSED_RGBA_ASTC_5x5_KHR … #define GL_COMPRESSED_RGBA_ASTC_6x5_KHR … #define GL_COMPRESSED_RGBA_ASTC_6x6_KHR … #define GL_COMPRESSED_RGBA_ASTC_8x5_KHR … #define GL_COMPRESSED_RGBA_ASTC_8x6_KHR … #define GL_COMPRESSED_RGBA_ASTC_8x8_KHR … #define GL_COMPRESSED_RGBA_ASTC_10x5_KHR … #define GL_COMPRESSED_RGBA_ASTC_10x6_KHR … #define GL_COMPRESSED_RGBA_ASTC_10x8_KHR … #define GL_COMPRESSED_RGBA_ASTC_10x10_KHR … #define GL_COMPRESSED_RGBA_ASTC_12x10_KHR … #define GL_COMPRESSED_RGBA_ASTC_12x12_KHR … #endif #if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR ) #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR … #endif #if !defined( GL_COMPRESSED_RGBA_ASTC_3x3x3_OES ) #define GL_COMPRESSED_RGBA_ASTC_3x3x3_OES … #define GL_COMPRESSED_RGBA_ASTC_4x3x3_OES … #define GL_COMPRESSED_RGBA_ASTC_4x4x3_OES … #define GL_COMPRESSED_RGBA_ASTC_4x4x4_OES … #define GL_COMPRESSED_RGBA_ASTC_5x4x4_OES … #define GL_COMPRESSED_RGBA_ASTC_5x5x4_OES … #define GL_COMPRESSED_RGBA_ASTC_5x5x5_OES … #define GL_COMPRESSED_RGBA_ASTC_6x5x5_OES … #define GL_COMPRESSED_RGBA_ASTC_6x6x5_OES … #define GL_COMPRESSED_RGBA_ASTC_6x6x6_OES … #endif #if !defined( GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES ) #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES … #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES … #endif // // ATC // #if !defined( GL_ATC_RGB_AMD ) #define GL_ATC_RGB_AMD … #define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD … #define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD … #endif // // Palletized (combined palette) // #if !defined( GL_PALETTE4_RGB8_OES ) #define GL_PALETTE4_RGB8_OES … #define GL_PALETTE4_RGBA8_OES … #define GL_PALETTE4_R5_G6_B5_OES … #define GL_PALETTE4_RGBA4_OES … #define GL_PALETTE4_RGB5_A1_OES … #define GL_PALETTE8_RGB8_OES … #define GL_PALETTE8_RGBA8_OES … #define GL_PALETTE8_R5_G6_B5_OES … #define GL_PALETTE8_RGBA4_OES … #define GL_PALETTE8_RGB5_A1_OES … #endif // // Palletized (separate palette) // #if !defined( GL_COLOR_INDEX1_EXT ) #define GL_COLOR_INDEX1_EXT … #define GL_COLOR_INDEX2_EXT … #define GL_COLOR_INDEX4_EXT … #define GL_COLOR_INDEX8_EXT … #define GL_COLOR_INDEX12_EXT … #define GL_COLOR_INDEX16_EXT … #endif // // Depth/stencil // #if !defined( GL_DEPTH_COMPONENT16 ) #define GL_DEPTH_COMPONENT16 … #endif #if !defined( GL_DEPTH_COMPONENT24 ) #define GL_DEPTH_COMPONENT24 … #endif #if !defined( GL_DEPTH_COMPONENT32 ) #define GL_DEPTH_COMPONENT32 … #endif #if !defined( GL_DEPTH_COMPONENT32F ) #define GL_DEPTH_COMPONENT32F … #endif #if !defined( GL_DEPTH_COMPONENT32F_NV ) #define GL_DEPTH_COMPONENT32F_NV … #endif #if !defined( GL_STENCIL_INDEX1 ) #define GL_STENCIL_INDEX1 … #endif #if !defined( GL_STENCIL_INDEX4 ) #define GL_STENCIL_INDEX4 … #endif #if !defined( GL_STENCIL_INDEX8 ) #define GL_STENCIL_INDEX8 … #endif #if !defined( GL_STENCIL_INDEX16 ) #define GL_STENCIL_INDEX16 … #endif #if !defined( GL_DEPTH24_STENCIL8 ) #define GL_DEPTH24_STENCIL8 … #endif #if !defined( GL_DEPTH32F_STENCIL8 ) #define GL_DEPTH32F_STENCIL8 … #endif #if !defined( GL_DEPTH32F_STENCIL8_NV ) #define GL_DEPTH32F_STENCIL8_NV … #endif static inline GLenum glGetFormatFromInternalFormat( const GLenum internalFormat ) { … } static inline GLenum glGetTypeFromInternalFormat( const GLenum internalFormat ) { … } static inline unsigned int glGetTypeSizeFromType(GLenum type) { … } static inline void glGetFormatSize( const GLenum internalFormat, ktxFormatSize * pFormatSize ) { … } #endif // !GL_FORMAT_H
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