mame/bgfx/effects/lcd-grid/persistence.json

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{
"blend": {
"equation": "add",
"srcColor": "1",
"dstColor": "0",
"srcAlpha": "1",
"dstAlpha": "0"
},
"depth": {
"function": "always",
"writeenable": false
},
"cull": {
"mode": "none"
},
"write": {
"rgb": true,
"alpha": true
},
"vertex": "chains/lcd-grid/vs_persistence",
"fragment": "chains/lcd-grid/fs_persistence",
"uniforms": [
{ "name": "s_screen", "type": "int", "values": [ 0 ] },
{ "name": "s_motionblur","type": "int", "values": [ 1 ] },
{ "name": "u_persistence","type":"vec4", "values": [ 0.0, 0.0, 0.0, 0.0 ] }
]
}