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cccf2b00
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2017-07-05T14:50:54
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Reorganize AST traversal utility code
Define TIntermTraverser and TIntermLValueTrackingTraverser in a
separate header file. hash() function is moved out from
TIntermTraverser as it is not related to the core functionality
of traversing and transforming ASTs.
Also reorganize some traversers to follow common conventions:
- Intermediate output is now in OutputTree.h/.cpp
- Max tree depth check is now in IsASTDepthBelowLimit.h/.cpp
BUG=angleproject:1490
TEST=angle_unittests
Change-Id: Id4968aa9d4e24d0c5bac90dc147fc9f310de0184
Reviewed-on: https://chromium-review.googlesource.com/559531
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
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f2209f74
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2017-04-01T12:45:55
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Clean up function name mangling code
Fix a few incorrect comments about mangled names, and refactor
generating mangled names from function call nodes.
BUG=angleproject:1490
TEST=angle_unittests
Change-Id: I3ee68c4c0982f1a9c28d8e87aafa19f19559bbf8
Reviewed-on: https://chromium-review.googlesource.com/465826
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
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ec9232bd
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2017-03-27T17:01:37
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Store unmangled function names in the AST
This makes the code simpler across the board. There are a few cases
where mangled names still need to be generated in AST traversers, but
they are outweighed by much leaner output code for all function nodes.
BUG=angleproject:1490
TEST=angle_unittests, angle_end2end_tests
Change-Id: Id3638e0fca6019bbbe6fc5e1b7763870591da2d8
Reviewed-on: https://chromium-review.googlesource.com/461077
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
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1ecd14b8
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2017-01-26T13:54:15
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Fold user-definedness of function nodes into TOperator
Whether a function call is user-defined is not orthogonal to TOperator
associated with the call node - other ops than function calls can't be
user-defined. Because of this it makes sense to store the user-
definedness by having different TOperator enums for different types of
calls.
This patch also tags internal helper functions that have a raw
definition outside the AST with a separate TOperator enum. This way
they can be handled with logic that is easy to understand. Before this,
function calls like this left the user-defined bit unset, despite not
really being built-ins either. The EmulatePrecision traverser uses
this. This is also something that could be used to clean up built-in
emulation in the future.
BUG=angleproject:1490
TEST=angle_unittests
Change-Id: I597fcd9789d0cc22b689ef3ce5a0cc3f621d4859
Reviewed-on: https://chromium-review.googlesource.com/433443
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
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01d0ad08
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2017-01-22T14:51:23
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Add symbol table function to get TFunction for a built-in op
Built-in function parameter qualifiers are stored in the symbol table.
Some AST traversers need the qualifier information for ops to
determine whether a node is being written to. Add an utility function
that maps a TIntermAggregate node to a symbol table entry, so that the
traversers can get to this information in a convenient way.
This will be necessary for adding more built-ins that have out
parameters from ESSL 3.10.
BUG=angleproject:1730
TEST=angle_unittests
Change-Id: I4bc622d70b2326a04cc858ff1258c22320c590dc
Reviewed-on: https://chromium-review.googlesource.com/431109
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
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09b04a2f
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2016-12-15T13:30:26
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Add shader translator support for OVR_multiview
The OVR_multiview and OVR_multiview2 extensions add gl_ViewID_OVR to
shaders. gl_ViewID_OVR can be translated either as is in GLSL output
or as a uniform by setting the SH_TRANSLATE_VIEWID_OVR_AS_UNIFORM
compiler flag.
If WebGL output is selected, the shaders will be validated according
to proposed rules in the WEBGL_multiview spec.
BUG=angleproject:1669
TEST=angle_unittests
Change-Id: I19ea3a6c8b4edb78be03f1a50a96bfef018870d0
Reviewed-on: https://chromium-review.googlesource.com/422848
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
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