obs-StreamFX/source/obs/gs/gs-indexbuffer.cpp

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/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* 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 of the License, 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "gs-indexbuffer.hpp"
#include <stdexcept>
#include "gs-limits.hpp"
#include "obs/gs/gs-helper.hpp"
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gs::index_buffer::index_buffer(uint32_t maximumVertices)
{
this->reserve(maximumVertices);
auto gctx = gs::context();
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_index_buffer = gs_indexbuffer_create(gs_index_type::GS_UNSIGNED_LONG, this->data(), maximumVertices, GS_DYNAMIC);
}
gs::index_buffer::index_buffer() : index_buffer(MAXIMUM_VERTICES) {}
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gs::index_buffer::index_buffer(index_buffer& other) : index_buffer((uint32_t)other.size())
{
std::copy(other.begin(), other.end(), this->end());
}
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gs::index_buffer::index_buffer(std::vector<uint32_t>& other) : index_buffer((uint32_t)other.size())
{
std::copy(other.begin(), other.end(), this->end());
}
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gs::index_buffer::~index_buffer()
{
auto gctx = gs::context();
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gs_indexbuffer_destroy(_index_buffer);
}
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gs_indexbuffer_t* gs::index_buffer::get()
{
return get(true);
}
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gs_indexbuffer_t* gs::index_buffer::get(bool refreshGPU)
{
if (refreshGPU) {
auto gctx = gs::context();
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gs_indexbuffer_flush(_index_buffer);
}
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return _index_buffer;
}