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Red Hat Bugzilla – Attachment 499028 Details for
Bug 680415
[NV96] nouveau gets stuck in nouveau_exa_upload_to_screen [@ xf86PostMotionEventM]
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Propose for close Bug 680415
dim-window.glsl (text/plain), 905 bytes, created by
marian
on 2011-05-15 15:26:43 UTC
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Description:
Propose for close Bug 680415
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Creator:
marian
Created:
2011-05-15 15:26:43 UTC
Size:
905 bytes
patch
obsolete
>#version 110 >uniform sampler2D sampler0; >uniform float fraction; >uniform float height; >const float c = -0.2; >const float border_max_height = 60.0; > >mat3 contrast = mat3 (1.0 + c, 0.0, 0.0, > 0.0, 1.0 + c, 0.0, > 0.0, 0.0, 1.0 + c, > 0.0, 0.0, 0.0); >vec3 off = vec3(0.633, 0.633, 0.633); >void main() >{ > vec3 color = texture2D(sampler0, gl_TexCoord[0].st); > float y = height * gl_TexCoord[0][1]; > > // To reduce contrast, blend with a mid gray > gl_FragColor = color * contrast - off * c; > > // We only fully dim at a distance of BORDER_MAX_HEIGHT from the edge and > // when the fraction is 1.0. For other locations and fractions we linearly > // interpolate back to the original undimmed color. > gl_FragColor = color + (gl_FragColor - color) * min(y / border_max_height, 1.0); > gl_FragColor = color + (gl_FragColor - color) * fraction; >}
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