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Gl.IsEnabled (gb.opengl)
Syntax
STATIC FUNCTION IsEnabled ( Capacity AS Integer ) AS Boolean

Test whether a capability is enabled

Parameters

Description

  Gl.IsEnabled returns TRUE if Capacity is an enabled capability and returns FALSE otherwise. The following capabilities are accepted for Capacity:

GLAUTONORMAL �   See "glEvalCoord" .

GLCLIPPLANEi �   See "glClipPlane" .   GLCOLORMATERIAL �   See "glColorMaterial" .   GLCULLFACE �   See "glCullFace" .   GLDEPTHTEST �   See "glDepthFunc" and "glDepthRange" .   GLDITHER �   See "glEnable" .   GLFOG �   See "glFog" .   GLLIGHTi �   See "glLightModel" and "glLight" .   GLLIGHTING �   See "glMaterial" , "glLightModel" , and "glLight" .   GLLINESMOOTH �   See "glLineWidth" .   GLLINESTIPPLE �   See "glLineStipple" .   GLLOGICOP �   See "glLogicOp" .   GLMAP1COLOR4 �   See "glMap1" .   GLMAP1INDEX �   See "glMap1" .   GLMAP1NORMAL �   See "glMap1" .   GLMAP1TEXTURECOORD1 �   See "glMap1" .   GLMAP1TEXTURECOORD2 �   See "glMap1" .   GLMAP1TEXTURECOORD3 �   See "glMap1" .   GLMAP1TEXTURECOORD4 �   See "glMap1" .   GLMAP1VERTEX3 �   See "glMap1" .   GLMAP1VERTEX4 �   See "glMap1" .   GLMAP2COLOR4 �   See "glMap2" .   GLMAP2INDEX �   See "glMap2" .   GLMAP2NORMAL �   See "glMap2" .   GLMAP2TEXTURECOORD1 �   See "glMap2" .   GLMAP2TEXTURECOORD2 �   See "glMap2" .   GLMAP2TEXTURECOORD3 �   See "glMap2" .   GLMAP2TEXTURECOORD4 �   See "glMap2" .   GLMAP2VERTEX3 �   See "glMap2" .   GLMAP2VERTEX4 �   See "glMap2" .   GLNORMALIZE �   See "glNormal" .   GLPOINTSMOOTH �   See "glPointSize" .   GLPOLYGONSMOOTH �   See "glPolygonMode" .   GLPOLYGONSTIPPLE �   See "glPolygonStipple" .   GLSCISSORTEST �   See "glScissor" .   GLSTENCILTEST �   See "glStencilFunc" and "glStencilOp" .   GLTEXTURE1D �   See "glTexImage1D" .   GLTEXTURE2D �   See "glTexImage2D" .   GLTEXTUREGENQ �   See "glTexGen" .   GLTEXTUREGENR �   See "glTexGen" .   GLTEXTUREGENS �   See "glTexGen" .   GLTEXTUREGENT �   See "glTexGen" . NOTES If an error is generated, glIsEnabled returns zero. ERRORS GLINVALIDENUM is generated if cap is not an accepted value. GLINVALIDOPERATION is generated if glIsEnabled is called between a call to glBegin and the corresponding call to glEnd. SEE ALSO "glEnable"