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Last change
on this file since 35273 was 22883, checked in by vboxsync, 15 years ago |
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fideo hw accel: fix for ATI + small optimizations
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Author Date Id Revision
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File size:
371 bytes
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| 1 | #extension GL_ARB_texture_rectangle : enable
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| 2 | uniform sampler2DRect uDstTex;
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| 3 | uniform vec4 uDstClr;
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| 4 | void vboxCKeyDst(void)
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| 5 | {
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| 6 | vec4 dstClr = texture2DRect(uDstTex, vec2(gl_TexCoord[1]));
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| 7 | vec3 difClr = dstClr.rgb - uDstClr.rgb;
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| 8 | if(any(greaterThan(difClr, vec3(0.01, 0.01, 0.01)))
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| 9 | || any(lessThan(difClr, vec3(-0.01, -0.01, -0.01))))
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| 10 | discard;
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| 11 | }
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