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Added threshold for max texture unit allocation depending of the bounded texture size and the max texture size allowed by the hardware

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This commit is contained in:
Felipe Alfonso 2016-12-20 18:52:28 -03:00
parent 5a89c8d8ad
commit 2c41814496
1 changed files with 20 additions and 14 deletions
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34
v2-community/src/pixi/renderers/webgl/WebGLRenderer.js
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@ -292,11 +292,20 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
console.warn('setTexturePriority error: Multi Texture support hasn\'t been enabled in the Phaser Game Config.');
return;
}
var maxTextures = this.maxTextures;
var clampPot = function (potSize) {
--potSize;
potSize |= potSize >> 1;
potSize |= potSize >> 2;
potSize |= potSize >> 4;
potSize |= potSize >> 8;
potSize |= potSize >> 16;
return ++potSize;
};
var gl = this.gl;
var maxTextures = gl.getParameter(gl.MAX_TEXTURE_IMAGE_UNITS);
var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);
var imageCache = this.game.cache._cache.image;
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
@ -312,9 +321,8 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
imageCache[imageName].base.textureIndex = 0;
}
var maxTextureAvailableSpace = (maxTextureSize) - clampPot(Math.max(this.width, this.height));
this.currentBatchedTextures.length = 0;
// We start from 1 because framebuffer texture uses unit 0.
for (var index = 0; index < textureNameCollection.length; ++index)
{
@ -324,16 +332,14 @@ PIXI.WebGLRenderer.prototype.setTexturePriority = function (textureNameCollectio
{
continue;
}
if (index + 1 < maxTextures)
{
imageCache[imageName].base.textureIndex = index + 1;
// Unit 0 is reserved for Pixi's framebuffer
var base = imageCache[imageName].base;
maxTextureAvailableSpace -= clampPot(Math.max(base.width, base.height));
if (maxTextureAvailableSpace <= 0) {
base.textureIndex = 0;
} else {
base.textureIndex = (1 + (index % (maxTextures - 1)));
}
else
{
imageCache[imageName].base.textureIndex = maxTextures - 1;
}
this.currentBatchedTextures.push(imageName);
}