mirror of https://gitlab.freedesktop.org/mesa/mesa
120 lines
3.8 KiB
C
120 lines
3.8 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2022 Yongang Luo All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS 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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/**
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* \file glheader.h
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* Wrapper for GL/gl*.h and GLES[3|2|]/gl*.h
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*/
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#ifndef GLHEADER_H
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#define GLHEADER_H
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#define GL_GLEXT_PROTOTYPES
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#if defined(_WIN32) && !defined(__CYGWIN__)
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/* Prevent glheader.h from including <windows.h> by defining APIENTRY */
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#pragma push_macro("APIENTRY")
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#ifndef APIENTRY
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#define APIENTRY GLAPIENTRY
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#endif
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#include "GL/gl.h"
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#include "GL/glext.h"
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#pragma pop_macro("APIENTRY")
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#else /* !(defined(_WIN32) && !defined(__CYGWIN__)) */
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#include "GL/gl.h"
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#include "GL/glext.h"
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#endif /* defined(_WIN32) && !defined(__CYGWIN__) */
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/**
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* Define GL_API, GL_APICALL and GL_APIENTRY to avoid MSVC/MinGW warnings
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* about different dllimport attributes for prototypes between
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* GL/gl*.h and GLES[|3|2]/gl*.h
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*/
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#define GL_API GLAPI
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#define GL_APICALL GLAPI
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#define GL_APIENTRY GLAPIENTRY
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/**
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* The order for including GLES[|3|2]/gl*.h headers are from newest to oldest.
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* As the newer header contains extra symbols that are not present in the
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* older header, some extra symbols can be visible only when you include the
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* newer header first; otherwise, if the older header is included first, some
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* extra symbols will be hidden by the older header.
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* For example, suppose we move the inclusion of GLES/gl*.h to the front,
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* then GL_SAMPLER_EXTERNAL_OES will not be present and cause compiling error.
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*/
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#include "GLES3/gl3.h"
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#include "GLES3/gl31.h"
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#include "GLES3/gl32.h"
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#include "GLES3/gl3ext.h"
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#include "GLES2/gl2.h"
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#include "GLES2/gl2ext.h"
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#include "GLES/gl.h"
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#include "GLES/glext.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Custom Mesa types to save space. */
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typedef unsigned char GLenum8; /* only for primitive modes */
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typedef unsigned short GLenum16;
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typedef unsigned char GLbitfield8;
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typedef unsigned short GLbitfield16;
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typedef GLuint64 GLbitfield64;
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/* This is for packing the GL index type. The reason it's a structure is that
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* we don't want it to be used as integer accidentally.
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*/
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typedef struct {
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unsigned char value;
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} GLindextype;
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/* There is no formal spec for the following extension. */
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#ifndef GL_ATI_texture_compression_3dc
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#define GL_ATI_texture_compression_3dc 1
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#define GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI 0x8837
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#endif
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/**
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* Internal token to represent a GLSL shader program (a collection of
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* one or more shaders that get linked together). Note that GLSL
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* shaders and shader programs share one name space (one hash table)
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* so we need a value that's different from any of the
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* GL_VERTEX/FRAGMENT/GEOMETRY_PROGRAM tokens.
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*/
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#define GL_SHADER_PROGRAM_MESA 0x9999
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#ifdef __cplusplus
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}
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#endif
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#endif /* GLHEADER_H */
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