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dxvk/tests/dxbc/test_hlsl_compiler.cpp

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#include <cstring>
#include <fstream>
#include <vector>
#include <d3dcompiler.h>
#include <shellapi.h>
#include <windows.h>
#include <windowsx.h>
#include "../test_utils.h"
using namespace dxvk;
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow) {
int argc = 0;
LPWSTR* argv = CommandLineToArgvW(
GetCommandLineW(), &argc);
if (argc < 5) {
std::cerr << "Usage: hlsl-compiler target entrypoint input.hlsl output.dxbc [--strip] [--text]" << std::endl;
return 1;
}
bool strip = false;
bool text = false;
for (int i = 5; i < argc; i++) {
strip |= str::fromws(argv[i]) == "--strip";
text |= str::fromws(argv[i]) == "--text";
}
const LPWSTR target = argv[1];
const LPWSTR entryPoint = argv[2];
const LPWSTR inputFile = argv[3];
const LPWSTR outputFile = argv[4];
std::ifstream ifile(str::fromws(inputFile), std::ios::binary);
ifile.ignore(std::numeric_limits<std::streamsize>::max());
std::streamsize length = ifile.gcount();
ifile.clear();
ifile.seekg(0, std::ios_base::beg);
std::vector<char> hlslCode(length);
ifile.read(hlslCode.data(), length);
Com<ID3DBlob> binary;
Com<ID3DBlob> errors;
HRESULT hr = D3DCompile(
hlslCode.data(),
hlslCode.size(),
"Shader", nullptr, nullptr,
str::fromws(entryPoint).c_str(),
str::fromws(target).c_str(),
D3DCOMPILE_OPTIMIZATION_LEVEL3 |
D3DCOMPILE_ENABLE_UNBOUNDED_DESCRIPTOR_TABLES,
0, &binary, &errors);
if (FAILED(hr)) {
if (errors != nullptr)
std::cerr << reinterpret_cast<const char*>(errors->GetBufferPointer()) << std::endl;
return 1;
}
if (strip) {
Com<ID3DBlob> strippedBlob;
hr = D3DStripShader(binary->GetBufferPointer(), binary->GetBufferSize(),
D3DCOMPILER_STRIP_REFLECTION_DATA | D3DCOMPILER_STRIP_DEBUG_INFO,
&strippedBlob);
if (FAILED(hr)) {
std::cerr << "Failed to strip shader" << std::endl;
return 1;
}
binary = strippedBlob;
}
std::ofstream file;
if (str::fromws(outputFile) != "-")
file = std::ofstream(str::fromws(outputFile), std::ios::binary | std::ios::trunc);
std::ostream& outputStream = file.is_open() ? file : std::cout;
if (text) {
auto data = reinterpret_cast<const uint32_t*>(binary->GetBufferPointer());
auto size = binary->GetBufferSize() / sizeof(uint32_t);
outputStream << std::hex;
for (uint32_t i = 0; i < size; i++) {
if (i && !(i & 0x7))
outputStream << std::endl;
outputStream << "0x" << std::setfill('0') << std::setw(8) << data[i] << ", ";
}
outputStream << std::endl;
} else {
outputStream.write(reinterpret_cast<const char*>(binary->GetBufferPointer()), binary->GetBufferSize());
}
return 0;
}