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agc: initialize interpolant mapping registers

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This commit is contained in:
nmzik
2026-08-20 23:34:40 +02:00
parent 1546e93d67
commit ebd47081ca
6 changed files with 134 additions and 166 deletions
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src/libs/libAgcDriver.cpp
+1 -140
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@@ -3,8 +3,6 @@
#include "libs/libs.h"
#include "loader/symbolDatabase.h"
#include <cstring>
namespace Libs {
namespace LibGen5 {
@@ -13,143 +11,6 @@ LIB_VERSION("Graphics5", 1, "Graphics5", 1, 1);
namespace Gen5 = Graphics::Gen5;
template <class T>
static T ReadUnaligned(const uint8_t* ptr, uint32_t offset) {
T ret {};
std::memcpy(&ret, ptr + offset, sizeof(T));
return ret;
}
static uint32_t BitExtract(uint32_t value, uint32_t start, uint32_t len) {
return (value >> start) & ((1u << len) - 1u);
}
static void Graphics5UnknownDbWriteDefault(uint64_t* out, uint32_t first) {
constexpr uint64_t default_entry = 0x10000000ull;
for (uint32_t i = first; i < 32u; i++) {
const auto low = static_cast<uint32_t>(default_entry) + i;
const auto high = static_cast<uint32_t>(default_entry >> 37u) * 32u + i;
out[i] = (static_cast<uint64_t>(high) << 32u) | low;
}
}
static uint32_t Graphics5UnknownDbApplyTwoBitField(uint32_t value, uint32_t field, uint32_t shift) {
const auto mask = 0x3u << shift;
switch (field & 0x3u) {
case 0: return value & ~mask;
case 1: return (value & ~mask) | (0x1u << shift);
case 2: return (value & ~mask) | (0x2u << shift);
default: return value | mask;
}
}
static uint32_t Graphics5UnknownDbApplyFinalMask(uint32_t flags, uint32_t src,
uint32_t mask_value) {
flags &= 0xffffffe0u;
flags |= BitExtract(mask_value, 8u, 5u);
flags &= 0xfffffbffu;
flags |= ((src & 0x400000u) != 0 ? 0x400u : ((src >> 14u) & 0x400u));
return flags;
}
static int KYTY_SYSV_ABI AgcUnknownDbOlWdppb4o(uint64_t arg0, uint64_t arg1, uint64_t arg2,
uint64_t arg3, uint64_t arg4, uint64_t arg5) {
PRINT_NAME();
(void)arg3;
(void)arg4;
(void)arg5;
auto* out = reinterpret_cast<uint64_t*>(arg0);
if (arg2 == 0) {
Graphics5UnknownDbWriteDefault(out, 0);
return 0;
}
const auto* desc = reinterpret_cast<const uint8_t*>(arg1);
const auto* src = reinterpret_cast<const uint8_t*>(arg2);
const auto count = ReadUnaligned<uint32_t>(src, 0x50u);
if (count == 0) {
Graphics5UnknownDbWriteDefault(out, 0);
return 0;
}
const auto mask_count = ReadUnaligned<uint16_t>(desc, 0x56u);
const auto* masks = reinterpret_cast<const uint32_t*>(ReadUnaligned<uint64_t>(desc, 0x38u));
const auto* src_entries =
reinterpret_cast<const uint32_t*>(ReadUnaligned<uint64_t>(src, 0x30u));
for (uint32_t i = 0; i < count; i++) {
auto src_value = src_entries[i];
auto mask_index = static_cast<uint32_t>(mask_count);
for (uint32_t j = 0; j < mask_count; j++) {
if ((static_cast<uint8_t>(masks[j]) ^ static_cast<uint8_t>(src_value)) == 0) {
mask_index = j;
break;
}
}
const bool has_mask = (mask_index < mask_count);
const auto mode = (src_value >> 20u) & 0x3u;
auto flags = 0u;
if (mode == 0) {
flags = (((src_value >> 24u) & 0x1u) | (has_mask ? 0u : 1u)) << 5u;
flags = Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 28u) & 0x3u, 8u);
} else {
const auto shifted_mode = (src_value << 4u) & 0x03000000u;
flags = shifted_mode + 0x80000u;
if (mode == 2) {
flags &= 0xffefffdfu;
if (has_mask) {
flags |= ((~(masks[mask_index] & src_value) >> 16u) & 0x20u);
} else {
flags |= 0x20u;
}
flags = Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 30u) & 0x3u, 8u);
flags = Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 30u) & 0x3u, 21u);
} else {
if (has_mask) {
const auto masked = masks[mask_index] & src_value;
flags &= 0xffffffdfu;
flags |= (masked >> 15u) & 0x20u;
flags ^= 0x20u;
flags &= 0xffefffffu;
flags |= ((~masked >> 1u) & 0x100000u);
flags =
Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 30u) & 0x3u, 8u);
} else {
flags |= 0x100020u;
flags =
Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 28u) & 0x3u, 8u);
}
flags = Graphics5UnknownDbApplyTwoBitField(flags, (src_value >> 30u) & 0x3u, 21u);
}
}
if (has_mask) {
flags = Graphics5UnknownDbApplyFinalMask(flags, src_value, masks[mask_index]);
} else {
flags &= 0xfffffbe0u;
}
out[i] = (static_cast<uint64_t>(flags) << 32u) | (0x10000000u + i);
}
if (count < 32u) {
Graphics5UnknownDbWriteDefault(out, count);
}
return 0;
}
LIB_DEFINE(InitAgcDriver_1) {
PRINT_NAME_ENABLE(true);
@@ -182,7 +43,7 @@ LIB_DEFINE(InitAgcDriver_1) {
LIB_FUNC("qj7QZpgr9Uw", Gen5::AgcDcbContextStateOp);
LIB_FUNC("H6vHS5cidSA", Gen5::AgcDcbContextStateOpGetSize);
LIB_FUNC("BfBDZGbti7A", Gen5::AgcGetIsTrinityMode);
LIB_FUNC("dbOlWdppb4o", LibGen5::AgcUnknownDbOlWdppb4o);
LIB_FUNC("dbOlWdppb4o", Gen5::AgcCreateInterpolantMapping2);
LIB_FUNC("F0ZXt5q0ZTA", Gen5::AgcDriverGetDefaultOwner);
LIB_FUNC("F0Y42t-3e18", Gen5::AgcDriverInitResourceRegistration);