blob: d0413b717cae2622afc56484d8e29cb26cd0ef1e [file] [log] [blame]
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if (window.testRunner)
window.testRunner.dumpAsText();
function createShader(str, type) {
var shader = gl.createShader(type);
gl.shaderSource(shader, str);
gl.compileShader(shader);
return shader;
}
function createProgram(vstr, fstr) {
var program = gl.createProgram();
var vshader = createShader(vstr, gl.VERTEX_SHADER);
var fshader = createShader(fstr, gl.FRAGMENT_SHADER);
gl.attachShader(program, vshader);
gl.attachShader(program, fshader);
gl.linkProgram(program);
return program;
}
var canvas = document.createElement("canvas");
var gl = canvas.getContext("webgl");
var vs = 'attribute vec2 pos; void main() { gl_Position = vec4(pos, 0, 1); }';
var fs = 'precision mediump float; void main() { gl_FragColor = vec4(0,0.8,0,1); }';
var program = createProgram(vs, fs);
gl.useProgram(program);
gl.drawArrays(0, 0, 0x4000000);
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