glGetMultisamplefv - retrieve the location of a sample
void glGetMultisamplefv(GLenum pname,
Specifies the sample parameter name. pname must be
Specifies the index of the sample whose position to
Specifies the address of an array to receive the position
of the sample.
glGetMultisamplefv queries the location of a given sample. pname
specifies the sample parameter to retrieve and must be
GL_SAMPLE_POSITION. index corresponds to the sample for which
the location should be returned. The sample location is returned as two
floating-point values in val and val, each between 0 and
1, corresponding to the x and y locations respectively in the GL
pixel space of that sample. (0.5, 0.5) this corresponds to the pixel center.
index must be between zero and the value of GL_SAMPLES minus
If the multisample mode does not have fixed sample locations, the
returned values may only reflect the locations of samples within some
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 GL_SAMPLES.
Copyright © 2010-2014 Khronos Group. This material may be distributed
subject to the terms and conditions set forth in the Open Publication License,
v 1.0, 8 June 1999. http://opencontent.org/openpub/.
Copyright © 2010-2014 Khronos Group
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