Add m-esr52 at 52.6.0

1 files changed, 204 insertions, 0 deletions

diff --git a/gfx/2d/ExtendInputEffectD2D1.cpp b/gfx/2d/ExtendInputEffectD2D1.cpp
new file mode 100644
index 000000000..d48de53c3
--- /dev/null
+++ b/gfx/2d/ExtendInputEffectD2D1.cpp
@@ -0,0 +1,204 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+  * 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/. */
+
+#include "ExtendInputEffectD2D1.h"
+
+#include "Logging.h"
+
+#include "ShadersD2D1.h"
+#include "HelpersD2D.h"
+
+#include <vector>
+
+#define TEXTW(x) L##x
+#define XML(X) TEXTW(#X) // This macro creates a single string from multiple lines of text.
+
+static const PCWSTR kXmlDescription =
+    XML(
+        <?xml version='1.0'?>
+        <Effect>
+            <!-- System Properties -->
+            <Property name='DisplayName' type='string' value='ExtendInputEffect'/>
+            <Property name='Author' type='string' value='Mozilla'/>
+            <Property name='Category' type='string' value='Utility Effects'/>
+            <Property name='Description' type='string' value='This effect is used to extend the output rect of any input effect to a specified rect.'/>
+            <Inputs>
+                <Input name='InputEffect'/>
+            </Inputs>
+            <Property name='OutputRect' type='vector4'>
+              <Property name='DisplayName' type='string' value='Output Rect'/>
+            </Property>
+        </Effect>
+        );
+
+namespace mozilla {
+namespace gfx {
+
+ExtendInputEffectD2D1::ExtendInputEffectD2D1()
+  : mRefCount(0)
+  , mOutputRect(D2D1::Vector4F(-FLT_MAX, -FLT_MAX, FLT_MAX, FLT_MAX))
+{
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::Initialize(ID2D1EffectContext* pContextInternal, ID2D1TransformGraph* pTransformGraph)
+{
+  HRESULT hr;
+  hr = pTransformGraph->SetSingleTransformNode(this);
+
+  if (FAILED(hr)) {
+    return hr;
+  }
+
+  return S_OK;
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::PrepareForRender(D2D1_CHANGE_TYPE changeType)
+{
+  return S_OK;
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::SetGraph(ID2D1TransformGraph* pGraph)
+{
+  return E_NOTIMPL;
+}
+
+IFACEMETHODIMP_(ULONG)
+ExtendInputEffectD2D1::AddRef()
+{
+  return ++mRefCount;
+}
+
+IFACEMETHODIMP_(ULONG)
+ExtendInputEffectD2D1::Release()
+{
+  if (!--mRefCount) {
+    delete this;
+    return 0;
+  }
+  return mRefCount;
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::QueryInterface(const IID &aIID, void **aPtr)
+{
+  if (!aPtr) {
+    return E_POINTER;
+  }
+
+  if (aIID == IID_IUnknown) {
+    *aPtr = static_cast<IUnknown*>(static_cast<ID2D1EffectImpl*>(this));
+  } else if (aIID == IID_ID2D1EffectImpl) {
+    *aPtr = static_cast<ID2D1EffectImpl*>(this);
+  } else if (aIID == IID_ID2D1DrawTransform) {
+    *aPtr = static_cast<ID2D1DrawTransform*>(this);
+  } else if (aIID == IID_ID2D1Transform) {
+    *aPtr = static_cast<ID2D1Transform*>(this);
+  } else if (aIID == IID_ID2D1TransformNode) {
+    *aPtr = static_cast<ID2D1TransformNode*>(this);
+  } else {
+    return E_NOINTERFACE;
+  }
+
+  static_cast<IUnknown*>(*aPtr)->AddRef();
+  return S_OK;
+}
+
+static D2D1_RECT_L
+ConvertFloatToLongRect(const D2D1_VECTOR_4F& aRect)
+{
+  // Clamp values to LONG range. We can't use std::min/max here because we want
+  // the comparison to operate on a type that's different from the type of the
+  // result.
+  return D2D1::RectL(aRect.x <= LONG_MIN ? LONG_MIN : LONG(aRect.x),
+                     aRect.y <= LONG_MIN ? LONG_MIN : LONG(aRect.y),
+                     aRect.z >= LONG_MAX ? LONG_MAX : LONG(aRect.z),
+                     aRect.w >= LONG_MAX ? LONG_MAX : LONG(aRect.w));
+}
+
+static D2D1_RECT_L
+IntersectRect(const D2D1_RECT_L& aRect1, const D2D1_RECT_L& aRect2)
+{
+  return D2D1::RectL(std::max(aRect1.left, aRect2.left),
+                     std::max(aRect1.top, aRect2.top),
+                     std::min(aRect1.right, aRect2.right),
+                     std::min(aRect1.bottom, aRect2.bottom));
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::MapInputRectsToOutputRect(const D2D1_RECT_L* pInputRects,
+                                                 const D2D1_RECT_L* pInputOpaqueSubRects,
+                                                 UINT32 inputRectCount,
+                                                 D2D1_RECT_L* pOutputRect,
+                                                 D2D1_RECT_L* pOutputOpaqueSubRect)
+{
+  // This transform only accepts one input, so there will only be one input rect.
+  if (inputRectCount != 1) {
+    return E_INVALIDARG;
+  }
+
+  // Set the output rect to the specified rect. This is the whole purpose of this effect.
+  *pOutputRect = ConvertFloatToLongRect(mOutputRect);
+  *pOutputOpaqueSubRect = IntersectRect(*pOutputRect, pInputOpaqueSubRects[0]);
+  return S_OK;
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::MapOutputRectToInputRects(const D2D1_RECT_L* pOutputRect,
+                                                 D2D1_RECT_L* pInputRects,
+                                                 UINT32 inputRectCount) const
+{
+  if (inputRectCount != 1) {
+      return E_INVALIDARG;
+  }
+
+  *pInputRects = *pOutputRect;
+  return S_OK;
+}
+
+IFACEMETHODIMP
+ExtendInputEffectD2D1::MapInvalidRect(UINT32 inputIndex,
+                                      D2D1_RECT_L invalidInputRect,
+                                      D2D1_RECT_L* pInvalidOutputRect) const
+{
+  MOZ_ASSERT(inputIndex == 0);
+
+  *pInvalidOutputRect = invalidInputRect;
+  return S_OK;
+}
+
+HRESULT
+ExtendInputEffectD2D1::Register(ID2D1Factory1 *aFactory)
+{
+  D2D1_PROPERTY_BINDING bindings[] = {
+    D2D1_VALUE_TYPE_BINDING(L"OutputRect", &ExtendInputEffectD2D1::SetOutputRect, &ExtendInputEffectD2D1::GetOutputRect),
+  };
+  HRESULT hr = aFactory->RegisterEffectFromString(CLSID_ExtendInputEffect, kXmlDescription, bindings, 1, CreateEffect);
+
+  if (FAILED(hr)) {
+    gfxWarning() << "Failed to register extend input effect.";
+  }
+  return hr;
+}
+
+void
+ExtendInputEffectD2D1::Unregister(ID2D1Factory1 *aFactory)
+{
+  aFactory->UnregisterEffect(CLSID_ExtendInputEffect);
+}
+
+HRESULT __stdcall
+ExtendInputEffectD2D1::CreateEffect(IUnknown **aEffectImpl)
+{
+  *aEffectImpl = static_cast<ID2D1EffectImpl*>(new ExtendInputEffectD2D1());
+  (*aEffectImpl)->AddRef();
+
+  return S_OK;
+}
+
+}
+}