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QB64-PE/internal/help/_glClearColor.txt
2016-03-18 08:36:04 -03:00

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'''_glClearColor:''' specify clear values for the color buffers
{{PageSyntax}}
:: SUB '''_glClearColor''' (BYVAL red AS SINGLE, BYVAL green AS SINGLE, BYVAL blue AS SINGLE, BYVAL alpha AS SINGLE)
:: void '''_glClearColor'''(GLfloat {{Parameter|red}}, GLfloat {{Parameter|green}}, GLfloat {{Parameter|blue}}, GLfloat {{Parameter|alpha}});
; 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.
{{PageDescription}}
'''_glClearColor''' specifies the red, green, blue, and alpha values used by {{KW|_glClear}} to clear the color buffers.
{{PageNotes}}
The type of the {{Parameter|red}}, {{Parameter|green}}, {{Parameter|blue}}, and {{Parameter|alpha}} parameters was changed from GLclampf to GLfloat. This change is transparent to user code.
{{PageUseWith}}
{{KW|_glGet}} with argument {{KW|_GL_COLOR_CLEAR_VALUE}}
{{PageSeeAlso}}
{{KW|_GL}}
{{KW|_glClear}}
{{PageCopyright}}