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Mat Groves 2013-11-02 11:37:42 +00:00
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@ -2,12 +2,12 @@
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@ -142,167 +166,74 @@
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<h1 class="file-heading">File: src&#x2F;pixi&#x2F;renderers&#x2F;webgl&#x2F;WebGLShaders.js</h1>
<h1 class="file-heading">File: src/pixi/renderers/webgl/WebGLShaders.js</h1>
<div class="file">
<pre class="code prettyprint linenums">
&#x2F;**
* @author Mat Groves http:&#x2F;&#x2F;matgroves.com&#x2F; @Doormat23
*&#x2F;
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
&#x2F;*
* the default suoer fast shader!
*&#x2F;
PIXI.initDefaultShaders = function()
{
PIXI.primitiveShader = new PIXI.PrimitiveShader();
PIXI.primitiveShader.init();
PIXI.shaderFragmentSrc = [
&quot;precision mediump float;&quot;,
&quot;varying vec2 vTextureCoord;&quot;,
&quot;varying float vColor;&quot;,
&quot;uniform sampler2D uSampler;&quot;,
&quot;void main(void) {&quot;,
&quot;gl_FragColor = texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y));&quot;,
&quot;gl_FragColor = gl_FragColor * vColor;&quot;,
&quot;}&quot;
];
PIXI.stripShader = new PIXI.StripShader();
PIXI.stripShader.init();
PIXI.shaderVertexSrc = [
&quot;attribute vec2 aVertexPosition;&quot;,
&quot;attribute vec2 aTextureCoord;&quot;,
&quot;attribute float aColor;&quot;,
&#x2F;&#x2F;&quot;uniform mat4 uMVMatrix;&quot;,
PIXI.defaultShader = new PIXI.PixiShader();
PIXI.defaultShader.init();
var gl = PIXI.gl;
var shaderProgram = PIXI.defaultShader.program;
gl.useProgram(shaderProgram);
&quot;uniform vec2 projectionVector;&quot;,
&quot;varying vec2 vTextureCoord;&quot;,
&quot;varying float vColor;&quot;,
&quot;void main(void) {&quot;,
&#x2F;&#x2F; &quot;gl_Position = uMVMatrix * vec4(aVertexPosition, 1.0, 1.0);&quot;,
&quot;gl_Position = vec4( aVertexPosition.x &#x2F; projectionVector.x -1.0, aVertexPosition.y &#x2F; -projectionVector.y + 1.0 , 0.0, 1.0);&quot;,
&quot;vTextureCoord = aTextureCoord;&quot;,
&quot;vColor = aColor;&quot;,
&quot;}&quot;
];
&#x2F;*
* the triangle strip shader..
*&#x2F;
PIXI.stripShaderFragmentSrc = [
&quot;precision mediump float;&quot;,
&quot;varying vec2 vTextureCoord;&quot;,
&quot;varying float vColor;&quot;,
&quot;uniform float alpha;&quot;,
&quot;uniform sampler2D uSampler;&quot;,
&quot;void main(void) {&quot;,
&quot;gl_FragColor = texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y));&quot;,
&quot;gl_FragColor = gl_FragColor * alpha;&quot;,
&quot;}&quot;
];
PIXI.stripShaderVertexSrc = [
&quot;attribute vec2 aVertexPosition;&quot;,
&quot;attribute vec2 aTextureCoord;&quot;,
&quot;attribute float aColor;&quot;,
&quot;uniform mat3 translationMatrix;&quot;,
&quot;uniform vec2 projectionVector;&quot;,
&quot;varying vec2 vTextureCoord;&quot;,
&quot;varying float vColor;&quot;,
&quot;void main(void) {&quot;,
&quot;vec3 v = translationMatrix * vec3(aVertexPosition, 1.0);&quot;,
&quot;gl_Position = vec4( v.x &#x2F; projectionVector.x -1.0, v.y &#x2F; -projectionVector.y + 1.0 , 0.0, 1.0);&quot;,
&quot;vTextureCoord = aTextureCoord;&quot;,
&quot;vColor = aColor;&quot;,
&quot;}&quot;
];
&#x2F;*
* primitive shader..
*&#x2F;
PIXI.primitiveShaderFragmentSrc = [
&quot;precision mediump float;&quot;,
&quot;varying vec4 vColor;&quot;,
&quot;void main(void) {&quot;,
&quot;gl_FragColor = vColor;&quot;,
&quot;}&quot;
];
PIXI.primitiveShaderVertexSrc = [
&quot;attribute vec2 aVertexPosition;&quot;,
&quot;attribute vec4 aColor;&quot;,
&quot;uniform mat3 translationMatrix;&quot;,
&quot;uniform vec2 projectionVector;&quot;,
&quot;uniform float alpha;&quot;,
&quot;varying vec4 vColor;&quot;,
&quot;void main(void) {&quot;,
&quot;vec3 v = translationMatrix * vec3(aVertexPosition, 1.0);&quot;,
&quot;gl_Position = vec4( v.x &#x2F; projectionVector.x -1.0, v.y &#x2F; -projectionVector.y + 1.0 , 0.0, 1.0);&quot;,
&quot;vColor = aColor * alpha;&quot;,
&quot;}&quot;
];
PIXI.initPrimitiveShader = function()
{
var gl = PIXI.gl;
var shaderProgram = PIXI.compileProgram(PIXI.primitiveShaderVertexSrc, PIXI.primitiveShaderFragmentSrc)
gl.useProgram(shaderProgram);
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, &quot;aVertexPosition&quot;);
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, &quot;aColor&quot;);
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, &quot;projectionVector&quot;);
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, &quot;translationMatrix&quot;);
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, &quot;alpha&quot;);
PIXI.primitiveProgram = shaderProgram;
gl.enableVertexAttribArray(PIXI.defaultShader.aVertexPosition);
gl.enableVertexAttribArray(PIXI.defaultShader.colorAttribute);
gl.enableVertexAttribArray(PIXI.defaultShader.aTextureCoord);
}
PIXI.initDefaultShader = function()
PIXI.activatePrimitiveShader = function()
{
var gl = this.gl;
var shaderProgram = PIXI.compileProgram(PIXI.shaderVertexSrc, PIXI.shaderFragmentSrc)
gl.useProgram(shaderProgram);
var gl = PIXI.gl;
gl.useProgram(PIXI.primitiveShader.program);
gl.disableVertexAttribArray(PIXI.defaultShader.aTextureCoord);
}
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, &quot;aVertexPosition&quot;);
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, &quot;projectionVector&quot;);
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, &quot;aTextureCoord&quot;);
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, &quot;aColor&quot;);
PIXI.deactivatePrimitiveShader = function()
{
var gl = PIXI.gl;
&#x2F;&#x2F; shaderProgram.mvMatrixUniform = gl.getUniformLocation(shaderProgram, &quot;uMVMatrix&quot;);
shaderProgram.samplerUniform = gl.getUniformLocation(shaderProgram, &quot;uSampler&quot;);
PIXI.shaderProgram = shaderProgram;
gl.useProgram(PIXI.defaultShader.program);
gl.enableVertexAttribArray(PIXI.defaultShader.aTextureCoord);
}
PIXI.initDefaultStripShader = function()
PIXI.activateStripShader = function()
{
var gl = this.gl;
var shaderProgram = PIXI.compileProgram(PIXI.stripShaderVertexSrc, PIXI.stripShaderFragmentSrc)
gl.useProgram(shaderProgram);
var gl = PIXI.gl;
gl.useProgram(PIXI.stripShader.program);
// gl.disableVertexAttribArray(PIXI.defaultShader.aTextureCoord);
}
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, &quot;aVertexPosition&quot;);
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, &quot;projectionVector&quot;);
shaderProgram.textureCoordAttribute = gl.getAttribLocation(shaderProgram, &quot;aTextureCoord&quot;);
shaderProgram.translationMatrix = gl.getUniformLocation(shaderProgram, &quot;translationMatrix&quot;);
shaderProgram.alpha = gl.getUniformLocation(shaderProgram, &quot;alpha&quot;);
PIXI.deactivateStripShader = function()
{
var gl = PIXI.gl;
shaderProgram.colorAttribute = gl.getAttribLocation(shaderProgram, &quot;aColor&quot;);
shaderProgram.projectionVector = gl.getUniformLocation(shaderProgram, &quot;projectionVector&quot;);
shaderProgram.samplerUniform = gl.getUniformLocation(shaderProgram, &quot;uSampler&quot;);
PIXI.stripShaderProgram = shaderProgram;
gl.useProgram(PIXI.defaultShader.program);
//gl.enableVertexAttribArray(PIXI.defaultShader.aTextureCoord);
}
/*
SHADER COMPILER HELPERS
*/
PIXI.CompileVertexShader = function(gl, shaderSrc)
{
return PIXI._CompileShader(gl, shaderSrc, gl.VERTEX_SHADER);
@ -321,7 +252,7 @@ PIXI._CompileShader = function(gl, shaderSrc, shaderType)
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
alert(gl.getShaderInfoLog(shader));
console.log(gl.getShaderInfoLog(shader));
return null;
}
@ -342,42 +273,12 @@ PIXI.compileProgram = function(vertexSrc, fragmentSrc)
gl.linkProgram(shaderProgram);
if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
alert(&quot;Could not initialise shaders&quot;);
console.log(&quot;Could not initialise shaders&quot;);
}
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>
@ -387,13 +288,13 @@ PIXI.activatePrimitiveShader = function()
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