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beae1b4a
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2025-06-19T00:00:00
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Metal: Remove obsolete workarounds
Removed Intel-specific Metal workarounds
that are not used on macOS 12 and later.
Removed a redundant version check.
Bug: angleproject:427600175
Change-Id: I34c7e53108f7e030512c9436ab2b9ae38ad17946
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6672312
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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94ee620d
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2025-05-22T10:07:05
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Metal: Allow optimization of simple loops
Reimplement the feature to avoid undefined behavior of infinite loops.
Add EnsureLoopForwardProgress rewrite pass that inserts a volatile
variable access to all loops that it cannot analyze as being finite.
Detect loops of form `for (; i <op> x; ++i)` as being finite.
The <op> can be any of <,<=,>,>=,==, != operator.
The i can be int or uint.
The ++i can be -- or ++, -=1, +=1.
This assumes that backends using the feature emit signed int arithmetic
with defined wraparound semantics.
Uses volatile write instead of asm("") due to asm not forcing the
behavior in some compiler versions. The volatile variable access is
defined in C++ as forward progress, and by inheritance this works in
MSL.
Later commits may remove injectAsmStatementIntoLoopBodies if
ensureLoopForwardProgress is appropriate for all use-cases.
Bug: angleproject:418918522
Change-Id: Ic9c29f57044b792195386483208632354d24c854
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6575051
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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af6313f5
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2025-06-02T10:31:27
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Check redundant statements for comma op in MSL translator.
Bug: angleproject:421891565
Change-Id: I0475476f360f103a3da4df263dae9c604a8bfef5
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6610091
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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cac1e824
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2025-04-29T18:27:36
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WGSL: Output driver uniform and UBO structs
This is the WGSL half of the change to implement driver uniforms.
Driver uniforms are implemented as a UBO and reuse the default
set of driver uniforms. User-provided UBOs don't yet have
variables outputted for them.
This requires moving MSL's ReduceInterfaceBlocks to the tree_ops
dir in order to change interface block definitions into struct
definitions.
Bug: angleproject:389145696
Change-Id: I27f3837b3d115f2ffac66cc545f3b60ca9f01cb6
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6477564
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Matthew Denton <mpdenton@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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362161fa
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2025-03-28T11:22:46
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Translator: Use unsized int for swizzle components
Bug: angleproject:349994211
Change-Id: Ibee2c664f159960cf9bf860496038bbb32ae355a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6408391
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Roman Lavrov <romanl@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org>
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b03f0148
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2024-11-01T10:26:04
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Metal: interpolateAtOffset fails validation
Fix validation error Found function prototype with an invalid qualifier.
The offset parameter was created with "global" qualifier.
Bug: angleproject:376718268
Change-Id: I6f314a42fe1d35d54bb673cfa7d58eba526c9ea5
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5979778
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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bf29a047
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2024-10-28T11:07:57
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Metal: Remove uniform struct decl separation code
Remove uniform specific struct declaration separation and anonymous
struct naming code.
This is already done by SeparateDeclarations.
Removes code for NameEmbeddedUniformStructsMetal.
Does not remove SeparateStructFromUniformDeclarations code as it is
used for SPIRV.
Bug: angleproject:375937551
Change-Id: I943d96897d97b23fd0f54155dc215a4490f63937
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5972994
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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4397ff2f
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2024-10-25T16:55:30
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Metal: SeparateCompoundStructDeclarations fails validation
Consider GLSL:
struct S { int i; } s;
s=s;
SeparateCompoundStructDeclarations would rewrite this to:
struct S { int i; };
S s';
s=s;
The interm rewrite would rewrite the specification and declaration of s,
but not the use sites. The use sites would use the old type, and thus
something that was not in the tree anymore. This would fail the
validation.
This kind of bug was previously fixed for SeparateDeclarations
in commit 18fa02bebf901dd8501de3176f6052ae4ce984be.
Fix by adding the logic to SeparateDeclarations, as it is already
doing almost the exact task, separating `struct S { ..} a, b`.
The separation is tested in GLSLTests.StructInShader and various
other draw tests. These pass with MSL, but these would also fail
validation if that was enabled.
Bug: angleproject:375523825
Change-Id: I1697103d0ba47616dbd3159f36f9e71cb2831c4b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5964899
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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12584049
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2024-10-21T14:04:55
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Make SimplifyLoopConditions testable
Add ShCompileOptions::simplifyLoopConditions, so that tests can turn
it on. Later edits to simplify loop condition logic are simpler to
review when the testing related edits are landed separately.
Test the feature by having ESSL as the input and ESSL as the natural
output, to reflect how AST changes.
To make the test expectations more deterministic across code changes,
change SymbolTable::kLastBuiltInId to
SymbolTable::kFirstUserDefinedSymbolId. This is simpler as no code
needs to know exact last built in id, so we can just ensure that
the user defined symbol ids do not clash with the builtin ids.
Bug: angleproject:374585769
Change-Id: Iea0efb8ac2878691d0fd5ff5cfe9a49ac754515d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5946724
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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fe8c0390
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2024-09-25T19:00:34
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WGSL: Run SeparateCompoundStructDeclarations to name structs
Borrow SeparateCompoundStructDeclarations from the Metal backend to
separate struct definitions and name nameless structs.
Refactor id generation into a callback.
Bug: angleproject:42267100
Change-Id: I8ed6f13113a5d5e450d30ce187ce1df52e572000
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5889089
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Matthew Denton <mpdenton@chromium.org>
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11724133
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2024-08-06T12:02:54
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Metal: Separate vars with normal types
Separate compound expressions separates expressions as temporary values.
Previously creating a temporary variable would copy the entire type.
Qualifiers and interface block info but shouldn't ever be applied to
temporary variables. This would lead to assertions during MSL
output.
Fix by copying the type and unsetting qualifiers and interface block
info.
Bug: angleproject:357622691
Change-Id: Id868cd3eaabe3710121d6c9a565304e282ddb69f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5762605
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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82ddb33b
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2024-05-10T00:00:00
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Metal: Do not separate vector and matrix constants
Do not create temporary variables for already
folded constant vector and matrix values.
This reduces register usage and partially fixes
MSL compilation errors caused by matrices
present in constant initializers.
Bug: angleproject:8691
Change-Id: Iedfabadd9b7bcb2e6e1e08a5ad39f48305365747
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5533925
Reviewed-by: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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3b650ffa
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2024-03-19T09:53:06
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Metal: Assert while using gl_VertexID as ivec
Metal [vertex_id] is uint while gl_VertexID is int. Replacing
gl_VertexID with gl_VertexIDMetal without rewrites of the expressions
would cause invalid expressions.
Fix by casting uint kgl_VertexIDMetal to int kgl_VertexID instead
of replacing variable during compile.
Bug: angleproject:8597
Change-Id: I76acdb2a0ab5982aa05181175925b3359068e901
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5376498
Reviewed-by: Alexey Knyazev <lexa.knyazev@gmail.com>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
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18fa02be
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2024-03-12T10:23:55
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Rewrite exprs using separated decl variables
Rewrite expressions that use the rewritten struct declaration variables.
Declaration that specfies a struct and defines multiple variables will
get its variable declarations separated. The type of the variable
changes when a struct specifier is removed for the second and rest of
the variable declarations. The type of the variable changes also when a
anonymous struct is named.
The expressions that used the separated variables used the old struct as
their types.
Fix by using TIntermRebuild. Upon creating a new symbol node referencing
the new type, the rebuilder will instantiate also all the needed
intermediate nodes, which then get the correct struct type.
For consistency, fix the case of anonymous struct -> named struct
transform naming the variables similar to named struct separation.
Consider base case:
struct S { .. } a, b; -> struct S { .. } a; S b;
Compare against case:
struct { .. } a, b;
Before, inconsistency:
struct s1 { .. }; s1 a; s1 b;
After, fixed:
struct s1 { .. } a; s1 b;
Bug: angleproject:8590
Change-Id: Iffb0ef4441d6021e076b04485b808b26a7fa4dcb
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5365201
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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f7de39b6
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2024-03-09T10:27:47
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Make IntermRebuild available for all backends
Move IntermRebuild from MSL to general translator
code.
Bug: angleproject:8590
Change-Id: Ie14651d09fbc320b27b94e48eb12d4ca8c79c68c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5358815
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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4e9fbb36
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2024-03-06T15:06:07
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Metal: Remove AccessField(.., ImmutableString)
The variant is incorrect, as ImmutableString does not describe the field
name completely. Names belong to different namespaces denoted by
SymbolType.
Bug: angleproject:8558
Change-Id: I8332f574dfa8439d02af119fd858a6f5acdec73d
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5349698
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
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2b1ef00a
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2024-02-20T15:45:34
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Metal: Fix validation for anonymous struct arrays
Fix validation failure for accessing an element of
array of anonymous struct.
SeparateCompoundStructDeclarations would create
new Structures to name unnamed structures.
The Structure instance of the array index accessor
node was incorrect, it was the old Structure.
Use same pattern as in
SeparateStructFromUniformDeclarations.
Bug: angleproject:8551
Change-Id: I04684e5ad99cc2b9038a0cc21c7eefcc6cf247df
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5310074
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
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473dd389
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2024-01-04T00:00:00
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Metal: Fix out/inout parameter aliasing
Ensured that MSL-internal structs are included
in the parameter aliasing checks.
Fixed the following tests:
dEQP-GLES2.functional.shaders.function
.global_variable_aliasing_fragment
.global_variable_aliasing_vertex
dEQP-GLES3.functional.shaders.function
.global_variable_aliasing_fragment
.global_variable_aliasing_vertex
Fixed: angleproject:7145
Change-Id: Ia1e40e72a69e2f91b480ef5fbb75ff0f0a1a772a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5176988
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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3c8501b3
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2023-12-21T00:00:00
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Metal: Handle embedded uniform struct arrays
Preserve arrayness type information
when replacing uniform declarations.
Fixed: angleproject:6525
Change-Id: I09ea79ffa5bf74e06503985d4f90ccbe0bf25570
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5150729
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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1ab5d01d
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2023-08-29T13:31:07
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Metal: Fix dropped out arguments from functions with many args.
RewriteOutArgs has an early-exit if it spots a potentially aliased
arg. It's also responsible for marking out args as references,
which caused an issue in Google Earth.
Removing the early-exit fixes both issues.
Bug: chromium:1474736
Change-Id: Ib68dd3f3e2e0a1e773e4e09edcdfa3a4bdfc1ef2
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4823006
Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
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280e79e1
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2023-08-10T14:08:00
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Rescope globals only used in one function to function-local.
We can demote global variables when they are only used in one function.
This has performance implications on Metal.
Bug: angleproject:8311
Change-Id: Id666e6b167be771c14768cd73efa61fdacd897d4
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4771215
Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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9b63700b
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2023-07-11T10:25:40
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Translator: Reorganize files
This change makes the translator files more organized by:
- Grouping files that are specific to a certain output under their own
directory,
- Moving transformations under tree_ops
- Removing Direct from metal translation now that that SPIR-V Cross path
is removed
Bug: angleproject:6394
Change-Id: Iaf5bb8d5604b84748dece029821b1f77b2813967
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4678780
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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