64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
//-------------------------------------------------------------------------------------
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// Stereo3DMatrixHelper.h -- SIMD C++ Math helper for Stereo 3D matrices
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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//-------------------------------------------------------------------------------------
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#pragma once
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#include "DirectXMath.h"
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namespace DirectX
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{
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// Enumeration for stereo channels (left and right).
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enum STEREO_CHANNEL
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{
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STEREO_CHANNEL_LEFT = 0,
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STEREO_CHANNEL_RIGHT
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};
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// Enumeration for stereo mode (normal or inverted).
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enum STEREO_MODE
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{
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STEREO_MODE_NORMAL = 0,
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STEREO_MODE_INVERTED,
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};
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//------------------------------------------------------------------------------
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//
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// Stereo calibration settings
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//
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// * Viewer distance to the display
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// * Physical display size
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// * Render resolution
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//
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// The stereo separation factor indicates how much separation is between the left and right
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// eyes. 0 is no separation, 1 is full separation. It defaults to 1.0.
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//
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// The debug stereo exaggeration factor indicates how much to increase the interocular spacing and
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// maximum acuity angle from comfortable defaults. For retail builds, this value should always
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// be 1.0, but during development, on small screens, this value can be raised to up to 2.0 in
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// order to exaggerate the 3D effect. Values over 1.0 may cause discomfort on normal sized
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// displays. It defaults to 1.0.
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//
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struct STEREO_PARAMETERS
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{
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float fViewerDistanceInches;
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float fDisplaySizeInches;
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float fPixelResolutionWidth;
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float fPixelResolutionHeight;
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float fStereoSeparationFactor;
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float fStereoExaggerationFactor;
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};
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void StereoCreateDefaultParameters(STEREO_PARAMETERS& stereoParameters);
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XMMATRIX StereoProjectionFovLH(_In_opt_ const STEREO_PARAMETERS* pStereoParameters,
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STEREO_CHANNEL Channel, float FovAngleY, float AspectRatio, float NearZ, float FarZ,
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STEREO_MODE StereoMode = STEREO_MODE_NORMAL);
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XMMATRIX StereoProjectionFovRH(_In_opt_ const STEREO_PARAMETERS* pStereoParameters,
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STEREO_CHANNEL Channel, float FovAngleY, float AspectRatio, float NearZ, float FarZ,
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STEREO_MODE StereoMode = STEREO_MODE_NORMAL);
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} |