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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/* This file is based on Mesa 3-D's gl.h and GLES/gl.h from Khronos Registry.
*
* Mesa 3-D's gl.h file is distributed under the following license:
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*
* GLES/gl.h from Khronos Registry is distributed under the following license:
* This document is licensed under the SGI Free Software B License Version
* 2.0. For details, see http://oss.sgi.com/projects/FreeB/ .
*/
#ifndef BACKENDS_GRAPHICS_OPENGL_OPENGL_DEFS_H
#define BACKENDS_GRAPHICS_OPENGL_OPENGL_DEFS_H
#include "common/scummsys.h"
/*
* Datatypes
*/
typedef uint GLenum;
typedef uint8 GLboolean;
typedef uint GLbitfield;
typedef void GLvoid;
typedef int8 GLbyte; /* 1-byte signed */
typedef int16 GLshort; /* 2-byte signed */
typedef int32 GLint; /* 4-byte signed */
typedef uint8 GLubyte; /* 1-byte unsigned */
typedef uint16 GLushort; /* 2-byte unsigned */
typedef uint32 GLuint; /* 4-byte unsigned */
typedef int32 GLsizei; /* 4-byte signed */
typedef float GLfloat; /* single precision float */
typedef float GLclampf; /* single precision float in [0,1] */
typedef double GLdouble; /* double precision float */
typedef double GLclampd; /* double precision float in [0,1] */
typedef char GLchar;
#if defined(MACOSX)
typedef void *GLhandleARB;
#else
typedef uint GLhandleARB;
#endif
// This is an addition from us to alias ARB shader object extensions to
// OpenGL (ES) 2.0 style functions. It only works when GLhandleARB and GLuint
// are type compatible.
typedef GLhandleARB GLprogram;
typedef GLhandleARB GLshader;
/*
* Constants
*/
/* Boolean constants */
#define GL_FALSE 0
#define GL_TRUE 1
/* StringName */
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_VERSION 0x1F02
#define GL_EXTENSIONS 0x1F03
/* ErrorCode */
#define GL_NO_ERROR 0
#define GL_INVALID_ENUM 0x0500
#define GL_INVALID_VALUE 0x0501
#define GL_INVALID_OPERATION 0x0502
#define GL_STACK_OVERFLOW 0x0503
#define GL_STACK_UNDERFLOW 0x0504
#define GL_OUT_OF_MEMORY 0x0505
/* ClearBufferMask */
#define GL_DEPTH_BUFFER_BIT 0x00000100
#define GL_STENCIL_BUFFER_BIT 0x00000400
#define GL_COLOR_BUFFER_BIT 0x00004000
/* Scissor box */
#define GL_SCISSOR_BOX 0x0C10
#define GL_SCISSOR_TEST 0x0C11
/* MatrixMode */
#define GL_MATRIX_MODE 0x0BA0
#define GL_MODELVIEW 0x1700
#define GL_PROJECTION 0x1701
#define GL_TEXTURE 0x1702
/* EnableCap */
#define GL_FOG 0x0B60
#define GL_LIGHTING 0x0B50
#define GL_TEXTURE_2D 0x0DE1
#define GL_CULL_FACE 0x0B44
#define GL_ALPHA_TEST 0x0BC0
#define GL_BLEND 0x0BE2
#define GL_DITHER 0x0BD0
#define GL_DEPTH_TEST 0x0B71
#define GL_VERTEX_ARRAY 0x8074
#define GL_COLOR_ARRAY 0x8076
#define GL_TEXTURE_COORD_ARRAY 0x8078
/* ShadingModel */
#define GL_FLAT 0x1D00
#define GL_SMOOTH 0x1D01
/* HintMode */
#define GL_DONT_CARE 0x1100
#define GL_FASTEST 0x1101
#define GL_NICEST 0x1102
/* HintTarget */
#define GL_PERSPECTIVE_CORRECTION_HINT 0x0C50
#define GL_POINT_SMOOTH_HINT 0x0C51
#define GL_LINE_SMOOTH_HINT 0x0C52
#define GL_FOG_HINT 0x0C54
#define GL_GENERATE_MIPMAP_HINT 0x8192
/* BlendingFactorDest */
#define GL_ZERO 0
#define GL_ONE 1
#define GL_SRC_COLOR 0x0300
#define GL_ONE_MINUS_SRC_COLOR 0x0301
#define GL_SRC_ALPHA 0x0302
#define GL_ONE_MINUS_SRC_ALPHA 0x0303
#define GL_DST_ALPHA 0x0304
#define GL_ONE_MINUS_DST_ALPHA 0x0305
/* BlendingFactorSrc */
/* GL_ZERO */
/* GL_ONE */
#define GL_DST_COLOR 0x0306
#define GL_ONE_MINUS_DST_COLOR 0x0307
#define GL_SRC_ALPHA_SATURATE 0x0308
/* GL_SRC_ALPHA */
/* GL_ONE_MINUS_SRC_ALPHA */
/* GL_DST_ALPHA */
/* GL_ONE_MINUS_DST_ALPHA */
/* PixelFormat */
#define GL_ALPHA 0x1906
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#define GL_BGR 0x80E0
#define GL_BGRA 0x80E1
#define GL_RED 0x1903
#define GL_R8 0x8229
/* PixelStoreParameter */
#define GL_UNPACK_ALIGNMENT 0x0CF5
#define GL_PACK_ALIGNMENT 0x0D05
/* DataType */
#define GL_BYTE 0x1400
#define GL_UNSIGNED_BYTE 0x1401
#define GL_SHORT 0x1402
#define GL_UNSIGNED_SHORT 0x1403
#define GL_FLOAT 0x1406
#define GL_FIXED 0x140C
/* PixelType */
/* GL_UNSIGNED_BYTE */
#define GL_UNSIGNED_SHORT_4_4_4_4 0x8033
#define GL_UNSIGNED_SHORT_5_5_5_1 0x8034
#define GL_UNSIGNED_SHORT_5_6_5 0x8363
#define GL_UNSIGNED_SHORT_4_4_4_4_REV 0x8365
#define GL_UNSIGNED_SHORT_5_6_5_REV 0x8364
#define GL_UNSIGNED_SHORT_1_5_5_5_REV 0x8366
#define GL_UNSIGNED_INT_8_8_8_8 0x8035
#define GL_UNSIGNED_INT_8_8_8_8_REV 0x8367
/* Implementation limits */
#define GL_MAX_TEXTURE_SIZE 0x0D33
/* TextureMagFilter */
#define GL_NEAREST 0x2600
#define GL_LINEAR 0x2601
/* TextureParameterName */
#define GL_TEXTURE_MAG_FILTER 0x2800
#define GL_TEXTURE_MIN_FILTER 0x2801
#define GL_TEXTURE_WRAP_S 0x2802
#define GL_TEXTURE_WRAP_T 0x2803
/* TextureWrapMode */
#define GL_REPEAT 0x2901
#define GL_CLAMP_TO_EDGE 0x812F
/* BeginMode */
#define GL_POINTS 0x0000
#define GL_LINES 0x0001
#define GL_LINE_LOOP 0x0002
#define GL_LINE_STRIP 0x0003
#define GL_TRIANGLES 0x0004
#define GL_TRIANGLE_STRIP 0x0005
#define GL_TRIANGLE_FAN 0x0006
/* Shaders */
#define GL_FRAGMENT_SHADER 0x8B30
#define GL_VERTEX_SHADER 0x8B31
/* Programs */
#define GL_COMPILE_STATUS 0x8B81
#define GL_LINK_STATUS 0x8B82
#define GL_INFO_LOG_LENGTH 0x8B84
#define GL_CURRENT_PROGRAM 0x8B8D
/* Textures */
#define GL_TEXTURE0 0x84C0
#define GL_TEXTURE1 0x84C1
/* GetPName */
#define GL_VIEWPORT 0x0BA2
#define GL_FRAMEBUFFER_BINDING 0x8CA6
/* Framebuffer objects */
#define GL_COLOR_ATTACHMENT0 0x8CE0
#define GL_FRAMEBUFFER 0x8D40
#endif
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