The opacity (alpha) as a single value (Single).

The blend mode (Single): 0 = additive blending, 1 = normal alpha blending

The skinning matrices for mesh skinning (array of Matrix).

A 4-element vector with user-defined data for debugging (Vector4).

The diffuse material color as RGB (Vector3) or RGBA (Vector4).

The albedo texture (Texture2D).

An 8-bit texture (alpha only) with 16x16 dither values (Texture or Texture2D).

The time since the previous frame in seconds (Single).

The emissive material color as RGB (Vector3) or RGBA (Vector4).

The emissive texture (Texture2D).

The power of the Fresnel term (Single).

The G-buffer texture (Texture or Texture2D).

The instance opacity (alpha) as a single value (Single).

The instance color as RGB (Vector3).

A quadratic RGBA texture (8 bit per channel) with random values (Texture or Texture2D).

The width of the quadratic JitterMap in texels (Single or Vector2).

The simulation time of the previous frame in seconds (Single).

The light buffer texture (Texture or Texture2D).

The weight of a morph target (Single or an array of Single).

A value containing NaN (Single).

A quadratic, tileable RGBA texture (8 bit per channel) with smooth noise values (Texture or Texture2D).

The normals fitting texture (Texture or Texture2D) for encoding "best fit" normals.

The surface normal texture (Texture2D).

The opacity (alpha) as a single value (Single).

The zero-based index of the current effect pass (Int32).

The reference value (Single) used for alpha testing.

The source texture which is usually the last backbuffer or the result of a previous post-processor (Texture2D).

The specular material color as RGB (Vector3) or RGBA (Vector4).

The material specular color exponent as a single value (Single) or a per-component value (Vector3).

The gloss texture (Texture2D) containing the specular intensity (not specular power).

The simulation time in seconds (Single).

The viewport width and height in pixels (Vector2).