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Last change
on this file since 24448 was 23564, checked in by vboxsync, 15 years ago |
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video hw accel: fix scaling issue
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Property svn:eol-style
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native
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Property svn:keywords
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Author Date Id Revision
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File size:
530 bytes
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| 1 | #extension GL_ARB_texture_rectangle : enable
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| 2 | uniform sampler2DRect uSrcTex;
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| 3 | void vboxCConvApplyAYUV(vec4 color);
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| 4 | void vboxCConv()
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| 5 | {
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| 6 | vec2 srcCoord = vec2(gl_TexCoord[0]);
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| 7 | float x = srcCoord.x;
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| 8 | int pix = int(x);
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| 9 | vec4 srcClr = texture2DRect(uSrcTex, vec2(float(pix), srcCoord.y));
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| 10 | float u = srcClr.b;
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| 11 | float v = srcClr.r;
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| 12 | float part = x - float(pix);
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| 13 | float y;
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| 14 | if(part < 0.5)
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| 15 | {
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| 16 | y = srcClr.g;
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| 17 | }
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| 18 | else
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| 19 | {
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| 20 | y = srcClr.a;
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| 21 | }
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| 22 | vboxCConvApplyAYUV(vec4(u, y, 0.0, v));
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| 23 | }
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