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fix (agc): implement DCB context state operations

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Co-authored-by: DeathWhispers <56944463+Death-Whispers-U@users.noreply.github.com>
This commit is contained in:
nmzik
2026-08-04 19:12:11 +02:00
parent 0bbd0bdd99
commit 2f9fcc63c3
12 changed files with 253 additions and 16 deletions
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src/libs/agc.cpp
+57 -13
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@@ -6,6 +6,7 @@
#include "common/logging/log.h"
#include "common/stringUtils.h"
#include "common/virtualMemory.h"
#include "graphics/guest_gpu/command_processor/commandProcessor.h"
#include "graphics/guest_gpu/gpu_defs.h"
#include "graphics/guest_gpu/graphicsRun.h"
#include "graphics/guest_gpu/hardwareContext.h"
@@ -1444,29 +1445,72 @@ int KYTY_SYSV_ABI GraphicsSuspendPoint() {
return OK;
}
uint32_t* KYTY_SYSV_ABI GraphicsUnknownQj7QZpgr9Uw(CommandBuffer* buf, uint32_t mode,
uint32_t value) {
PRINT_NAME();
// ResetContextState?
LOGF("\t mode = 0x%08" PRIx32 "\n"
"\t value = 0x%08" PRIx32 "\n",
mode, value);
[[nodiscard]] static constexpr uint32_t context_state_op_size_dw(uint32_t operation) {
switch (static_cast<ContextStateOperation>(operation)) {
case ContextStateOperation::Clear: return 5;
case ContextStateOperation::Push:
case ContextStateOperation::Pop: return 27;
case ContextStateOperation::PushClear: return 32;
default: return 0;
}
}
if (buf == nullptr) {
uint32_t* KYTY_SYSV_ABI GraphicsDcbContextStateOp(CommandBuffer* buf, uint32_t operation) {
PRINT_NAME();
LOGF("\t operation = 0x%08" PRIx32 "\n", operation);
const auto size_dw = context_state_op_size_dw(operation);
if (buf == nullptr || size_dw == 0) {
return nullptr;
}
buf->DbgDump();
auto* cmd = buf->AllocateDW(1);
uint32_t* first = nullptr;
const auto append = [&](uint32_t segment_size_dw) {
auto* segment = buf->AllocateDW(segment_size_dw);
if (segment == nullptr) {
return false;
}
std::fill_n(segment, segment_size_dw, 0u);
if (first == nullptr) {
first = segment;
segment[0] = KYTY_PM4(segment_size_dw, Pm4::IT_NOP, Pm4::R_CONTEXT_STATE);
segment[1] = operation;
} else {
segment[0] = KYTY_PM4(segment_size_dw, Pm4::IT_NOP, Pm4::R_ZERO);
}
return true;
};
const auto append_save_restore = [&] {
// The native helper reserves 22 dwords, then emits 5-, 8-, and 9-dword packets.
return buf->ReserveDW(22) && append(5) && append(8) && append(9);
};
if (cmd == nullptr) {
return nullptr;
// Preserve native packet sizes, allocation boundaries, Push/Pop ordering, and
// returned first-packet address. The native packets reference process-private state buffers,
// so their net Cx operation is represented by the first HLE packet and type-3 NOPs.
bool complete = false;
switch (static_cast<ContextStateOperation>(operation)) {
case ContextStateOperation::Clear: complete = append(5); break;
case ContextStateOperation::Push:
complete = append_save_restore() && append(3) && append(2);
break;
case ContextStateOperation::Pop:
complete = append(3) && append_save_restore() && append(2);
break;
case ContextStateOperation::PushClear:
complete = append_save_restore() && append(3) && append(2) && append(5);
break;
default: break;
}
cmd[0] = 0x80000000u;
return complete ? first : nullptr;
}
return cmd;
uint64_t KYTY_SYSV_ABI GraphicsDcbContextStateOpGetSize(uint32_t operation) {
PRINT_NAME();
return static_cast<uint64_t>(context_state_op_size_dw(operation)) * sizeof(uint32_t);
}
uint64_t KYTY_SYSV_ABI GraphicsGetIsTrinityMode() {
src/libs/agc.h
+2 -2
View File
@@ -67,8 +67,8 @@ int KYTY_SYSV_ABI GraphicsUnknownJumpPatchSetTarget(uint32_t* cmd, const volatil
int KYTY_SYSV_ABI GraphicsJumpPatchSetTarget(uint32_t* cmd, const volatile uint32_t* target,
uint32_t size_in_dwords);
int KYTY_SYSV_ABI GraphicsSuspendPoint();
uint32_t* KYTY_SYSV_ABI GraphicsUnknownQj7QZpgr9Uw(CommandBuffer* buf, uint32_t mode,
uint32_t value);
uint32_t* KYTY_SYSV_ABI GraphicsDcbContextStateOp(CommandBuffer* buf, uint32_t operation);
uint64_t KYTY_SYSV_ABI GraphicsDcbContextStateOpGetSize(uint32_t operation);
uint64_t KYTY_SYSV_ABI GraphicsGetIsTrinityMode();
uint32_t KYTY_SYSV_ABI GraphicsDriverGetDefaultOwner();
src/libs/libGraphicsDriver.cpp
+2 -1
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@@ -178,7 +178,8 @@ LIB_DEFINE(InitGraphicsDriver_1) {
LIB_FUNC("bxca0BK4FNg", Gen5::GraphicsUnknownJumpPatchSetTarget);
LIB_FUNC("2BS4EtAaF28", Gen5::GraphicsJumpPatchSetTarget);
LIB_FUNC("h9z6+0hEydk", Gen5::GraphicsSuspendPoint);
LIB_FUNC("qj7QZpgr9Uw", Gen5::GraphicsUnknownQj7QZpgr9Uw);
LIB_FUNC("qj7QZpgr9Uw", Gen5::GraphicsDcbContextStateOp);
LIB_FUNC("H6vHS5cidSA", Gen5::GraphicsDcbContextStateOpGetSize);
LIB_FUNC("BfBDZGbti7A", Gen5::GraphicsGetIsTrinityMode);
LIB_FUNC("dbOlWdppb4o", LibGen5::Graphics5UnknownDb);