GS: Add Render Pass stats

pcsx2/GS/GS.cpp

@@ -748,12 +748,13 @@ void GSgetStats(std::string& info)
 	}
 	else
 	{
-		fmt::format_to(std::back_inserter(info), "{} HW | {} P | {} D | {} DC | {} B | {} RB | {} TC | {} TU",
+		fmt::format_to(std::back_inserter(info), "{} HW | {} P | {} D | {} DC | {} B | {} RP | {} RB | {} TC | {} TU",
 			api_name,
 			(int)pm.Get(GSPerfMon::Prim),
 			(int)pm.Get(GSPerfMon::Draw),
 			(int)std::ceil(pm.Get(GSPerfMon::DrawCalls)),
 			(int)std::ceil(pm.Get(GSPerfMon::Barriers)),
+			(int)std::ceil(pm.Get(GSPerfMon::RenderPasses)),
 			(int)std::ceil(pm.Get(GSPerfMon::Readbacks)),
 			(int)std::ceil(pm.Get(GSPerfMon::TextureCopies)),
 			(int)std::ceil(pm.Get(GSPerfMon::TextureUploads)));

pcsx2/GS/GSPerfMon.h

@@ -27,9 +27,9 @@ public:
 		Swizzle,
 		Unswizzle,
 		Fillrate,
-		Quad,
 		SyncPoint,
 		Barriers,
+		RenderPasses,
 		CounterLast,
 
 		// Reused counters for HW.

pcsx2/GS/Renderers/DX11/GSDevice11.cpp

@@ -885,6 +885,8 @@ GSDevice::PresentResult GSDevice11::BeginPresent(bool frame_skip)
 		m_state.dsv = nullptr;
 	}
 
+	g_perfmon.Put(GSPerfMon::RenderPasses, 1);
+
 	const GSVector2i size = GetWindowSize();
 	SetViewport(size);
 	SetScissor(GSVector4i::loadh(size));
@@ -2063,6 +2065,8 @@ void GSDevice11::OMSetRenderTargets(GSTexture* rt, GSTexture* ds, const GSVector
 	if (ds) dsv = *(GSTexture11*)ds;
 
 	const bool changed = (m_state.rt_view != rtv || m_state.dsv != dsv);
+	g_perfmon.Put(GSPerfMon::RenderPasses, static_cast<double>(changed));
+
 	if (m_state.rt_view != rtv)
 	{
 		if (m_state.rt_view)

pcsx2/GS/Renderers/DX12/GSDevice12.cpp

@@ -538,6 +538,7 @@ GSDevice::PresentResult GSDevice12::BeginPresent(bool frame_skip)
 	swap_chain_buf.TransitionToState(cmdlist, D3D12_RESOURCE_STATE_RENDER_TARGET);
 	cmdlist->ClearRenderTargetView(swap_chain_buf.GetWriteDescriptor(), clear_color.data(), 0, nullptr);
 	cmdlist->OMSetRenderTargets(1, &swap_chain_buf.GetWriteDescriptor().cpu_handle, FALSE, nullptr);
+	g_perfmon.Put(GSPerfMon::RenderPasses, 1);
 
 	const D3D12_VIEWPORT vp{0.0f, 0.0f, static_cast<float>(m_window_info.surface_width),
 		static_cast<float>(m_window_info.surface_height), 0.0f, 1.0f};
@@ -2746,11 +2747,15 @@ void GSDevice12::EndRenderPass()
 	if (!m_in_render_pass)
 		return;
 
-	g_d3d12_context->GetCommandList()->EndRenderPass();
 	m_in_render_pass = false;
 
 	// to render again, we need to reset OM
 	m_dirty_flags |= DIRTY_FLAG_RENDER_TARGET;
+
+	g_perfmon.Put(GSPerfMon::RenderPasses, 1);
+
+	g_d3d12_context->GetCommandList()->EndRenderPass();
+
 }
 
 void GSDevice12::SetViewport(const D3D12_VIEWPORT& viewport)

pcsx2/GS/Renderers/Metal/GSDeviceMTL.mm

@@ -371,6 +371,7 @@ void GSDeviceMTL::EndRenderPass()
 	if (m_current_render.encoder)
 	{
 		EndDebugGroup(m_current_render.encoder);
+		g_perfmon.Put(GSPerfMon::RenderPasses, 1);
 		if (m_spin_timer)
 			[m_current_render.encoder updateFence:m_spin_fence afterStages:MTLRenderStageFragment];
 		[m_current_render.encoder endEncoding];

pcsx2/GS/Renderers/OpenGL/GSDeviceOGL.cpp

@@ -2156,6 +2156,8 @@ void GSDeviceOGL::OMSetRenderTargets(GSTexture* rt, GSTexture* ds, const GSVecto
 	GSTextureOGL* RT = static_cast<GSTextureOGL*>(rt);
 	GSTextureOGL* DS = static_cast<GSTextureOGL*>(ds);
 
+	g_perfmon.Put(GSPerfMon::RenderPasses, static_cast<double>(GLState::rt != RT || GLState::ds != DS));
+
 	OMSetFBO(m_fbo);
 	if (rt)
 	{

pcsx2/GS/Renderers/Vulkan/GSDeviceVK.cpp

@@ -475,6 +475,7 @@ void GSDeviceVK::EndPresent()
 	VkCommandBuffer cmdbuffer = g_vulkan_context->GetCurrentCommandBuffer();
 	vkCmdEndRenderPass(g_vulkan_context->GetCurrentCommandBuffer());
 	m_swap_chain->GetCurrentTexture().TransitionToLayout(cmdbuffer, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+	g_perfmon.Put(GSPerfMon::RenderPasses, 1);
 
 	g_vulkan_context->SubmitCommandBuffer(m_swap_chain.get(), !m_swap_chain->IsPresentModeSynchronizing());
 	g_vulkan_context->MoveToNextCommandBuffer();
@@ -3100,9 +3101,10 @@ void GSDeviceVK::EndRenderPass()
 	if (m_current_render_pass == VK_NULL_HANDLE)
 		return;
 
-	vkCmdEndRenderPass(g_vulkan_context->GetCurrentCommandBuffer());
-
 	m_current_render_pass = VK_NULL_HANDLE;
+	g_perfmon.Put(GSPerfMon::RenderPasses, 1);
+
+	vkCmdEndRenderPass(g_vulkan_context->GetCurrentCommandBuffer());
 }
 
 void GSDeviceVK::SetViewport(const VkViewport& viewport)