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85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2015 Christopher Bruns
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// All rights reserved.
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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 Lesser General Public License as published by
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// the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//--------------------------------------------------------------------------
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//
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/*
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** gl_stereo3d.cpp
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** Stereoscopic 3D API
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**
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*/
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#include "gl/system/gl_system.h"
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#include "gl/stereo3d/gl_stereo3d.h"
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#include "gl/renderer/gl_renderer.h"
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#include "vectors.h" // RAD2DEG
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#include "doomtype.h" // M_PI
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namespace s3d {
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/* virtual */
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VSMatrix EyePose::GetProjection(float fov, float aspectRatio, float fovRatio) const
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{
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VSMatrix result;
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// Lifted from gl_scene.cpp FGLRenderer::SetProjection()
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float fovy = (float)(2 * RAD2DEG(atan(tan(DEG2RAD(fov) / 2) / fovRatio)));
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result.perspective(fovy, aspectRatio, FGLRenderer::GetZNear(), FGLRenderer::GetZFar());
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return result;
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}
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/* virtual */
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Viewport EyePose::GetViewport(const Viewport& fullViewport) const
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{
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return fullViewport;
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}
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/* virtual */
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void EyePose::GetViewShift(float yaw, float outViewShift[3]) const
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{
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// pass-through for Mono view
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outViewShift[0] = 0;
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outViewShift[1] = 0;
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outViewShift[2] = 0;
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}
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Stereo3DMode::Stereo3DMode()
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{
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}
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Stereo3DMode::~Stereo3DMode()
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{
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}
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// Avoid static initialization order fiasco by declaring first Mode type (Mono) here in the
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// same source file as Stereo3DMode::getCurrentMode()
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// https://isocpp.org/wiki/faq/ctors#static-init-order
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/* static */
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const MonoView& MonoView::getInstance()
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{
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static MonoView instance;
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return instance;
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}
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} /* namespace s3d */
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