void CPixelVisibilityQuery::IssueQuery( IMatRenderContext *pRenderContext, float proxySize, float proxyAspect, IMaterial *pMaterial, bool sizeIsScreenSpace )
{
if ( !m_failed )
{
Assert( IsValid() );
if ( r_pixelvisibility_spew.GetBool() && CurrentViewID() == 0 )
{
DevMsg( 1, "Draw Proxy: qh:%d org:<%d,%d,%d> (frame:%d)\n", (int)m_queryHandle, (int)m_origin[0], (int)m_origin[1], (int)m_origin[2], gpGlobals->framecount );
}
m_clipFraction = PixelVisibility_DrawProxy( pRenderContext, m_queryHandle, m_origin, proxySize, proxyAspect, pMaterial, sizeIsScreenSpace );
if ( m_clipFraction < 0 )
{
// NOTE: In this case, the proxy wasn't issued cause it was offscreen
// can't set the m_frameissued field since that would cause it to get marked as failed
m_clipFraction = 0;
m_wasQueriedThisFrame = false;
m_failed = false;
return;
}
}
#ifndef PORTAL // FIXME: In portal we query visibility multiple times per frame because of portal renders!
Assert ( ( m_frameIssued != gpGlobals->framecount ) || UseVR() );
#endif
m_frameIssued = gpGlobals->framecount;
m_wasQueriedThisFrame = false;
m_failed = false;
}
void CPixelVisibilityQuery::IssueCountingQuery( IMatRenderContext *pRenderContext, float proxySize, float proxyAspect, IMaterial *pMaterial, bool sizeIsScreenSpace )
{
if ( !m_failed )
{
Assert( IsValid() );
#if 0
// this centers it on the screen.
// This is nice because it makes the glows fade as they get partially clipped by the view frustum
// But it introduces sub-pixel errors (off by one row/column of pixels) so the glows shimmer
// UNDONE: Compute an offset center coord that matches sub-pixel coords with the real glow position
// UNDONE: Or frustum clip the sphere/geometry and fade based on proxy size
Vector origin = m_origin - CurrentViewOrigin();
float dot = DotProduct(CurrentViewForward(), origin);
origin = CurrentViewOrigin() + dot * CurrentViewForward();
#endif
PixelVisibility_DrawProxy( pRenderContext, m_queryHandleCount, m_origin, proxySize, proxyAspect, pMaterial, sizeIsScreenSpace );
}
}
void CPixelVisibilityQuery::IssueQuery( float proxySize, float proxyAspect, IMaterial *pMaterial, bool sizeIsScreenSpace )
{
if ( !m_failed )
{
Assert( IsValid() );
if ( r_pixelvisibility_spew.GetBool() && CurrentViewID() == 0 )
{
DevMsg( 1, "Draw Proxy: qh:%d org:<%d,%d,%d> (frame:%d)\n", m_queryHandle, (int)m_origin[0], (int)m_origin[1], (int)m_origin[2], gpGlobals->framecount );
}
m_clipFraction = PixelVisibility_DrawProxy( m_queryHandle, m_origin, proxySize, proxyAspect, pMaterial, sizeIsScreenSpace );
}
m_frameIssued = gpGlobals->framecount;
m_wasQueriedThisFrame = false;
m_failed = false;
}
