Built-in Shader Uniforms

To use built-in shader variables, you need to include the corresponding chunks first. All currently available built-in uniforms, grouped by the chunks they are located:

cc-local.chunk

Name	Type	Info
cc_matWorld	mat4	model to world transform matrix
cc_matWorldIT	mat4	inverse-transpose of model to world transform matrix

cc-global.chunk

Name	Type	Info
cc_time	vec4	x: seconds since engine started
cc_screenSize	vec4	xy: shading screen size zw: reciprocal of shading screen size
cc_screenScale	vec4	xy: screen scale zw: reciprocal of screen scale
cc_nativeSize	vec4	xy: canvas size zw: reciprocal of canvas size
cc_matView	mat4	view transform matrix
cc_matViewInv	mat4	inverse view matrix
cc_matProj	mat4	projection transform matrix
cc_matProjInv	mat4	inverse projection transform matrix
cc_matViewProj	mat4	view-projection transform matrix
cc_matViewProjInv	mat4	inverse view-projection transform matrix
cc_cameraPos	vec4	xyz: camera position
cc_exposure	vec4	x: camera exposure y: reciprocal of camera exposure z: is HDR enabled w: HDR-LDR scaling factor
cc_mainLitDir	vec4	xyz: direction of the main directional light
cc_mainLitColor	vec4	xyz: color of the main directional light w: intensity
cc_ambientSky	vec4	xyz: ambient sky color w: intensity
cc_ambientGround	vec4	xyz: ambient ground color

cc-environment.chunk

Name	Type	Info
cc_environment	samplerCube	IBL environment map

cc-forward-light.chunk

Name	Type	Info
cc_lightPos[LIGHTS_PER_PASS]	vec4	xyz: light source position  w: valid light source type 0: directional light, 1: spherical light, 2: spotlight, 3: point light, 4: range directional light, 5: unknown
cc_lightColor[LIGHTS_PER_PASS]	vec4	xyz: spherical light color w: spherical light intensity
cc_lightSizeRangeAngle[LIGHTS_PER_PASS]	vec4	x: light source size, y: light source range, z: cos(outer half-angle), w: enable shadow
cc_lightDir[LIGHTS_PER_PASS]	vec4	xyz: direction, w: unused
cc_lightBoundingSizeVS[LIGHTS_PER_PASS]	vec4	xyz: range directional light node half-scale

cc-shadow.chunk

Name	Type	Info
cc_matLightPlaneProj	mat4	planar shadow transform matrix
cc_shadowColor	vec4	shadow color