67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
/*
|
|
** global-ibo.h
|
|
**
|
|
** This file is part of mkxp.
|
|
**
|
|
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
|
|
**
|
|
** mkxp 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 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** mkxp 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 mkxp. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef GLOBALIBO_H
|
|
#define GLOBALIBO_H
|
|
|
|
#include "gl-util.h"
|
|
|
|
#include <vector>
|
|
|
|
struct GlobalIBO
|
|
{
|
|
IBO::ID ibo;
|
|
std::vector<uint32_t> buffer;
|
|
|
|
GlobalIBO()
|
|
{
|
|
ibo = IBO::gen();
|
|
}
|
|
|
|
~GlobalIBO()
|
|
{
|
|
IBO::del(ibo);
|
|
}
|
|
|
|
void ensureSize(size_t quadCount)
|
|
{
|
|
if (buffer.size() >= quadCount*6)
|
|
return;
|
|
|
|
size_t startInd = buffer.size() / 6;
|
|
buffer.reserve(quadCount*6);
|
|
|
|
for (size_t i = startInd; i < quadCount; ++i)
|
|
{
|
|
static const uint32_t indTemp[] = { 0, 1, 2, 2, 3, 0 };
|
|
|
|
for (size_t j = 0; j < 6; ++j)
|
|
buffer.push_back(i * 4 + indTemp[j]);
|
|
}
|
|
|
|
IBO::bind(ibo);
|
|
IBO::uploadData(buffer.size() * sizeof(uint32_t), &buffer[0]);
|
|
IBO::unbind();
|
|
}
|
|
};
|
|
|
|
#endif // GLOBALIBO_H
|