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The WebGLRenderingContext.createProgram() method of the WebGL API creates and initializes a WebGLProgram object.
Syntax
WebGLProgram gl.createProgram();
Parameters
None.
Return value
A WebGLProgram object that is a combination of two compiled WebGLShaders consisting of a vertex shader and a fragment shader (both written in GLSL). These are then linked into a usable program..
Examples
Creating a WebGL program
var program = gl.createProgram();
// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
if ( !gl.getProgramParameter( program, gl.LINK_STATUS) ) {
var info = gl.getProgramInfoLog(program);
throw "Could not compile WebGL program. \n\n" + info;
}
See WebGLShader for information on creating the vertexShader and fragmentShader in the above example.
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebGL 1.0 The definition of 'createProgram' in that specification. |
Recommendation | Initial definition. |
| OpenGL ES 2.0 The definition of 'glCreateProgram' in that specification. |
Standard | Man page of the (similar) OpenGL API. |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 9 | 12 | 4.0 (2.0) | 11 | 12 | 5.1 |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 25 | 4.0 (2.0) | 1.0 | ? | 12 | 8.0 |