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075edd84
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2013-07-08T13:30:19
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Refactor location tracking.
R=kbr@chromium.org
Review URL: https://codereview.appspot.com/9078046
git-svn-id: https://angleproject.googlecode.com/svn/trunk@2202 736b8ea6-26fd-11df-bfd4-992fa37f6226
TRAC #23333
Authored-by: alokp@chromium.org
Signed-off-by: Shannon Woods
Signed-off-by Nicolas Capens
Merged-by: Jamie Madill
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77222c97
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2012-06-04T21:06:05
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Apply SH_TIMING_RESTRICTIONS to all samplers.
Issue: 332
Review URL: https://codereview.appspot.com/6273044/
git-svn-id: https://angleproject.googlecode.com/svn/trunk@1131 736b8ea6-26fd-11df-bfd4-992fa37f6226
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66ebd014
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2012-05-30T22:18:11
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Add the SH_TIMING_RESTRICTIONS compile flag and dependency graph implementation.
Description of the algorithm:
http://code.google.com/p/mvujovic/wiki/ShaderControlFlowAnalysis
This flag is one potential solution to timing attacks on textures containing cross-domain content
or user agent data.
This kind of analysis could be useful for both WebGL and CSS Shaders.
The SH_TIMING_RESTRICTIONS flag will reject a shader if it uses texture dependent data to affect
control flow.
Other ways of affecting shader timing such as using NaNs in basic arithmetic operations or using
built-in functions (e.g. atan) with different inputs are still under investigation.
Issue=329
Review URL: http://codereview.appspot.com/6195062/
git-svn-id: https://angleproject.googlecode.com/svn/trunk@1101 736b8ea6-26fd-11df-bfd4-992fa37f6226
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