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rsx: Refactor rsx_decode.h and bugfixes

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Eladash 2019-07-07 11:53:07 +03:00 • committed by kd-11
parent db4bc6f6be
commit d57b4dc8f3
5 changed files with 859 additions and 1208 deletions
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64
Utilities/types.h
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@ -131,6 +131,39 @@ using steady_clock = std::conditional<
std::chrono::high_resolution_clock::is_steady,
std::chrono::high_resolution_clock, std::chrono::steady_clock>::type;
// Get unsigned integral type from type size
template<size_t N>
struct get_int_impl
{
};
template<>
struct get_int_impl<sizeof(u8)>
{
using type = u8;
};
template<>
struct get_int_impl<sizeof(u16)>
{
using type = u16;
};
template<>
struct get_int_impl<sizeof(u32)>
{
using type = u32;
};
template<>
struct get_int_impl<sizeof(u64)>
{
using type = u64;
};
template <size_t N>
using get_int_t = typename get_int_impl<N>::type;
namespace gsl
{
using std::byte;
@ -855,3 +888,34 @@ inline void busy_wait(std::size_t cycles = 3000)
const u64 s = __rdtsc();
do _mm_pause(); while (__rdtsc() - s < cycles);
}
// TODO: Remove when moving to c++20
template <typename T>
inline constexpr uintmax_t floor2(T value)
{
value >>= 1;
for (uintmax_t i = 0;; i++, value >>= 1)
{
if (value == 0)
{
return i;
}
}
}
template <typename T>
inline constexpr uintmax_t ceil2(T value)
{
const uintmax_t ispow2 = value & (value - 1); // if power of 2 the result is 0
value >>= 1;
for (uintmax_t i = 0;; i++, value >>= 1)
{
if (value == 0)
{
return i + std::min<uintmax_t>(ispow2, 1);
}
}
}