Flywheel/docs/shader-api/common.glsl

/// Get the light at the given world position.
/// This may be interpolated for smooth lighting.
bool flw_light(vec3 worldPos, vec3 normal, out vec3 light);

/// Fetches the light value at the given block position.
/// Returns false if the light for the given block is not available.
bool flw_lightFetch(ivec3 blockPos, out vec2 light);
Light in the shade - Expose light in the shader api - flw_light - for builtin smooth lighting, faster than can be implemented by materials alone - flw_lightFetch - for materials that want to go crazy, access to raw data 2024-07-06 04:27:26 +02:00			`/// Get the light at the given world position.`
			`/// This may be interpolated for smooth lighting.`
Ayo! - Calculate AO in flw_light - Pack block light, sky light, and valid block count into a single uint when reading the 3x3x3 light volume for a fragment. This saves a significant amount of memory and integer additions in the shader, but does require slightly more alu ops overall for the packing/unpacking - Add pragma optionNV (unroll all) for significant perf boost, may want to manually unroll to be cross-platform - Remove redundant flw_light 2024-08-01 20:12:47 +02:00			`bool flw_light(vec3 worldPos, vec3 normal, out vec3 light);`
Light in the shade - Expose light in the shader api - flw_light - for builtin smooth lighting, faster than can be implemented by materials alone - flw_lightFetch - for materials that want to go crazy, access to raw data 2024-07-06 04:27:26 +02:00
			`/// Fetches the light value at the given block position.`
			`/// Returns false if the light for the given block is not available.`
			`bool flw_lightFetch(ivec3 blockPos, out vec2 light);`