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

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4.6 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 RenderStateSet_INCLUDE_ONCE
#define RenderStateSet_INCLUDE_ONCE
#include <vlGraphics/link_config.hpp>
#include <vlCore/Object.hpp>
#include <vlCore/vlnamespace.hpp>
#include <vlGraphics/RenderState.hpp>
#include <vector>
namespace vl
{
class GLSLProgram;
class RenderState;
/** A set of RenderState objects managed by a Shader.
* \sa Shader, Effect, Actor */
class VLGRAPHICS_EXPORT RenderStateSet: public Object
{
VL_INSTRUMENT_CLASS(vl::RenderStateSet, Object)
public:
RenderStateSet(): mGLSLProgram(NULL)
{
VL_DEBUG_SET_OBJECT_NAME()
}
RenderStateSet& deepCopyFrom(const RenderStateSet& other);
RenderStateSet& shallowCopyFrom(const RenderStateSet& other) { mRenderStates = other.mRenderStates; mGLSLProgram = other.mGLSLProgram; return *this; }
// renderstates getters and setters
void setRenderState(RenderState* renderstate, int index);
RenderState* renderState( ERenderState type, int index=-1 );
const RenderState* renderState( ERenderState type, int index=-1 ) const;
size_t renderStatesCount() const { return mRenderStates.size(); }
const RenderStateSlot* renderStates() const { if (mRenderStates.empty()) return NULL; else return &mRenderStates[0]; }
RenderStateSlot* renderStates() { if (mRenderStates.empty()) return NULL; else return &mRenderStates[0]; }
//! If index == -1 all the renderstates of the given type are removed regardless of their binding index.
void eraseRenderState(ERenderState type, int index);
void eraseAllRenderStates() { mRenderStates.clear(); mGLSLProgram = NULL; }
//! Returns the GLSLProgram associated to a RenderStateSet (if any)
const GLSLProgram* glslProgram() const { return mGLSLProgram; }
//! Returns the GLSLProgram associated to a RenderStateSet (if any)
GLSLProgram* glslProgram() { return mGLSLProgram; }
protected:
std::vector< RenderStateSlot > mRenderStates;
GLSLProgram* mGLSLProgram;
};
}
#endif