phaser/src/renderer/webgl/shaders/Graphics-vert.js

module.exports = [
    '#define SHADER_NAME PHASER_GRAPHICS_VS',
    '',
    'precision mediump float;',
    '',
    'uniform mat4 uProjectionMatrix;',
    '',
    'attribute vec2 inPosition;',
    'attribute vec4 inColor;',
    '',
    'varying vec4 outColor;',
    '',
    'void main ()',
    '{',
    '    gl_Position = uProjectionMatrix * vec4(inPosition, 1.0, 1.0);',
    '',
    '    outColor = inColor;',
    '}',
    ''
].join('\n');