VideoCommon: add logic to handle a GraphicsMod while Dolphin is running

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/MoveAction.cpp

@@ -0,0 +1,47 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModSystem/Runtime/Actions/MoveAction.h"
+
+std::unique_ptr<MoveAction> MoveAction::Create(const picojson::value& json_data)
+{
+  Common::Vec3 position_offset;
+  const auto& x = json_data.get("X");
+  if (x.is<double>())
+  {
+    position_offset.x = static_cast<float>(x.get<double>());
+  }
+
+  const auto& y = json_data.get("Y");
+  if (y.is<double>())
+  {
+    position_offset.y = static_cast<float>(y.get<double>());
+  }
+
+  const auto& z = json_data.get("Z");
+  if (z.is<double>())
+  {
+    position_offset.z = static_cast<float>(z.get<double>());
+  }
+  return std::make_unique<MoveAction>(position_offset);
+}
+
+MoveAction::MoveAction(Common::Vec3 position_offset) : m_position_offset(position_offset)
+{
+}
+
+void MoveAction::OnProjection(Common::Matrix44* matrix)
+{
+  if (!matrix)
+    return;
+
+  *matrix *= Common::Matrix44::Translate(m_position_offset);
+}
+
+void MoveAction::OnProjectionAndTexture(Common::Matrix44* matrix)
+{
+  if (!matrix)
+    return;
+
+  *matrix *= Common::Matrix44::Translate(m_position_offset);
+}

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/MoveAction.h

@@ -0,0 +1,22 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include <picojson.h>
+
+#include "VideoCommon/GraphicsModSystem/Runtime/GraphicsModAction.h"
+
+class MoveAction final : public GraphicsModAction
+{
+public:
+  static std::unique_ptr<MoveAction> Create(const picojson::value& json_data);
+  explicit MoveAction(Common::Vec3 position_offset);
+  void OnProjection(Common::Matrix44* matrix) override;
+  void OnProjectionAndTexture(Common::Matrix44* matrix) override;
+
+private:
+  Common::Vec3 m_position_offset;
+};

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/PrintAction.cpp

@@ -0,0 +1,36 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModSystem/Runtime/Actions/PrintAction.h"
+
+#include "Common/Logging/Log.h"
+
+void PrintAction::OnDrawStarted(bool*)
+{
+  INFO_LOG_FMT(VIDEO, "OnDrawStarted Called");
+}
+
+void PrintAction::OnEFB(bool*, u32 texture_width, u32 texture_height, u32* scaled_width,
+                        u32* scaled_height)
+{
+  if (!scaled_width || !scaled_height)
+    return;
+
+  INFO_LOG_FMT(VIDEO, "OnEFB Called. Original [{}, {}], Scaled [{}, {}]", texture_width,
+               texture_height, *scaled_width, *scaled_height);
+}
+
+void PrintAction::OnProjection(Common::Matrix44*)
+{
+  INFO_LOG_FMT(VIDEO, "OnProjection Called");
+}
+
+void PrintAction::OnProjectionAndTexture(Common::Matrix44*)
+{
+  INFO_LOG_FMT(VIDEO, "OnProjectionAndTexture Called");
+}
+
+void PrintAction::OnTextureLoad()
+{
+  INFO_LOG_FMT(VIDEO, "OnTextureLoad Called");
+}

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/PrintAction.h

@@ -0,0 +1,17 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "VideoCommon/GraphicsModSystem/Runtime/GraphicsModAction.h"
+
+class PrintAction final : public GraphicsModAction
+{
+public:
+  void OnDrawStarted(bool* skip) override;
+  void OnEFB(bool* skip, u32 texture_width, u32 texture_height, u32* scaled_width,
+             u32* scaled_height) override;
+  void OnProjection(Common::Matrix44* matrix) override;
+  void OnProjectionAndTexture(Common::Matrix44* matrix) override;
+  void OnTextureLoad() override;
+};

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/ScaleAction.cpp

@@ -0,0 +1,59 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModSystem/Runtime/Actions/ScaleAction.h"
+
+std::unique_ptr<ScaleAction> ScaleAction::Create(const picojson::value& json_data)
+{
+  Common::Vec3 scale;
+  const auto& x = json_data.get("X");
+  if (x.is<double>())
+  {
+    scale.x = static_cast<float>(x.get<double>());
+  }
+
+  const auto& y = json_data.get("Y");
+  if (y.is<double>())
+  {
+    scale.y = static_cast<float>(y.get<double>());
+  }
+
+  const auto& z = json_data.get("Z");
+  if (z.is<double>())
+  {
+    scale.z = static_cast<float>(z.get<double>());
+  }
+  return std::make_unique<ScaleAction>(scale);
+}
+
+ScaleAction::ScaleAction(Common::Vec3 scale) : m_scale(scale)
+{
+}
+
+void ScaleAction::OnEFB(bool*, u32 texture_width, u32 texture_height, u32* scaled_width,
+                        u32* scaled_height)
+{
+  if (scaled_width && m_scale.x > 0)
+    *scaled_width = texture_width * m_scale.x;
+
+  if (scaled_height && m_scale.y > 0)
+    *scaled_height = texture_height * m_scale.y;
+}
+
+void ScaleAction::OnProjection(Common::Matrix44* matrix)
+{
+  if (!matrix)
+    return;
+  auto& the_matrix = *matrix;
+  the_matrix.data[0] = the_matrix.data[0] * m_scale.x;
+  the_matrix.data[5] = the_matrix.data[5] * m_scale.y;
+}
+
+void ScaleAction::OnProjectionAndTexture(Common::Matrix44* matrix)
+{
+  if (!matrix)
+    return;
+  auto& the_matrix = *matrix;
+  the_matrix.data[0] = the_matrix.data[0] * m_scale.x;
+  the_matrix.data[5] = the_matrix.data[5] * m_scale.y;
+}

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/ScaleAction.h

@@ -0,0 +1,24 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <memory>
+
+#include <picojson.h>
+
+#include "VideoCommon/GraphicsModSystem/Runtime/GraphicsModAction.h"
+
+class ScaleAction final : public GraphicsModAction
+{
+public:
+  static std::unique_ptr<ScaleAction> Create(const picojson::value& json_data);
+  explicit ScaleAction(Common::Vec3 scale);
+  void OnEFB(bool* skip, u32 texture_width, u32 texture_height, u32* scaled_width,
+             u32* scaled_height) override;
+  void OnProjection(Common::Matrix44* matrix) override;
+  void OnProjectionAndTexture(Common::Matrix44* matrix) override;
+
+private:
+  Common::Vec3 m_scale;
+};

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/SkipAction.cpp

@@ -0,0 +1,20 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "VideoCommon/GraphicsModSystem/Runtime/Actions/SkipAction.h"
+
+void SkipAction::OnDrawStarted(bool* skip)
+{
+  if (!skip)
+    return;
+
+  *skip = true;
+}
+
+void SkipAction::OnEFB(bool* skip, u32, u32, u32*, u32*)
+{
+  if (!skip)
+    return;
+
+  *skip = true;
+}

Source/Core/VideoCommon/GraphicsModSystem/Runtime/Actions/SkipAction.h

@@ -0,0 +1,14 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "VideoCommon/GraphicsModSystem/Runtime/GraphicsModAction.h"
+
+class SkipAction final : public GraphicsModAction
+{
+public:
+  void OnDrawStarted(bool* skip) override;
+  void OnEFB(bool* skip, u32 texture_width, u32 texture_height, u32* scaled_width,
+             u32* scaled_height) override;
+};