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Colour phase is multiplied by 255, not 256.

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Thomas Harte 2017-01-08 17:21:26 -05:00
parent 28909e33ca
commit 9521718120
1 changed files with 1 additions and 1 deletions
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Outputs/CRT/Internals/Shaders/IntermediateShader.cpp
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@ -93,7 +93,7 @@ std::unique_ptr<IntermediateShader> IntermediateShader::make_shader(const char *
// setup phaseAndAmplitudeVarying.x as colour burst subcarrier phase, in radians;
// setup phaseAndAmplitudeVarying.x as colour burst amplitude
"phaseAndAmplitudeVarying.x = (((extendedOutputPosition.x - phaseTimeAndAmplitude.y) / 4.0) + (phaseTimeAndAmplitude.x / 256.0)) * 2.0 * 3.141592654;"
"phaseAndAmplitudeVarying.x = (((extendedOutputPosition.x - phaseTimeAndAmplitude.y) / 4.0) + (phaseTimeAndAmplitude.x / 255.0)) * 2.0 * 3.141592654;"
"phaseAndAmplitudeVarying.y = 0.33;" // TODO: reinstate connection with (phaseTimeAndAmplitude.y/256.0)
// determine output position by scaling the output position according to the texture size