opengl Shaders
Syntax
- #version version_number // Which GLSL version we are using
- void main() { /* Code */ } // Shader's main function
- in type name; // Specifies an input parameter - GLSL 1.30
- out type name; // Specifies an output parameter - GLSL 1.30
- inout type name; // Parameter for both input and output - GLSL 1.30
Parameters
| Parameter | Details |
|---|---|
| type | The parameter's type, it has to be a GLSL built-in type. |
Remarks
To specify which version of GLSL should be used to compile a shader, use the version preprocessor e.g. #version 330. Each version of OpenGL is required to support specific versions of GLSL. If a #version preprocessor is not defined at the top of a shader, the default version 1.10 is used.
