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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/colormaterial.gl')
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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/colormaterial.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/colormaterial.gl new file mode 100644 index 000000000..e5fdaec48 --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/colormaterial.gl @@ -0,0 +1,108 @@ +_C_ License Applicability. Except to the extent portions of this file are +_C_ made subject to an alternative license as permitted in the SGI Free +_C_ Software License B, Version 1.1 (the "License"), the contents of this +_C_ file are subject only to the provisions of the License. You may not use +_C_ this file except in compliance with the License. You may obtain a copy +_C_ of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +_C_ Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +_C_ +_C_ http://oss.sgi.com/projects/FreeB +_C_ +_C_ Note that, as provided in the License, the Software is distributed on an +_C_ "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +_C_ DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +_C_ CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +_C_ PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +_C_ +_C_ Original Code. The Original Code is: OpenGL Sample Implementation, +_C_ Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +_C_ Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +_C_ Copyright in any portions created by third parties is as indicated +_C_ elsewhere herein. All Rights Reserved. +_C_ +_C_ Additional Notice Provisions: The application programming interfaces +_C_ established by SGI in conjunction with the Original Code are The +_C_ OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +_C_ April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +_C_ 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +_C_ Window System(R) (Version 1.3), released October 19, 1998. This software +_C_ was created using the OpenGL(R) version 1.2.1 Sample Implementation +_C_ published by SGI, but has not been independently verified as being +_C_ compliant with the OpenGL(R) version 1.2.1 Specification. +_C_ +_C_ The first character in this file must be an '_'! +_C_ Anything on a line after _C_ is ignored +_define(_filters,tbl|eqn)_C_ +_C_ eqn is automatically replaced with neqn for nroff +_header(ColorMaterial,cause a material color to track the current color) +_names(ColorMaterial) +.SH PARAMETERS +_phead(_param1) +Specifies whether front, +back, +or both front and back material parameters should track the current color. +Accepted values are +_const(FRONT), +_const(BACK), +and _const(FRONT_AND_BACK). +The initial value is _const(FRONT_AND_BACK). +_phead(_param2) +Specifies which of several material parameters track the current color. +Accepted values are +_const(EMISSION), +_const(AMBIENT), +_const(DIFFUSE), +_const(SPECULAR), +and _const(AMBIENT_AND_DIFFUSE). +The initial value is _const(AMBIENT_AND_DIFFUSE). +.SH DESCRIPTION +_cmnd specifies which material parameters track the current color. +When _const(COLOR_MATERIAL) is enabled, +the material parameter or parameters specified by _param2, +of the material or materials specified by _param1, +track the current color at all times. +.P +To enable and disable _const(COLOR_MATERIAL), call +_cmnd(Enable) and _cmnd(Disable) with argument _const(COLOR_MATERIAL). +_const(COLOR_MATERIAL) is initially disabled. +.SH NOTES +_cmnd makes it possible to change a subset of material parameters for each +vertex using only the _cmnd(Color) command, +without calling _cmnd(Material). +If only such a subset of parameters is to be specified for each +vertex, calling _cmnd is preferable to calling _cmnd(Material). +.P +Call _cmnd before enabling _const(COLOR_MATERIAL). +.P +Calling _cmnd(DrawElements), _cmnd(DrawArrays), or _cmnd(DrawRangeElements) +may leave the current color indeterminate, if the color array is enabled. +If +_cmnd is enabled while the current color is indeterminate, the +lighting material state specified by _param1 and _param2 is also indeterminate. +.P +If the GL version is 1.1 or greater, and _const(COLOR_MATERIAL) is +enabled, evaluated color values affect the results of the lighting +equation as if the current color were being modified, but no change is +made to the tracking lighting parameter of the current color. +.SH ERRORS +_const(INVALID_ENUM) is generated if _param1 or _param2 is not an +accepted value. +.P +_const(INVALID_OPERATION) is generated if _cmnd is executed between +the execution of _cmnd(Begin) and the corresponding execution of _cmnd(End). +.SH ASSOCIATED GETS +_cmnd(IsEnabled) with argument _const(COLOR_MATERIAL) +.br +_cmnd(Get) with argument _const(COLOR_MATERIAL_PARAMETER) +.br +_cmnd(Get) with argument _const(COLOR_MATERIAL_FACE) +.SH SEE ALSO +_cmnd(Color), +_cmnd(ColorPointer), +_cmnd(DrawArrays), +_cmnd(DrawElements), +_cmnd(DrawRangeElements), +_cmnd(Enable), +_cmnd(Light), +_cmnd(LightModel), +_cmnd(Material) |