From a857af008dbb9cd0d55ce0f3132c50cc6a9a5c4c Mon Sep 17 00:00:00 2001
From: Mr-Wiseguy <mrwiseguyromhacking@gmail.com>
Date: Fri, 9 Jan 2026 17:07:09 -0500
Subject: [PATCH] Add functionality needed for HFR launcher

---
 ultramodern/include/ultramodern/config.hpp      |  5 +++++
 .../include/ultramodern/renderer_context.hpp    |  1 +
 ultramodern/src/events.cpp                      | 17 +++++++++++------
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/ultramodern/include/ultramodern/config.hpp b/ultramodern/include/ultramodern/config.hpp
index a8cd8e0..2f22456 100644
--- a/ultramodern/include/ultramodern/config.hpp
+++ b/ultramodern/include/ultramodern/config.hpp
@@ -57,6 +57,11 @@ namespace ultramodern {
             Off,
             OptionCount
         };
+        enum class PresentationMode {
+            Console,
+            SkipBuffering,
+            PresentEarly
+        };
 
         class GraphicsConfig {
         public:
diff --git a/ultramodern/include/ultramodern/renderer_context.hpp b/ultramodern/include/ultramodern/renderer_context.hpp
index 43032ea..d60c4ec 100644
--- a/ultramodern/include/ultramodern/renderer_context.hpp
+++ b/ultramodern/include/ultramodern/renderer_context.hpp
@@ -84,6 +84,7 @@ namespace ultramodern {
 
                 virtual void enable_instant_present() = 0;
                 virtual void send_dl(const OSTask* task) = 0;
+                virtual void send_dummy_workload(uint32_t fb_address) = 0;
                 virtual void update_screen() = 0;
                 virtual void shutdown() = 0;
                 virtual uint32_t get_display_framerate() const = 0;
diff --git a/ultramodern/src/events.cpp b/ultramodern/src/events.cpp
index 1cd7907..090cc42 100644
--- a/ultramodern/src/events.cpp
+++ b/ultramodern/src/events.cpp
@@ -35,7 +35,11 @@ struct ScreenUpdateAction {
 struct UpdateConfigAction {
 };
 
-using Action = std::variant<SpTaskAction, ScreenUpdateAction, UpdateConfigAction>;
+struct DummyWorkloadAction {
+    int32_t fb_address;
+};
+
+using Action = std::variant<SpTaskAction, ScreenUpdateAction, UpdateConfigAction, DummyWorkloadAction>;
 
 struct ViState {
     const OSViMode* mode;
@@ -214,6 +218,8 @@ void vi_thread_func() {
             static bool odd = false;
             set_dummy_vi(odd);
             odd = !odd;
+
+            events_context.action_queue.enqueue(DummyWorkloadAction{events_context.vi.get_next_state()->framebuffer});
         }
 
         // Queue a screen update for the graphics thread with the current VI register state.
@@ -353,11 +359,6 @@ void gfx_thread_func(uint8_t* rdram, moodycamel::LightweightSemaphore* thread_re
         if (events_context.action_queue.wait_dequeue_timed(action, 1ms)) {
             // Determine the action type and act on it
             if (const auto* task_action = std::get_if<SpTaskAction>(&action)) {
-                // Turn on instant present if the game has been started and it hasn't been turned on yet.
-                if (ultramodern::is_game_started() && !enabled_instant_present) {
-                    renderer_context->enable_instant_present();
-                    enabled_instant_present = true;
-                }
                 // Tell the game that the RSP completed instantly. This will allow it to queue other task types, but it won't
                 // start another graphics task until the RDP is also complete. Games usually preserve the RSP inputs until the RDP
                 // is finished as well, so sending this early shouldn't be an issue in most cases.
@@ -391,6 +392,9 @@ void gfx_thread_func(uint8_t* rdram, moodycamel::LightweightSemaphore* thread_re
                     old_config = new_config;
                 }
             }
+            else if (const auto* dummy_workload_action = std::get_if<DummyWorkloadAction>(&action)) {
+                renderer_context->send_dummy_workload(dummy_workload_action->fb_address);
+            }
         }
     }
 
@@ -442,6 +446,7 @@ static const OSViMode dummy_mode = []() {
 void set_dummy_vi(bool odd) {
     ViState* next_state = events_context.vi.get_next_state();
     next_state->mode = &dummy_mode;
+    next_state->control = next_state->mode->comRegs.ctrl;
     // Set up a dummy framebuffer.
     next_state->framebuffer = 0x80700000;
     if (odd) {