glCopyTexSubImage1D¶
copy a one-dimensional texture subimage
function glCopyTexSubImage1D(int $target, int $level, int $xoffset, int $x, int $y, int $width) : void
- arguments
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int$targetSpecifies the target to which the texture object is bound for glCopyTexSubImage1D function. Must beGL_TEXTURE_1D .int$levelSpecifies the level-of-detail number. Level 0 is the base image level. Level n is the nth mipmap reduction image.int$xoffsetSpecifies the texel offset within the texture array.int$xSpecify the window coordinates of the left corner of the row of pixels to be copied.int$yint$widthSpecifies the width of the texture subimage.
 - returns
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void 
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