mame/bgfx/effects/misc/lut.json

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{
"blend": {
"equation": "add",
"srcColor": "srcalpha",
"dstColor": "1-srcalpha",
"srcAlpha": "srcalpha",
"dstAlpha": "1-srcalpha"
},
"depth": {
"function": "always"
},
"cull": {
"mode": "none"
},
"write": {
"rgb": true,
"alpha": true
},
"vertex": "chains/misc/vs_lut",
"fragment": "chains/misc/fs_lut",
"uniforms": [
{ "name": "s_tex", "type": "int", "values": [ 1.0 ] },
{ "name": "s_3dlut", "type": "int", "values": [ 1.0 ] },
{ "name": "u_tex_size1", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] },
{ "name": "u_inv_tex_size1", "type": "vec4", "values": [ 1.0, 1.0, 0.0, 0.0 ] }
]
}