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feat(fp16): remove translation remnants

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PancakeTAS 2025-07-30 18:59:59 +02:00 • committed by Pancake
parent cb234bde74
commit 6c3571e672
5 changed files with 1 additions and 98 deletions
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3
.gitmodules vendored
View file

@ -1,9 +1,6 @@
[submodule "thirdparty/pe-parse"]
path = thirdparty/pe-parse
url = https://github.com/trailofbits/pe-parse
[submodule "thirdparty/dxbc"]
path = thirdparty/dxbc
url = https://github.com/PancakeTAS/dxbc.git
[submodule "thirdparty/toml11"]
path = thirdparty/toml11
url = https://github.com/ToruNiina/toml11

3
CMakeLists.txt
View file

@ -12,7 +12,6 @@ add_compile_options(-fPIC
-Wno-deprecated-declarations
-Wno-unused-template)
add_subdirectory(thirdparty/dxbc EXCLUDE_FROM_ALL)
add_subdirectory(thirdparty/pe-parse/pe-parser-library EXCLUDE_FROM_ALL)
add_subdirectory(thirdparty/toml11 EXCLUDE_FROM_ALL)
add_subdirectory(thirdparty/volk EXCLUDE_FROM_ALL)
@ -45,7 +44,7 @@ set_target_properties(lsfg-vk PROPERTIES
target_include_directories(lsfg-vk
PUBLIC include)
target_link_libraries(lsfg-vk PUBLIC
pe-parse dxbc toml11 SPIRV-Tools-opt
pe-parse toml11 SPIRV-Tools-opt)
lsfg-vk-framegen)
get_target_property(TOML11_INCLUDE_DIRS toml11 INTERFACE_INCLUDE_DIRECTORIES)

16
include/extract/trans.hpp
View file

@ -1,16 +0,0 @@
#pragma once
#include <cstdint>
#include <vector>
namespace Extract {
///
/// Translate DXBC bytecode to SPIR-V bytecode.
///
/// @param bytecode The DXBC bytecode to translate.
/// @return The translated SPIR-V bytecode.
///
std::vector<uint8_t> translateShader(std::vector<uint8_t> bytecode);
}

76
src/extract/trans.cpp
View file

@ -1,76 +0,0 @@
#include "extract/trans.hpp"
#include <thirdparty/spirv.hpp>
#include <dxbc_modinfo.h>
#include <dxbc_module.h>
#include <dxbc_reader.h>
#include <cstdint>
#include <cstddef>
#include <algorithm>
#include <vector>
using namespace Extract;
struct BindingOffsets {
uint32_t bindingIndex{};
uint32_t bindingOffset{};
uint32_t setIndex{};
uint32_t setOffset{};
};
std::vector<uint8_t> Extract::translateShader(std::vector<uint8_t> bytecode) {
// compile the shader
dxvk::DxbcReader reader(reinterpret_cast<const char*>(bytecode.data()), bytecode.size());
dxvk::DxbcModule module(reader);
const dxvk::DxbcModuleInfo info{};
auto code = module.compile(info, "CS");
// find all bindings
std::vector<BindingOffsets> bindingOffsets;
std::vector<uint32_t> varIds;
for (auto ins : code) {
if (ins.opCode() == spv::OpDecorate) {
if (ins.arg(2) == spv::DecorationBinding) {
const uint32_t varId = ins.arg(1);
bindingOffsets.resize(std::max(bindingOffsets.size(), size_t(varId + 1)));
bindingOffsets[varId].bindingIndex = ins.arg(3);
bindingOffsets[varId].bindingOffset = ins.offset() + 3;
varIds.push_back(varId);
}
if (ins.arg(2) == spv::DecorationDescriptorSet) {
const uint32_t varId = ins.arg(1);
bindingOffsets.resize(std::max(bindingOffsets.size(), size_t(varId + 1)));
bindingOffsets[varId].setIndex = ins.arg(3);
bindingOffsets[varId].setOffset = ins.offset() + 3;
}
}
if (ins.opCode() == spv::OpFunction)
break;
}
std::vector<BindingOffsets> validBindings;
for (const auto varId : varIds) {
auto info = bindingOffsets[varId];
if (info.bindingOffset)
validBindings.push_back(info);
}
// patch binding offset
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunsafe-buffer-usage"
for (size_t i = 0; i < validBindings.size(); i++)
code.data()[validBindings.at(i).bindingOffset] // NOLINT
= static_cast<uint8_t>(i);
#pragma clang diagnostic pop
// return the new bytecode
std::vector<uint8_t> spirvBytecode(code.size());
std::copy_n(reinterpret_cast<uint8_t*>(code.data()),
code.size(), spirvBytecode.data());
return spirvBytecode;
}

1
thirdparty/dxbc vendored

@ -1 +0,0 @@
Subproject commit 78ab59a8aaeb43cd1b0a5e91ba86722433a10b78