💿🐜 Antkeeper source code
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219 lines
24 KiB
219 lines
24 KiB
/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_GL_GL_FORMAT_LUT_HPP
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#define ANTKEEPER_GL_GL_FORMAT_LUT_HPP
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#include <glad/gl.h>
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namespace gl {
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/// Maps gl::format to OpenGL internal format, base format, and pixel type.
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constexpr GLenum gl_format_lut[][3] =
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{
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{0 , 0 , 0 }, // undefined
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{0 , GL_RG , 0 }, // r4g4_unorm_pack8
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{GL_RGBA4 , GL_RGBA , GL_UNSIGNED_SHORT_4_4_4_4 }, // r4g4b4a4_unorm_pack16
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{GL_RGBA4 , GL_BGRA , GL_UNSIGNED_SHORT_4_4_4_4 }, // b4g4r4a4_unorm_pack16
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{GL_RGB565 , GL_RGB , GL_UNSIGNED_SHORT_5_6_5 }, // r5g6b5_unorm_pack16
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{GL_RGB565 , GL_BGR , GL_UNSIGNED_SHORT_5_6_5 }, // b5g6r5_unorm_pack16
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{GL_RGB5_A1 , GL_RGBA , GL_UNSIGNED_SHORT_5_5_5_1 }, // r5g5b5a1_unorm_pack16
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{GL_RGB5_A1 , GL_BGRA , GL_UNSIGNED_SHORT_5_5_5_1 }, // b5g5r5a1_unorm_pack16
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{GL_RGB5_A1 , GL_BGRA , GL_UNSIGNED_SHORT_1_5_5_5_REV }, // a1r5g5b5_unorm_pack16
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{GL_R8 , GL_RED , GL_UNSIGNED_BYTE }, // r8_unorm
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{GL_R8_SNORM , GL_RED , GL_BYTE }, // r8_snorm
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{0 , GL_RED , GL_UNSIGNED_BYTE }, // r8_uscaled
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{0 , GL_RED , GL_BYTE }, // r8_sscaled
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{GL_R8UI , GL_RED_INTEGER , GL_UNSIGNED_BYTE }, // r8_uint
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{GL_R8I , GL_RED_INTEGER , GL_BYTE }, // r8_sint
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{0 , GL_RED , GL_UNSIGNED_BYTE }, // r8_srgb
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{GL_RG8 , GL_RG , GL_UNSIGNED_BYTE }, // r8g8_unorm
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{GL_RG8_SNORM , GL_RG , GL_BYTE }, // r8g8_snorm
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{0 , GL_RED , GL_UNSIGNED_BYTE }, // r8g8_uscaled
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{0 , GL_RED , GL_BYTE }, // r8g8_sscaled
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{GL_RG8UI , GL_RG_INTEGER , GL_UNSIGNED_BYTE }, // r8g8_uint
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{GL_RG8I , GL_RG_INTEGER , GL_BYTE }, // r8g8_sint
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{0 , GL_RG , GL_UNSIGNED_BYTE }, // r8g8_srgb
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{GL_RGB8 , GL_RGB , GL_UNSIGNED_BYTE }, // r8g8b8_unorm
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{GL_RGB8_SNORM , GL_RGB , GL_BYTE }, // r8g8b8_snorm
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{0 , GL_RED , GL_UNSIGNED_BYTE }, // r8g8b8_uscaled
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{0 , GL_RED , GL_BYTE }, // r8g8b8_sscaled
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{GL_RGB8UI , GL_RGB_INTEGER , GL_UNSIGNED_BYTE }, // r8g8b8_uint
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{GL_RGB8I , GL_RGB_INTEGER , GL_BYTE }, // r8g8b8_sint
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{GL_SRGB8 , GL_RGB , GL_UNSIGNED_BYTE }, // r8g8b8_srgb
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{GL_RGB8 , GL_BGR , GL_UNSIGNED_BYTE }, // b8g8r8_unorm
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{GL_RGB8_SNORM , GL_BGR , GL_BYTE }, // b8g8r8_snorm
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{0 , GL_BGR , GL_UNSIGNED_BYTE }, // b8g8r8_uscaled
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{0 , GL_BGR , GL_BYTE }, // b8g8r8_sscaled
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{GL_RGB8UI , GL_BGR_INTEGER , GL_UNSIGNED_BYTE }, // b8g8r8_uint
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{GL_RGB8I , GL_BGR_INTEGER , GL_BYTE }, // b8g8r8_sint
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{GL_SRGB8 , GL_BGR , GL_UNSIGNED_BYTE }, // b8g8r8_srgb
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{GL_RGBA8 , GL_RGBA , GL_UNSIGNED_BYTE }, // r8g8b8a8_unorm
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{GL_RGBA8_SNORM , GL_RGBA , GL_BYTE }, // r8g8b8a8_snorm
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{0 , GL_RGBA , GL_UNSIGNED_BYTE }, // r8g8b8a8_uscaled
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{0 , GL_RGBA , GL_BYTE }, // r8g8b8a8_sscaled
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{GL_RGBA8UI , GL_RGBA_INTEGER , GL_UNSIGNED_BYTE }, // r8g8b8a8_uint
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{GL_RGBA8I , GL_RGBA_INTEGER , GL_BYTE }, // r8g8b8a8_sint
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{GL_SRGB8_ALPHA8 , GL_RGBA , GL_UNSIGNED_BYTE }, // r8g8b8a8_srgb
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{GL_RGBA8 , GL_BGRA , GL_UNSIGNED_BYTE }, // b8g8r8a8_unorm
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{GL_RGBA8_SNORM , GL_BGRA , GL_BYTE }, // b8g8r8a8_snorm
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{0 , GL_BGRA , GL_UNSIGNED_BYTE }, // b8g8r8a8_uscaled
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{0 , GL_BGRA , GL_BYTE }, // b8g8r8a8_sscaled
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{GL_RGBA8UI , GL_BGRA_INTEGER , GL_UNSIGNED_BYTE }, // b8g8r8a8_uint
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{GL_RGBA8I , GL_BGRA_INTEGER , GL_BYTE }, // b8g8r8a8_sint
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{GL_SRGB8_ALPHA8 , GL_BGRA , GL_UNSIGNED_BYTE }, // b8g8r8a8_srgb
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{GL_RGBA8 , GL_RGBA , GL_UNSIGNED_INT_8_8_8_8_REV }, // a8b8g8r8_unorm_pack32
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{GL_RGBA8_SNORM , GL_RGBA , 0 }, // a8b8g8r8_snorm_pack32
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{0 , GL_RGBA , GL_UNSIGNED_INT_8_8_8_8_REV }, // a8b8g8r8_uscaled_pack32
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{0 , GL_RGBA , 0 }, // a8b8g8r8_sscaled_pack32
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{GL_RGBA8UI , GL_RGBA_INTEGER , GL_UNSIGNED_INT_8_8_8_8_REV }, // a8b8g8r8_uint_pack32
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{GL_RGBA8I , GL_RGBA_INTEGER , 0 }, // a8b8g8r8_sint_pack32
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{GL_SRGB8_ALPHA8 , GL_RGBA , GL_UNSIGNED_INT_8_8_8_8_REV }, // a8b8g8r8_srgb_pack32
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{GL_RGB10_A2 , GL_BGRA , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2r10g10b10_unorm_pack32
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{0 , GL_BGRA , 0 }, // a2r10g10b10_snorm_pack32
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{0 , GL_BGRA , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2r10g10b10_uscaled_pack32
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{0 , GL_BGRA , 0 }, // a2r10g10b10_sscaled_pack32
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{GL_RGB10_A2UI , GL_BGRA_INTEGER , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2r10g10b10_uint_pack32
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{0 , GL_BGRA_INTEGER , 0 }, // a2r10g10b10_sint_pack32
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{GL_RGB10_A2 , GL_RGBA , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2b10g10r10_unorm_pack32
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{0 , GL_RGBA , 0 }, // a2b10g10r10_snorm_pack32
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{0 , GL_RGBA , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2b10g10r10_uscaled_pack32
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{0 , GL_RGBA , 0 }, // a2b10g10r10_sscaled_pack32
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{GL_RGB10_A2UI , GL_RGBA_INTEGER , GL_UNSIGNED_INT_2_10_10_10_REV }, // a2b10g10r10_uint_pack32
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{0 , GL_RGBA_INTEGER , 0 }, // a2b10g10r10_sint_pack32
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{GL_R16 , GL_RED , GL_UNSIGNED_SHORT }, // r16_unorm
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{GL_R16_SNORM , GL_RED , GL_SHORT }, // r16_snorm
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{0 , GL_RED , GL_UNSIGNED_SHORT }, // r16_uscaled
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{0 , GL_RED , GL_SHORT }, // r16_sscaled
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{GL_R16UI , GL_RED_INTEGER , GL_UNSIGNED_SHORT }, // r16_uint
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{GL_R16I , GL_RED_INTEGER , GL_SHORT }, // r16_sint
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{GL_R16F , GL_RED , GL_HALF_FLOAT }, // r16_sfloat
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{GL_RG16 , GL_RG , GL_UNSIGNED_SHORT }, // r16g16_unorm
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{GL_RG16_SNORM , GL_RG , GL_SHORT }, // r16g16_snorm
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{0 , GL_RG , GL_UNSIGNED_SHORT }, // r16g16_uscaled
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{0 , GL_RG , GL_SHORT }, // r16g16_sscaled
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{GL_RG16UI , GL_RG_INTEGER , GL_UNSIGNED_SHORT }, // r16g16_uint
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{GL_RG16I , GL_RG_INTEGER , GL_SHORT }, // r16g16_sint
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{GL_RG16F , GL_RG , GL_HALF_FLOAT }, // r16g16_sfloat
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{GL_RGB16 , GL_RGB , GL_UNSIGNED_SHORT }, // r16g16b16_unorm
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{GL_RGB16_SNORM , GL_RGB , GL_SHORT }, // r16g16b16_snorm
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{0 , GL_RGB , GL_UNSIGNED_SHORT }, // r16g16b16_uscaled
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{0 , GL_RGB , GL_SHORT }, // r16g16b16_sscaled
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{GL_RGB16UI , GL_RGB_INTEGER , GL_UNSIGNED_SHORT }, // r16g16b16_uint
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{GL_RGB16I , GL_RGB_INTEGER , GL_SHORT }, // r16g16b16_sint
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{GL_RGB16F , GL_RGB , GL_HALF_FLOAT }, // r16g16b16_sfloat
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{GL_RGBA16 , GL_RGBA , GL_UNSIGNED_SHORT }, // r16g16b16a16_unorm
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{GL_RGBA16_SNORM , GL_RGBA , GL_SHORT }, // r16g16b16a16_snorm
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{0 , GL_RGBA , GL_UNSIGNED_SHORT }, // r16g16b16a16_uscaled
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{0 , GL_RGBA , GL_SHORT }, // r16g16b16a16_sscaled
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{GL_RGBA16UI , GL_RGBA_INTEGER , GL_UNSIGNED_SHORT }, // r16g16b16a16_uint
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{GL_RGBA16I , GL_RGBA_INTEGER , GL_SHORT }, // r16g16b16a16_sint
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{GL_RGBA16F , GL_RGBA , GL_HALF_FLOAT }, // r16g16b16a16_sfloat
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{GL_R32UI , GL_RED_INTEGER , GL_UNSIGNED_INT }, // r32_uint
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{GL_R32I , GL_RED_INTEGER , GL_INT }, // r32_sint
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{GL_R32F , GL_RED , GL_FLOAT }, // r32_sfloat
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{GL_RG32UI , GL_RG_INTEGER , GL_UNSIGNED_INT }, // r32g32_uint
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{GL_RG32I , GL_RG_INTEGER , GL_INT }, // r32g32_sint
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{GL_RG32F , GL_RG , GL_FLOAT }, // r32g32_sfloat
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{GL_RGB32UI , GL_RGB_INTEGER , GL_UNSIGNED_INT }, // r32g32b32_uint
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{GL_RGB32I , GL_RGB_INTEGER , GL_INT }, // r32g32b32_sint
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{GL_RGB32F , GL_RGB , GL_FLOAT }, // r32g32b32_sfloat
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{GL_RGBA32UI , GL_RGBA_INTEGER , GL_UNSIGNED_INT }, // r32g32b32a32_uint
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{GL_RGBA32I , GL_RGBA_INTEGER , GL_INT }, // r32g32b32a32_sint
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{GL_RGBA32F , GL_RGBA , GL_FLOAT }, // r32g32b32a32_sfloat
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{0 , GL_RED_INTEGER , 0 }, // r64_uint
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{0 , GL_RED_INTEGER , 0 }, // r64_sint
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{0 , GL_RED , GL_DOUBLE }, // r64_sfloat
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{0 , GL_RG_INTEGER , 0 }, // r64g64_uint
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{0 , GL_RG_INTEGER , 0 }, // r64g64_sint
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{0 , GL_RG , GL_DOUBLE }, // r64g64_sfloat
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{0 , GL_RGB_INTEGER , 0 }, // r64g64b64_uint
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{0 , GL_RGB_INTEGER , 0 }, // r64g64b64_sint
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{0 , GL_RGB , GL_DOUBLE }, // r64g64b64_sfloat
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{0 , GL_RGBA_INTEGER , 0 }, // r64g64b64a64_uint
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{0 , GL_RGBA_INTEGER , 0 }, // r64g64b64a64_sint
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{0 , GL_RGBA , GL_DOUBLE }, // r64g64b64a64_sfloat
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{GL_R11F_G11F_B10F , GL_BGR , GL_UNSIGNED_INT_10F_11F_11F_REV }, // b10g11r11_ufloat_pack32
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{GL_RGB9_E5 , GL_BGR , GL_UNSIGNED_INT_5_9_9_9_REV }, // e5b9g9r9_ufloat_pack32
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{GL_DEPTH_COMPONENT16 , GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT }, // d16_unorm
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{GL_DEPTH_COMPONENT24 , GL_DEPTH_COMPONENT, GL_UNSIGNED_INT }, // x8_d24_unorm_pack32
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{GL_DEPTH_COMPONENT32F , GL_DEPTH_COMPONENT, GL_FLOAT }, // d32_sfloat
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{GL_STENCIL_INDEX8 , GL_STENCIL_INDEX , GL_UNSIGNED_BYTE }, // s8_uint
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{0 , GL_DEPTH_STENCIL , 0 }, // d16_unorm_s8_uint
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{GL_DEPTH24_STENCIL8 , GL_DEPTH_STENCIL , GL_UNSIGNED_INT_24_8 }, // d24_unorm_s8_uint
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{GL_DEPTH32F_STENCIL8 , GL_DEPTH_STENCIL , GL_FLOAT_32_UNSIGNED_INT_24_8_REV}, // d32_sfloat_s8_uint
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{0 , GL_RGB , 0 }, // bc1_rgb_unorm_block,
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{0 , GL_RGB , 0 }, // bc1_rgb_srgb_block,
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{0 , GL_RGBA , 0 }, // bc1_rgba_unorm_block,
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{0 , GL_RGBA , 0 }, // bc1_rgba_srgb_block,
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{0 , GL_RGBA , 0 }, // bc2_unorm_block,
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{0 , GL_RGBA , 0 }, // bc2_srgb_block,
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{0 , GL_RGBA , 0 }, // bc3_unorm_block,
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{0 , GL_RGBA , 0 }, // bc3_srgb_block,
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{GL_COMPRESSED_RED_RGTC1 , GL_RED , 0 }, // bc4_unorm_block,
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{GL_COMPRESSED_SIGNED_RED_RGTC1 , GL_RED , 0 }, // bc4_snorm_block,
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{GL_COMPRESSED_RG_RGTC2 , GL_RG , 0 }, // bc5_unorm_block,
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{GL_COMPRESSED_SIGNED_RG_RGTC2 , GL_RG , 0 }, // bc5_snorm_block,
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{GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT , GL_RGB , 0 }, // bc6h_ufloat_block,
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{GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT , GL_RGB , 0 }, // bc6h_sfloat_block,
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{GL_COMPRESSED_RGBA_BPTC_UNORM , GL_RGBA , 0 }, // bc7_unorm_block,
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{GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM , GL_RGBA , 0 }, // bc7_srgb_block,
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{GL_COMPRESSED_RGB8_ETC2 , GL_RGB , 0 }, // etc2_r8g8b8_unorm_block,
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{GL_COMPRESSED_SRGB8_ETC2 , GL_RGB , 0 }, // etc2_r8g8b8_srgb_block,
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{GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 , GL_RGBA , 0 }, // etc2_r8g8b8a1_unorm_block,
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{GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_RGBA , 0 }, // etc2_r8g8b8a1_srgb_block,
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{GL_COMPRESSED_RGBA8_ETC2_EAC , GL_RGBA , 0 }, // etc2_r8g8b8a8_unorm_block,
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{GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC , GL_RGBA , 0 }, // etc2_r8g8b8a8_srgb_block,
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{GL_COMPRESSED_R11_EAC , GL_RED , 0 }, // eac_r11_unorm_block,
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{GL_COMPRESSED_SIGNED_R11_EAC , GL_RED , 0 }, // eac_r11_snorm_block,
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{GL_COMPRESSED_RG11_EAC , GL_RG , 0 }, // eac_r11g11_unorm_block,
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{GL_COMPRESSED_SIGNED_RG11_EAC , GL_RG , 0 }, // eac_r11g11_snorm_block,
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{0 , GL_RGBA , 0 }, // astc_4x4_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_4x4_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_5x4_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_5x4_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_5x5_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_5x5_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_6x5_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_6x5_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_6x6_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_6x6_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_8x5_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_8x5_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_8x6_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_8x6_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_8x8_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_8x8_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_10x5_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_10x5_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_10x6_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_10x6_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_10x8_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_10x8_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_10x10_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_10x10_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_12x10_unorm_block,
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{0 , GL_RGBA , 0 }, // astc_12x10_srgb_block,
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{0 , GL_RGBA , 0 }, // astc_12x12_unorm_block,
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{0 , GL_RGBA , 0 } // astc_12x12_srgb_block
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};
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} // namespace gl
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#endif // ANTKEEPER_GL_GL_FORMAT_LUT_HPP
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