glGetShaderiv — Returns a parameter from a shader object
Specifies the shader object to be queried.
Specifies the object parameter. Accepted symbolic names are
Returns the requested object parameter.
glGetShader returns in
params the value of a parameter for a specific shader object. The following parameters are defined:
shader is a vertex shader object,
shader is a geometry shader object, and
shader is a fragment shader object.
shader is currently flagged for deletion, and
GL_TRUE if the last compile operation on
shader was successful, and
params returns the number of characters in the information log for
shader including the null termination character (i.e., the size of the character buffer required to store the information log). If
shader has no information log, a value of 0 is returned.
params returns the length of the concatenation of the source strings that make up the shader source for the
shader, including the null termination character. (i.e., the size of the character buffer required to store the shader source). If no source code exists, 0 is returned.
GL_INVALID_VALUE is generated if
shader is not a value generated by OpenGL.
GL_INVALID_OPERATION is generated if
shader does not refer to a shader object.
GL_INVALID_ENUM is generated if
pname is not an accepted value.
glGetShaderInfoLog with argument
glGetShaderSource with argument
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