//
// 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.
//  * Neither the name of NVIDIA CORPORATION nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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 OWNER 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.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
#include <RendererMaterialInstance.h>
#include <RendererMaterial.h>
#include <foundation/PxAssert.h>

using namespace SampleRenderer;

RendererMaterialInstance::RendererMaterialInstance(RendererMaterial &material) :
m_material(material)
{
	m_data = 0;
	PxU32 dataSize = m_material.getMaterialInstanceDataSize();
	if(dataSize > 0)
	{
		m_data = new PxU8[dataSize];
		memset(m_data, 0, dataSize);
	}
}

RendererMaterialInstance::RendererMaterialInstance(const RendererMaterialInstance& other) :
m_material(other.m_material)
{
	PxU32 dataSize = m_material.getMaterialInstanceDataSize();
	if (dataSize > 0)
	{
		m_data = new PxU8[dataSize];
		memcpy(m_data, other.m_data, dataSize);
	}
}

RendererMaterialInstance::~RendererMaterialInstance(void)
{
	if(m_data) delete [] m_data;
}

void RendererMaterialInstance::writeData(const RendererMaterial::Variable &var, const void *data)
{
	if(m_data && data)
	{
		memcpy(m_data+var.getDataOffset(), data, var.getDataSize());
	}
}

RendererMaterialInstance &RendererMaterialInstance::operator=(const RendererMaterialInstance &b)
{
	PX_ASSERT(&m_material == &b.m_material);
	if(&m_material == &b.m_material)
	{
		memcpy(m_data, b.m_data, m_material.getMaterialInstanceDataSize());
	}
	return *this;
}