glClearColor.3G - Man Page
specify clear values for the color buffers
C Specification
void glClearColor(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
Parameters
- red, green, blue, alpha
Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0.
Description
glClearColor specifies the red, green, blue, and alpha values used by glClear() to clear the color buffers. Values specified by glClearColor are clamped to the range 0 1.
Notes
The type of the red, green, blue, and alpha parameters was changed from GLclampf to GLfloat. This change is transparent to user code and is described in detail on the removedTypes() page.
Associated Gets
glGet() with argument GL_COLOR_CLEAR_VALUE
Version Support
OpenGL Version | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Function / Feature Name | 2.0 | 2.1 | 3.0 | 3.1 | 3.2 | 3.3 | 4.0 | 4.1 | 4.2 | 4.3 | 4.4 | 4.5 |
glClearColor | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
See Also
glClear(), removedTypes()
Copyright
Copyright © 1991-2006 Silicon Graphics, Inc. Copyright © 2010-2014 Khronos Group. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.
Copyright
Copyright © 1991-2006 Silicon Graphics, Inc.
Copyright © 2010-2014 Khronos Group
Referenced By
glClear.3G(3), glClearBuffer.3G(3).