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/* FNA3D - 3D Graphics Library for FNA
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*
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* Copyright (c) 2020-2022 Ethan Lee
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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* Ethan "flibitijibibo" Lee <flibitijibibo@flibitijibibo.com>
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*
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*/
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#ifndef FNA3D_DRIVER_OPENGL_H
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#define FNA3D_DRIVER_OPENGL_H
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#include <stdint.h>
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/* Types */
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typedef unsigned int GLenum;
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typedef unsigned int GLbitfield;
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typedef void GLvoid;
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typedef unsigned int GLuint;
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typedef int GLint;
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typedef unsigned char GLubyte;
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typedef int GLsizei;
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typedef float GLfloat;
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typedef float GLclampf;
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typedef double GLdouble;
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typedef char GLchar;
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typedef uintptr_t GLsizeiptr;
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typedef intptr_t GLintptr;
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typedef unsigned char GLboolean;
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/* Hint */
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#define GL_DONT_CARE 0x1100
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/* 0/1 */
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#define GL_ZERO 0x0000
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#define GL_ONE 0x0001
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/* True/False */
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#define GL_FALSE 0x0000
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#define GL_TRUE 0x0001
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/* Types */
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#define GL_BYTE 0x1400
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#define GL_UNSIGNED_BYTE 0x1401
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#define GL_SHORT 0x1402
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#define GL_UNSIGNED_SHORT 0x1403
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#define GL_UNSIGNED_INT 0x1405
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#define GL_FLOAT 0x1406
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#define GL_HALF_FLOAT 0x140B
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#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
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#define GL_UNSIGNED_SHORT_5_5_5_1_REV 0x8366
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#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
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#define GL_UNSIGNED_SHORT_5_6_5 0x8363
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#define GL_UNSIGNED_INT_24_8 0x84FA
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/* Strings */
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#define GL_VENDOR 0x1F00
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#define GL_RENDERER 0x1F01
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#define GL_VERSION 0x1F02
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#define GL_EXTENSIONS 0x1F03
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/* Clear Mask */
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#define GL_COLOR_BUFFER_BIT 0x4000
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#define GL_DEPTH_BUFFER_BIT 0x0100
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#define GL_STENCIL_BUFFER_BIT 0x0400
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/* Enable Caps */
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#define GL_SCISSOR_TEST 0x0C11
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#define GL_DEPTH_TEST 0x0B71
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#define GL_STENCIL_TEST 0x0B90
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/* Points */
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#define GL_POINT_SPRITE 0x8861
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#define GL_COORD_REPLACE 0x8862
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/* Polygons */
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#define GL_LINE 0x1B01
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#define GL_FILL 0x1B02
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#define GL_CW 0x0900
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#define GL_CCW 0x0901
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#define GL_FRONT 0x0404
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#define GL_BACK 0x0405
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#define GL_FRONT_AND_BACK 0x0408
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#define GL_CULL_FACE 0x0B44
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#define GL_POLYGON_OFFSET_FILL 0x8037
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/* Texture Type */
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#define GL_TEXTURE_2D 0x0DE1
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#define GL_TEXTURE_3D 0x806F
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#define GL_TEXTURE_CUBE_MAP 0x8513
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#define GL_TEXTURE_CUBE_MAP_POSITIVE_X 0x8515
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/* Blend Mode */
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#define GL_BLEND 0x0BE2
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#define GL_SRC_COLOR 0x0300
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#define GL_ONE_MINUS_SRC_COLOR 0x0301
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#define GL_SRC_ALPHA 0x0302
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#define GL_ONE_MINUS_SRC_ALPHA 0x0303
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#define GL_DST_ALPHA 0x0304
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#define GL_ONE_MINUS_DST_ALPHA 0x0305
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#define GL_DST_COLOR 0x0306
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#define GL_ONE_MINUS_DST_COLOR 0x0307
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#define GL_SRC_ALPHA_SATURATE 0x0308
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#define GL_CONSTANT_COLOR 0x8001
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#define GL_ONE_MINUS_CONSTANT_COLOR 0x8002
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/* Equations */
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#define GL_MIN 0x8007
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#define GL_MAX 0x8008
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#define GL_FUNC_ADD 0x8006
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#define GL_FUNC_SUBTRACT 0x800A
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#define GL_FUNC_REVERSE_SUBTRACT 0x800B
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/* Comparisons */
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#define GL_NEVER 0x0200
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#define GL_LESS 0x0201
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#define GL_EQUAL 0x0202
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#define GL_LEQUAL 0x0203
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#define GL_GREATER 0x0204
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#define GL_NOTEQUAL 0x0205
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#define GL_GEQUAL 0x0206
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#define GL_ALWAYS 0x0207
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/* Stencil Operations */
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#define GL_INVERT 0x150A
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#define GL_KEEP 0x1E00
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#define GL_REPLACE 0x1E01
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#define GL_INCR 0x1E02
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#define GL_DECR 0x1E03
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#define GL_INCR_WRAP 0x8507
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#define GL_DECR_WRAP 0x8508
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/* Wrap Modes */
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#define GL_REPEAT 0x2901
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#define GL_CLAMP_TO_EDGE 0x812F
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#define GL_MIRRORED_REPEAT 0x8370
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/* Filters */
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#define GL_NEAREST 0x2600
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#define GL_LINEAR 0x2601
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#define GL_NEAREST_MIPMAP_NEAREST 0x2700
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#define GL_NEAREST_MIPMAP_LINEAR 0x2702
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#define GL_LINEAR_MIPMAP_NEAREST 0x2701
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#define GL_LINEAR_MIPMAP_LINEAR 0x2703
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/* Attachments */
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#define GL_COLOR_ATTACHMENT0 0x8CE0
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#define GL_DEPTH_ATTACHMENT 0x8D00
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#define GL_STENCIL_ATTACHMENT 0x8D20
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#define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
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/* Texture Formats */
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#define GL_RED 0x1903
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#define GL_ALPHA 0x1906
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#define GL_RGB 0x1907
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#define GL_RGBA 0x1908
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#define GL_RGB8 0x8051
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#define GL_RGBA8 0x8058
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#define GL_RGBA4 0x8056
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#define GL_RGB5_A1 0x8057
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#define GL_RGB10_A2_EXT 0x8059
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#define GL_RGBA16 0x805B
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#define GL_BGRA 0x80E1
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#define GL_DEPTH_COMPONENT16 0x81A5
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#define GL_DEPTH_COMPONENT24 0x81A6
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#define GL_RG 0x8227
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#define GL_RG8 0x822B
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#define GL_RG16 0x822C
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#define GL_R16F 0x822D
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#define GL_R32F 0x822E
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#define GL_RG16F 0x822F
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#define GL_RG32F 0x8230
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#define GL_RGBA32F 0x8814
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#define GL_RGBA16F 0x881A
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#define GL_DEPTH24_STENCIL8 0x88F0
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#define GL_COMPRESSED_TEXTURE_FORMATS 0x86A3
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#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
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#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
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#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
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#define GL_SRGB_EXT 0x8C40
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#define GL_SRGB8_EXT 0x8C41
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#define GL_SRGB_ALPHA_EXT 0x8C42
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#define GL_SRGB8_ALPHA8_EXT 0x8C43
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#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT 0x8C4F
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#define GL_COMPRESSED_RGBA_BPTC_UNORM_EXT 0x8E8C
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#define GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT 0x8E8D
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/* EXT_framebuffer_sRGB */
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#define GL_FRAMEBUFFER_SRGB_EXT 0x8DB9
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#define GL_FRAMEBUFFER_SRGB_CAPABLE_EXT 0x8DBA
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/* Texture Internal Formats */
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#define GL_DEPTH_COMPONENT 0x1902
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#define GL_DEPTH_STENCIL 0x84F9
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/* Textures */
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#define GL_TEXTURE_WRAP_S 0x2802
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#define GL_TEXTURE_WRAP_T 0x2803
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#define GL_TEXTURE_WRAP_R 0x8072
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#define GL_TEXTURE_MAG_FILTER 0x2800
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#define GL_TEXTURE_MIN_FILTER 0x2801
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#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
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#define GL_TEXTURE_BASE_LEVEL 0x813C
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#define GL_TEXTURE_MAX_LEVEL 0x813D
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#define GL_TEXTURE_LOD_BIAS 0x8501
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#define GL_UNPACK_ALIGNMENT 0x0CF5
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/* Multitexture */
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#define GL_TEXTURE0 0x84C0
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#define GL_MAX_TEXTURE_IMAGE_UNITS 0x8872
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#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS 0x8B4C
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/* Buffer objects */
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#define GL_ARRAY_BUFFER 0x8892
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#define GL_ELEMENT_ARRAY_BUFFER 0x8893
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#define GL_STREAM_DRAW 0x88E0
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#define GL_STATIC_DRAW 0x88E4
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#define GL_MAX_VERTEX_ATTRIBS 0x8869
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/* Render targets */
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#define GL_FRAMEBUFFER 0x8D40
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#define GL_READ_FRAMEBUFFER 0x8CA8
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#define GL_DRAW_FRAMEBUFFER 0x8CA9
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#define GL_RENDERBUFFER 0x8D41
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#define GL_MAX_DRAW_BUFFERS 0x8824
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/* Draw Primitives */
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#define GL_POINTS 0x0000
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#define GL_LINES 0x0001
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#define GL_LINE_STRIP 0x0003
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#define GL_TRIANGLES 0x0004
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#define GL_TRIANGLE_STRIP 0x0005
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/* Query Objects */
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#define GL_QUERY_RESULT 0x8866
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#define GL_QUERY_RESULT_AVAILABLE 0x8867
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#define GL_SAMPLES_PASSED 0x8914
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/* Multisampling */
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#define GL_MULTISAMPLE 0x809D
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#define GL_MAX_SAMPLES 0x8D57
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#define GL_SAMPLE_MASK 0x8E51
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#define GL_SAMPLES 0x80A9
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/* 3.2 Core Profile */
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#define GL_NUM_EXTENSIONS 0x821D
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/* Debug Source */
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#define GL_DEBUG_SOURCE_API 0x8246
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#define GL_DEBUG_SOURCE_WINDOW_SYSTEM 0x8247
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#define GL_DEBUG_SOURCE_SHADER_COMPILER 0x8248
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#define GL_DEBUG_SOURCE_THIRD_PARTY 0x8249
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#define GL_DEBUG_SOURCE_APPLICATION 0x824A
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#define GL_DEBUG_SOURCE_OTHER 0x824B
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/* Debug Type */
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#define GL_DEBUG_TYPE_ERROR 0x824C
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#define GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR 0x824D
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#define GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR 0x824E
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#define GL_DEBUG_TYPE_PORTABILITY 0x824F
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#define GL_DEBUG_TYPE_PERFORMANCE 0x8250
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#define GL_DEBUG_TYPE_OTHER 0x8251
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/* Debug Severity */
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#define GL_DEBUG_SEVERITY_HIGH 0x9146
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#define GL_DEBUG_SEVERITY_MEDIUM 0x9147
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#define GL_DEBUG_SEVERITY_LOW 0x9148
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#define GL_DEBUG_SEVERITY_NOTIFICATION 0x826B
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/* In case this needs to be exported in a certain way... */
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#ifdef _WIN32 /* Windows OpenGL uses stdcall */
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#define GLAPIENTRY __stdcall
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#else
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#define GLAPIENTRY
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#endif
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/* Debug callback typedef */
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typedef void (GLAPIENTRY *DEBUGPROC)(
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GLenum source,
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GLenum type,
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GLuint id,
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GLenum severity,
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GLsizei length,
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const GLchar *message,
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const void *userParam
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);
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/* Function typedefs */
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#define GL_EXT(ext)
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#define GL_PROC(ext, ret, func, parms) \
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typedef ret (GLAPIENTRY *glfntype_##func) parms;
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#define GL_PROC_EXT(ext, fallbacl, ret, func, parms) \
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typedef ret (GLAPIENTRY *glfntype_##func) parms;
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#include "FNA3D_Driver_OpenGL_glfuncs.h"
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/* glGetString is a bit different since we load it early */
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typedef const GLubyte* (GLAPIENTRY *glfntype_glGetString)(GLenum a);
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#endif /* FNA3D_DRIVER_OPENGL_H */
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/* vim: set noexpandtab shiftwidth=8 tabstop=8: */
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