| cameraMat4 | FWGL.Vector, FWGL.Graphics.Custom, FWGL.Graphics.D3 |
| castGeometry | FWGL.Geometry |
| castProgram | FWGL.Shader.Program |
| catEvents | FWGL |
| ceil | FWGL.Shader.Language, FWGL.Shader |
| CFloat | FWGL.Shader |
| checkFramebufferStatus | FWGL.Internal.GL |
| clamp | FWGL.Shader.Language, FWGL.Shader |
| clear | FWGL.Internal.GL |
| clearColor | FWGL.Internal.GL |
| clearDepth | FWGL.Internal.GL |
| clearStencil | FWGL.Internal.GL |
| click | FWGL.Input, FWGL |
| CM2 | FWGL.Shader |
| CM3 | FWGL.Shader |
| CM4 | FWGL.Shader |
| Color | |
| 1 (Type/Class) | FWGL.Graphics.Color, FWGL.Graphics.Custom, FWGL.Graphics.D2, FWGL.Graphics.D3 |
| 2 (Data Constructor) | FWGL.Graphics.Color, FWGL.Graphics.Custom, FWGL.Graphics.D2, FWGL.Graphics.D3 |
| colorMask | FWGL.Internal.GL |
| ColorSubLayer | FWGL.Graphics.Types |
| colorTex | FWGL.Graphics.Custom, FWGL.Graphics.D2, FWGL.Graphics.D3 |
| compileShader | FWGL.Internal.GL |
| compressedTexImage2D | FWGL.Internal.GL |
| compressedTexSubImage2D | FWGL.Internal.GL |
| const | FWGL.Shader |
| constant | FWGL |
| ContextVar | FWGL.Shader.Language |
| ContextVarType | FWGL.Shader.Language |
| copyTexImage2D | FWGL.Internal.GL |
| copyTexSubImage2D | FWGL.Internal.GL |
| cos | FWGL.Shader.Language, FWGL.Shader |
| createBuffer | FWGL.Internal.GL |
| createFramebuffer | FWGL.Internal.GL |
| createProgram | FWGL.Internal.GL |
| createRenderbuffer | FWGL.Internal.GL |
| createShader | FWGL.Internal.GL |
| createTexture | FWGL.Internal.GL |
| cross | FWGL.Shader.Language, FWGL.Shader |
| cross3 | FWGL.Vector, FWGL.Graphics.Custom |
| CSampler2D | FWGL.Shader |
| Ctx | FWGL.Backend.GLES, FWGL.Internal.GL, FWGL.Backend |
| cube | FWGL.Graphics.D3 |
| cubeGeometry | FWGL.Graphics.Shapes |
| cullFace | FWGL.Internal.GL |
| custom | FWGL.Input, FWGL |
| CV2 | FWGL.Shader |
| CV3 | FWGL.Shader |
| CV4 | FWGL.Shader |