rsx: Compile shaders when CELL is not running

rpcs3/Emu/Cell/PPUModule.cpp

@@ -813,7 +813,6 @@ void try_spawn_ppu_if_exclusive_program(const ppu_module& m)
 
 		auto ppu = idm::make_ptr<named_thread<ppu_thread>>("PPU[0x1000000] Thread (test_thread)", p, "test_thread", 0);
 
-		ppu->cmd_push({ppu_cmd::initialize, 0});
 		ppu->cia = m.funcs[0].addr;
 
 		// For kernel explorer

rpcs3/Emu/Cell/PPUThread.cpp

@@ -943,7 +943,15 @@ void ppu_thread::cpu_task()
 		}
 		case ppu_cmd::initialize:
 		{
-			cmd_pop(), ppu_initialize(), spu_cache::initialize();
+			cmd_pop();
+
+			while (!g_fxo->get<rsx::thread>().is_inited && !is_stopped())
+			{
+				// Wait for RSX to be initialized
+				thread_ctrl::wait_on(g_fxo->get<rsx::thread>().is_inited, false);
+			}
+
+			ppu_initialize(), spu_cache::initialize();
 			break;
 		}
 		case ppu_cmd::sleep:

rpcs3/Emu/RSX/RSXThread.cpp

@@ -506,27 +506,12 @@ namespace rsx
 
 	void thread::cpu_task()
 	{
+		while (Emu.IsReady())
 		{
-			// Wait for startup (TODO)
-			while (m_rsx_thread_exiting)
-			{
-				// Wait for external pause events
-				if (external_interrupt_lock)
-				{
-					wait_pause();
-				}
-
 			thread_ctrl::wait_for(1000);
-
-				if (is_stopped())
-				{
-					return;
-				}
 		}
 
 		on_task();
-		}
-
 		on_exit();
 	}
 
@@ -548,7 +533,7 @@ namespace rsx
 		g_tls_log_prefix = []
 		{
 			const auto rsx = get_current_renderer();
-			return fmt::format("RSX [0x%07x]", +rsx->ctrl->get);
+			return fmt::format("RSX [0x%07x]", rsx->ctrl ? +rsx->ctrl->get : 0);
 		};
 
 		method_registers.init();
@@ -558,12 +543,42 @@ namespace rsx
 		g_fxo->get<rsx::dma_manager>().init();
 		on_init_thread();
 
+		is_inited = true;
+		is_inited.notify_all();
+
 		if (!zcull_ctrl)
 		{
 			//Backend did not provide an implementation, provide NULL object
 			zcull_ctrl = std::make_unique<::rsx::reports::ZCULL_control>();
 		}
 
+		performance_counters.state = FIFO_state::empty;
+
+		// Wait for startup (TODO)
+		while (m_rsx_thread_exiting)
+		{
+			// Wait for external pause events
+			if (external_interrupt_lock)
+			{
+				wait_pause();
+			}
+
+			// Execute backend-local tasks first
+			do_local_task(performance_counters.state);
+
+			// Update sub-units
+			zcull_ctrl->update(this);
+
+			if (is_stopped())
+			{
+				return;
+			}
+
+			thread_ctrl::wait_for(1000);
+		}
+
+		performance_counters.state = FIFO_state::running;
+
 		fifo_ctrl = std::make_unique<::rsx::FIFO::FIFO_control>(this);
 
 		last_flip_time = get_system_time() - 1000000;
@@ -644,9 +659,6 @@ namespace rsx
 			thread_ctrl::set_thread_affinity_mask(thread_ctrl::get_affinity_mask(thread_class::rsx));
 		}
 
-		// Round to nearest to deal with forward/reverse scaling
-		fesetround(FE_TONEAREST);
-
 		while (!test_stopped())
 		{
 			// Wait for external pause events

rpcs3/Emu/RSX/RSXThread.h

@@ -649,6 +649,7 @@ namespace rsx
 		u32 dbg_step_pc = 0;
 		atomic_t<u32> external_interrupt_lock{ 0 };
 		atomic_t<bool> external_interrupt_ack{ false };
+		atomic_t<bool> is_inited{ false };
 		bool is_fifo_idle() const;
 		void flush_fifo();
 		void recover_fifo();