From 344d267fd25066ecc6c952b64b144b45951026f8 Mon Sep 17 00:00:00 2001 From: Thomas Harte Date: Thu, 6 Jul 2017 21:38:33 -0400 Subject: [PATCH] Introduced sharper chrominance for genuinely black-and-white signals. --- Outputs/CRT/Internals/Shaders/IntermediateShader.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Outputs/CRT/Internals/Shaders/IntermediateShader.cpp b/Outputs/CRT/Internals/Shaders/IntermediateShader.cpp index 239e948ff..4103230a5 100644 --- a/Outputs/CRT/Internals/Shaders/IntermediateShader.cpp +++ b/Outputs/CRT/Internals/Shaders/IntermediateShader.cpp @@ -202,7 +202,7 @@ std::unique_ptr IntermediateShader::make_chroma_luma_separat "texture(texID, inputPositionsVarying[5]).r," "texture(texID, inputPositionsVarying[6]).r" ");" - "float luminance = dot(samples, vec4(0.25));" + "float luminance = mix(dot(samples, vec4(0.25)), dot(samples, vec4(0.0, 0.16, 0.66, 0.16)), step(phaseAndAmplitudeVarying.z, 0.0));" // define chroma to be whatever was here, minus luma "float chrominance = 0.5 * (samples.z - luminance) * phaseAndAmplitudeVarying.z;"