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transform: API cleanup

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Transforms are meant to be reusable. Those that hold state cannot be used concurrently.
State leakage between runs is dangerous.
To fix this:
* Add transform::Data - A new base class for extra information emitted by transforms.
* Add transform::DataMap - A container of Data, keyed by type.
* Add a transform::DataMap field to Transform::Output.
* Have FirstIndexOffset emit a FirstIndexOffset::Data.
* Deprecate the getters on the transform.

Mutability of the transform config is also dangerous as setters can be called while a transform is actively running on another thread.
To fix:
* Expose a VertexPulling::Config structure and add a constructor that accepts this.
* Deprecate the setters on VertexPulling.

Also deprecate Transform::Output::diagnostics.
Put all the transform diagnostics into the returned Program. Reduces error handling of the client.

Change-Id: Ibd228dc2fbf004ede4720e2d6019c024bc5934d1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42264
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2021-02-24 15:55:24 +00:00
committed by Commit Bot service account
parent 94b36c3e86
commit eb496d0a4d
20 changed files with 437 additions and 194 deletions
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8
samples/main.cc
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@@ -28,8 +28,8 @@
namespace {
[[noreturn]]
void TintInternalCompilerErrorReporter(const tint::diag::List& diagnostics) {
[[noreturn]] void TintInternalCompilerErrorReporter(
const tint::diag::List& diagnostics) {
auto printer = tint::diag::Printer::create(stderr, true);
tint::diag::Formatter{}.format(diagnostics, printer.get());
exit(1);
@@ -569,8 +569,8 @@ int main(int argc, const char** argv) {
}
auto out = transform_manager.Run(program.get());
if (out.diagnostics.contains_errors()) {
diag_formatter.format(out.diagnostics, diag_printer.get());
if (!out.program.IsValid()) {
diag_formatter.format(out.program.Diagnostics(), diag_printer.get());
return 1;
}