133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "std3d.h"
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#include "nel/3d/texture_blend.h"
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#include "nel/misc/common.h"
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namespace NL3D {
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CTextureBlend::CTextureBlend() : _BlendFactor(0), _SharingEnabled(true)
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{
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}
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// ************************************************************************
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bool CTextureBlend::supportSharing() const
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{
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return _BlendTex[0] && _BlendTex[0]->supportSharing()
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&& _BlendTex[1] && _BlendTex[1]->supportSharing();
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}
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// ************************************************************************
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std::string CTextureBlend::getShareName() const
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{
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nlassert(supportSharing());
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char fmt[1024];
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NLMISC::smprintf(fmt, 1024, "BlendTex0:%s:BlendTex1:%s:blendFactor:%d",
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_BlendTex[0]->getShareName().c_str(), _BlendTex[1]->getShareName().c_str(),
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(uint) _BlendFactor
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);
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return fmt;
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}
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// ************************************************************************
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void CTextureBlend::enableSharing(bool enabled /*= false*/)
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{
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_SharingEnabled = enabled;
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}
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// ************************************************************************
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void CTextureBlend::release()
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{
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if (_BlendTex[0] && _BlendTex[0]->getReleasable()) _BlendTex[0]->release();
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if (_BlendTex[1] && _BlendTex[1]->getReleasable()) _BlendTex[1]->release();
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ITexture::release();
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}
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// ************************************************************************
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bool CTextureBlend::setBlendFactor(uint16 factor)
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{
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nlassert(factor <= 256);
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if (factor != _BlendFactor)
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{
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_BlendFactor = factor;
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touch(); // need to recompute blending
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return true;
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}
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return false;
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}
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// ************************************************************************
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void CTextureBlend::setBlendTexture(uint index, ITexture *tex)
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{
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nlassert(index < 2);
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if (tex != _BlendTex[index])
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{
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_BlendTex[index] = tex;
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touch(); // need to recompute blending
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}
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}
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// ************************************************************************
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void CTextureBlend::doGenerate(bool async)
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{
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if (!_BlendTex[0] || !_BlendTex[1])
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{
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makeDummy();
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return;
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}
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//NLMISC::TTicks start = NLMISC::CTime::getPerformanceTime();
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_BlendTex[0]->generate();
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_BlendTex[1]->generate();
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this->blend(*_BlendTex[0], *_BlendTex[1], _BlendFactor, true);
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/*NLMISC::TTicks end = NLMISC::CTime::getPerformanceTime();
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nlinfo("blend time = %.2f", (float) (1000 * NLMISC::CTime::ticksToSecond(end - start)));*/
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}
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// ************************************************************************
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void CTextureBlend::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
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{
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f.serialVersion(0);
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ITexture::serial(f);
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for (uint k = 0; k < 2; ++k)
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{
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ITexture *tex = NULL;
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if (f.isReading())
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{
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f.serialPolyPtr(tex);
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_BlendTex[k] = tex;
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touch();
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}
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else
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{
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tex = _BlendTex[k];
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f.serialPolyPtr(tex);
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}
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}
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f.serial(_SharingEnabled, _BlendFactor);
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}
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} // NL3D
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