mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-11-24 12:25:11 +00:00
b4d63e919e
Allows code to directly use GS::Vertex for their own purposes without having to rely on GS::VertexBuffer, which comes with the added overhead of allocating GPU memory.
48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Modern effects for a modern Streamer
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* Copyright (C) 2017 Michael Fabian Dirks
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "gs-vertex.h"
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#include "util-memory.h"
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GS::Vertex::Vertex() {
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this->hasStore = true;
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this->store = util::malloc_aligned(16, sizeof(vec3) * 3 + sizeof(uint32_t) + sizeof(vec4)*MAXIMUM_UVW_LAYERS);
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this->position = reinterpret_cast<vec3*>(store);
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this->normal = reinterpret_cast<vec3*>(reinterpret_cast<char*>(store) + (16 * 1));
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this->tangent = reinterpret_cast<vec3*>(reinterpret_cast<char*>(store) + (16 * 2));
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for (size_t n = 0; n < MAXIMUM_UVW_LAYERS; n++) {
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this->uv[n] = reinterpret_cast<vec4*>(reinterpret_cast<char*>(store) + (16 * (2 + n)));
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}
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this->color = reinterpret_cast<uint32_t*>(reinterpret_cast<char*>(store) + (16 * (3 + MAXIMUM_UVW_LAYERS)));
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}
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GS::Vertex::~Vertex() {
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if (hasStore)
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util::free_aligned(store);
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}
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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) {
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if (uvs != nullptr) {
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for (size_t idx = 0; idx < MAXIMUM_UVW_LAYERS; idx++) {
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this->uv[idx] = uvs[idx];
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}
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}
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this->hasStore = false;
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}
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