732 lines
31 KiB
C
Vendored
732 lines
31 KiB
C
Vendored
/*
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* This file was generated with gl3w_gen.py, part of imgl3w
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* (hosted at https://github.com/dearimgui/gl3w_stripped)
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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// We embed our own OpenGL loader to not require user to provide their own or to have to use ours, which proved to be endless problems for users.
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// Our loader is custom-generated, based on gl3w but automatically filtered to only include enums/functions that we use in this source file.
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// Regenerate with: python gl3w_gen.py --imgui-dir /path/to/imgui/
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// see https://github.com/dearimgui/gl3w_stripped for more info.
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#ifndef __gl3w_h_
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#define __gl3w_h_
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// Adapted from KHR/khrplatform.h to avoid including entire file.
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typedef float khronos_float_t;
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typedef signed char khronos_int8_t;
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typedef unsigned char khronos_uint8_t;
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typedef signed short int khronos_int16_t;
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typedef unsigned short int khronos_uint16_t;
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#ifdef _WIN64
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typedef signed long long int khronos_intptr_t;
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typedef signed long long int khronos_ssize_t;
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#else
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typedef signed long int khronos_intptr_t;
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typedef signed long int khronos_ssize_t;
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#endif
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#if defined(_MSC_VER) && !defined(__clang__)
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typedef signed __int64 khronos_int64_t;
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typedef unsigned __int64 khronos_uint64_t;
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#elif (defined(__clang__) || defined(__GNUC__)) && (__cplusplus < 201100)
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#include <stdint.h>
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typedef int64_t khronos_int64_t;
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typedef uint64_t khronos_uint64_t;
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#else
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typedef signed long long khronos_int64_t;
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typedef unsigned long long khronos_uint64_t;
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#endif
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#ifndef __gl_glcorearb_h_
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#define __gl_glcorearb_h_ 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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** Copyright 2013-2020 The Khronos Group Inc.
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** SPDX-License-Identifier: MIT
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**
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** This header is generated from the Khronos OpenGL / OpenGL ES XML
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** API Registry. The current version of the Registry, generator scripts
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** used to make the header, and the header can be found at
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** https://github.com/KhronosGroup/OpenGL-Registry
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*/
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#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN 1
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#endif
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#include <windows.h>
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#endif
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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#ifndef APIENTRYP
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#define APIENTRYP APIENTRY *
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#endif
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#ifndef GLAPI
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#define GLAPI extern
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#endif
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/* glcorearb.h is for use with OpenGL core profile implementations.
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** It should should be placed in the same directory as gl.h and
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** included as <GL/glcorearb.h>.
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**
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** glcorearb.h includes only APIs in the latest OpenGL core profile
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** implementation together with APIs in newer ARB extensions which
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** can be supported by the core profile. It does not, and never will
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** include functionality removed from the core profile, such as
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** fixed-function vertex and fragment processing.
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**
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** Do not #include both <GL/glcorearb.h> and either of <GL/gl.h> or
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** <GL/glext.h> in the same source file.
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*/
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/* Generated C header for:
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* API: gl
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* Profile: core
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* Versions considered: .*
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* Versions emitted: .*
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* Default extensions included: glcore
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* Additional extensions included: _nomatch_^
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* Extensions removed: _nomatch_^
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*/
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#ifndef GL_VERSION_1_0
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typedef void GLvoid;
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typedef unsigned int GLenum;
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typedef khronos_float_t GLfloat;
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typedef int GLint;
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typedef int GLsizei;
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typedef unsigned int GLbitfield;
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typedef double GLdouble;
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typedef unsigned int GLuint;
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typedef unsigned char GLboolean;
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typedef khronos_uint8_t GLubyte;
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#define GL_COLOR_BUFFER_BIT 0x00004000
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#define GL_FALSE 0
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#define GL_TRUE 1
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#define GL_TRIANGLES 0x0004
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#define GL_ONE 1
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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_FRONT_AND_BACK 0x0408
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#define GL_POLYGON_MODE 0x0B40
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#define GL_CULL_FACE 0x0B44
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#define GL_DEPTH_TEST 0x0B71
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#define GL_STENCIL_TEST 0x0B90
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#define GL_VIEWPORT 0x0BA2
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#define GL_BLEND 0x0BE2
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#define GL_SCISSOR_BOX 0x0C10
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#define GL_SCISSOR_TEST 0x0C11
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#define GL_UNPACK_ROW_LENGTH 0x0CF2
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#define GL_PACK_ALIGNMENT 0x0D05
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#define GL_TEXTURE_2D 0x0DE1
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#define GL_UNSIGNED_BYTE 0x1401
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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_RGBA 0x1908
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#define GL_FILL 0x1B02
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#define GL_VERSION 0x1F02
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#define GL_EXTENSIONS 0x1F03
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#define GL_NEAREST 0x2600
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#define GL_LINEAR 0x2601
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#define GL_TEXTURE_MAG_FILTER 0x2800
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#define GL_TEXTURE_MIN_FILTER 0x2801
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typedef void (APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode);
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typedef void (APIENTRYP PFNGLSCISSORPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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typedef void (APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
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typedef void (APIENTRYP PFNGLTEXIMAGE2DPROC) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
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typedef void (APIENTRYP PFNGLCLEARPROC) (GLbitfield mask);
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typedef void (APIENTRYP PFNGLCLEARCOLORPROC) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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typedef void (APIENTRYP PFNGLDISABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLENABLEPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLPIXELSTOREIPROC) (GLenum pname, GLint param);
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typedef void (APIENTRYP PFNGLREADPIXELSPROC) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels);
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typedef void (APIENTRYP PFNGLGETINTEGERVPROC) (GLenum pname, GLint *data);
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typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
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typedef GLboolean (APIENTRYP PFNGLISENABLEDPROC) (GLenum cap);
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typedef void (APIENTRYP PFNGLVIEWPORTPROC) (GLint x, GLint y, GLsizei width, GLsizei height);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glPolygonMode (GLenum face, GLenum mode);
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GLAPI void APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
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GLAPI void APIENTRY glTexParameteri (GLenum target, GLenum pname, GLint param);
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GLAPI void APIENTRY glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
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GLAPI void APIENTRY glClear (GLbitfield mask);
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GLAPI void APIENTRY glClearColor (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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GLAPI void APIENTRY glDisable (GLenum cap);
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GLAPI void APIENTRY glEnable (GLenum cap);
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GLAPI void APIENTRY glPixelStorei (GLenum pname, GLint param);
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GLAPI void APIENTRY glReadPixels (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void *pixels);
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GLAPI void APIENTRY glGetIntegerv (GLenum pname, GLint *data);
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GLAPI const GLubyte *APIENTRY glGetString (GLenum name);
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GLAPI GLboolean APIENTRY glIsEnabled (GLenum cap);
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GLAPI void APIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei height);
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#endif
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#endif /* GL_VERSION_1_0 */
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#ifndef GL_VERSION_1_1
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typedef khronos_float_t GLclampf;
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typedef double GLclampd;
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#define GL_TEXTURE_BINDING_2D 0x8069
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typedef void (APIENTRYP PFNGLDRAWELEMENTSPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices);
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typedef void (APIENTRYP PFNGLBINDTEXTUREPROC) (GLenum target, GLuint texture);
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typedef void (APIENTRYP PFNGLDELETETEXTURESPROC) (GLsizei n, const GLuint *textures);
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typedef void (APIENTRYP PFNGLGENTEXTURESPROC) (GLsizei n, GLuint *textures);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glDrawElements (GLenum mode, GLsizei count, GLenum type, const void *indices);
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GLAPI void APIENTRY glBindTexture (GLenum target, GLuint texture);
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GLAPI void APIENTRY glDeleteTextures (GLsizei n, const GLuint *textures);
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GLAPI void APIENTRY glGenTextures (GLsizei n, GLuint *textures);
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#endif
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#endif /* GL_VERSION_1_1 */
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#ifndef GL_VERSION_1_3
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#define GL_TEXTURE0 0x84C0
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#define GL_ACTIVE_TEXTURE 0x84E0
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typedef void (APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glActiveTexture (GLenum texture);
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#endif
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#endif /* GL_VERSION_1_3 */
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#ifndef GL_VERSION_1_4
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#define GL_BLEND_DST_RGB 0x80C8
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#define GL_BLEND_SRC_RGB 0x80C9
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#define GL_BLEND_DST_ALPHA 0x80CA
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#define GL_BLEND_SRC_ALPHA 0x80CB
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#define GL_FUNC_ADD 0x8006
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typedef void (APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
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typedef void (APIENTRYP PFNGLBLENDEQUATIONPROC) (GLenum mode);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBlendFuncSeparate (GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
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GLAPI void APIENTRY glBlendEquation (GLenum mode);
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#endif
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#endif /* GL_VERSION_1_4 */
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#ifndef GL_VERSION_1_5
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typedef khronos_ssize_t GLsizeiptr;
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typedef khronos_intptr_t GLintptr;
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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_ARRAY_BUFFER_BINDING 0x8894
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#define GL_STREAM_DRAW 0x88E0
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typedef void (APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
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typedef void (APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint *buffers);
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typedef void (APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
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typedef void (APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBindBuffer (GLenum target, GLuint buffer);
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GLAPI void APIENTRY glDeleteBuffers (GLsizei n, const GLuint *buffers);
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GLAPI void APIENTRY glGenBuffers (GLsizei n, GLuint *buffers);
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GLAPI void APIENTRY glBufferData (GLenum target, GLsizeiptr size, const void *data, GLenum usage);
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#endif
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#endif /* GL_VERSION_1_5 */
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#ifndef GL_VERSION_2_0
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typedef char GLchar;
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typedef khronos_int16_t GLshort;
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typedef khronos_int8_t GLbyte;
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typedef khronos_uint16_t GLushort;
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#define GL_BLEND_EQUATION_RGB 0x8009
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#define GL_BLEND_EQUATION_ALPHA 0x883D
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#define GL_FRAGMENT_SHADER 0x8B30
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#define GL_VERTEX_SHADER 0x8B31
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#define GL_COMPILE_STATUS 0x8B81
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#define GL_LINK_STATUS 0x8B82
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#define GL_INFO_LOG_LENGTH 0x8B84
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#define GL_CURRENT_PROGRAM 0x8B8D
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#define GL_UPPER_LEFT 0x8CA2
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typedef void (APIENTRYP PFNGLBLENDEQUATIONSEPARATEPROC) (GLenum modeRGB, GLenum modeAlpha);
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typedef void (APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
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typedef void (APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader);
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typedef GLuint (APIENTRYP PFNGLCREATEPROGRAMPROC) (void);
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typedef GLuint (APIENTRYP PFNGLCREATESHADERPROC) (GLenum type);
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typedef void (APIENTRYP PFNGLDELETEPROGRAMPROC) (GLuint program);
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typedef void (APIENTRYP PFNGLDELETESHADERPROC) (GLuint shader);
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typedef void (APIENTRYP PFNGLDETACHSHADERPROC) (GLuint program, GLuint shader);
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typedef void (APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
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typedef GLint (APIENTRYP PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name);
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typedef void (APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params);
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typedef void (APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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typedef void (APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
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typedef void (APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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typedef GLint (APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
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typedef void (APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
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typedef void (APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
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typedef void (APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program);
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typedef void (APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint v0);
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typedef void (APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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typedef void (APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBlendEquationSeparate (GLenum modeRGB, GLenum modeAlpha);
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GLAPI void APIENTRY glAttachShader (GLuint program, GLuint shader);
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GLAPI void APIENTRY glCompileShader (GLuint shader);
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GLAPI GLuint APIENTRY glCreateProgram (void);
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GLAPI GLuint APIENTRY glCreateShader (GLenum type);
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GLAPI void APIENTRY glDeleteProgram (GLuint program);
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GLAPI void APIENTRY glDeleteShader (GLuint shader);
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GLAPI void APIENTRY glDetachShader (GLuint program, GLuint shader);
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GLAPI void APIENTRY glEnableVertexAttribArray (GLuint index);
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GLAPI GLint APIENTRY glGetAttribLocation (GLuint program, const GLchar *name);
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GLAPI void APIENTRY glGetProgramiv (GLuint program, GLenum pname, GLint *params);
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GLAPI void APIENTRY glGetProgramInfoLog (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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GLAPI void APIENTRY glGetShaderiv (GLuint shader, GLenum pname, GLint *params);
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GLAPI void APIENTRY glGetShaderInfoLog (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
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GLAPI GLint APIENTRY glGetUniformLocation (GLuint program, const GLchar *name);
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GLAPI void APIENTRY glLinkProgram (GLuint program);
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GLAPI void APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length);
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GLAPI void APIENTRY glUseProgram (GLuint program);
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GLAPI void APIENTRY glUniform1i (GLint location, GLint v0);
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GLAPI void APIENTRY glUniformMatrix4fv (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
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GLAPI void APIENTRY glVertexAttribPointer (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer);
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#endif
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#endif /* GL_VERSION_2_0 */
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#ifndef GL_VERSION_3_0
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typedef khronos_uint16_t GLhalf;
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#define GL_MAJOR_VERSION 0x821B
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#define GL_MINOR_VERSION 0x821C
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#define GL_NUM_EXTENSIONS 0x821D
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#define GL_FRAMEBUFFER_SRGB 0x8DB9
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#define GL_VERTEX_ARRAY_BINDING 0x85B5
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typedef void (APIENTRYP PFNGLGETBOOLEANI_VPROC) (GLenum target, GLuint index, GLboolean *data);
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typedef void (APIENTRYP PFNGLGETINTEGERI_VPROC) (GLenum target, GLuint index, GLint *data);
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typedef const GLubyte *(APIENTRYP PFNGLGETSTRINGIPROC) (GLenum name, GLuint index);
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typedef void (APIENTRYP PFNGLBINDVERTEXARRAYPROC) (GLuint array);
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typedef void (APIENTRYP PFNGLDELETEVERTEXARRAYSPROC) (GLsizei n, const GLuint *arrays);
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typedef void (APIENTRYP PFNGLGENVERTEXARRAYSPROC) (GLsizei n, GLuint *arrays);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI const GLubyte *APIENTRY glGetStringi (GLenum name, GLuint index);
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GLAPI void APIENTRY glBindVertexArray (GLuint array);
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GLAPI void APIENTRY glDeleteVertexArrays (GLsizei n, const GLuint *arrays);
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GLAPI void APIENTRY glGenVertexArrays (GLsizei n, GLuint *arrays);
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#endif
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#endif /* GL_VERSION_3_0 */
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#ifndef GL_VERSION_3_1
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#define GL_VERSION_3_1 1
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#define GL_PRIMITIVE_RESTART 0x8F9D
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#endif /* GL_VERSION_3_1 */
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#ifndef GL_VERSION_3_2
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#define GL_VERSION_3_2 1
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typedef struct __GLsync *GLsync;
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typedef khronos_uint64_t GLuint64;
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typedef khronos_int64_t GLint64;
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typedef void (APIENTRYP PFNGLDRAWELEMENTSBASEVERTEXPROC) (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
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typedef void (APIENTRYP PFNGLGETINTEGER64I_VPROC) (GLenum target, GLuint index, GLint64 *data);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glDrawElementsBaseVertex (GLenum mode, GLsizei count, GLenum type, const void *indices, GLint basevertex);
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#endif
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#endif /* GL_VERSION_3_2 */
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#ifndef GL_VERSION_3_3
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#define GL_VERSION_3_3 1
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#define GL_SAMPLER_BINDING 0x8919
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typedef void (APIENTRYP PFNGLBINDSAMPLERPROC) (GLuint unit, GLuint sampler);
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#ifdef GL_GLEXT_PROTOTYPES
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GLAPI void APIENTRY glBindSampler (GLuint unit, GLuint sampler);
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#endif
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#endif /* GL_VERSION_3_3 */
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#ifndef GL_VERSION_4_1
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typedef void (APIENTRYP PFNGLGETFLOATI_VPROC) (GLenum target, GLuint index, GLfloat *data);
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typedef void (APIENTRYP PFNGLGETDOUBLEI_VPROC) (GLenum target, GLuint index, GLdouble *data);
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#endif /* GL_VERSION_4_1 */
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#ifndef GL_VERSION_4_3
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typedef void (APIENTRY *GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
|
|
#endif /* GL_VERSION_4_3 */
|
|
#ifndef GL_VERSION_4_5
|
|
#define GL_CLIP_ORIGIN 0x935C
|
|
typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint *param);
|
|
typedef void (APIENTRYP PFNGLGETTRANSFORMFEEDBACKI64_VPROC) (GLuint xfb, GLenum pname, GLuint index, GLint64 *param);
|
|
#endif /* GL_VERSION_4_5 */
|
|
#ifndef GL_ARB_bindless_texture
|
|
typedef khronos_uint64_t GLuint64EXT;
|
|
#endif /* GL_ARB_bindless_texture */
|
|
#ifndef GL_ARB_cl_event
|
|
struct _cl_context;
|
|
struct _cl_event;
|
|
#endif /* GL_ARB_cl_event */
|
|
#ifndef GL_ARB_clip_control
|
|
#define GL_ARB_clip_control 1
|
|
#endif /* GL_ARB_clip_control */
|
|
#ifndef GL_ARB_debug_output
|
|
typedef void (APIENTRY *GLDEBUGPROCARB)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
|
|
#endif /* GL_ARB_debug_output */
|
|
#ifndef GL_EXT_EGL_image_storage
|
|
typedef void *GLeglImageOES;
|
|
#endif /* GL_EXT_EGL_image_storage */
|
|
#ifndef GL_EXT_direct_state_access
|
|
typedef void (APIENTRYP PFNGLGETFLOATI_VEXTPROC) (GLenum pname, GLuint index, GLfloat *params);
|
|
typedef void (APIENTRYP PFNGLGETDOUBLEI_VEXTPROC) (GLenum pname, GLuint index, GLdouble *params);
|
|
typedef void (APIENTRYP PFNGLGETPOINTERI_VEXTPROC) (GLenum pname, GLuint index, void **params);
|
|
typedef void (APIENTRYP PFNGLGETVERTEXARRAYINTEGERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, GLint *param);
|
|
typedef void (APIENTRYP PFNGLGETVERTEXARRAYPOINTERI_VEXTPROC) (GLuint vaobj, GLuint index, GLenum pname, void **param);
|
|
#endif /* GL_EXT_direct_state_access */
|
|
#ifndef GL_NV_draw_vulkan_image
|
|
typedef void (APIENTRY *GLVULKANPROCNV)(void);
|
|
#endif /* GL_NV_draw_vulkan_image */
|
|
#ifndef GL_NV_gpu_shader5
|
|
typedef khronos_int64_t GLint64EXT;
|
|
#endif /* GL_NV_gpu_shader5 */
|
|
#ifndef GL_NV_vertex_buffer_unified_memory
|
|
typedef void (APIENTRYP PFNGLGETINTEGERUI64I_VNVPROC) (GLenum value, GLuint index, GLuint64EXT *result);
|
|
#endif /* GL_NV_vertex_buffer_unified_memory */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef GL3W_API
|
|
#define GL3W_API
|
|
#endif
|
|
|
|
#ifndef __gl_h_
|
|
#define __gl_h_
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define GL3W_OK 0
|
|
#define GL3W_ERROR_INIT -1
|
|
#define GL3W_ERROR_LIBRARY_OPEN -2
|
|
#define GL3W_ERROR_OPENGL_VERSION -3
|
|
|
|
typedef void (*GL3WglProc)(void);
|
|
typedef GL3WglProc (*GL3WGetProcAddressProc)(const char *proc);
|
|
|
|
/* gl3w api */
|
|
GL3W_API int imgl3wInit(void);
|
|
GL3W_API int imgl3wInit2(GL3WGetProcAddressProc proc);
|
|
GL3W_API int imgl3wIsSupported(int major, int minor);
|
|
GL3W_API GL3WglProc imgl3wGetProcAddress(const char *proc);
|
|
|
|
/* gl3w internal state */
|
|
union GL3WProcs {
|
|
GL3WglProc ptr[52];
|
|
struct {
|
|
PFNGLACTIVETEXTUREPROC ActiveTexture;
|
|
PFNGLATTACHSHADERPROC AttachShader;
|
|
PFNGLBINDBUFFERPROC BindBuffer;
|
|
PFNGLBINDSAMPLERPROC BindSampler;
|
|
PFNGLBINDTEXTUREPROC BindTexture;
|
|
PFNGLBINDVERTEXARRAYPROC BindVertexArray;
|
|
PFNGLBLENDEQUATIONPROC BlendEquation;
|
|
PFNGLBLENDEQUATIONSEPARATEPROC BlendEquationSeparate;
|
|
PFNGLBLENDFUNCSEPARATEPROC BlendFuncSeparate;
|
|
PFNGLBUFFERDATAPROC BufferData;
|
|
PFNGLCLEARPROC Clear;
|
|
PFNGLCLEARCOLORPROC ClearColor;
|
|
PFNGLCOMPILESHADERPROC CompileShader;
|
|
PFNGLCREATEPROGRAMPROC CreateProgram;
|
|
PFNGLCREATESHADERPROC CreateShader;
|
|
PFNGLDELETEBUFFERSPROC DeleteBuffers;
|
|
PFNGLDELETEPROGRAMPROC DeleteProgram;
|
|
PFNGLDELETESHADERPROC DeleteShader;
|
|
PFNGLDELETETEXTURESPROC DeleteTextures;
|
|
PFNGLDELETEVERTEXARRAYSPROC DeleteVertexArrays;
|
|
PFNGLDETACHSHADERPROC DetachShader;
|
|
PFNGLDISABLEPROC Disable;
|
|
PFNGLDRAWELEMENTSPROC DrawElements;
|
|
PFNGLDRAWELEMENTSBASEVERTEXPROC DrawElementsBaseVertex;
|
|
PFNGLENABLEPROC Enable;
|
|
PFNGLENABLEVERTEXATTRIBARRAYPROC EnableVertexAttribArray;
|
|
PFNGLGENBUFFERSPROC GenBuffers;
|
|
PFNGLGENTEXTURESPROC GenTextures;
|
|
PFNGLGENVERTEXARRAYSPROC GenVertexArrays;
|
|
PFNGLGETATTRIBLOCATIONPROC GetAttribLocation;
|
|
PFNGLGETINTEGERVPROC GetIntegerv;
|
|
PFNGLGETPROGRAMINFOLOGPROC GetProgramInfoLog;
|
|
PFNGLGETPROGRAMIVPROC GetProgramiv;
|
|
PFNGLGETSHADERINFOLOGPROC GetShaderInfoLog;
|
|
PFNGLGETSHADERIVPROC GetShaderiv;
|
|
PFNGLGETSTRINGPROC GetString;
|
|
PFNGLGETSTRINGIPROC GetStringi;
|
|
PFNGLGETUNIFORMLOCATIONPROC GetUniformLocation;
|
|
PFNGLISENABLEDPROC IsEnabled;
|
|
PFNGLLINKPROGRAMPROC LinkProgram;
|
|
PFNGLPIXELSTOREIPROC PixelStorei;
|
|
PFNGLPOLYGONMODEPROC PolygonMode;
|
|
PFNGLREADPIXELSPROC ReadPixels;
|
|
PFNGLSCISSORPROC Scissor;
|
|
PFNGLSHADERSOURCEPROC ShaderSource;
|
|
PFNGLTEXIMAGE2DPROC TexImage2D;
|
|
PFNGLTEXPARAMETERIPROC TexParameteri;
|
|
PFNGLUNIFORM1IPROC Uniform1i;
|
|
PFNGLUNIFORMMATRIX4FVPROC UniformMatrix4fv;
|
|
PFNGLUSEPROGRAMPROC UseProgram;
|
|
PFNGLVERTEXATTRIBPOINTERPROC VertexAttribPointer;
|
|
PFNGLVIEWPORTPROC Viewport;
|
|
} gl;
|
|
};
|
|
|
|
GL3W_API extern union GL3WProcs gl3wProcs;
|
|
|
|
/* OpenGL functions */
|
|
#define glActiveTexture gl3wProcs.gl.ActiveTexture
|
|
#define glAttachShader gl3wProcs.gl.AttachShader
|
|
#define glBindBuffer gl3wProcs.gl.BindBuffer
|
|
#define glBindSampler gl3wProcs.gl.BindSampler
|
|
#define glBindTexture gl3wProcs.gl.BindTexture
|
|
#define glBindVertexArray gl3wProcs.gl.BindVertexArray
|
|
#define glBlendEquation gl3wProcs.gl.BlendEquation
|
|
#define glBlendEquationSeparate gl3wProcs.gl.BlendEquationSeparate
|
|
#define glBlendFuncSeparate gl3wProcs.gl.BlendFuncSeparate
|
|
#define glBufferData gl3wProcs.gl.BufferData
|
|
#define glClear gl3wProcs.gl.Clear
|
|
#define glClearColor gl3wProcs.gl.ClearColor
|
|
#define glCompileShader gl3wProcs.gl.CompileShader
|
|
#define glCreateProgram gl3wProcs.gl.CreateProgram
|
|
#define glCreateShader gl3wProcs.gl.CreateShader
|
|
#define glDeleteBuffers gl3wProcs.gl.DeleteBuffers
|
|
#define glDeleteProgram gl3wProcs.gl.DeleteProgram
|
|
#define glDeleteShader gl3wProcs.gl.DeleteShader
|
|
#define glDeleteTextures gl3wProcs.gl.DeleteTextures
|
|
#define glDeleteVertexArrays gl3wProcs.gl.DeleteVertexArrays
|
|
#define glDetachShader gl3wProcs.gl.DetachShader
|
|
#define glDisable gl3wProcs.gl.Disable
|
|
#define glDrawElements gl3wProcs.gl.DrawElements
|
|
#define glDrawElementsBaseVertex gl3wProcs.gl.DrawElementsBaseVertex
|
|
#define glEnable gl3wProcs.gl.Enable
|
|
#define glEnableVertexAttribArray gl3wProcs.gl.EnableVertexAttribArray
|
|
#define glGenBuffers gl3wProcs.gl.GenBuffers
|
|
#define glGenTextures gl3wProcs.gl.GenTextures
|
|
#define glGenVertexArrays gl3wProcs.gl.GenVertexArrays
|
|
#define glGetAttribLocation gl3wProcs.gl.GetAttribLocation
|
|
#define glGetIntegerv gl3wProcs.gl.GetIntegerv
|
|
#define glGetProgramInfoLog gl3wProcs.gl.GetProgramInfoLog
|
|
#define glGetProgramiv gl3wProcs.gl.GetProgramiv
|
|
#define glGetShaderInfoLog gl3wProcs.gl.GetShaderInfoLog
|
|
#define glGetShaderiv gl3wProcs.gl.GetShaderiv
|
|
#define glGetString gl3wProcs.gl.GetString
|
|
#define glGetStringi gl3wProcs.gl.GetStringi
|
|
#define glGetUniformLocation gl3wProcs.gl.GetUniformLocation
|
|
#define glIsEnabled gl3wProcs.gl.IsEnabled
|
|
#define glLinkProgram gl3wProcs.gl.LinkProgram
|
|
#define glPixelStorei gl3wProcs.gl.PixelStorei
|
|
#define glPolygonMode gl3wProcs.gl.PolygonMode
|
|
#define glReadPixels gl3wProcs.gl.ReadPixels
|
|
#define glScissor gl3wProcs.gl.Scissor
|
|
#define glShaderSource gl3wProcs.gl.ShaderSource
|
|
#define glTexImage2D gl3wProcs.gl.TexImage2D
|
|
#define glTexParameteri gl3wProcs.gl.TexParameteri
|
|
#define glUniform1i gl3wProcs.gl.Uniform1i
|
|
#define glUniformMatrix4fv gl3wProcs.gl.UniformMatrix4fv
|
|
#define glUseProgram gl3wProcs.gl.UseProgram
|
|
#define glVertexAttribPointer gl3wProcs.gl.VertexAttribPointer
|
|
#define glViewport gl3wProcs.gl.Viewport
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#ifdef IMGL3W_IMPL
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
|
|
|
#if defined(_WIN32)
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN 1
|
|
#endif
|
|
#include <windows.h>
|
|
|
|
static HMODULE libgl;
|
|
typedef PROC(__stdcall* GL3WglGetProcAddr)(LPCSTR);
|
|
static GL3WglGetProcAddr wgl_get_proc_address;
|
|
|
|
static int open_libgl(void)
|
|
{
|
|
libgl = LoadLibraryA("opengl32.dll");
|
|
if (!libgl)
|
|
return GL3W_ERROR_LIBRARY_OPEN;
|
|
wgl_get_proc_address = (GL3WglGetProcAddr)GetProcAddress(libgl, "wglGetProcAddress");
|
|
return GL3W_OK;
|
|
}
|
|
|
|
static void close_libgl(void) { FreeLibrary(libgl); }
|
|
static GL3WglProc get_proc(const char *proc)
|
|
{
|
|
GL3WglProc res;
|
|
res = (GL3WglProc)wgl_get_proc_address(proc);
|
|
if (!res)
|
|
res = (GL3WglProc)GetProcAddress(libgl, proc);
|
|
return res;
|
|
}
|
|
#elif defined(__APPLE__)
|
|
#include <dlfcn.h>
|
|
|
|
static void *libgl;
|
|
static int open_libgl(void)
|
|
{
|
|
libgl = dlopen("/System/Library/Frameworks/OpenGL.framework/OpenGL", RTLD_LAZY | RTLD_LOCAL);
|
|
if (!libgl)
|
|
return GL3W_ERROR_LIBRARY_OPEN;
|
|
return GL3W_OK;
|
|
}
|
|
|
|
static void close_libgl(void) { dlclose(libgl); }
|
|
|
|
static GL3WglProc get_proc(const char *proc)
|
|
{
|
|
GL3WglProc res;
|
|
*(void **)(&res) = dlsym(libgl, proc);
|
|
return res;
|
|
}
|
|
#else
|
|
#include <dlfcn.h>
|
|
|
|
static void *libgl;
|
|
static GL3WglProc (*glx_get_proc_address)(const GLubyte *);
|
|
|
|
static int open_libgl(void)
|
|
{
|
|
libgl = dlopen("libGL.so.1", RTLD_LAZY | RTLD_LOCAL);
|
|
if (!libgl)
|
|
return GL3W_ERROR_LIBRARY_OPEN;
|
|
*(void **)(&glx_get_proc_address) = dlsym(libgl, "glXGetProcAddressARB");
|
|
return GL3W_OK;
|
|
}
|
|
|
|
static void close_libgl(void) { dlclose(libgl); }
|
|
|
|
static GL3WglProc get_proc(const char *proc)
|
|
{
|
|
GL3WglProc res;
|
|
res = glx_get_proc_address((const GLubyte *)proc);
|
|
if (!res)
|
|
*(void **)(&res) = dlsym(libgl, proc);
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
static struct { int major, minor; } version;
|
|
|
|
static int parse_version(void)
|
|
{
|
|
if (!glGetIntegerv)
|
|
return GL3W_ERROR_INIT;
|
|
glGetIntegerv(GL_MAJOR_VERSION, &version.major);
|
|
glGetIntegerv(GL_MINOR_VERSION, &version.minor);
|
|
if (version.major < 3)
|
|
return GL3W_ERROR_OPENGL_VERSION;
|
|
return GL3W_OK;
|
|
}
|
|
|
|
static void load_procs(GL3WGetProcAddressProc proc);
|
|
|
|
int imgl3wInit(void)
|
|
{
|
|
int res = open_libgl();
|
|
if (res)
|
|
return res;
|
|
atexit(close_libgl);
|
|
return imgl3wInit2(get_proc);
|
|
}
|
|
|
|
int imgl3wInit2(GL3WGetProcAddressProc proc)
|
|
{
|
|
load_procs(proc);
|
|
return parse_version();
|
|
}
|
|
|
|
int imgl3wIsSupported(int major, int minor)
|
|
{
|
|
if (major < 3)
|
|
return 0;
|
|
if (version.major == major)
|
|
return version.minor >= minor;
|
|
return version.major >= major;
|
|
}
|
|
|
|
GL3WglProc imgl3wGetProcAddress(const char *proc) { return get_proc(proc); }
|
|
|
|
static const char *proc_names[] = {
|
|
"glActiveTexture",
|
|
"glAttachShader",
|
|
"glBindBuffer",
|
|
"glBindSampler",
|
|
"glBindTexture",
|
|
"glBindVertexArray",
|
|
"glBlendEquation",
|
|
"glBlendEquationSeparate",
|
|
"glBlendFuncSeparate",
|
|
"glBufferData",
|
|
"glClear",
|
|
"glClearColor",
|
|
"glCompileShader",
|
|
"glCreateProgram",
|
|
"glCreateShader",
|
|
"glDeleteBuffers",
|
|
"glDeleteProgram",
|
|
"glDeleteShader",
|
|
"glDeleteTextures",
|
|
"glDeleteVertexArrays",
|
|
"glDetachShader",
|
|
"glDisable",
|
|
"glDrawElements",
|
|
"glDrawElementsBaseVertex",
|
|
"glEnable",
|
|
"glEnableVertexAttribArray",
|
|
"glGenBuffers",
|
|
"glGenTextures",
|
|
"glGenVertexArrays",
|
|
"glGetAttribLocation",
|
|
"glGetIntegerv",
|
|
"glGetProgramInfoLog",
|
|
"glGetProgramiv",
|
|
"glGetShaderInfoLog",
|
|
"glGetShaderiv",
|
|
"glGetString",
|
|
"glGetStringi",
|
|
"glGetUniformLocation",
|
|
"glIsEnabled",
|
|
"glLinkProgram",
|
|
"glPixelStorei",
|
|
"glPolygonMode",
|
|
"glReadPixels",
|
|
"glScissor",
|
|
"glShaderSource",
|
|
"glTexImage2D",
|
|
"glTexParameteri",
|
|
"glUniform1i",
|
|
"glUniformMatrix4fv",
|
|
"glUseProgram",
|
|
"glVertexAttribPointer",
|
|
"glViewport",
|
|
};
|
|
|
|
GL3W_API union GL3WProcs gl3wProcs;
|
|
|
|
static void load_procs(GL3WGetProcAddressProc proc)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < ARRAY_SIZE(proc_names); i++)
|
|
gl3wProcs.ptr[i] = proc(proc_names[i]);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|