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Better stencil mask checking

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This commit is contained in:
Richard Davey 2019-04-26 19:13:24 +01:00
parent 813429d8dc
commit cf878ca553
1 changed files with 37 additions and 14 deletions
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51
src/renderer/webgl/WebGLRenderer.js
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@ -998,6 +998,22 @@ var WebGLRenderer = new Class({
return this.currentPipeline;
},
/**
* Is there an active stencil mask?
*
* @method Phaser.Renderer.WebGL.WebGLRenderer#hasActiveStencilMask
* @since 3.17.0
*
* @return {boolean} `true` if there is an active stencil mask, otherwise `false`.
*/
hasActiveStencilMask: function ()
{
var mask = this.currentMask;
var camMask = this.currentCameraMask;
return ((mask && mask.isStencil) || (camMask && camMask.isStencil));
},
/**
* Use this to reset the gl context to the state that Phaser requires to continue rendering.
* Calling this will:
@ -1024,14 +1040,15 @@ var WebGLRenderer = new Class({
gl.disable(gl.DEPTH_TEST);
gl.disable(gl.CULL_FACE);
if (!this.currentMask && !this.currentCameraMask)
if (this.hasActiveStencilMask())
{
gl.disable(gl.STENCIL_TEST);
gl.clear(gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT);
gl.clear(gl.DEPTH_BUFFER_BIT);
}
else
{
gl.clear(gl.DEPTH_BUFFER_BIT);
// If there wasn't a stencil mask set before this call, we can disable it safely
gl.disable(gl.STENCIL_TEST);
gl.clear(gl.DEPTH_BUFFER_BIT | gl.STENCIL_BUFFER_BIT);
}
gl.viewport(0, 0, this.width, this.height);
@ -1849,9 +1866,9 @@ var WebGLRenderer = new Class({
if (camera.mask)
{
camera.mask.postRenderWebGL(this, camera._maskCamera);
this.currentCameraMask = null;
camera.mask.postRenderWebGL(this, camera._maskCamera);
}
},
@ -1955,14 +1972,19 @@ var WebGLRenderer = new Class({
var mask = child.mask;
if (this.currentMask && this.currentMask !== mask)
if (mask !== this.currentMask)
{
this.currentMask.postRenderWebGL(this);
}
if (mask && mask !== this.currentMask)
{
mask.preRenderWebGL(this, child, camera);
if (this.currentMask)
{
// Render out the previously set mask
this.currentMask.postRenderWebGL(this, camera);
}
if (mask)
{
// Set-up the new mask
mask.preRenderWebGL(this, child, camera);
}
}
child.renderWebGL(this, child, interpolationPercentage, camera);
@ -1970,7 +1992,8 @@ var WebGLRenderer = new Class({
if (this.currentMask)
{
this.currentMask.postRenderWebGL(this);
// Render out the previously set mask, if it was the last item in the display list
this.currentMask.postRenderWebGL(this, camera);
}
this.setBlendMode(CONST.BlendModes.NORMAL);