2024-03-19 17:45:12 +08:00

110 lines
4.4 KiB
C++

/**************************************************************************************/
/* */
/* Visualization Library */
/* http://visualizationlibrary.org */
/* */
/* Copyright (c) 2005-2020, Michele Bosi */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without modification, */
/* are permitted provided that the following conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright notice, this */
/* list of conditions and the following disclaimer. */
/* */
/* - Redistributions in binary form must reproduce the above copyright notice, this */
/* list of conditions and the following disclaimer in the documentation and/or */
/* other materials provided with the distribution. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/**************************************************************************************/
#ifndef EnableSet_INCLUDE_ONCE
#define EnableSet_INCLUDE_ONCE
#include <vlCore/Object.hpp>
#include <vlCore/vlnamespace.hpp>
#include <vector>
namespace vl
{
/**
* A set of enables managed by Shader.
* This class substitutes for the most part the OpenGL functions glEnable() and glDisable().
*
* \sa Shader, Effect, Actor
*/
class EnableSet: public Object
{
VL_INSTRUMENT_CLASS(vl::EnableSet, Object)
public:
EnableSet(): mBlendingEnabled(false)
{
VL_DEBUG_SET_OBJECT_NAME()
// these two are enabled by default
mEnables.push_back(EN_DITHER);
// only OpenGL ES 2 does not support GL_MULTISAMPLE
#if !defined(VL_OPENGL_ES2)
mEnables.push_back(EN_MULTISAMPLE);
#endif
}
// enable getter and setters
void enable(EEnable capability)
{
if (capability == EN_BLEND)
mBlendingEnabled = true;
for(unsigned i=0; i<mEnables.size(); ++i)
if (mEnables[i] == capability)
return;
mEnables.push_back( capability );
}
void disable(EEnable capability)
{
if (capability == EN_BLEND)
mBlendingEnabled = false;
for(unsigned i=0; i<mEnables.size(); ++i)
{
if (mEnables[i] == capability)
{
mEnables.erase( mEnables.begin() + i );
return;
}
}
}
const std::vector<EEnable>& enables() const { return mEnables; }
int isEnabled(EEnable capability) const
{
for(unsigned i=0; i<mEnables.size(); ++i)
if (mEnables[i] == capability)
return true;
return false;
}
void disableAll() { mEnables.clear(); mBlendingEnabled=false; }
bool isBlendingEnabled() const { return mBlendingEnabled; }
protected:
std::vector<EEnable> mEnables;
bool mBlendingEnabled;
};
}
#endif