GLSL - unresolved external on Visual C++

I'm getting started with the GLSL. What should i do to resolve this:

error LNK2001: unresolved external symbol _pglLinkProgram
error LNK2001: unresolved external symbol _pglAttachShader
error LNK2001: unresolved external symbol _pglCompileShader
error LNK2001: unresolved external symbol _pglShaderSource
error LNK2001: unresolved external symbol _pglCreateShader
error LNK2001: unresolved external symbol _pglCreateProgram
error LNK2001: unresolved external 开发者_如何学Pythonsymbol _pglGetProgramInfoLog
error LNK2001: unresolved external symbol _pglGetProgramiv
error LNK2001: unresolved external symbol _pglUseProgram

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You seem to be using some form of library that wraps GL entrypoints (the entrypoints you list are not direct GL entrypoints).

This library (GLEE ?) likely is coming with a .lib file that you need to link against.

Coming from the project page of GLEE (my guess, based on a quick googling of who is using the prefix p for GL calls):

Usage examples

To use GLee, include GLee.h, then simply link to GLee.lib or alternatively add GLee.c to your project.

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You have to link your program against opengl32.lib, see here.

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I recommend you start using GLEW since OpenGL > 1.5 on Windows is a bit of a pain in the ass. This will get you all OpenGL entry points without messing with extension pointers.