void AppLocal::DrawEyeViewsPostDistorted( Matrix4f const & centerViewMatrix, const int numPresents )
{
const float TEXT_SCALE = 1.0f;
// update vr lib systems after the app frame, but before rendering anything
GetGuiSys().Frame( this, vrFrame, GetVRMenuMgr(), GetDefaultFont(), GetMenuFontSurface() );
GetGazeCursor().Frame( this->lastViewMatrix, vrFrame.DeltaSeconds );
if ( ShowFPS )
{
static double LastFrameTime = TimeInSeconds();
static double AccumulatedFrameInterval = 0.0;
static int NumAccumulatedFrames = 0;
static float LastFrameRate = 60.0f;
double currentFrameTime = TimeInSeconds();
double frameInterval = currentFrameTime - LastFrameTime;
AccumulatedFrameInterval += frameInterval;
NumAccumulatedFrames++;
if ( NumAccumulatedFrames > FPS_NUM_FRAMES_TO_AVERAGE ) {
double interval = ( AccumulatedFrameInterval / NumAccumulatedFrames ); // averaged
AccumulatedFrameInterval = 0.0;
NumAccumulatedFrames = 0;
LastFrameRate = 1.0f / float( interval > 0.000001 ? interval : 0.00001 );
}
fontParms_t fontParms;
fontParms.CenterHoriz = true;
fontParms.Billboard = true;
fontParms.TrackRoll = true;
const Vector3f viewPos( GetViewMatrixPosition( centerViewMatrix ) );
const Vector3f viewFwd( GetViewMatrixForward( centerViewMatrix ) );
const Vector3f textPos( viewPos + viewFwd * 1.5f );
GetWorldFontSurface().DrawTextBillboarded3Df( GetDefaultFont(),
fontParms, textPos, TEXT_SCALE, Vector4f( 1.0f, 0.0f, 0.0f, 1.0f ), "%.1f fps", LastFrameRate );
LastFrameTime = currentFrameTime;
}
if ( InfoTextEndFrame >= vrFrame.FrameNumber )
{
fontParms_t fontParms;
fontParms.CenterHoriz = true;
fontParms.Billboard = true;
fontParms.TrackRoll = true;
const Vector3f viewPos( GetViewMatrixPosition( centerViewMatrix ) );
const Vector3f viewFwd( GetViewMatrixForward( centerViewMatrix ) );
const Vector3f textPos( viewPos + viewFwd * 1.5f );
GetWorldFontSurface().DrawTextBillboarded3Df( GetDefaultFont(),
fontParms, textPos, TEXT_SCALE, Vector4f( 1.0f, 1.0f, 1.0f, 1.0f ), InfoText.ToCStr() );
}
GetMenuFontSurface().Finish( centerViewMatrix );
GetWorldFontSurface().Finish( centerViewMatrix );
GetVRMenuMgr().Finish( centerViewMatrix );
// Increase the fov by about 10 degrees if we are not holding 60 fps so
// there is less black pull-in at the edges.
//
// Doing this dynamically based just on time causes visible flickering at the
// periphery when the fov is increased, so only do it if minimumVsyncs is set.
const float fovDegrees = hmdInfo.SuggestedEyeFov +
( ( ( SwapParms.MinimumVsyncs > 1 ) || ovr_GetPowerLevelStateThrottled() ) ? 10.0f : 0.0f ) +
( ( !showVignette ) ? 5.0f : 0.0f );
// DisplayMonoMode uses a single eye rendering for speed improvement
// and / or high refresh rate double-scan hardware modes.
const int numEyes = renderMonoMode ? 1 : 2;
// Flush out and report any errors
GL_CheckErrors("FrameStart");
if ( drawCalibrationLines && calibrationLinesDrawn )
{
// doing a time warp test, don't generate new images
LOG( "drawCalibrationLines && calibrationLinesDrawn" );
}
else
{
// possibly change the buffer parameters
EyeTargets->BeginFrame( vrParms );
for (int eye = 0; eye < numEyes; eye++)
{
EyeTargets->BeginRenderingEye( eye );
// Call back to the app for drawing.
const Matrix4f mvp = appInterface->DrawEyeView( eye, fovDegrees );
DrawActivity( mvp );
DrawPassThroughCamera( fovDegrees, vrFrame.PoseState.Pose.Orientation );
GetVRMenuMgr().RenderSubmitted( mvp.Transposed() );
GetMenuFontSurface().Render3D( GetDefaultFont(), mvp.Transposed() );
GetWorldFontSurface().Render3D( GetDefaultFont(), mvp.Transposed() );
glDisable( GL_DEPTH_TEST );
glDisable( GL_CULL_FACE );
// Optionally draw thick calibration lines into the texture,
// which will be overlayed by the thinner origin cross when
// distorted to the window.
if ( drawCalibrationLines )
{
EyeDecorations.DrawEyeCalibrationLines(fovDegrees, eye);
calibrationLinesDrawn = true;
}
else
{
calibrationLinesDrawn = false;
}
DrawDialog( mvp );
GetGazeCursor().Render( eye, mvp );
GetDebugLines().Render( mvp.Transposed() );
if ( showVignette )
{
// Draw a thin vignette at the edges of the view so clamping will give black
// This will not be reflected correctly in overlay planes.
// EyeDecorations.DrawEyeVignette();
EyeDecorations.FillEdge( vrParms.resolution, vrParms.resolution );
}
EyeTargets->EndRenderingEye( eye );
}
}
// This eye set is complete, use it now.
if ( numPresents > 0 )
{
const CompletedEyes eyes = EyeTargets->GetCompletedEyes();
for ( int eye = 0 ; eye < TimeWarpParms::MAX_WARP_EYES ; eye++ )
{
SwapParms.Images[eye][0].TexCoordsFromTanAngles = TanAngleMatrixFromFov( fovDegrees );
SwapParms.Images[eye][0].TexId = eyes.Textures[renderMonoMode ? 0 : eye ];
SwapParms.Images[eye][0].Pose = SensorForNextWarp.Predicted;
}
ovr_WarpSwap( OvrMobile, &SwapParms );
}
}
void AppLocal::DrawEyeViewsPostDistorted( Matrix4f const & centerViewMatrix, const int numPresents )
{
// update vr lib systems after the app frame, but before rendering anything
GetGuiSys().Frame( this, vrFrame, GetVRMenuMgr(), GetDefaultFont(), GetMenuFontSurface(), centerViewMatrix );
GetGazeCursor().Frame( centerViewMatrix, vrFrame.DeltaSeconds );
GetMenuFontSurface().Finish( centerViewMatrix );
GetWorldFontSurface().Finish( centerViewMatrix );
GetVRMenuMgr().Finish( centerViewMatrix );
// Increase the fov by about 10 degrees if we are not holding 60 fps so
// there is less black pull-in at the edges.
//
// Doing this dynamically based just on time causes visible flickering at the
// periphery when the fov is increased, so only do it if minimumVsyncs is set.
const float fovDegrees = hmdInfo.SuggestedEyeFov[0] +
( ( ( SwapParms.MinimumVsyncs > 1 ) || ovr_GetPowerLevelStateThrottled() ) ? 10.0f : 0.0f ) +
( ( !showVignette ) ? 5.0f : 0.0f );
// DisplayMonoMode uses a single eye rendering for speed improvement
// and / or high refresh rate double-scan hardware modes.
const int numEyes = renderMonoMode ? 1 : 2;
// Flush out and report any errors
GL_CheckErrors("FrameStart");
if ( drawCalibrationLines && calibrationLinesDrawn )
{
// doing a time warp test, don't generate new images
LOG( "drawCalibrationLines && calibrationLinesDrawn" );
}
else
{
// possibly change the buffer parameters
EyeTargets->BeginFrame( vrParms );
for ( int eye = 0; eye < numEyes; eye++ )
{
EyeTargets->BeginRenderingEye( eye );
// Call back to the app for drawing.
const Matrix4f mvp = appInterface->DrawEyeView( eye, fovDegrees );
GetVRMenuMgr().RenderSubmitted( mvp.Transposed(), centerViewMatrix );
GetMenuFontSurface().Render3D( GetDefaultFont(), mvp.Transposed() );
GetWorldFontSurface().Render3D( GetDefaultFont(), mvp.Transposed() );
glDisable( GL_DEPTH_TEST );
glDisable( GL_CULL_FACE );
// Optionally draw thick calibration lines into the texture,
// which will be overlayed by the thinner origin cross when
// distorted to the window.
if ( drawCalibrationLines )
{
EyeDecorations.DrawEyeCalibrationLines( fovDegrees, eye );
calibrationLinesDrawn = true;
}
else
{
calibrationLinesDrawn = false;
}
DrawDialog( mvp );
GetGazeCursor().Render( eye, mvp );
GetDebugLines().Render( mvp.Transposed() );
if ( showVignette )
{
// Draw a thin vignette at the edges of the view so clamping will give black
// This will not be reflected correctly in overlay planes.
// EyeDecorations.DrawEyeVignette();
EyeDecorations.FillEdge( vrParms.resolution, vrParms.resolution );
}
EyeTargets->EndRenderingEye( eye );
}
}
// This eye set is complete, use it now.
if ( numPresents > 0 )
{
const CompletedEyes eyes = EyeTargets->GetCompletedEyes();
for ( int eye = 0; eye < MAX_WARP_EYES; eye++ )
{
SwapParms.Images[eye][0].TexCoordsFromTanAngles = TanAngleMatrixFromFov( fovDegrees );
SwapParms.Images[eye][0].TexId = eyes.Textures[renderMonoMode ? 0 : eye ];
SwapParms.Images[eye][0].Pose = SensorForNextWarp.Predicted;
}
ovr_WarpSwap( OvrMobile, &SwapParms );
}
}