public void createOnGlThread()

in app/src/main/java/com/facebook/sample/rendering/SampleGLTFRenderer.java [164:181]


    public void createOnGlThread(Context context, String glTFAssetName)
            throws IOException {

        shaderProgram = new ShaderProgram(
                readAsset(context, "gltfobjectvert.glsl"),
                readAsset(context, "gltfobjectfrag.glsl"));

        GLES20.glUseProgram(shaderProgram.getShaderHandle());

        modelViewProjectionUniform = shaderProgram.getUniform("u_ModelViewProjection");
        positionAttribute = shaderProgram.getAttribute("a_Position");
        Matrix.setIdentityM(modelMatrix, 0);

        // Read the gltf file and create render objects.
        InputStream gltfInput = context.getAssets().open(glTFAssetName);
        SampleGLTFReader.GLTFScene gltfScene = SampleGLTFReader.read(gltfInput);
        gltfRenderObjects = CreateGLTFRenderObjects(gltfScene);
    }