From a4f615a14de8844ba996cf89d26639be9fb7c33b Mon Sep 17 00:00:00 2001
From: "therealmogminer@gmail.com" <therealmogminer@gmail.com>
Date: Tue, 29 Mar 2016 01:56:19 +0200
Subject: [PATCH] Get NTSC working in both bgfx and d3d, nw

---
 bgfx/chains/default.json                      |   4 +-
 bgfx/chains/hlsl.json                         |  50 +++++++++------
 bgfx/chains/unfiltered.json                   |   4 +-
 bgfx/shaders/dx11/fs_blit.bin                 | Bin 42904 -> 42904 bytes
 bgfx/shaders/dx11/fs_color.bin                | Bin 45305 -> 45305 bytes
 bgfx/shaders/dx11/fs_deconverge.bin           | Bin 43108 -> 43108 bytes
 bgfx/shaders/dx11/fs_defocus.bin              | Bin 49898 -> 49898 bytes
 bgfx/shaders/dx11/fs_distortion.bin           | Bin 60482 -> 60482 bytes
 bgfx/shaders/dx11/fs_gui.bin                  | Bin 42904 -> 42904 bytes
 bgfx/shaders/dx11/fs_ntsc_decode.bin          | Bin 60967 -> 60511 bytes
 bgfx/shaders/dx11/fs_ntsc_encode.bin          | Bin 50379 -> 50379 bytes
 bgfx/shaders/dx11/fs_phosphor.bin             | Bin 45190 -> 45190 bytes
 bgfx/shaders/dx11/fs_post.bin                 | Bin 57706 -> 57706 bytes
 bgfx/shaders/dx11/fs_prescale.bin             | Bin 45438 -> 45438 bytes
 bgfx/shaders/dx11/fs_screen.bin               | Bin 42904 -> 42904 bytes
 bgfx/shaders/dx11/vs_blit.bin                 | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_color.bin                | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_deconverge.bin           | Bin 45836 -> 45836 bytes
 bgfx/shaders/dx11/vs_defocus.bin              | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_distortion.bin           | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_gui.bin                  | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_ntsc_decode.bin          | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_ntsc_encode.bin          | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_phosphor.bin             | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_post.bin                 | Bin 43223 -> 43223 bytes
 bgfx/shaders/dx11/vs_prescale.bin             | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx11/vs_screen.bin               | Bin 43083 -> 43083 bytes
 bgfx/shaders/dx9/fs_ntsc_decode.bin           | Bin 7464 -> 8356 bytes
 bgfx/shaders/gles/fs_ntsc_decode.bin          | Bin 6640 -> 6438 bytes
 bgfx/shaders/glsl/fs_ntsc_decode.bin          | Bin 6282 -> 6050 bytes
 bgfx/shaders/metal/fs_ntsc_decode.bin         | Bin 7098 -> 6849 bytes
 hlsl/ntsc.fx                                  |  26 +++-----
 .../render/bgfx/shaders/fs_ntsc_decode.sc     |  57 ++++++++++--------
 .../render/bgfx/shaders/fs_ntsc_encode.sc     |   2 +-
 34 files changed, 80 insertions(+), 63 deletions(-)

diff --git a/bgfx/chains/default.json b/bgfx/chains/default.json
index 1142275e528..1012d6eacd5 100644
--- a/bgfx/chains/default.json
+++ b/bgfx/chains/default.json
@@ -7,14 +7,14 @@
 		}
 	],
 	"passes": [
-		{	"effect": "default\blit",
+		{	"effect": "default/blit",
 			"name": "Copy To Unstretched Texture",
 			"input": [
 				{ "sampler": "s_tex", "texture": "screen" }
 			],
 			"output": "temp"
 		},
-		{	"effect": "default\blit",
+		{	"effect": "default/blit",
 			"name": "Final Upscale",
 			"input": [
 				{ "sampler": "s_tex", "target": "temp" }
diff --git a/bgfx/chains/hlsl.json b/bgfx/chains/hlsl.json
index 3353f92018a..eabf0664857 100644
--- a/bgfx/chains/hlsl.json
+++ b/bgfx/chains/hlsl.json
@@ -57,17 +57,18 @@
 		
 		{ "type": "intenum", "name": "adjustments", "text": "Enable Adjustments", "default": 0, "max": 1, "min": 0, "step": 1, "scale": 1.0, "format": "%s", "screen": "any", "strings": [ "Off", "On" ] },
 
-		{ "type": "intenum", "name": "ntsc",            "text": "Enable NTSC",                   "default": 0,        "max": 1,        "min": 0,        "step": 1,   "scale": 1.0,       "format": "%s",    "screen": "any", "strings": [ "Off", "On" ] },
-		{ "type": "float",    "name": "a_value",         "text": "NTSC A Value",                  "default": 50,       "max": 100,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
-		{ "type": "float",    "name": "b_value",         "text": "NTSC B Value",                  "default": 50,       "max": 100,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
-		{ "type": "float",    "name": "cc_value",        "text": "NTSC Color Carrier (Hz)",       "default": 35795454, "max": 36795454, "min": 34795454, "step": 100, "scale": 0.0000001, "format": "%1.7f", "screen": "raster" },
-		{ "type": "float",    "name": "p_value",         "text": "NTSC Phase Offset",             "default": 100,      "max": 200,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
-		{ "type": "float",    "name": "scan_time",       "text": "NTSC Scanline Duration (uSec)", "default": 526,      "max": 1500,     "min": 1,        "step": 1,   "scale": 0.1,       "format": "%3.1f", "screen": "raster" },
-		{ "type": "float",    "name": "notch_width",     "text": "NTSC Color Notch Filter Width", "default": 100,      "max": 400,      "min": 1,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
-		{ "type": "float",    "name": "y_freq_response", "text": "NTSC Y Signal Bandwidth (Hz)",  "default": 600,      "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
-		{ "type": "float",    "name": "i_freq_response", "text": "NTSC I Signal Bandwidth (Hz)",  "default": 120,      "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
-		{ "type": "float",    "name": "q_freq_response", "text": "NTSC Q Signal Bandwidth (Hz)",  "default": 60,       "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
-		{ "type": "float",    "name": "jitter_offset",   "text": "NTSC Frame Jitter Offset",      "default": 0,        "max": 200,      "min": 1,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "intenum", "name": "ntsc",            "text": "Enable NTSC",                           "default": 0,        "max": 1,        "min": 0,        "step": 1,   "scale": 1.0,       "format": "%s",    "screen": "any", "strings": [ "Off", "On" ] },
+		{ "type": "float",   "name": "a_value",         "text": "NTSC A Value",                          "default": 50,       "max": 100,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "float",   "name": "b_value",         "text": "NTSC B Value",                          "default": 50,       "max": 100,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "float",   "name": "cc_value",        "text": "NTSC Color Carrier (Hz)",               "default": 35795454, "max": 36795454, "min": 34795454, "step": 100, "scale": 0.0000001, "format": "%1.7f", "screen": "raster" },
+		{ "type": "float",   "name": "o_value",         "text": "NTSC Outgoing Phase Offset",            "default": 0,        "max": 100,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "float",   "name": "p_value",         "text": "NTSC Incoming Phase Pixel Clock Scale", "default": 100,      "max": 200,      "min": 0,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "float",   "name": "scan_time",       "text": "NTSC Scanline Duration (uSec)",         "default": 526,      "max": 1500,     "min": 1,        "step": 1,   "scale": 0.1,       "format": "%3.1f", "screen": "raster" },
+		{ "type": "float",   "name": "notch_width",     "text": "NTSC Color Notch Filter Width",         "default": 200,      "max": 400,      "min": 1,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
+		{ "type": "float",   "name": "y_freq_response", "text": "NTSC Y Signal Bandwidth (Hz)",          "default": 600,      "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
+		{ "type": "float",   "name": "i_freq_response", "text": "NTSC I Signal Bandwidth (Hz)",          "default": 120,      "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
+		{ "type": "float",   "name": "q_freq_response", "text": "NTSC Q Signal Bandwidth (Hz)",          "default": 60,       "max": 2100,     "min": 1,        "step": 10,  "scale": 0.01,      "format": "%2.2f", "screen": "raster" },
+		{ "type": "float",   "name": "jitter_offset",   "text": "NTSC Frame Jitter Offset",              "default": 0,        "max": 200,      "min": 1,        "step": 1,   "scale": 0.01,      "format": "%1.2f", "screen": "raster" },
 
 		{ "type": "color", "name": "red_ratios", "text": "Red Output from ",   "default": [ 100,   0,   0 ], "max": [ 200, 200, 200 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "raster" },
 		{ "type": "color", "name": "grn_ratios", "text": "Green Output from ", "default": [   0, 100,   0 ], "max": [ 200, 200, 200 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "raster" },
@@ -88,18 +89,18 @@
 
 		{ "type": "color", "name": "phosphor", "text": "Phosphor Persistence, ",  "default": [ 55, 55, 55 ], "max": [ 100, 100, 100 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01, "format": "%1.2f", "screen": "crt" },
 
-		{ "type": "float",   "name": "scanline_alpha",         "text": "Scanline Amount",            "default": 40,             "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
+		{ "type": "float",   "name": "scanline_alpha",         "text": "Scanline Amount",            "default": 6,             "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_scale",         "text": "Overall Scanline Scale",     "default": 100,            "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_bright_scale",  "text": "Scanline Brightness Scale",  "default": 200,            "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_bright_offset", "text": "Scanline Brightness Offset", "default": 0,              "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_jitter_amount", "text": "Scanline Jitter Amount",     "default": 0,              "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_height",        "text": "Individual Scanline Scale",  "default": 100,            "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "scanline_variation",     "text": "Scanline Variation",         "default": 100,            "max": 400,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
-		{ "type": "float",   "name": "shadow_alpha",           "text": "Shadow Mask Amount",         "default": 20,             "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
+		{ "type": "float",   "name": "shadow_alpha",           "text": "Shadow Mask Amount",         "default": 40,             "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "vec2",    "name": "shadow_uv_count",        "text": "Shadow Mask Pixel Count ",   "default": [  12,  12 ],   "max": [ 128, 128 ],      "min": [ 1, 1 ],    "step": 1, "scale": 1.0,     "format": "%3f",   "screen": "crt" },
 		{ "type": "vec2",    "name": "shadow_uv_size",         "text": "Shadow Mask UV Size ",       "default": [ 500, 500 ],   "max": [ 1000, 1000 ],    "min": [ 0, 0 ],    "step": 1, "scale": 0.001,   "format": "%1.4f", "screen": "crt" },
 		{ "type": "vec2",    "name": "shadow_uv_offset",       "text": "Shadow Mask UV Offset ",     "default": [   0,   0 ],   "max": [ 1000, 1000 ],    "min": [ 0, 0 ],    "step": 1, "scale": 0.001,   "format": "%1.4f", "screen": "crt" },
-		{ "type": "float",   "name": "humbar_alpha",           "text": "Hum Bar Amount",             "default": 0,              "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
+		{ "type": "float",   "name": "humbar_alpha",           "text": "Hum Bar Amount",             "default": 5,              "max": 100,               "min": 0,           "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "float",   "name": "humbar_hertz_rate",      "text": "Hum Bar Frequency",          "default": 100,            "max": 10000,             "min": 0,           "step": 1, "scale": 0.00001, "format": "%1.7f", "screen": "crt" },
 		{ "type": "color",   "name": "floor",                  "text": "Signal Floor, ",             "default": [  5,  5,  5 ], "max": [ 100, 100, 100 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
 		{ "type": "color",   "name": "power",                  "text": "Signal Exponent, ",          "default": [ 80, 80, 80 ], "max": [ 400, 400, 400 ], "min": [ 0, 0, 0 ], "step": 1, "scale": 0.01,    "format": "%1.2f", "screen": "crt" },
@@ -154,6 +155,11 @@
 		// oversample (optional): Double the internal size of this render target. Certain effects benefit from operating at a higher internal resolution. If you're not sure, leave it as false.
 		// values: true, false
 		// default: false
+		{
+			"name": "ntsc",
+			"mode": "guest",
+			"doublebuffer": true
+		},
 		{
 			"name": "guest",
 			"mode": "guest",
@@ -169,6 +175,15 @@
 	
 	// passes (required): The list of individual shaders to invoke, and any dynamic input parameters they need.
 	"passes": [
+		{
+			// See the pass after this one for a verbose explanation of each parameter.
+			"effect": "hlsl/blit",
+			"name": "NTSC Blit to bilinear-able target",
+			"input": [
+				{ "sampler": "s_tex", "texture": "screen" }
+			],
+			"output": "ntsc"
+		},
 		{
 			// effect (required): The name of the effect JSON file to load for this pass.
 			// value: Any valid JSON filename included in your shader chain, without the extension.
@@ -246,13 +261,13 @@
 				// 
 				// option (optional): The name of any MAME option, which will have its value fetched and used as the name of a PNG to load from the artwork directory.
 				// value: Any valid MAME INI option name.
-				{ "sampler": "s_tex", "texture": "screen" }
+				{ "sampler": "s_tex", "target": "ntsc" }
 			],
 			
 			// output (required): The target to use as the output for this pass. Can be one of the named targets in "targets", or "output" 
 			//                    or "previous" for one of two automatically-generated targets.
 			// value: Any valid ASCII string that names a target.
-			"output": "guest"
+			"output": "ntsc"
 		},
 		{	"effect": "hlsl/ntsc_decode",
 			"name": "NTSC Decode",
@@ -264,6 +279,7 @@
 				{ "uniform": "u_a_value",         "slider": "a_value" },
 				{ "uniform": "u_b_value",         "slider": "b_value" },
 				{ "uniform": "u_cc_value",        "slider": "cc_value" },
+				{ "uniform": "u_o_value",         "slider": "o_value" },
 				{ "uniform": "u_scan_time",       "slider": "scan_time" },
 				{ "uniform": "u_notch_width",     "slider": "notch_width" },
 				{ "uniform": "u_y_freq_response", "slider": "y_freq_response" },
@@ -274,7 +290,7 @@
 				{ "uniform": "u_jitter_amount",   "parameter": "jitter" }
 			],
 			"input": [
-				{ "sampler": "s_tex", "target": "guest" }
+				{ "sampler": "s_tex", "target": "ntsc" }
 			],
 			"output": "guest"
 		},
diff --git a/bgfx/chains/unfiltered.json b/bgfx/chains/unfiltered.json
index 19d74cd5eec..a644f9af370 100644
--- a/bgfx/chains/unfiltered.json
+++ b/bgfx/chains/unfiltered.json
@@ -7,14 +7,14 @@
 		}
 	],
 	"passes": [
-		{	"effect": "unfiltered\blit",
+		{	"effect": "unfiltered/blit",
 			"name": "Copy To Unstretched Texture",
 			"input": [
 				{ "sampler": "s_tex", "texture": "screen" }
 			],
 			"output": "temp"
 		},
-		{	"effect": "unfiltered\blit",
+		{	"effect": "unfiltered/blit",
 			"name": "Final Upscale",
 			"input": [
 				{ "sampler": "s_tex", "target": "temp" }
diff --git a/bgfx/shaders/dx11/fs_blit.bin b/bgfx/shaders/dx11/fs_blit.bin
index 98e6afc9871200c65105976444a7239ca1843106..cc7afc788ab49b8e05e07dcf3340eef02f77c256 100644
GIT binary patch
delta 107
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delta 107
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diff --git a/bgfx/shaders/dx11/fs_color.bin b/bgfx/shaders/dx11/fs_color.bin
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GIT binary patch
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delta 166
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diff --git a/bgfx/shaders/dx11/fs_deconverge.bin b/bgfx/shaders/dx11/fs_deconverge.bin
index 2c3047ecc38dce60b2e3de3172a63e9b8933b636..f8954f8ee4bf94b898ec7aa48fb929a43c107489 100644
GIT binary patch
delta 100
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delta 100
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diff --git a/bgfx/shaders/dx11/fs_defocus.bin b/bgfx/shaders/dx11/fs_defocus.bin
index 0453ced92453c3df9befa1be5071fa2610064c3a..f342c80f26b6b4e4b618c6bf3d4a31cd3c9da541 100644
GIT binary patch
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delta 215
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diff --git a/bgfx/shaders/dx11/fs_distortion.bin b/bgfx/shaders/dx11/fs_distortion.bin
index 4399b58c49ccafe3c5bebecc2c43da9c65754578..0ee1150c722e697f1aec07d6e2f02821c8a2e5a1 100644
GIT binary patch
delta 190
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diff --git a/bgfx/shaders/dx11/fs_gui.bin b/bgfx/shaders/dx11/fs_gui.bin
index 1ef0ea198277f40b3f9375dd26c6d35b0bb01618..54a4ed300e39e1370d7769737e865ea0a696022e 100644
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diff --git a/bgfx/shaders/dx11/fs_ntsc_decode.bin b/bgfx/shaders/dx11/fs_ntsc_decode.bin
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diff --git a/bgfx/shaders/dx11/fs_ntsc_encode.bin b/bgfx/shaders/dx11/fs_ntsc_encode.bin
index 329250b61a4bdf687a77c3d2550f3534d42539ce..a6700b833e142dd65cccf6c4700bd3947b9c6e26 100644
GIT binary patch
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diff --git a/bgfx/shaders/dx11/fs_phosphor.bin b/bgfx/shaders/dx11/fs_phosphor.bin
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GIT binary patch
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delta 198
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diff --git a/bgfx/shaders/dx11/fs_post.bin b/bgfx/shaders/dx11/fs_post.bin
index f7de4f9d3d6972a13ed8d8fbd2383417eb1f522b..6cb61306fe2d627499b0650c5a4aef1a907d7d3b 100644
GIT binary patch
delta 183
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delta 183
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diff --git a/bgfx/shaders/dx11/fs_prescale.bin b/bgfx/shaders/dx11/fs_prescale.bin
index a179c13e6ec4a50a27bd8f9fbaeceb40992bd97e..7e5fadd5805e533e2ef54f36167ca9e071c3f7cb 100644
GIT binary patch
delta 151
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delta 151
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diff --git a/bgfx/shaders/dx11/fs_screen.bin b/bgfx/shaders/dx11/fs_screen.bin
index 0e31de163b17aae6d05a2ae7725f3232e7941918..83828d145f718d5ebac82cb8444a4d5389ef18cf 100644
GIT binary patch
delta 142
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delta 142
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diff --git a/bgfx/shaders/dx11/vs_blit.bin b/bgfx/shaders/dx11/vs_blit.bin
index fc0022997bbbcc12e46a82fcfb99460447ad09cc..346eae89602ebf58ecc142f1bb78ff2a89fbea14 100644
GIT binary patch
delta 107
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delta 107
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diff --git a/bgfx/shaders/dx11/vs_color.bin b/bgfx/shaders/dx11/vs_color.bin
index 69d40d0c3b4e428f26e0be27c40b896dad08d584..5f21c9be7636ce00860654acd91572f9fbd4320b 100644
GIT binary patch
delta 107
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delta 107
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diff --git a/bgfx/shaders/dx11/vs_deconverge.bin b/bgfx/shaders/dx11/vs_deconverge.bin
index 62440de3aa77ab069baa3f57ea8e618abcbee9b4..59e0c530392a70152e212fea41c3a0fe79dd349b 100644
GIT binary patch
delta 122
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delta 122
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diff --git a/bgfx/shaders/dx11/vs_defocus.bin b/bgfx/shaders/dx11/vs_defocus.bin
index df493402ed8374921f33fdb45411db1115264af1..f75c794c2c2631dfd9f9a0ca3d269f96f19cf0aa 100644
GIT binary patch
delta 148
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delta 148
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diff --git a/bgfx/shaders/dx11/vs_distortion.bin b/bgfx/shaders/dx11/vs_distortion.bin
index 152756344fb9335cfd2186f3473d66c026bfdaa7..73b8e5190e1950bad731aa6275b8e3a79dd97028 100644
GIT binary patch
delta 107
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delta 107
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diff --git a/bgfx/shaders/dx11/vs_gui.bin b/bgfx/shaders/dx11/vs_gui.bin
index 683365b786ae09a48b79ac846cc74562fc235452..7b3876797375b4226f13de8993bb797cf053bda5 100644
GIT binary patch
delta 107
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delta 107
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diff --git a/bgfx/shaders/dx11/vs_ntsc_decode.bin b/bgfx/shaders/dx11/vs_ntsc_decode.bin
index b1b720b8c486a09206a08f18ac101ef4bc0502d4..29cc7d9290a378e3c8642cc0d67031cad0663870 100644
GIT binary patch
delta 115
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delta 115
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diff --git a/bgfx/shaders/dx11/vs_ntsc_encode.bin b/bgfx/shaders/dx11/vs_ntsc_encode.bin
index 2626aceeb7aa4d3a455452dbe4e25be8b45f7c3b..bbcbf4ede893755ac58c8cc13595d8e0b70104a1 100644
GIT binary patch
delta 115
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delta 115
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diff --git a/bgfx/shaders/dx11/vs_phosphor.bin b/bgfx/shaders/dx11/vs_phosphor.bin
index 8cd89f18b9949213f8020a0adebded5e46be6930..07edbef7bad21f03ef7db67232e3bc7409f92236 100644
GIT binary patch
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delta 148
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diff --git a/bgfx/shaders/dx11/vs_post.bin b/bgfx/shaders/dx11/vs_post.bin
index a8827bacda26a3ce03628e4c4a26bee03c09e36d..5362d6c50ebfaa73642ed24039def296e1417830 100644
GIT binary patch
delta 123
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delta 123
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diff --git a/bgfx/shaders/dx11/vs_prescale.bin b/bgfx/shaders/dx11/vs_prescale.bin
index 4daaf3d75323879b759371d5d84efea6a873739b..dee008391ae82c9436dddeacf8fd1277a227074a 100644
GIT binary patch
delta 148
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delta 148
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diff --git a/bgfx/shaders/dx11/vs_screen.bin b/bgfx/shaders/dx11/vs_screen.bin
index c3c17a3621c943bd580677aee68bc86eb6880434..9d5426f76be6c4d274c974bd2e897f28ebc305c0 100644
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delta 107
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diff --git a/bgfx/shaders/dx9/fs_ntsc_decode.bin b/bgfx/shaders/dx9/fs_ntsc_decode.bin
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GIT binary patch
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diff --git a/bgfx/shaders/gles/fs_ntsc_decode.bin b/bgfx/shaders/gles/fs_ntsc_decode.bin
index 42be06119d1b3a9a61d5a061f7169950c61bc04b..cb4ddcdb7b40ee11a23dbd2b2b351bfc1029da4d 100644
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diff --git a/bgfx/shaders/glsl/fs_ntsc_decode.bin b/bgfx/shaders/glsl/fs_ntsc_decode.bin
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diff --git a/bgfx/shaders/metal/fs_ntsc_decode.bin b/bgfx/shaders/metal/fs_ntsc_decode.bin
index a3ad6554fe64003b9f8137bb3e5f15b23ddf73af..5450ff39a7152ba3832a11c751128b0f6ed05e3d 100644
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diff --git a/hlsl/ntsc.fx b/hlsl/ntsc.fx
index 94460ea6be0..89cf5880d57 100644
--- a/hlsl/ntsc.fx
+++ b/hlsl/ntsc.fx
@@ -49,7 +49,6 @@ struct PS_INPUT
 
 uniform float2 ScreenDims;
 uniform float2 SourceDims;
-uniform float2 SourceRect;
 
 VS_OUTPUT vs_main(VS_INPUT Input)
 {
@@ -108,10 +107,7 @@ static const int HalfSampleCount = SampleCount / 2;
 
 float4 GetCompositeYIQ(float2 TexCoord)
 {
-	float2 SourceTexelDims = 1.0f / SourceDims;
-	float2 SourceRes = SourceDims * SourceRect;
-
-	float2 PValueSourceTexel = float2(PValue, 0.0f) * SourceTexelDims;
+	float2 PValueSourceTexel = float2(PValue / SourceDims.x, 0.0f);
 
 	float2 C0 = TexCoord + PValueSourceTexel * OffsetX.x;
 	float2 C1 = TexCoord + PValueSourceTexel * OffsetX.y;
@@ -124,8 +120,8 @@ float4 GetCompositeYIQ(float2 TexCoord)
 	float4 Texel2 = tex2D(DiffuseSampler, C2);
 	float4 Texel3 = tex2D(DiffuseSampler, C3);
 
-	float4 HPosition = Cx / SourceRect.x;
-	float4 VPosition = Cy / SourceRect.y;
+	float4 HPosition = Cx;
+	float4 VPosition = Cy;
 
 	float4 Y = float4(dot(Texel0, YDot), dot(Texel1, YDot), dot(Texel2, YDot), dot(Texel3, YDot));
 	float4 I = float4(dot(Texel0, IDot), dot(Texel1, IDot), dot(Texel2, IDot), dot(Texel3, IDot));
@@ -135,7 +131,7 @@ float4 GetCompositeYIQ(float2 TexCoord)
 	float WoPI = W / PI;
 
 	float HOffset = (BValue + SignalOffset) / WoPI;
-	float VScale = (AValue * SourceRes.y) / WoPI;
+	float VScale = (AValue * SourceDims.y) / WoPI;
 
 	float4 T = HPosition + HOffset + VPosition * VScale;
 	float4 TW = T * W;
@@ -149,10 +145,7 @@ float4 ps_main(PS_INPUT Input) : COLOR
 {
 	float4 BaseTexel = tex2D(DiffuseSampler, Input.TexCoord);
 
-	float2 SourceTexelDims = 1.0f / SourceDims;
-	float2 SourceRes = SourceDims * SourceRect;
-
-	float TimePerSample = ScanTime / (SourceRes.x * 4.0f);
+	float TimePerSample = ScanTime / (SourceDims.x * 4.0f);
 
 	float Fc_y1 = (CCValue - NotchHalfWidth) * TimePerSample;
 	float Fc_y2 = (CCValue + NotchHalfWidth) * TimePerSample;
@@ -175,23 +168,22 @@ float4 ps_main(PS_INPUT Input) : COLOR
 	float WoPI = W / PI;
 
 	float HOffset = (BValue + SignalOffset) / WoPI;
-	float VScale = (AValue * SourceRes.y) / WoPI;
+	float VScale = (AValue * SourceDims.y) / WoPI;
 
 	float4 YAccum = 0.0f;
 	float4 IAccum = 0.0f;
 	float4 QAccum = 0.0f;
 
 	float4 Cy = Input.TexCoord.y;
-	float4 VPosition = Cy / SourceRect.y;
+	float4 VPosition = Cy;
 
 	for (float i = 0; i < SampleCount; i += 4.0f)
 	{
 		float n = i - HalfSampleCount;
-
 		float4 n4 = n + NotchOffset;
 
-		float4 Cx = Input.TexCoord.x + SourceTexelDims.x * (n4 * 0.25f);
-		float4 HPosition = Cx / SourceRect.x;
+		float4 Cx = Input.TexCoord.x + (n4 * 0.25f) / SourceDims.x;
+		float4 HPosition = Cx;
 
 		float4 C = GetCompositeYIQ(float2(Cx.r, Cy.r));
 
diff --git a/src/osd/modules/render/bgfx/shaders/fs_ntsc_decode.sc b/src/osd/modules/render/bgfx/shaders/fs_ntsc_decode.sc
index cc8f633bf5b..dda326cd692 100644
--- a/src/osd/modules/render/bgfx/shaders/fs_ntsc_decode.sc
+++ b/src/osd/modules/render/bgfx/shaders/fs_ntsc_decode.sc
@@ -43,8 +43,15 @@ void main()
 	vec4 one = vec4(1.0, 1.0, 1.0, 1.0);
 	vec4 two = vec4(2.0, 2.0, 2.0, 2.0);
 	vec4 four = vec4(4.0, 4.0, 4.0, 4.0);
+	int iSampleCount = 64;
+	vec4 SampleCount = vec4(64.0, 64.0, 64.0, 64.0);
+	vec4 HalfSampleCount = SampleCount / two;
+
 	vec4 TimePerSample = u_scan_time.xxxx / (u_source_dims.xxxx * four);
 
+	vec4 PI = vec4(3.1415927, 3.1415927, 3.1415927, 3.1415927);
+	vec4 PI2 = vec4(6.2831854, 6.2831854, 6.2831854, 6.2831854);
+	
 	vec4 Fc_y1 = (u_cc_value.xxxx - u_notch_width.xxxx * onehalf) * TimePerSample;
 	vec4 Fc_y2 = (u_cc_value.xxxx + u_notch_width.xxxx * onehalf) * TimePerSample;
 	vec4 Fc_y3 = u_y_freq_response.xxxx * TimePerSample;
@@ -52,9 +59,15 @@ void main()
 	vec4 Fc_q = u_q_freq_response.xxxx * TimePerSample;
 	vec4 Fc_i_2 = Fc_i * two;
 	vec4 Fc_q_2 = Fc_q * two;
-
-	const vec4 PI = vec4(3.1415927, 3.1415927, 3.1415927, 3.1415927);
-	const vec4 PI2 = vec4(6.2831854, 6.2831854, 6.2831854, 6.2831854);
+	vec4 Fc_y1_2 = Fc_y1 * two;
+	vec4 Fc_y2_2 = Fc_y2 * two;
+	vec4 Fc_y3_2 = Fc_y3 * two;
+	vec4 Fc_i_pi2 = Fc_i * PI2;
+	vec4 Fc_q_pi2 = Fc_q * PI2;
+	vec4 Fc_y1_pi2 = Fc_y1 * PI2;
+	vec4 Fc_y2_pi2 = Fc_y2 * PI2;
+	vec4 Fc_y3_pi2 = Fc_y3 * PI2;
+	vec4 PI2Length = PI2 / SampleCount;
 	
 	vec4 W = PI2 * u_cc_value.xxxx * u_scan_time.xxxx;
 	vec4 WoPI = W / PI;
@@ -66,39 +79,35 @@ void main()
 	vec4 IAccum = zero;
 	vec4 QAccum = zero;
 
-	for (int index = 0; index < 64; index = index + 4)
+	vec4 Cy = v_texcoord0.yyyy;
+	vec4 VPosition = Cy;
+
+	for (int i = 0; i < 64; i = i + 4)
 	{
-		float n = float(index);
-		vec4 n4 = vec4(n, n, n, n) + vec4(0.0, 1.0, 2.0, 3.0);
+		vec4 n = vec4(i, i, i, i) - vec4(32.0, 32.0, 32.0, 32.0);
+		vec4 n4 = n + vec4(0.0, 1.0, 2.0, 3.0);
 
-		vec4 Cx = v_texcoord0.xxxx + u_source_dims.xxxx * (n4 * quarter);
+		vec4 Cx = v_texcoord0.xxxx + (n4 * quarter) / u_source_dims.xxxx;
+		vec4 HPosition = Cx;
 
-		// theory: What if we put white in the input of the NTSC decode shader?
-		vec4 C = texture2D(s_tex, vec2(Cx.x, v_texcoord0.y));
+		vec4 C = texture2D(s_tex, vec2(Cx.x, Cy.x));
 
-		vec4 T = Cx + HOffset + v_texcoord0.yyyy * VScale;
+		vec4 T = HPosition + HOffset + VPosition * VScale;
 		vec4 WT = W * T + u_o_value.xxxx;
 
-		vec4 SincKernel = vec4(0.54, 0.54, 0.54, 0.54) + vec4(0.46, 0.46, 0.46, 0.46) * cos((PI2 / 1.0) * n4);
+		vec4 SincKernel = vec4(0.54, 0.54, 0.54, 0.54) + vec4(0.46, 0.46, 0.46, 0.46) * cos(PI2Length * n4);
 
-		vec4 SincYIn1 = Fc_y1 * PI2 * n4;
-		vec4 SincYIn2 = Fc_y2 * PI2 * n4;
-		vec4 SincYIn3 = Fc_y3 * PI2 * n4;
-		vec4 SincIIn = Fc_i * PI2 * n4;
-		vec4 SincQIn = Fc_q * PI2 * n4;
-
-		SincYIn1 = SincYIn1 == zero ? one : SincYIn1;
-		SincYIn2 = SincYIn2 == zero ? one : SincYIn2;
-		SincYIn3 = SincYIn3 == zero ? one : SincYIn3;
-		
-		SincIIn = SincIIn == zero ? one : SincIIn;
-		SincQIn = SincQIn == zero ? one : SincQIn;
+		vec4 SincYIn1 = Fc_y1_pi2 * n4;
+		vec4 SincYIn2 = Fc_y2_pi2 * n4;
+		vec4 SincYIn3 = Fc_y3_pi2 * n4;
+		vec4 SincIIn = Fc_i_pi2 * n4;
+		vec4 SincQIn = Fc_q_pi2 * n4;
 
 		vec4 SincY1 = SincYIn1 != zero ? sin(SincYIn1) / SincYIn1 : one;
 		vec4 SincY2 = SincYIn2 != zero ? sin(SincYIn2) / SincYIn2 : one;
 		vec4 SincY3 = SincYIn3 != zero ? sin(SincYIn3) / SincYIn3 : one;
 
-		vec4 IdealY = (Fc_y1 * two * SincY1 - Fc_y2 * two * SincY2) + Fc_y3 * two * SincY3;
+		vec4 IdealY = (Fc_y1_2 * SincY1 - Fc_y2_2 * SincY2) + Fc_y3_2 * SincY3;
 		vec4 IdealI = Fc_i_2 * (SincIIn != zero ? sin(SincIIn) / SincIIn : one);
 		vec4 IdealQ = Fc_q_2 * (SincQIn != zero ? sin(SincQIn) / SincQIn : one);
 
diff --git a/src/osd/modules/render/bgfx/shaders/fs_ntsc_encode.sc b/src/osd/modules/render/bgfx/shaders/fs_ntsc_encode.sc
index 3aeac29d20d..21bbb39240e 100644
--- a/src/osd/modules/render/bgfx/shaders/fs_ntsc_encode.sc
+++ b/src/osd/modules/render/bgfx/shaders/fs_ntsc_encode.sc
@@ -65,7 +65,7 @@ void main()
 	float HOffset = (u_a_value.x + u_jitter_amount.x * u_jitter_offset.x) / WoPI;
 	float VScale =  (u_b_value.x * u_source_dims.y) / WoPI;
 
-	vec4 T = Cx + vec4(HOffset, HOffset, HOffset, HOffset) + Cy * vec4(VScale, VScale, VScale, VScale);
+	vec4 T = HPosition + vec4(HOffset, HOffset, HOffset, HOffset) + VPosition * vec4(VScale, VScale, VScale, VScale);
 	vec4 TW = T * W;
 
 	gl_FragColor = Y + I * cos(TW) + Q * sin(TW);