gl-image/lib/glsl/default.d.ts

image filter utils based on webgl

export declare const defaultVertexSource = "\nattribute vec2 vertex;\nattribute vec2 _texCoord;\nvarying vec2 texCoord;\nvoid main() {\n    texCoord = _texCoord;\n    gl_Position = vec4(vertex * 2.0 - 1.0, 0.0, 1.0);\n}";
export declare const defaultFragmentSource = "\nprecision highp float;\nuniform sampler2D texture;\nvarying vec2 texCoord;\nvoid main() {\n    gl_FragColor = texture2D(texture, texCoord);\n}";