diff options
Diffstat (limited to 'backends/graphics/opengl/opengl-defs.h')
| -rw-r--r-- | backends/graphics/opengl/opengl-defs.h | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/backends/graphics/opengl/opengl-defs.h b/backends/graphics/opengl/opengl-defs.h new file mode 100644 index 0000000000..733fc2933c --- /dev/null +++ b/backends/graphics/opengl/opengl-defs.h @@ -0,0 +1,262 @@ +/* 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 |