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Move to functions so we can call from outside the class

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This commit is contained in:
Richard Davey 2019-04-26 19:14:06 +01:00
parent 93dabaa34e
commit 902d04d55e
1 changed files with 40 additions and 11 deletions
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51
src/display/mask/GeometryMask.js
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@ -56,6 +56,10 @@ var GeometryMask = new Class({
* @since 3.16.0
*/
this.invertAlpha = false;
this.isStencil = true;
this.level = 0;
},
/**
@ -108,7 +112,6 @@ var GeometryMask = new Class({
preRenderWebGL: function (renderer, child, camera)
{
var gl = renderer.gl;
var geometryMask = this.geometryMask;
// Force flushing before drawing to stencil buffer
renderer.flush();
@ -126,35 +129,50 @@ var GeometryMask = new Class({
renderer.currentMask = this;
}
renderer.maskCount++;
this.level = renderer.maskCount;
renderer.maskStack.push({ mask: this, camera: camera });
var level = renderer.maskCount;
this.applyStencil(renderer, camera, true);
},
applyStencil: function (renderer, camera, inc)
{
var gl = renderer.gl;
var geometryMask = this.geometryMask;
var level = this.level;
gl.colorMask(false, false, false, false);
gl.stencilFunc(gl.EQUAL, level, 0xFF);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.INCR);
if (inc)
{
gl.stencilFunc(gl.EQUAL, level - 1, 0xFF);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.INCR);
}
else
{
gl.stencilFunc(gl.EQUAL, level + 1, 0xFF);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.DECR);
}
// Write stencil buffer
geometryMask.renderWebGL(renderer, geometryMask, 0, camera);
renderer.flush();
// Use stencil buffer to affect next rendering object
gl.colorMask(true, true, true, true);
if (this.invertAlpha)
{
gl.stencilFunc(gl.NOTEQUAL, level + 1, 0xFF);
gl.stencilFunc(gl.NOTEQUAL, level, 0xFF);
}
else
{
gl.stencilFunc(gl.EQUAL, level + 1, 0xFF);
gl.stencilFunc(gl.EQUAL, level, 0xFF);
}
gl.colorMask(true, true, true, true);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP);
renderer.maskCount++;
},
/**
@ -187,6 +205,16 @@ var GeometryMask = new Class({
// Force flush before disabling stencil test
renderer.flush();
var prev = renderer.maskStack[renderer.maskStack.length - 1];
prev.mask.applyStencil(renderer, prev.camera, false);
if (renderer.currentCameraMask !== prev.mask)
{
renderer.currentMask = prev.mask;
}
/*
var level = renderer.maskCount;
gl.colorMask(false, false, false, false);
@ -219,6 +247,7 @@ var GeometryMask = new Class({
gl.colorMask(true, true, true, true);
gl.stencilOp(gl.KEEP, gl.KEEP, gl.KEEP);
*/
}
},