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transform: Add a debug flag to dump WGSL

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Before and after each transform of a transform::Manager.

This change makes the transforms use the Castable system so we can get the transform name.

Change-Id: I2cf9335960f1aca56f1d32c5ba0d104db4cc46c1
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/54581
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
Ben Clayton
2021-07-15 20:24:38 +00:00
committed by Tint LUCI CQ
parent aa5686acc3
commit 4511a2ebb6
5 changed files with 73 additions and 5 deletions
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10
samples/main.cc
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@@ -773,6 +773,16 @@ int main(int argc, const char** argv) {
tint::SetInternalCompilerErrorReporter(&TintInternalCompilerErrorReporter);
#if TINT_BUILD_WGSL_WRITER
tint::Program::printer = [](const tint::Program* program) {
auto result = tint::writer::wgsl::Generate(program, {});
if (!result.error.empty()) {
return "error: " + result.error;
}
return result.wgsl;
};
#endif // TINT_BUILD_WGSL_WRITER
if (!ParseArgs(args, &options)) {
std::cerr << "Failed to parse arguments." << std::endl;
return 1;