191 lines
7 KiB
C++
191 lines
7 KiB
C++
/* Emacs style mode select -*- C++ -*-
|
|
*-----------------------------------------------------------------------------
|
|
*
|
|
*
|
|
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
|
|
* based on BOOM, a modified and improved DOOM engine
|
|
* Copyright (C) 1999 by
|
|
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
|
|
* Copyright (C) 1999-2000 by
|
|
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
|
|
* Copyright 2005, 2006 by
|
|
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
|
|
*
|
|
* 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., 59 Temple Place - Suite 330, Boston, MA
|
|
* 02111-1307, USA.
|
|
*
|
|
* DESCRIPTION:
|
|
* Thanks Roman "Vortex" Marchenko
|
|
*---------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef _GL_OPENGL_H
|
|
#define _GL_OPENGL_H
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#define USE_VERTEX_ARRAYS
|
|
//#define USE_VBO
|
|
|
|
#include <SDL.h>
|
|
#include <SDL_opengl.h>
|
|
|
|
#if SDL_VERSION_ATLEAST(1, 3, 0)
|
|
#if defined(__MACOSX__)
|
|
#include <OpenGL/gl.h> /* Header File For The OpenGL Library */
|
|
#include <OpenGL/glu.h> /* Header File For The GLU Library */
|
|
#elif defined(__MACOS__)
|
|
#include <gl.h> /* Header File For The OpenGL Library */
|
|
#include <glu.h> /* Header File For The GLU Library */
|
|
#else
|
|
#include <GL/gl.h> /* Header File For The OpenGL Library */
|
|
#include <GL/glu.h> /* Header File For The GLU Library */
|
|
#endif
|
|
#endif
|
|
|
|
#include "doomtype.h"
|
|
|
|
#if !defined(GL_DEPTH_STENCIL_EXT)
|
|
#define GL_DEPTH_STENCIL_EXT 0x84F9
|
|
#endif
|
|
|
|
#define isExtensionSupported(ext) strstr(extensions, ext)
|
|
|
|
//e6y: OpenGL version
|
|
typedef enum {
|
|
OPENGL_VERSION_1_0,
|
|
OPENGL_VERSION_1_1,
|
|
OPENGL_VERSION_1_2,
|
|
OPENGL_VERSION_1_3,
|
|
OPENGL_VERSION_1_4,
|
|
OPENGL_VERSION_1_5,
|
|
OPENGL_VERSION_2_0,
|
|
OPENGL_VERSION_2_1,
|
|
} glversion_t;
|
|
|
|
extern int gl_version;
|
|
|
|
extern int GLEXT_CLAMP_TO_EDGE;
|
|
extern int gl_max_texture_size;
|
|
|
|
extern SDL_PixelFormat RGBAFormat;
|
|
|
|
// obsolete?
|
|
extern int gl_use_paletted_texture;
|
|
extern int gl_use_shared_texture_palette;
|
|
extern int gl_paletted_texture;
|
|
extern int gl_shared_texture_palette;
|
|
|
|
extern dboolean gl_ext_texture_filter_anisotropic;
|
|
extern dboolean gl_arb_texture_non_power_of_two;
|
|
extern dboolean gl_arb_multitexture;
|
|
extern dboolean gl_arb_texture_compression;
|
|
extern dboolean gl_ext_framebuffer_object;
|
|
extern dboolean gl_ext_packed_depth_stencil;
|
|
extern dboolean gl_ext_blend_color;
|
|
extern dboolean gl_use_stencil;
|
|
extern dboolean gl_ext_arb_vertex_buffer_object;
|
|
extern dboolean gl_arb_pixel_buffer_object;
|
|
extern dboolean gl_arb_shader_objects;
|
|
|
|
// obsolete?
|
|
extern PFNGLCOLORTABLEEXTPROC GLEXT_glColorTableEXT;
|
|
|
|
extern PFNGLBINDFRAMEBUFFEREXTPROC GLEXT_glBindFramebufferEXT;
|
|
extern PFNGLGENFRAMEBUFFERSEXTPROC GLEXT_glGenFramebuffersEXT;
|
|
extern PFNGLGENRENDERBUFFERSEXTPROC GLEXT_glGenRenderbuffersEXT;
|
|
extern PFNGLBINDRENDERBUFFEREXTPROC GLEXT_glBindRenderbufferEXT;
|
|
extern PFNGLRENDERBUFFERSTORAGEEXTPROC GLEXT_glRenderbufferStorageEXT;
|
|
extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC GLEXT_glFramebufferRenderbufferEXT;
|
|
extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC GLEXT_glFramebufferTexture2DEXT;
|
|
extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC GLEXT_glCheckFramebufferStatusEXT;
|
|
extern PFNGLDELETEFRAMEBUFFERSEXTPROC GLEXT_glDeleteFramebuffersEXT;
|
|
extern PFNGLDELETERENDERBUFFERSEXTPROC GLEXT_glDeleteRenderbuffersEXT;
|
|
|
|
/* ARB_multitexture command function pointers */
|
|
extern PFNGLACTIVETEXTUREARBPROC GLEXT_glActiveTextureARB;
|
|
extern PFNGLCLIENTACTIVETEXTUREARBPROC GLEXT_glClientActiveTextureARB;
|
|
extern PFNGLMULTITEXCOORD2FARBPROC GLEXT_glMultiTexCoord2fARB;
|
|
extern PFNGLMULTITEXCOORD2FVARBPROC GLEXT_glMultiTexCoord2fvARB;
|
|
|
|
extern PFNGLBLENDCOLOREXTPROC GLEXT_glBlendColorEXT;
|
|
|
|
/* ARB_texture_compression */
|
|
extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC GLEXT_glCompressedTexImage2DARB;
|
|
|
|
/* VBO */
|
|
extern PFNGLGENBUFFERSARBPROC GLEXT_glGenBuffersARB;
|
|
extern PFNGLDELETEBUFFERSARBPROC GLEXT_glDeleteBuffersARB;
|
|
extern PFNGLBINDBUFFERARBPROC GLEXT_glBindBufferARB;
|
|
extern PFNGLBUFFERDATAARBPROC GLEXT_glBufferDataARB;
|
|
|
|
/* PBO */
|
|
extern PFNGLBUFFERSUBDATAARBPROC GLEXT_glBufferSubDataARB;
|
|
extern PFNGLGETBUFFERPARAMETERIVARBPROC GLEXT_glGetBufferParameterivARB;
|
|
extern PFNGLMAPBUFFERARBPROC GLEXT_glMapBufferARB;
|
|
extern PFNGLUNMAPBUFFERARBPROC GLEXT_glUnmapBufferARB;
|
|
|
|
/* GL_ARB_shader_objects */
|
|
#ifdef USE_SHADERS
|
|
extern PFNGLDELETEOBJECTARBPROC GLEXT_glDeleteObjectARB;
|
|
extern PFNGLGETHANDLEARBPROC GLEXT_glGetHandleARB;
|
|
extern PFNGLDETACHOBJECTARBPROC GLEXT_glDetachObjectARB;
|
|
extern PFNGLCREATESHADEROBJECTARBPROC GLEXT_glCreateShaderObjectARB;
|
|
extern PFNGLSHADERSOURCEARBPROC GLEXT_glShaderSourceARB;
|
|
extern PFNGLCOMPILESHADERARBPROC GLEXT_glCompileShaderARB;
|
|
extern PFNGLCREATEPROGRAMOBJECTARBPROC GLEXT_glCreateProgramObjectARB;
|
|
extern PFNGLATTACHOBJECTARBPROC GLEXT_glAttachObjectARB;
|
|
extern PFNGLLINKPROGRAMARBPROC GLEXT_glLinkProgramARB;
|
|
extern PFNGLUSEPROGRAMOBJECTARBPROC GLEXT_glUseProgramObjectARB;
|
|
extern PFNGLVALIDATEPROGRAMARBPROC GLEXT_glValidateProgramARB;
|
|
|
|
extern PFNGLUNIFORM1FARBPROC GLEXT_glUniform1fARB;
|
|
extern PFNGLUNIFORM2FARBPROC GLEXT_glUniform2fARB;
|
|
extern PFNGLUNIFORM1IARBPROC GLEXT_glUniform1iARB;
|
|
|
|
extern PFNGLGETOBJECTPARAMETERFVARBPROC GLEXT_glGetObjectParameterfvARB;
|
|
extern PFNGLGETOBJECTPARAMETERIVARBPROC GLEXT_glGetObjectParameterivARB;
|
|
extern PFNGLGETINFOLOGARBPROC GLEXT_glGetInfoLogARB;
|
|
extern PFNGLGETATTACHEDOBJECTSARBPROC GLEXT_glGetAttachedObjectsARB;
|
|
extern PFNGLGETUNIFORMLOCATIONARBPROC GLEXT_glGetUniformLocationARB;
|
|
extern PFNGLGETACTIVEUNIFORMARBPROC GLEXT_glGetActiveUniformARB;
|
|
extern PFNGLGETUNIFORMFVARBPROC GLEXT_glGetUniformfvARB;
|
|
#endif
|
|
|
|
void gld_InitOpenGL(dboolean compatibility_mode);
|
|
|
|
//states
|
|
void gld_EnableTexture2D(GLenum texture, int enable);
|
|
void gld_EnableClientCoordArray(GLenum texture, int enable);
|
|
void gld_EnableMultisample(int enable);
|
|
|
|
typedef enum
|
|
{
|
|
TMF_MASKBIT = 1,
|
|
TMF_OPAQUEBIT = 2,
|
|
TMF_INVERTBIT = 4,
|
|
|
|
TM_MODULATE = 0,
|
|
TM_MASK = TMF_MASKBIT,
|
|
TM_OPAQUE = TMF_OPAQUEBIT,
|
|
TM_INVERT = TMF_INVERTBIT,
|
|
//TM_INVERTMASK = TMF_MASKBIT | TMF_INVERTBIT
|
|
TM_INVERTOPAQUE = TMF_INVERTBIT | TMF_OPAQUEBIT,
|
|
} tex_mode_e;
|
|
void SetTextureMode(tex_mode_e type);
|
|
|
|
#endif // _GL_OPENGL_H
|