<mml:mrow>
<mml:mi mathvariant="italic">xoffset</mml:mi>
<mml:mo><</mml:mo>
- <mml:mrow>
- <mml:mo>-</mml:mo>
- <mml:mi mathvariant="italic">b</mml:mi>
- </mml:mrow>
+ <mml:mn>0</mml:mn>
</mml:mrow>
</mml:math></inlineequation>,
or if
</mml:mrow>
</mml:mfenced>
<mml:mo>></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mrow>
- <mml:mi mathvariant="italic">w</mml:mi>
- <mml:mo>-</mml:mo>
- <mml:mi mathvariant="italic">b</mml:mi>
- </mml:mrow>
- </mml:mfenced>
+ <mml:mi mathvariant="italic">w</mml:mi>
</mml:mrow>
</mml:math></inlineequation>,
where
<inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>
- is the <constant>GL_TEXTURE_WIDTH</constant>, and
- <inlineequation><mml:math><mml:mi mathvariant="italic">b</mml:mi></mml:math></inlineequation>
- is
- the width of the <constant>GL_TEXTURE_BORDER</constant>
+ is the <constant>GL_TEXTURE_WIDTH</constant>
of the texture image being modified.
- Note that
- <inlineequation><mml:math><mml:mi mathvariant="italic">w</mml:mi></mml:math></inlineequation>
- includes twice the border width.
</para>
<para>
<constant>GL_INVALID_VALUE</constant> is generated if <parameter>width</parameter> is less than 0.