GLAPI/glIsTexture: Difference between revisions
< GLAPI
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== Description == | == Description == | ||
'''glIsTexture''' returns {{ | '''glIsTexture''' returns {{enum|GL_TRUE}} if {{param|texture}} is currently the name of a texture. If {{param|texture}} is zero, or is a non-zero value that is not currently the name of a texture, or if an error occurs, '''glIsTexture''' returns {{enum|GL_FALSE}}. | ||
A name returned by {{apifunc|glGenTextures}}, but not yet associated with a texture by calling {{apifunc|glBindTexture}}, is not the name of a texture. | A name returned by {{apifunc|glGenTextures}}, but not yet associated with a texture by calling {{apifunc|glBindTexture}}, is not the name of a texture. | ||
Revision as of 17:26, 29 April 2012
| Core in version | 4.6 | |
|---|---|---|
| Core since version | 1.1 | |
glIsTexture: determine if a name corresponds to a texture
Function Definition
GLboolean glIsTexture(GLuint texture);
- texture
- Specifies a value that may be the name of a texture.
Description
glIsTexture returns GL_TRUE if texture is currently the name of a texture. If texture is zero, or is a non-zero value that is not currently the name of a texture, or if an error occurs, glIsTexture returns GL_FALSE.
A name returned by glGenTextures, but not yet associated with a texture by calling glBindTexture, is not the name of a texture.
See Also
glBindTexture, glCopyTexImage1D, glCopyTexImage2D, glDeleteTextures, glGenTextures, glGet, glGetTexParameter, glTexImage1D, glTexImage2D, glTexImage3D, glTexParameter
Copyright
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.