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X3DProgrammableShaderObject.js
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X3DProgrammableShaderObject.js
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/* -*- Mode: JavaScript; coding: utf-8; tab-width: 3; indent-tabs-mode: tab; c-basic-offset: 3 -*-
*******************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright create3000, Scheffelstraße 31a, Leipzig, Germany 2011.
*
* All rights reserved. Holger Seelig <holger.seelig@yahoo.de>.
*
* The copyright notice above does not evidence any actual of intended
* publication of such source code, and is an unpublished work by create3000.
* This material contains CONFIDENTIAL INFORMATION that is the property of
* create3000.
*
* No permission is granted to copy, distribute, or create derivative works from
* the contents of this software, in whole or in part, without the prior written
* permission of create3000.
*
* NON-MILITARY USE ONLY
*
* All create3000 software are effectively free software with a non-military use
* restriction. It is free. Well commented source is provided. You may reuse the
* source in any way you please with the exception anything that uses it must be
* marked to indicate is contains 'non-military use only' components.
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2015, 2016 Holger Seelig <holger.seelig@yahoo.de>.
*
* This file is part of the X_ITE Project.
*
* X_ITE is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 3 only, as published by the
* Free Software Foundation.
*
* X_ITE is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License version 3 for more
* details (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License version 3
* along with X_ITE. If not, see <http://www.gnu.org/licenses/gpl.html> for a
* copy of the GPLv3 License.
*
* For Silvio, Joy and Adi.
*
******************************************************************************/
define ([
"x_ite/Fields",
"x_ite/Bits/X3DCast",
"x_ite/Bits/X3DConstants",
"standard/Math/Numbers/Matrix3",
],
function (Fields,
X3DCast,
X3DConstants,
Matrix3)
{
"use strict";
var
matrix3 = new Matrix3 (),
NULL = new Fields .SFNode ();
function X3DProgrammableShaderObject (executionContext)
{
this .addType (X3DConstants .X3DProgrammableShaderObject);
this .x3d_ClipPlane = [ ];
this .x3d_LightType = [ ];
this .x3d_LightOn = [ ];
this .x3d_LightColor = [ ];
this .x3d_LightIntensity = [ ];
this .x3d_LightAmbientIntensity = [ ];
this .x3d_LightAttenuation = [ ];
this .x3d_LightLocation = [ ];
this .x3d_LightDirection = [ ];
this .x3d_LightBeamWidth = [ ];
this .x3d_LightCutOffAngle = [ ];
this .x3d_LightRadius = [ ];
this .x3d_ShadowIntensity = [ ];
this .x3d_ShadowDiffusion = [ ];
this .x3d_ShadowColor = [ ];
this .x3d_ShadowMatrix = [ ];
this .x3d_ShadowMap = [ ];
this .numClipPlanes = 0;
this .numGlobalLights = 0;
this .numLights = 0;
this .textures = new Map ();
}
X3DProgrammableShaderObject .prototype =
{
constructor: X3DProgrammableShaderObject,
normalMatrixArray: new Float32Array (9),
initialize: function ()
{
var browser = this .getBrowser ();
this .x3d_MaxClipPlanes = browser .getMaxClipPlanes ();
this .x3d_MaxLights = browser .getMaxLights ();
this .x3d_MaxTextures = browser .getMaxTextures ();
this .textureTypeArray = new Int32Array (this .x3d_MaxTextures);
},
hasUserDefinedFields: function ()
{
return true;
},
bindAttributeLocations: function (gl, program)
{
gl .bindAttribLocation (program, 3, "x3d_Color");
gl .bindAttribLocation (program, 2, "x3d_TexCoord");
gl .bindAttribLocation (program, 1, "x3d_Normal");
gl .bindAttribLocation (program, 0, "x3d_Vertex");
},
getDefaultUniforms: function ()
{
// Get uniforms and attributes.
var
gl = this .getBrowser () .getContext (),
program = this .getProgram ();
this .x3d_GeometryType = gl .getUniformLocation (program, "x3d_GeometryType");
this .x3d_NumClipPlanes = gl .getUniformLocation (program, "x3d_NumClipPlanes");
for (var i = 0; i < this .x3d_MaxClipPlanes; ++ i)
this .x3d_ClipPlane [i] = gl .getUniformLocation (program, "x3d_ClipPlane[" + i + "]");
this .x3d_FogType = this .getUniformLocation (gl, program, "x3d_Fog.type", "x3d_FogType");
this .x3d_FogColor = this .getUniformLocation (gl, program, "x3d_Fog.color", "x3d_FogColor");
this .x3d_FogVisibilityRange = this .getUniformLocation (gl, program, "x3d_Fog.visibilityRange", "x3d_FogVisibilityRange");
this .x3d_LinewidthScaleFactor = gl .getUniformLocation (program, "x3d_LinewidthScaleFactor");
this .x3d_Lighting = gl .getUniformLocation (program, "x3d_Lighting");
this .x3d_ColorMaterial = gl .getUniformLocation (program, "x3d_ColorMaterial");
this .x3d_NumLights = gl .getUniformLocation (program, "x3d_NumLights");
for (var i = 0; i < this .x3d_MaxLights; ++ i)
{
this .x3d_LightType [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].type", "x3d_LightType[" + i + "]");
this .x3d_LightColor [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].color", "x3d_LightColor[" + i + "]");
this .x3d_LightAmbientIntensity [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].ambientIntensity", "x3d_LightAmbientIntensity[" + i + "]");
this .x3d_LightIntensity [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].intensity", "x3d_LightIntensity[" + i + "]");
this .x3d_LightAttenuation [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].attenuation", "x3d_LightAttenuation[" + i + "]");
this .x3d_LightLocation [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].location", "x3d_LightLocation[" + i + "]");
this .x3d_LightDirection [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].direction", "x3d_LightDirection[" + i + "]");
this .x3d_LightBeamWidth [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].beamWidth", "x3d_LightBeamWidth[" + i + "]");
this .x3d_LightCutOffAngle [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].cutOffAngle", "x3d_LightCutOffAngle[" + i + "]");
this .x3d_LightRadius [i] = this .getUniformLocation (gl, program, "x3d_LightSource[" + i + "].radius", "x3d_LightRadius[" + i + "]");
this .x3d_ShadowIntensity [i] = gl .getUniformLocation (program, "x3d_ShadowIntensity[" + i + "]");
this .x3d_ShadowDiffusion [i] = gl .getUniformLocation (program, "x3d_ShadowDiffusion[" + i + "]");
this .x3d_ShadowColor [i] = gl .getUniformLocation (program, "x3d_ShadowColor[" + i + "]");
this .x3d_ShadowMatrix [i] = gl .getUniformLocation (program, "x3d_ShadowMatrix[" + i + "]");
this .x3d_ShadowMap [i] = gl .getUniformLocation (program, "x3d_ShadowMap[" + i + "]");
}
this .x3d_SeparateBackColor = gl .getUniformLocation (program, "x3d_SeparateBackColor");
this .x3d_AmbientIntensity = this .getUniformLocation (gl, program, "x3d_FrontMaterial.ambientIntensity", "x3d_AmbientIntensity");
this .x3d_DiffuseColor = this .getUniformLocation (gl, program, "x3d_FrontMaterial.diffuseColor", "x3d_DiffuseColor");
this .x3d_SpecularColor = this .getUniformLocation (gl, program, "x3d_FrontMaterial.specularColor", "x3d_SpecularColor");
this .x3d_EmissiveColor = this .getUniformLocation (gl, program, "x3d_FrontMaterial.emissiveColor", "x3d_EmissiveColor");
this .x3d_Shininess = this .getUniformLocation (gl, program, "x3d_FrontMaterial.shininess", "x3d_Shininess");
this .x3d_Transparency = this .getUniformLocation (gl, program, "x3d_FrontMaterial.transparency", "x3d_Transparency");
this .x3d_BackAmbientIntensity = this .getUniformLocation (gl, program, "x3d_BackMaterial.ambientIntensity", "x3d_BackAmbientIntensity");
this .x3d_BackDiffuseColor = this .getUniformLocation (gl, program, "x3d_BackMaterial.diffuseColor", "x3d_BackDiffuseColor");
this .x3d_BackSpecularColor = this .getUniformLocation (gl, program, "x3d_BackMaterial.specularColor", "x3d_BackSpecularColor");
this .x3d_BackEmissiveColor = this .getUniformLocation (gl, program, "x3d_BackMaterial.emissiveColor", "x3d_BackEmissiveColor");
this .x3d_BackShininess = this .getUniformLocation (gl, program, "x3d_BackMaterial.shininess", "x3d_BackShininess");
this .x3d_BackTransparency = this .getUniformLocation (gl, program, "x3d_BackMaterial.transparency", "x3d_BackTransparency");
this .x3d_NumTextures = gl .getUniformLocation (program, "x3d_NumTextures");
this .x3d_TextureType = gl .getUniformLocation (program, "x3d_TextureType");
this .x3d_Texture2D = this .getUniformLocation (gl, program, "x3d_Texture2D", "x3d_Texture");
this .x3d_CubeMapTexture = gl .getUniformLocation (program, "x3d_CubeMapTexture");
this .x3d_Viewport = gl .getUniformLocation (program, "x3d_Viewport");
this .x3d_ProjectionMatrix = gl .getUniformLocation (program, "x3d_ProjectionMatrix");
this .x3d_ModelViewMatrix = gl .getUniformLocation (program, "x3d_ModelViewMatrix");
this .x3d_NormalMatrix = gl .getUniformLocation (program, "x3d_NormalMatrix");
this .x3d_TextureMatrix = gl .getUniformLocation (program, "x3d_TextureMatrix");
this .x3d_CameraSpaceMatrix = gl .getUniformLocation (program, "x3d_CameraSpaceMatrix");
this .x3d_Color = gl .getAttribLocation (program, "x3d_Color");
this .x3d_TexCoord = gl .getAttribLocation (program, "x3d_TexCoord");
this .x3d_Normal = gl .getAttribLocation (program, "x3d_Normal");
this .x3d_Vertex = gl .getAttribLocation (program, "x3d_Vertex");
// Fill special uniforms with default values, textures for units are created in X3DTexturingContext.
gl .uniform1f (this .x3d_LinewidthScaleFactor, 1);
gl .uniform1iv (this .x3d_TextureType, new Int32Array ([0]));
gl .uniform1iv (this .x3d_Texture2D, new Int32Array ([2])); // Set texture to active texture unit 2.
gl .uniform1iv (this .x3d_CubeMapTexture, new Int32Array ([4])); // Set cube map texture to active texture unit 3.
gl .uniform1iv (gl .getUniformLocation (program, "x3d_ShadowMap"), new Int32Array (this .x3d_MaxLights) .fill (5)); // Set cube map texture to active texture unit 5, the whole uniform must be set at once.
gl .uniform1i (this .x3d_NumTextures, 1);
// Return true if valid, otherwise false.
if (this .x3d_Color < 0)
{
this .enableColorAttribute = Function .prototype;
this .disableColorAttribute = Function .prototype;
}
else
{
delete this .enableColorAttribute;
delete this .disableColorAttribute;
}
if (this .x3d_TexCoord < 0)
{
this .enableTexCoordAttribute = Function .prototype;
this .disableTexCoordAttribute = Function .prototype;
}
else
{
delete this .enableTexCoordAttribute;
delete this .disableTexCoordAttribute;
}
if (this .x3d_Normal < 0)
{
this .enableNormalAttribute = Function .prototype;
this .disableNormalAttribute = Function .prototype;
}
else
{
delete this .enableNormalAttribute;
delete this .disableNormalAttribute;
}
if (this .x3d_Vertex < 0)
{
console .warn ("Missing »attribute vec4 x3d_Vertex;«.");
return false;
}
return true;
},
getUniformLocation: function (gl, program, name, depreciated)
{
// Legacy function to get uniform location.
var location = gl .getUniformLocation (program, name);
if (location)
return location;
// Look for depreciated location.
location = gl .getUniformLocation (program, depreciated);
if (location)
console .error (this .getTypeName (), this .getName (), "Using uniform location name »" + depreciated + "« is depreciated. See http://create3000.de/x_ite/custom-shaders/.");
return location;
},
addShaderFields: function ()
{
var
gl = this .getBrowser () .getContext (),
program = this .getProgram (),
userDefinedFields = this .getUserDefinedFields ();
this .textures .clear ();
for (var name in userDefinedFields)
{
var
field = userDefinedFields [name],
location = gl .getUniformLocation (program, name);
if (location)
{
field ._uniformLocation = location;
field .addInterest ("set_field__", this);
switch (field .getType ())
{
case X3DConstants .SFImage:
{
location .array = new Int32Array (3 + field .array .length);
break;
}
case X3DConstants .SFMatrix3d:
case X3DConstants .SFMatrix3f:
case X3DConstants .SFRotation:
{
location .array = new Float32Array (9);
break;
}
case X3DConstants .SFMatrix4d:
case X3DConstants .SFMatrix4f:
{
location .array = new Float32Array (16);
break;
}
case X3DConstants .SFNode:
{
break;
}
case X3DConstants .MFBool:
case X3DConstants .MFInt32:
{
location .array = new Int32Array (this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFFloat:
case X3DConstants .MFDouble:
case X3DConstants .MFTime:
{
location .array = new Float32Array (this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFImage:
{
location .array = new Int32Array (this .getImagesLength (field));
break;
}
case X3DConstants .MFMatrix3d:
case X3DConstants .MFMatrix3f:
case X3DConstants .MFRotation:
{
location .array = new Float32Array (9 * this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFMatrix4d:
case X3DConstants .MFMatrix4f:
{
location .array = new Float32Array (16 * this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFNode:
{
var locations = location .locations = [ ];
for (var i = 0;; ++ i)
{
var l = gl .getUniformLocation (program, field .getName () + "[" + i + "]");
if (! l)
break;
locations .push (l);
}
break;
}
case X3DConstants .MFVec2d:
case X3DConstants .MFVec2f:
{
location .array = new Float32Array (2 * this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFVec3d:
case X3DConstants .MFVec3f:
case X3DConstants .MFColor:
{
location .array = new Float32Array (3 * this .getLocationLength (gl, program, field));
break;
}
case X3DConstants .MFVec4d:
case X3DConstants .MFVec4f:
case X3DConstants .MFColorRGBA:
{
location .array = new Float32Array (4 * this .getLocationLength (gl, program, field));
break;
}
}
this .set_field__ (field);
}
}
},
removeShaderFields: function ()
{
var
gl = this .getBrowser () .getContext (),
program = this .getProgram (),
userDefinedFields = this .getUserDefinedFields ();
for (var name in userDefinedFields)
{
var
field = userDefinedFields [name],
location = gl .getUniformLocation (program, name);
field .removeInterest ("set_field__", this);
}
},
set_field__: function (field)
{
var
gl = this .getBrowser () .getContext (),
program = this .getProgram (),
location = field ._uniformLocation;
if (location)
{
switch (field .getType ())
{
case X3DConstants .SFBool:
case X3DConstants .SFInt32:
{
gl .uniform1i (location, field .getValue ());
return;
}
case X3DConstants .SFColor:
{
var value = field .getValue ();
gl .uniform3f (location, value .r, value .g, value .b);
return;
}
case X3DConstants .SFColorRGBA:
{
var value = field .getValue ();
gl .uniform4f (location, value .r, value .g, value .b, value .a);
return;
}
case X3DConstants .SFDouble:
case X3DConstants .SFFloat:
case X3DConstants .SFTime:
{
gl .uniform1f (location, field .getValue ());
return;
}
case X3DConstants .SFImage:
{
var
array = location .array,
pixels = field .array,
length = 3 + pixels .length;
if (length !== array .length)
array = location .array = new Int32Array (length);
array [0] = field .width;
array [1] = field .height;
array [2] = field .comp;
for (var a = 3, p = 0, length = pixels .length; p < length; ++ p, ++ a)
array [a] = pixels [p];
gl .uniform1iv (location, array);
return;
}
case X3DConstants .SFMatrix3d:
case X3DConstants .SFMatrix3f:
{
location .array .set (field .getValue ());
gl .uniformMatrix3fv (location, false, location .array);
return;
}
case X3DConstants .SFMatrix4d:
case X3DConstants .SFMatrix4f:
{
location .array .set (field .getValue ());
gl .uniformMatrix4fv (location, false, location .array);
return;
}
case X3DConstants .SFNode:
{
var texture = X3DCast (X3DConstants .X3DTextureNode, field);
if (texture)
{
this .textures .set (location, { name: field .getName (), texture: texture, textureUnit: undefined } );
return;
}
this .textures .delete (location);
return;
}
case X3DConstants .SFRotation:
{
field .getValue () .getMatrix (location .array);
gl .uniformMatrix3fv (location, false, location .array);
return;
}
case X3DConstants .SFString:
{
return;
}
case X3DConstants .SFVec2d:
case X3DConstants .SFVec2f:
{
var value = field .getValue ();
gl .uniform2f (location, value .x, value .y);
return;
}
case X3DConstants .SFVec3d:
case X3DConstants .SFVec3f:
{
var value = field .getValue ();
gl .uniform3f (location, value .x, value .y, value .z);
return;
}
case X3DConstants .SFVec4d:
case X3DConstants .SFVec4f:
{
var value = field .getValue ();
gl .uniform4f (location, value .x, value .y, value .z, value .w);
return;
}
case X3DConstants .MFBool:
case X3DConstants .MFInt32:
{
var array = location .array;
for (var i = 0, length = field .length; i < length; ++ i)
array [i] = field [i];
for (var length = array .length; i < length; ++ i)
array [i] = 0;
gl .uniform1iv (location, array);
return;
}
case X3DConstants .MFColor:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var color = field [i];
array [k++] = color .r;
array [k++] = color .g;
array [k++] = color .b;
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniform3fv (location, array);
return;
}
case X3DConstants .MFColorRGBA:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var color = field [i];
array [k++] = color .r;
array [k++] = color .g;
array [k++] = color .b;
array [k++] = color .a;
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniform4fv (location, array);
return;
}
case X3DConstants .MFDouble:
case X3DConstants .MFFloat:
case X3DConstants .MFTime:
{
var array = location .array;
for (var i = 0, length = field .length; i < length; ++ i)
array [i] = field [i];
for (var length = array .length; i < length; ++ i)
array [i] = 0;
gl .uniform1fv (location, array);
return;
}
case X3DConstants .MFImage:
{
var
array = location .array,
length = this .getImagesLength (field);
if (length !== array .length)
array = location .array = new Int32Array (length);
for (var i = 0, a = 0, length = field .length; i < length; ++ i)
{
var
value = field [i],
pixels = value .array;
array [a ++] = value .width;
array [a ++] = value .height;
array [a ++] = value .comp;
for (var p = 0, plength = pixels .length; p < plength; ++ p)
array [a ++] = pixels [p];
}
gl .uniform1iv (location, array);
return;
}
case X3DConstants .MFMatrix3d:
case X3DConstants .MFMatrix3f:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var matrix = field [i];
for (var m = 0; m < 9; ++ m)
array [k++] = matrix [m];
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniformMatrix3fv (location, false, array);
return;
}
case X3DConstants .MFMatrix4d:
case X3DConstants .MFMatrix4f:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var matrix = field [i];
for (var m = 0; m < 16; ++ m)
array [k++] = matrix [m];
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniformMatrix4fv (location, false, array);
return;
}
case X3DConstants .MFNode:
{
var locations = location .locations;
for (var i = 0, length = field .length; i < length; ++ i)
{
var texture = X3DCast (X3DConstants .X3DTextureNode, field [i]);
if (texture)
{
this .textures .set (locations [i], { name: field [i] .getName (), texture: texture, textureUnit: undefined } );
continue;
}
}
return;
}
case X3DConstants .MFRotation:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var matrix = field [i] .getValue () .getMatrix (matrix3);
array [k++] = matrix [0];
array [k++] = matrix [1];
array [k++] = matrix [2];
array [k++] = matrix [3];
array [k++] = matrix [4];
array [k++] = matrix [5];
array [k++] = matrix [6];
array [k++] = matrix [7];
array [k++] = matrix [8];
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniformMatrix3fv (location, false, array);
return;
}
case X3DConstants .MFString:
{
return;
}
case X3DConstants .MFVec2d:
case X3DConstants .MFVec2f:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var vector = field [i];
array [k++] = vector .x;
array [k++] = vector .y;
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniform2fv (location, array);
return;
}
case X3DConstants .MFVec3d:
case X3DConstants .MFVec3f:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var vector = field [i];
array [k++] = vector .x;
array [k++] = vector .y;
array [k++] = vector .z;
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniform3fv (location, array);
return;
}
case X3DConstants .MFVec4d:
case X3DConstants .MFVec4f:
{
var array = location .array;
for (var i = 0, k = 0, length = field .length; i < length; ++ i)
{
var vector = field [i];
array [k++] = vector .x;
array [k++] = vector .y;
array [k++] = vector .z;
array [k++] = vector .w;
}
for (var length = array .length; k < length; ++ k)
array [k] = 0;
gl .uniform4fv (location, array);
return;
}
}
}
},
getImagesLength: function (field)
{
var
images = field .getValue (),
length = 3 * images .length;
for (var i = 0, l = images .length; i < l; ++ i)
length += images [i] .array .length;
return length;
},
getLocationLength: function (gl, program, field)
{
var name = field .getName ();
for (var i = 0; ; ++ i)
{
var location = gl .getUniformLocation (program, name + "[" + i + "]");
if (! location)
break;
}
return i;
},
setShaderObjects: function (gl, shaderObjects)
{
// Clip planes and local lights
this .numClipPlanes = 0;
this .numLights = 0;
for (var i = 0, length = shaderObjects .length; i < length; ++ i)
shaderObjects [i] .setShaderUniforms (gl, this);
gl .uniform1i (this .x3d_NumClipPlanes, Math .min (this .numClipPlanes, this .x3d_MaxClipPlanes));
gl .uniform1i (this .x3d_NumLights, Math .min (this .numLights, this .x3d_MaxLights));
// Legacy before 4.1.4
if (this .numClipPlanes < this .x3d_MaxClipPlanes)
gl .uniform4f (this .x3d_ClipPlane [this .numClipPlanes], 88, 51, 68, 33);
if (this .numLights < this .x3d_MaxLights)
gl .uniform1i (this .x3d_LightType [this .numLights], 0);
},
setGlobalUniforms: function (gl, renderObject, cameraSpaceMatrixArray, projectionMatrixArray, viewportArray)
{
var globalLights = renderObject .getGlobalLights ();
// Set viewport
gl .uniform4iv (this .x3d_Viewport, viewportArray);
// Set projection matrix
gl .uniformMatrix4fv (this .x3d_ProjectionMatrix, false, projectionMatrixArray);
gl .uniformMatrix4fv (this .x3d_CameraSpaceMatrix, false, cameraSpaceMatrixArray);
// Set global lights
this .numGlobalLights = globalLights .length;
this .numLights = 0;
for (var i = 0, length = globalLights .length; i < length; ++ i)
globalLights [i] .setShaderUniforms (gl, this);
},
setLocalUniforms: function (gl, context)
{
var
linePropertiesNode = context .linePropertiesNode,
materialNode = context .materialNode,
textureNode = context .textureNode,
textureTransformNode = context .textureTransformNode,
modelViewMatrix = context .modelViewMatrix,
shaderObjects = context .shaderObjects;
// Geometry type
gl .uniform1i (this .x3d_GeometryType, context .geometryType);
// Clip planes and local lights
this .numClipPlanes = 0;
this .numLights = this .numGlobalLights;
for (var i = 0, length = shaderObjects .length; i < length; ++ i)
shaderObjects [i] .setShaderUniforms (gl, this);
gl .uniform1i (this .x3d_NumClipPlanes, Math .min (this .numClipPlanes, this .x3d_MaxClipPlanes));
gl .uniform1i (this .x3d_NumLights, Math .min (this .numLights, this .x3d_MaxLights));
// Legacy before 4.1.4
if (this .numClipPlanes < this .x3d_MaxClipPlanes)
gl .uniform4f (this .x3d_ClipPlane [this .numClipPlanes], 88, 51, 68, 33);
if (this .numLights < this .x3d_MaxLights)
gl .uniform1i (this .x3d_LightType [this .numLights], 0);
// Fog, there is always one
context .fogNode .setShaderUniforms (gl, this, context .renderer);
// LineProperties
if (linePropertiesNode && linePropertiesNode .applied_ .getValue ())
{
var linewidthScaleFactor = linePropertiesNode .getLinewidthScaleFactor ();
gl .lineWidth (linewidthScaleFactor);
gl .uniform1f (this .x3d_LinewidthScaleFactor, linewidthScaleFactor);
}
else
{
gl .lineWidth (1);
gl .uniform1f (this .x3d_LinewidthScaleFactor, 1);
}
// Material
gl .uniform1i (this .x3d_ColorMaterial, context .colorMaterial);
if (materialNode)
{
// Lights
gl .uniform1i (this .x3d_Lighting, true);
// Material
materialNode .setShaderUniforms (gl, this);
// Normal matrix
try
{
// Set normal matrix.
var normalMatrix = this .normalMatrixArray;
normalMatrix [0] = modelViewMatrix [0]; normalMatrix [1] = modelViewMatrix [4]; normalMatrix [2] = modelViewMatrix [ 8];
normalMatrix [3] = modelViewMatrix [1]; normalMatrix [4] = modelViewMatrix [5]; normalMatrix [5] = modelViewMatrix [ 9];
normalMatrix [6] = modelViewMatrix [2]; normalMatrix [7] = modelViewMatrix [6]; normalMatrix [8] = modelViewMatrix [10];
Matrix3 .prototype .inverse .call (normalMatrix);
gl .uniformMatrix3fv (this .x3d_NormalMatrix, false, normalMatrix);
}
catch (error)
{
gl .uniformMatrix3fv (this .x3d_NormalMatrix, false, new Float32Array (Matrix3 .Identity));
}
}
else
{
gl .uniform1i (this .x3d_Lighting, false);
if (this .getCustom ())
{
try
{
// Set normal matrix.
var normalMatrix = this .normalMatrixArray;
normalMatrix [0] = modelViewMatrix [0]; normalMatrix [1] = modelViewMatrix [4]; normalMatrix [2] = modelViewMatrix [ 8];
normalMatrix [3] = modelViewMatrix [1]; normalMatrix [4] = modelViewMatrix [5]; normalMatrix [5] = modelViewMatrix [ 9];
normalMatrix [6] = modelViewMatrix [2]; normalMatrix [7] = modelViewMatrix [6]; normalMatrix [8] = modelViewMatrix [10];
Matrix3 .prototype .inverse .call (normalMatrix);
gl .uniformMatrix3fv (this .x3d_NormalMatrix, false, normalMatrix);
}
catch (error)
{
gl .uniformMatrix3fv (this .x3d_NormalMatrix, false, new Float32Array (Matrix3 .Identity));
}
}
}
if (textureNode)
{
textureNode .setShaderUniforms (gl, this, 0);
textureTransformNode .setShaderUniforms (gl, this);
}
else
{
this .textureTypeArray [0] = 0;
gl .uniform1iv (this .x3d_TextureType, this .textureTypeArray);
if (this .getCustom ())
{
textureTransformNode .setShaderUniforms (gl, this);
}
}
gl .uniformMatrix4fv (this .x3d_ModelViewMatrix, false, modelViewMatrix);
},
enable: function (gl)
{
var browser = this .getBrowser ();
//console .log (this .getName ());
//console .log (browser .getCombinedTextureUnits () .length);
for (let item of this .textures)
{
var
location = item [0],
object = item [1],
name = object .name,
texture = object .texture;
if (! browser .getCombinedTextureUnits () .length)
{
console .warn ("Not enough combined texture units for uniform variable '" + name + "' available.");
continue;
}
var textureUnit = object .textureUnit = browser .getCombinedTextureUnits () .pop ();
gl .uniform1i (location, textureUnit);
gl .activeTexture (gl .TEXTURE0 + textureUnit);
gl .bindTexture (texture .getTarget (), texture .getTexture ());
}
gl .activeTexture (gl .TEXTURE0);
},
disable: function (gl)
{
var browser = this .getBrowser ();
for (let item of this .textures)
{
var
object = item [1],
textureUnit = object .textureUnit;
if (textureUnit !== undefined)
browser .getCombinedTextureUnits () .push (textureUnit);
object .textureUnit = undefined;
}
//console .log (browser .getCombinedTextureUnits () .length);
},
enableFloatAttrib: function (gl, name, buffer, components)