glClearIndex

编辑:砍头网互动百科 时间:2019-11-18 21:16:53
编辑 锁定
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 2m -1, where m is the number of bits in a color index stored in the frame buffer.
中文名
glClearIndex
外文名
glClearIndex
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目录

glClearIndexNAME

编辑
glClearIndex - specify the clear value for the color index buffers
  C SPECIFICATION
  void glClearIndex( GLfloat c )

glClearIndexPARAMETERS

编辑
c ? Specifies the index used when the color index buffers are cleared. The defaultvalue is zero.

glClearIndexERRORS

编辑
GL_INVALID_OPERATION is generated if glClearIndex is called between a call to glBegin and the corresponding call to glEnd.
  ASSOCIATED GETS
  glGet with argument GL_INDEX_CLEAR_VALUE
  glGet with argument GL_INDEX_BITS
  SEE ALSO
  "glClear"
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