function setWebGLEnabled(v) {
try {
coreModel.useWebGL(v);
} catch (e) {
console.warn("WebGL initialization failed. CPU solvers and rendering will be used.");
console.warn(e.message);
}
}
Shader.prototype.uniforms = function (uniforms) {
var name, location, value;
gl.useProgram(this.program);
for (name in uniforms) {
if (uniforms.hasOwnProperty(name)) {
if (this.uniformLocations[name] === undefined) {
this.uniformLocations[name] = gl.getUniformLocation(this.program, name);
}
location = this.uniformLocations[name];
if (location === null) {
console.warn('Shader: name ' + name + ' does not correspond to an active uniform variable.');
continue;
}
value = uniforms[name];
if (isArray(value)) {
switch (value.length) {
case 1: gl.uniform1fv(location, new Float32Array(value)); break;
case 2: gl.uniform2fv(location, new Float32Array(value)); break;
case 3: gl.uniform3fv(location, new Float32Array(value)); break;
case 4: gl.uniform4fv(location, new Float32Array(value)); break;
// Matrices are automatically transposed, since WebGL uses column-major
// indices instead of row-major indices.
case 9: gl.uniformMatrix3fv(location, false, new Float32Array([
value[0], value[3], value[6],
value[1], value[4], value[7],
value[2], value[5], value[8]
])); break;
case 16: gl.uniformMatrix4fv(location, false, new Float32Array([
value[0], value[4], value[8], value[12],
value[1], value[5], value[9], value[13],
value[2], value[6], value[10], value[14],
value[3], value[7], value[11], value[15]
])); break;
default: throw new Error('Shader: don\'t know how to load uniform "' + name + '" of length ' + value.length);
}
} else if (isNumber(value)) {
(this.isSampler[name] ? gl.uniform1i : gl.uniform1f).call(gl, location, value);
} else {
throw new Error('Shader: attempted to set uniform "' + name + '" to invalid value ' + value);
}
}
}
return this;
};
target.tick = function () {
console.warn("[PlaybackSupport] .tick() method should be overwritten by target!");
};