| 1 | /* $Id: cconvUYVY.c 55401 2015-04-23 10:03:17Z vboxsync $ */
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| 2 | #extension GL_ARB_texture_rectangle : enable
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| 3 | uniform sampler2DRect uSrcTex;
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| 4 | void vboxCConvApplyAYUV(vec4 color);
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| 5 | void vboxCConv()
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| 6 | {
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| 7 | vec2 srcCoord = vec2(gl_TexCoord[0]);
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| 8 | float x = srcCoord.x;
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| 9 | int pix = int(x);
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| 10 | vec4 srcClr = texture2DRect(uSrcTex, vec2(float(pix), srcCoord.y));
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| 11 | float u = srcClr.b;
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| 12 | float v = srcClr.r;
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| 13 | float part = x - float(pix);
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| 14 | float y;
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| 15 | if(part < 0.5)
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| 16 | {
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| 17 | y = srcClr.g;
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| 18 | }
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| 19 | else
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| 20 | {
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| 21 | y = srcClr.a;
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| 22 | }
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| 23 | vboxCConvApplyAYUV(vec4(u, y, 0.0, v));
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| 24 | }
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