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[hlsl-writer] Scaffold the HLSL backend.

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This CL adds the scaffolding for the HLSL backend.

Bug: tint:7
Change-Id: Iaf9f5159bc409f3ac71fcec281229258bdfa021b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/25000
Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
dan sinclair
2020-07-20 22:13:37 +00:00
parent 5dee499c57
commit feffa9d887
13 changed files with 310 additions and 8 deletions
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23
samples/main.cc
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@@ -33,6 +33,7 @@ enum class Format {
kSpvAsm,
kWgsl,
kMsl,
kHlsl,
};
struct Options {
@@ -50,13 +51,14 @@ struct Options {
const char kUsage[] = R"(Usage: tint [options] <input-file>
options:
--format <spirv|spvasm|wgsl|msl> -- Output format.
--format <spirv|spvasm|wgsl|msl|hlsl> -- Output format.
If not provided, will be inferred from output
filename extension:
.spvasm -> spvasm
.spv -> spirv
.wgsl -> wgsl
.metal -> msl
.spv -> spirv
.wgsl -> wgsl
.metal -> msl
.hlsl -> hlsl
If none matches, then default to SPIR-V assembly.
--output-file <name> -- Output file name. Use "-" for standard output
-o <name> -- Output file name. Use "-" for standard output
@@ -86,6 +88,11 @@ Format parse_format(const std::string& fmt) {
return Format::kMsl;
#endif // TINT_BUILD_MSL_WRITER
#if TINT_BUILD_HLSL_WRITER
if (fmt == "hlsl")
return Format::kHlsl;
#endif // TINT_BUILD_HLSL_WRITER
return Format::kNone;
}
@@ -453,7 +460,13 @@ int main(int argc, const char** argv) {
if (options.format == Format::kMsl) {
writer = std::make_unique<tint::writer::msl::Generator>(std::move(mod));
}
#endif // TINT_BUILDER_MSL_WRITER
#endif // TINT_BUILD_MSL_WRITER
#if TINT_BUILD_HLSL_WRITER
if (options.format == Format::kHlsl) {
writer = std::make_unique<tint::writer::hlsl::Generator>(std::move(mod));
}
#endif // TINT_BUILD_HLSL_WRITER
if (!writer) {
std::cerr << "Unknown output format specified" << std::endl;