📄 clearcolor.html
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<HTML><BODY><PRE> <STRONG>NAME</STRONG> <STRONG>glClearColor</STRONG> - specify clear values for the color buffers <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG> void <STRONG>glClearColor</STRONG>( GLclampf <EM>red</EM>, GLclampf <EM>green</EM>, GLclampf <EM>blue</EM>, GLclampf <EM>alpha</EM> ) <STRONG>PARAMETERS</STRONG> <EM>red</EM>, <EM>green</EM>, <EM>blue</EM>, <EM>alpha</EM> Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0. <STRONG>DESCRIPTION</STRONG> <STRONG>glClearColor</STRONG> specifies the red, green, blue, and alpha values used by <STRONG>glClear</STRONG> to clear the color buffers. Values specified by <STRONG>glClearColor</STRONG> are clamped to the range [0,1]. <STRONG>ERRORS</STRONG> <STRONG>GL_INVALID_OPERATION</STRONG> is generated if <STRONG>glClearColor</STRONG> is executed between the execution of <STRONG>glBegin</STRONG> and the corresponding execution of <STRONG>glEnd</STRONG>. <STRONG>ASSOCIATED</STRONG> <STRONG>GETS</STRONG> <STRONG>glGet</STRONG> with argument <STRONG>GL_COLOR_CLEAR_VALUE</STRONG> <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG> <STRONG>glClear</STRONG></PRE></BODY></HTML>⌨️ 快捷键说明
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