//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
#include "EffekseerRenderer.IndexBufferBase.h"

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
namespace EffekseerRenderer
{
//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
IndexBufferBase::IndexBufferBase(int maxCount, bool isDynamic)
	: m_indexMaxCount(maxCount)
	, m_indexCount(0)
	, m_isDynamic(false)
	, m_isLock(false)
	, m_resource(nullptr)
{
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
IndexBufferBase::~IndexBufferBase()
{
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
void IndexBufferBase::Push(const void* buffer, int count)
{
	assert(m_isLock);
	memcpy(GetBufferDirect(count), buffer, count * stride_);
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
int IndexBufferBase::GetCount() const
{
	return m_indexCount;
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
int IndexBufferBase::GetMaxCount() const
{
	return m_indexMaxCount;
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
void* IndexBufferBase::GetBufferDirect(int count)
{
	assert(m_isLock);
	assert(m_indexMaxCount >= m_indexCount + count);

	uint8_t* pBuffer = nullptr;

	pBuffer = (uint8_t*)m_resource + (m_indexCount * stride_);
	m_indexCount += count;

	return pBuffer;
}

//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------
} // namespace EffekseerRenderer
//-----------------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------------