phaser/src/renderer/webgl/BatchManager.js
2016-11-03 17:19:16 +00:00

170 lines
4.3 KiB
JavaScript

/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2016 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Manages the different WebGL Sprite Batches.
*
* @class Phaser.Renderer.Canvas
* @constructor
* @param {Phaser.Game} game - Game reference to the currently running game.
*/
Phaser.Renderer.WebGL.BatchManager = function (renderer, batchSize)
{
this.renderer = renderer;
this.gl = null;
this.currentBatch = null;
this.spriteBatch = null;
this.singleTextureBatch = new Phaser.Renderer.WebGL.Batch.SingleTexture(this, batchSize);
this.multiTextureBatch = new Phaser.Renderer.WebGL.Batch.MultiTexture(this, batchSize);
this.pixelBatch = new Phaser.Renderer.WebGL.Batch.Pixel(this, batchSize);
this.fxBatch = new Phaser.Renderer.WebGL.Batch.FX(this, batchSize);
};
Phaser.Renderer.WebGL.BatchManager.prototype.constructor = Phaser.Renderer.WebGL.BatchManager;
Phaser.Renderer.WebGL.BatchManager.prototype = {
init: function ()
{
this.gl = this.renderer.gl;
this.singleTextureBatch.init();
this.multiTextureBatch.init();
this.pixelBatch.init();
this.fxBatch.init();
if (this.renderer.multiTexture)
{
this.currentBatch = this.multiTextureBatch;
this.spriteBatch = this.multiTextureBatch;
}
else
{
this.currentBatch = this.singleTextureBatch;
this.spriteBatch = this.singleTextureBatch;
}
},
start: function ()
{
this.currentBatch.start();
},
stop: function ()
{
this.currentBatch.stop();
},
setBatch: function (newBatch)
{
if (this.currentBatch.type === newBatch.type)
{
return false;
}
// Flush whatever was in the current batch (if anything)
this.currentBatch.flush();
this.currentBatch = newBatch;
this.currentBatch.start(true);
return true;
},
// Add a new entry into the current sprite batch
add: function (source, blendMode, verts, uvs, textureIndex, alpha, tintColors, bgColors)
{
// Set the current batch (if different from this one)
var hasFlushed = this.setBatch(this.spriteBatch);
// Check Batch Size and flush if needed
if (!hasFlushed && this.spriteBatch.size >= this.spriteBatch.maxSize)
{
this.spriteBatch.flush();
hasFlushed = true;
}
source.glLastUsed = this.renderer.startTime;
// Does this TextureSource need updating?
if (source.glDirty)
{
this.renderer.updateTexture(source);
}
// Does the batch need to activate a new texture?
if (this.renderer.textureArray[source.glTextureIndex] !== source)
{
// console.log('setCurrentTexture to', source.glTextureIndex);
// console.log(source.image.currentSrc);
this.setCurrentTexture(source);
}
// Blend Mode?
if (blendMode !== this.renderer.currentBlendMode)
{
if (!hasFlushed)
{
this.spriteBatch.flush();
}
this.renderer.setBlendMode(blendMode);
}
this.spriteBatch.add(verts, uvs, textureIndex, alpha, tintColors, bgColors);
},
addCustomShader: function ()
{
// TODO
},
addFX: function ()
{
// TODO
},
addPixel: function (x0, y0, x1, y1, x2, y2, x3, y3, color)
{
var hasFlushed = this.setBatch(this.pixelBatch);
// Check Batch Size and flush if needed
if (!hasFlushed && this.pixelBatch.size >= this.pixelBatch.maxSize)
{
this.pixelBatch.flush();
}
this.pixelBatch.add(x0, y0, x1, y1, x2, y2, x3, y3, color);
},
setCurrentTexture: function (source)
{
var gl = this.gl;
this.currentBatch.flush();
gl.activeTexture(gl.TEXTURE0 + source.glTextureIndex);
gl.bindTexture(gl.TEXTURE_2D, source.glTexture);
this.renderer.textureArray[source.glTextureIndex] = source;
},
destroy: function ()
{
this.singleTextureBatch.destroy();
this.renderer = null;
this.gl = null;
}
};