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f48fcb46
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2025-06-19T07:11:48
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Revert "Metal: Wraparound int arithmetic for add, sub"
This reverts commit 2f6f0514563d81e439e04ba09eee9e8a1d6ca8d1.
Reason for revert: Leads to MSL compiler errors:
> error: non-const reference cannot bind to vector element
Bug: angleproject:382215759
Original change's description:
> Metal: Wraparound int arithmetic for add, sub
>
> Implement wraparound int arithmetic for
> int, ivec +, -, +=, -=, ++, --.
>
> All of the added tests pass also without the changes.
>
> Bug: angleproject:382215759
> Change-Id: I7605582ab2931e63010c34fba474797f7edd19f9
> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6578729
> Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
> Reviewed-by: Geoff Lang <geofflang@chromium.org>
> Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
Bug: angleproject:382215759
Bug: chromium:425746892
Change-Id: I831d96c6ee7b8bcdeaa08fbf32d430def87a3c30
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6656001
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@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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2f6f0514
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2025-05-22T15:59:19
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Metal: Wraparound int arithmetic for add, sub
Implement wraparound int arithmetic for
int, ivec +, -, +=, -=, ++, --.
All of the added tests pass also without the changes.
Bug: angleproject:382215759
Change-Id: I7605582ab2931e63010c34fba474797f7edd19f9
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6578729
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
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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8e9dc1a6
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2024-11-19T11:08:31
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Validate anonymous struct names with namespace
Consider GLSL:
struct { vec4 e; } g;
struct sbbf { vec4 f; };
The struct name validation would fail if user chosen struct name would
clash with a symbol name that ANGLE internally gave to an anonymous
struct.
Fix by importing Name abstraction from MSL backend. A symbol name is
a pair (namespace, string).
Move operator<<(std::ostream &os, const ImmutableString &str)
to sh namespace because that is more natural for operator overloading
name resolution. MSVC works with this.
Bug: angleproject:379758201
Change-Id: Icc9b02aa8cb532e1d925e2fba4c45468f01b9144
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6035029
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
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0f7371ae
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2024-10-07T00:00:00
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Metal: Remove ANGLE_tensor macro
Its replacement is never used.
Fixed: angleproject:372053408
Change-Id: I1d54efcc1a1ecac1d0c6dae5ff7524b501297fe0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5912904
Reviewed-by: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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b16d105f
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2024-10-03T10:25:32
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Remove Desktop GL front-end support
For Desktop GL applications, please use Zink!
Bug: angleproject:370937467
Change-Id: Ie734634bb62a2e98c80e1b32d8b3d34624da3c04
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5905428
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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95664631
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2024-09-19T00:00:00
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Metal: Fix OES_texture_3D texture function wrappers
* Removed redundant variadic macros and templates for
GL_OES_texture_3D functions.
* Added missing texture3D function variants.
* Emit texture3DProj variant with bias only when
the GLSL function call has that parameter.
Fixed all failures in KHR-GLES2.texture_3d.* tests.
Bug: angleproject:368059227
Change-Id: I9c0b209988563710824c38d0535997e351bbd6bd
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5875725
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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e6c22c93
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2024-09-19T00:00:00
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Metal: Remove invalid ESSL 1.00 texture functions
* 1D textures are not supported in GLSL ES
* 2D textures do not support sampling with
3-component coordinates
* Metal backend does not support rectangle
texture type
* Cubemap textures do not support sampling
with projection
Bug: angleproject:368059227
Change-Id: Iec33f4293d995b9f244274338d444604ffd23249
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5872915
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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b7d4c5d1
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2024-07-04T00:00:00
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Metal: Disable fast math if isinf or isnan are used
Fixed: angleproject:42266714
Fixed: angleproject:42267063
Change-Id: Ibf6508ffc7d458a6b91b9218b2b488b6aa5b1001
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5678416
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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d193d51b
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2024-06-17T22:46:08
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Replace issue ids post migration to new issue tracker
This change replaces anglebug.com/NNNN links.
Bug: None
Change-Id: I8ac3aec8d2a8a844b3d7b99fc0a6b2be8da31761
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5637912
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@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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197beb4d
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2024-02-13T15:47:32
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Metal: Crash if for loop body is optimized away
Loops might have their bodies optimized away.
For case like `for(;;) if(false);` the constant pruning happens at
parse phase. The else branch (e.e. no else branch, nullptr) would be
selected as the body.
Some code treated the body as optional, some code treated it as
required. Define it as required, and remove all conditional code
related to the loop body.
Bug: angleproject:8532
Change-Id: Ic35f1bf78e63ceb2cee7b96ba99e788efc282e6f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5291554
Auto-Submit: Kimmo Kinnunen <kkinnunen@apple.com>
Commit-Queue: Kimmo Kinnunen <kkinnunen@apple.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
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9318a143
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2024-01-11T15:58:44
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Add __asm__("") statements to loop bodies in MSL.
This prevents erasure of infinite loops during optimization passes.
Bug: chromium:1513738
Change-Id: I84a305b5e7fd824531d9e3ebae5496ddec030bac
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5191166
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Reviewed-by: Alexey Knyazev <lexa.knyazev@gmail.com>
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7d30cf9f
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2024-01-22T00:00:00
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Metal: Simplify sign function translation
Check whether a float or an integer variant
is needed and emit only what is necessary.
Fixed: angleproject:8502
Change-Id: I7061a5faa7cf09519b30e64ff90c42bbe392908a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5234350
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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2431d4df
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2024-01-18T00:00:00
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Metal: Skip array index clamp for constant values
Do not wrap constant array indices with
ANGLE_int_clamp when their values could
be statically validated.
Fixed: angleproject:8488
Change-Id: I3ad183475e1847cb7db1a07df3598c7d39767d7e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5220233
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
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fc742305
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2024-01-18T00:00:00
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Metal: Simplify geometry functions translation
Check whether a vector or a scalar variant
is needed and emit only what is necessary.
Reduced the generated MSL for:
- atan/atan2
- length
- distance
- dot
- normalize
- faceforward
- reflect
- refract
Fixed: angleproject:8487
Fixed: angleproject:8489
Change-Id: I3be39e55997062136aae2782269a65c0c738d6cf
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5217532
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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a6b9a744
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2023-12-21T00:00:00
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Metal: Implement vertex attribute aliasing
When vertex attribute aliasing is supported, the
external vertex input struct is filled post-link
to account for potentially aliased attributes.
Fixed the following tests:
dEQP-GLES2.functional.attribute_location.bind_aliasing
.cond_float
.cond_vec2
.cond_vec3
.cond_vec4
.cond_mat2
.cond_mat2_offset_1
.cond_mat3
.cond_mat3_offset_1
.cond_mat4
.cond_mat4_offset_1
dEQP-GLES3.functional.attribute_location.bind_aliasing
.cond_float
.cond_vec2
.cond_vec3
.cond_vec4
.cond_mat2
.cond_mat2_offset_1
.cond_mat3
.cond_mat3_offset_1
.cond_mat4
.cond_mat4_offset_1
.max_cond_float
.max_cond_vec2
.max_cond_vec3
.max_cond_vec4
.max_cond_mat2
.max_cond_mat3
.max_cond_mat4
Fixed: angleproject:6297
Change-Id: Ifa6b82e0d7d4e12115ec19e342cfb82ab4389f5a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5148210
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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e172c104
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2023-12-07T00:00:00
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Metal: Fix temporary array initialization
Ensure that temporary array declarations have
literal initializers to bypass Metal compiler
issues.
Fixed the following tests on Apple silicon:
dEQP-GLES2.functional.shaders.indexing.tmp_array
.float_const_write_dynamic_loop_read_fragment
.float_const_write_dynamic_loop_read_vertex
.float_const_write_dynamic_read_fragment
.float_const_write_dynamic_read_vertex
Fixed: angleproject:7058
Change-Id: Id4a360b0a5a15da43ce4626c6dfe03556cc9d0f0
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5115898
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
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6d9f0aee
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2023-11-30T00:00:00
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Metal: Ensure helper invocations when derivatives are used
Set sample coverage mask to ensure that
fragment shader helper invocations are
performed when derivatives are used.
Fixed the following tests on Apple silicon:
dEQP-GLES2.functional.texture.mipmap
.2d.projected.nearest_linear_repeat
.2d.projected.linear_linear_repeat
.cube.projected.linear_nearest
.cube.projected.linear_linear
dEQP-GLES3.functional.texture.mipmap
.2d.projected.nearest_nearest_mirror
.2d.projected.linear_nearest_clamp
.2d.projected.linear_nearest_repeat
.2d.projected.linear_nearest_mirror
.2d.projected.nearest_linear_repeat
.2d.projected.linear_linear_clamp
.2d.projected.linear_linear_repeat
.3d.projected.nearest_nearest_mirror
.3d.projected.linear_nearest_clamp
.3d.projected.linear_nearest_repeat
.3d.projected.nearest_linear_clamp
.3d.projected.nearest_linear_mirror
.3d.projected.linear_linear_clamp
.3d.projected.linear_linear_repeat
Fixed: angleproject:8443
Fixed: angleproject:7023
Change-Id: I13fc52532b94de098dcf3e9f5f02d48a6c8913c7
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5089131
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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5d70a41c
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2023-11-30T00:00:00
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Metal: Use a separate struct for last fragment data
Used a separate MSL struct type for reading from
framebuffer attachments to not fetch unnecessary
draw buffers and to be able to set a sample mask.
Removed TranslatorMSL::isSampleMaskAllowed()
Ensured that the lastFragmentOut variable is not
added when PLS does not use framebuffer fetch.
Fixed: angleproject:8442
Change-Id: Ia3320fc6063277479b5aa9b7fea34457465add75
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5079450
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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d696b40f
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2023-11-23T00:00:00
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Metal: Use precise tanh for highp result types
When fast math is enabled, default tanh does not pass
dEQP precision tests. Explicitly request precise tanh
when the result type has high precision.
Bug: angleproject:8287
Change-Id: I07c8c2638b5f0a51feacbeadb78382152a95b03c
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5057298
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
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f441e3ee
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2023-11-01T15:22:55
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Metal: Fix missing mix(float,float,bool) overload
ANGLE has an ANGLE_mix_bool overload when the last parameter is a bool
but it is not needed when the other parameters are scalar.
Bug: chromium:1493243
Change-Id: I6ea904ed63055b49cf3eaded475eafa607ca5976
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4995278
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
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777a46bf
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2023-09-29T00:00:00
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Metal: Fix power function translation
GLSL definition of pow(x, y) excludes negative x, so
it must be translated to metal::powr, not metal::pow.
Fixed: angleproject:8366
Change-Id: Idaa66da73a149119e2a74beddc9a49e187d3e7af
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4901995
Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
Reviewed-by: Kenneth Russell <kbr@chromium.org>
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8ba04f1c
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2023-08-05T00:48:35
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Metal: disable fastmath less often.
Stop disabling fastmath if atan is used in the shader. Application
developers will surely prefer the significant performance improvement
of the fastmath optimizations over corner-case differences in
precision.
Make disabling fastmath more precise: only if it's forcibly disabled
as a driver bug workaround, or if the shader uses invariance and
preserveInvariance is not available.
Suppress the test:
dEQP-GLES[23].functional.shaders.invariance.lowp.loop_2
which fails when fastmath is enabled for shaders using atan and
invariance.
Fixed: chromium:1320111
Change-Id: I6e33b14b1d05faedc15373f24af3e22a4074a35b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4754018
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Auto-Submit: Kenneth Russell <kbr@chromium.org>
Commit-Queue: 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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