// license:BSD-3-Clause
// copyright-holders:Ryan Holtz,ImJezze
//============================================================
//
//  ntsc_decode.json: Composite NTSC decoder shader for CRT
//  simulation.
//
//============================================================
{
	"blend": {
		"equation": "add",
		"srcColor": "1",
		"dstColor": "0",
		"srcAlpha": "1",
		"dstAlpha": "0"
	},
	"depth": {
		"function": "always"
	},
	"cull": { "mode": "none" },
	"write": {
		"rgb": true,
		"alpha": true
	},
	"vertex": "chains/hlsl/vs_ntsc_decode",
	"fragment": "chains/hlsl/fs_ntsc_decode",
	"uniforms": [
		{ "name": "s_tex",             "type": "int",  "values": [ 1.0 ] },
		{ "name": "s_screen",          "type": "int",  "values": [ 1.0 ] },
		{ "name": "u_source_dims",     "type": "vec4", "values": [ 1.0,  1.0, 0.0, 0.0 ] },
		{ "name": "u_a_value",         "type": "vec4", "values": [ 0.5,  0.5, 0.5, 0.5 ] },
		{ "name": "u_b_value",         "type": "vec4", "values": [ 0.5,  0.5, 0.5, 0.5 ] },
		{ "name": "u_cc_value",        "type": "vec4", "values": [ 3.5795454, 3.5795454, 3.5795454, 3.5795454 ] },
		{ "name": "u_o_value",         "type": "vec4", "values": [ 1.570796325, 1.570796325, 1.570796325, 1.570796325 ] },
		{ "name": "u_scan_time",       "type": "vec4", "values": [ 52.6, 0.0, 0.0, 0.0 ] },
		{ "name": "u_notch_width",     "type": "vec4", "values": [ 2.0,  0.0, 0.0, 0.0 ] },
		{ "name": "u_y_freq_response", "type": "vec4", "values": [ 6.0,  0.0, 0.0, 0.0 ] },
		{ "name": "u_i_freq_response", "type": "vec4", "values": [ 1.2,  0.0, 0.0, 0.0 ] },
		{ "name": "u_q_freq_response", "type": "vec4", "values": [ 0.6,  0.0, 0.0, 0.0 ] },
		{ "name": "u_jitter_amount",   "type": "vec4", "values": [ 0.0,  0.0, 0.0, 0.0 ] },
		{ "name": "u_jitter_offset",   "type": "vec4", "values": [ 0.0,  0.0, 0.0, 0.0 ] },
		{ "name": "u_inv_view_dims",   "type": "vec4", "values": [ 1.0,  1.0, 0.0, 0.0 ] }
	]
}