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Code Issues 123 Wiki Activity

fix gtao glitches; add timer to measure animation phase

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Wls50
2025-11-24 21:22:19 +01:00
committed by Hirek
parent 0820873a45
commit a22f449ecd
11 changed files with 71 additions and 21 deletions
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12
betterRenderer/renderer/source/XeGTAO.h
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@@ -161,21 +161,21 @@ namespace XeGTAO
template<class T> inline T clamp( T const & v, T const & min, T const & max ) { assert( max >= min ); if( v < min ) return min; if( v > max ) return max; return v; }
// If using TAA then set noiseIndex to frameIndex % 64 - otherwise use 0
inline void GTAOUpdateConstants( XeGTAO::GTAOConstants& consts, int viewportWidth, int viewportHeight, const XeGTAO::GTAOSettings & settings, const float projMatrix[16], bool rowMajor, unsigned int frameCounter )
inline void GTAOUpdateConstants( XeGTAO::GTAOConstants& consts, int viewportWidth, int viewportHeight, const XeGTAO::GTAOSettings & settings, const glm::mat4& projMatrix, bool rowMajor, unsigned int frameCounter )
{
consts.ViewportSize = { viewportWidth, viewportHeight };
consts.ViewportPixelSize = { 1.0f / (float)viewportWidth, 1.0f / (float)viewportHeight };
float depthLinearizeMul = (rowMajor)?(-projMatrix[3 * 4 + 2]):(-projMatrix[3 + 2 * 4]); // float depthLinearizeMul = ( clipFar * clipNear ) / ( clipFar - clipNear );
float depthLinearizeAdd = (rowMajor)?( projMatrix[2 * 4 + 2]):( projMatrix[2 + 2 * 4]); // float depthLinearizeAdd = clipFar / ( clipFar - clipNear );
float depthLinearizeMul = -projMatrix[3][2]; // float depthLinearizeMul = ( clipFar * clipNear ) / ( clipFar - clipNear );
float depthLinearizeAdd = -projMatrix[2][2]; // float depthLinearizeAdd = clipFar / ( clipFar - clipNear );
// correct the handedness issue. need to make sure this below is correct, but I think it is.
if( depthLinearizeMul * depthLinearizeAdd < 0 )
depthLinearizeAdd = -depthLinearizeAdd;
consts.DepthUnpackConsts = { -depthLinearizeMul, depthLinearizeAdd };
consts.DepthUnpackConsts = { depthLinearizeMul, depthLinearizeAdd };
float tanHalfFOVY = 1.0f / ((rowMajor)?(projMatrix[1 * 4 + 1]):(projMatrix[1 + 1 * 4])); // = tanf( drawContext.Camera.GetYFOV( ) * 0.5f );
float tanHalfFOVX = 1.0F / ((rowMajor)?(projMatrix[0 * 4 + 0]):(projMatrix[0 + 0 * 4])); // = tanHalfFOVY * drawContext.Camera.GetAspect( );
float tanHalfFOVY = 1.0f / projMatrix[1][1]; // = tanf( drawContext.Camera.GetYFOV( ) * 0.5f );
float tanHalfFOVX = 1.0F / projMatrix[0][0]; // = tanHalfFOVY * drawContext.Camera.GetAspect( );
consts.CameraTanHalfFOV = { tanHalfFOVX, tanHalfFOVY };
consts.NDCToViewMul = { consts.CameraTanHalfFOV.x * 2.0f, consts.CameraTanHalfFOV.y * -2.0f };