GL.glIsEnabled returns GL_TRUE if cap is an enabled capability
and returns GL_FALSE otherwise.
Initially all capabilities except GL_DITHER are disabled;
GL_DITHER is initially enabled.
The following capabilities are accepted for cap:
.TS
lb lb
l l l.
Constant See
_
GL_ALPHA_TESTGL.glAlphaFunc
GL_AUTO_NORMALGL.glEvalCoord
GL_BLENDGL.glBlendFunc, GL.glLogicOp
GL_CLIP_PLANEiglClipPlane
GL_COLOR_ARRAYglColorPointer
GL_COLOR_LOGIC_OPGL.glLogicOp
GL_COLOR_MATERIALGL.glColorMaterial
GL_CULL_FACEGL.glCullFace
GL_DEPTH_TESTGL.glDepthFunc, GL.glDepthRange
GL_DITHERGL.glEnable
GL_EDGE_FLAG_ARRAYglEdgeFlagPointer
GL_FOGGL.glFog
GL_INDEX_ARRAYglIndexPointer
GL_INDEX_LOGIC_OPGL.glLogicOp
GL_LIGHTiGL.glLightModel, GL.glLight
GL_LIGHTINGGL.glMaterial, GL.glLightModel, GL.glLight
GL_LINE_SMOOTHGL.glLineWidth
GL_LINE_STIPPLEGL.glLineStipple
GL_MAP1_COLOR_4glMap1, glMap2
GL_MAP2_TEXTURE_COORD_2glMap2
GL_MAP2_TEXTURE_COORD_3glMap2
GL_MAP2_TEXTURE_COORD_4glMap2
GL_MAP2_VERTEX_3glMap2
GL_MAP2_VERTEX_4glMap2
GL_NORMAL_ARRAYglNormalPointer
GL_NORMALIZEGL.glNormal
GL_POINT_SMOOTHGL.glPointSize
GL_POLYGON_SMOOTHGL.glPolygonMode
GL_POLYGON_OFFSET_FILLGL.glPolygonOffset
GL_POLYGON_OFFSET_LINEGL.glPolygonOffset
GL_POLYGON_OFFSET_POINTGL.glPolygonOffset
GL_POLYGON_STIPPLEglPolygonStipple
GL_SCISSOR_TESTGL.glScissor
GL_STENCIL_TESTGL.glStencilFunc, GL.glStencilOp
GL_TEXTURE_1DglTexImage1D
GL_TEXTURE_2DGL.glTexImage2D
GL_TEXTURE_COORD_ARRAYglTexCoordPointer
GL_TEXTURE_GEN_QGL.glTexGen
GL_TEXTURE_GEN_RGL.glTexGen
GL_TEXTURE_GEN_SGL.glTexGen
GL_TEXTURE_GEN_TGL.glTexGen
GL_VERTEX_ARRAYglVertexPointer
.TE