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.