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Need to do the same light power as Cycles in Watts for Hydra RPR #34

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Bogdan Nagirniak merged 12 commits from BLEN-386 into hydra-render 2023-05-05 08:42:35 +02:00
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1 changed files with 5 additions and 5 deletions
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10
source/blender/render/hydra/scene_delegate/light.cc
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@ -44,13 +44,13 @@ void LightData::init()
case LA_SUN:
data_[pxr::HdLightTokens->angle] = light->sun_angle * 180.0 / M_PI;
Brian Savery (AMD) commented 2023-05-03 18:51:37 +02:00
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This seems like a strange value. How was this found?

This seems like a strange value. How was this found?
Georgiy Markelov commented 2023-05-04 10:17:22 +02:00
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Every value has been found empirically.

Every value has been found empirically.
break;
case LA_SPOT:
data_[pxr::HdLightTokens->shapingConeAngle] = light->spotsize / 2;
data_[pxr::HdLightTokens->shapingConeSoftness] = light->spotblend;
data_[pxr::UsdLuxTokens->inputsShapingConeAngle] = (float)(light->spotsize / 2.0f * 180.0f / M_PI);
data_[pxr::UsdLuxTokens->inputsShapingConeSoftness] = light->spotblend;
data_[pxr::UsdLuxTokens->treatAsPoint] = true;
break;
case LA_AREA:
switch (light->area_shape) {
case LA_AREA_SQUARE:
@ -83,7 +83,7 @@ void LightData::init()
prim_type_ = prim_type(light);
/* TODO: temporary value, it should be delivered through Python UI */
data_[pxr::HdLightTokens->exposure] = 1.0f;
data_[pxr::HdLightTokens->exposure] = 0.0f;
write_transform();
}