obs-StreamFX/source/obs/gs/gs-vertex.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-vertex.hpp"
#include "util-memory.hpp"
gs::vertex::vertex()
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: position(nullptr), normal(nullptr), tangent(nullptr), color(nullptr), _has_store(true), _store(nullptr)
{
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_store = util::malloc_aligned(16, sizeof(vec3) * 3 + sizeof(uint32_t) + sizeof(vec4) * MAXIMUM_UVW_LAYERS);
size_t offset = 0;
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position = reinterpret_cast<vec3*>(reinterpret_cast<char*>(_store) + offset);
offset += sizeof(vec3);
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normal = reinterpret_cast<vec3*>(reinterpret_cast<char*>(_store) + offset);
offset += sizeof(vec3);
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tangent = reinterpret_cast<vec3*>(reinterpret_cast<char*>(_store) + offset);
offset += sizeof(vec3);
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color = reinterpret_cast<uint32_t*>(reinterpret_cast<char*>(_store) + offset);
offset += sizeof(uint32_t);
for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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uv[n] = reinterpret_cast<vec4*>(reinterpret_cast<char*>(_store) + offset);
offset += sizeof(vec4);
}
}
gs::vertex::~vertex()
{
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if (_has_store) {
util::free_aligned(_store);
}
}
gs::vertex::vertex(vec3* p, vec3* n, vec3* t, uint32_t* col, vec4* uvs[MAXIMUM_UVW_LAYERS])
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: position(p), normal(n), tangent(t), color(col), _has_store(false)
{
if (uvs != nullptr) {
for (size_t idx = 0; idx < MAXIMUM_UVW_LAYERS; idx++) {
this->uv[idx] = uvs[idx];
}
}
}