Date post: | 15-Apr-2017 |
Category: |
Technology |
Upload: | noritada-shimizu |
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Open Source Project
Proudly non-profit, Mozilla makes products like Firefox with a mission to keep the power of the Web in the hands of users everywhere.
Mozilla Mission (https://www.mozilla.org/en-US/mission/)
To ensure the Internet is a global public resource, open and accessible to all.
Mozilla Mission(https://www.mozilla.org/en-US/mission/)
Web is the platform
function createShader (gl, sourceCode, type) {
// Compiles either a shader of type gl.VERTEX_SHADER or gl.FRAGMENT_SHADER var shader = gl.createShader( type );
gl.shaderSource( shader, sourceCode ); gl.compileShader( shader );
if ( !gl.getShaderParameter(shader, gl.COMPILE_STATUS) ) { var info = gl.getShaderInfoLog( shader );
throw "Could not compile WebGL program. \n\n" + info;
}}
var x = 42;
var y = "a string";var z = x + y; // z = "42a string"
eval("z = z.substr(1, 2)"); // z = "2a"
[1, "two", { three: 3 }].forEach(function(item) {
if (typeof item === typeof z) console.log([z, item]);}); // emits ["2a", "two"]
function fib(n){ if(n < 2){ return 1; } return fib(n - 1) + fib(n - 2);}
function fib(n){ if(n < 2){ return 1; } return fib(n - 1) + fib(n - 2);}
function fib(n) { n = n|0; if(n >>> 0 < 3){ return 1 | 0; } return ((fib(n - 1 | 0) | 0) + (fib(n - 2 | 0) | 0)) | 0;}
int func(int *p) {
int r = *p; return calc(r, r << 16);
}
function func(p) {
var r = HEAP32[p >> 2]; return calc(r, r << 16);
}
float array[5000]; // C++
int main() { for (int i = 0; i < 5000; ++i) {
array[i] += 1.0f; }
}
float array[5000]; // C++
int main() { for (int i = 0; i < 5000; ++i) {
array[i] += 1.0f; }
}
var buffer = new ArrayBuffer(32768); // JavaScriptvar HEAPF32 = new Float32Array(buffer);function main() { var a = 0, b = 0; do { a = (8 + (b << 2)) | 0; HEAPF32[a >> 2] = +HEAPF32[a >> 2] + 1.0; b = (b + 1) | 0; } while ((b | 0) < 5000);}
Single build & secure execution
-rw-r--r-- 1 chiko staff 99B 12 22 17:38 Makefile
-rw-r--r-- 1 chiko staff 1.9K 12 22 17:29 app.js-rw-r--r-- 1 chiko staff 247B 12 22 11:31 fib-asm.js
-rw-r--r-- 1 chiko staff 220B 12 21 17:36 fib.cpp-rw-r--r-- 1 chiko staff 184K 12 22 17:38 fib.js
-rw-r--r-- 1 chiko staff 2.8K 12 22 17:38 fib.js.mem
-rw-r--r-- 1 chiko staff 1.2K 12 22 17:10 index.html
function () {
"use asm"; function add(x, y) {
x = x | 0; y = y | 0;
return x + y | 0;
} return { add: add };
}
(module
(memory 16777216 16777216) (export "add" $add)
(func $add (param $x i32) (param $y i32) (result i32) (i32.add
(get_local $x)
(get_local $y) )
)
)
MozVR
Thank you & Questions?