add one time log for BDA

src/graphics/host_gpu/renderer/renderContext.cpp

@@ -119,6 +119,10 @@ void RenderContext::UnmapMemory(uint64_t vaddr, uint64_t size) {
 }
 
 void RenderContext::PrepareBda() {
+	if (!m_bda_logged) {
+		Log::WriteToConsoleAndLog("GPU: using buffer device address (BDA) shader memory access.\n");
+		m_bda_logged = true;
+	}
 	std::shared_lock lock(m_mapped_ranges_mutex);
 	m_mapped_ranges.ForEach([this](uint64_t start, uint64_t end) {
 		m_buffer_cache.SynchronizeBuffersInRange(start, end - start);

src/graphics/host_gpu/renderer/renderContext.h

@@ -81,6 +81,7 @@ private:
 	std::unique_ptr<GuestGpu> m_gpu;
 	VideoOut::VideoOutDriver* m_video_out = nullptr;
 	bool                      m_fault_process_pending = false;
+	bool                      m_bda_logged = false;
 
 	Common::Mutex                        m_interrupt_mutex;
 	std::vector<InterruptEqRegistration> m_interrupt_eqs;