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glGetTexParameter

Name

glGetTexParameter — return texture parameter values

C Specification

void glGetTexParameterfv(GLenum target,
GLenum pname,
GLfloat * params);
void glGetTexParameteriv(GLenum target,
GLenum pname,
GLint * params);

Parameters

target

Specifies the symbolic name of the target texture of the active texture unit. GL_TEXTURE_2D and GL_TEXTURE_CUBE_MAP are accepted.

pname

Specifies the symbolic name of a texture parameter. GL_TEXTURE_MAG_FILTER, GL_TEXTURE_MIN_FILTER, GL_TEXTURE_WRAP_S, and GL_TEXTURE_WRAP_T are accepted.

params

Returns the texture parameter.

Description

glGetTexParameter returns in params the value of the texture parameter specified as pname. target defines the target texture of the active texture unit, either GL_TEXTURE_2D or GL_TEXTURE_CUBE_MAP, to specify two-dimensional or cube-mapped texturing. pname accepts the same symbols as glTexParameter, with the same interpretations:

GL_TEXTURE_MAG_FILTER

Returns the single-valued texture magnification filter, a symbolic constant. The initial value is GL_LINEAR.

GL_TEXTURE_MIN_FILTER

Returns the single-valued texture minification filter, a symbolic constant. The initial value is GL_NEAREST_MIPMAP_LINEAR.

GL_TEXTURE_WRAP_S

Returns the single-valued wrapping function for texture coordinate s, a symbolic constant. The initial value is GL_REPEAT.

GL_TEXTURE_WRAP_T

Returns the single-valued wrapping function for texture coordinate t, a symbolic constant. The initial value is GL_REPEAT.

Notes

If an error is generated, no change is made to the contents of params.

Errors

GL_INVALID_ENUM is generated if target or pname is not an accepted value.

See Also

glTexParameter

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