mirror of
https://github.com/mpv-player/mpv
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b91ba5d648
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19023 b3059339-0415-0410-9bf9-f77b7e298cf2
30 lines
1.1 KiB
GLSL
30 lines
1.1 KiB
GLSL
!!ARBfp1.0
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# Custom YUV->RGB conversion program for MPlayer's -vo gl.
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# Copyleft (C) Reimar Döffinger, 2005
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# Licensed under the GNU GPL v2
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# Usage: mplayer -vo gl:yuv=4:customprog=emboss.fp
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# This is an emboss effect.
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PARAM sizes = program.env[0];
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TEMP res, yuv, pos, tmp;
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TEX yuv.r, fragment.texcoord[0], texture[0], 2D;
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MAD pos, sizes.xyxy, {-0.5, 0, 0, -0.8660}, fragment.texcoord[0].xyxy;
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TEX tmp.r, pos.xyxy, texture[0], 2D;
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MAD yuv.r, yuv.rrrr, {2}, -tmp.rrrr;
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TEX tmp.r, pos.zwzw, texture[0], 2D;
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SUB yuv.r, yuv.rrrr, tmp.rrrr;
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TEX yuv.g, fragment.texcoord[1], texture[1], 2D;
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TEX yuv.b, fragment.texcoord[2], texture[2], 2D;
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# now do the normal YUV -> RGB conversion but with 0.5 offset
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MAD res, yuv.rrrr, {1.164, 1.164, 1.164, 0}, {-0.37416, 1.03133, -0.58599, 0.125};
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MAD res.rgb, yuv.gggg, {0, -0.391, 2.018, 0}, res;
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MAD res.rgb, yuv.bbbb, {1.596, -0.813, 0, 0}, res;
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# do gamma texture lookup
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TEX res.r, res.raaa, texture[3], 2D;
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ADD res.a, res.a, 0.25;
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TEX res.g, res.gaaa, texture[3], 2D;
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ADD res.a, res.a, 0.25;
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TEX res.b, res.baaa, texture[3], 2D;
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# move res into result, this allows easily commenting out some parts.
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MOV result.color, res;
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END
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