6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-01-11 08:30:55 +00:00
Code Issues Projects Releases Wiki Activity

This, at least, is an attempt to decode chrominance, as yet unfiltered, and not commuted to RGB (and possibly packed incorrectly).

Browse Source
This commit is contained in:
Thomas Harte 2016-04-21 23:01:54 -04:00
parent cc7bf97a9c
commit 59c07f7ddd
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Outputs/CRT/Internals/CRTOpenGL.cpp
View File

@ -506,7 +506,7 @@ char *OpenGLOutputBuilder::get_y_filter_fragment_shader()
"in vec2 inputPositionsVarying[11];"
"uniform vec4 weights[3];"
"out vec4 fragColour;"
"out vec3 fragColour;"
"uniform sampler2D texID;"
@ -532,13 +532,15 @@ char *OpenGLOutputBuilder::get_y_filter_fragment_shader()
"0.0"
")"
");"
"fragColour = vec4("
"vec2 quadrature = vec2(sin(phaseVarying), cos(phaseVarying)) * 0.5;"
"float luminance = "
"dot(vec3("
"dot(samples[0], weights[0]),"
"dot(samples[1], weights[1]),"
"dot(samples[2], weights[2])"
"), vec3(1.0)));"
// "fragColour = vec4(dot(samples[0], weights[0]));"
"), vec3(1.0));"
"float chrominance = (samples[1].y - luminance) / amplitudeVarying;"
"fragColour = vec3(luminance, vec2(0.5) + chrominance * quadrature );"
"}");
}