archive-gh-me/gpu.js
1
0
Fork 0
mirror of https://github.com/gpujs/gpu.js.git synced 2026-01-18 16:04:10 +00:00
Code Issues Projects Releases Wiki Activity

Fallback mode handling

Browse Source
This commit is contained in:
Eugene Cheah 2016-01-23 18:40:38 +08:00
parent 266e9dae1b
commit df50c42df5
3 changed files with 27 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
demo/index.html
View File

@ -1,26 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Test Case A</title>
</head>
<body>
<script src="../src/gpu.js"></script>
<script>
var threadDim = [3];
var blockDim = [1];
var f = GPU(function(a, b) {
var ret = a[this.thread.x] + b[this.thread.x];
return ret;
}, threadDim, blockDim);
var a = [1, 2, 3];
var b = [4, 5, 6];
var c = f(a, b);
// c = [5, 7, 9];
console.log(c);
</script>
</body>
</html>

4
folder-structure.md
View File

@ -3,3 +3,7 @@
+ demo : demo HTML files
+ lib : External library JS files
+ src : The source javascript
+ test
+ lib : the QUnit library
+ html : the QUnit html page
+ src : The unit test source code

29
src/gpu.js
View File

@ -2,9 +2,16 @@
///
/// The parameter object contains the following sub parameters
///
/// + thread (default: [1024])
/// + block (default: [1])
/// + mode (default: null)
/// +---------+---------------+---------------------------------------------------------------------------+
/// | Name | Default value | Description |
/// +---------+---------------+---------------------------------------------------------------------------+
/// | thread | [1024] | Thread dimension array |
/// | block | [1] | Block dimension array |
/// | mode | null | The CPU / GPU configuration mode, "auto" / null. Has the following modes. |
/// | | | + null / "auto" : Attempts to build GPU mode, else fallbacks |
/// | | | + "gpu" : Attempts to build GPU mode, else fallbacks |
/// | | | + "cpu" : Forces JS fallback mode only |
/// +---------+---------------+---------------------------------------------------------------------------+
///
/// @param inputFunction The calling to perform the conversion
/// @param paramObj The parameter configuration object
@ -30,13 +37,23 @@ var GPU = function(kernal, paramObj) {
//
var thread = paramObj.thread || [1024];
var block = paramObj.block || [1];
var mode = paramObj.mode && paramObj.mode.toLowerCase();
//
// Attempts to do the webclgl conversion, returns if success
//
var ret = GPU_jsToWebclgl(kernal, thread, block, paramObj);
if(ret != null) {
return ret;
var ret = null;
if( mode == null || mode == "gpu" ) {
// Attempts to do the conversion to webclgl
if( (ret = GPU_jsToWebclgl(kernal, thread, block, paramObj)) != null) {
return ret;
}
// GPU only mode failed, return null
if( mode == "gpu" ) {
return null;
}
}
//