GLGETMULTISAMPLEFV - Online Linux Manual PageSection : 3G
Updated : 01/20/2022
Source : [FIXME: source]
Note : [FIXME: manual]
NAMEglGetMultisamplefv − retrieve the location of a sample
C SPECIFICATIONvoid glGetMultisamplefv(GLenum pname, GLuint index, GLfloat *val);
PARAMETERSpname Specifies the sample parameter name. pname must be GL_SAMPLE_POSITION. index Specifies the index of the sample whose position to query. val Specifies the address of an array to receive the position of the sample.
DESCRIPTIONglGetMultisamplefv 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[0] and val[1], 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 one. If the multisample mode does not have fixed sample locations, the returned values may only reflect the locations of samples within some pixels.
ERRORSGL_INVALID_ENUM is generated if pname is not one GL_SAMPLE_POSITION. GL_INVALID_VALUE is generated if index is greater than or equal to the value of GL_SAMPLES.
VERSION SUPPORT OpenGL Version Function / Feature Name 2.0 none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'> 2.1 3.0 3.1 3.2 3.3 4.0 4.1 4.2 4.3 4.4 4.5 glGetMultisamplefv − − − − ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
SEE ALSOglGenFramebuffers(), glBindFramebuffer()
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