{
  "blend": {
    "func": "add",
    "srcrgb": "srcalpha",
    "dstrgb": "1-srcalpha"
  },
  "vertex": "blit",
  "fragment": "pmweather:blur",
  "attributes": ["Position"],
  "samplers": [
    {"name": "DiffuseSampler"},
    {"name": "DepthSampler"},
    {"name": "CloudSampler"}
  ],
  "uniforms": [
    {"name": "downsample", "type": "float", "count": 1, "values": [0.1]},
    {"name": "glowFix", "type": "float", "count": 1, "values": [0]},
    {"name": "doBlur", "type": "float", "count": 1, "values": [1]},

    {"name": "ProjMat", "type": "matrix4x4", "count": 16, "values": [ 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0 ]},
    {"name": "OutSize", "type": "float",     "count": 2,  "values": [ 1.0, 1.0 ]}
  ]
}