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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#include "hpl1/engine/resources/GpuProgramManager.h"
#include "hpl1/debug.h"
#include "hpl1/engine/graphics/GPUProgram.h"
#include "hpl1/engine/graphics/LowLevelGraphics.h"
#include "hpl1/engine/system/String.h"
#include "hpl1/engine/system/low_level_system.h"
namespace hpl {
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cGpuProgramManager::cGpuProgramManager(cFileSearcher *apFileSearcher, iLowLevelGraphics *apLowLevelGraphics,
LowLevelResources *apLowLevelResources, LowLevelSystem *apLowLevelSystem)
: iResourceManager(apFileSearcher, apLowLevelResources, apLowLevelSystem) {
mpLowLevelGraphics = apLowLevelGraphics;
}
cGpuProgramManager::~cGpuProgramManager() {
DestroyAll();
Log(" Done with Gpu programs\n");
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
/**
* Since further parameters are needed for the gpu prog this does not work...
* For now at least.
* \param asName
* \return
*/
iResourceBase *cGpuProgramManager::Create(const tString &asName) {
return NULL;
}
//-----------------------------------------------------------------------
iGpuProgram *cGpuProgramManager::CreateProgram(const tString &vertex, const tString &fragment,
eGpuProgramType aType) {
if (!mpLowLevelGraphics->GetCaps(eGraphicCaps_GL_GpuPrograms))
return nullptr;
tString sPath;
iGpuProgram *pProgram;
pProgram = static_cast<iGpuProgram *>(FindLoadedResource(vertex + " " + fragment, sPath));
if (pProgram == nullptr) {
pProgram = mpLowLevelGraphics->CreateGpuProgram(vertex, fragment);
AddResource(pProgram);
}
pProgram->IncUserCount();
return pProgram;
}
//-----------------------------------------------------------------------
void cGpuProgramManager::Unload(iResourceBase *apResource) {
}
//-----------------------------------------------------------------------
void cGpuProgramManager::Destroy(iResourceBase *apResource) {
apResource->DecUserCount();
if (apResource->HasUsers() == false) {
RemoveResource(apResource);
hplDelete(apResource);
}
}
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
} // namespace hpl
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