rsx: Add stubs for FP rehash checks on barrier acquire

rpcs3/Emu/RSX/Core/RSXDriverState.h

@@ -40,6 +40,10 @@ namespace rsx
 
 		xform_instancing_state_dirty  = (1 << 25), // Transform instancing state has changed
 
+		// TODO - Should signal that we simply need to do a FP compare before the next draw call and invalidate the ucode if the content has changed.
+		// Marking as dirty to invalidate hot cache also works, it's not like there's tons of barriers per frame anyway.
+		fragment_program_needs_rehash = fragment_program_ucode_dirty,
+
 		fragment_program_dirty = fragment_program_ucode_dirty | fragment_program_state_dirty,
 		vertex_program_dirty = vertex_program_ucode_dirty | vertex_program_state_dirty,
 		invalidate_pipeline_bits = fragment_program_dirty | vertex_program_dirty | xform_instancing_state_dirty,

rpcs3/Emu/RSX/NV47/HW/nv406e.cpp

@@ -26,7 +26,7 @@ namespace rsx
 			const u32 addr = get_address(REGS(ctx)->semaphore_offset_406e(), REGS(ctx)->semaphore_context_dma_406e());
 
 			// Syncronization point, may be associated with memory changes without actually changing addresses
-			RSX(ctx)->m_graphics_state |= rsx::pipeline_state::fragment_program_ucode_dirty;
+			RSX(ctx)->m_graphics_state |= rsx::pipeline_state::fragment_program_needs_rehash;
 
 			const auto& sema = vm::_ref<RsxSemaphore>(addr).val;
 

rpcs3/Emu/RSX/NV47/HW/nv47_sync.hpp

@@ -41,12 +41,12 @@ namespace rsx
 
 					if constexpr (FlushPipe)
 					{
+						// Syncronization point, may be associated with memory changes without actually changing addresses
+						RSX(ctx)->m_graphics_state |= rsx::pipeline_state::fragment_program_needs_rehash;
+
 						// Manually flush the pipeline.
 						// It is possible to stream report writes using the host GPU, but that generates too much submit traffic.
 						RSX(ctx)->sync();
-
-						// Syncronization point, may be associated with memory changes without actually changing addresses
-						RSX(ctx)->m_graphics_state |= rsx::pipeline_state::fragment_program_ucode_dirty;
 					}
 				}