Glclearindex - HP b2600 Reference Manual

glClearindex

glClearIndex: specify the clear value for the color index buffers.
C Specification
void glClearIndex(
Parameters
c
Description
glClearIndex specifies the index used by glClear to clear the color index buffers. c is not
clamped. Rather, c is converted to a fixed-point value with unspecified precision to the
right of the binary point. The integer part of this value is then masked with 2
where m is the number of bits in a color index stored in the frame buffer.
Errors
•
Associated Gets
glGet with argument GL_INDEX_CLEAR_VALUE
glGet with argument GL_INDEX_BITS
See Also
glClear
Chapter 3
GLfloat c)
Specifies the index used when the color index buffers are cleared. The
initial value is 0.
GL_INVALID_OPERATION is generated if glClearIndex is executed between the
execution of glBegin and the corresponding execution of glEnd.
C
glClearindex
m
- 1,
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