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early-access version 1355

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pineappleEA
2021-01-22 01:15:25 +01:00
parent 7dcb3821c6
commit ccc73bbbbf
70 changed files with 994 additions and 804 deletions
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51
src/common/bit_util.h
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@@ -4,13 +4,10 @@
#pragma once
#include <bit>
#include <climits>
#include <cstddef>
#ifdef _MSC_VER
#include <intrin.h>
#endif
#include "common/common_types.h"
namespace Common {
@@ -21,48 +18,30 @@ template <typename T>
return sizeof(T) * CHAR_BIT;
}
#ifdef _MSC_VER
[[nodiscard]] inline u32 MostSignificantBit32(const u32 value) {
unsigned long result;
_BitScanReverse(&result, value);
return static_cast<u32>(result);
[[nodiscard]] constexpr u32 MostSignificantBit32(const u32 value) {
return 31U - static_cast<u32>(std::countl_zero(value));
}
[[nodiscard]] inline u32 MostSignificantBit64(const u64 value) {
unsigned long result;
_BitScanReverse64(&result, value);
return static_cast<u32>(result);
[[nodiscard]] constexpr u32 MostSignificantBit64(const u64 value) {
return 63U - static_cast<u32>(std::countl_zero(value));
}
#else
[[nodiscard]] inline u32 MostSignificantBit32(const u32 value) {
return 31U - static_cast<u32>(__builtin_clz(value));
}
[[nodiscard]] inline u32 MostSignificantBit64(const u64 value) {
return 63U - static_cast<u32>(__builtin_clzll(value));
}
#endif
[[nodiscard]] inline u32 Log2Floor32(const u32 value) {
[[nodiscard]] constexpr u32 Log2Floor32(const u32 value) {
return MostSignificantBit32(value);
}
[[nodiscard]] inline u32 Log2Ceil32(const u32 value) {
const u32 log2_f = Log2Floor32(value);
return log2_f + ((value ^ (1U << log2_f)) != 0U);
}
[[nodiscard]] inline u32 Log2Floor64(const u64 value) {
[[nodiscard]] constexpr u32 Log2Floor64(const u64 value) {
return MostSignificantBit64(value);
}
[[nodiscard]] inline u32 Log2Ceil64(const u64 value) {
const u64 log2_f = static_cast<u64>(Log2Floor64(value));
return static_cast<u32>(log2_f + ((value ^ (1ULL << log2_f)) != 0ULL));
[[nodiscard]] constexpr u32 Log2Ceil32(const u32 value) {
const u32 log2_f = Log2Floor32(value);
return log2_f + static_cast<u32>((value ^ (1U << log2_f)) != 0U);
}
[[nodiscard]] constexpr u32 Log2Ceil64(const u64 value) {
const u64 log2_f = Log2Floor64(value);
return static_cast<u32>(log2_f + static_cast<u64>((value ^ (1ULL << log2_f)) != 0ULL));
}
} // namespace Common

14
src/common/common_funcs.h
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@@ -101,6 +101,20 @@ __declspec(dllimport) void __stdcall DebugBreak(void);
} \
}
#define R_SUCCEEDED(res) (res.IsSuccess())
/// Evaluates an expression that returns a result, and returns the result if it would fail.
#define R_TRY(res_expr) \
{ \
const auto _tmp_r_try_rc = (res_expr); \
if (_tmp_r_try_rc.IsError()) { \
return _tmp_r_try_rc; \
} \
}
/// Evaluates a boolean expression, and succeeds if that expression is true.
#define R_SUCCEED_IF(expr) R_UNLESS(!(expr), RESULT_SUCCESS)
namespace Common {
[[nodiscard]] constexpr u32 MakeMagic(char a, char b, char c, char d) {