glGetMultisamplefv — retrieve the location of a sample
Specifies the sample parameter name.
pname must be
Specifies the index of the sample whose position to query.
Specifies the address of an array to receive the position of the sample.
glGetMultisamplefv queries the location of a given sample.
specifies the sample parameter to retrieve and must be
corresponds to the sample for which the location should be returned. The sample location is returned as two floating-point
val, each between 0 and 1, corresponding to the
y locations respectively in the GL pixel space of that sample. (0.5, 0.5) this corresponds to the
index must be between zero and the value of
GL_SAMPLES - 1.
If the multisample mode does not have fixed sample locations, the returned values may only reflect the locations of samples within some pixels.
GL_INVALID_ENUM is generated if
pname is not one
GL_INVALID_VALUE is generated if
index is greater than or equal to the value of
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