Add m-esr52 at 52.6.0

1 files changed, 353 insertions, 0 deletions

diff --git a/gfx/layers/d3d9/DeviceManagerD3D9.h b/gfx/layers/d3d9/DeviceManagerD3D9.h
new file mode 100644
index 000000000..d27b679ab
--- /dev/null
+++ b/gfx/layers/d3d9/DeviceManagerD3D9.h
@@ -0,0 +1,353 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_DEVICEMANAGERD3D9_H
+#define GFX_DEVICEMANAGERD3D9_H
+
+#include "gfxTypes.h"
+#include "nsAutoPtr.h"
+#include "d3d9.h"
+#include "nsTArray.h"
+#include "mozilla/layers/CompositorTypes.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/gfx/Rect.h"
+
+namespace mozilla {
+namespace layers {
+
+class DeviceManagerD3D9;
+class Nv3DVUtils;
+class Layer;
+class TextureSourceD3D9;
+
+// Shader Constant locations
+const int CBmLayerTransform = 0;
+const int CBmProjection = 4;
+const int CBvRenderTargetOffset = 8;
+const int CBvTextureCoords = 9;
+const int CBvLayerQuad = 10;
+// we don't use opacity with solid color shaders
+const int CBfLayerOpacity = 0;
+const int CBvColor = 0;
+const int CBmYuvColorMatrix = 1;
+
+enum DeviceManagerState {
+  // The device and swap chain are OK.
+  DeviceOK,
+  // The device or swap chain are in a bad state, and we should not render.
+  DeviceFail,
+  // The device is lost and cannot be reset, the user should forget the
+  // current device manager and create a new one.
+  DeviceMustRecreate,
+};
+
+
+/**
+ * This structure is used to pass rectangles to our shader constant. We can use
+ * this for passing rectangular areas to SetVertexShaderConstant. In the format
+ * of a 4 component float(x,y,width,height). Our vertex shader can then use
+ * this to construct rectangular positions from the 0,0-1,1 quad that we source
+ * it with.
+ */
+struct ShaderConstantRect
+{
+  float mX, mY, mWidth, mHeight;
+
+  // Provide all the commonly used argument types to prevent all the local
+  // casts in the code.
+  ShaderConstantRect(float aX, float aY, float aWidth, float aHeight)
+    : mX(aX), mY(aY), mWidth(aWidth), mHeight(aHeight)
+  { }
+
+  ShaderConstantRect(int32_t aX, int32_t aY, int32_t aWidth, int32_t aHeight)
+    : mX((float)aX), mY((float)aY)
+    , mWidth((float)aWidth), mHeight((float)aHeight)
+  { }
+
+  ShaderConstantRect(int32_t aX, int32_t aY, float aWidth, float aHeight)
+    : mX((float)aX), mY((float)aY), mWidth(aWidth), mHeight(aHeight)
+  { }
+
+  // For easy passing to SetVertexShaderConstantF.
+  operator float* () { return &mX; }
+};
+
+/**
+ * SwapChain class, this class manages the swap chain belonging to a
+ * LayerManagerD3D9.
+ */
+class SwapChainD3D9 final
+{
+  NS_INLINE_DECL_REFCOUNTING(SwapChainD3D9)
+public:
+
+  /**
+   * This function will prepare the device this swap chain belongs to for
+   * rendering to this swap chain. Only after calling this function can the
+   * swap chain be drawn to, and only until this function is called on another
+   * swap chain belonging to this device will the device draw to it. Passed in
+   * is the size of the swap chain. If the window size differs from the size
+   * during the last call to this function the swap chain will resize. Note that
+   * in no case does this function guarantee the backbuffer to still have its
+   * old content.
+   */
+  DeviceManagerState PrepareForRendering();
+
+  already_AddRefed<IDirect3DSurface9> GetBackBuffer();
+
+  /**
+   * This function will present the selected rectangle of the swap chain to
+   * its associated window.
+   */
+  void Present(const gfx::IntRect &aRect);
+  void Present();
+
+private:
+  friend class DeviceManagerD3D9;
+
+  SwapChainD3D9(DeviceManagerD3D9 *aDeviceManager);
+
+  // Private destructor, to discourage deletion outside of Release():
+  ~SwapChainD3D9();
+  
+  bool Init(HWND hWnd);
+
+  /**
+   * This causes us to release our swap chain, clearing out our resource usage
+   * so the master device may reset.
+   */
+  void Reset();
+
+  RefPtr<IDirect3DSwapChain9> mSwapChain;
+  RefPtr<DeviceManagerD3D9> mDeviceManager;
+  HWND mWnd;
+};
+
+/**
+ * Device manager, this class is used by the layer managers to share the D3D9
+ * device and create swap chains for the individual windows the layer managers
+ * belong to.
+ */
+class DeviceManagerD3D9 final
+{
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DeviceManagerD3D9)
+
+  /**
+   * Setup or tear down static resources needed for D3D9.
+   */
+  static void Init();
+  static void Shutdown();
+
+  /**
+   * Static accessors and helpers for accessing the global DeviceManagerD3D9
+   * instance.
+   */
+  static RefPtr<DeviceManagerD3D9> Get();
+  static RefPtr<IDirect3DDevice9> GetDevice();
+  static void OnDeviceManagerDestroy(DeviceManagerD3D9* aDeviceManager);
+
+  /**
+   * Sets up the render state for the device for layer rendering.
+   */
+  void SetupRenderState();
+
+  /**
+   * Create a swap chain setup to work with the specified window.
+   */
+  already_AddRefed<SwapChainD3D9> CreateSwapChain(HWND hWnd);
+
+  IDirect3DDevice9 *device() { return mDevice; }
+
+  bool IsD3D9Ex() { return mDeviceEx; }
+
+  bool HasComponentAlpha() { return mHasComponentAlpha; }
+
+  bool HasDynamicTextures() { return mHasDynamicTextures; }
+
+  enum ShaderMode {
+    RGBLAYER,
+    RGBALAYER,
+    COMPONENTLAYERPASS1,
+    COMPONENTLAYERPASS2,
+    YCBCRLAYER,
+    SOLIDCOLORLAYER
+  };
+
+  // returns the register to be used for the mask texture, if appropriate
+  uint32_t SetShaderMode(ShaderMode aMode, MaskType aMaskType);
+
+  /** 
+   * Return pointer to the Nv3DVUtils instance 
+   */ 
+  Nv3DVUtils *GetNv3DVUtils()  { return mNv3DVUtils; }
+
+  /**
+   * Returns true if this device was removed.
+   */
+  bool DeviceWasRemoved() { return mDeviceWasRemoved; }
+
+  uint32_t GetDeviceResetCount() { return mDeviceResetCount; }
+
+  int32_t GetMaxTextureSize() { return mMaxTextureSize; }
+
+  // Removes aHost from our list of texture hosts if it is the head.
+  void RemoveTextureListHead(TextureSourceD3D9* aHost);
+
+  /**
+   * Creates a texture using our device.
+   * If needed, we keep a record of the new texture, so the texture can be
+   * released. In this case, aTextureHostIDirect3DTexture9 must be non-null.
+   */
+  already_AddRefed<IDirect3DTexture9> CreateTexture(const gfx::IntSize &aSize,
+                                                _D3DFORMAT aFormat,
+                                                D3DPOOL aPool,
+                                                TextureSourceD3D9* aTextureHostIDirect3DTexture9);
+#ifdef DEBUG
+  // Looks for aFind in the list of texture hosts.
+  // O(n) so only use for assertions.
+  bool IsInTextureHostList(TextureSourceD3D9* aFind);
+#endif
+
+  /**
+   * This function verifies the device is ready for rendering, internally this
+   * will test the cooperative level of the device and reset the device if
+   * needed. If this returns false subsequent rendering calls may return errors.
+   */
+  DeviceManagerState VerifyReadyForRendering();
+
+  static uint32_t sMaskQuadRegister;
+
+private:
+  friend class SwapChainD3D9;
+
+  DeviceManagerD3D9();
+  ~DeviceManagerD3D9();
+
+  /**
+   * Initialises the device manager, the underlying device, and everything else
+   * the manager needs.
+   * Returns true if initialisation succeeds, false otherwise.
+   * Note that if initisalisation fails, you cannot try again - you must throw
+   * away the DeviceManagerD3D9 and create a new one.
+   */
+  bool Initialize();
+
+  void DestroyDevice();
+
+  /**
+   * This will fill our vertex buffer with the data of our quad, it may be
+   * called when the vertex buffer is recreated.
+   */
+  bool CreateVertexBuffer();
+
+  /**
+   * Release all textures created by this device manager.
+   */
+  void ReleaseTextureResources();
+  /**
+   * Add aHost to our list of texture hosts.
+   */
+  void RegisterTextureHost(TextureSourceD3D9* aHost);
+
+  /* Array used to store all swap chains for device resets */
+  nsTArray<SwapChainD3D9*> mSwapChains;
+
+  /* The D3D device we use */
+  RefPtr<IDirect3DDevice9> mDevice;
+
+  /* The D3D9Ex device - only valid on Vista+ with WDDM */
+  RefPtr<IDirect3DDevice9Ex> mDeviceEx;
+
+  /* An instance of the D3D9 object */
+  RefPtr<IDirect3D9> mD3D9;
+
+  /* An instance of the D3D9Ex object - only valid on Vista+ with WDDM */
+  RefPtr<IDirect3D9Ex> mD3D9Ex;
+
+  /* Vertex shader used for layer quads */
+  RefPtr<IDirect3DVertexShader9> mLayerVS;
+
+  /* Pixel shader used for RGB textures */
+  RefPtr<IDirect3DPixelShader9> mRGBPS;
+
+  /* Pixel shader used for RGBA textures */
+  RefPtr<IDirect3DPixelShader9> mRGBAPS;
+
+  /* Pixel shader used for component alpha textures (pass 1) */
+  RefPtr<IDirect3DPixelShader9> mComponentPass1PS;
+
+  /* Pixel shader used for component alpha textures (pass 2) */
+  RefPtr<IDirect3DPixelShader9> mComponentPass2PS;
+
+  /* Pixel shader used for RGB textures */
+  RefPtr<IDirect3DPixelShader9> mYCbCrPS;
+
+  /* Pixel shader used for solid colors */
+  RefPtr<IDirect3DPixelShader9> mSolidColorPS;
+
+  /* As above, but using a mask layer */
+  RefPtr<IDirect3DVertexShader9> mLayerVSMask;
+  RefPtr<IDirect3DPixelShader9> mRGBPSMask;
+  RefPtr<IDirect3DPixelShader9> mRGBAPSMask;
+  RefPtr<IDirect3DPixelShader9> mComponentPass1PSMask;
+  RefPtr<IDirect3DPixelShader9> mComponentPass2PSMask;
+  RefPtr<IDirect3DPixelShader9> mYCbCrPSMask;
+  RefPtr<IDirect3DPixelShader9> mSolidColorPSMask;
+
+  /* Vertex buffer containing our basic vertex structure */
+  RefPtr<IDirect3DVertexBuffer9> mVB;
+
+  /* Our vertex declaration */
+  RefPtr<IDirect3DVertexDeclaration9> mVD;
+
+  /* We maintain a doubly linked list of all d3d9 texture hosts which host
+   * d3d9 textures created by this device manager.
+   * Texture hosts must remove themselves when they disappear (i.e., we
+   * expect all hosts in the list to be valid).
+   * The list is cleared when we release the textures.
+   */
+  TextureSourceD3D9* mTextureHostList;
+
+  /* Our focus window - this is really a dummy window we can associate our
+   * device with.
+   */
+  HWND mFocusWnd;
+
+  /* we use this to help track if our device temporarily or permanently lost */
+  HMONITOR mDeviceMonitor;
+
+  uint32_t mDeviceResetCount;
+
+  uint32_t mMaxTextureSize;
+
+  /**
+   * Wrap (repeat) or clamp textures. We prefer the former so we can do buffer
+   * rotation, but some older hardware doesn't support it.
+   */
+  D3DTEXTUREADDRESS mTextureAddressingMode;
+
+  /* If this device supports component alpha */
+  bool mHasComponentAlpha;
+
+  /* If this device supports dynamic textures */
+  bool mHasDynamicTextures;
+
+  /* If this device was removed */
+  bool mDeviceWasRemoved;
+
+  /* Nv3DVUtils instance */ 
+  nsAutoPtr<Nv3DVUtils> mNv3DVUtils; 
+
+  /**
+   * Verifies all required device capabilities are present.
+   */
+  bool VerifyCaps();
+};
+
+} /* namespace layers */
+} /* namespace mozilla */
+
+#endif /* GFX_DEVICEMANAGERD3D9_H */