GLCOLORMATERIAL - Online Linux Manual PageSection : 3G
NAME"glColorMaterial − cause a material color to track the current color
C SPECIFICATIONvoid glColorMaterial( GLenum face, GLenum mode )
PARAMETERSface  Specifies whether front, back, or both front and back material parameters should track the current color. Accepted values are ­GL_FRONT, ­GL_BACK, and ­GL_FRONT_AND_BACK. The initial value is ­GL_FRONT_AND_BACK. mode  Specifies which of several material parameters track the current color. Accepted values are ­GL_EMISSION, ­GL_AMBIENT, ­GL_DIFFUSE, ­GL_SPECULAR, and ­GL_AMBIENT_AND_DIFFUSE. The initial value is ­GL_AMBIENT_AND_DIFFUSE.
DESCRIPTION­glColorMaterial specifies which material parameters track the current color. When ­GL_COLOR_MATERIAL is enabled, the material parameter or parameters specified by mode, of the material or materials specified by face, track the current color at all times. To enable and disable ­GL_COLOR_MATERIAL, call ­glEnable and ­glDisable with argument ­GL_COLOR_MATERIAL. ­GL_COLOR_MATERIAL is initially disabled.
NOTES­glColorMaterial makes it possible to change a subset of material parameters for each vertex using only the ­glColor command, without calling ­glMaterial. If only such a subset of parameters is to be specified for each vertex, calling ­glColorMaterial is preferable to calling ­glMaterial. Call ­glColorMaterial before enabling ­GL_COLOR_MATERIAL. Calling ­glDrawElements, ­glDrawArrays, or ­glDrawRangeElements may leave the current color indeterminate, if the color array is enabled. If ­glColorMaterial is enabled while the current color is indeterminate, the lighting material state specified by face and mode is also indeterminate. If the GL version is 1.1 or greater, and ­GL_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.
ERRORS­GL_INVALID_ENUM is generated if face or mode is not an accepted value. ­GL_INVALID_OPERATION is generated if ­glColorMaterial is executed between the execution of ­glBegin and the corresponding execution of ­glEnd.
ASSOCIATED GETS­glIsEnabled with argument ­GL_COLOR_MATERIAL
­glGet with argument ­GL_COLOR_MATERIAL_PARAMETER
­glGet with argument ­GL_COLOR_MATERIAL_FACE
SEE ALSO­glColor(3G), ­glColorPointer(3G), ­glDrawArrays(3G), ­glDrawElements(3G), ­glDrawRangeElements(3G), ­glEnable(3G), ­glLight(3G), ­glLightModel(3G), ­glMaterial(3G) 0
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