Re: [android-developers] cleaner shaders

I've been putting shader code into assets or raw resources for a long while. Writing your shaders as strings is a pain.

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H

On Dec 11, 2012 12:29 AM, "bob" <bob@coolfone.comze.com> wrote:

I'm looking at the BasicGLSurfaceView example, and I'm thinking maybe the vertex shader and fragment shader ought to be stored as assets for readability.

Right now they are like this:

    private final String mVertexShader =

        "uniform mat4 uMVPMatrix;\n" +

        "attribute vec4 aPosition;\n" +

        "attribute vec2 aTextureCoord;\n" +

        "varying vec2 vTextureCoord;\n" +

        "void main() {\n" +

        "  gl_Position = uMVPMatrix * aPosition;\n" +

        "  vTextureCoord = aTextureCoord;\n" +

        "}\n";

    private final String mFragmentShader =

        "precision mediump float;\n" +

        "varying vec2 vTextureCoord;\n" +

        "uniform sampler2D sTexture;\n" +

        "void main() {\n" +

        "  gl_FragColor = texture2D(sTexture, vTextureCoord);\n" +

        "}\n";

On iOS, they are stored in .vsh and .fsh files.  I think we should do something like that.  What do you guys think?

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