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179 lines
3.9 KiB
C
179 lines
3.9 KiB
C
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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/// \file
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/// \brief Tool for dynamic referencing of hardware rendering functions
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///
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/// Declaration and definition of the HW rendering
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/// functions do have the same name. Originally, the
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/// implementation was stored in a separate library.
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/// For SDL, we need some function to return the addresses,
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/// otherwise we have a conflict with the compiler.
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#include "hwsym_sdl.h"
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#include "../doomdef.h"
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#ifdef _MSC_VER
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#pragma warning(disable : 4214 4244)
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#endif
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#ifdef HAVE_SDL
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#include "SDL.h"
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#ifdef _MSC_VER
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#pragma warning(default : 4214 4244)
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#endif
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#ifndef NOLOADSO
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#include "SDL_loadso.h"
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#endif
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#define _CREATE_DLL_ // necessary for Unix AND Windows
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#ifdef HWRENDER
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#include "../hardware/hw_drv.h"
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#include "ogl_sdl.h"
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#ifdef STATIC_OPENGL
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#include "../hardware/r_opengl/r_opengl.h"
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#endif
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#endif
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#ifdef HW3SOUND
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#include "../hardware/hw3dsdrv.h"
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#endif
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#define GETFUNC(func) \
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else if (0 == strcmp(#func, funcName)) \
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funcPointer = &func \
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//
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//
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/** \brief The *hwSym function
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Stupid function to return function addresses
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\param funcName the name of the function
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\param handle an object to look in(NULL for self)
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\return void
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*/
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//
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void *hwSym(const char *funcName,void *handle)
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{
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void *funcPointer = NULL;
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#ifdef HWRENDER
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if (0 == strcmp("SetPalette", funcName))
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funcPointer = &OglSdlSetPalette;
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GETFUNC(Init);
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GETFUNC(Draw2DLine);
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GETFUNC(DrawPolygon);
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GETFUNC(RenderSkyDome);
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GETFUNC(SetBlend);
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GETFUNC(ClearBuffer);
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GETFUNC(SetTexture);
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GETFUNC(ReadRect);
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GETFUNC(GClipRect);
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GETFUNC(ClearMipMapCache);
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GETFUNC(SetSpecialState);
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GETFUNC(GetTextureUsed);
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GETFUNC(DrawModel);
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GETFUNC(CreateModelVBOs);
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GETFUNC(SetTransform);
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GETFUNC(GetRenderVersion);
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GETFUNC(PostImgRedraw);
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GETFUNC(FlushScreenTextures);
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GETFUNC(StartScreenWipe);
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GETFUNC(EndScreenWipe);
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GETFUNC(DoScreenWipe);
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GETFUNC(DrawIntermissionBG);
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GETFUNC(MakeScreenTexture);
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GETFUNC(MakeScreenFinalTexture);
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GETFUNC(DrawScreenFinalTexture);
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#else //HWRENDER
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if (0 == strcmp("FinishUpdate", funcName))
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return funcPointer; //&FinishUpdate;
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#endif //!HWRENDER
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#ifdef STATIC3DS
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GETFUNC(Startup);
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GETFUNC(AddSfx);
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GETFUNC(AddSource);
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GETFUNC(StartSource);
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GETFUNC(StopSource);
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GETFUNC(GetHW3DSVersion);
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GETFUNC(BeginFrameUpdate);
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GETFUNC(EndFrameUpdate);
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GETFUNC(IsPlaying);
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GETFUNC(UpdateListener);
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GETFUNC(UpdateSourceParms);
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GETFUNC(SetGlobalSfxVolume);
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GETFUNC(SetCone);
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GETFUNC(Update3DSource);
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GETFUNC(ReloadSource);
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GETFUNC(KillSource);
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GETFUNC(Shutdown);
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GETFUNC(GetHW3DSTitle);
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#endif
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#ifdef NOLOADSO
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else
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funcPointer = handle;
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#else
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else if (handle)
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funcPointer = SDL_LoadFunction(handle,funcName);
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#endif
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if (!funcPointer)
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I_OutputMsg("hwSym for %s: %s\n", funcName, SDL_GetError());
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return funcPointer;
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}
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/** \brief The *hwOpen function
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\param hwfile Open a handle to the SO
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\return Handle to SO
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*/
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void *hwOpen(const char *hwfile)
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{
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#ifdef NOLOADSO
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(void)hwfile;
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return NULL;
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#else
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void *tempso = NULL;
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tempso = SDL_LoadObject(hwfile);
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if (!tempso) I_OutputMsg("hwOpen of %s: %s\n", hwfile, SDL_GetError());
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return tempso;
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#endif
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}
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/** \brief The hwClose function
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\param handle Close the handle of the SO
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\return void
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*/
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void hwClose(void *handle)
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{
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#ifdef NOLOADSO
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(void)handle;
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#else
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SDL_UnloadObject(handle);
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#endif
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}
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#endif
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