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"#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, texu, texv;\n"
"varying vec2 tex_c, tex_c2, tex_c3;\n"
"void main()\n"
"{\n"
" const mat4 yuv2rgb = mat4( 1.16400, 1.16400, 1.16400, 0.00000,\n"
" 0.00000, -0.34410, 1.77200, 0.00000,\n"
" 1.40200, -0.71410, 0.00000, 0.00000,\n"
" -0.77380, 0.45630, -0.95880, 1.00000);\n"
" gl_FragColor = yuv2rgb * vec4(texture2D(tex, tex_c.xy).r,\n"
" texture2D(texu, tex_c2.xy).r,\n"
" texture2D(texv, tex_c3.xy).r, 1.0);\n"
"}\n"
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