1GLCLEARACCUM(3G) GLCLEARACCUM(3G)
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6 glClearAccum - specify clear values for the accumulation buffer
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10 void glClearAccum( GLfloat red,
11 GLfloat green,
12 GLfloat blue,
13 GLfloat alpha )
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17 red, green, blue, alpha
18 Specify the red, green, blue, and alpha values
19 used when the accumulation buffer is cleared.
20 The initial values are all 0.
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23 glClearAccum specifies the red, green, blue, and alpha values used by
24 glClear to clear the accumulation buffer.
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26 Values specified by glClearAccum are clamped to the range [-1, 1].
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29 GL_INVALID_OPERATION is generated if glClearAccum is executed between
30 the execution of glBegin and the corresponding execution of glEnd.
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33 glGet with argument GL_ACCUM_CLEAR_VALUE
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36 glAccum(3G), glClear(3G)
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40 GLCLEARACCUM(3G)