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Improving support for child masking

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This commit is contained in:
Richard Davey 2019-04-12 17:47:28 +01:00
parent 216bf3d904
commit f69cec7975
1 changed files with 63 additions and 19 deletions
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82
src/renderer/webgl/WebGLRenderer.js
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@ -470,6 +470,15 @@ var WebGLRenderer = new Class({
*/ */
this._tempMatrix4 = new TransformMatrix(); this._tempMatrix4 = new TransformMatrix();
/**
* A reference to the mask the current camera is using, if any.
*
* @name Phaser.Renderer.WebGL.WebGLRenderer#currentMask
* @type {(Phaser.Display.Masks.BitmapMask|Phaser.Display.Masks.GeometryMask)}
* @since 3.17.0
*/
this.currentMask = null;
this.init(this.config); this.init(this.config);
}, },
@ -1688,12 +1697,22 @@ var WebGLRenderer = new Class({
var color = camera.backgroundColor; var color = camera.backgroundColor;
// Clear the current mask, if set
this.currentMask = null;
if (camera.renderToTexture) if (camera.renderToTexture)
{ {
this.flush(); this.flush();
this.pushScissor(cx, cy, cw, -ch); this.pushScissor(cx, cy, cw, -ch);
this.currentStencil = 0;
if (camera.mask)
{
this.setCameraMask(camera);
}
this.setFramebuffer(camera.framebuffer); this.setFramebuffer(camera.framebuffer);
var gl = this.gl; var gl = this.gl;
@ -1719,11 +1738,9 @@ var WebGLRenderer = new Class({
{ {
this.pushScissor(cx, cy, cw, ch); this.pushScissor(cx, cy, cw, ch);
var mask = camera.mask; if (camera.mask)
if (mask)
{ {
mask.preRenderWebGL(this, null, camera._maskCamera); this.setCameraMask(camera);
} }
if (color.alphaGL > 0) if (color.alphaGL > 0)
@ -1755,13 +1772,6 @@ var WebGLRenderer = new Class({
camera.dirty = false; camera.dirty = false;
var mask = camera.mask;
if (mask)
{
mask.postRenderWebGL(this);
}
this.popScissor(); this.popScissor();
if (camera.renderToTexture) if (camera.renderToTexture)
@ -1803,6 +1813,11 @@ var WebGLRenderer = new Class({
// Force clear the current texture so that items next in the batch (like Graphics) don't try and use it // Force clear the current texture so that items next in the batch (like Graphics) don't try and use it
this.setBlankTexture(true); this.setBlankTexture(true);
} }
if (camera.mask)
{
this.clearCameraMask(camera);
}
}, },
/** /**
@ -1899,15 +1914,9 @@ var WebGLRenderer = new Class({
this.setBlendMode(child.blendMode); this.setBlendMode(child.blendMode);
} }
var mask = child.mask; if (child.mask)
if (mask)
{ {
mask.preRenderWebGL(this, child, camera); this.setChildMask(this, child, interpolationPercentage, camera);
child.renderWebGL(this, child, interpolationPercentage, camera);
mask.postRenderWebGL(this, child);
} }
else else
{ {
@ -1952,6 +1961,41 @@ var WebGLRenderer = new Class({
} }
}, },
setCameraMask: function (camera)
{
var mask = camera.mask;
// Cameras cannot have child cameras, so each one can clear the mask stack
this.currentMask = mask;
mask.preRenderWebGL(this, null, camera._maskCamera);
},
clearCameraMask: function (camera)
{
camera.mask.postRenderWebGL(this);
},
setChildMask: function (renderer, child, interpolationPercentage, camera)
{
var mask = child.mask;
if (mask !== this.currentMask)
{
mask.preRenderWebGL(renderer, child, camera);
child.renderWebGL(renderer, child, interpolationPercentage, camera);
mask.postRenderWebGL(renderer);
// Restore camera mask
if (this.currentMask)
{
this.setCameraMask(camera);
}
}
},
/** /**
* Schedules a snapshot of the entire game viewport to be taken after the current frame is rendered. * Schedules a snapshot of the entire game viewport to be taken after the current frame is rendered.
* *