if (featureFlags & LIGHTFEATUREFLAGS_SSREFRACTION)
EVALUATE_BSDF_ENV(envLightData, REFRACTION, refraction);
}
// Only apply the sky IBL if the sky texture is available
if ((featureFlags & LIGHTFEATUREFLAGS_SKY) && _EnvLightSkyEnabled)
{
// The sky is a single cubemap texture separate from the reflection probe texture array (different resolution and compression)
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_SKY;
// The sky data are generated on the fly so the compiler can optimize the code
EnvLightData envLightSky = InitSkyEnvLightData(0);
EVALUATE_BSDF_ENV(envLightSky, REFLECTION, reflection);
if (featureFlags & LIGHTFEATUREFLAGS_SSREFRACTION)
EVALUATE_BSDF_ENV(envLightSky, REFRACTION, refraction);
}
}
// Following loop iterations
context.sampleReflection = SINGLE_PASS_CONTEXT_SAMPLE_REFLECTION_PROBES;
// Note: In case of IBL we are sorted from smaller to bigger projected solid angle bounds. We are not sorted by type so we can't do a 'while' approach like for area light.
for (i = 0 ; i < envLightCount && reflectionHierarchyWeight < 1.0; ++i)
for (i = 1 ; i < envLightCount && reflectionHierarchyWeight < 1.0; ++i)
{
uint envLightIndex = FETCHINDEX(i);
EVALUATE_BSDF_ENV(_EnvLightDatas[envLightIndex], REFLECTION, reflection);
// We reuse LIGHTFEATUREFLAGS_SSREFRACTION flag as refraction is mainly base on the screen. Would be aa waste to not use screen and only cubemap.
if (featureFlags & LIGHTFEATUREFLAGS_SSREFRACTION)
{
for (i = 0 ; i < envLightCount && refractionHierarchyWeight < 1.0; ++i)
for (i = 1 ; i < envLightCount && refractionHierarchyWeight < 1.0; ++i)
{
uint envLightIndex = FETCHINDEX(i);
EVALUATE_BSDF_ENV(_EnvLightDatas[envLightIndex], REFRACTION, refraction);
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