VideoCommon: move xf state management to its own class, so changes can be detected in places other than VertexShaderManager

Source/Core/VideoCommon/XFStateManager.h

@@ -0,0 +1,87 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <array>
+
+#include "Common/BitSet.h"
+
+class PointerWrap;
+
+// This class manages how XF state changes over
+// a period of time (typically a single draw call)
+class XFStateManager
+{
+public:
+  void Init();
+  void DoState(PointerWrap& p);
+
+  void InvalidateXFRange(int start, int end);
+
+  void SetTexMatrixChangedA(u32 value);
+  bool DidTexMatrixAChange() const { return m_tex_matrices_changed[0]; }
+  void ResetTexMatrixAChange();
+
+  void SetTexMatrixChangedB(u32 value);
+  bool DidTexMatrixBChange() const { return m_tex_matrices_changed[1]; }
+  void ResetTexMatrixBChange();
+
+  bool DidPosNormalChange() const { return m_pos_normal_matrix_changed; }
+  void ResetPosNormalChange();
+
+  void SetProjectionChanged();
+  bool DidProjectionChange() const { return m_projection_changed; }
+  void ResetProjection();
+
+  void SetViewportChanged();
+  bool DidViewportChange() const { return m_viewport_changed; }
+  void ResetViewportChange();
+
+  void SetTexMatrixInfoChanged(int index);
+  bool DidTexMatrixInfoChange() const { return m_tex_mtx_info_changed; }
+  void ResetTexMatrixInfoChange();
+
+  void SetLightingConfigChanged();
+  bool DidLightingConfigChange() const { return m_lighting_config_changed; }
+  void ResetLightingConfigChange();
+
+  const std::array<int, 2>& GetLightsChanged() const { return m_minmax_lights_changed; }
+  void ResetLightsChanged();
+
+  void SetMaterialColorChanged(int index);
+  const BitSet32& GetMaterialChanges() const { return m_materials_changed; }
+  void ResetMaterialChanges();
+
+  const std::array<int, 2>& GetPerVertexTransformMatrixChanges() const
+  {
+    return m_minmax_transform_matrices_changed;
+  }
+  void ResetPerVertexTransformMatrixChanges();
+
+  const std::array<int, 2>& GetPerVertexNormalMatrixChanges() const
+  {
+    return m_minmax_normal_matrices_changed;
+  }
+  void ResetPerVertexNormalMatrixChanges();
+
+  const std::array<int, 2>& GetPostTransformMatrixChanges() const
+  {
+    return m_minmax_post_transform_matrices_changed;
+  }
+  void ResetPostTransformMatrixChanges();
+
+private:
+  // track changes
+  std::array<bool, 2> m_tex_matrices_changed{};
+  bool m_pos_normal_matrix_changed = false;
+  bool m_projection_changed = false;
+  bool m_viewport_changed = false;
+  bool m_tex_mtx_info_changed = false;
+  bool m_lighting_config_changed = false;
+  BitSet32 m_materials_changed;
+  std::array<int, 2> m_minmax_transform_matrices_changed{};
+  std::array<int, 2> m_minmax_normal_matrices_changed{};
+  std::array<int, 2> m_minmax_post_transform_matrices_changed{};
+  std::array<int, 2> m_minmax_lights_changed{};
+};