Using the -i option, you can generate the intermediate tree (glslang AST, AST is the not structured flow control representation of the GLSL shader). GLSL Version: 4.20 glslang LunarG Khronos.24740 1 12:29:55Īccording to the documentation, the current version of glslangValidator supports GLSL shaders up to GLSL #version 1.40 / OpenGL 3.1 (so why it tells that version 140 is not yet complete? Is it related to the machine I currently use to write this new?). The current version of glslangValidator can be checked withĮSSL Version: OpenGL ES GLSL 3.00 glslang LunarG Khronos.24740 1 12:29:55 Now if I remove the at the line 11, here is the output:ĮRROR: 1 compilation errors. Warning, version 140 is not yet complete most features are present, but a few are missing. To validate this vertex shader (file vs.vert), just use type this command: Vec4 eye = gxl3d_ModelViewMatrix * gxl3d_Position Gl_Position = gxl3d_ModelViewProjectionMatrix * gxl3d_Position Uniform mat4 gxl3d_ModelViewProjectionMatrix I quickly tested glslLangValidator with the following GLSL 1.40 (OpenGL 3.1) vertex shader took from GLSL Hacker code sample pack. You can download the command line version from HERE. More information about can be found here: OpenGL / OpenGL ES Reference Compiler. It is open and free for anyone to use, either from a command line or programmatically. It implements a strict interpretation of the specifications for these languages. glslLangValidator is the official reference compiler front end for both OpenGL ES and OpenGL shading languages. GlslLangValidator is GLSL tool for Windows / Linux released by the Khronos Group.
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