From 160f359dd43305f2b4eb5fb3f9c6d9b14af0917f Mon Sep 17 00:00:00 2001
From: Mitch Skinner <git@arctur.us>
Date: Sat, 1 Mar 2014 14:06:23 -0800
Subject: [PATCH] add bufferSubData to Attribute, rebuild

---
 build/GLOW.js            |  5 +++--
 build/custom/GLOWCore.js | 13 +++++++++++++
 src/core/Attribute.js    | 13 +++++++++++++
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/build/GLOW.js b/build/GLOW.js
index 967e635..7c7a435 100644
--- a/build/GLOW.js
+++ b/build/GLOW.js
@@ -80,8 +80,9 @@ this.data.updateTexture(this.data.autoUpdate))};f[GL.SAMPLER_CUBE]=function(){th
 a.length;this.type=a.type;this.location=a.location;this.locationNumber=a.locationNumber;this.textureUnit=a.textureUnit!==void 0?a.textureUnit:-1;this.load=a.loadFunction||f[this.type]}var c=!1,f=[];a.prototype.getNativeValue=function(){return this.data.value};a.prototype.clone=function(a){return new GLOW.Uniform(this,a||this.data)};a.prototype.dispose=function(a){this.data!==void 0&&this.type===GL.SAMPLER_2D&&a&&this.data.dispose();delete this.data;delete this.load;delete this.location};return a}();
 GLOW.Attribute=function(){function b(b,e,h,g){a||(a=!0,c[GL.INT]=1,c[GL.INT_VEC2]=2,c[GL.INT_VEC3]=3,c[GL.INT_VEC4]=4,c[GL.BOOL]=1,c[GL.BOOL_VEC2]=2,c[GL.BOOL_VEC3]=3,c[GL.BOOL_VEC4]=4,c[GL.FLOAT]=1,c[GL.FLOAT_VEC2]=2,c[GL.FLOAT_VEC3]=3,c[GL.FLOAT_VEC4]=4,c[GL.FLOAT_MAT2]=4,c[GL.FLOAT_MAT3]=9,c[GL.FLOAT_MAT4]=16);this.id=GLOW.uniqueId();this.data=e;this.location=b.location;this.locationNumber=b.locationNumber;this.offset=this.stride=0;this.usage=h!==void 0?h:GL.STATIC_DRAW;this.interleaved=g!==void 0?
 g:!1;this.size=c[b.type];this.name=b.name;this.type=b.type;this.data&&(this.data.length/this.size>65536&&GLOW.warn("GLOW.Attribute.constructor: Unreachable attribute? Please activate GL.drawArrays or split into multiple shaders. Indexed elements cannot reach attribute data beyond 65535."),this.interleaved===!1&&this.bufferData(this.data,this.usage))}var a=!1,c=[];b.prototype.setupInterleave=function(a,b){this.interleaved=!0;this.offset=a;this.stride=b};b.prototype.bufferData=function(a,b){if(a!==
-void 0&&this.data!==a)this.data=a;if(b!==void 0&&this.usage!==b)this.usage=b;if(this.buffer===void 0)this.buffer=GL.createBuffer();if(this.data.constructor.toString().indexOf(" Array()")!==-1)this.data=new Float32Array(this.data);GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferData(GL.ARRAY_BUFFER,this.data,this.usage)};b.prototype.bind=function(){this.interleaved===!1&&GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.vertexAttribPointer(this.location,this.size,GL.FLOAT,!1,this.stride,this.offset)};
-b.prototype.clone=function(a){if(this.interleaved)GLOW.error("GLOW.Attribute.clone: Cannot clone interleaved attribute. Please check your interleave setup.");else return a=a||{},new GLOW.Attribute(this,a.data||this.data,a.usage||this.usage,a.interleaved||this.interleaved)};b.prototype.dispose=function(){this.buffer&&(GL.deleteBuffer(this.buffer),delete this.buffer);delete this.data};return b}();
+void 0&&this.data!==a)this.data=a;if(b!==void 0&&this.usage!==b)this.usage=b;if(this.buffer===void 0)this.buffer=GL.createBuffer();if(this.data.constructor.toString().indexOf(" Array()")!==-1)this.data=new Float32Array(this.data);GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferData(GL.ARRAY_BUFFER,this.data,this.usage)};b.prototype.bufferSubData=function(a,b){b===void 0&&(b=0);this.buffer===void 0&&GLOW.error("GLOWAttribute.prototype.bufferSubData: call bufferData first");a.constructor.toString().indexOf(" Array()")!==
+-1&&(a=new Float32Array(a));GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferSubData(GL.ARRAY_BUFFER,b,a)};b.prototype.bind=function(){this.interleaved===!1&&GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.vertexAttribPointer(this.location,this.size,GL.FLOAT,!1,this.stride,this.offset)};b.prototype.clone=function(a){if(this.interleaved)GLOW.error("GLOW.Attribute.clone: Cannot clone interleaved attribute. Please check your interleave setup.");else return a=a||{},new GLOW.Attribute(this,a.data||this.data,
+a.usage||this.usage,a.interleaved||this.interleaved)};b.prototype.dispose=function(){this.buffer&&(GL.deleteBuffer(this.buffer),delete this.buffer);delete this.data};return b}();
 GLOW.InterleavedAttributes=function(){function b(a){this.id=GLOW.uniqueId();this.attributes=a;var b,f=a[0].data.length/a[0].size,e,h=a.length,g,i,j,k=[],l,m=[];for(e=0;e<h;e++)k[e]=0;for(b=0;b<f;b++)for(e=0;e<h;e++){l=a[e].data;j=k[e];g=0;for(i=a[e].size;g<i;g++)m.push(l[j++]);k[e]=j}this.data=new Float32Array(m);this.usage=a[0].usage;for(e=0;e<h;e++)if(this.usage!==a[e].usage){GLOW.warn("GLOW.InterleavedAttributes.construct: Attribute "+a[e].name+" has different usage, defaulting to STATIC_DRAW.");
 this.usage=GL.STATIC_DRAW;break}this.bufferData(this.data,this.usage);for(e=b=0;e<h;e++)b+=a[e].size*4;for(e=f=0;e<h;e++)a[e].setupInterleave(f,b),f+=a[e].size*4}b.prototype.bufferData=function(a,b){if(a!==void 0&&this.data!==a)this.data=a;if(this.buffer===void 0)this.buffer=GL.createBuffer();GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);GL.bufferData(GL.ARRAY_BUFFER,this.data,b?b:GL.STATIC_DRAW)};b.prototype.bind=function(){GL.bindBuffer(GL.ARRAY_BUFFER,this.buffer);for(var a=this.attributes.length;a--;)this.attributes[a].bind()};
 b.prototype.dispose=function(){this.buffer&&(GL.deleteBuffer(this.buffer),delete this.buffer);delete this.data;if(this.attributes){for(var a=this.attributes.length;a--;)this.attributes[a].dispose();delete this.attributes}};return b}();
diff --git a/build/custom/GLOWCore.js b/build/custom/GLOWCore.js
index 505f385..aa16a17 100644
--- a/build/custom/GLOWCore.js
+++ b/build/custom/GLOWCore.js
@@ -2093,6 +2093,19 @@ GLOW.Attribute = (function() {
         GL.bufferData( GL.ARRAY_BUFFER, this.data, this.usage );
     };
 
+    GLOWAttribute.prototype.bufferSubData = function( data, offset ) {
+        if( offset === undefined ) offset = 0;
+        if( this.buffer === undefined ) {
+            GLOW.error( "GLOWAttribute.prototype.bufferSubData: call bufferData first" );
+        }
+        if( data.constructor.toString().indexOf( " Array()") !== -1 ) {
+            data = new Float32Array( data );
+        }
+        
+        GL.bindBuffer( GL.ARRAY_BUFFER, this.buffer );
+        GL.bufferSubData( GL.ARRAY_BUFFER, offset, data );
+    };
+
     GLOWAttribute.prototype.bind = function() {
         if( this.interleaved === false ) {
             GL.bindBuffer( GL.ARRAY_BUFFER, this.buffer );
diff --git a/src/core/Attribute.js b/src/core/Attribute.js
index 84dcf86..a8b78a5 100644
--- a/src/core/Attribute.js
+++ b/src/core/Attribute.js
@@ -74,6 +74,19 @@ GLOW.Attribute = (function() {
         GL.bufferData( GL.ARRAY_BUFFER, this.data, this.usage );
     };
 
+    GLOWAttribute.prototype.bufferSubData = function( data, offset ) {
+        if( offset === undefined ) offset = 0;
+        if( this.buffer === undefined ) {
+            GLOW.error( "GLOWAttribute.prototype.bufferSubData: call bufferData first" );
+        }
+        if( data.constructor.toString().indexOf( " Array()") !== -1 ) {
+            data = new Float32Array( data );
+        }
+        
+        GL.bindBuffer( GL.ARRAY_BUFFER, this.buffer );
+        GL.bufferSubData( GL.ARRAY_BUFFER, offset, data );
+    };
+
     GLOWAttribute.prototype.bind = function() {
         if( this.interleaved === false ) {
             GL.bindBuffer( GL.ARRAY_BUFFER, this.buffer );