[maxmsp] [bug?] GL viewports weirdness in Max5
Zachary Seldess
zseldess at hotmail.com
Wed Apr 23 12:37:43 MDT 2008
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Hi everyone,
I've noticed that many of my patches using multiple viewports with jit.gl.sketch don't work as expected in Max 5. Here's a simple example below. It seems like somehow the glscale command functions differently. Open the patch in Max 4 and 5 to compare. Can anyone explain this? My use of GL commands with jit.gl.sketch has always been a bit weak - need to spend some time on it. I might be missing something...
{
"patcher" : {
"fileversion" : 1,
"rect" : [ 639.0, 101.0, 699.0, 647.0 ],
"bglocked" : 0,
"defrect" : [ 639.0, 101.0, 699.0, 647.0 ],
"openrect" : [ 0.0, 0.0, 0.0, 0.0 ],
"openinpresentation" : 0,
"default_fontsize" : 12.0,
"default_fontface" : 0,
"default_fontname" : "Arial",
"gridonopen" : 0,
"gridsize" : [ 15.0, 15.0 ],
"gridsnaponopen" : 0,
"toolbarvisible" : 1,
"boxanimatetime" : 200,
"imprint" : 0,
"metadata" : [ ],
"boxes" : [ {
"box" : {
"maxclass" : "comment",
"text" : "can someone explain why this works differently in Max 4 and 5?",
"linecount" : 2,
"numinlets" : 1,
"fontname" : "Arial",
"id" : "obj-42",
"numoutlets" : 0,
"presentation_rect" : [ 280.0, 363.0, 0.0, 0.0 ],
"fontsize" : 18.0,
"patching_rect" : [ 302.0, 312.0, 278.0, 48.0 ]
}
}
, {
"box" : {
"maxclass" : "comment",
"text" : "this works as expected in Max 4.6, skews the right cube in Max 5.",
"numinlets" : 1,
"fontname" : "Arial",
"id" : "obj-37",
"numoutlets" : 0,
"presentation_rect" : [ 317.0, 26.0, 0.0, 0.0 ],
"fontsize" : 12.0,
"patching_rect" : [ 313.0, 27.0, 366.0, 20.0 ]
}
}
, {
"box" : {
"maxclass" : "comment",
"text" : "change the second glscale to 1. 1. 1., and it works in Max 5...",
"numinlets" : 1,
"fontname" : "Arial",
"id" : "obj-36",
"numoutlets" : 0,
"fontsize" : 12.0,
"patching_rect" : [ 280.0, 213.0, 340.0, 20.0 ]
}
}
, {
"box" : {
"maxclass" : "message",
"text" : "reset, glenable scissor_test, glmatrixmode modelview, glviewport 0 0 200 200, glscissor 0 0 200 200, glloadidentity, glscale 1. 0.5 1., glrotate 0. 0. 0. 0., moveto 0 0 -5, glclear GL_COLOR_BUFFER_BIT, drawobject object 0, glviewport 200 0 200 200, glscissor 200 0 200 200, glloadidentity, glscale 1. 1. 1., moveto 0 0 -5, glrotate 0. 0. 0. 0., glclear GL_COLOR_BUFFER_BIT, drawobject object 0, glflush",
"linecount" : 5,
"numinlets" : 2,
"fontname" : "Geneva",
"id" : "obj-34",
"numoutlets" : 1,
"presentation_rect" : [ 266.0, 288.0, 0.0, 0.0 ],
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 239.0, 236.0, 429.0, 65.0 ]
}
}
, {
"box" : {
"maxclass" : "flonum",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-1",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "float", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 121.0, 212.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "flonum",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-2",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "float", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 85.0, 212.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "flonum",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-3",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "float", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 49.0, 212.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "pak position 0. 0. 0.",
"numinlets" : 4,
"fontname" : "Geneva",
"id" : "obj-4",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 13.0, 233.0, 120.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "message",
"text" : "rotate 0. 0. 0. 0.",
"linecount" : 2,
"numinlets" : 2,
"fontname" : "Geneva",
"id" : "obj-5",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 144.0, 430.0, 75.0, 29.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "prepend set",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-6",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 144.0, 406.0, 61.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "number",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-7",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "int", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 198.0, 293.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "number",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-8",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "int", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 133.0, 294.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "pak 0 0 0",
"numinlets" : 3,
"fontname" : "Geneva",
"id" : "obj-9",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 68.0, 320.0, 141.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "number",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-10",
"numoutlets" : 2,
"triscale" : 0.9,
"outlettype" : [ "int", "bang" ],
"bgcolor" : [ 0.866667, 0.866667, 0.866667, 1.0 ],
"fontsize" : 9.0,
"patching_rect" : [ 68.0, 294.0, 35.0, 19.0 ],
"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "prepend rotatexyz",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-11",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 68.0, 344.0, 92.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "jit.gl.handle @fake",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-12",
"numoutlets" : 2,
"outlettype" : [ "", "" ],
"fontsize" : 9.0,
"patching_rect" : [ 68.0, 367.0, 92.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "r to_box",
"numinlets" : 0,
"fontname" : "Geneva",
"id" : "obj-13",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 69.0, 433.0, 48.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "jit.gl.gridshape fake @shape cube @color 1. 0. 0. 1. @automatic 0 @name object @lighting_enable 1 @position 0. 0. -2. @scale 1.",
"linecount" : 2,
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-14",
"numoutlets" : 2,
"outlettype" : [ "jit_matrix", "" ],
"fontsize" : 9.0,
"patching_rect" : [ 69.0, 462.0, 301.0, 31.0 ]
}
}
, {
"box" : {
"maxclass" : "message",
"text" : "getcmdlist",
"numinlets" : 2,
"fontname" : "Geneva",
"id" : "obj-15",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 350.0, 133.0, 55.0, 17.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "jit.window context @floating 1 @depthbuffer 1 @size 400 200",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-16",
"numoutlets" : 2,
"outlettype" : [ "bang", "" ],
"fontsize" : 9.0,
"patching_rect" : [ 68.0, 566.0, 292.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "loadbang",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-17",
"numoutlets" : 1,
"outlettype" : [ "bang" ],
"fontsize" : 9.0,
"patching_rect" : [ 263.0, 28.0, 48.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "s to_box",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-18",
"numoutlets" : 0,
"fontsize" : 9.0,
"patching_rect" : [ 153.0, 117.0, 48.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "r to_sketch",
"numinlets" : 0,
"fontname" : "Geneva",
"id" : "obj-19",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 282.0, 133.0, 61.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "print",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-20",
"numoutlets" : 0,
"fontsize" : 9.0,
"patching_rect" : [ 409.0, 189.0, 31.0, 19.0 ]
}
}
, {
"box" : {
"maxclass" : "message",
"text" : "reset, glenable scissor_test, glmatrixmode modelview, glviewport 0 0 200 200, glscissor 0 0 200 200, glloadidentity, glscale 1. 0.5 1., glrotate 0. 0. 0. 0., moveto 0 0 -5, glclear GL_COLOR_BUFFER_BIT, drawobject object 0, glviewport 200 0 200 200, glscissor 200 0 200 200, glloadidentity, glscale 1. 0.5 1., moveto 0 0 -5, glrotate 0. 0. 0. 0., glclear GL_COLOR_BUFFER_BIT, drawobject object 0, glflush",
"linecount" : 5,
"numinlets" : 2,
"fontname" : "Geneva",
"id" : "obj-21",
"numoutlets" : 1,
"outlettype" : [ "" ],
"fontsize" : 9.0,
"patching_rect" : [ 263.0, 53.0, 391.0, 65.0 ]
}
}
, {
"box" : {
"maxclass" : "newobj",
"text" : "jit.gl.sketch context @automatic 0",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-22",
"numoutlets" : 2,
"outlettype" : [ "", "" ],
"fontsize" : 9.0,
"patching_rect" : [ 263.0, 165.0, 165.0, 19.0 ]
}
}
, {
"box" : {
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"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-23",
"numoutlets" : 0,
"fontsize" : 9.0,
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}
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, {
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}
}
, {
"box" : {
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"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-25",
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}
}
, {
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"htextcolor" : [ 0.870588, 0.870588, 0.870588, 1.0 ]
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}
, {
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"fontname" : "Arial",
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"fontname" : "Geneva",
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"outlettype" : [ "" ],
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"patching_rect" : [ 69.0, 503.0, 62.0, 19.0 ]
}
}
, {
"box" : {
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"text" : "t b b b b b erase",
"numinlets" : 1,
"fontname" : "Geneva",
"id" : "obj-29",
"numoutlets" : 6,
"outlettype" : [ "bang", "bang", "bang", "bang", "bang", "erase" ],
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, {
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}
, {
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],
"lines" : [ {
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}
--
http://www.zacharyseldess.com
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