dragonbones-runtime
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the tools to build dragonbones file for diffrent framework
123 lines (105 loc) • 4.43 kB
text/typescript
//////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014-present, Egret Technology.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Egret nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////
namespace egret.web {
/**
* @private
*/
export enum WEBGL_ATTRIBUTE_TYPE {
FLOAT_VEC2 = 0x8B50,
FLOAT_VEC3 = 0x8B51,
FLOAT_VEC4 = 0x8B52,
FLOAT = 0x1406,
BYTE = 0xffff,
UNSIGNED_BYTE = 0x1401,
UNSIGNED_SHORT = 0x1403
}
/**
* @private
*/
export class EgretWebGLAttribute {
private gl:WebGLRenderingContext;
private name:string;
private type:WEBGL_ATTRIBUTE_TYPE;
private size:number;
public location:number;
constructor(gl:WebGLRenderingContext, program:WebGLProgram, attributeData:any) {
this.gl = gl;
this.name = attributeData.name;
this.type = attributeData.type;
this.size = attributeData.size;
this.location = gl.getAttribLocation(program, this.name);
this.count = 0;
this.initCount(gl);
this.format = gl.FLOAT;
this.initFormat(gl);
}
public count:number;
private initCount(gl:WebGLRenderingContext):void {
let type = this.type;
switch (type) {
case WEBGL_ATTRIBUTE_TYPE.FLOAT:
case WEBGL_ATTRIBUTE_TYPE.BYTE:
case WEBGL_ATTRIBUTE_TYPE.UNSIGNED_BYTE:
case WEBGL_ATTRIBUTE_TYPE.UNSIGNED_SHORT:
this.count = 1;
break;
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC2:
this.count = 2;
break;
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC3:
this.count = 3;
break;
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC4:
this.count = 4;
break;
}
}
public format:number;
private initFormat(gl:WebGLRenderingContext):void {
let type = this.type;
switch (type) {
case WEBGL_ATTRIBUTE_TYPE.FLOAT:
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC2:
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC3:
case WEBGL_ATTRIBUTE_TYPE.FLOAT_VEC4:
this.format = gl.FLOAT;
break;
case WEBGL_ATTRIBUTE_TYPE.UNSIGNED_BYTE:
this.format = gl.UNSIGNED_BYTE;
break;
case WEBGL_ATTRIBUTE_TYPE.UNSIGNED_SHORT:
this.format = gl.UNSIGNED_SHORT;
break;
case WEBGL_ATTRIBUTE_TYPE.BYTE:
this.format = gl.BYTE;
break;
}
}
}
}