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OpenGLTest.js
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/****************************************************************************
http://www.cocos2d-html5.org
http://www.cocos2d-iphone.org
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
var OpenGLTestIdx = -1;
// the class inherit from TestScene
// every Scene each test used must inherit from TestScene,
// make sure the test have the menu item for back to main menu
var OpenGLTestScene = TestScene.extend({
runThisTest:function () {
OpenGLTestIdx = -1;
this.addChild(nextOpenGLTest());
director.replaceScene(this);
}
});
cc.GLNode = cc.Node.extend({
draw:function(ctx){
this._super(ctx);
}
});
cc.GLNode.create = function(){
var node = new cc.GLNode();
node.init();
return node;
};
var OpenGLTestLayer = BaseTestLayer.extend({
_grossini:null,
_tamara:null,
_kathia:null,
_code:null,
ctor:function() {
this._super(cc.c4b(0,0,0,255), cc.c4b(98,99,117,255) );
},
title:function () {
return "OpenGLTest";
},
subtitle:function () {
return "";
},
onBackCallback:function (sender) {
var s = new OpenGLTestScene();
s.addChild(previousOpenGLTest());
director.replaceScene(s);
},
onRestartCallback:function (sender) {
var s = new OpenGLTestScene();
s.addChild(restartOpenGLTest());
director.replaceScene(s);
},
onNextCallback:function (sender) {
var s = new OpenGLTestScene();
s.addChild(nextOpenGLTest());
director.replaceScene(s);
},
// automation
numberOfPendingTests:function() {
return ( (arrayOfOpenGLTest.length-1) - OpenGLTestIdx );
},
getTestNumber:function() {
return OpenGLTestIdx;
}
});
//------------------------------------------------------------------
//
// ReadPixelsTest
//
//------------------------------------------------------------------
var GLReadPixelsTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var x = winSize.width;
var y = winSize.height;
var blue = cc.LayerColor.create(cc.c4b(0, 0, 255, 255));
var red = cc.LayerColor.create(cc.c4b(255, 0, 0, 255));
var green = cc.LayerColor.create(cc.c4b(0, 255, 0, 255));
var white = cc.LayerColor.create(cc.c4b(255, 255, 255, 255));
blue.setScale(0.5);
blue.setPosition(-x / 4, -y / 4);
red.setScale(0.5);
red.setPosition(x / 4, -y / 4);
green.setScale(0.5);
green.setPosition(-x / 4, y / 4);
white.setScale(0.5);
white.setPosition(x / 4, y / 4);
this.addChild(blue,10);
this.addChild(white,11);
this.addChild(green,12);
this.addChild(red,13);
}
},
title:function () {
return "gl.ReadPixels()";
},
subtitle:function () {
return "Tests ReadPixels. See console";
},
//
// Automation
//
getExpectedResult:function() {
// red, green, blue, white
var ret = [{"0":255,"1":0,"2":0,"3":255},{"0":0,"1":255,"2":0,"3":255},{"0":0,"1":0,"2":255,"3":255},{"0":255,"1":255,"2":255,"3":255}];
return JSON.stringify(ret);
},
getCurrentResult:function() {
var x = winSize.width;
var y = winSize.height;
var rPixels = new Uint8Array(4);
var gPixels = new Uint8Array(4);
var bPixels = new Uint8Array(4);
var wPixels = new Uint8Array(4);
// blue
gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, bPixels);
// red
gl.readPixels(x-1, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, rPixels);
// green
gl.readPixels(0, y-1, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, gPixels);
// white
gl.readPixels(x-1, y-1, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, wPixels);
var ret = [ rPixels, gPixels, bPixels, wPixels];
return JSON.stringify(ret);
}
});
//------------------------------------------------------------------
//
// GLClearTest
//
//------------------------------------------------------------------
var GLClearTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var blue = cc.LayerColor.create(cc.c4b(0, 0, 255, 255));
this.addChild( blue, 1 );
var node = new cc.GLNode();
node.init();
node.draw = function() {
gl.clear( gl.COLOR_BUFFER_BIT );
};
this.addChild( node, 10 );
node.setPosition( winSize.width/2, winSize.height/2 );
}
},
title:function () {
return "gl.clear(gl.COLOR_BUFFER_BIT)";
},
subtitle:function () {
return "Testing gl.clear() with cc.GLNode";
},
//
// Automation
//
getExpectedResult:function() {
// black pixel, not a blue pixel
var ret = {"0":0,"1":0,"2":0,"3":255};
return JSON.stringify(ret);
},
getCurrentResult:function() {
var ret = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
return JSON.stringify(ret);
}
});
//------------------------------------------------------------------
//
// GLNodeWebGLAPITest
//
//------------------------------------------------------------------
var GLNodeWebGLAPITest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
// simple shader example taken from:
// http://learningwebgl.com/blog/?p=134
var vsh = "\n" +
"attribute vec3 aVertexPosition;\n" +
"attribute vec4 aVertexColor;\n" +
"uniform mat4 uMVMatrix;\n" +
"uniform mat4 uPMatrix;\n" +
"varying vec4 vColor;\n" +
"void main(void) {\n" +
" gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);\n" +
" vColor = aVertexColor;\n" +
"}\n";
var fsh = "\n" +
"#ifdef GL_ES\n" +
"precision mediump float;\n" +
"#endif\n" +
"varying vec4 vColor;\n" +
"void main(void) {\n"+
" gl_FragColor = vColor;\n" +
"}\n";
var fshader = this.compileShader(fsh, 'fragment');
var vshader = this.compileShader(vsh, 'vertex');
var shaderProgram = this.shaderProgram = gl.createProgram();
gl.attachShader(shaderProgram, vshader);
gl.attachShader(shaderProgram, fshader);
gl.linkProgram(shaderProgram);
if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
throw("Could not initialise shaders");
}
gl.useProgram(shaderProgram);
shaderProgram.vertexPositionAttribute = gl.getAttribLocation(shaderProgram, "aVertexPosition");
gl.enableVertexAttribArray(shaderProgram.vertexPositionAttribute);
shaderProgram.vertexColorAttribute = gl.getAttribLocation(shaderProgram, "aVertexColor");
gl.enableVertexAttribArray(shaderProgram.vertexColorAttribute);
shaderProgram.pMatrixUniform = gl.getUniformLocation(shaderProgram, "uPMatrix");
shaderProgram.mvMatrixUniform = gl.getUniformLocation(shaderProgram, "uMVMatrix");
this.initBuffers();
var glnode = cc.GLNode.create();
this.addChild(glnode,10);
this.glnode = glnode;
glnode.draw = function() {
var pMatrix = [1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1];
this.pMatrix = pMatrix = new Float32Array(pMatrix);
var mvMatrix = [1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1];
this.mvMatrix = mvMatrix = new Float32Array(mvMatrix);
gl.useProgram(this.shaderProgram);
gl.uniformMatrix4fv(this.shaderProgram.pMatrixUniform, false, this.pMatrix);
gl.uniformMatrix4fv(this.shaderProgram.mvMatrixUniform, false, this.mvMatrix);
gl.enableVertexAttribArray(this.shaderProgram.vertexPositionAttribute);
gl.enableVertexAttribArray(this.shaderProgram.vertexColorAttribute);
// Draw fullscreen Square
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexPositionBuffer);
gl.vertexAttribPointer(this.shaderProgram.vertexPositionAttribute, this.squareVertexPositionBuffer.itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexColorBuffer);
gl.vertexAttribPointer(this.shaderProgram.vertexColorAttribute, this.squareVertexColorBuffer.itemSize, gl.FLOAT, false, 0, 0);
this.setMatrixUniforms();
gl.drawArrays(gl.TRIANGLE_STRIP, 0, this.squareVertexPositionBuffer.numItems);
// Draw fullscreen Triangle
gl.bindBuffer(gl.ARRAY_BUFFER, this.triangleVertexPositionBuffer);
gl.vertexAttribPointer(this.shaderProgram.vertexPositionAttribute, this.triangleVertexPositionBuffer.itemSize, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, this.triangleVertexColorBuffer);
gl.vertexAttribPointer(this.shaderProgram.vertexColorAttribute, this.triangleVertexColorBuffer.itemSize, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLES, 0, this.triangleVertexPositionBuffer.numItems);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
}.bind(this);
}
},
setMatrixUniforms:function() {
gl.uniformMatrix4fv(this.shaderProgram.pMatrixUniform, false, this.pMatrix);
gl.uniformMatrix4fv(this.shaderProgram.mvMatrixUniform, false, this.mvMatrix);
},
initBuffers:function() {
var triangleVertexPositionBuffer = this.triangleVertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexPositionBuffer);
var vertices = [
0.0, 1.0, 0.0,
-1.0, -1.0, 0.0,
1.0, -1.0, 0.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
triangleVertexPositionBuffer.itemSize = 3;
triangleVertexPositionBuffer.numItems = 3;
var triangleVertexColorBuffer = this.triangleVertexColorBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexColorBuffer);
var colors = [
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(colors), gl.STATIC_DRAW);
triangleVertexColorBuffer.itemSize = 4;
triangleVertexColorBuffer.numItems = 3;
var squareVertexPositionBuffer = this.squareVertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, squareVertexPositionBuffer);
vertices = [
1.0, 1.0, 0.0,
-1.0, 1.0, 0.0,
1.0, -1.0, 0.0,
-1.0, -1.0, 0.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
squareVertexPositionBuffer.itemSize = 3;
squareVertexPositionBuffer.numItems = 4;
var squareVertexColorBuffer = this.squareVertexColorBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, squareVertexColorBuffer);
colors = [
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(colors), gl.STATIC_DRAW);
squareVertexColorBuffer.itemSize = 4;
squareVertexColorBuffer.numItems = 4;
gl.bindBuffer(gl.ARRAY_BUFFER, null);
},
compileShader:function(source, type) {
var shader;
if( type == 'fragment' )
shader = gl.createShader(gl.FRAGMENT_SHADER);
else
shader = gl.createShader(gl.VERTEX_SHADER);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if( !gl.getShaderParameter(shader, gl.COMPILE_STATUS) ) {
cc.log( gl.getShaderInfoLog(shader) );
throw("Could not compile " + type + " shader");
}
return shader;
},
title:function () {
return "GLNode + WebGL API";
},
subtitle:function () {
return "blue background with a red triangle in the middle";
},
//
// Automation
//
getExpectedResult:function() {
// blue, red, blue
var ret = [{"0":0,"1":0,"2":255,"3":255},{"0":0,"1":0,"2":255,"3":255},{"0":255,"1":0,"2":0,"3":255}];
return JSON.stringify(ret);
},
getCurrentResult:function() {
var ret1 = this.readPixels(10, winSize.height-1, 1, 1);
var ret2 = this.readPixels(winSize.width-10, winSize.height-1, 1, 1);
var ret3 = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
return JSON.stringify([ret1,ret2,ret3]);
}
});
//------------------------------------------------------------------
//
// GLNodeCCAPITest
//
//------------------------------------------------------------------
var GLNodeCCAPITest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var glnode = cc.GLNode.create();
this.addChild(glnode,10);
this.glnode = glnode;
this.shader = cc.ShaderCache.getInstance().getProgram("ShaderPositionColor");
this.initBuffers();
glnode.draw = function() {
this.shader.use();
this.shader.setUniformsForBuiltins();
cc.glEnableVertexAttribs( cc.VERTEX_ATTRIB_FLAG_COLOR | cc.VERTEX_ATTRIB_FLAG_POSITION);
// Draw fullscreen Square
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexPositionBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 2, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexColorBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_COLOR, 4, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
// Draw fullscreen Triangle
gl.bindBuffer(gl.ARRAY_BUFFER, this.triangleVertexPositionBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 2, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, this.triangleVertexColorBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_COLOR, 4, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 3);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
}.bind(this);
}
},
initBuffers:function() {
//
// Triangle
//
var triangleVertexPositionBuffer = this.triangleVertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexPositionBuffer);
var vertices = [
winSize.width/2, winSize.height,
0, 0,
winSize.width, 0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
var triangleVertexColorBuffer = this.triangleVertexColorBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, triangleVertexColorBuffer);
var colors = [
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0,
1.0, 0.0, 0.0, 1.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(colors), gl.STATIC_DRAW);
//
// Square
//
var squareVertexPositionBuffer = this.squareVertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, squareVertexPositionBuffer);
vertices = [
winSize.width, winSize.height,
0, winSize.height,
winSize.width, 0,
0, 0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
var squareVertexColorBuffer = this.squareVertexColorBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, squareVertexColorBuffer);
colors = [
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(colors), gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
},
title:function () {
return "GLNode + cocos2d API";
},
subtitle:function () {
return "blue background with a red triangle in the middle";
},
//
// Automation
//
getExpectedResult:function() {
// blue, red, blue
var ret = [{"0":0,"1":0,"2":255,"3":255},{"0":0,"1":0,"2":255,"3":255},{"0":255,"1":0,"2":0,"3":255}];
return JSON.stringify(ret);
},
getCurrentResult:function() {
var ret1 = this.readPixels(10, winSize.height-1, 1, 1);
var ret2 = this.readPixels(winSize.width-10, winSize.height-1, 1, 1);
var ret3 = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
return JSON.stringify([ret1,ret2,ret3]);
}
});
//------------------------------------------------------------------
//
// ShaderNode
//
//------------------------------------------------------------------
var ShaderNode = cc.GLNode.extend({
ctor:function(vertexShader, framentShader) {
this._super();
this.init();
if( 'opengl' in sys.capabilities ) {
this.setContentSize(256,256);
this.setAnchorPoint(0.5, 0.5);
this.shader = cc.GLProgram.create(vertexShader, framentShader);
this.shader.retain();
this.shader.addAttribute("aVertex", cc.VERTEX_ATTRIB_POSITION);
this.shader.link();
this.shader.updateUniforms();
var program = this.shader.getProgram();
this.uniformCenter = gl.getUniformLocation( program, "center");
this.uniformResolution = gl.getUniformLocation( program, "resolution");
this.initBuffers();
this.scheduleUpdate();
this._time = 0;
}
},
draw:function() {
this.shader.use();
this.shader.setUniformsForBuiltins();
//
// Uniforms
//
this.shader.setUniformLocationF32( this.uniformCenter, winSize.width/2, winSize.height/2);
this.shader.setUniformLocationF32( this.uniformResolution, 256, 256);
cc.glEnableVertexAttribs( cc.VERTEX_ATTRIB_FLAG_POSITION );
// Draw fullscreen Square
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexPositionBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
},
update:function(dt) {
this._time += dt;
},
initBuffers:function() {
//
// Square
//
var squareVertexPositionBuffer = this.squareVertexPositionBuffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, squareVertexPositionBuffer);
vertices = [
256, 256,
0, 256,
256, 0,
0, 0
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
}
});
//------------------------------------------------------------------
//
// ShaderHeartTest
//
//------------------------------------------------------------------
var ShaderHeartTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Heart.vsh", "res/Shaders/example_Heart.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Heart Test";
},
subtitle:function () {
return "You should see a heart in the center";
},
//
// Automation
//
getExpectedResult:function() {
// redish pixel
var ret = {"0":255,"1":0,"2":0,"3":255};
return JSON.stringify(ret);
},
getCurrentResult:function() {
var ret = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
ret[0] = ret[0] > 240 ? 255 : 0;
ret[3] = ret[3] > 240 ? 255 : 0;
return JSON.stringify(ret);
}
});
//------------------------------------------------------------------
//
// ShaderMandelbrotTest
//
//------------------------------------------------------------------
var ShaderMandelbrotTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Mandelbrot.vsh", "res/Shaders/example_Mandelbrot.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Mandelbrot Test";
},
subtitle:function () {
return "Mandelbrot shader with Zoom";
},
//
// Automation
//
getExpectedResult:function() {
throw "Automation Test Not implemented yet";
},
getCurrentResult:function() {
throw "Automation Test Not implemented yet";
}
});
//------------------------------------------------------------------
//
// ShaderMonjoriTest
//
//------------------------------------------------------------------
var ShaderMonjoriTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Monjori.vsh", "res/Shaders/example_Monjori.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Monjori Test";
},
subtitle:function () {
return "Monjori plane deformations";
},
//
// Automation
//
getExpectedResult:function() {
throw "Automation Test Not implemented yet";
},
getCurrentResult:function() {
throw "Automation Test Not implemented yet";
}
});
//------------------------------------------------------------------
//
// ShaderPlasmaTest
//
//------------------------------------------------------------------
var ShaderPlasmaTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Plasma.vsh", "res/Shaders/example_Plasma.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Plasma Test";
},
subtitle:function () {
return "You should see a plasma in the center";
},
//
// Automation
//
getExpectedResult:function() {
// redish pixel
return JSON.stringify(true);
},
getCurrentResult:function() {
var ret = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
var sum = ret[0] + ret[1] + ret[2];
return JSON.stringify(sum>300);
}
});
//------------------------------------------------------------------
//
// ShaderFlowerTest
//
//------------------------------------------------------------------
var ShaderFlowerTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Flower.vsh", "res/Shaders/example_Flower.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Flower Test";
},
subtitle:function () {
return "You should see a moving Flower in the center";
},
//
// Automation
//
getExpectedResult:function() {
// redish pixel
return JSON.stringify(true);
},
getCurrentResult:function() {
var ret = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
var sum = ret[0] + ret[1] + ret[2];
return JSON.stringify(sum<30);
}
});
//------------------------------------------------------------------
//
// ShaderJuliaTest
//
//------------------------------------------------------------------
var ShaderJuliaTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var shaderNode = new ShaderNode("res/Shaders/example_Julia.vsh", "res/Shaders/example_Julia.fsh");
this.addChild(shaderNode,10);
shaderNode.setPosition( winSize.width/2, winSize.height/2);
}
},
title:function () {
return "Shader Julia Test";
},
subtitle:function () {
return "You should see Julia effect";
},
//
// Automation
//
getExpectedResult:function() {
// redish pixel
return JSON.stringify(true);
},
getCurrentResult:function() {
var ret = this.readPixels(winSize.width/2, winSize.height/2, 1, 1);
var sum = ret[0] + ret[1] + ret[2];
return JSON.stringify(sum>300);
}
});
//------------------------------------------------------------------
//
// ShaderRetro
//
//------------------------------------------------------------------
var ShaderRetroEffect = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var program = cc.GLProgram.create("res/Shaders/example_ColorBars.vsh", "res/Shaders/example_ColorBars.fsh");
program.addAttribute(cc.ATTRIBUTE_NAME_POSITION, cc.VERTEX_ATTRIB_POSITION);
program.addAttribute(cc.ATTRIBUTE_NAME_TEX_COORD, cc.VERTEX_ATTRIB_TEX_COORDS);
program.link();
program.updateUniforms();
var label = cc.LabelBMFont.create("RETRO EFFECT","res/fonts/west_england-64.fnt");
label.setShaderProgram( program );
label.setPosition(winSize.width/2, winSize.height/2);
this.addChild(label);
this.scheduleUpdate();
this.label = label;
this.accum = 0;
}
},
update:function(dt) {
this.accum += dt;
var children = this.label.getChildren();
for( var i in children ) {
var sprite = children[i];
var oldPosition = sprite.getPosition();
sprite.setPosition( oldPosition.x, Math.sin( this.accum * 2 + i/2.0) * 20 );
// add fabs() to prevent negative scaling
var scaleY = ( Math.sin( this.accum * 2 + i/2.0 + 0.707) );
sprite.setScaleY( scaleY );
}
},
title:function () {
return "Shader Retro Effect";
},
subtitle:function () {
return "Should see moving colors, and a sin effect on the letters";
}
//
// Automation
//
});
//------------------------------------------------------------------
//
// GLGetActiveTest
//
//------------------------------------------------------------------
var GLGetActiveTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var sprite = this.sprite = cc.Sprite.create("res/Images/grossini.png");
sprite.setPosition( winSize.width/2, winSize.height/2);
this.addChild( sprite );
// after auto test
this.scheduleOnce( this.onTest, 0.5 );
}
},
onTest:function(dt) {
cc.log( this.getCurrentResult() );
},
title:function () {
return "gl.getActive***";
},
subtitle:function () {
return "Tests gl.getActiveUniform / getActiveAttrib. See console";
},
//
// Automation
//
getExpectedResult:function() {
// redish pixel
var ret = [{"size":1,"type":35666,"name":"a_position"},{"size":1,"type":35678,"name":"CC_Texture"},[2,3]];
return JSON.stringify(ret);
},
getCurrentResult:function() {
var ret = [];
var p = this.sprite.getShaderProgram().getProgram();
ret.push( gl.getActiveAttrib( p, 0 ) );
ret.push( gl.getActiveUniform( p, 0 ) );
ret.push( gl.getAttachedShaders( p ) );
return JSON.stringify(ret);
}
});
//------------------------------------------------------------------
//
// TexImage2DTest
//
//------------------------------------------------------------------
var TexImage2DTest = OpenGLTestLayer.extend({
ctor:function() {
this._super();
if( 'opengl' in sys.capabilities ) {
var glnode = cc.GLNode.create();
this.addChild(glnode,10);
this.glnode = glnode;
glnode.setPosition(winSize.width/2, winSize.height/2);
glnode.setContentSize(128,128);
glnode.setAnchorPoint(0.5,0.5);
this.shader = cc.ShaderCache.getInstance().getProgram("ShaderPositionTexture");
this.initGL();
glnode.draw = function() {
this.shader.use();
this.shader.setUniformsForBuiltins();
gl.bindTexture(gl.TEXTURE_2D, this.my_texture);
cc.glEnableVertexAttribs( cc.VERTEX_ATTRIB_FLAG_TEX_COORDS | cc.VERTEX_ATTRIB_FLAG_POSITION);
// Draw fullscreen Square
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexPositionBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_POSITION, 2, gl.FLOAT, false, 0, 0);
gl.bindBuffer(gl.ARRAY_BUFFER, this.squareVertexTextureBuffer);
gl.vertexAttribPointer(cc.VERTEX_ATTRIB_TEX_COORDS, 2, gl.FLOAT, false, 0, 0);
gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);
gl.bindTexture(gl.TEXTURE_2D, null);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
}.bind(this);
}
},
initGL:function() {
var texture = this.my_texture = gl.createTexture();
gl.bindTexture( gl.TEXTURE_2D, texture );
var pixels = new Uint8Array(4096);
for( var i=0; i<pixels.length; ) {
pixels[i++] = i/4; // Red
pixels[i++] = i/16; // Green
pixels[i++] = i/8; // Blue
pixels[i++] = 255; // Alpha
}
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 32, 32, 0, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.bindTexture(gl.TEXTURE_2D, null);
//
// Square