***Description***
TclGles20 is a layer package, which makes some of the [OpenGL es] 2.0 commands available (callable) from [Tcl].

A Vertex has the [Tcl] form ([[list position color]]):

======
  [list [list x y z] [list r g b a]]
======

Position and color values are float values (colors between 0 .. 1).

Here is a list of the planned commands (all live in namespace ::gles20):
%|done|command|param1|param2|param3|param4|%
&|x|clearbuffer|red|green|blue|alpha|&
&||compileshaders|||||&
&||drawline|start_vertex|end_vertex|||&
&||drawrectangle|vertex1|vertex2|vertex3|vertex4|&
&||drawtexturerectangle|vertex1|vertex2|vertex3|vertex4|&
&||drawtexturetriangle|vertex1|vertex2|vertex3|vertex4|&
&||drawtriangle|vertex1|vertex2|vertex3||&
&||fillrectangle|vertex1|vertex2|vertex3|vertex4|&
&||filltexturerectangle|vertex1|vertex2|vertex3|vertex4|&
&||filltexturetriangle|vertex1|vertex2|vertex3|vertex4|&
&||filltriangle|vertex1|vertex2|vertex3||&
&||getfontinfo||||&
&||maketexttexture||||&
&||rotate||||&
&||setupframebuffer||||&
&||setuprenderbuffer||||&
&||swapheaders||||&




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%| [Category Package] | [Category GUI] |%
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