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5 Commits

Author SHA1 Message Date
dan sinclair
18b2158b4e Move ast/address_space to type/ 
This CL moves the ast/address_space to type/address_space. This breaks
the type dependency on ast for AddressSpace.

Change-Id: Icb48e7423e18904865ec735024eb3b9864c947c2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117604
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
 2023-01-21 19:56:49 +00:00
Ben Clayton
884f95258d tint/utils: Add TINT_LIKELY / TINT_UNLIKELY macros 
Emits branch prediction hints.
Give unlikely hints about where we call TINT_ICE.

Change-Id: Ied5bc3d7c8b3a838e96e5a0a64156048f90411c6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116875
Commit-Queue: Ben Clayton <bclayton@google.com>
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
 2023-01-12 22:52:57 +00:00
Ben Clayton
c6b381495d tint/transform: Refactor transforms 
Replace the ShouldRun() method with Apply() which will do the
transformation if it needs to be done, otherwise returns
'SkipTransform'.

This reduces a bunch of duplicated scanning between the old ShouldRun()
and Transform().

This change also adjusts code style to make the transforms more
consistent.

Change-Id: I9a6b10cb8b4ed62676b12ef30fb7764d363386c6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/107681
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
 2022-11-03 08:41:19 +00:00
dan sinclair
6e77b47ed9 Update internals to initializer instead of constructor. 
This CL catches up the internals (along with a few error messages) to
say `initializer` instead of `constructor.

Bug: tint:1600
Change-Id: I8e56572c310d77da1130380bdd32b334f27c8e46
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106462
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
 2022-10-20 13:38:28 +00:00
Corentin Wallez
98a7cd11af Add a ClampFragDepth transform. 
Add clamping of the @builtin(frag_depth) output of fragment shaders using
two push constantsprovided by the outside environment. For example the
following code:

  @fragment fn main() -> @builtin(frag_depth) f32 {
      return 0.0;
  }

Is transformed to:

  enable chromium_experimental_push_constant;

  struct FragDepthClampArgs {
    min : f32,
    max : f32,
  }

  var<push_constant> frag_depth_clamp_args : FragDepthClampArgs;

  fn clamp_frag_depth(v : f32) -> f32 {
    return clamp(v, frag_depth_clamp_args.min, frag_depth_clamp_args.max);
  }

  @fragment
  fn main() -> @builtin(frag_depth) f32 {
    return clamp_frag_depth(0.0);
  }

Fixed: tint:1620
Change-Id: Id403c4813fb2698aa87630abc30d26f02d53634a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/104980
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
 2022-10-11 09:52:25 +00:00