SRB2/src/sdl/hwsym_sdl.c

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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright (C) 1998-2000 by DooM Legacy Team.
//
// 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.
/// \file
/// \brief Tool for dynamic referencing of hardware rendering functions
///
/// Declaration and definition of the HW rendering
/// functions do have the same name. Originally, the
/// implementation was stored in a separate library.
/// For SDL, we need some function to return the addresses,
/// otherwise we have a conflict with the compiler.
#include "hwsym_sdl.h"
#include "../doomdef.h"
#ifdef _MSC_VER
#pragma warning(disable : 4214 4244)
#endif
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#ifdef HAVE_SDL
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#include "SDL.h"
#ifdef _MSC_VER
#pragma warning(default : 4214 4244)
#endif
#ifndef NOLOADSO
#include "SDL_loadso.h"
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#endif
#define _CREATE_DLL_ // necessary for Unix AND Windows
#ifdef HWRENDER
#include "../hardware/hw_drv.h"
#include "ogl_sdl.h"
#ifdef STATIC_OPENGL
#include "../hardware/r_opengl/r_opengl.h"
#endif
#endif
#ifdef HW3SOUND
#include "../hardware/hw3dsdrv.h"
#endif
#define GETFUNC(func) \
else if (0 == strcmp(#func, funcName)) \
funcPointer = &func \
//
//
/** \brief The *hwSym function
Stupid function to return function addresses
\param funcName the name of the function
\param handle an object to look in(NULL for self)
\return void
*/
//
void *hwSym(const char *funcName,void *handle)
{
void *funcPointer = NULL;
#ifdef HWRENDER
if (0 == strcmp("SetPalette", funcName))
funcPointer = &OglSdlSetPalette;
GETFUNC(Init);
GETFUNC(Draw2DLine);
GETFUNC(DrawPolygon);
GETFUNC(SetBlend);
GETFUNC(ClearBuffer);
GETFUNC(SetTexture);
GETFUNC(ReadRect);
GETFUNC(GClipRect);
GETFUNC(ClearMipMapCache);
GETFUNC(SetSpecialState);
GETFUNC(GetTextureUsed);
GETFUNC(DrawMD2);
GETFUNC(DrawMD2i);
GETFUNC(SetTransform);
GETFUNC(GetRenderVersion);
#ifdef SHUFFLE
GETFUNC(PostImgRedraw);
#endif //SHUFFLE
GETFUNC(FlushScreenTextures);
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GETFUNC(StartScreenWipe);
GETFUNC(EndScreenWipe);
GETFUNC(DoScreenWipe);
GETFUNC(DrawIntermissionBG);
GETFUNC(MakeScreenTexture);
GETFUNC(MakeScreenFinalTexture);
GETFUNC(DrawScreenFinalTexture);
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#else //HWRENDER
if (0 == strcmp("FinishUpdate", funcName))
return funcPointer; //&FinishUpdate;
#endif //!HWRENDER
#ifdef STATIC3DS
GETFUNC(Startup);
GETFUNC(AddSfx);
GETFUNC(AddSource);
GETFUNC(StartSource);
GETFUNC(StopSource);
GETFUNC(GetHW3DSVersion);
GETFUNC(BeginFrameUpdate);
GETFUNC(EndFrameUpdate);
GETFUNC(IsPlaying);
GETFUNC(UpdateListener);
GETFUNC(UpdateSourceParms);
GETFUNC(SetGlobalSfxVolume);
GETFUNC(SetCone);
GETFUNC(Update3DSource);
GETFUNC(ReloadSource);
GETFUNC(KillSource);
GETFUNC(Shutdown);
GETFUNC(GetHW3DSTitle);
#endif
#ifdef NOLOADSO
else
funcPointer = handle;
#else
else if (handle)
funcPointer = SDL_LoadFunction(handle,funcName);
#endif
if (!funcPointer)
I_OutputMsg("hwSym for %s: %s\n", funcName, SDL_GetError());
return funcPointer;
}
/** \brief The *hwOpen function
\param hwfile Open a handle to the SO
\return Handle to SO
*/
void *hwOpen(const char *hwfile)
{
#ifdef NOLOADSO
(void)hwfile;
return NULL;
#else
void *tempso = NULL;
tempso = SDL_LoadObject(hwfile);
if (!tempso) I_OutputMsg("hwOpen of %s: %s\n", hwfile, SDL_GetError());
return tempso;
#endif
}
/** \brief The hwClose function
\param handle Close the handle of the SO
\return void
*/
void hwClose(void *handle)
{
#ifdef NOLOADSO
(void)handle;
#else
SDL_UnloadObject(handle);
#endif
}
#endif