Add renderdoc API support (#585)

* Add renderdoc API support

* FIx renderdoc include directory

* Fix RenderDoc linking

* Fix Renderdoc linking (again)

* Maybe fix renderdoc

include/renderdoc.hpp

@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+#include <string>
+
+#include "helpers.hpp"
+
+#ifdef PANDA3DS_ENABLE_RENDERDOC
+namespace Renderdoc {
+	// Loads renderdoc dynamic library module.
+	void loadRenderdoc();
+
+	// Begins a capture if a renderdoc instance is attached.
+	void startCapture();
+
+	// Ends current renderdoc capture.
+	void endCapture();
+
+	// Triggers capturing process.
+	void triggerCapture();
+
+	// Sets output directory for captures
+	void setOutputDir(const std::string& path, const std::string& prefix);
+
+	// Returns whether we've compiled with Renderdoc support
+	static constexpr bool isSupported() { return true; }
+}  // namespace Renderdoc
+#else
+namespace Renderdoc {
+	static void loadRenderdoc() {}
+	static void startCapture() { Helpers::panic("Tried to start a Renderdoc capture while support for renderdoc is disabled") }
+	static void endCapture() { Helpers::panic("Tried to end a Renderdoc capture while support for renderdoc is disabled") }
+	static void triggerCapture() { Helpers::panic("Tried to trigger a Renderdoc capture while support for renderdoc is disabled") }
+	static void setOutputDir(const std::string& path, const std::string& prefix) {}
+	static constexpr bool isSupported() { return false; }
+}  // namespace Renderdoc
+#endif