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1 /************************************************************************************
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2
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3 Filename : CAPI_HMDRenderState.h
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4 Content : Combines all of the rendering state associated with the HMD
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5 Created : February 2, 2014
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6 Authors : Michael Antonov
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7
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8 Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
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9
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10 Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
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11 you may not use the Oculus VR Rift SDK except in compliance with the License,
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12 which is provided at the time of installation or download, or which
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13 otherwise accompanies this software in either electronic or hard copy form.
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14
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15 You may obtain a copy of the License at
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16
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17 http://www.oculusvr.com/licenses/LICENSE-3.2
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18
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19 Unless required by applicable law or agreed to in writing, the Oculus VR SDK
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20 distributed under the License is distributed on an "AS IS" BASIS,
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21 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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22 See the License for the specific language governing permissions and
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23 limitations under the License.
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24
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25 ************************************************************************************/
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26
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27 #ifndef OVR_CAPI_HMDRenderState_h
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28 #define OVR_CAPI_HMDRenderState_h
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29
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30 #include "../OVR_CAPI.h"
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31 #include "../Kernel/OVR_Math.h"
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32 #include "../Util/Util_Render_Stereo.h"
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33 #include "../Service/Service_NetSessionCommon.h"
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34
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35 namespace OVR { namespace CAPI {
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36
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37 using namespace OVR::Util::Render;
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38
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39
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40 //-------------------------------------------------------------------------------------
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41 // ***** HMDRenderState
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42
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43 // Combines all of the rendering setup information about one HMD.
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44 // This structure only ever exists inside HMDState, but this
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45 // declaration is in a separate file to reduce #include dependencies.
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46 // All actual lifetime and update control is done by the surrounding HMDState.
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47 struct HMDRenderState
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48 {
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49 // Utility query functions.
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50 ovrHmdDesc GetDesc() const;
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51 ovrSizei GetFOVTextureSize(int eye, ovrFovPort fov, float pixelsPerDisplayPixel) const;
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52 ovrEyeRenderDesc CalcRenderDesc(ovrEyeType eyeType, const ovrFovPort& fov) const;
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53
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54 HMDInfo OurHMDInfo;
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55
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56 HmdRenderInfo RenderInfo;
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57 DistortionRenderDesc Distortion[2];
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58 ovrEyeRenderDesc EyeRenderDesc[2];
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59
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60 // Clear color used for distortion
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61 float ClearColor[4];
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62
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63 // Pose at which last time the eye was rendered, as submitted by EndEyeRender.
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64 ovrPosef EyeRenderPoses[2];
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65
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66 // Capabilities passed to Configure.
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67 unsigned EnabledHmdCaps;
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68 unsigned DistortionCaps; // enum ovrDistortionCaps
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69 };
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70
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71
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72 }} // namespace OVR::CAPI
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73
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74 #endif // OVR_CAPI_HMDState_h
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