OpenGL Insights

3. WebGL for OpenGL Developers 37

< script id= "fs" type= "x- shader /x- fragment ">

void main (void )

{

gl_FragColor = vec4 (1.0);

}

</script >

Listing 3.3. Storing a fragment shader in an HTML script tag.

a shader this way as compared to using JavaScript strings, it is not as productive

as having separate files for each shader.

• Store each shader in a separate file, creating the b est scenario for shader author-

ing. Shaders can be transferred to the client individually on an as-needed basis

using XMLHttpRequest [Salga 11]. This has the downside of requiring an

HTTP request per shader; however, this is unlikely to be significant compared

to other HTTP requests ...