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clarified glPolygonMode section

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Brian Paul 2003-02-03 15:00:38 +00:00
parent cfe59bd3f9
commit cd9df92c9d
1 changed files with 17 additions and 14 deletions
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docs/subset.html
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@ -12,7 +12,7 @@
<h2>
<center>
<h3>Tungsten Graphics, Inc.</h3>
<h3>January 23, 2003<br>
<h3>February 3, 2003<br>
</h3>
</center>
</h2>
@ -589,7 +589,7 @@ front-facing triangles and quadrilaterals, respectively.<br>
The command<br>
<br>
<div style="margin-left: 40px;">void <span style="font-weight: bold;">glFrontFace</span>(GLenum<span
style="font-style: italic;">mode</span>)<br>
style="font-style: italic;"> mode</span>)<br>
</div>
<br>
specifies whether clockwise or counter-clockwise winding indicates a
@ -635,15 +635,18 @@ The command<br>
controls whether polygons are filled, outlined or drawn with a point at
each vertex.&nbsp; The <span style="font-style: italic;">face</span>
parameter must be GL_FRONT_AND_BACK. &nbsp;The values GL_FRONT and
GL_BACK are not permitted by the subset. &nbsp;If <span
style="font-style: italic;">mode</span> is GL_FILL then the polygon
will be filled (the default). &nbsp;If <span style="font-style: italic;">mode</span>
is GL_LINE then the polygon will be rendered as if it were specified by <span
style="font-weight: bold;">glBegin</span>(GL_LINE_LOOP). &nbsp;If <span
style="font-style: italic;">mode</span> is GL_POINT then the polygon
will be rendered as if it were specified with <span
style="font-weight: bold;">glBegin</span>(GL_POINTS). &nbsp;Any other
values for <span style="font-style: italic;">face</span> or <span
GL_BACK are not permitted by the subset.<br>
<br>
If <span style="font-style: italic;">mode</span> is GL_FILL then
triangles, quadrilaterals and triangles will be filled (the default).
&nbsp;If <span style="font-style: italic;">mode</span> is GL_LINE then
triangles, quadrilaterals and polygons will be outlined with line
segments instead of being filled.<span style="font-weight: bold;"></span>
&nbsp;If <span style="font-style: italic;">mode</span> is GL_POINT then
triangles, quadrilaterals and polygons will be rendered with a point at
each vertex instead of being filled.<span style="font-weight: bold;"></span><br>
<br>
Any other values for <span style="font-style: italic;">face</span> or <span
style="font-style: italic;">mode</span> will raise the error
GL_INVALID_ENUM.<br>
<br>
@ -684,9 +687,9 @@ are linearly interpolated to produce the fragment colors.<br>
<br>
<h2>4.5 Bitmap Rasterization</h2>
A bitmap is a monochromatic, binary image in which each image element
(or pixel) is represented by one bit. &nbsp;Fragments are only
generated for the bits (pixels) which are set. &nbsp;Bitmaps are
commonly used to draw text (glyphs) and markers.<br>
(or pixel) is represented by one bit. &nbsp;Fragments are only generated
for the bits (pixels) which are set. &nbsp;Bitmaps are commonly used
to draw text (glyphs) and markers.<br>
<br>
A bitmap is drawn with the command<br>
<br>