glIsEnabled man page on Tru64

Man page or keyword search:  
man Server   12896 pages
apropos Keyword Search (all sections)
Output format
Tru64 logo
[printable version]

glIsEnabled(3G)						       glIsEnabled(3G)

NAME
       glIsEnabled - test whether a capability is enabled

SYNOPSIS
       GLboolean glIsEnabled(
	       GLenum cap );

PARAMETERS
       Specifies a symbolic constant indicating a GL capability.

DESCRIPTION
       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:

       ─────────────────────────────────────────────────────────────────────────
       Constant				  See
       ─────────────────────────────────────────────────────────────────────────
       GL_ALPHA_TEST			  glAlphaFunc()
       GL_AUTO_NORMAL			  glEvalCoord()
       GL_BLEND				  glBlendFunc(), glLogicOp()
       GL_CLIP_PLANEi			  glClipPlane()
       GL_COLOR_ARRAY			  glColorPointer()
       GL_COLOR_LOGIC_OP		  glLogicOp()
       GL_COLOR_MATERIAL		  glColorMaterial()
       GL_COLOR_TABLE			  glColorTable()
       GL_CONVOLUTION_1D		  glConvolutionFilter1D()
       GL_CONVOLUTION_2D		  glConvolutionFilter2D()
       GL_CULL_FACE			  glCullFace()
       GL_DEPTH_TEST			  glDepthFunc(), glDepthRange()
       GL_DITHER			  glEnable()
       GL_EDGE_FLAG_ARRAY		  glEdgeFlagPointer()
       GL_FOG				  glFog()
       GL_HISTOGRAM			  glHistogram()
       GL_INDEX_ARRAY			  glIndexPointer()
       GL_INDEX_LOGIC_OP		  glLogicOp()
       GL_LIGHTi			  glLightModel(), glLight()
       GL_LIGHTING			  glMaterial(),		glLightModel(),
					  glLight()
       GL_LINE_SMOOTH			  glLineWidth()
       GL_LINE_STIPPLE			  glLineStipple()
       GL_MAP1_COLOR_4			  glMap1()
       GL_MAP1_INDEX			  glMap1()
       GL_MAP1_NORMAL			  glMap1()
       GL_MAP1_TEXTURE_COORD_1		  glMap1()
       GL_MAP1_TEXTURE_COORD_2		  glMap1()
       GL_MAP1_TEXTURE_COORD_3		  glMap1()
       GL_MAP1_TEXTURE_COORD_4		  glMap1()
       GL_MAP2_COLOR_4			  glMap2()
       GL_MAP2_INDEX			  glMap2()
       GL_MAP2_NORMAL			  glMap2()
       GL_MAP2_TEXTURE_COORD_1		  glMap2()
       GL_MAP2_TEXTURE_COORD_2		  glMap2()
       GL_MAP2_TEXTURE_COORD_3		  glMap2()
       GL_MAP2_TEXTURE_COORD_4		  glMap2()
       GL_MAP2_VERTEX_3			  glMap2()
       GL_MAP2_VERTEX_4			  glMap2()
       GL_MINMAX			  glMinmax()
       GL_NORMAL_ARRAY			  glNormalPointer()

       GL_NORMALIZE			  glNormal()
       GL_POINT_SMOOTH			  glPointSize()
       GL_POLYGON_SMOOTH		  glPolygonMode()
       GL_POLYGON_OFFSET_FILL		  glPolygonOffset()
       GL_POLYGON_OFFSET_LINE		  glPolygonOffset()
       GL_POLYGON_OFFSET_POINT		  glPolygonOffset()
       GL_POLYGON_STIPPLE		  glPolygonStipple()
       GL_POST_COLOR_MATRIX_COLOR_TABLE	  glColorTable()
       GL_POST_CONVOLUTION_COLOR_TABLE	  glColorTable()
       GL_RESCALE_NORMAL		  glNormal()
       GL_SCISSOR_TEST			  glScissor()
       GL_SEPARABLE_2D			  glSeparableFilter2D()
       GL_STENCIL_TEST			  glStencilFunc(), glStencilOp()
       GL_TEXTURE_1D			  glTexImage1D()
       GL_TEXTURE_2D			  glTexImage2D()
       GL_TEXTURE_3D			  glTexImage3D()
       GL_TEXTURE_COORD_ARRAY		  glTexCoordPointer()
       GL_TEXTURE_GEN_Q			  glTexGen()
       GL_TEXTURE_GEN_R			  glTexGen()
       GL_TEXTURE_GEN_S			  glTexGen()
       GL_TEXTURE_GEN_T			  glTexGen()
       GL_VERTEX_ARRAY			  glVertexPointer()
       ─────────────────────────────────────────────────────────────────────────

NOTES
       If an error is generated, glIsEnabled() returns 0.

       GL_COLOR_LOGIC_OP, GL_COLOR_ARRAY, GL_EDGE_FLAG_ARRAY,  GL_INDEX_ARRAY,
       GL_INDEX_LOGIC_OP,  GL_NORMAL_ARRAY,  GL_POLYGON_OFFSET_FILL,  GL_POLY‐
       GON_OFFSET_LINE, GL_POLYGON_OFFSET_POINT,  GL_TEXTURE_COORD_ARRAY,  and
       GL_VERTEX_ARRAY are available only if the GL version is 1.1 or greater

       GL_RESCALE_NORMAL,  and GL_TEXTURE_3D are available only if the GL ver‐
       sion is 1.2 or greater.

       GL_COLOR_TABLE,	GL_CONVOLUTION_1D,  GL_CONVOLUTION_2D,	 GL_HISTOGRAM,
       GL_MINMAX,      GL_POST_COLOR_MATRIX_COLOR_TABLE,      GL_POST_CONVOLU‐
       TION_COLOR_TABLE,   and	 GL_SEPARABLE_2D   are	 available   only   if
       GL_ARB_imaging is returned when glGet() is called with GL_EXTENSIONS.

       When  the  GL_ARB_multitexture  extension  is  supported, the following
       parameters return the associated value for  the	active	texture	 unit.
       GL_TEXTURE_1D,  GL_TEXTURE_BINDING_1D,  GL_TEXTURE_2D, GL_TEXTURE_BIND‐
       ING_2D, GL_TEXTURE_3D, GL_TEXTURE_BINDING_3D, GL_TEXTURE_GEN_S, GL_TEX‐
       TURE_GEN_T,  GL_TEXTURE_GEN_R, GL_TEXTURE_GEN_Q, GL_TEXTURE_MATRIX, and
       GL_TEXTURE_STACK_DEPTH.	Likewise, the following parameters return  the
       associated   value   for	  the  active  client  texture	unit:  GL_TEX‐
       TURE_COORD_ARRAY,	 GL_TEXTURE_COORD_ARRAY_SIZE,	       GL_TEX‐
       TURE_COORD_ARRAY_STRIDE, GL_TEXTURE_COORD_ARRAY_TYPE.

ERRORS
       GL_INVALID_ENUM is generated if cap is not an accepted value.

       GL_INVALID_OPERATION  is generated if glIsEnabled() is executed between
       the execution of glBegin() and the corresponding execution of glEnd().

SEE ALSO
       glEnable(3), glEnableClientState(3), glGet(3)

							       glIsEnabled(3G)
[top]
                             _         _         _ 
                            | |       | |       | |     
                            | |       | |       | |     
                         __ | | __ __ | | __ __ | | __  
                         \ \| |/ / \ \| |/ / \ \| |/ /  
                          \ \ / /   \ \ / /   \ \ / /   
                           \   /     \   /     \   /    
                            \_/       \_/       \_/ 
More information is available in HTML format for server Tru64

List of man pages available for Tru64

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net