1 files changed, 142 insertions, 0 deletions
diff --git a/xbmc/guilib/GUIShaderDX.h b/xbmc/guilib/GUIShaderDX.h
new file mode 100644
index 0000000..7b6a170
--- /dev/null
+++ b/xbmc/guilib/GUIShaderDX.h
@@ -0,0 +1,142 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "D3DResource.h"
+#include "Texture.h"
+#include "utils/Geometry.h"
+#include "utils/MemUtils.h"
+
+#include <DirectXMath.h>
+#include <wrl/client.h>
+
+struct Vertex {
+  Vertex() {}
+
+  Vertex(DirectX::XMFLOAT3 p, DirectX::XMFLOAT4 c)
+    : pos(p), color(c) {}
+
+  Vertex(DirectX::XMFLOAT3 p, DirectX::XMFLOAT4 c, DirectX::XMFLOAT2 t1, DirectX::XMFLOAT2 t2)
+    : pos(p), color(c), texCoord(t1), texCoord2(t2) {}
+
+  DirectX::XMFLOAT3 pos;
+  DirectX::XMFLOAT4 color;
+  DirectX::XMFLOAT2 texCoord;
+  DirectX::XMFLOAT2 texCoord2;
+};
+
+class ID3DResource;
+
+class CGUIShaderDX
+{
+public:
+  CGUIShaderDX();
+  ~CGUIShaderDX();
+
+  bool Initialize();
+  void Begin(unsigned int flags);
+  void End(void);
+  void ApplyStateBlock(void);
+  void RestoreBuffers(void);
+
+  void SetShaderViews(unsigned int numViews, ID3D11ShaderResourceView** views);
+  void SetViewPort(D3D11_VIEWPORT viewPort);
+
+  void XM_CALLCONV GetWVP(DirectX::XMMATRIX &w, DirectX::XMMATRIX &v, DirectX::XMMATRIX &p)
+  {
+    w = m_cbWorldViewProj.world;
+    v = m_cbWorldViewProj.view;
+    p = m_cbWorldViewProj.projection;
+  }
+  DirectX::XMMATRIX XM_CALLCONV GetWorld() const { return m_cbWorldViewProj.world; }
+  DirectX::XMMATRIX XM_CALLCONV GetView() const { return m_cbWorldViewProj.view; }
+  DirectX::XMMATRIX XM_CALLCONV GetProjection() const { return m_cbWorldViewProj.projection; }
+  void XM_CALLCONV SetWVP(const DirectX::XMMATRIX &w, const DirectX::XMMATRIX &v, const DirectX::XMMATRIX &p);
+  void XM_CALLCONV SetWorld(const DirectX::XMMATRIX &value);
+  void XM_CALLCONV SetView(const DirectX::XMMATRIX &value);
+  void XM_CALLCONV SetProjection(const DirectX::XMMATRIX &value);
+  void Project(float &x, float &y, float &z);
+
+  void DrawQuad(Vertex& v1, Vertex& v2, Vertex& v3, Vertex& v4);
+  void DrawIndexed(unsigned int indexCount, unsigned int startIndex, unsigned int startVertex);
+  void Draw(unsigned int vertexCount, unsigned int startVertex);
+
+  bool  HardwareClipIsPossible(void) const { return m_clipPossible; }
+  float GetClipXFactor(void) const { return m_clipXFactor;  }
+  float GetClipXOffset(void) const { return m_clipXOffset;  }
+  float GetClipYFactor(void) const { return m_clipYFactor;  }
+  float GetClipYOffset(void) const { return m_clipYOffset;  }
+
+  // need to use aligned allocation because we use XMMATRIX in structures.
+  void* operator new (size_t size)
+  {
+    void* ptr = KODI::MEMORY::AlignedMalloc(size, __alignof(CGUIShaderDX));
+    if (!ptr)
+      throw std::bad_alloc();
+    return ptr;
+  }
+  // free aligned memory.
+  void operator delete (void* ptr)
+  {
+    KODI::MEMORY::AlignedFree(ptr);
+  }
+
+private:
+  struct cbWorldViewProj
+  {
+    DirectX::XMMATRIX world;
+    DirectX::XMMATRIX view;
+    DirectX::XMMATRIX projection;
+  };
+  struct cbViewPort
+  {
+    float TopLeftX;
+    float TopLeftY;
+    float Width;
+    float Height;
+  };
+  struct cbWorld
+  {
+    DirectX::XMMATRIX wvp;
+    float blackLevel;
+    float colorRange;
+    float sdrPeakLum;
+    int PQ;
+  };
+
+  void Release(void);
+  bool CreateBuffers(void);
+  bool CreateSamplers(void);
+  void ApplyChanges(void);
+  void ClipToScissorParams(void);
+
+  // GUI constants
+  cbViewPort m_cbViewPort = {};
+  cbWorldViewProj m_cbWorldViewProj = {};
+
+  bool  m_bCreated;
+  size_t m_currentShader;
+  CD3DVertexShader m_vertexShader;
+  CD3DPixelShader m_pixelShader[SHADER_METHOD_RENDER_COUNT];
+  Microsoft::WRL::ComPtr<ID3D11SamplerState> m_pSampLinear;
+
+  // GUI buffers
+  bool m_bIsWVPDirty;
+  bool m_bIsVPDirty;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_pWVPBuffer;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_pVPBuffer;
+  Microsoft::WRL::ComPtr<ID3D11Buffer> m_pVertexBuffer;
+
+  // clip to scissors params
+  bool m_clipPossible;
+  float m_clipXFactor;
+  float m_clipXOffset;
+  float m_clipYFactor;
+  float m_clipYOffset;
+};