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Oculus VR DK2 Support
- Updated to work with 0.5.x SDK - Uses Oculus Rendering rather than PostFX - Stereo rendering refactored so more rendering info is grabbed from the DisplayDevice - Implements an Offscreen Canvas for in-game gui with oculus - Message dialogs and metrics display can now go to the OffScreen Canvas (if oculus demo is setup correctly)
This commit is contained in:
James Urquhart
parent
b3170bcddf
commit
3a457749ec
56 changed files with 2654 additions and 1426 deletions
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@ -30,7 +30,16 @@
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#include "math/mPoint4.h"
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#include "platform/input/oculusVR/oculusVRConstants.h"
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#include "platform/types.h"
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#include "OVR.h"
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#include "gfx/gfxTextureHandle.h"
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#include "math/mRect.h"
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#include "gfx/gfxDevice.h"
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#include "OVR_CAPI_0_5_0.h"
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class GuiCanvas;
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class GameConnection;
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struct DisplayPose;
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class OculusVRSensorDevice;
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class OculusVRHMDDevice
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{
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@ -42,9 +51,19 @@ public:
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protected:
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bool mIsValid;
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bool mIsSimulation;
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bool mVsync;
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bool mTimewarp;
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OVR::HMDDevice* mDevice;
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bool mRenderConfigurationDirty;
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bool mFrameReady;
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ovrHmd mDevice;
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U32 mSupportedDistortionCaps;
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U32 mCurrentDistortionCaps;
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U32 mSupportedCaps;
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U32 mCurrentCaps;
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// From OVR::DeviceInfo
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String mProductName;
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@ -66,13 +85,6 @@ protected:
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// Physical screen size in meters
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Point2F mScreenSize;
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// Physical offset from the top of the screen to the center of the
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// eye, in meters. Usually half of the vertical physical screen size
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F32 mVerticalEyeCenter;
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// Physical distance from the eye to the screen
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F32 mEyeToScreen;
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// Physical distance between lens centers, in meters
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F32 mLensSeparation;
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@ -82,50 +94,25 @@ protected:
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// Physical distance between the user's eye centers
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F32 mInterpupillaryDistance;
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// The eye IPD as a Point3F
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Point3F mEyeWorldOffset;
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// Radial distortion correction coefficients used by the barrel distortion shader
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Point4F mKDistortion;
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// Chromatic aberration correction coefficients
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Point4F mChromaticAbCorrection;
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// Calculated values of eye x offset from center in normalized (uv) coordinates
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// where each eye is 0..1. Used for the mono to stereo postFX to simulate an
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// eye offset of the camera. The x component is the left eye, the y component
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// is the right eye.
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Point2F mEyeUVOffset;
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// Used to adjust where an eye's view is rendered to account for the lenses not
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// being in the center of the physical screen half.
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F32 mXCenterOffset;
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// When calculating the distortion scale to use to increase the size of the input texture
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// this determines how we should attempt to fit the distorted view into the backbuffer.
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Point2F mDistortionFit;
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// Is the factor by which the input texture size is increased to make post-distortion
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// result distortion fit the viewport. If the input texture is the same size as the
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// backbuffer, then this should be 1.0.
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F32 mDistortionScale;
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// Aspect ratio for a single eye
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F32 mAspectRatio;
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// Vertical field of view
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F32 mYFOV;
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// The amount to offset the projection matrix to account for the eye not being in the
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// center of the screen.
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Point2F mProjectionCenterOffset;
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// Current pose of eyes
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ovrPosef mCurrentEyePoses[2];
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ovrEyeRenderDesc mEyeRenderDesc[2];
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ovrFovPort mCurrentFovPorts[2];
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Point2I mWindowSize;
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GameConnection *mConnection;
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OculusVRSensorDevice *mSensor;
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U32 mActionCodeIndex;
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protected:
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F32 calcScale(F32 fitRadius);
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void calculateValues(bool calculateDistortionScale);
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void createSimulatedPreviewRift(bool calculateDistortionScale);
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void updateRenderInfo();
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public:
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OculusVRHMDDevice();
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@ -134,13 +121,12 @@ public:
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void cleanUp();
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// Set the HMD properties based on information from the OVR device
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void set(OVR::HMDDevice* hmd, OVR::HMDInfo& info, bool calculateDistortionScale);
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void set(ovrHmd hmd, U32 actionCodeIndex);
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// Set the HMD properties based on a simulation of the given type
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void createSimulation(SimulationTypes simulationType, bool calculateDistortionScale);
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// Sets optimal display size for canvas
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void setOptimalDisplaySize(GuiCanvas *canvas);
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bool isValid() const {return mIsValid;}
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bool isSimulated() const {return mIsSimulation;}
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const char* getProductName() const { return mProductName.c_str(); }
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const char* getManufacturer() const { return mManufacturer.c_str(); }
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@ -161,13 +147,6 @@ public:
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// Physical screen size in meters
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const Point2F& getScreenSize() const { return mScreenSize; }
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// Physical offset from the top of the screen to the center of the
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// eye, in meters. Usually half of the vertical physical screen size
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F32 getVerticalEyeCenter() const { return mVerticalEyeCenter; }
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// Physical distance from the eye to the screen
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F32 getEyeToScreen() const { return mEyeToScreen; }
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// Physical distance between lens centers, in meters
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F32 getLensSeparation() const { return mLensSeparation; }
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@ -178,37 +157,78 @@ public:
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F32 getIPD() const { return mInterpupillaryDistance; }
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// Set a new physical distance between the user's eye centers
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void setIPD(F32 ipd, bool calculateDistortionScale);
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// Provides the IPD of one eye as a Point3F
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const Point3F& getEyeWorldOffset() const { return mEyeWorldOffset; }
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// Radial distortion correction coefficients used by the barrel distortion shader
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const Point4F& getKDistortion() const { return mKDistortion; }
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// Chromatic aberration correction coefficients used by the barrel distortion shader
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const Point4F& getChromaticAbCorrection() const { return mChromaticAbCorrection; }
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// Calculated values of eye x offset from center in normalized (uv) coordinates.
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const Point2F& getEyeUVOffset() const { return mEyeUVOffset; }
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// Used to adjust where an eye's view is rendered to account for the lenses not
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// being in the center of the physical screen half.
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F32 getCenterOffset() const { return mXCenterOffset; }
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// Is the factor by which the input texture size is increased to make post-distortion
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// result distortion fit the viewport.
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F32 getDistortionScale() const { return mDistortionScale; }
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// Aspect ration for a single eye
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F32 getAspectRation() const { return mAspectRatio; }
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// Vertical field of view
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F32 getYFOV() const { return mYFOV; }
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void setIPD(F32 ipd);
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// The amount to offset the projection matrix to account for the eye not being in the
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// center of the screen.
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const Point2F& getProjectionCenterOffset() const { return mProjectionCenterOffset; }
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void getStereoViewports(RectI *dest) const { dMemcpy(dest, mEyeViewport, sizeof(mEyeViewport)); }
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void getStereoTargets(GFXTextureTarget **dest) const { dest[0] = mEyeRT[0]; dest[1] = mEyeRT[1]; }
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void getFovPorts(FovPort *dest) const { dMemcpy(dest, mCurrentFovPorts, sizeof(mCurrentFovPorts)); }
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/// Returns eye offsets in torque coordinate space, i.e. z being up, x being left-right, and y being depth (forward).
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void getEyeOffsets(Point3F *offsets) const {
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offsets[0] = Point3F(-mEyeRenderDesc[0].HmdToEyeViewOffset.x, mEyeRenderDesc[0].HmdToEyeViewOffset.z, -mEyeRenderDesc[0].HmdToEyeViewOffset.y);
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offsets[1] = Point3F(-mEyeRenderDesc[1].HmdToEyeViewOffset.x, mEyeRenderDesc[1].HmdToEyeViewOffset.z, -mEyeRenderDesc[1].HmdToEyeViewOffset.y); }
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void getFrameEyePose(DisplayPose *outPose, U32 eyeId) const;
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void updateCaps();
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void onStartFrame();
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void onEndFrame();
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void onDeviceDestroy();
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Point2I generateRenderTarget(GFXTextureTargetRef &target, GFXTexHandle &texture, GFXTexHandle &depth, Point2I desiredSize);
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void clearRenderTargets();
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bool isDisplayingWarning();
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void dismissWarning();
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bool setupTargets();
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/// Designates canvas we are drawing to. Also updates render targets
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void setDrawCanvas(GuiCanvas *canvas) { if (mDrawCanvas != canvas) { mDrawCanvas = canvas; } updateRenderInfo(); }
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virtual void setCurrentConnection(GameConnection *connection) { mConnection = connection; }
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virtual GameConnection* getCurrentConnection() { return mConnection; }
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String dumpMetrics();
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// Stereo RT
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GFXTexHandle mStereoTexture;
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GFXTexHandle mStereoDepthTexture;
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GFXTextureTargetRef mStereoRT;
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// Eye RTs (if we are using separate targets)
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GFXTextureTargetRef mEyeRT[2];
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GFXTexHandle mEyeTexture[2];
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GFXTexHandle mEyeDepthTexture[2];
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// Current render target size for each eye
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Point2I mEyeRenderSize[2];
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// Recommended eye target size for each eye
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ovrSizei mRecomendedEyeTargetSize[2];
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// Desired viewport for each eye
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RectI mEyeViewport[2];
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F32 mCurrentPixelDensity;
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F32 smDesiredPixelDensity;
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ovrTrackingState mLastTrackingState;
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GFXDevice::GFXDeviceRenderStyles mDesiredRenderingMode;
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GFXFormat mRTFormat;
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// Canvas we should be drawing
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GuiCanvas *mDrawCanvas;
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OculusVRSensorDevice *getSensorDevice() { return mSensor; }
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};
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#endif // _OCULUSVRHMDDEVICE_H_
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