TorqueGameEngines/Torque3D
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seperated out the sum of the total weights form the sum of the factored weights

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Azaezel 2019-02-18 16:13:17 -06:00
parent a80ff9760f
commit dc729b3cae
1 changed files with 12 additions and 11 deletions
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23
Templates/Full/game/shaders/common/lighting/advanced/reflectionProbeArrayP.hlsl
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@ -114,6 +114,7 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
float blendVal[MAX_PROBES];
float blendFactor[MAX_PROBES];
float blendSum = 0;
float blendFacSum = 0;
float invBlendSum = 0;
for (i = 0; i < numProbes; i++)
@ -142,18 +143,18 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
{
blendFactor[i] = ((1.0f -blendVal[i] / blendSum)) / (numProbes - 1);
blendFactor[i] *= ((1.0f -blendVal[i]) / invBlendSum);
blendSum += blendVal[i];
blendFacSum += blendFactor[i];
}
// Normalize blendVal
#if DEBUGVIZ_ATTENUATION == 0 //this can likely be removed when we fix the above normalization behavior
if (blendSum == 0.0f) // Possible with custom weight
if (blendFacSum == 0.0f) // Possible with custom weight
{
blendSum = 1.0f;
blendFacSum = 1.0f;
}
#endif
float invBlendSumWeighted = 1.0f / blendSum;
float invBlendSumWeighted = 1.0f / blendFacSum;
for (i = 0; i < numProbes; ++i)
{
blendFactor[i] *= invBlendSumWeighted;
@ -162,7 +163,7 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
//return float4(blendFactor[0], blendFactor[0], blendFactor[0], 1);
#if DEBUGVIZ_ATTENUATION == 1
return float4(blendSum, blendSum, blendSum, 1);
return float4(blendFacSum, blendFacSum, blendFacSum, 1);
#endif
#if DEBUGVIZ_CONTRIB == 1
@ -190,17 +191,17 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
kD *= 1.0 - surface.metalness;
for (i = 0; i < numProbes; ++i)
{
if (blendVal[i] == 0)
if (blendFactor[i] == 0)
continue;
irradiance += blendVal[i]*iblBoxDiffuse(surface, i);
irradiance += blendFactor[i]*iblBoxDiffuse(surface, i);
specular += blendVal[i]*F*iblBoxSpecular(surface, TORQUE_SAMPLER2D_MAKEARG(BRDFTexture),i);
specular += blendFactor[i]*F*iblBoxSpecular(surface, TORQUE_SAMPLER2D_MAKEARG(BRDFTexture),i);
}
//final diffuse color
float3 diffuse = kD * irradiance * surface.baseColor.rgb;
float4 finalColor = float4(diffuse + specular * surface.ao, blendSum);
float4 finalColor = float4(diffuse + specular * surface.ao, blendFacSum);
return finalColor;
@ -208,7 +209,7 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
float3 cubeColor = float3(0, 0, 0);
for (i = 0; i < numProbes; ++i)
{
cubeColor += blendVal[i] * iblBoxSpecular(surface, TORQUE_SAMPLER2D_MAKEARG(BRDFTexture), i);
cubeColor += blendFactor[i] * iblBoxSpecular(surface, TORQUE_SAMPLER2D_MAKEARG(BRDFTexture), i);
}
return float4(cubeColor,1);
@ -216,7 +217,7 @@ float4 main( PFXVertToPix IN ) : SV_TARGET
float3 cubeColor = float3(0, 0, 0);
for (i = 0; i < numProbes; ++i)
{
cubeColor += blendVal[i] * iblBoxDiffuse(surface, i);
cubeColor += blendFactor[i] * iblBoxDiffuse(surface, i);
}
return float4(cubeColor, 1);