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New property for batched textures.

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This commit is contained in:
Richard Davey 2016-09-19 23:46:05 +01:00
parent b0ce81bec0
commit 3924371aae
1 changed files with 37 additions and 2 deletions
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39
src/pixi/renderers/webgl/WebGLRenderer.js
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@ -178,6 +178,11 @@ PIXI.WebGLRenderer = function(game) {
*/
this.renderSession = {};
/**
* @property currentBatchedTextures
* @type Array
*/
this.currentBatchedTextures = [];
// Needed?
this.renderSession.game = this.game;
@ -250,13 +255,22 @@ PIXI.WebGLRenderer.prototype.initContext = function()
*
* The number of textures that can be batched is dependent on hardware. If you provide more textures
* than can be batched by the GPU, then only those at the start of the array will be used. Generally
* you shouldn't provide more than 16 textures to this method. You can check the hardware limit
* via the `maxTextures` property.
* you shouldn't provide more than 16 textures to this method. You can check the hardware limit via the
* `maxTextures` property.
*
* You can also check the property `currentBatchedTextures` at any time, to see which textures are currently
* being batched.
*
* To stop all textures from being batched, call this method again with an empty array.
*
* To change the textures being batched, call this method with a new array of image keys. The old ones
* will all be purged out and no-longer batched, and the new ones enabled.
*
* Note: Throws a warning if you haven't enabled Multiple Texture batching support in the Phaser Game config.
*
* @method setTexturePriority
* @param textureNameCollection {Array} An Array of Texture Cache keys to use for multi-texture batching.
* @return {Array} An array containing the texture keys that were enabled for batching.
*/
PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollection) {
@ -271,6 +285,23 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
var imageName = null;
var gl = this.gl;
// Clear out all previously batched textures and reset their flags.
// If the array has been modified, then the developer will have to
// deal with that in their own way.
for (var i = 0; i < this.currentBatchedTextures.length; i++)
{
imageName = textureNameCollection[index];
if (!(imageName in imageCache))
{
continue;
}
imageCache[imageName].base.textureIndex = 0;
}
this.currentBatchedTextures.length = 0;
// We start from 1 because framebuffer texture uses unit 0.
for (var index = 0; index < textureNameCollection.length; ++index)
{
@ -284,6 +315,8 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
if (index + 1 < maxTextures)
{
imageCache[imageName].base.textureIndex = index + 1;
this.currentBatchedTextures.push(imageName);
}
else
{
@ -291,6 +324,8 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
}
}
return this.currentBatchedTextures;
};
/**