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Add a `none` format. 

This CL adds a `none` format to the tint command in order to allow
skipping the emission of the resulting program. This adds a `unknown`
format to take the place of the original `none`.

Change-Id: Ib25e933857c0acb26e3cf0e04ed8a5d1cca1e633
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/110480
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
This commit is contained in:
dan sinclair 2022-11-16 22:29:12 +00:00 committed by Dawn LUCI CQ
parent 4d89ce1a68
commit c214cbe98b
1 changed files with 13 additions and 6 deletions
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19
src/tint/cmd/main.cc
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@ -69,7 +69,8 @@ void PrintHash(uint32_t hash) {
}
enum class Format {
kNone = -1,
kUnknown,
kNone,
kSpirv,
kSpvAsm,
kWgsl,
@ -118,7 +119,7 @@ struct Options {
const char kUsage[] = R"(Usage: tint [options] <input-file>
options:
--format <spirv|spvasm|wgsl|msl|hlsl> -- Output format.
--format <spirv|spvasm|wgsl|msl|hlsl|none> -- Output format.
If not provided, will be inferred from output
filename extension:
.spvasm -> spvasm
@ -193,7 +194,11 @@ Format parse_format(const std::string& fmt) {
}
#endif // TINT_BUILD_GLSL_WRITER
return Format::kNone;
if (fmt == "none") {
return Format::kNone;
}
return Format::kUnknown;
}
#if TINT_BUILD_SPV_WRITER || TINT_BUILD_WGSL_WRITER || TINT_BUILD_MSL_WRITER || \
@ -401,7 +406,7 @@ bool ParseArgs(const std::vector<std::string>& args, Options* opts) {
}
opts->format = parse_format(args[i]);
if (opts->format == Format::kNone) {
if (opts->format == Format::kUnknown) {
std::cerr << "Unknown output format: " << args[i] << std::endl;
return false;
}
@ -1217,11 +1222,11 @@ int main(int argc, const char** argv) {
}
// Implement output format defaults.
if (options.format == Format::kNone) {
if (options.format == Format::kUnknown) {
// Try inferring from filename.
options.format = infer_format(options.output_file);
}
if (options.format == Format::kNone) {
if (options.format == Format::kUnknown) {
// Ultimately, default to SPIR-V assembly. That's nice for interactive use.
options.format = Format::kSpvAsm;
}
@ -1485,6 +1490,8 @@ int main(int argc, const char** argv) {
case Format::kGlsl:
success = GenerateGlsl(program.get(), options);
break;
case Format::kNone:
break;
default:
std::cerr << "Unknown output format specified" << std::endl;
return 1;