399 lines
14 KiB
HTML
399 lines
14 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>src/pixi/renderers/webgl/WebGLShaders.js - Pixi.JS</title>
|
|
<link rel="stylesheet" href="http://yui.yahooapis.com/3.8.0/build/cssgrids/cssgrids-min.css">
|
|
<link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css">
|
|
<link rel="stylesheet" href="../assets/css/main.css" id="site_styles">
|
|
<link rel="shortcut icon" type="image/png" href="../assets/favicon.png">
|
|
<script src="http://yui.yahooapis.com/combo?3.8.0/build/yui/yui-min.js"></script>
|
|
</head>
|
|
<body class="yui3-skin-sam">
|
|
|
|
<div id="doc">
|
|
<div id="hd" class="yui3-g header">
|
|
<div class="yui3-u-3-4">
|
|
|
|
<h1><img src="http://www.goodboydigital.com/pixijs/logo_small.png" title="Pixi.JS"></h1>
|
|
|
|
</div>
|
|
<div class="yui3-u-1-4 version">
|
|
<em>API Docs for: 1.3.0</em>
|
|
</div>
|
|
</div>
|
|
<div id="bd" class="yui3-g">
|
|
|
|
<div class="yui3-u-1-4">
|
|
<div id="docs-sidebar" class="sidebar apidocs">
|
|
<div id="api-list">
|
|
<h2 class="off-left">APIs</h2>
|
|
<div id="api-tabview" class="tabview">
|
|
<ul class="tabs">
|
|
<li><a href="#api-classes">Classes</a></li>
|
|
<li><a href="#api-modules">Modules</a></li>
|
|
</ul>
|
|
|
|
<div id="api-tabview-filter">
|
|
<input type="search" id="api-filter" placeholder="Type to filter APIs">
|
|
</div>
|
|
|
|
<div id="api-tabview-panel">
|
|
<ul id="api-classes" class="apis classes">
|
|
|
|
<li><a href="../classes/AssetLoader.html">AssetLoader</a></li>
|
|
|
|
<li><a href="../classes/BaseTexture.html">BaseTexture</a></li>
|
|
|
|
<li><a href="../classes/BitmapFontLoader.html">BitmapFontLoader</a></li>
|
|
|
|
<li><a href="../classes/BitmapText.html">BitmapText</a></li>
|
|
|
|
<li><a href="../classes/CanvasGraphics.html">CanvasGraphics</a></li>
|
|
|
|
<li><a href="../classes/CanvasRenderer.html">CanvasRenderer</a></li>
|
|
|
|
<li><a href="../classes/Circle.html">Circle</a></li>
|
|
|
|
<li><a href="../classes/CustomRenderable.html">CustomRenderable</a></li>
|
|
|
|
<li><a href="../classes/DisplayObject.html">DisplayObject</a></li>
|
|
|
|
<li><a href="../classes/DisplayObjectContainer.html">DisplayObjectContainer</a></li>
|
|
|
|
<li><a href="../classes/Ellipse.html">Ellipse</a></li>
|
|
|
|
<li><a href="../classes/Graphics.html">Graphics</a></li>
|
|
|
|
<li><a href="../classes/ImageLoader.html">ImageLoader</a></li>
|
|
|
|
<li><a href="../classes/InteractionData.html">InteractionData</a></li>
|
|
|
|
<li><a href="../classes/InteractionManager.html">InteractionManager</a></li>
|
|
|
|
<li><a href="../classes/JsonLoader.html">JsonLoader</a></li>
|
|
|
|
<li><a href="../classes/MovieClip.html">MovieClip</a></li>
|
|
|
|
<li><a href="../classes/Point.html">Point</a></li>
|
|
|
|
<li><a href="../classes/Polygon.html">Polygon</a></li>
|
|
|
|
<li><a href="../classes/Rectangle.html">Rectangle</a></li>
|
|
|
|
<li><a href="../classes/RenderTexture.html">RenderTexture</a></li>
|
|
|
|
<li><a href="../classes/Spine.html">Spine</a></li>
|
|
|
|
<li><a href="../classes/Sprite.html">Sprite</a></li>
|
|
|
|
<li><a href="../classes/SpriteSheetLoader.html">SpriteSheetLoader</a></li>
|
|
|
|
<li><a href="../classes/Stage.html">Stage</a></li>
|
|
|
|
<li><a href="../classes/Text.html">Text</a></li>
|
|
|
|
<li><a href="../classes/Texture.html">Texture</a></li>
|
|
|
|
<li><a href="../classes/TilingSprite.html">TilingSprite</a></li>
|
|
|
|
<li><a href="../classes/WebGLBatch.html">WebGLBatch</a></li>
|
|
|
|
<li><a href="../classes/WebGLRenderer.html">WebGLRenderer</a></li>
|
|
|
|
</ul>
|
|
|
|
<ul id="api-modules" class="apis modules">
|
|
|
|
<li><a href="../modules/PIXI.html">PIXI</a></li>
|
|
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
<div class="yui3-u-3-4">
|
|
<div id="api-options">
|
|
Show:
|
|
<label for="api-show-inherited">
|
|
<input type="checkbox" id="api-show-inherited" checked>
|
|
Inherited
|
|
</label>
|
|
|
|
<label for="api-show-protected">
|
|
<input type="checkbox" id="api-show-protected">
|
|
Protected
|
|
</label>
|
|
|
|
<label for="api-show-private">
|
|
<input type="checkbox" id="api-show-private">
|
|
Private
|
|
</label>
|
|
<label for="api-show-deprecated">
|
|
<input type="checkbox" id="api-show-deprecated">
|
|
Deprecated
|
|
</label>
|
|
|
|
</div>
|
|
|
|
|
|
<div class="apidocs">
|
|
<div id="docs-main">
|
|
<div class="content">
|
|
<h1 class="file-heading">File: src/pixi/renderers/webgl/WebGLShaders.js</h1>
|
|
|
|
<div class="file">
|
|
<pre class="code prettyprint linenums">
|
|
|
|
/**
|
|
* @author Mat Groves http://matgroves.com/ @Doormat23
|
|
*/
|
|
|
|
|
|
/*
|
|
* the default suoer fast shader!
|
|
*/
|
|
|
|
PIXI.shaderFragmentSrc = [
|
|
"precision mediump float;",
|
|
"varying vec2 vTextureCoord;",
|
|
"varying float vColor;",
|
|
"uniform sampler2D uSampler;",
|
|
"void main(void) {",
|
|
"gl_FragColor = texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y));",
|
|
"gl_FragColor = gl_FragColor * vColor;",
|
|
"}"
|
|
];
|
|
|
|
PIXI.shaderVertexSrc = [
|
|
"attribute vec2 aVertexPosition;",
|
|
"attribute vec2 aTextureCoord;",
|
|
"attribute float aColor;",
|
|
//"uniform mat4 uMVMatrix;",
|
|
|
|
"uniform vec2 projectionVector;",
|
|
"varying vec2 vTextureCoord;",
|
|
"varying float vColor;",
|
|
"void main(void) {",
|
|
// "gl_Position = uMVMatrix * vec4(aVertexPosition, 1.0, 1.0);",
|
|
"gl_Position = vec4( aVertexPosition.x / projectionVector.x -1.0, aVertexPosition.y / -projectionVector.y + 1.0 , 0.0, 1.0);",
|
|
"vTextureCoord = aTextureCoord;",
|
|
"vColor = aColor;",
|
|
"}"
|
|
];
|
|
|
|
/*
|
|
* the triangle strip shader..
|
|
*/
|
|
|
|
PIXI.stripShaderFragmentSrc = [
|
|
"precision mediump float;",
|
|
"varying vec2 vTextureCoord;",
|
|
"varying float vColor;",
|
|
"uniform float alpha;",
|
|
"uniform sampler2D uSampler;",
|
|
"void main(void) {",
|
|
"gl_FragColor = texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y));",
|
|
"gl_FragColor = gl_FragColor * alpha;",
|
|
"}"
|
|
];
|
|
|
|
|
|
PIXI.stripShaderVertexSrc = [
|
|
"attribute vec2 aVertexPosition;",
|
|
"attribute vec2 aTextureCoord;",
|
|
"attribute float aColor;",
|
|
"uniform mat3 translationMatrix;",
|
|
"uniform vec2 projectionVector;",
|
|
"varying vec2 vTextureCoord;",
|
|
"varying float vColor;",
|
|
"void main(void) {",
|
|
"vec3 v = translationMatrix * vec3(aVertexPosition, 1.0);",
|
|
"gl_Position = vec4( v.x / projectionVector.x -1.0, v.y / -projectionVector.y + 1.0 , 0.0, 1.0);",
|
|
"vTextureCoord = aTextureCoord;",
|
|
"vColor = aColor;",
|
|
"}"
|
|
];
|
|
|
|
|
|
/*
|
|
* primitive shader..
|
|
*/
|
|
|
|
PIXI.primitiveShaderFragmentSrc = [
|
|
"precision mediump float;",
|
|
"varying vec4 vColor;",
|
|
"void main(void) {",
|
|
"gl_FragColor = vColor;",
|
|
"}"
|
|
];
|
|
|
|
PIXI.primitiveShaderVertexSrc = [
|
|
"attribute vec2 aVertexPosition;",
|
|
"attribute vec4 aColor;",
|
|
"uniform mat3 translationMatrix;",
|
|
"uniform vec2 projectionVector;",
|
|
"uniform float alpha;",
|
|
"varying vec4 vColor;",
|
|
"void main(void) {",
|
|
"vec3 v = translationMatrix * vec3(aVertexPosition, 1.0);",
|
|
"gl_Position = vec4( v.x / projectionVector.x -1.0, v.y / -projectionVector.y + 1.0 , 0.0, 1.0);",
|
|
"vColor = aColor * alpha;",
|
|
"}"
|
|
];
|
|
|
|
PIXI.initPrimitiveShader = function()
|
|
{
|
|
var gl = PIXI.gl;
|
|
|
|
var shaderProgram = PIXI.compileProgram(PIXI.primitiveShaderVertexSrc, PIXI.primitiveShaderFragmentSrc)
|
|
|
|
gl.useProgram(shaderProgram);
|
|
|
|
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
|
|
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
|
|
|
|
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
|
|
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, "translationMatrix");
|
|
|
|
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, "alpha");
|
|
|
|
PIXI.primitiveProgram = shaderProgram;
|
|
}
|
|
|
|
PIXI.initDefaultShader = function()
|
|
{
|
|
var gl = this.gl;
|
|
var shaderProgram = PIXI.compileProgram(PIXI.shaderVertexSrc, PIXI.shaderFragmentSrc)
|
|
|
|
gl.useProgram(shaderProgram);
|
|
|
|
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
|
|
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
|
|
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, "aTextureCoord");
|
|
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
|
|
|
|
// shaderProgram.mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");
|
|
shaderProgram.samplerUniform = gl.getUniformLocation(shaderProgram, "uSampler");
|
|
|
|
PIXI.shaderProgram = shaderProgram;
|
|
}
|
|
|
|
PIXI.initDefaultStripShader = function()
|
|
{
|
|
var gl = this.gl;
|
|
var shaderProgram = PIXI.compileProgram(PIXI.stripShaderVertexSrc, PIXI.stripShaderFragmentSrc)
|
|
|
|
gl.useProgram(shaderProgram);
|
|
|
|
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
|
|
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
|
|
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, "aTextureCoord");
|
|
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, "translationMatrix");
|
|
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, "alpha");
|
|
|
|
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, "aColor");
|
|
|
|
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, "projectionVector");
|
|
|
|
shaderProgram.samplerUniform = gl.getUniformLocation(shaderProgram, "uSampler");
|
|
|
|
PIXI.stripShaderProgram = shaderProgram;
|
|
}
|
|
|
|
PIXI.CompileVertexShader = function(gl, shaderSrc)
|
|
{
|
|
return PIXI._CompileShader(gl, shaderSrc, gl.VERTEX_SHADER);
|
|
}
|
|
|
|
PIXI.CompileFragmentShader = function(gl, shaderSrc)
|
|
{
|
|
return PIXI._CompileShader(gl, shaderSrc, gl.FRAGMENT_SHADER);
|
|
}
|
|
|
|
PIXI._CompileShader = function(gl, shaderSrc, shaderType)
|
|
{
|
|
var src = shaderSrc.join("\n");
|
|
var shader = gl.createShader(shaderType);
|
|
gl.shaderSource(shader, src);
|
|
gl.compileShader(shader);
|
|
|
|
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
|
|
alert(gl.getShaderInfoLog(shader));
|
|
return null;
|
|
}
|
|
|
|
return shader;
|
|
}
|
|
|
|
|
|
PIXI.compileProgram = function(vertexSrc, fragmentSrc)
|
|
{
|
|
var gl = PIXI.gl;
|
|
var fragmentShader = PIXI.CompileFragmentShader(gl, fragmentSrc);
|
|
var vertexShader = PIXI.CompileVertexShader(gl, vertexSrc);
|
|
|
|
var shaderProgram = gl.createProgram();
|
|
|
|
gl.attachShader(shaderProgram, vertexShader);
|
|
gl.attachShader(shaderProgram, fragmentShader);
|
|
gl.linkProgram(shaderProgram);
|
|
|
|
if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
|
|
alert("Could not initialise shaders");
|
|
}
|
|
|
|
return shaderProgram;
|
|
}
|
|
|
|
|
|
PIXI.activateDefaultShader = function()
|
|
{
|
|
var gl = PIXI.gl;
|
|
var shaderProgram = PIXI.shaderProgram;
|
|
|
|
gl.useProgram(shaderProgram);
|
|
|
|
|
|
gl.enableVertexAttribArray(shaderProgram.vertexPositionAttribute);
|
|
gl.enableVertexAttribArray(shaderProgram.textureCoordAttribute);
|
|
gl.enableVertexAttribArray(shaderProgram.colorAttribute);
|
|
}
|
|
|
|
|
|
|
|
PIXI.activatePrimitiveShader = function()
|
|
{
|
|
var gl = PIXI.gl;
|
|
|
|
gl.disableVertexAttribArray(PIXI.shaderProgram.textureCoordAttribute);
|
|
gl.disableVertexAttribArray(PIXI.shaderProgram.colorAttribute);
|
|
|
|
gl.useProgram(PIXI.primitiveProgram);
|
|
|
|
gl.enableVertexAttribArray(PIXI.primitiveProgram.vertexPositionAttribute);
|
|
gl.enableVertexAttribArray(PIXI.primitiveProgram.colorAttribute);
|
|
}
|
|
|
|
|
|
</pre>
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<script src="../assets/vendor/prettify/prettify-min.js"></script>
|
|
<script>prettyPrint();</script>
|
|
<script src="../assets/js/yui-prettify.js"></script>
|
|
<script src="../assets/../api.js"></script>
|
|
<script src="../assets/js/api-filter.js"></script>
|
|
<script src="../assets/js/api-list.js"></script>
|
|
<script src="../assets/js/api-search.js"></script>
|
|
<script src="../assets/js/apidocs.js"></script>
|
|
</body>
|
|
</html>
|