diff options
Diffstat (limited to 'TOOLS/edgedetect.fp')
| -rw-r--r-- | TOOLS/edgedetect.fp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/TOOLS/edgedetect.fp b/TOOLS/edgedetect.fp new file mode 100644 index 0000000000..814b28bc78 --- /dev/null +++ b/TOOLS/edgedetect.fp @@ -0,0 +1,41 @@ +!!ARBfp1.0 +# Custom YUV->RGB conversion program for MPlayer's -vo gl. +# Copyleft (C) Reimar Döffinger, 2005 +# Licensed under the GNU GPL v2 +# Usage: mplayer -vo gl:yuv=4:customprog=edgedetect.fp +# This is some custom edge-detect like effect. +# Try adjusting the gamma! +# program.env[0].xy contains the size of one source texel +PARAM sizes = program.env[0]; +TEMP res, y, u, v, pos, tmp; +TEX y, fragment.texcoord[0], texture[0], 2D; +MUL y, y, {4, 4, 4, 0}; +ADD pos, fragment.texcoord[0], sizes.xwww; # texel to the right +TEX tmp, pos, texture[0], 2D; +SUB y, y, tmp; +SUB pos, fragment.texcoord[0], sizes.xwww; # texel to the left +TEX tmp, pos, texture[0], 2D; +SUB y, y, tmp; +ADD pos, fragment.texcoord[0], sizes.wyww; # texel... umm.. above? +TEX tmp, pos, texture[0], 2D; +SUB y, y, tmp; +SUB pos, fragment.texcoord[0], sizes.wyww; # texel... umm.. below? +TEX tmp, pos, texture[0], 2D; +SUB y, y, tmp; +MAD res, y, {2, 2, 2, 0}, {0.5, 0.5, 0.5, 0}; +# now do the normal YUV -> RGB conversion +MAD res, res, {1.164, 1.164, 1.164, 0}, {-0.87416, 0.53133, -1.08599, 0}; +TEX u, fragment.texcoord[1], texture[1], 2D; +MAD res, u, {0, -0.391, 2.018, 0}, res; +TEX v, fragment.texcoord[2], texture[2], 2D; +MAD res, v, {1.596, -0.813, 0, 0}, res; +# do gamma texture lookup +ADD res.a, res.a, 0.125; +TEX res.r, res.raaa, texture[3], 2D; +ADD res.a, res.a, 0.25; +TEX res.g, res.gaaa, texture[3], 2D; +ADD res.a, res.a, 0.25; +TEX res.b, res.baaa, texture[3], 2D; +# move res into result, this allows easily commenting out some parts. +ADD result.color, res, {0, 0, 0, 0}; +END |