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3d0d9a48
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2015-06-01T12:16:36
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Clean up TIntermTraverser usage
Remove default parameters from TIntermTraverser.
Also clean up a few dead function declarations in traversers.
TEST=angle_unittests, angle_end2end_tests
BUG=angleproject:1037
Change-Id: I8d126c6c2d5b53e8b14e23e3d102f204a59323b3
Reviewed-on: https://chromium-review.googlesource.com/275184
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
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d4f303ee
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2015-05-20T17:09:06
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Refactoring: Make creating temporary symbols in AST traversal reusable
Temporary symbols will also be needed to store temporary arrays when complex
array expressions are unfolded.
Also clear tree update related structures at the end of updateTree(), so that
the traverser can be reused for several rounds of replacement more easily, and
remove unnecessary InVisit step from UnfoldShortCircuitToIf.
BUG=angleproject:971
TEST=angle_end2end_tests, WebGL conformance tests
Change-Id: Iecdd3008d43f01b02fe344ccde8614f70e6c0c65
Reviewed-on: https://chromium-review.googlesource.com/272121
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
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56eea884
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2015-05-18T12:41:03
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Refactoring: make tracking parent block position in AST traversal reusable
Add a helper function to make it easier for traverser classes to insert
statements, and use it in UnfoldShortCircuitToIf.
BUG=angleproject:971
TEST=angle_end2end_tests, WebGL conformance tests
Change-Id: I141bdd8abf4b01988581e6cb27c2320bf38370ac
Reviewed-on: https://chromium-review.googlesource.com/272140
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
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0ea959f4
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2015-05-13T14:51:59
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Unfold sequence operator when operations inside need unfolding
Unfolding the sequence operator ensures correct evaluation order when parts of
the expression need to get hoisted out of the expression to the surrounding
scope.
BUG=angleproject:1001
TEST=WebGL conformance tests
Change-Id: Ifd3093c9fb63d3e9842ebb4b9531b2f46875ad8a
Reviewed-on: https://chromium-review.googlesource.com/270660
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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a6f22096
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2015-05-08T18:31:10
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Make UnfoldShortCircuit to change AST instead of writing output
This is needed to make way for further AST transformations to handle array
expressions that need to work correctly together with unfolding short-
circuiting operators. This also improves the maintainability of HLSL output
by isolating the unfolding into a separate compilation step.
The new version of UnfoldShortCircuit traverser will traverse the tree until
an expression that needs to be unfolded is encountered. It then unfolds it and
gets reset. The traverser will be run repeatedly until no more operations to
unfold are found. This helps with keeping the traverser's design relatively
simple.
All declarations are separated to single declarations before short-circuit
unfolding is run. Previously OutputHLSL already output every declaration
separately.
BUG=angleproject:960
TEST=WebGL conformance tests, angle_unittests, angle_end2end_tests
Change-Id: Id769be396adbd4c0223e418980dc464dd855f019
Reviewed-on: https://chromium-review.googlesource.com/270460
Tested-by: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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