yuzu: Remove Maxwell debugger

This was carried from Citra and wasn't really used on yuzu. It also adds
some runtime overhead. This commit removes it from yuzu's codebase.

2 files changed, 0 insertions, 206 deletions

diff --git a/src/video_core/debug_utils/debug_utils.cpp b/src/video_core/debug_utils/debug_utils.cpp
deleted file mode 100644
index f0ef67535..000000000
--- a/src/video_core/debug_utils/debug_utils.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
-// Refer to the license.txt file included.
-
-#include <mutex>
-
-#include "video_core/debug_utils/debug_utils.h"
-
-namespace Tegra {
-
-void DebugContext::DoOnEvent(Event event, void* data) {
-    {
-        std::unique_lock lock{breakpoint_mutex};
-
-        // TODO(Subv): Commit the rasterizer's caches so framebuffers, render targets, etc. will
-        // show on debug widgets
-
-        // TODO: Should stop the CPU thread here once we multithread emulation.
-
-        active_breakpoint = event;
-        at_breakpoint = true;
-
-        // Tell all observers that we hit a breakpoint
-        for (auto& breakpoint_observer : breakpoint_observers) {
-            breakpoint_observer->OnMaxwellBreakPointHit(event, data);
-        }
-
-        // Wait until another thread tells us to Resume()
-        resume_from_breakpoint.wait(lock, [&] { return !at_breakpoint; });
-    }
-}
-
-void DebugContext::Resume() {
-    {
-        std::lock_guard lock{breakpoint_mutex};
-
-        // Tell all observers that we are about to resume
-        for (auto& breakpoint_observer : breakpoint_observers) {
-            breakpoint_observer->OnMaxwellResume();
-        }
-
-        // Resume the waiting thread (i.e. OnEvent())
-        at_breakpoint = false;
-    }
-
-    resume_from_breakpoint.notify_one();
-}
-
-} // namespace Tegra
diff --git a/src/video_core/debug_utils/debug_utils.h b/src/video_core/debug_utils/debug_utils.h
deleted file mode 100644
index ac3a2eb01..000000000
--- a/src/video_core/debug_utils/debug_utils.h
+++ /dev/null
@@ -1,157 +0,0 @@
-// Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <condition_variable>
-#include <list>
-#include <memory>
-#include <mutex>
-
-namespace Tegra {
-
-class DebugContext {
-public:
-    enum class Event {
-        FirstEvent = 0,
-
-        MaxwellCommandLoaded = FirstEvent,
-        MaxwellCommandProcessed,
-        IncomingPrimitiveBatch,
-        FinishedPrimitiveBatch,
-
-        NumEvents
-    };
-
-    /**
-     * Inherit from this class to be notified of events registered to some debug context.
-     * Most importantly this is used for our debugger GUI.
-     *
-     * To implement event handling, override the OnMaxwellBreakPointHit and OnMaxwellResume methods.
-     * @warning All BreakPointObservers need to be on the same thread to guarantee thread-safe state
-     * access
-     * @todo Evaluate an alternative interface, in which there is only one managing observer and
-     * multiple child observers running (by design) on the same thread.
-     */
-    class BreakPointObserver {
-    public:
-        /// Constructs the object such that it observes events of the given DebugContext.
-        explicit BreakPointObserver(std::shared_ptr<DebugContext> debug_context)
-            : context_weak(debug_context) {
-            std::unique_lock lock{debug_context->breakpoint_mutex};
-            debug_context->breakpoint_observers.push_back(this);
-        }
-
-        virtual ~BreakPointObserver() {
-            auto context = context_weak.lock();
-            if (context) {
-                {
-                    std::unique_lock lock{context->breakpoint_mutex};
-                    context->breakpoint_observers.remove(this);
-                }
-
-                // If we are the last observer to be destroyed, tell the debugger context that
-                // it is free to continue. In particular, this is required for a proper yuzu
-                // shutdown, when the emulation thread is waiting at a breakpoint.
-                if (context->breakpoint_observers.empty())
-                    context->Resume();
-            }
-        }
-
-        /**
-         * Action to perform when a breakpoint was reached.
-         * @param event Type of event which triggered the breakpoint
-         * @param data Optional data pointer (if unused, this is a nullptr)
-         * @note This function will perform nothing unless it is overridden in the child class.
-         */
-        virtual void OnMaxwellBreakPointHit(Event event, void* data) {}
-
-        /**
-         * Action to perform when emulation is resumed from a breakpoint.
-         * @note This function will perform nothing unless it is overridden in the child class.
-         */
-        virtual void OnMaxwellResume() {}
-
-    protected:
-        /**
-         * Weak context pointer. This need not be valid, so when requesting a shared_ptr via
-         * context_weak.lock(), always compare the result against nullptr.
-         */
-        std::weak_ptr<DebugContext> context_weak;
-    };
-
-    /**
-     * Simple structure defining a breakpoint state
-     */
-    struct BreakPoint {
-        bool enabled = false;
-    };
-
-    /**
-     * Static constructor used to create a shared_ptr of a DebugContext.
-     */
-    static std::shared_ptr<DebugContext> Construct() {
-        return std::shared_ptr<DebugContext>(new DebugContext);
-    }
-
-    /**
-     * Used by the emulation core when a given event has happened. If a breakpoint has been set
-     * for this event, OnEvent calls the event handlers of the registered breakpoint observers.
-     * The current thread then is halted until Resume() is called from another thread (or until
-     * emulation is stopped).
-     * @param event Event which has happened
-     * @param data Optional data pointer (pass nullptr if unused). Needs to remain valid until
-     * Resume() is called.
-     */
-    void OnEvent(Event event, void* data) {
-        // This check is left in the header to allow the compiler to inline it.
-        if (!breakpoints[(int)event].enabled)
-            return;
-        // For the rest of event handling, call a separate function.
-        DoOnEvent(event, data);
-    }
-
-    void DoOnEvent(Event event, void* data);
-
-    /**
-     * Resume from the current breakpoint.
-     * @warning Calling this from the same thread that OnEvent was called in will cause a deadlock.
-     * Calling from any other thread is safe.
-     */
-    void Resume();
-
-    /**
-     * Delete all set breakpoints and resume emulation.
-     */
-    void ClearBreakpoints() {
-        for (auto& bp : breakpoints) {
-            bp.enabled = false;
-        }
-        Resume();
-    }
-
-    // TODO: Evaluate if access to these members should be hidden behind a public interface.
-    std::array<BreakPoint, static_cast<int>(Event::NumEvents)> breakpoints;
-    Event active_breakpoint{};
-    bool at_breakpoint = false;
-
-private:
-    /**
-     * Private default constructor to make sure people always construct this through Construct()
-     * instead.
-     */
-    DebugContext() = default;
-
-    /// Mutex protecting current breakpoint state and the observer list.
-    std::mutex breakpoint_mutex;
-
-    /// Used by OnEvent to wait for resumption.
-    std::condition_variable resume_from_breakpoint;
-
-    /// List of registered observers
-    std::list<BreakPointObserver*> breakpoint_observers;
-};
-
-} // namespace Tegra