summaryrefslogtreecommitdiffstats
path: root/gfx/2d/ExtendInputEffectD2D1.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/2d/ExtendInputEffectD2D1.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/2d/ExtendInputEffectD2D1.cpp')
-rw-r--r--gfx/2d/ExtendInputEffectD2D1.cpp204
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;
+}
+
+}
+}