Revert "Refresh rate driven rendering tick logic (#3375)"

This reverts commit db63dcbcd9.

Signed-off-by: nvsickle <nvsickle@amazon.com>

Code/Editor/Core/QtEditorApplication.cpp

@@ -44,7 +44,7 @@ enum
 {
     // in milliseconds
     GameModeIdleFrequency = 0,
-    EditorModeIdleFrequency = 0,
+    EditorModeIdleFrequency = 1,
     InactiveModeFrequency = 10,
     UninitializedFrequency = 9999,
 };

Code/Editor/TrackView/SequenceBatchRenderDialog.cpp

@@ -36,9 +36,6 @@
 #include "CryEdit.h"
 #include "Viewport.h"
 
-// Atom Renderer
-#include <Atom/RPI.Public/RPISystemInterface.h>
-
 AZ_PUSH_DISABLE_DLL_EXPORT_MEMBER_WARNING
 #include <TrackView/ui_SequenceBatchRenderDialog.h>
 AZ_POP_DISABLE_DLL_EXPORT_MEMBER_WARNING
@@ -1237,13 +1234,6 @@ void CSequenceBatchRenderDialog::OnKickIdleTimout()
         {
             componentApplication->TickSystem();
         }
-
-        // Directly tick the renderer, as it's no longer part of the system tick
-        if (auto rpiSystem = AZ::RPI::RPISystemInterface::Get())
-        {
-            rpiSystem->SimulationTick();
-            rpiSystem->RenderTick();
-        }
     }
 }
 

Code/Framework/AzCore/AzCore/Component/ComponentApplication.cpp

@@ -74,8 +74,6 @@
 #include <AzCore/Module/Environment.h>
 #include <AzCore/std/string/conversions.h>
 
-AZ_CVAR(float, g_simulation_tick_rate, 0, nullptr, AZ::ConsoleFunctorFlags::Null, "The rate at which the game simulation tick loop runs, or 0 for as fast as possible");
-
 static void PrintEntityName(const AZ::ConsoleCommandContainer& arguments)
 {
     if (arguments.empty())
@@ -1396,23 +1394,6 @@ namespace AZ
                 AZ_PROFILE_SCOPE(AzCore, "ComponentApplication::Tick:OnTick");
                 EBUS_EVENT(TickBus, OnTick, m_deltaTime, ScriptTimePoint(now));
             }
-
-            // If tick rate limiting is on, ensure (1 / g_simulation_tick_rate) ms has elapsed since the last frame,
-            // sleeping if there's still time remaining.
-            if (g_simulation_tick_rate > 0.f)
-            {
-                now = AZStd::chrono::system_clock::now();
-
-                // Work in microsecond durations here as that's the native measurement time for time_point
-                constexpr float microsecondsPerSecond = 1000.f * 1000.f;
-                const AZStd::chrono::microseconds timeBudgetPerTick(static_cast<int>(microsecondsPerSecond / g_simulation_tick_rate));
-                AZStd::chrono::microseconds timeUntilNextTick = m_currentTime + timeBudgetPerTick - now;
-
-                if (timeUntilNextTick.count() > 0)
-                {
-                    AZStd::this_thread::sleep_for(timeUntilNextTick);
-                }
-            }
         }
     }
 

Code/Framework/AzCore/AzCore/Component/TickBus.h

@@ -46,8 +46,6 @@ namespace AZ
 
         TICK_PRE_RENDER     = 750,     ///< Suggested tick handler position to update render-related data.
 
-        TICK_RENDER         = 800,     ///< Suggested tick handler position for rendering.
-
         TICK_DEFAULT        = 1000,    ///< Default tick handler position when the handler is constructed.
 
         TICK_UI             = 2000,    ///< Suggested tick handler position for UI components.