graphics: share EOP clock and immediate write handling

Co-authored-by: Mac <me@itsmemac.com>

src/graphics/guest_gpu/graphicsRun.cpp

@@ -1205,8 +1205,9 @@ void CommandProcessor::WriteAtEndOfPipe(uint32_t cache_policy, uint32_t event_wr
 			}
 			break;
 		case 0x02:
+		case 0x04:
 			if constexpr (sizeof(T) == sizeof(uint32_t)) {
-				if (eop_event_type == 0x2f && event_index == 0x06) {
+				if (event_write_source == 0x02 && eop_event_type == 0x2f && event_index == 0x06) {
 					switch (cache_action) {
 						case 0x00: write32(false); return;
 						case 0x38: write32(true); return;
@@ -1214,6 +1215,9 @@ void CommandProcessor::WriteAtEndOfPipe(uint32_t cache_policy, uint32_t event_wr
 					}
 				}
 			} else {
+				if (event_write_source == 0x04) {
+					value = Sync::ReadReferenceClock();
+				}
 				auto write64 = [&](bool with_writeback) {
 					auto* dst = static_cast<uint64_t*>(dst_gpu_addr);
 					std::memcpy(dst, &value, sizeof(value));
@@ -1270,7 +1274,7 @@ void CommandProcessor::WriteAtEndOfPipe(uint32_t cache_policy, uint32_t event_wr
 							case 0x14:
 							case 0x28:
 								if (((eop_event_type == 0x04 || eop_event_type == 0x28) &&
-								     event_index == 0x05 && !with_interrupt) ||
+								     event_index == 0x05) ||
 								    (event_index == 0x00)) {
 									write64(true);
 									return;
@@ -1302,45 +1306,6 @@ void CommandProcessor::WriteAtEndOfPipe(uint32_t cache_policy, uint32_t event_wr
 				}
 			}
 			break;
-		case 0x04:
-			if constexpr (sizeof(T) == sizeof(uint64_t)) {
-				const auto clock = Sync::ReadReferenceClock();
-				auto*      dst   = static_cast<uint64_t*>(dst_gpu_addr);
-				std::memcpy(dst, &clock, sizeof(clock));
-				switch (cache_action) {
-					case 0x00:
-						if ((eop_event_type == 0x04 && event_index == 0x05) ||
-						    (eop_event_type == 0x28 && event_index == 0x00)) {
-							if (with_interrupt) {
-								Sync::WriteAtEndOfPipeWithInterrupt64(
-								    m_submit_id, command, dst, clock, m_interrupt_event_id,
-								    interrupt_context_id);
-							} else {
-								Sync::WriteAtEndOfPipeClockCounter(m_submit_id, command,
-								                                   dst, clock);
-							}
-							return;
-						}
-						break;
-					case 0x38:
-						if ((eop_event_type == 0x04 &&
-						     (event_index == 0x00 || event_index == 0x05)) ||
-						    (eop_event_type == 0x28 && event_index == 0x00)) {
-							if (with_interrupt) {
-								Sync::WriteAtEndOfPipeWithInterruptWriteBack64(
-								    m_submit_id, command, dst, clock, m_interrupt_event_id,
-								    interrupt_context_id);
-							} else {
-								Sync::WriteAtEndOfPipeClockCounterWithWriteBack(
-								    m_submit_id, command, dst, clock);
-							}
-							return;
-						}
-						break;
-					default: break;
-				}
-			}
-			break;
 		default: break;
 	}
 

src/graphics/host_gpu/renderer/sync.cpp

@@ -112,26 +112,6 @@ void WriteAtEndOfPipe64(uint64_t submit_id, CommandBuffer& buffer, uint64_t* dst
 	                     EndOfPipeWriteSize::Qword, EndOfPipeWriteAction::Write);
 }
 
-void WriteAtEndOfPipeClockCounter(uint64_t submit_id, CommandBuffer& buffer, uint64_t* dst_gpu_addr,
-                                  uint64_t value) {
-	RecordEndOfPipeWrite(submit_id, buffer, reinterpret_cast<uint64_t>(dst_gpu_addr), 0,
-	                     EndOfPipeWriteSize::Qword, EndOfPipeWriteAction::Write);
-
-	LOGF_COLOR(Log::Color::BrightGreen,
-	           "EndOfPipe Signal!!! [0x%016" PRIx64 "] <- Clock: 0x%016" PRIx64 "\n",
-	           reinterpret_cast<uint64_t>(dst_gpu_addr), value);
-}
-
-void WriteAtEndOfPipeClockCounterWithWriteBack(uint64_t submit_id, CommandBuffer& buffer,
-                                               uint64_t* dst_gpu_addr, uint64_t value) {
-	RecordEndOfPipeWrite(submit_id, buffer, reinterpret_cast<uint64_t>(dst_gpu_addr), 0,
-	                     EndOfPipeWriteSize::Qword, EndOfPipeWriteAction::WriteBack);
-
-	LOGF_COLOR(Log::Color::BrightGreen,
-	           "EndOfPipe Signal!!! [0x%016" PRIx64 "] <- Clock: 0x%016" PRIx64 "\n",
-	           reinterpret_cast<uint64_t>(dst_gpu_addr), value);
-}
-
 void WriteAtEndOfPipeWithWriteBack64(uint64_t submit_id, CommandBuffer& buffer,
                                      uint64_t* dst_gpu_addr, uint64_t value) {
 	RecordEndOfPipeWrite(submit_id, buffer, reinterpret_cast<uint64_t>(dst_gpu_addr), value,

src/graphics/host_gpu/renderer/sync.h

@@ -25,10 +25,6 @@ void WriteAtEndOfPipe64(uint64_t submit_id, CommandBuffer& buffer, uint64_t* dst
                         uint64_t value);
 void WriteAtEndOfPipeGds32(uint64_t submit_id, CommandBuffer& buffer, uint32_t* dst_gpu_addr,
                            uint32_t dw_offset, uint32_t dw_num);
-void WriteAtEndOfPipeClockCounter(uint64_t submit_id, CommandBuffer& buffer, uint64_t* dst_gpu_addr,
-                                  uint64_t value);
-void WriteAtEndOfPipeClockCounterWithWriteBack(uint64_t submit_id, CommandBuffer& buffer,
-                                               uint64_t* dst_gpu_addr, uint64_t value);
 void WriteAtEndOfPipeWithWriteBack32(uint64_t submit_id, CommandBuffer& buffer,
                                      uint32_t* dst_gpu_addr, uint32_t value);
 void WriteAtEndOfPipeWithWriteBack64(uint64_t submit_id, CommandBuffer& buffer,

tests/ShaderRecompilerComputeTests.cpp

@@ -2480,6 +2480,22 @@ public:
               cb_db_release_label == 0 &&
               gpu_scheduler.CurrentTick() == cb_db_tick;
 
+          for (const auto gcr : {0u, 1u << 9u}) {
+            const auto before = Sync::ReadReferenceClock();
+            auto timestamp =
+                make_release_mem(3, 0, &cb_db_release_label, UINT64_MAX, 0x14u, gcr);
+            Pm4Execution timestamp_execution;
+            const auto timestamp_result =
+                processor->Process(timestamp_execution, timestamp);
+            Require("GpuCommandLane", "timestamp write",
+                    timestamp_result == Pm4ProcessResult::Complete &&
+                        cb_db_release_label >= before &&
+                        cb_db_release_label <= Sync::ReadReferenceClock() &&
+                        gpu_scheduler.CurrentTick() == cb_db_tick,
+                    "timestamp write failed, returned an invalid time, or "
+                    "submitted extra GPU work");
+          }
+
           auto gds_interrupt_only =
               make_release_mem(5, 1, &interrupt_only_gds_label, 1ull << 16u);
           Pm4Execution gds_interrupt_execution;
@@ -2521,6 +2537,14 @@ public:
       gpu.SendCommandSync([&] {
         processor->BufferInit();
 
+        const auto clock_before = Sync::ReadReferenceClock();
+        processor->WriteAtEndOfPipe64(0, 0, 0x04, 0x38, 5, 4,
+                                     &release_label, UINT64_MAX, 2);
+        Require("GpuCommandLane", "EOP reference clock with interrupt",
+                release_label >= clock_before &&
+                    release_label <= Sync::ReadReferenceClock(),
+                "clock write with writeback and interrupt lost its data");
+
         auto immediate = make_release_mem(1, 0, &release_label, 0x11223344u);
         Pm4Execution immediate_execution;
         const auto immediate_tick = gpu_scheduler.CurrentTick();