nCine/Graphics/RHI/LightingCombine.h file

Namespaces

namespace nCine

Root namespace of nCine game engine.

namespace nCine::RHI

Render Hardware Interface — compile-time-selectable graphics backend abstraction.

Functions

auto ClampLightmapChannel(float v) -> float

Clamps one raw lightmap channel into the [0, 1] the factor formula assumes.

auto LightingCombineFactor(float r, float g, float amb) -> float

The multiply-only lighting factor for ONE ambient channel.

void LightingCombineFactors(float r, float g, float ambR, float ambG, float ambB, float& outR, float& outG, float& outB)

The multiply-only lighting factors for all three ambient channels at once.

auto AmbientLuminance(float r, float g, float b) -> float

Rec.601 luminance of an ambient colour, for a lightmap store with no colour channels.