mirror of
https://git.h3cjp.net/H3cJP/yuzu.git
synced 2024-12-19 09:07:33 +00:00
43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
|
#include <cstdio>
|
||
|
|
|
||
|
|
#include "exception.h"
|
||
|
|
#include "file_environment.h"
|
||
|
|
|
||
|
|
namespace Shader {
|
||
|
|
|
||
|
|
FileEnvironment::FileEnvironment(const char* path) {
|
||
|
|
std::FILE* const file{std::fopen(path, "rb")};
|
||
|
|
if (!file) {
|
||
|
|
throw RuntimeError("Failed to open file='{}'", path);
|
||
|
|
}
|
||
|
|
std::fseek(file, 0, SEEK_END);
|
||
|
|
const long size{std::ftell(file)};
|
||
|
|
std::rewind(file);
|
||
|
|
if (size % 8 != 0) {
|
||
|
|
std::fclose(file);
|
||
|
|
throw RuntimeError("File size={} is not aligned to 8", size);
|
||
|
|
}
|
||
|
|
// TODO: Use a unique_ptr to avoid zero-initializing this
|
||
|
|
const size_t num_inst{static_cast<size_t>(size) / 8};
|
||
|
|
data.resize(num_inst);
|
||
|
|
if (std::fread(data.data(), 8, num_inst, file) != num_inst) {
|
||
|
|
std::fclose(file);
|
||
|
|
throw RuntimeError("Failed to read instructions={} from file='{}'", num_inst, path);
|
||
|
|
}
|
||
|
|
std::fclose(file);
|
||
|
|
}
|
||
|
|
|
||
|
|
FileEnvironment::~FileEnvironment() = default;
|
||
|
|
|
||
|
|
u64 FileEnvironment::ReadInstruction(u32 offset) const {
|
||
|
|
if (offset % 8 != 0) {
|
||
|
|
throw InvalidArgument("offset={} is not aligned to 8", offset);
|
||
|
|
}
|
||
|
|
if (offset / 8 >= static_cast<u32>(data.size())) {
|
||
|
|
throw InvalidArgument("offset={} is out of bounds", offset);
|
||
|
|
}
|
||
|
|
return data[offset / 8];
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace Shader
|