From dd7595a3475407a7fa96a97393bae8c5220e8762 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Wed, 4 Jan 2012 18:41:13 +1000
Subject: 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.
---
 .../modules/engines/gl_common/shader/nv12_frag.h   | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 libraries/evas/src/modules/engines/gl_common/shader/nv12_frag.h

(limited to 'libraries/evas/src/modules/engines/gl_common/shader/nv12_frag.h')

diff --git a/libraries/evas/src/modules/engines/gl_common/shader/nv12_frag.h b/libraries/evas/src/modules/engines/gl_common/shader/nv12_frag.h
new file mode 100644
index 0000000..fec4b23
--- /dev/null
+++ b/libraries/evas/src/modules/engines/gl_common/shader/nv12_frag.h
@@ -0,0 +1,31 @@
+"#ifdef GL_ES\n"
+"#ifdef GL_FRAGMENT_PRECISION_HIGH\n"
+"precision highp float;\n"
+"#else\n"
+"precision mediump float;\n"
+"#endif\n"
+"#endif\n"
+"uniform sampler2D tex, texuv;\n"
+"varying vec4 col;\n"
+"varying vec2 tex_c, tex_cuv;\n"
+"void main()\n"
+"{\n"
+"  float y,u,v,vmu,r,g,b;\n"
+"  y=texture2D(tex,tex_c).g;\n"
+"  u=texture2D(texuv,tex_cuv).g;\n"
+"  v=texture2D(texuv,tex_cuv).a;\n"
+"\n"
+"  u=u-0.5;\n"
+"  v=v-0.5;\n"
+"  vmu=v*0.813+u*0.391;\n"
+"  u=u*2.018;\n"
+"  v=v*1.596;\n"
+"  y=(y-0.062)*1.164;\n"
+"\n"
+"  r=y+v;\n"
+"  g=y-vmu;\n"
+"  b=y+u;\n"
+"\n"
+"  gl_FragColor=vec4(r,g,b,1.0) * col;\n"
+"}\n"
+"\n"
-- 
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