Baseline Widely available
Note: This feature is available in Web Workers.
The WebGLRenderingContext.getTexParameter() method of the WebGL API returns information about the given texture.
getTexParameter(target, pname)
target
A GLenum specifying the binding point (target). Possible values:
gl.TEXTURE_2D: A two-dimensional texture.gl.TEXTURE_CUBE_MAP: A cube-mapped texture.When using a WebGL 2 context, the following values are available additionally:
gl.TEXTURE_3D: A three-dimensional texture.gl.TEXTURE_2D_ARRAY: A two-dimensional array texture.pname
A GLenum specifying the information to query. Possible values:
gl.TEXTURE_MAG_FILTER GLenum Texture magnification filter gl.LINEAR (default value), gl.NEAREST. gl.TEXTURE_MIN_FILTER GLenum Texture minification filter gl.LINEAR, gl.NEAREST, gl.NEAREST_MIPMAP_NEAREST, gl.LINEAR_MIPMAP_NEAREST, gl.NEAREST_MIPMAP_LINEAR (default value), gl.LINEAR_MIPMAP_LINEAR. gl.TEXTURE_WRAP_S GLenum Wrapping function for texture coordinate s gl.REPEAT (default value), gl.CLAMP_TO_EDGE, gl.MIRRORED_REPEAT. gl.TEXTURE_WRAP_T GLenum Wrapping function for texture coordinate t gl.REPEAT (default value), gl.CLAMP_TO_EDGE, gl.MIRRORED_REPEAT. Additionally available when using the EXT_texture_filter_anisotropic extension ext.TEXTURE_MAX_ANISOTROPY_EXT GLfloat Maximum anisotropy for a texture Any float values. Additionally available when using a WebGL 2 context gl.TEXTURE_BASE_LEVEL GLint Texture mipmap level Any int values. gl.TEXTURE_COMPARE_FUNC GLenum Comparison function gl.LEQUAL (default value), gl.GEQUAL, gl.LESS, gl.GREATER, gl.EQUAL, gl.NOTEQUAL, gl.ALWAYS, gl.NEVER. gl.TEXTURE_COMPARE_MODE GLenum Texture comparison mode gl.NONE (default value), gl.COMPARE_REF_TO_TEXTURE. gl.TEXTURE_IMMUTABLE_FORMAT GLboolean Immutability of the texture format and size true or false. gl.TEXTURE_IMMUTABLE_LEVELS GLuint ? Any uint values. gl.TEXTURE_MAX_LEVEL GLint Maximum texture mipmap array level Any int values. gl.TEXTURE_MAX_LOD GLfloat Texture maximum level-of-detail value Any float values. gl.TEXTURE_MIN_LOD GLfloat Texture minimum level-of-detail value Any float values. gl.TEXTURE_WRAP_R GLenum Wrapping function for texture coordinate r gl.REPEAT (default value), gl.CLAMP_TO_EDGE, gl.MIRRORED_REPEAT.
Returns the requested texture information (as specified with pname). If an error occurs, null is returned.
gl.getTexParameter(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER);
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