diff options
Diffstat (limited to 'LibOVR/Src/Util/Util_Render_Stereo.h')
| -rw-r--r-- | LibOVR/Src/Util/Util_Render_Stereo.h | 46 |
1 files changed, 39 insertions, 7 deletions
diff --git a/LibOVR/Src/Util/Util_Render_Stereo.h b/LibOVR/Src/Util/Util_Render_Stereo.h index 2ad9103..326059e 100644 --- a/LibOVR/Src/Util/Util_Render_Stereo.h +++ b/LibOVR/Src/Util/Util_Render_Stereo.h @@ -349,6 +349,37 @@ void DistortionMeshCreate( DistortionMeshVertexData **ppVertices, UInt16 **ppTri void DistortionMeshDestroy ( DistortionMeshVertexData *pVertices, UInt16 *pTriangleMeshIndices ); +//----------------------------------------------------------------------------------- +// ***** Heightmap Mesh Rendering +// + +// Stores both texture UV coords, or tan(angle) values. +// This struct *must* be binary compatible with CAPI ovrHeightmapVertex. +struct HeightmapMeshVertexData +{ + // [-1,+1],[-1,+1] over the entire framebuffer. + Vector2f ScreenPosNDC; + // [0.0-1.0] interpolation value for timewarping - see documentation for details. + float TimewarpLerp; + // The vectors in tan(angle) space. + // Scale and offset by the values in StereoEyeParams.EyeToSourceUV.Scale + // and StereoParams.EyeToSourceUV.Offset to get to real texture UV coords. + Vector2f TanEyeAngles; +}; + + +void HeightmapMeshCreate ( HeightmapMeshVertexData **ppVertices, UInt16 **ppTriangleListIndices, + int *pNumVertices, int *pNumTriangles, + const StereoEyeParams &stereoParams, const HmdRenderInfo &hmdRenderInfo ); + +// Generate heightmap mesh for a eye. This version requires less data then stereoParms, supporting +// dynamic change in render target viewport. +void HeightmapMeshCreate( HeightmapMeshVertexData **ppVertices, UInt16 **ppTriangleListIndices, + int *pNumVertices, int *pNumTriangles, bool rightEye, + const HmdRenderInfo &hmdRenderInfo, const ScaleAndOffset2D &eyeToSourceNDC ); + +void HeightmapMeshDestroy ( HeightmapMeshVertexData *pVertices, UInt16 *pTriangleMeshIndices ); + //----------------------------------------------------------------------------------- @@ -380,7 +411,8 @@ PredictionValues PredictionGetDeviceValues ( const HmdRenderInfo &hmdRenderInfo, // (which may have been computed later on, and thus is more accurate), and this // will return the matrix to pass to the timewarp distortion shader. // TODO: deal with different handedness? -Matrix4f TimewarpComputePoseDelta ( Matrix4f const &renderedViewFromWorld, Matrix4f const &predictedViewFromWorld ); +Matrix4f TimewarpComputePoseDelta ( Matrix4f const &renderedViewFromWorld, Matrix4f const &predictedViewFromWorld, Matrix4f const&eyeViewAdjust ); +Matrix4f TimewarpComputePoseDeltaPosition ( Matrix4f const &renderedViewFromWorld, Matrix4f const &predictedViewFromWorld, Matrix4f const&eyeViewAdjust ); @@ -402,7 +434,7 @@ public: // and the predicted pose of the HMD at that time. // You usually only need to call one of these functions. double GetViewRenderPredictionTime(); - Posef GetViewRenderPredictionPose(SensorFusion &sfusion); + Transformf GetViewRenderPredictionPose(SensorFusion &sfusion); // Timewarp prediction functions. You usually only need to call one of these three sets of functions. @@ -411,13 +443,13 @@ public: double GetVisiblePixelTimeStart(); double GetVisiblePixelTimeEnd(); // Predicted poses of the HMD at those first and last pixels. - Posef GetPredictedVisiblePixelPoseStart(SensorFusion &sfusion); - Posef GetPredictedVisiblePixelPoseEnd (SensorFusion &sfusion); + Transformf GetPredictedVisiblePixelPoseStart(SensorFusion &sfusion); + Transformf GetPredictedVisiblePixelPoseEnd (SensorFusion &sfusion); // The delta matrices to feed to the timewarp distortion code, // given the pose that was used for rendering. // (usually the one returned by GetViewRenderPredictionPose() earlier) - Matrix4f GetTimewarpDeltaStart(SensorFusion &sfusion, Posef const &renderedPose); - Matrix4f GetTimewarpDeltaEnd (SensorFusion &sfusion, Posef const &renderedPose); + Matrix4f GetTimewarpDeltaStart(SensorFusion &sfusion, Transformf const &renderedPose); + Matrix4f GetTimewarpDeltaEnd (SensorFusion &sfusion, Transformf const &renderedPose); // Just-In-Time distortion aims to delay the second sensor reading & distortion @@ -448,7 +480,7 @@ private: float DistortionTimeAverage; // Pose at which last time the eye was rendered. - Posef EyeRenderPoses[2]; + Transformf EyeRenderPoses[2]; // Absolute time of the last present+flush double LastFramePresentFlushTime; |