pcsx2/plugins/GSdx_legacy/GSVertexList.h

88 lines
1.7 KiB
C++

/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
template <class Vertex> class GSVertexList
{
void* m_base;
Vertex* m_v[3];
int m_count;
public:
GSVertexList()
: m_count(0)
{
m_base = _aligned_malloc(sizeof(Vertex) * countof(m_v), 32);
for(size_t i = 0; i < countof(m_v); i++)
{
m_v[i] = &((Vertex*)m_base)[i];
}
}
virtual ~GSVertexList()
{
_aligned_free(m_base);
}
void RemoveAll()
{
m_count = 0;
}
__forceinline Vertex& AddTail()
{
ASSERT(m_count < 3);
return *m_v[m_count++];
}
__forceinline void RemoveAt(int pos, int keep)
{
if(keep == 1)
{
Vertex* tmp = m_v[pos + 0];
m_v[pos + 0] = m_v[pos + 1];
m_v[pos + 1] = tmp;
}
else if(keep == 2)
{
Vertex* tmp = m_v[pos + 0];
m_v[pos + 0] = m_v[pos + 1];
m_v[pos + 1] = m_v[pos + 2];
m_v[pos + 2] = tmp;
}
m_count = pos + keep;
}
__forceinline void GetAt(int i, Vertex& v)
{
v = *m_v[i];
}
int GetCount()
{
return m_count;
}
};