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authorDavid Walter Seikel2012-01-04 18:41:13 +1000
committerDavid Walter Seikel2012-01-04 18:41:13 +1000
commitdd7595a3475407a7fa96a97393bae8c5220e8762 (patch)
treee341e911d7eb911a51684a7412ef7f7c7605d28e /libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd
parentAdd the skeleton. (diff)
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Add the base Enlightenment Foundation Libraries - eina, eet, evas, ecore, embryo, and edje.
Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
Diffstat (limited to 'libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd')
-rw-r--r--libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd30
1 files changed, 30 insertions, 0 deletions
diff --git a/libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd b/libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd
new file mode 100644
index 0000000..98dd91b
--- /dev/null
+++ b/libraries/evas/src/modules/engines/gl_common/shader/yuy2_frag.shd
@@ -0,0 +1,30 @@
1#ifdef GL_ES
2#ifdef GL_FRAGMENT_PRECISION_HIGH
3precision highp float;
4#else
5precision mediump float;
6#endif
7#endif
8uniform sampler2D tex, texuv;
9varying vec4 col;
10varying vec2 tex_c, tex_cuv;
11void main()
12{
13 float y,u,v,vmu,r,g,b;
14 y=texture2D(tex,tex_c).r;
15 u=texture2D(texuv,tex_cuv).g;
16 v=texture2D(texuv,tex_cuv).a;
17
18 u=u-0.5;
19 v=v-0.5;
20 vmu=v*0.813+u*0.391;
21 u=u*2.018;
22 v=v*1.596;
23
24 r=y+v;
25 g=y-vmu;
26 b=y+u;
27
28 gl_FragColor=vec4(r,g,b,1.0) * col;
29}
30