obs-StreamFX/source/gs-indexbuffer.cpp
2017-10-22 18:58:38 +02:00

65 lines
2 KiB
C++

/*
* 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.h"
extern "C" {
#pragma warning( push )
#pragma warning( disable: 4201 )
#include <libobs/obs.h>
#pragma warning( pop )
}
const uint32_t defaultMaximumVertices = 65535u;
GS::IndexBuffer::IndexBuffer(uint32_t maximumVertices) {
this->reserve(maximumVertices);
obs_enter_graphics();
m_indexBuffer = gs_indexbuffer_create(gs_index_type::GS_UNSIGNED_LONG, this->data(), maximumVertices, GS_DYNAMIC);
obs_leave_graphics();
}
GS::IndexBuffer::IndexBuffer() : IndexBuffer(defaultMaximumVertices) {}
GS::IndexBuffer::IndexBuffer(IndexBuffer& other) : IndexBuffer((uint32_t)other.size()) {
std::copy(other.begin(), other.end(), this->end());
}
GS::IndexBuffer::IndexBuffer(std::vector<uint32_t>& other) : IndexBuffer((uint32_t)other.size()) {
std::copy(other.begin(), other.end(), this->end());
}
GS::IndexBuffer::~IndexBuffer() {
obs_enter_graphics();
gs_indexbuffer_destroy(m_indexBuffer);
obs_leave_graphics();
}
gs_indexbuffer_t* GS::IndexBuffer::get() {
return get(true);
}
gs_indexbuffer_t* GS::IndexBuffer::get(bool refreshGPU) {
if (refreshGPU) {
obs_enter_graphics();
gs_indexbuffer_flush(m_indexBuffer);
obs_leave_graphics();
}
return m_indexBuffer;
}