glIsEnabled Function

GL_APICALL GLboolean GL_APIENTRY glIsEnabled(
     GLenum cap
);

	Name	Description
in	cap	Name of feature to check

Returns GL_TRUE when the target is enabled. Returns GL_FALSE otherwise.

Determines whether a specific GL feature is enabled.

Returns GL_TRUE if it is enabled and GL_FALSE if it is disabled.

You can set cap to the following values.

GL_COLOR_LOGIC_OP	Determines whether logical operations are enabled for pixels.
GL_BLEND	Determines whether blend features are enabled.
GL_DEPTH_TEST	Determines whether depth tests are enabled.
GL_STENCIL_TEST	Determines whether stencil tests are enabled.
GL_SCISSOR_TEST	Determines whether scissoring is enabled.
GL_CULL_FACE	Determines whether culling is enabled.
GL_POLYGON_OFFSET_FILL	Determines whether polygon offsets are enabled.
GL_EARLY_DEPTH_TEST_DMP	Determines whether early depth tests are enabled.
GL_DEPTH_STENCIL_COPY_DMP	Determines whether the depth stencil copy feature is enabled.

You cannot specify GL_EARLY_DEPTH_TEST_DMP with POD.

This function generates the following errors.

GL_INVALID_ENUM	The cap argument was set to an invalid value.

2010/08/12

Added description of GL_DEPTH_STENCIL_COPY_DMP for the depth stencil copy feature.

2010/01/07

Initial version.