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Author SHA1 Message Date
Venomalia
375b3198ac
Merge c678d9fa71 into 04f71e5e6d 2025-12-14 22:33:48 +00:00
Jordan Woyak
04f71e5e6d
Merge pull request #14211 from cscd98/enumerate-radios
mingw: fix usage of std::invocable with EnumerateRadios
2025-12-12 17:21:51 -06:00
Craig Carnell
eded73fe8b mingw: fix use of std::invocable with EnumerateRadios 2025-12-12 09:33:10 +00:00
JMC47
75bc9a474e
Merge pull request #14197 from JosJuice/jit64-store-clobber-imm
Jit64: Explicitly get imm for clobbered stores
2025-12-10 02:42:12 -05:00
JosJuice
fca27c375a Jit64: Explicitly get imm for clobbered stores
If we're on an x64 CPU that doesn't have the MOVBE extension, trying to
SwapAndStore a host register results in that register's value getting
clobbered with the swapped value. Jit64::stX and Jit64::stXx detect this
case, and if necessary, emit a MOV to a register that's fine to clobber.

This logic was broken by the merge of PR 12134. Jit64::stX and
Jit64::stXx were assuming that if RegCache::IsImm returns true for a
guest register, calling RegCache::Use or RegCache::BindOrImm for that
guest register would result in an immediate. However, PR 12134 made it
possible for a guest register to have both a host register and an
immediate in the register cache at the same time. When this happens,
RegCache::IsImm returns true, yet RegCache::Use and RegCache::BindForImm
return an RCOpArg whose Location returns a host register. (To make it
extra confusing, RCOpArg::IsImm calls RegCache::IsImm if the RCOpArg
came from RegCache, so RCOpArg::IsImm returns true!)

To fix this, in cases where Jit64::stX and Jit64::stXx explicitly need
an immediate to avoid having to emit an extra MOV, let's call
RegCache::Imm32 so that we're certain that we're getting an immediate.

This fixes an issue on older x64 CPUs that manifested as e.g. completely
broken graphics in Spyro: Enter the Dragonfly.
2025-12-08 23:19:10 +01:00
Venomalia
c678d9fa71 C8 Texture-Tlut-Hash remains constant when the transparency flag is used. 2023-10-05 22:15:51 +02:00
3 changed files with 19 additions and 8 deletions

View File

@ -158,7 +158,7 @@ static std::optional<std::string> GetParentDeviceDescription(const WCHAR* hid_if
return std::nullopt;
}
void EnumerateRadios(std::invocable<EnumerationControl(HANDLE)> auto&& enumeration_callback)
void EnumerateRadios(std::invocable<HANDLE> auto&& enumeration_callback)
{
constexpr BLUETOOTH_FIND_RADIO_PARAMS radio_params{
.dwSize = sizeof(radio_params),

View File

@ -568,12 +568,19 @@ void Jit64::stX(UGeckoInstruction inst)
{
RCX64Reg Ra = gpr.Bind(a, update ? RCMode::ReadWrite : RCMode::Read);
RCOpArg reg_value;
if (!gpr.IsImm(s) && WriteClobbersRegValue(accessSize, /* swap */ true))
if (WriteClobbersRegValue(accessSize, /* swap */ true))
{
RCOpArg Rs = gpr.Use(s, RCMode::Read);
RegCache::Realize(Rs);
reg_value = RCOpArg::R(RSCRATCH2);
MOV(32, reg_value, Rs);
if (gpr.IsImm(s))
{
reg_value = RCOpArg::Imm32(gpr.Imm32(s));
}
else
{
RCOpArg Rs = gpr.Use(s, RCMode::Read);
RegCache::Realize(Rs);
reg_value = RCOpArg::R(RSCRATCH2);
MOV(32, reg_value, Rs);
}
}
else
{
@ -624,7 +631,9 @@ void Jit64::stXx(UGeckoInstruction inst)
RCOpArg Ra = update ? gpr.Bind(a, RCMode::ReadWrite) : gpr.Use(a, RCMode::Read);
RCOpArg Rb = gpr.Use(b, RCMode::Read);
RCOpArg Rs = does_clobber ? gpr.Use(s, RCMode::Read) : gpr.BindOrImm(s, RCMode::Read);
RCOpArg Rs = does_clobber ?
(gpr.IsImm(s) ? RCOpArg::Imm32(gpr.Imm32(s)) : gpr.Use(s, RCMode::Read)) :
gpr.BindOrImm(s, RCMode::Read);
RegCache::Realize(Ra, Rb, Rs);
MOV_sum(32, RSCRATCH2, Ra, Rb);

View File

@ -159,7 +159,9 @@ TextureInfo::NameDetails TextureInfo::CalculateTextureName() const
const u32 texture_byte = m_ptr[i];
min = std::min(min, texture_byte);
max = std::max(max, texture_byte);
// The value 255 can be used as a transparency flag if the tlut is smaller than 255.
if (texture_byte != 255 || max == 254)
max = std::max(max, texture_byte);
}
break;
case 16384 * 2: