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Light Layer restore state on gl context lost

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This commit is contained in:
Felipe Alfonso 2017-09-13 16:43:34 -03:00
parent a4e33f111b
commit de507de120
2 changed files with 59 additions and 12 deletions
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43
v3/src/gameobjects/lightlayer/LightLayer.js
View file

@ -33,12 +33,10 @@ var LightLayer = new Class({
function LightLayer (scene)
{
var _this = this;
GameObject.call(this, scene, 'LightLayer');
var resourceManager = scene.sys.game.renderer.resourceManager;
this._isDeferred = WebGLSupportedExtensions.has('WEBGL_draw_buffers');
this.renderer = scene.sys.game.renderer;
this.passShader = null;
this.gl = null;
this.ambientLightColorR = 0.0;
@ -48,12 +46,35 @@ var LightLayer = new Class({
this.spritePool = [];
this.lights = [];
this.sprites = [];
this.lightsLocations = [];
this._z = 0;
this.setOrigin(0, 0);
scene.sys.game.renderer.addContextRestoredCallback(function (renderer) {
_this.onContextRestored(renderer);
});
this.init(scene.sys.game.renderer, WebGLSupportedExtensions.has('WEBGL_draw_buffers'));
},
onContextRestored: function (renderer)
{
/* It won't allow the use of drawBuffers on restored context */
this.init(renderer, false);
this.renderWebGL = require('./ForwardRenderer');
this.lights.length = Math.min(this.lights.length, Const.MAX_LIGHTS);
},
init: function (renderer, deferred)
{
var resourceManager = renderer.resourceManager;
this._isDeferred = deferred;
this.renderer = renderer;
this.lightsLocations = [];
if (resourceManager !== undefined && !this._isDeferred)
{
this.gl = scene.sys.game.renderer.gl;
this.gl = renderer.gl;
this.passShader = resourceManager.createShader('Phong2DShaderForward', {
vert: TexturedAndNormalizedTintedShader.vert,
@ -81,9 +102,9 @@ var LightLayer = new Class({
}
else
{
var gl = this.gl = scene.sys.game.renderer.gl;
var gl = this.gl = renderer.gl;
this.ext = scene.sys.game.renderer.getExtension('WEBGL_draw_buffers');
this.ext = renderer.getExtension('WEBGL_draw_buffers');
this.gBufferShaderPass = resourceManager.createShader('GBufferShader', {
vert: TexturedAndNormalizedTintedShader.vert,
@ -138,14 +159,14 @@ var LightLayer = new Class({
gl.bindFramebuffer(gl.FRAMEBUFFER, this.gBufferFbo);
gl.bindTexture(gl.TEXTURE_2D, this.gBufferColorTex);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, scene.sys.game.renderer.width, scene.sys.game.renderer.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, renderer.width, renderer.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
gl.bindTexture(gl.TEXTURE_2D, this.gBufferNormalTex);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, scene.sys.game.renderer.width, scene.sys.game.renderer.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, renderer.width, renderer.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
@ -172,8 +193,6 @@ var LightLayer = new Class({
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
VertexBuffer.SetDirty();
}
this.setOrigin(0, 0);
},
forEachLight: function (callback)

28
v3/src/renderer/webgl/WebGLRenderer.js
View file

@ -29,27 +29,39 @@ var WebGLRenderer = new Class({
{
var _this = this;
this.game = game;
this.onContextLostCallbacks = [];
this.onContextRestoredCallbacks = [];
this.type = CONST.WEBGL;
this.width = game.config.width * game.config.resolution;
this.height = game.config.height * game.config.resolution;
this.resolution = game.config.resolution;
this.view = game.canvas;
this.view.addEventListener('webglcontextlost', function (evt) {
var callbacks = _this.onContextLostCallbacks;
var renderers = _this.rendererArray;
for (var index = 0; index < renderers.length; ++index)
{
renderers[index].destroy();
}
_this.contextLost = true;
for (var index = 0; index < callbacks.length; ++index)
{
callbacks[index](_this);
}
evt.preventDefault();
}, false);
this.view.addEventListener('webglcontextrestored', function (evt) {
var callbacks = _this.onContextRestoredCallbacks;
_this.rendererArray.length = 0;
_this.resourceManager.shaderCache = {};
_this.resourceManager.shaderCount = 0;
_this.contextLost = false;
_this.init();
for (var index = 0; index < callbacks.length; ++index)
{
callbacks[index](_this);
}
}, false);
// All of these settings will be able to be controlled via the Game Config
@ -201,6 +213,22 @@ var WebGLRenderer = new Class({
return this.extensionList[name];
},
addContextLostCallback: function (callback)
{
if (this.onContextLostCallbacks.indexOf(callback) === -1)
{
this.onContextLostCallbacks.push(callback);
}
},
addContextRestoredCallback: function (callback)
{
if (this.onContextRestoredCallbacks.indexOf(callback) === -1)
{
this.onContextRestoredCallbacks.push(callback);
}
},
createTexture: function (source, width, height)
{
width = source ? source.width : width;