michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <initguid.h>
michael@0: #include "DrawTargetD2D.h"
michael@0: #include "SourceSurfaceD2D.h"
michael@0: #ifdef USE_D2D1_1
michael@0: #include "SourceSurfaceD2D1.h"
michael@0: #endif
michael@0: #include "SourceSurfaceD2DTarget.h"
michael@0: #include "ShadersD2D.h"
michael@0: #include "PathD2D.h"
michael@0: #include "GradientStopsD2D.h"
michael@0: #include "ScaledFontDWrite.h"
michael@0: #include "ImageScaling.h"
michael@0: #include "Logging.h"
michael@0: #include "Tools.h"
michael@0: #include <algorithm>
michael@0: #include "mozilla/Constants.h"
michael@0: #include "FilterNodeSoftware.h"
michael@0: 
michael@0: #ifdef USE_D2D1_1
michael@0: #include "FilterNodeD2D1.h"
michael@0: #endif
michael@0: 
michael@0: #include <dwrite.h>
michael@0: 
michael@0: // decltype is not usable for overloaded functions.
michael@0: typedef HRESULT (WINAPI*D2D1CreateFactoryFunc)(
michael@0:     D2D1_FACTORY_TYPE factoryType,
michael@0:     REFIID iid,
michael@0:     CONST D2D1_FACTORY_OPTIONS *pFactoryOptions,
michael@0:     void **factory
michael@0: );
michael@0: 
michael@0: using namespace std;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gfx {
michael@0: 
michael@0: struct Vertex {
michael@0:   float x;
michael@0:   float y;
michael@0: };
michael@0: 
michael@0: ID2D1Factory *DrawTargetD2D::mFactory;
michael@0: IDWriteFactory *DrawTargetD2D::mDWriteFactory;
michael@0: uint64_t DrawTargetD2D::mVRAMUsageDT;
michael@0: uint64_t DrawTargetD2D::mVRAMUsageSS;
michael@0: 
michael@0: // Helper class to restore surface contents that was clipped out but may have
michael@0: // been altered by a drawing call.
michael@0: class AutoSaveRestoreClippedOut
michael@0: {
michael@0: public:
michael@0:   AutoSaveRestoreClippedOut(DrawTargetD2D *aDT)
michael@0:     : mDT(aDT)
michael@0:   {}
michael@0: 
michael@0:   void Save() {
michael@0:     if (!mDT->mPushedClips.size()) {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     mDT->Flush();
michael@0: 
michael@0:     RefPtr<ID3D10Texture2D> tmpTexture;
michael@0:     IntSize size = mDT->mSize;
michael@0:     SurfaceFormat format = mDT->mFormat;
michael@0: 
michael@0:     CD3D10_TEXTURE2D_DESC desc(DXGIFormat(format), size.width, size.height,
michael@0:                                1, 1);
michael@0:     desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:     HRESULT hr = mDT->mDevice->CreateTexture2D(&desc, nullptr, byRef(tmpTexture));
michael@0:     if (FAILED(hr)) {
michael@0:       gfxWarning() << "Failed to create temporary texture to hold surface data.";
michael@0:     }
michael@0:     mDT->mDevice->CopyResource(tmpTexture, mDT->mTexture);
michael@0: 
michael@0:     D2D1_BITMAP_PROPERTIES props = D2D1::BitmapProperties(D2DPixelFormat(format));
michael@0: 
michael@0:     RefPtr<IDXGISurface> surf;
michael@0: 
michael@0:     tmpTexture->QueryInterface((IDXGISurface**)byRef(surf));
michael@0: 
michael@0:     hr = mDT->mRT->CreateSharedBitmap(IID_IDXGISurface, surf,
michael@0:                                       &props, byRef(mOldSurfBitmap));
michael@0: 
michael@0:     if (FAILED(hr)) {
michael@0:       gfxWarning() << "Failed to create shared bitmap for old surface.";
michael@0:     }
michael@0: 
michael@0:     IntRect clipBounds;
michael@0:     mClippedArea = mDT->GetClippedGeometry(&clipBounds);
michael@0: 
michael@0:     if (!clipBounds.IsEqualEdges(IntRect(IntPoint(0, 0), mDT->mSize))) {
michael@0:       // We still need to take into account clipBounds if it contains additional
michael@0:       // clipping information.
michael@0:       RefPtr<ID2D1RectangleGeometry> rectGeom;
michael@0:       factory()->CreateRectangleGeometry(D2D1::Rect(Float(clipBounds.x),
michael@0:                                                     Float(clipBounds.y),
michael@0:                                                     Float(clipBounds.XMost()),
michael@0:                                                     Float(clipBounds.YMost())),
michael@0:                                          byRef(rectGeom));
michael@0: 
michael@0:       mClippedArea = IntersectGeometry(mClippedArea, rectGeom);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   ID2D1Factory *factory() { return mDT->factory(); }
michael@0: 
michael@0:   ~AutoSaveRestoreClippedOut()
michael@0:   {
michael@0:     if (!mOldSurfBitmap) {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     ID2D1RenderTarget *rt = mDT->mRT;
michael@0: 
michael@0:     // Write the area that was clipped out back to the surface. This all
michael@0:     // happens in device space.
michael@0:     rt->SetTransform(D2D1::IdentityMatrix());
michael@0:     mDT->mTransformDirty = true;
michael@0: 
michael@0:     RefPtr<ID2D1RectangleGeometry> rectGeom;
michael@0:     factory()->CreateRectangleGeometry(
michael@0:       D2D1::RectF(0, 0, float(mDT->mSize.width), float(mDT->mSize.height)),
michael@0:       byRef(rectGeom));
michael@0: 
michael@0:     RefPtr<ID2D1PathGeometry> invClippedArea;
michael@0:     factory()->CreatePathGeometry(byRef(invClippedArea));
michael@0:     RefPtr<ID2D1GeometrySink> sink;
michael@0:     invClippedArea->Open(byRef(sink));
michael@0: 
michael@0:     rectGeom->CombineWithGeometry(mClippedArea, D2D1_COMBINE_MODE_EXCLUDE, nullptr, sink);
michael@0:     sink->Close();
michael@0: 
michael@0:     RefPtr<ID2D1BitmapBrush> brush;
michael@0:     rt->CreateBitmapBrush(mOldSurfBitmap, D2D1::BitmapBrushProperties(), D2D1::BrushProperties(), byRef(brush));                   
michael@0: 
michael@0:     rt->FillGeometry(invClippedArea, brush);
michael@0:   }
michael@0: 
michael@0: private:
michael@0: 
michael@0:   DrawTargetD2D *mDT;  
michael@0: 
michael@0:   // If we have an operator unbound by the source, this will contain a bitmap
michael@0:   // with the old dest surface data.
michael@0:   RefPtr<ID2D1Bitmap> mOldSurfBitmap;
michael@0:   // This contains the area drawing is clipped to.
michael@0:   RefPtr<ID2D1Geometry> mClippedArea;
michael@0: };
michael@0: 
michael@0: ID2D1Factory *D2DFactory()
michael@0: {
michael@0:   return DrawTargetD2D::factory();
michael@0: }
michael@0: 
michael@0: DrawTargetD2D::DrawTargetD2D()
michael@0:   : mCurrentCachedLayer(0)
michael@0:   , mClipsArePushed(false)
michael@0:   , mPrivateData(nullptr)
michael@0: {
michael@0: }
michael@0: 
michael@0: DrawTargetD2D::~DrawTargetD2D()
michael@0: {
michael@0:   if (mRT) {  
michael@0:     PopAllClips();
michael@0: 
michael@0:     mRT->EndDraw();
michael@0: 
michael@0:     mVRAMUsageDT -= GetByteSize();
michael@0:   }
michael@0:   if (mTempRT) {
michael@0:     mTempRT->EndDraw();
michael@0: 
michael@0:     mVRAMUsageDT -= GetByteSize();
michael@0:   }
michael@0: 
michael@0:   if (mSnapshot) {
michael@0:     // We may hold the only reference. MarkIndependent will clear mSnapshot;
michael@0:     // keep the snapshot object alive so it doesn't get destroyed while
michael@0:     // MarkIndependent is running.
michael@0:     RefPtr<SourceSurfaceD2DTarget> deathGrip = mSnapshot;
michael@0:     // mSnapshot can be treated as independent of this DrawTarget since we know
michael@0:     // this DrawTarget won't change again.
michael@0:     deathGrip->MarkIndependent();
michael@0:     // mSnapshot will be cleared now.
michael@0:   }
michael@0: 
michael@0:   for (int i = 0; i < kLayerCacheSize; i++) {
michael@0:     if (mCachedLayers[i]) {
michael@0:       mCachedLayers[i] = nullptr;
michael@0:       mVRAMUsageDT -= GetByteSize();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // Targets depending on us can break that dependency, since we're obviously not going to
michael@0:   // be modified in the future.
michael@0:   for (TargetSet::iterator iter = mDependentTargets.begin();
michael@0:        iter != mDependentTargets.end(); iter++) {
michael@0:     (*iter)->mDependingOnTargets.erase(this);
michael@0:   }
michael@0:   // Our dependencies on other targets no longer matter.
michael@0:   for (TargetSet::iterator iter = mDependingOnTargets.begin();
michael@0:        iter != mDependingOnTargets.end(); iter++) {
michael@0:     (*iter)->mDependentTargets.erase(this);
michael@0:   }
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * DrawTarget Implementation
michael@0:  */
michael@0: TemporaryRef<SourceSurface>
michael@0: DrawTargetD2D::Snapshot()
michael@0: {
michael@0:   if (!mSnapshot) {
michael@0:     mSnapshot = new SourceSurfaceD2DTarget(this, mTexture, mFormat);
michael@0:     Flush();
michael@0:   }
michael@0: 
michael@0:   return mSnapshot;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::Flush()
michael@0: {
michael@0:   PopAllClips();
michael@0: 
michael@0:   HRESULT hr = mRT->Flush();
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Error reported when trying to flush D2D rendertarget. Code: " << hr;
michael@0:   }
michael@0: 
michael@0:   // We no longer depend on any target.
michael@0:   for (TargetSet::iterator iter = mDependingOnTargets.begin();
michael@0:        iter != mDependingOnTargets.end(); iter++) {
michael@0:     (*iter)->mDependentTargets.erase(this);
michael@0:   }
michael@0:   mDependingOnTargets.clear();
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::AddDependencyOnSource(SourceSurfaceD2DTarget* aSource)
michael@0: {
michael@0:   if (aSource->mDrawTarget && !mDependingOnTargets.count(aSource->mDrawTarget)) {
michael@0:     aSource->mDrawTarget->mDependentTargets.insert(this);
michael@0:     mDependingOnTargets.insert(aSource->mDrawTarget);
michael@0:   }
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID2D1Bitmap>
michael@0: DrawTargetD2D::GetBitmapForSurface(SourceSurface *aSurface,
michael@0:                                    Rect &aSource)
michael@0: {
michael@0:   RefPtr<ID2D1Bitmap> bitmap;
michael@0: 
michael@0:   switch (aSurface->GetType()) {
michael@0: 
michael@0:   case SurfaceType::D2D1_BITMAP:
michael@0:     {
michael@0:       SourceSurfaceD2D *srcSurf = static_cast<SourceSurfaceD2D*>(aSurface);
michael@0:       bitmap = srcSurf->GetBitmap();
michael@0:     }
michael@0:     break;
michael@0:   case SurfaceType::D2D1_DRAWTARGET:
michael@0:     {
michael@0:       SourceSurfaceD2DTarget *srcSurf = static_cast<SourceSurfaceD2DTarget*>(aSurface);
michael@0:       bitmap = srcSurf->GetBitmap(mRT);
michael@0:       AddDependencyOnSource(srcSurf);
michael@0:     }
michael@0:     break;
michael@0:   default:
michael@0:     {
michael@0:       RefPtr<DataSourceSurface> srcSurf = aSurface->GetDataSurface();
michael@0: 
michael@0:       if (!srcSurf) {
michael@0:         gfxDebug() << "Not able to deal with non-data source surface.";
michael@0:         return nullptr;
michael@0:       }
michael@0: 
michael@0:       // We need to include any pixels that are overlapped by aSource
michael@0:       Rect sourceRect(aSource);
michael@0:       sourceRect.RoundOut();
michael@0: 
michael@0:       if (sourceRect.IsEmpty()) {
michael@0:         gfxDebug() << "Bitmap source is empty. DrawBitmap will silently fail.";
michael@0:         return nullptr;
michael@0:       }
michael@0: 
michael@0:       if (sourceRect.width > mRT->GetMaximumBitmapSize() ||
michael@0:           sourceRect.height > mRT->GetMaximumBitmapSize()) {
michael@0:         gfxDebug() << "Bitmap source larger than texture size specified. DrawBitmap will silently fail.";
michael@0:         // Don't know how to deal with this yet.
michael@0:         return nullptr;
michael@0:       }
michael@0: 
michael@0:       int stride = srcSurf->Stride();
michael@0: 
michael@0:       unsigned char *data = srcSurf->GetData() +
michael@0:                             (uint32_t)sourceRect.y * stride +
michael@0:                             (uint32_t)sourceRect.x * BytesPerPixel(srcSurf->GetFormat());
michael@0: 
michael@0:       D2D1_BITMAP_PROPERTIES props =
michael@0:         D2D1::BitmapProperties(D2DPixelFormat(srcSurf->GetFormat()));
michael@0:       mRT->CreateBitmap(D2D1::SizeU(UINT32(sourceRect.width), UINT32(sourceRect.height)), data, stride, props, byRef(bitmap));
michael@0: 
michael@0:       // subtract the integer part leaving the fractional part
michael@0:       aSource.x -= (uint32_t)aSource.x;
michael@0:       aSource.y -= (uint32_t)aSource.y;
michael@0:     }
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   return bitmap;
michael@0: }
michael@0: 
michael@0: #ifdef USE_D2D1_1
michael@0: TemporaryRef<ID2D1Image>
michael@0: DrawTargetD2D::GetImageForSurface(SourceSurface *aSurface)
michael@0: {
michael@0:   RefPtr<ID2D1Image> image;
michael@0: 
michael@0:   if (aSurface->GetType() == SurfaceType::D2D1_1_IMAGE) {
michael@0:     image = static_cast<SourceSurfaceD2D1*>(aSurface)->GetImage();
michael@0:     static_cast<SourceSurfaceD2D1*>(aSurface)->EnsureIndependent();
michael@0:   } else {
michael@0:     Rect r(Point(), Size(aSurface->GetSize()));
michael@0:     image = GetBitmapForSurface(aSurface, r);
michael@0:   }
michael@0: 
michael@0:   return image;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::DrawSurface(SourceSurface *aSurface,
michael@0:                            const Rect &aDest,
michael@0:                            const Rect &aSource,
michael@0:                            const DrawSurfaceOptions &aSurfOptions,
michael@0:                            const DrawOptions &aOptions)
michael@0: {
michael@0:   RefPtr<ID2D1Bitmap> bitmap;
michael@0: 
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()));
michael@0:   
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   Rect srcRect = aSource;
michael@0: 
michael@0:   bitmap = GetBitmapForSurface(aSurface, srcRect);
michael@0:   if (!bitmap) {
michael@0:       return;
michael@0:   }
michael@0:  
michael@0:   rt->DrawBitmap(bitmap, D2DRect(aDest), aOptions.mAlpha, D2DFilter(aSurfOptions.mFilter), D2DRect(srcRect));
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()), aDest);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::DrawFilter(FilterNode *aNode,
michael@0:                           const Rect &aSourceRect,
michael@0:                           const Point &aDestPoint,
michael@0:                           const DrawOptions &aOptions)
michael@0: {
michael@0: #ifdef USE_D2D1_1
michael@0:   RefPtr<ID2D1DeviceContext> dc;
michael@0:   HRESULT hr;
michael@0:   
michael@0:   hr = mRT->QueryInterface((ID2D1DeviceContext**)byRef(dc));
michael@0: 
michael@0:   if (SUCCEEDED(hr) && aNode->GetBackendType() == FILTER_BACKEND_DIRECT2D1_1) {
michael@0:     ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()));
michael@0:   
michael@0:     PrepareForDrawing(rt);
michael@0: 
michael@0:     rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0:     hr = rt->QueryInterface((ID2D1DeviceContext**)byRef(dc));
michael@0: 
michael@0:     if (SUCCEEDED(hr)) {
michael@0:       dc->DrawImage(static_cast<FilterNodeD2D1*>(aNode)->OutputEffect(), D2DPoint(aDestPoint), D2DRect(aSourceRect));
michael@0: 
michael@0:       Rect destRect = aSourceRect;
michael@0:       destRect.MoveBy(aDestPoint);
michael@0:       FinalizeRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()), destRect);
michael@0:       return;
michael@0:     }
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   if (aNode->GetBackendType() != FILTER_BACKEND_SOFTWARE) {
michael@0:     gfxWarning() << "Invalid filter backend passed to DrawTargetD2D!";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   FilterNodeSoftware* filter = static_cast<FilterNodeSoftware*>(aNode);
michael@0:   filter->Draw(this, aSourceRect, aDestPoint, aOptions);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::MaskSurface(const Pattern &aSource,
michael@0:                            SourceSurface *aMask,
michael@0:                            Point aOffset,
michael@0:                            const DrawOptions &aOptions)
michael@0: {
michael@0:   RefPtr<ID2D1Bitmap> bitmap;
michael@0: 
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()));
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   // FillOpacityMask only works if the antialias mode is MODE_ALIASED
michael@0:   rt->SetAntialiasMode(D2D1_ANTIALIAS_MODE_ALIASED);
michael@0: 
michael@0:   IntSize size = aMask->GetSize();
michael@0:   Rect maskRect = Rect(0.f, 0.f, size.width, size.height);
michael@0:   bitmap = GetBitmapForSurface(aMask, maskRect);
michael@0:   if (!bitmap) {
michael@0:        return;
michael@0:   }
michael@0: 
michael@0:   Rect dest = Rect(aOffset.x, aOffset.y, size.width, size.height);
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aSource, aOptions.mAlpha);
michael@0:   rt->FillOpacityMask(bitmap, brush, D2D1_OPACITY_MASK_CONTENT_GRAPHICS, D2DRect(dest), D2DRect(maskRect));
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, ColorPattern(Color()), dest);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::DrawSurfaceWithShadow(SourceSurface *aSurface,
michael@0:                                      const Point &aDest,
michael@0:                                      const Color &aColor,
michael@0:                                      const Point &aOffset,
michael@0:                                      Float aSigma,
michael@0:                                      CompositionOp aOperator)
michael@0: {
michael@0:   RefPtr<ID3D10ShaderResourceView> srView = nullptr;
michael@0:   if (aSurface->GetType() != SurfaceType::D2D1_DRAWTARGET) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   SetScissorToRect(nullptr);
michael@0: 
michael@0:   // XXX - This function is way too long, it should be split up soon to make
michael@0:   // it more graspable!
michael@0: 
michael@0:   Flush();
michael@0: 
michael@0:   AutoSaveRestoreClippedOut restoreClippedOut(this);
michael@0: 
michael@0:   if (!IsOperatorBoundByMask(aOperator)) {
michael@0:     restoreClippedOut.Save();
michael@0:   }
michael@0: 
michael@0:   srView = static_cast<SourceSurfaceD2DTarget*>(aSurface)->GetSRView();
michael@0: 
michael@0:   EnsureViews();
michael@0: 
michael@0:   if (!mTempRTView) {
michael@0:     // This view is only needed in this path.
michael@0:     HRESULT hr = mDevice->CreateRenderTargetView(mTempTexture, nullptr, byRef(mTempRTView));
michael@0: 
michael@0:     if (FAILED(hr)) {
michael@0:       gfxWarning() << "Failure to create RenderTargetView. Code: " << hr;
michael@0:       return;
michael@0:     }
michael@0:   }
michael@0: 
michael@0: 
michael@0:   RefPtr<ID3D10RenderTargetView> destRTView = mRTView;
michael@0:   RefPtr<ID3D10Texture2D> destTexture;
michael@0:   HRESULT hr;
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> maskTexture;
michael@0:   RefPtr<ID3D10ShaderResourceView> maskSRView;
michael@0:   IntRect clipBounds;
michael@0:   if (mPushedClips.size()) {
michael@0:     EnsureClipMaskTexture(&clipBounds);
michael@0: 
michael@0:     mDevice->CreateShaderResourceView(mCurrentClipMaskTexture, nullptr, byRef(maskSRView));
michael@0:   }
michael@0: 
michael@0:   IntSize srcSurfSize;
michael@0:   ID3D10RenderTargetView *rtViews;
michael@0:   D3D10_VIEWPORT viewport;
michael@0: 
michael@0:   UINT stride = sizeof(Vertex);
michael@0:   UINT offset = 0;
michael@0:   ID3D10Buffer *buff = mPrivateData->mVB;
michael@0: 
michael@0:   mDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
michael@0:   mDevice->IASetVertexBuffers(0, 1, &buff, &stride, &offset);
michael@0:   mDevice->IASetInputLayout(mPrivateData->mInputLayout);
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("QuadDesc")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(-1.0f, 1.0f, 2.0f, -2.0f));
michael@0:   mPrivateData->mEffect->GetVariableByName("TexCoords")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(0, 0, 1.0f, 1.0f));
michael@0: 
michael@0:   // If we create a downsampled source surface we need to correct aOffset for that.
michael@0:   Point correctedOffset = aOffset + aDest;
michael@0: 
michael@0:   // The 'practical' scaling factors.
michael@0:   Float dsFactorX = 1.0f;
michael@0:   Float dsFactorY = 1.0f;
michael@0: 
michael@0:   if (aSigma > 1.7f) {
michael@0:     // In this case 9 samples of our original will not cover it. Generate the
michael@0:     // mip levels for the original and create a downsampled version from
michael@0:     // them. We generate a version downsampled so that a kernel for a sigma
michael@0:     // of 1.7 will produce the right results.
michael@0:     float blurWeights[9] = { 0.234671f, 0.197389f, 0.197389f, 0.117465f, 0.117465f, 0.049456f, 0.049456f, 0.014732f, 0.014732f };
michael@0:     mPrivateData->mEffect->GetVariableByName("BlurWeights")->SetRawValue(blurWeights, 0, sizeof(blurWeights));
michael@0:     
michael@0:     CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM,
michael@0:                                aSurface->GetSize().width,
michael@0:                                aSurface->GetSize().height);
michael@0:     desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0:     desc.MiscFlags = D3D10_RESOURCE_MISC_GENERATE_MIPS;
michael@0: 
michael@0:     RefPtr<ID3D10Texture2D> mipTexture;
michael@0:     hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(mipTexture));
michael@0: 
michael@0:     if (FAILED(hr)) {
michael@0:       gfxWarning() << "Failure to create temporary texture. Size: " <<
michael@0:         aSurface->GetSize() << " Code: " << hr;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     IntSize dsSize = IntSize(int32_t(aSurface->GetSize().width * (1.7f / aSigma)),
michael@0:                              int32_t(aSurface->GetSize().height * (1.7f / aSigma)));
michael@0: 
michael@0:     if (dsSize.width < 1) {
michael@0:       dsSize.width = 1;
michael@0:     }
michael@0:     if (dsSize.height < 1) {
michael@0:       dsSize.height = 1;
michael@0:     }
michael@0: 
michael@0:     dsFactorX = dsSize.width / Float(aSurface->GetSize().width);
michael@0:     dsFactorY = dsSize.height / Float(aSurface->GetSize().height);
michael@0:     correctedOffset.x *= dsFactorX;
michael@0:     correctedOffset.y *= dsFactorY;
michael@0: 
michael@0:     desc = CD3D10_TEXTURE2D_DESC(DXGI_FORMAT_B8G8R8A8_UNORM,
michael@0:                                  dsSize.width,
michael@0:                                  dsSize.height, 1, 1);
michael@0:     desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0:     RefPtr<ID3D10Texture2D> tmpDSTexture;
michael@0:     hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(tmpDSTexture));
michael@0: 
michael@0:     if (FAILED(hr)) {
michael@0:       gfxWarning() << "Failure to create temporary texture. Size: " << dsSize << " Code: " << hr;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     D3D10_BOX box;
michael@0:     box.left = box.top = box.front = 0;
michael@0:     box.back = 1;
michael@0:     box.right = aSurface->GetSize().width;
michael@0:     box.bottom = aSurface->GetSize().height;
michael@0:     mDevice->CopySubresourceRegion(mipTexture, 0, 0, 0, 0, static_cast<SourceSurfaceD2DTarget*>(aSurface)->mTexture, 0, &box);
michael@0: 
michael@0:     mDevice->CreateShaderResourceView(mipTexture, nullptr,  byRef(srView));
michael@0:     mDevice->GenerateMips(srView);
michael@0: 
michael@0:     RefPtr<ID3D10RenderTargetView> dsRTView;
michael@0:     RefPtr<ID3D10ShaderResourceView> dsSRView;
michael@0:     mDevice->CreateRenderTargetView(tmpDSTexture, nullptr,  byRef(dsRTView));
michael@0:     mDevice->CreateShaderResourceView(tmpDSTexture, nullptr,  byRef(dsSRView));
michael@0: 
michael@0:     // We're not guaranteed the texture we created will be empty, we've
michael@0:     // seen old content at least on NVidia drivers.
michael@0:     float color[4] = { 0, 0, 0, 0 };
michael@0:     mDevice->ClearRenderTargetView(dsRTView, color);
michael@0: 
michael@0:     rtViews = dsRTView;
michael@0:     mDevice->OMSetRenderTargets(1, &rtViews, nullptr);
michael@0: 
michael@0:     viewport.MaxDepth = 1;
michael@0:     viewport.MinDepth = 0;
michael@0:     viewport.Height = dsSize.height;
michael@0:     viewport.Width = dsSize.width;
michael@0:     viewport.TopLeftX = 0;
michael@0:     viewport.TopLeftY = 0;
michael@0: 
michael@0:     mDevice->RSSetViewports(1, &viewport);
michael@0:     mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(srView);
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleTexture")->
michael@0:       GetPassByIndex(0)->Apply(0);
michael@0: 
michael@0:     mDevice->OMSetBlendState(GetBlendStateForOperator(CompositionOp::OP_OVER), nullptr, 0xffffffff);
michael@0: 
michael@0:     mDevice->Draw(4, 0);
michael@0:     
michael@0:     srcSurfSize = dsSize;
michael@0: 
michael@0:     srView = dsSRView;
michael@0:   } else {
michael@0:     // In this case generate a kernel to draw the blur directly to the temp
michael@0:     // surf in one direction and to final in the other.
michael@0:     float blurWeights[9];
michael@0: 
michael@0:     float normalizeFactor = 1.0f;
michael@0:     if (aSigma != 0) {
michael@0:       normalizeFactor = 1.0f / Float(sqrt(2 * M_PI * pow(aSigma, 2)));
michael@0:     }
michael@0: 
michael@0:     blurWeights[0] = normalizeFactor;
michael@0: 
michael@0:     // XXX - We should actually optimize for Sigma = 0 here. We could use a
michael@0:     // much simpler shader and save a lot of texture lookups.
michael@0:     for (int i = 1; i < 9; i += 2) {
michael@0:       if (aSigma != 0) {
michael@0:         blurWeights[i] = blurWeights[i + 1] = normalizeFactor *
michael@0:           exp(-pow(float((i + 1) / 2), 2) / (2 * pow(aSigma, 2)));
michael@0:       } else {
michael@0:         blurWeights[i] = blurWeights[i + 1] = 0;
michael@0:       }
michael@0:     }
michael@0:     
michael@0:     mPrivateData->mEffect->GetVariableByName("BlurWeights")->SetRawValue(blurWeights, 0, sizeof(blurWeights));
michael@0: 
michael@0:     viewport.MaxDepth = 1;
michael@0:     viewport.MinDepth = 0;
michael@0:     viewport.Height = aSurface->GetSize().height;
michael@0:     viewport.Width = aSurface->GetSize().width;
michael@0:     viewport.TopLeftX = 0;
michael@0:     viewport.TopLeftY = 0;
michael@0: 
michael@0:     mDevice->RSSetViewports(1, &viewport);
michael@0: 
michael@0:     srcSurfSize = aSurface->GetSize();
michael@0:   }
michael@0: 
michael@0:   // We may need to draw to a different intermediate surface if our temp
michael@0:   // texture isn't big enough.
michael@0:   bool needBiggerTemp = srcSurfSize.width > mSize.width ||
michael@0:                         srcSurfSize.height > mSize.height;
michael@0: 
michael@0:   RefPtr<ID3D10RenderTargetView> tmpRTView;
michael@0:   RefPtr<ID3D10ShaderResourceView> tmpSRView;
michael@0:   RefPtr<ID3D10Texture2D> tmpTexture;
michael@0:   
michael@0:   IntSize tmpSurfSize = mSize;
michael@0: 
michael@0:   if (!needBiggerTemp) {
michael@0:     tmpRTView = mTempRTView;
michael@0:     tmpSRView = mSRView;
michael@0: 
michael@0:     // There could still be content here!
michael@0:     float color[4] = { 0, 0, 0, 0 };
michael@0:     mDevice->ClearRenderTargetView(tmpRTView, color);
michael@0:   } else {
michael@0:     CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM,
michael@0:                                srcSurfSize.width,
michael@0:                                srcSurfSize.height,
michael@0:                                1, 1);
michael@0:     desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:     mDevice->CreateTexture2D(&desc, nullptr,  byRef(tmpTexture));
michael@0:     mDevice->CreateRenderTargetView(tmpTexture, nullptr,  byRef(tmpRTView));
michael@0:     mDevice->CreateShaderResourceView(tmpTexture, nullptr,  byRef(tmpSRView));
michael@0: 
michael@0:     tmpSurfSize = srcSurfSize;
michael@0:   }
michael@0: 
michael@0:   rtViews = tmpRTView;
michael@0:   mDevice->OMSetRenderTargets(1, &rtViews, nullptr);
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(srView);
michael@0: 
michael@0:   // Premultiplied!
michael@0:   float shadowColor[4] = { aColor.r * aColor.a, aColor.g * aColor.a,
michael@0:                            aColor.b * aColor.a, aColor.a };
michael@0:   mPrivateData->mEffect->GetVariableByName("ShadowColor")->AsVector()->
michael@0:     SetFloatVector(shadowColor);
michael@0: 
michael@0:   float pixelOffset = 1.0f / float(srcSurfSize.width);
michael@0:   float blurOffsetsH[9] = { 0, pixelOffset, -pixelOffset,
michael@0:                             2.0f * pixelOffset, -2.0f * pixelOffset,
michael@0:                             3.0f * pixelOffset, -3.0f * pixelOffset,
michael@0:                             4.0f * pixelOffset, - 4.0f * pixelOffset };
michael@0: 
michael@0:   pixelOffset = 1.0f / float(tmpSurfSize.height);
michael@0:   float blurOffsetsV[9] = { 0, pixelOffset, -pixelOffset,
michael@0:                             2.0f * pixelOffset, -2.0f * pixelOffset,
michael@0:                             3.0f * pixelOffset, -3.0f * pixelOffset,
michael@0:                             4.0f * pixelOffset, - 4.0f * pixelOffset };
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("BlurOffsetsH")->
michael@0:     SetRawValue(blurOffsetsH, 0, sizeof(blurOffsetsH));
michael@0:   mPrivateData->mEffect->GetVariableByName("BlurOffsetsV")->
michael@0:     SetRawValue(blurOffsetsV, 0, sizeof(blurOffsetsV));
michael@0: 
michael@0:   mPrivateData->mEffect->GetTechniqueByName("SampleTextureWithShadow")->
michael@0:     GetPassByIndex(0)->Apply(0);
michael@0: 
michael@0:   mDevice->Draw(4, 0);
michael@0: 
michael@0:   viewport.MaxDepth = 1;
michael@0:   viewport.MinDepth = 0;
michael@0:   viewport.Height = mSize.height;
michael@0:   viewport.Width = mSize.width;
michael@0:   viewport.TopLeftX = 0;
michael@0:   viewport.TopLeftY = 0;
michael@0: 
michael@0:   mDevice->RSSetViewports(1, &viewport);
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(tmpSRView);
michael@0: 
michael@0:   rtViews = destRTView;
michael@0:   mDevice->OMSetRenderTargets(1, &rtViews, nullptr);
michael@0: 
michael@0:   Point shadowDest = aDest + aOffset;
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("QuadDesc")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(-1.0f + ((shadowDest.x / mSize.width) * 2.0f),
michael@0:                                            1.0f - (shadowDest.y / mSize.height * 2.0f),
michael@0:                                            (Float(aSurface->GetSize().width) / mSize.width) * 2.0f,
michael@0:                                            (-Float(aSurface->GetSize().height) / mSize.height) * 2.0f));
michael@0:   mPrivateData->mEffect->GetVariableByName("TexCoords")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(0, 0, Float(srcSurfSize.width) / tmpSurfSize.width,
michael@0:                                                  Float(srcSurfSize.height) / tmpSurfSize.height));
michael@0: 
michael@0:   if (mPushedClips.size()) {
michael@0:     mPrivateData->mEffect->GetVariableByName("mask")->AsShaderResource()->SetResource(maskSRView);
michael@0:     mPrivateData->mEffect->GetVariableByName("MaskTexCoords")->AsVector()->
michael@0:       SetFloatVector(ShaderConstantRectD3D10(shadowDest.x / mSize.width, shadowDest.y / mSize.height,
michael@0:                                              Float(aSurface->GetSize().width) / mSize.width,
michael@0:                                              Float(aSurface->GetSize().height) / mSize.height));
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleTextureWithShadow")->
michael@0:       GetPassByIndex(2)->Apply(0);
michael@0:     SetScissorToRect(&clipBounds);
michael@0:   } else {
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleTextureWithShadow")->
michael@0:       GetPassByIndex(1)->Apply(0);
michael@0:   }
michael@0: 
michael@0:   mDevice->OMSetBlendState(GetBlendStateForOperator(aOperator), nullptr, 0xffffffff);
michael@0: 
michael@0:   mDevice->Draw(4, 0);
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("QuadDesc")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(-1.0f + ((aDest.x / mSize.width) * 2.0f),
michael@0:                                            1.0f - (aDest.y / mSize.height * 2.0f),
michael@0:                                            (Float(aSurface->GetSize().width) / mSize.width) * 2.0f,
michael@0:                                            (-Float(aSurface->GetSize().height) / mSize.height) * 2.0f));
michael@0:   mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(static_cast<SourceSurfaceD2DTarget*>(aSurface)->GetSRView());
michael@0:   mPrivateData->mEffect->GetVariableByName("TexCoords")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(0, 0, 1.0f, 1.0f));
michael@0: 
michael@0:   if (mPushedClips.size()) {
michael@0:     mPrivateData->mEffect->GetVariableByName("MaskTexCoords")->AsVector()->
michael@0:       SetFloatVector(ShaderConstantRectD3D10(aDest.x / mSize.width, aDest.y / mSize.height,
michael@0:                                              Float(aSurface->GetSize().width) / mSize.width,
michael@0:                                              Float(aSurface->GetSize().height) / mSize.height));
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleMaskedTexture")->
michael@0:       GetPassByIndex(0)->Apply(0);
michael@0:     // We've set the scissor rect here for the previous draw call.
michael@0:   } else {
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleTexture")->
michael@0:       GetPassByIndex(0)->Apply(0);
michael@0:   }
michael@0: 
michael@0:   mDevice->OMSetBlendState(GetBlendStateForOperator(aOperator), nullptr, 0xffffffff);
michael@0: 
michael@0:   mDevice->Draw(4, 0);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::ClearRect(const Rect &aRect)
michael@0: {
michael@0:   MarkChanged();
michael@0:   PushClipRect(aRect);
michael@0: 
michael@0:   PopAllClips();
michael@0: 
michael@0:   AutoSaveRestoreClippedOut restoreClippedOut(this);
michael@0: 
michael@0:   D2D1_RECT_F clipRect;
michael@0:   bool isPixelAligned;
michael@0:   bool pushedClip = false;
michael@0:   if (mTransform.IsRectilinear() &&
michael@0:       GetDeviceSpaceClipRect(clipRect, isPixelAligned)) {
michael@0:     if (mTransformDirty ||
michael@0:         !mTransform.IsIdentity()) {
michael@0:       mRT->SetTransform(D2D1::IdentityMatrix());
michael@0:       mTransformDirty = true;
michael@0:     }
michael@0: 
michael@0:     mRT->PushAxisAlignedClip(clipRect, isPixelAligned ? D2D1_ANTIALIAS_MODE_ALIASED : D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
michael@0:     pushedClip = true;
michael@0:   } else {
michael@0:     FlushTransformToRT();
michael@0:     restoreClippedOut.Save();
michael@0:   }
michael@0: 
michael@0:   mRT->Clear(D2D1::ColorF(0, 0.0f));
michael@0: 
michael@0:   if (pushedClip) {
michael@0:     mRT->PopAxisAlignedClip();
michael@0:   }
michael@0: 
michael@0:   PopClip();
michael@0:   return;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::CopySurface(SourceSurface *aSurface,
michael@0:                            const IntRect &aSourceRect,
michael@0:                            const IntPoint &aDestination)
michael@0: {
michael@0:   MarkChanged();
michael@0: 
michael@0:   Rect srcRect(Float(aSourceRect.x), Float(aSourceRect.y),
michael@0:                Float(aSourceRect.width), Float(aSourceRect.height));
michael@0:   Rect dstRect(Float(aDestination.x), Float(aDestination.y),
michael@0:                Float(aSourceRect.width), Float(aSourceRect.height));
michael@0: 
michael@0:   mRT->SetTransform(D2D1::IdentityMatrix());
michael@0:   mTransformDirty = true;
michael@0:   mRT->PushAxisAlignedClip(D2DRect(dstRect), D2D1_ANTIALIAS_MODE_ALIASED);
michael@0:   mRT->Clear(D2D1::ColorF(0, 0.0f));
michael@0:   mRT->PopAxisAlignedClip();
michael@0: 
michael@0:   RefPtr<ID2D1Bitmap> bitmap = GetBitmapForSurface(aSurface, srcRect);
michael@0:   if (!bitmap) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   if (aSurface->GetFormat() == SurfaceFormat::A8) {
michael@0:     RefPtr<ID2D1SolidColorBrush> brush;
michael@0:     mRT->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::White),
michael@0:                                D2D1::BrushProperties(), byRef(brush));
michael@0:     mRT->SetAntialiasMode(D2D1_ANTIALIAS_MODE_ALIASED);
michael@0:     mRT->FillOpacityMask(bitmap, brush, D2D1_OPACITY_MASK_CONTENT_GRAPHICS);
michael@0:   } else {
michael@0:     mRT->DrawBitmap(bitmap, D2DRect(dstRect), 1.0f,
michael@0:             D2D1_BITMAP_INTERPOLATION_MODE_LINEAR,
michael@0:             D2DRect(srcRect));
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::FillRect(const Rect &aRect,
michael@0:                         const Pattern &aPattern,
michael@0:                         const DrawOptions &aOptions)
michael@0: {
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   if (brush) {
michael@0:     rt->FillRectangle(D2DRect(aRect), brush);
michael@0:   }
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, aRect);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::StrokeRect(const Rect &aRect,
michael@0:                           const Pattern &aPattern,
michael@0:                           const StrokeOptions &aStrokeOptions,
michael@0:                           const DrawOptions &aOptions)
michael@0: {
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
michael@0: 
michael@0:   if (brush && strokeStyle) {
michael@0:     rt->DrawRectangle(D2DRect(aRect), brush, aStrokeOptions.mLineWidth, strokeStyle);
michael@0:   }
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, aRect);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::StrokeLine(const Point &aStart,
michael@0:                           const Point &aEnd,
michael@0:                           const Pattern &aPattern,
michael@0:                           const StrokeOptions &aStrokeOptions,
michael@0:                           const DrawOptions &aOptions)
michael@0: {
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
michael@0: 
michael@0:   if (brush && strokeStyle) {
michael@0:     rt->DrawLine(D2DPoint(aStart), D2DPoint(aEnd), brush, aStrokeOptions.mLineWidth, strokeStyle);
michael@0:   }
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, Rect(0, 0, Float(mSize.width), Float(mSize.height)));
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::Stroke(const Path *aPath,
michael@0:                       const Pattern &aPattern,
michael@0:                       const StrokeOptions &aStrokeOptions,
michael@0:                       const DrawOptions &aOptions)
michael@0: {
michael@0:   if (aPath->GetBackendType() != BackendType::DIRECT2D) {
michael@0:     gfxDebug() << *this << ": Ignoring drawing call for incompatible path.";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   const PathD2D *d2dPath = static_cast<const PathD2D*>(aPath);
michael@0: 
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   RefPtr<ID2D1StrokeStyle> strokeStyle = CreateStrokeStyleForOptions(aStrokeOptions);
michael@0: 
michael@0:   if (brush && strokeStyle) {
michael@0:     rt->DrawGeometry(d2dPath->mGeometry, brush, aStrokeOptions.mLineWidth, strokeStyle);
michael@0:   }
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, Rect(0, 0, Float(mSize.width), Float(mSize.height)));
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::Fill(const Path *aPath,
michael@0:                     const Pattern &aPattern,
michael@0:                     const DrawOptions &aOptions)
michael@0: {
michael@0:   if (aPath->GetBackendType() != BackendType::DIRECT2D) {
michael@0:     gfxDebug() << *this << ": Ignoring drawing call for incompatible path.";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   const PathD2D *d2dPath = static_cast<const PathD2D*>(aPath);
michael@0: 
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   rt->SetAntialiasMode(D2DAAMode(aOptions.mAntialiasMode));
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   if (brush) {
michael@0:     rt->FillGeometry(d2dPath->mGeometry, brush);
michael@0:   }
michael@0: 
michael@0:   Rect bounds;
michael@0:   if (aOptions.mCompositionOp != CompositionOp::OP_OVER) {
michael@0:     D2D1_RECT_F d2dbounds;
michael@0:     d2dPath->mGeometry->GetBounds(D2D1::IdentityMatrix(), &d2dbounds);
michael@0:     bounds = ToRect(d2dbounds);
michael@0:   }
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, bounds);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::FillGlyphs(ScaledFont *aFont,
michael@0:                           const GlyphBuffer &aBuffer,
michael@0:                           const Pattern &aPattern,
michael@0:                           const DrawOptions &aOptions,
michael@0:                           const GlyphRenderingOptions* aRenderOptions)
michael@0: {
michael@0:   if (aFont->GetType() != FontType::DWRITE) {
michael@0:     gfxDebug() << *this << ": Ignoring drawing call for incompatible font.";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   ScaledFontDWrite *font = static_cast<ScaledFontDWrite*>(aFont);
michael@0: 
michael@0:   IDWriteRenderingParams *params = nullptr;
michael@0:   if (aRenderOptions) {
michael@0:     if (aRenderOptions->GetType() != FontType::DWRITE) {
michael@0:       gfxDebug() << *this << ": Ignoring incompatible GlyphRenderingOptions.";
michael@0:       // This should never happen.
michael@0:       MOZ_ASSERT(false);
michael@0:     } else {
michael@0:       params = static_cast<const GlyphRenderingOptionsDWrite*>(aRenderOptions)->mParams;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   AntialiasMode aaMode = font->GetDefaultAAMode();
michael@0: 
michael@0:   if (aOptions.mAntialiasMode != AntialiasMode::DEFAULT) {
michael@0:     aaMode = aOptions.mAntialiasMode;
michael@0:   }
michael@0: 
michael@0:   if (mFormat == SurfaceFormat::B8G8R8A8 && mPermitSubpixelAA &&
michael@0:       aOptions.mCompositionOp == CompositionOp::OP_OVER && aPattern.GetType() == PatternType::COLOR &&
michael@0:       aaMode == AntialiasMode::SUBPIXEL) {
michael@0:     if (FillGlyphsManual(font, aBuffer,
michael@0:                          static_cast<const ColorPattern*>(&aPattern)->mColor,
michael@0:                          params, aOptions)) {
michael@0:       return;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aPattern);
michael@0: 
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   D2D1_TEXT_ANTIALIAS_MODE d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_DEFAULT;
michael@0: 
michael@0:   switch (aaMode) {
michael@0:   case AntialiasMode::NONE:
michael@0:     d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_ALIASED;
michael@0:     break;
michael@0:   case AntialiasMode::GRAY:
michael@0:     d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE;
michael@0:     break;
michael@0:   case AntialiasMode::SUBPIXEL:
michael@0:     d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE;
michael@0:     break;
michael@0:   default:
michael@0:     d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_DEFAULT;
michael@0:   }
michael@0: 
michael@0:   if (d2dAAMode == D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE &&
michael@0:       mFormat != SurfaceFormat::B8G8R8X8) {
michael@0:     d2dAAMode = D2D1_TEXT_ANTIALIAS_MODE_GRAYSCALE;
michael@0:   }
michael@0: 
michael@0:   rt->SetTextAntialiasMode(d2dAAMode);
michael@0: 
michael@0:   if (rt != mRT || params != mTextRenderingParams) {
michael@0:     rt->SetTextRenderingParams(params);
michael@0:     if (rt == mRT) {
michael@0:       mTextRenderingParams = params;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aPattern, aOptions.mAlpha);
michael@0: 
michael@0:   AutoDWriteGlyphRun autoRun;
michael@0:   DWriteGlyphRunFromGlyphs(aBuffer, font, &autoRun);
michael@0: 
michael@0:   if (brush) {
michael@0:     rt->DrawGlyphRun(D2D1::Point2F(), &autoRun, brush);
michael@0:   }
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aPattern, Rect(0, 0, (Float)mSize.width, (Float)mSize.height));
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::Mask(const Pattern &aSource,
michael@0:                     const Pattern &aMask,
michael@0:                     const DrawOptions &aOptions)
michael@0: {
michael@0:   ID2D1RenderTarget *rt = GetRTForOperation(aOptions.mCompositionOp, aSource);
michael@0:   
michael@0:   PrepareForDrawing(rt);
michael@0: 
michael@0:   RefPtr<ID2D1Brush> brush = CreateBrushForPattern(aSource, aOptions.mAlpha);
michael@0:   RefPtr<ID2D1Brush> maskBrush = CreateBrushForPattern(aMask, 1.0f);
michael@0: 
michael@0:   RefPtr<ID2D1Layer> layer;
michael@0: 
michael@0:   layer = GetCachedLayer();
michael@0: 
michael@0:   rt->PushLayer(D2D1::LayerParameters(D2D1::InfiniteRect(), nullptr,
michael@0:                                       D2D1_ANTIALIAS_MODE_PER_PRIMITIVE,
michael@0:                                       D2D1::IdentityMatrix(),
michael@0:                                       1.0f, maskBrush),
michael@0:                 layer);
michael@0: 
michael@0:   Rect rect(0, 0, (Float)mSize.width, (Float)mSize.height);
michael@0:   Matrix mat = mTransform;
michael@0:   mat.Invert();
michael@0:   
michael@0:   rt->FillRectangle(D2DRect(mat.TransformBounds(rect)), brush);
michael@0:   PopCachedLayer(rt);
michael@0: 
michael@0:   FinalizeRTForOperation(aOptions.mCompositionOp, aSource, Rect(0, 0, (Float)mSize.width, (Float)mSize.height));
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PushClip(const Path *aPath)
michael@0: {
michael@0:   if (aPath->GetBackendType() != BackendType::DIRECT2D) {
michael@0:     gfxDebug() << *this << ": Ignoring clipping call for incompatible path.";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   mCurrentClipMaskTexture = nullptr;
michael@0:   mCurrentClippedGeometry = nullptr;
michael@0: 
michael@0:   RefPtr<PathD2D> pathD2D = static_cast<PathD2D*>(const_cast<Path*>(aPath));
michael@0: 
michael@0:   PushedClip clip;
michael@0:   clip.mTransform = D2DMatrix(mTransform);
michael@0:   clip.mPath = pathD2D;
michael@0:   
michael@0:   pathD2D->mGeometry->GetBounds(clip.mTransform, &clip.mBounds);
michael@0:   
michael@0:   clip.mLayer = GetCachedLayer();
michael@0: 
michael@0:   mPushedClips.push_back(clip);
michael@0: 
michael@0:   // The transform of clips is relative to the world matrix, since we use the total
michael@0:   // transform for the clips, make the world matrix identity.
michael@0:   mRT->SetTransform(D2D1::IdentityMatrix());
michael@0:   mTransformDirty = true;
michael@0: 
michael@0:   if (mClipsArePushed) {
michael@0:     PushD2DLayer(mRT, pathD2D->mGeometry, clip.mLayer, clip.mTransform);
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PushClipRect(const Rect &aRect)
michael@0: {
michael@0:   mCurrentClipMaskTexture = nullptr;
michael@0:   mCurrentClippedGeometry = nullptr;
michael@0:   if (!mTransform.IsRectilinear()) {
michael@0:     // Whoops, this isn't a rectangle in device space, Direct2D will not deal
michael@0:     // with this transform the way we want it to.
michael@0:     // See remarks: http://msdn.microsoft.com/en-us/library/dd316860%28VS.85%29.aspx
michael@0: 
michael@0:     RefPtr<PathBuilder> pathBuilder = CreatePathBuilder();
michael@0:     pathBuilder->MoveTo(aRect.TopLeft());
michael@0:     pathBuilder->LineTo(aRect.TopRight());
michael@0:     pathBuilder->LineTo(aRect.BottomRight());
michael@0:     pathBuilder->LineTo(aRect.BottomLeft());
michael@0:     pathBuilder->Close();
michael@0:     RefPtr<Path> path = pathBuilder->Finish();
michael@0:     return PushClip(path);
michael@0:   }
michael@0: 
michael@0:   PushedClip clip;
michael@0:   Rect rect = mTransform.TransformBounds(aRect);
michael@0:   IntRect intRect;
michael@0:   clip.mIsPixelAligned = rect.ToIntRect(&intRect);
michael@0: 
michael@0:   // Do not store the transform, just store the device space rectangle directly.
michael@0:   clip.mBounds = D2DRect(rect);
michael@0: 
michael@0:   mPushedClips.push_back(clip);
michael@0: 
michael@0:   mRT->SetTransform(D2D1::IdentityMatrix());
michael@0:   mTransformDirty = true;
michael@0: 
michael@0:   if (mClipsArePushed) {
michael@0:     mRT->PushAxisAlignedClip(clip.mBounds, clip.mIsPixelAligned ? D2D1_ANTIALIAS_MODE_ALIASED : D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PopClip()
michael@0: {
michael@0:   mCurrentClipMaskTexture = nullptr;
michael@0:   mCurrentClippedGeometry = nullptr;
michael@0:   if (mClipsArePushed) {
michael@0:     if (mPushedClips.back().mLayer) {
michael@0:       PopCachedLayer(mRT);
michael@0:     } else {
michael@0:       mRT->PopAxisAlignedClip();
michael@0:     }
michael@0:   }
michael@0:   mPushedClips.pop_back();
michael@0: }
michael@0: 
michael@0: TemporaryRef<SourceSurface> 
michael@0: DrawTargetD2D::CreateSourceSurfaceFromData(unsigned char *aData,
michael@0:                                            const IntSize &aSize,
michael@0:                                            int32_t aStride,
michael@0:                                            SurfaceFormat aFormat) const
michael@0: {
michael@0:   RefPtr<SourceSurfaceD2D> newSurf = new SourceSurfaceD2D();
michael@0: 
michael@0:   if (!newSurf->InitFromData(aData, aSize, aStride, aFormat, mRT)) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return newSurf;
michael@0: }
michael@0: 
michael@0: TemporaryRef<SourceSurface> 
michael@0: DrawTargetD2D::OptimizeSourceSurface(SourceSurface *aSurface) const
michael@0: {
michael@0:   if (aSurface->GetType() == SurfaceType::D2D1_BITMAP ||
michael@0:       aSurface->GetType() == SurfaceType::D2D1_DRAWTARGET) {
michael@0:     return aSurface;
michael@0:   }
michael@0: 
michael@0:   RefPtr<DataSourceSurface> data = aSurface->GetDataSurface();
michael@0: 
michael@0:   DataSourceSurface::MappedSurface map;
michael@0:   if (!data->Map(DataSourceSurface::MapType::READ, &map)) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   RefPtr<SourceSurfaceD2D> newSurf = new SourceSurfaceD2D();
michael@0:   bool success = newSurf->InitFromData(map.mData, data->GetSize(), map.mStride, data->GetFormat(), mRT);
michael@0: 
michael@0:   data->Unmap();
michael@0: 
michael@0:   if (!success) {
michael@0:     return data;
michael@0:   }
michael@0:   return newSurf;
michael@0: }
michael@0: 
michael@0: TemporaryRef<SourceSurface>
michael@0: DrawTargetD2D::CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const
michael@0: {
michael@0:   if (aSurface.mType != NativeSurfaceType::D3D10_TEXTURE) {
michael@0:     gfxDebug() << *this << ": Failure to create source surface from non-D3D10 texture native surface.";
michael@0:     return nullptr;
michael@0:   }
michael@0:   RefPtr<SourceSurfaceD2D> newSurf = new SourceSurfaceD2D();
michael@0: 
michael@0:   if (!newSurf->InitFromTexture(static_cast<ID3D10Texture2D*>(aSurface.mSurface),
michael@0:                                 aSurface.mFormat,
michael@0:                                 mRT))
michael@0:   {
michael@0:     gfxWarning() << *this << ": Failed to create SourceSurface from texture.";
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return newSurf;
michael@0: }
michael@0: 
michael@0: TemporaryRef<DrawTarget>
michael@0: DrawTargetD2D::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
michael@0: {
michael@0:   RefPtr<DrawTargetD2D> newTarget =
michael@0:     new DrawTargetD2D();
michael@0: 
michael@0:   if (!newTarget->Init(aSize, aFormat)) {
michael@0:     gfxDebug() << *this << ": Failed to create optimal draw target. Size: " << aSize;
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return newTarget;
michael@0: }
michael@0: 
michael@0: TemporaryRef<PathBuilder>
michael@0: DrawTargetD2D::CreatePathBuilder(FillRule aFillRule) const
michael@0: {
michael@0:   RefPtr<ID2D1PathGeometry> path;
michael@0:   HRESULT hr = factory()->CreatePathGeometry(byRef(path));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create Direct2D Path Geometry. Code: " << hr;
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID2D1GeometrySink> sink;
michael@0:   hr = path->Open(byRef(sink));
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to access Direct2D Path Geometry. Code: " << hr;
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   if (aFillRule == FillRule::FILL_WINDING) {
michael@0:     sink->SetFillMode(D2D1_FILL_MODE_WINDING);
michael@0:   }
michael@0: 
michael@0:   return new PathBuilderD2D(sink, path, aFillRule);
michael@0: }
michael@0: 
michael@0: TemporaryRef<GradientStops>
michael@0: DrawTargetD2D::CreateGradientStops(GradientStop *rawStops, uint32_t aNumStops, ExtendMode aExtendMode) const
michael@0: {
michael@0:   D2D1_GRADIENT_STOP *stops = new D2D1_GRADIENT_STOP[aNumStops];
michael@0: 
michael@0:   for (uint32_t i = 0; i < aNumStops; i++) {
michael@0:     stops[i].position = rawStops[i].offset;
michael@0:     stops[i].color = D2DColor(rawStops[i].color);
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID2D1GradientStopCollection> stopCollection;
michael@0: 
michael@0:   HRESULT hr =
michael@0:     mRT->CreateGradientStopCollection(stops, aNumStops,
michael@0:                                       D2D1_GAMMA_2_2, D2DExtend(aExtendMode),
michael@0:                                       byRef(stopCollection));
michael@0:   delete [] stops;
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create GradientStopCollection. Code: " << hr;
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return new GradientStopsD2D(stopCollection);
michael@0: }
michael@0: 
michael@0: TemporaryRef<FilterNode>
michael@0: DrawTargetD2D::CreateFilter(FilterType aType)
michael@0: {
michael@0: #ifdef USE_D2D1_1
michael@0:   RefPtr<ID2D1DeviceContext> dc;
michael@0:   HRESULT hr = mRT->QueryInterface((ID2D1DeviceContext**)byRef(dc));
michael@0: 
michael@0:   if (SUCCEEDED(hr)) {
michael@0:     return FilterNodeD2D1::Create(this, dc, aType);
michael@0:   }
michael@0: #endif
michael@0:   return FilterNodeSoftware::Create(aType);
michael@0: }
michael@0: 
michael@0: void*
michael@0: DrawTargetD2D::GetNativeSurface(NativeSurfaceType aType)
michael@0: {
michael@0:   if (aType != NativeSurfaceType::D3D10_TEXTURE) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return mTexture;
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * Public functions
michael@0:  */
michael@0: bool
michael@0: DrawTargetD2D::Init(const IntSize &aSize, SurfaceFormat aFormat)
michael@0: {
michael@0:   HRESULT hr;
michael@0: 
michael@0:   mSize = aSize;
michael@0:   mFormat = aFormat;
michael@0: 
michael@0:   if (!Factory::GetDirect3D10Device()) {
michael@0:     gfxDebug() << "Failed to Init Direct2D DrawTarget (No D3D10 Device set.)";
michael@0:     return false;
michael@0:   }
michael@0:   mDevice = Factory::GetDirect3D10Device();
michael@0: 
michael@0:   CD3D10_TEXTURE2D_DESC desc(DXGIFormat(aFormat),
michael@0:                              mSize.width,
michael@0:                              mSize.height,
michael@0:                              1, 1);
michael@0:   desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:   hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(mTexture));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxDebug() << "Failed to init Direct2D DrawTarget. Size: " << mSize << " Code: " << hr;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   if (!InitD2DRenderTarget()) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   mRT->Clear(D2D1::ColorF(0, 0));
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: bool
michael@0: DrawTargetD2D::Init(ID3D10Texture2D *aTexture, SurfaceFormat aFormat)
michael@0: {
michael@0:   HRESULT hr;
michael@0: 
michael@0:   mTexture = aTexture;
michael@0:   mFormat = aFormat;
michael@0: 
michael@0:   if (!mTexture) {
michael@0:     gfxDebug() << "No valid texture for Direct2D draw target initialization.";
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID3D10Device> device;
michael@0:   mTexture->GetDevice(byRef(device));
michael@0: 
michael@0:   hr = device->QueryInterface((ID3D10Device1**)byRef(mDevice));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to get D3D10 device from texture.";
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   D3D10_TEXTURE2D_DESC desc;
michael@0:   mTexture->GetDesc(&desc);
michael@0:   mSize.width = desc.Width;
michael@0:   mSize.height = desc.Height;
michael@0: 
michael@0:   return InitD2DRenderTarget();
michael@0: }
michael@0: 
michael@0: // {0D398B49-AE7B-416F-B26D-EA3C137D1CF7}
michael@0: static const GUID sPrivateDataD2D = 
michael@0: { 0xd398b49, 0xae7b, 0x416f, { 0xb2, 0x6d, 0xea, 0x3c, 0x13, 0x7d, 0x1c, 0xf7 } };
michael@0: 
michael@0: bool
michael@0: DrawTargetD2D::InitD3D10Data()
michael@0: {
michael@0:   HRESULT hr;
michael@0:   
michael@0:   UINT privateDataSize;
michael@0:   privateDataSize = sizeof(mPrivateData);
michael@0:   hr = mDevice->GetPrivateData(sPrivateDataD2D, &privateDataSize, &mPrivateData);
michael@0: 
michael@0:   if (SUCCEEDED(hr)) {
michael@0:       return true;
michael@0:   }
michael@0: 
michael@0:   mPrivateData = new PrivateD3D10DataD2D;
michael@0: 
michael@0:   decltype(D3D10CreateEffectFromMemory)* createD3DEffect;
michael@0:   HMODULE d3dModule = LoadLibraryW(L"d3d10_1.dll");
michael@0:   createD3DEffect = (decltype(D3D10CreateEffectFromMemory)*)
michael@0:       GetProcAddress(d3dModule, "D3D10CreateEffectFromMemory");
michael@0: 
michael@0:   hr = createD3DEffect((void*)d2deffect, sizeof(d2deffect), 0, mDevice, nullptr, byRef(mPrivateData->mEffect));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to initialize Direct2D required effects. Code: " << hr;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   privateDataSize = sizeof(mPrivateData);
michael@0:   mDevice->SetPrivateData(sPrivateDataD2D, privateDataSize, &mPrivateData);
michael@0: 
michael@0:   D3D10_INPUT_ELEMENT_DESC layout[] =
michael@0:   {
michael@0:     { "POSITION", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 0, D3D10_INPUT_PER_VERTEX_DATA, 0 },
michael@0:   };
michael@0:   D3D10_PASS_DESC passDesc;
michael@0:   
michael@0:   mPrivateData->mEffect->GetTechniqueByName("SampleTexture")->GetPassByIndex(0)->GetDesc(&passDesc);
michael@0: 
michael@0:   hr = mDevice->CreateInputLayout(layout,
michael@0:                                   sizeof(layout) / sizeof(D3D10_INPUT_ELEMENT_DESC),
michael@0:                                   passDesc.pIAInputSignature,
michael@0:                                   passDesc.IAInputSignatureSize,
michael@0:                                   byRef(mPrivateData->mInputLayout));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to initialize Direct2D required InputLayout. Code: " << hr;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   D3D10_SUBRESOURCE_DATA data;
michael@0:   Vertex vertices[] = { {0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}, {1.0, 1.0} };
michael@0:   data.pSysMem = vertices;
michael@0:   CD3D10_BUFFER_DESC bufferDesc(sizeof(vertices), D3D10_BIND_VERTEX_BUFFER);
michael@0: 
michael@0:   hr = mDevice->CreateBuffer(&bufferDesc, &data, byRef(mPrivateData->mVB));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to initialize Direct2D required VertexBuffer. Code: " << hr;
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * Private helpers
michael@0:  */
michael@0: uint32_t
michael@0: DrawTargetD2D::GetByteSize() const
michael@0: {
michael@0:   return mSize.width * mSize.height * BytesPerPixel(mFormat);
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID2D1Layer>
michael@0: DrawTargetD2D::GetCachedLayer()
michael@0: {
michael@0:   RefPtr<ID2D1Layer> layer;
michael@0: 
michael@0:   if (mCurrentCachedLayer < 5) {
michael@0:     if (!mCachedLayers[mCurrentCachedLayer]) {
michael@0:       mRT->CreateLayer(byRef(mCachedLayers[mCurrentCachedLayer]));
michael@0:       mVRAMUsageDT += GetByteSize();
michael@0:     }
michael@0:     layer = mCachedLayers[mCurrentCachedLayer];
michael@0:   } else {
michael@0:     mRT->CreateLayer(byRef(layer));
michael@0:   }
michael@0: 
michael@0:   mCurrentCachedLayer++;
michael@0:   return layer;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PopCachedLayer(ID2D1RenderTarget *aRT)
michael@0: {
michael@0:   aRT->PopLayer();
michael@0:   mCurrentCachedLayer--;
michael@0: }
michael@0: 
michael@0: bool
michael@0: DrawTargetD2D::InitD2DRenderTarget()
michael@0: {
michael@0:   if (!factory()) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   mRT = CreateRTForTexture(mTexture, mFormat);
michael@0: 
michael@0:   if (!mRT) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   mRT->BeginDraw();
michael@0: 
michael@0:   if (mFormat == SurfaceFormat::B8G8R8X8) {
michael@0:     mRT->SetTextAntialiasMode(D2D1_TEXT_ANTIALIAS_MODE_CLEARTYPE);
michael@0:   }
michael@0: 
michael@0:   mVRAMUsageDT += GetByteSize();
michael@0: 
michael@0:   return InitD3D10Data();
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PrepareForDrawing(ID2D1RenderTarget *aRT)
michael@0: {
michael@0:   if (!mClipsArePushed || aRT == mTempRT) {
michael@0:     if (mPushedClips.size()) {
michael@0:       // The transform of clips is relative to the world matrix, since we use the total
michael@0:       // transform for the clips, make the world matrix identity.
michael@0:       aRT->SetTransform(D2D1::IdentityMatrix());
michael@0:       if (aRT == mRT) {
michael@0:         mTransformDirty = true;
michael@0:         mClipsArePushed = true;
michael@0:       }
michael@0:       PushClipsToRT(aRT);
michael@0:     }
michael@0:   }
michael@0:   FlushTransformToRT();
michael@0:   MarkChanged();
michael@0: 
michael@0:   if (aRT == mTempRT) {
michael@0:     mTempRT->SetTransform(D2DMatrix(mTransform));
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::MarkChanged()
michael@0: {
michael@0:   if (mSnapshot) {
michael@0:     if (mSnapshot->hasOneRef()) {
michael@0:       // Just destroy it, since no-one else knows about it.
michael@0:       mSnapshot = nullptr;
michael@0:     } else {
michael@0:       mSnapshot->DrawTargetWillChange();
michael@0:       // The snapshot will no longer depend on this target.
michael@0:       MOZ_ASSERT(!mSnapshot);
michael@0:     }
michael@0:   }
michael@0:   if (mDependentTargets.size()) {
michael@0:     // Copy mDependentTargets since the Flush()es below will modify it.
michael@0:     TargetSet tmpTargets = mDependentTargets;
michael@0:     for (TargetSet::iterator iter = tmpTargets.begin();
michael@0:          iter != tmpTargets.end(); iter++) {
michael@0:       (*iter)->Flush();
michael@0:     }
michael@0:     // The Flush() should have broken all dependencies on this target.
michael@0:     MOZ_ASSERT(!mDependentTargets.size());
michael@0:   }
michael@0: }
michael@0: 
michael@0: ID3D10BlendState*
michael@0: DrawTargetD2D::GetBlendStateForOperator(CompositionOp aOperator)
michael@0: {
michael@0:   size_t operatorIndex = static_cast<size_t>(aOperator);
michael@0:   if (mPrivateData->mBlendStates[operatorIndex]) {
michael@0:     return mPrivateData->mBlendStates[operatorIndex];
michael@0:   }
michael@0: 
michael@0:   D3D10_BLEND_DESC desc;
michael@0: 
michael@0:   memset(&desc, 0, sizeof(D3D10_BLEND_DESC));
michael@0: 
michael@0:   desc.AlphaToCoverageEnable = FALSE;
michael@0:   desc.BlendEnable[0] = TRUE;
michael@0:   desc.RenderTargetWriteMask[0] = D3D10_COLOR_WRITE_ENABLE_ALL;
michael@0:   desc.BlendOp = desc.BlendOpAlpha = D3D10_BLEND_OP_ADD;
michael@0: 
michael@0:   switch (aOperator) {
michael@0:   case CompositionOp::OP_ADD:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_ONE;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_ONE;
michael@0:     break;
michael@0:   case CompositionOp::OP_IN:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_ZERO;
michael@0:     break;
michael@0:   case CompositionOp::OP_OUT:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_INV_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_ZERO;
michael@0:     break;
michael@0:   case CompositionOp::OP_ATOP:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
michael@0:     break;
michael@0:   case CompositionOp::OP_DEST_IN:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_ZERO;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_SRC_ALPHA;
michael@0:     break;
michael@0:   case CompositionOp::OP_DEST_OUT:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_ZERO;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
michael@0:     break;
michael@0:   case CompositionOp::OP_DEST_ATOP:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_INV_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_SRC_ALPHA;
michael@0:     break;
michael@0:   case CompositionOp::OP_DEST_OVER:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_INV_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_ONE;
michael@0:     break;
michael@0:   case CompositionOp::OP_XOR:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_INV_DEST_ALPHA;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
michael@0:     break;
michael@0:   case CompositionOp::OP_SOURCE:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_ONE;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_ZERO;
michael@0:     break;
michael@0:   default:
michael@0:     desc.SrcBlend = desc.SrcBlendAlpha = D3D10_BLEND_ONE;
michael@0:     desc.DestBlend = desc.DestBlendAlpha = D3D10_BLEND_INV_SRC_ALPHA;
michael@0:   }
michael@0:   
michael@0:   mDevice->CreateBlendState(&desc, byRef(mPrivateData->mBlendStates[operatorIndex]));
michael@0: 
michael@0:   return mPrivateData->mBlendStates[operatorIndex];
michael@0: }
michael@0: 
michael@0: /* This function prepares the temporary RT for drawing and returns it when a
michael@0:  * drawing operation other than OVER is required.
michael@0:  */
michael@0: ID2D1RenderTarget*
michael@0: DrawTargetD2D::GetRTForOperation(CompositionOp aOperator, const Pattern &aPattern)
michael@0: {
michael@0:   if (aOperator == CompositionOp::OP_OVER && IsPatternSupportedByD2D(aPattern)) {
michael@0:     return mRT;
michael@0:   }
michael@0: 
michael@0:   PopAllClips();
michael@0: 
michael@0:   if (aOperator > CompositionOp::OP_XOR) {
michael@0:     mRT->Flush();
michael@0:   }
michael@0: 
michael@0:   if (mTempRT) {
michael@0:     mTempRT->Clear(D2D1::ColorF(0, 0));
michael@0:     return mTempRT;
michael@0:   }
michael@0: 
michael@0:   EnsureViews();
michael@0: 
michael@0:   if (!mRTView || !mSRView) {
michael@0:     gfxDebug() << *this << ": Failed to get required views. Defaulting to CompositionOp::OP_OVER.";
michael@0:     return mRT;
michael@0:   }
michael@0: 
michael@0:   mTempRT = CreateRTForTexture(mTempTexture, SurfaceFormat::B8G8R8A8);
michael@0: 
michael@0:   if (!mTempRT) {
michael@0:     return mRT;
michael@0:   }
michael@0: 
michael@0:   mVRAMUsageDT += GetByteSize();
michael@0: 
michael@0:   mTempRT->BeginDraw();
michael@0: 
michael@0:   mTempRT->Clear(D2D1::ColorF(0, 0));
michael@0: 
michael@0:   return mTempRT;
michael@0: }
michael@0: 
michael@0: /* This function blends back the content of a drawing operation (drawn to an
michael@0:  * empty surface with OVER, so the surface now contains the source operation
michael@0:  * contents) to the rendertarget using the requested composition operation.
michael@0:  * In order to respect clip for operations which are unbound by their mask,
michael@0:  * the old content of the surface outside the clipped area may be blended back
michael@0:  * to the surface.
michael@0:  */
michael@0: void
michael@0: DrawTargetD2D::FinalizeRTForOperation(CompositionOp aOperator, const Pattern &aPattern, const Rect &aBounds)
michael@0: {
michael@0:   if (aOperator == CompositionOp::OP_OVER && IsPatternSupportedByD2D(aPattern)) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   if (!mTempRT) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   PopClipsFromRT(mTempRT);
michael@0: 
michael@0:   mRT->Flush();
michael@0:   mTempRT->Flush();
michael@0: 
michael@0:   AutoSaveRestoreClippedOut restoreClippedOut(this);
michael@0: 
michael@0:   bool needsWriteBack =
michael@0:     !IsOperatorBoundByMask(aOperator) && mPushedClips.size();
michael@0: 
michael@0:   if (needsWriteBack) {
michael@0:     restoreClippedOut.Save();
michael@0:   }
michael@0: 
michael@0:   ID3D10RenderTargetView *rtViews = mRTView;
michael@0:   mDevice->OMSetRenderTargets(1, &rtViews, nullptr);
michael@0: 
michael@0:   UINT stride = sizeof(Vertex);
michael@0:   UINT offset = 0;
michael@0:   ID3D10Buffer *buff = mPrivateData->mVB;
michael@0: 
michael@0:   mDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
michael@0:   mDevice->IASetVertexBuffers(0, 1, &buff, &stride, &offset);
michael@0:   mDevice->IASetInputLayout(mPrivateData->mInputLayout);
michael@0: 
michael@0:   D3D10_VIEWPORT viewport;
michael@0:   viewport.MaxDepth = 1;
michael@0:   viewport.MinDepth = 0;
michael@0:   viewport.Height = mSize.height;
michael@0:   viewport.Width = mSize.width;
michael@0:   viewport.TopLeftX = 0;
michael@0:   viewport.TopLeftY = 0;
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> tmpTexture;
michael@0:   RefPtr<ID3D10ShaderResourceView> mBckSRView;
michael@0: 
michael@0:   mDevice->RSSetViewports(1, &viewport);
michael@0:   mPrivateData->mEffect->GetVariableByName("QuadDesc")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(-1.0f, 1.0f, 2.0f, -2.0f));
michael@0: 
michael@0:   if (IsPatternSupportedByD2D(aPattern)) {
michael@0:     mPrivateData->mEffect->GetVariableByName("TexCoords")->AsVector()->
michael@0:       SetFloatVector(ShaderConstantRectD3D10(0, 0, 1.0f, 1.0f));
michael@0:     mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(mSRView);
michael@0: 
michael@0:     // Handle the case where we blend with the backdrop
michael@0:     if (aOperator > CompositionOp::OP_XOR) {
michael@0:       IntSize size = mSize;
michael@0:       SurfaceFormat format = mFormat;
michael@0: 
michael@0:       CD3D10_TEXTURE2D_DESC desc(DXGIFormat(format), size.width, size.height, 1, 1);
michael@0:       desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:       HRESULT hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(tmpTexture));
michael@0:       if (FAILED(hr)) {
michael@0:         gfxWarning() << "Failed to create temporary texture to hold surface data.";
michael@0:         return;
michael@0:       }
michael@0: 
michael@0:       mDevice->CopyResource(tmpTexture, mTexture);
michael@0:       if (FAILED(hr)) {
michael@0:         gfxWarning() << *this << "Failed to create shader resource view for temp texture. Code: " << hr;
michael@0:         return;
michael@0:       }
michael@0: 
michael@0:       DrawTargetD2D::Flush();
michael@0: 
michael@0:       hr = mDevice->CreateShaderResourceView(tmpTexture, nullptr, byRef(mBckSRView));
michael@0: 
michael@0:       if (FAILED(hr)) {
michael@0:         gfxWarning() << *this << "Failed to create shader resource view for temp texture. Code: " << hr;
michael@0:         return;
michael@0:       }
michael@0: 
michael@0:       unsigned int compop = (unsigned int)aOperator - (unsigned int)CompositionOp::OP_XOR;
michael@0:       mPrivateData->mEffect->GetVariableByName("bcktex")->AsShaderResource()->SetResource(mBckSRView);
michael@0:       mPrivateData->mEffect->GetVariableByName("blendop")->AsScalar()->SetInt(compop);
michael@0: 
michael@0:       if (aOperator > CompositionOp::OP_EXCLUSION)
michael@0:         mPrivateData->mEffect->GetTechniqueByName("SampleTextureForNonSeparableBlending")->
michael@0:           GetPassByIndex(0)->Apply(0);
michael@0:       else if (aOperator > CompositionOp::OP_COLOR_DODGE)
michael@0:         mPrivateData->mEffect->GetTechniqueByName("SampleTextureForSeparableBlending_2")->
michael@0:           GetPassByIndex(0)->Apply(0);
michael@0:       else
michael@0:         mPrivateData->mEffect->GetTechniqueByName("SampleTextureForSeparableBlending_1")->
michael@0:           GetPassByIndex(0)->Apply(0);
michael@0:     }
michael@0:     else {
michael@0:       mPrivateData->mEffect->GetTechniqueByName("SampleTexture")->GetPassByIndex(0)->Apply(0);
michael@0:     }
michael@0: 
michael@0:   } else if (aPattern.GetType() == PatternType::RADIAL_GRADIENT) {
michael@0:     const RadialGradientPattern *pat = static_cast<const RadialGradientPattern*>(&aPattern);
michael@0: 
michael@0:     if (pat->mCenter1 == pat->mCenter2 && pat->mRadius1 == pat->mRadius2) {
michael@0:       // Draw nothing!
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     mPrivateData->mEffect->GetVariableByName("mask")->AsShaderResource()->SetResource(mSRView);
michael@0: 
michael@0:     SetupEffectForRadialGradient(pat);
michael@0:   }
michael@0: 
michael@0:   mDevice->OMSetBlendState(GetBlendStateForOperator(aOperator), nullptr, 0xffffffff);
michael@0:   
michael@0:   SetScissorToRect(nullptr);
michael@0:   mDevice->Draw(4, 0);
michael@0: }
michael@0: 
michael@0: static D2D1_RECT_F
michael@0: IntersectRect(const D2D1_RECT_F& aRect1, const D2D1_RECT_F& aRect2)
michael@0: {
michael@0:   D2D1_RECT_F result;
michael@0:   result.left = max(aRect1.left, aRect2.left);
michael@0:   result.top = max(aRect1.top, aRect2.top);
michael@0:   result.right = min(aRect1.right, aRect2.right);
michael@0:   result.bottom = min(aRect1.bottom, aRect2.bottom);
michael@0: 
michael@0:   result.right = max(result.right, result.left);
michael@0:   result.bottom = max(result.bottom, result.top);
michael@0: 
michael@0:   return result;
michael@0: }
michael@0: 
michael@0: bool
michael@0: DrawTargetD2D::GetDeviceSpaceClipRect(D2D1_RECT_F& aClipRect, bool& aIsPixelAligned)
michael@0: {
michael@0:   if (!mPushedClips.size()) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   std::vector<DrawTargetD2D::PushedClip>::iterator iter = mPushedClips.begin();
michael@0:   if (iter->mPath) {
michael@0:     return false;
michael@0:   }
michael@0:   aClipRect = iter->mBounds;
michael@0:   aIsPixelAligned = iter->mIsPixelAligned;
michael@0: 
michael@0:   iter++;
michael@0:   for (;iter != mPushedClips.end(); iter++) {
michael@0:     if (iter->mPath) {
michael@0:       return false;
michael@0:     }
michael@0:     aClipRect = IntersectRect(aClipRect, iter->mBounds);
michael@0:     if (!iter->mIsPixelAligned) {
michael@0:       aIsPixelAligned = false;
michael@0:     }
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID2D1Geometry>
michael@0: DrawTargetD2D::GetClippedGeometry(IntRect *aClipBounds)
michael@0: {
michael@0:   if (mCurrentClippedGeometry) {
michael@0:     *aClipBounds = mCurrentClipBounds;
michael@0:     return mCurrentClippedGeometry;
michael@0:   }
michael@0: 
michael@0:   mCurrentClipBounds = IntRect(IntPoint(0, 0), mSize);
michael@0: 
michael@0:   // if pathGeom is null then pathRect represents the path.
michael@0:   RefPtr<ID2D1Geometry> pathGeom;
michael@0:   D2D1_RECT_F pathRect;
michael@0:   bool pathRectIsAxisAligned = false;
michael@0:   std::vector<DrawTargetD2D::PushedClip>::iterator iter = mPushedClips.begin();
michael@0:   
michael@0:   if (iter->mPath) {
michael@0:     pathGeom = GetTransformedGeometry(iter->mPath->GetGeometry(), iter->mTransform);
michael@0:   } else {
michael@0:     pathRect = iter->mBounds;
michael@0:     pathRectIsAxisAligned = iter->mIsPixelAligned;
michael@0:   }
michael@0: 
michael@0:   iter++;
michael@0:   for (;iter != mPushedClips.end(); iter++) {
michael@0:     // Do nothing but add it to the current clip bounds.
michael@0:     if (!iter->mPath && iter->mIsPixelAligned) {
michael@0:       mCurrentClipBounds.IntersectRect(mCurrentClipBounds,
michael@0:         IntRect(int32_t(iter->mBounds.left), int32_t(iter->mBounds.top),
michael@0:                 int32_t(iter->mBounds.right - iter->mBounds.left),
michael@0:                 int32_t(iter->mBounds.bottom - iter->mBounds.top)));
michael@0:       continue;
michael@0:     }
michael@0: 
michael@0:     if (!pathGeom) {
michael@0:       if (pathRectIsAxisAligned) {
michael@0:         mCurrentClipBounds.IntersectRect(mCurrentClipBounds,
michael@0:           IntRect(int32_t(pathRect.left), int32_t(pathRect.top),
michael@0:                   int32_t(pathRect.right - pathRect.left),
michael@0:                   int32_t(pathRect.bottom - pathRect.top)));
michael@0:       }
michael@0:       if (iter->mPath) {
michael@0:         // See if pathRect needs to go into the path geometry.
michael@0:         if (!pathRectIsAxisAligned) {
michael@0:           pathGeom = ConvertRectToGeometry(pathRect);
michael@0:         } else {
michael@0:           pathGeom = GetTransformedGeometry(iter->mPath->GetGeometry(), iter->mTransform);
michael@0:         }
michael@0:       } else {
michael@0:         pathRect = IntersectRect(pathRect, iter->mBounds);
michael@0:         pathRectIsAxisAligned = false;
michael@0:         continue;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     RefPtr<ID2D1PathGeometry> newGeom;
michael@0:     factory()->CreatePathGeometry(byRef(newGeom));
michael@0: 
michael@0:     RefPtr<ID2D1GeometrySink> currentSink;
michael@0:     newGeom->Open(byRef(currentSink));
michael@0: 
michael@0:     if (iter->mPath) {
michael@0:       pathGeom->CombineWithGeometry(iter->mPath->GetGeometry(), D2D1_COMBINE_MODE_INTERSECT,
michael@0:                                     iter->mTransform, currentSink);
michael@0:     } else {
michael@0:       RefPtr<ID2D1Geometry> rectGeom = ConvertRectToGeometry(iter->mBounds);
michael@0:       pathGeom->CombineWithGeometry(rectGeom, D2D1_COMBINE_MODE_INTERSECT,
michael@0:                                     D2D1::IdentityMatrix(), currentSink);
michael@0:     }
michael@0: 
michael@0:     currentSink->Close();
michael@0: 
michael@0:     pathGeom = newGeom.forget();
michael@0:   }
michael@0: 
michael@0:   // For now we need mCurrentClippedGeometry to always be non-nullptr. This
michael@0:   // method might seem a little strange but it is just fine, if pathGeom is
michael@0:   // nullptr pathRect will always still contain 1 clip unaccounted for
michael@0:   // regardless of mCurrentClipBounds.
michael@0:   if (!pathGeom) {
michael@0:     pathGeom = ConvertRectToGeometry(pathRect);
michael@0:   }
michael@0:   mCurrentClippedGeometry = pathGeom.forget();
michael@0:   *aClipBounds = mCurrentClipBounds;
michael@0:   return mCurrentClippedGeometry;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID2D1RenderTarget>
michael@0: DrawTargetD2D::CreateRTForTexture(ID3D10Texture2D *aTexture, SurfaceFormat aFormat)
michael@0: {
michael@0:   HRESULT hr;
michael@0: 
michael@0:   RefPtr<IDXGISurface> surface;
michael@0:   RefPtr<ID2D1RenderTarget> rt;
michael@0: 
michael@0:   hr = aTexture->QueryInterface((IDXGISurface**)byRef(surface));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to QI texture to surface.";
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   D3D10_TEXTURE2D_DESC desc;
michael@0:   aTexture->GetDesc(&desc);
michael@0: 
michael@0:   D2D1_ALPHA_MODE alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
michael@0: 
michael@0:   if (aFormat == SurfaceFormat::B8G8R8X8 && aTexture == mTexture) {
michael@0:     alphaMode = D2D1_ALPHA_MODE_IGNORE;
michael@0:   }
michael@0: 
michael@0:   D2D1_RENDER_TARGET_PROPERTIES props =
michael@0:     D2D1::RenderTargetProperties(D2D1_RENDER_TARGET_TYPE_DEFAULT, D2D1::PixelFormat(desc.Format, alphaMode));
michael@0:   hr = factory()->CreateDxgiSurfaceRenderTarget(surface, props, byRef(rt));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create D2D render target for texture.";
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return rt;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::EnsureViews()
michael@0: {
michael@0:   if (mTempTexture && mSRView && mRTView) {
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   HRESULT hr;
michael@0: 
michael@0:   CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM,
michael@0:                              mSize.width,
michael@0:                              mSize.height,
michael@0:                              1, 1);
michael@0:   desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:   hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(mTempTexture));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << *this << "Failed to create temporary texture for rendertarget. Size: "
michael@0:       << mSize << " Code: " << hr;
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   hr = mDevice->CreateShaderResourceView(mTempTexture, nullptr, byRef(mSRView));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << *this << "Failed to create shader resource view for temp texture. Code: " << hr;
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   hr = mDevice->CreateRenderTargetView(mTexture, nullptr, byRef(mRTView));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << *this << "Failed to create rendertarget view for temp texture. Code: " << hr;
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PopAllClips()
michael@0: {
michael@0:   if (mClipsArePushed) {
michael@0:     PopClipsFromRT(mRT);
michael@0:   
michael@0:     mClipsArePushed = false;
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PushClipsToRT(ID2D1RenderTarget *aRT)
michael@0: {
michael@0:   for (std::vector<PushedClip>::iterator iter = mPushedClips.begin();
michael@0:         iter != mPushedClips.end(); iter++) {
michael@0:     if (iter->mLayer) {
michael@0:       PushD2DLayer(aRT, iter->mPath->mGeometry, iter->mLayer, iter->mTransform);
michael@0:     } else {
michael@0:       aRT->PushAxisAlignedClip(iter->mBounds, iter->mIsPixelAligned ? D2D1_ANTIALIAS_MODE_ALIASED : D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PopClipsFromRT(ID2D1RenderTarget *aRT)
michael@0: {
michael@0:   for (int i = mPushedClips.size() - 1; i >= 0; i--) {
michael@0:     if (mPushedClips[i].mLayer) {
michael@0:       aRT->PopLayer();
michael@0:     } else {
michael@0:       aRT->PopAxisAlignedClip();
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::EnsureClipMaskTexture(IntRect *aBounds)
michael@0: {
michael@0:   if (mCurrentClipMaskTexture || mPushedClips.empty()) {
michael@0:     *aBounds = mCurrentClipBounds;
michael@0:     return;
michael@0:   }
michael@0:   
michael@0:   RefPtr<ID2D1Geometry> geometry = GetClippedGeometry(aBounds);
michael@0: 
michael@0:   CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_A8_UNORM,
michael@0:                              mSize.width,
michael@0:                              mSize.height,
michael@0:                              1, 1);
michael@0:   desc.BindFlags = D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE;
michael@0: 
michael@0:   HRESULT hr = mDevice->CreateTexture2D(&desc, nullptr, byRef(mCurrentClipMaskTexture));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create texture for ClipMask!";
michael@0:     return;
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID2D1RenderTarget> rt = CreateRTForTexture(mCurrentClipMaskTexture, SurfaceFormat::A8);
michael@0: 
michael@0:   if (!rt) {
michael@0:     gfxWarning() << "Failed to create RT for ClipMask!";
michael@0:     return;
michael@0:   }
michael@0:   
michael@0:   RefPtr<ID2D1SolidColorBrush> brush;
michael@0:   rt->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::White), byRef(brush));
michael@0:     
michael@0:   rt->BeginDraw();
michael@0:   rt->Clear(D2D1::ColorF(0, 0));
michael@0:   rt->FillGeometry(geometry, brush);
michael@0:   rt->EndDraw();
michael@0: }
michael@0: 
michael@0: bool
michael@0: DrawTargetD2D::FillGlyphsManual(ScaledFontDWrite *aFont,
michael@0:                                 const GlyphBuffer &aBuffer,
michael@0:                                 const Color &aColor,
michael@0:                                 IDWriteRenderingParams *aParams,
michael@0:                                 const DrawOptions &aOptions)
michael@0: {
michael@0:   HRESULT hr;
michael@0: 
michael@0:   RefPtr<IDWriteRenderingParams> params;
michael@0: 
michael@0:   if (aParams) {
michael@0:     params = aParams;
michael@0:   } else {
michael@0:     mRT->GetTextRenderingParams(byRef(params));
michael@0:   }
michael@0: 
michael@0:   DWRITE_RENDERING_MODE renderMode = DWRITE_RENDERING_MODE_DEFAULT;
michael@0:   if (params) {
michael@0:     hr = aFont->mFontFace->GetRecommendedRenderingMode(
michael@0:       (FLOAT)aFont->GetSize(),
michael@0:       1.0f,
michael@0:       DWRITE_MEASURING_MODE_NATURAL,
michael@0:       params,
michael@0:       &renderMode);
michael@0:     if (FAILED(hr)) {
michael@0:       // this probably never happens, but let's play it safe
michael@0:       renderMode = DWRITE_RENDERING_MODE_DEFAULT;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // Deal with rendering modes CreateGlyphRunAnalysis doesn't accept.
michael@0:   switch (renderMode) {
michael@0:   case DWRITE_RENDERING_MODE_ALIASED:
michael@0:     // ClearType texture creation will fail in this mode, so bail out
michael@0:     return false;
michael@0:   case DWRITE_RENDERING_MODE_DEFAULT:
michael@0:     // As per DWRITE_RENDERING_MODE documentation, pick Natural for font
michael@0:     // sizes under 16 ppem
michael@0:     if (aFont->GetSize() < 16.0f) {
michael@0:       renderMode = DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL;
michael@0:     } else {
michael@0:       renderMode = DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC;
michael@0:     }
michael@0:     break;
michael@0:   case DWRITE_RENDERING_MODE_OUTLINE:
michael@0:     renderMode = DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC;
michael@0:     break;
michael@0:   default:
michael@0:     break;
michael@0:   }
michael@0: 
michael@0:   DWRITE_MEASURING_MODE measureMode =
michael@0:     renderMode <= DWRITE_RENDERING_MODE_CLEARTYPE_GDI_CLASSIC ? DWRITE_MEASURING_MODE_GDI_CLASSIC :
michael@0:     renderMode == DWRITE_RENDERING_MODE_CLEARTYPE_GDI_NATURAL ? DWRITE_MEASURING_MODE_GDI_NATURAL :
michael@0:     DWRITE_MEASURING_MODE_NATURAL;
michael@0: 
michael@0:   DWRITE_MATRIX mat = DWriteMatrixFromMatrix(mTransform);
michael@0: 
michael@0:   AutoDWriteGlyphRun autoRun;
michael@0:   DWriteGlyphRunFromGlyphs(aBuffer, aFont, &autoRun);
michael@0: 
michael@0:   RefPtr<IDWriteGlyphRunAnalysis> analysis;
michael@0:   hr = GetDWriteFactory()->CreateGlyphRunAnalysis(&autoRun, 1.0f, &mat,
michael@0:                                                   renderMode, measureMode, 0, 0, byRef(analysis));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   RECT bounds;
michael@0:   hr = analysis->GetAlphaTextureBounds(DWRITE_TEXTURE_CLEARTYPE_3x1, &bounds);
michael@0: 
michael@0:   if (bounds.bottom <= bounds.top || bounds.right <= bounds.left) {
michael@0:     // DWrite seems to do this sometimes. I'm not 100% sure why. See bug 758980.
michael@0:     gfxDebug() << "Empty alpha texture bounds! Falling back to regular drawing.";
michael@0:     return false;
michael@0:   }
michael@0:   IntRect rectBounds(bounds.left, bounds.top, bounds.right - bounds.left, bounds.bottom - bounds.top);
michael@0:   IntRect surfBounds(IntPoint(0, 0), mSize);
michael@0: 
michael@0:   rectBounds.IntersectRect(rectBounds, surfBounds);
michael@0: 
michael@0:   if (rectBounds.IsEmpty()) {
michael@0:     // Nothing to do.
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> tex = CreateTextureForAnalysis(analysis, rectBounds);
michael@0: 
michael@0:   if (!tex) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   RefPtr<ID3D10ShaderResourceView> srView;
michael@0:   hr = mDevice->CreateShaderResourceView(tex, nullptr, byRef(srView));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     return false;
michael@0:   }
michael@0: 
michael@0:   MarkChanged();
michael@0: 
michael@0:   // Prepare our background texture for drawing.
michael@0:   PopAllClips();
michael@0:   mRT->Flush();
michael@0: 
michael@0:   SetupStateForRendering();
michael@0: 
michael@0:   ID3D10EffectTechnique *technique = mPrivateData->mEffect->GetTechniqueByName("SampleTextTexture");
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("QuadDesc")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(-1.0f + ((Float(rectBounds.x) / mSize.width) * 2.0f),
michael@0:                                            1.0f - (Float(rectBounds.y) / mSize.height * 2.0f),
michael@0:                                            (Float(rectBounds.width) / mSize.width) * 2.0f,
michael@0:                                            (-Float(rectBounds.height) / mSize.height) * 2.0f));
michael@0:   mPrivateData->mEffect->GetVariableByName("TexCoords")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(0, 0, 1.0f, 1.0f));
michael@0:   FLOAT color[4] = { aColor.r, aColor.g, aColor.b, aColor.a };
michael@0:   mPrivateData->mEffect->GetVariableByName("TextColor")->AsVector()->
michael@0:     SetFloatVector(color);
michael@0:   
michael@0:   mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(srView);
michael@0: 
michael@0:   bool isMasking = false;
michael@0: 
michael@0:   IntRect clipBoundsStorage;
michael@0:   IntRect *clipBounds = nullptr;
michael@0: 
michael@0:   if (!mPushedClips.empty()) {
michael@0:     clipBounds = &clipBoundsStorage;
michael@0:     RefPtr<ID2D1Geometry> geom = GetClippedGeometry(clipBounds);
michael@0: 
michael@0:     RefPtr<ID2D1RectangleGeometry> rectGeom;
michael@0:     factory()->CreateRectangleGeometry(D2D1::RectF(Float(rectBounds.x),
michael@0:                                                    Float(rectBounds.y),
michael@0:                                                    Float(rectBounds.width + rectBounds.x),
michael@0:                                                    Float(rectBounds.height + rectBounds.y)),
michael@0:                                        byRef(rectGeom));
michael@0: 
michael@0:     D2D1_GEOMETRY_RELATION relation;
michael@0:     if (FAILED(geom->CompareWithGeometry(rectGeom, D2D1::IdentityMatrix(), &relation)) ||
michael@0:         relation != D2D1_GEOMETRY_RELATION_CONTAINS ) {
michael@0:       isMasking = true;
michael@0:     }        
michael@0:   }
michael@0:   
michael@0:   if (isMasking) {
michael@0:     clipBounds = &clipBoundsStorage;
michael@0:     EnsureClipMaskTexture(clipBounds);
michael@0: 
michael@0:     RefPtr<ID3D10ShaderResourceView> srViewMask;
michael@0:     hr = mDevice->CreateShaderResourceView(mCurrentClipMaskTexture, nullptr, byRef(srViewMask));
michael@0: 
michael@0:     if (FAILED(hr)) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     mPrivateData->mEffect->GetVariableByName("mask")->AsShaderResource()->SetResource(srViewMask);
michael@0: 
michael@0:     mPrivateData->mEffect->GetVariableByName("MaskTexCoords")->AsVector()->
michael@0:       SetFloatVector(ShaderConstantRectD3D10(Float(rectBounds.x) / mSize.width, Float(rectBounds.y) / mSize.height,
michael@0:                                              Float(rectBounds.width) / mSize.width, Float(rectBounds.height) / mSize.height));
michael@0: 
michael@0:     technique->GetPassByIndex(1)->Apply(0);
michael@0:   } else {
michael@0:     technique->GetPassByIndex(0)->Apply(0);
michael@0:   }  
michael@0: 
michael@0:   RefPtr<ID3D10RenderTargetView> rtView;
michael@0:   ID3D10RenderTargetView *rtViews;
michael@0:   mDevice->CreateRenderTargetView(mTexture, nullptr, byRef(rtView));
michael@0: 
michael@0:   rtViews = rtView;
michael@0:   mDevice->OMSetRenderTargets(1, &rtViews, nullptr);
michael@0:   SetScissorToRect(clipBounds);
michael@0:   mDevice->Draw(4, 0);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID2D1Brush>
michael@0: DrawTargetD2D::CreateBrushForPattern(const Pattern &aPattern, Float aAlpha)
michael@0: {
michael@0:   if (!IsPatternSupportedByD2D(aPattern)) {
michael@0:     RefPtr<ID2D1SolidColorBrush> colBrush;
michael@0:     mRT->CreateSolidColorBrush(D2D1::ColorF(1.0f, 1.0f, 1.0f, 1.0f), byRef(colBrush));
michael@0:     return colBrush;
michael@0:   }
michael@0: 
michael@0:   if (aPattern.GetType() == PatternType::COLOR) {
michael@0:     RefPtr<ID2D1SolidColorBrush> colBrush;
michael@0:     Color color = static_cast<const ColorPattern*>(&aPattern)->mColor;
michael@0:     mRT->CreateSolidColorBrush(D2D1::ColorF(color.r, color.g,
michael@0:                                             color.b, color.a),
michael@0:                                D2D1::BrushProperties(aAlpha),
michael@0:                                byRef(colBrush));
michael@0:     return colBrush;
michael@0:   } else if (aPattern.GetType() == PatternType::LINEAR_GRADIENT) {
michael@0:     RefPtr<ID2D1LinearGradientBrush> gradBrush;
michael@0:     const LinearGradientPattern *pat =
michael@0:       static_cast<const LinearGradientPattern*>(&aPattern);
michael@0: 
michael@0:     GradientStopsD2D *stops = static_cast<GradientStopsD2D*>(pat->mStops.get());
michael@0: 
michael@0:     if (!stops) {
michael@0:       gfxDebug() << "No stops specified for gradient pattern.";
michael@0:       return nullptr;
michael@0:     }
michael@0: 
michael@0:     if (pat->mBegin == pat->mEnd) {
michael@0:       RefPtr<ID2D1SolidColorBrush> colBrush;
michael@0:       uint32_t stopCount = stops->mStopCollection->GetGradientStopCount();
michael@0:       vector<D2D1_GRADIENT_STOP> d2dStops(stopCount);
michael@0:       stops->mStopCollection->GetGradientStops(&d2dStops.front(), stopCount);
michael@0:       mRT->CreateSolidColorBrush(d2dStops.back().color,
michael@0:                                  D2D1::BrushProperties(aAlpha),
michael@0:                                  byRef(colBrush));
michael@0:       return colBrush;
michael@0:     }
michael@0: 
michael@0:     mRT->CreateLinearGradientBrush(D2D1::LinearGradientBrushProperties(D2DPoint(pat->mBegin),
michael@0:                                                                        D2DPoint(pat->mEnd)),
michael@0:                                    D2D1::BrushProperties(aAlpha, D2DMatrix(pat->mMatrix)),
michael@0:                                    stops->mStopCollection,
michael@0:                                    byRef(gradBrush));
michael@0:     return gradBrush;
michael@0:   } else if (aPattern.GetType() == PatternType::RADIAL_GRADIENT) {
michael@0:     RefPtr<ID2D1RadialGradientBrush> gradBrush;
michael@0:     const RadialGradientPattern *pat =
michael@0:       static_cast<const RadialGradientPattern*>(&aPattern);
michael@0: 
michael@0:     GradientStopsD2D *stops = static_cast<GradientStopsD2D*>(pat->mStops.get());
michael@0: 
michael@0:     if (!stops) {
michael@0:       gfxDebug() << "No stops specified for gradient pattern.";
michael@0:       return nullptr;
michael@0:     }
michael@0: 
michael@0:     // This will not be a complex radial gradient brush.
michael@0:     mRT->CreateRadialGradientBrush(
michael@0:       D2D1::RadialGradientBrushProperties(D2DPoint(pat->mCenter2),
michael@0:                                           D2DPoint(pat->mCenter1 - pat->mCenter2),
michael@0:                                           pat->mRadius2, pat->mRadius2),
michael@0:       D2D1::BrushProperties(aAlpha, D2DMatrix(pat->mMatrix)),
michael@0:       stops->mStopCollection,
michael@0:       byRef(gradBrush));
michael@0: 
michael@0:     return gradBrush;
michael@0:   } else if (aPattern.GetType() == PatternType::SURFACE) {
michael@0:     RefPtr<ID2D1BitmapBrush> bmBrush;
michael@0:     const SurfacePattern *pat =
michael@0:       static_cast<const SurfacePattern*>(&aPattern);
michael@0: 
michael@0:     if (!pat->mSurface) {
michael@0:       gfxDebug() << "No source surface specified for surface pattern";
michael@0:       return nullptr;
michael@0:     }
michael@0: 
michael@0:     RefPtr<ID2D1Bitmap> bitmap;
michael@0: 
michael@0:     Matrix mat = pat->mMatrix;
michael@0:     
michael@0:     switch (pat->mSurface->GetType()) {
michael@0:     case SurfaceType::D2D1_BITMAP:
michael@0:       {
michael@0:         SourceSurfaceD2D *surf = static_cast<SourceSurfaceD2D*>(pat->mSurface.get());
michael@0: 
michael@0:         bitmap = surf->mBitmap;
michael@0: 
michael@0:         if (!bitmap) {
michael@0:           return nullptr;
michael@0:         }
michael@0:       }
michael@0:       break;
michael@0:     case SurfaceType::D2D1_DRAWTARGET:
michael@0:       {
michael@0:         SourceSurfaceD2DTarget *surf =
michael@0:           static_cast<SourceSurfaceD2DTarget*>(pat->mSurface.get());
michael@0:         bitmap = surf->GetBitmap(mRT);
michael@0:         AddDependencyOnSource(surf);
michael@0:       }
michael@0:       break;
michael@0:     default:
michael@0:       {
michael@0:         RefPtr<DataSourceSurface> dataSurf = pat->mSurface->GetDataSurface();
michael@0:         if (!dataSurf) {
michael@0:           gfxWarning() << "Invalid surface type.";
michael@0:           return nullptr;
michael@0:         }
michael@0: 
michael@0:         bitmap = CreatePartialBitmapForSurface(dataSurf, mTransform, mSize, pat->mExtendMode, mat, mRT); 
michael@0:         if (!bitmap) {
michael@0:           return nullptr;
michael@0:         }
michael@0:       }
michael@0:       break;
michael@0:     }
michael@0:     
michael@0:     mRT->CreateBitmapBrush(bitmap,
michael@0:                            D2D1::BitmapBrushProperties(D2DExtend(pat->mExtendMode),
michael@0:                                                        D2DExtend(pat->mExtendMode),
michael@0:                                                        D2DFilter(pat->mFilter)),
michael@0:                            D2D1::BrushProperties(aAlpha, D2DMatrix(mat)),
michael@0:                            byRef(bmBrush));
michael@0: 
michael@0:     return bmBrush;
michael@0:   }
michael@0: 
michael@0:   gfxWarning() << "Invalid pattern type detected.";
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID3D10Texture2D>
michael@0: DrawTargetD2D::CreateGradientTexture(const GradientStopsD2D *aStops)
michael@0: {
michael@0:   CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM, 4096, 1, 1, 1);
michael@0: 
michael@0:   std::vector<D2D1_GRADIENT_STOP> rawStops;
michael@0:   rawStops.resize(aStops->mStopCollection->GetGradientStopCount());
michael@0:   aStops->mStopCollection->GetGradientStops(&rawStops.front(), rawStops.size());
michael@0: 
michael@0:   std::vector<unsigned char> textureData;
michael@0:   textureData.resize(4096 * 4);
michael@0:   unsigned char *texData = &textureData.front();
michael@0: 
michael@0:   float prevColorPos = 0;
michael@0:   float nextColorPos = 1.0f;
michael@0:   D2D1_COLOR_F prevColor = rawStops[0].color;
michael@0:   D2D1_COLOR_F nextColor = prevColor;
michael@0: 
michael@0:   if (rawStops.size() >= 2) {
michael@0:     nextColor = rawStops[1].color;
michael@0:     nextColorPos = rawStops[1].position;
michael@0:   }
michael@0: 
michael@0:   uint32_t stopPosition = 2;
michael@0: 
michael@0:   // Not the most optimized way but this will do for now.
michael@0:   for (int i = 0; i < 4096; i++) {
michael@0:     // The 4095 seems a little counter intuitive, but we want the gradient
michael@0:     // color at offset 0 at the first pixel, and at offset 1.0f at the last
michael@0:     // pixel.
michael@0:     float pos = float(i) / 4095;
michael@0: 
michael@0:     while (pos > nextColorPos) {
michael@0:       prevColor = nextColor;
michael@0:       prevColorPos = nextColorPos;
michael@0:       if (rawStops.size() > stopPosition) {
michael@0:         nextColor = rawStops[stopPosition].color;
michael@0:         nextColorPos = rawStops[stopPosition++].position;
michael@0:       } else {
michael@0:         nextColorPos = 1.0f;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     float interp;
michael@0:     
michael@0:     if (nextColorPos != prevColorPos) {
michael@0:       interp = (pos - prevColorPos) / (nextColorPos - prevColorPos);
michael@0:     } else {
michael@0:       interp = 0;
michael@0:     }
michael@0: 
michael@0:     Color newColor(prevColor.r + (nextColor.r - prevColor.r) * interp,
michael@0:                     prevColor.g + (nextColor.g - prevColor.g) * interp,
michael@0:                     prevColor.b + (nextColor.b - prevColor.b) * interp,
michael@0:                     prevColor.a + (nextColor.a - prevColor.a) * interp);
michael@0: 
michael@0:     texData[i * 4] = (char)(255.0f * newColor.b);
michael@0:     texData[i * 4 + 1] = (char)(255.0f * newColor.g);
michael@0:     texData[i * 4 + 2] = (char)(255.0f * newColor.r);
michael@0:     texData[i * 4 + 3] = (char)(255.0f * newColor.a);
michael@0:   }
michael@0: 
michael@0:   D3D10_SUBRESOURCE_DATA data;
michael@0:   data.pSysMem = &textureData.front();
michael@0:   data.SysMemPitch = 4096 * 4;
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> tex;
michael@0:   mDevice->CreateTexture2D(&desc, &data, byRef(tex));
michael@0: 
michael@0:   return tex;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ID3D10Texture2D>
michael@0: DrawTargetD2D::CreateTextureForAnalysis(IDWriteGlyphRunAnalysis *aAnalysis, const IntRect &aBounds)
michael@0: {
michael@0:   HRESULT hr;
michael@0: 
michael@0:   uint32_t bufferSize = aBounds.width * aBounds.height * 3;
michael@0: 
michael@0:   RECT bounds;
michael@0:   bounds.left = aBounds.x;
michael@0:   bounds.top = aBounds.y;
michael@0:   bounds.right = aBounds.x + aBounds.width;
michael@0:   bounds.bottom = aBounds.y + aBounds.height;
michael@0: 
michael@0:   // Add one byte so we can safely read a 32-bit int when copying the last
michael@0:   // 3 bytes.
michael@0:   BYTE *texture = new BYTE[bufferSize + 1];
michael@0:   hr = aAnalysis->CreateAlphaTexture(DWRITE_TEXTURE_CLEARTYPE_3x1, &bounds, texture, bufferSize);
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     delete [] texture;
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   int alignedBufferSize = aBounds.width * aBounds.height * 4;
michael@0: 
michael@0:   // Create a one-off immutable texture from system memory.
michael@0:   BYTE *alignedTextureData = new BYTE[alignedBufferSize];
michael@0:   for (int y = 0; y < aBounds.height; y++) {
michael@0:     for (int x = 0; x < aBounds.width; x++) {
michael@0:       // Copy 3 Bpp source to 4 Bpp destination memory used for
michael@0:       // texture creation. D3D10 has no 3 Bpp texture format we can
michael@0:       // use.
michael@0:       //
michael@0:       // Since we don't care what ends up in the alpha pixel of the
michael@0:       // destination, therefor we can simply copy a normal 32 bit
michael@0:       // integer each time, filling the alpha pixel of the destination
michael@0:       // with the first subpixel of the next pixel from the source.
michael@0:       *((int*)(alignedTextureData + (y * aBounds.width + x) * 4)) =
michael@0:         *((int*)(texture + (y * aBounds.width + x) * 3));
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   D3D10_SUBRESOURCE_DATA data;
michael@0:   
michael@0:   CD3D10_TEXTURE2D_DESC desc(DXGI_FORMAT_B8G8R8A8_UNORM,
michael@0:                              aBounds.width, aBounds.height,
michael@0:                              1, 1);
michael@0:   desc.Usage = D3D10_USAGE_IMMUTABLE;
michael@0: 
michael@0:   data.SysMemPitch = aBounds.width * 4;
michael@0:   data.pSysMem = alignedTextureData;
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> tex;
michael@0:   hr = mDevice->CreateTexture2D(&desc, &data, byRef(tex));
michael@0: 	
michael@0:   delete [] alignedTextureData;
michael@0:   delete [] texture;
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return tex;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::SetupEffectForRadialGradient(const RadialGradientPattern *aPattern)
michael@0: {
michael@0:   mPrivateData->mEffect->GetTechniqueByName("SampleRadialGradient")->GetPassByIndex(0)->Apply(0);
michael@0:   mPrivateData->mEffect->GetVariableByName("MaskTexCoords")->AsVector()->
michael@0:     SetFloatVector(ShaderConstantRectD3D10(0, 0, 1.0f, 1.0f));
michael@0: 
michael@0:   float dimensions[] = { float(mSize.width), float(mSize.height), 0, 0 };
michael@0:   mPrivateData->mEffect->GetVariableByName("dimensions")->AsVector()->
michael@0:     SetFloatVector(dimensions);
michael@0: 
michael@0:   const GradientStopsD2D *stops =
michael@0:     static_cast<const GradientStopsD2D*>(aPattern->mStops.get());
michael@0: 
michael@0:   RefPtr<ID3D10Texture2D> tex = CreateGradientTexture(stops);
michael@0: 
michael@0:   RefPtr<ID3D10ShaderResourceView> srView;
michael@0:   mDevice->CreateShaderResourceView(tex, nullptr, byRef(srView));
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("tex")->AsShaderResource()->SetResource(srView);
michael@0: 
michael@0:   Point dc = aPattern->mCenter2 - aPattern->mCenter1;
michael@0:   float dr = aPattern->mRadius2 - aPattern->mRadius1;
michael@0: 
michael@0:   float diffv[] = { dc.x, dc.y, dr, 0 };
michael@0:   mPrivateData->mEffect->GetVariableByName("diff")->AsVector()->
michael@0:     SetFloatVector(diffv);
michael@0: 
michael@0:   float center1[] = { aPattern->mCenter1.x, aPattern->mCenter1.y, dr, 0 };
michael@0:   mPrivateData->mEffect->GetVariableByName("center1")->AsVector()->
michael@0:     SetFloatVector(center1);
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("radius1")->AsScalar()->
michael@0:     SetFloat(aPattern->mRadius1);
michael@0:   mPrivateData->mEffect->GetVariableByName("sq_radius1")->AsScalar()->
michael@0:     SetFloat(pow(aPattern->mRadius1, 2));
michael@0: 
michael@0:   Matrix invTransform = mTransform;
michael@0: 
michael@0:   if (!invTransform.Invert()) {
michael@0:     // Bail if the matrix is singular.
michael@0:     return;
michael@0:   }
michael@0:   float matrix[] = { invTransform._11, invTransform._12, 0, 0,
michael@0:                       invTransform._21, invTransform._22, 0, 0,
michael@0:                       invTransform._31, invTransform._32, 1.0f, 0,
michael@0:                       0, 0, 0, 1.0f };
michael@0: 
michael@0:   mPrivateData->mEffect->GetVariableByName("DeviceSpaceToUserSpace")->
michael@0:     AsMatrix()->SetMatrix(matrix);
michael@0: 
michael@0:   float A = dc.x * dc.x + dc.y * dc.y - dr * dr;
michael@0: 
michael@0:   uint32_t offset = 0;
michael@0:   switch (stops->mStopCollection->GetExtendMode()) {
michael@0:   case D2D1_EXTEND_MODE_WRAP:
michael@0:     offset = 1;
michael@0:     break;
michael@0:   case D2D1_EXTEND_MODE_MIRROR:
michael@0:     offset = 2;
michael@0:     break;
michael@0:   default:
michael@0:     gfxWarning() << "This shouldn't happen! Invalid extend mode for gradient stops.";
michael@0:   }
michael@0: 
michael@0:   if (A == 0) {
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleRadialGradient")->
michael@0:       GetPassByIndex(offset * 2 + 1)->Apply(0);
michael@0:   } else {
michael@0:     mPrivateData->mEffect->GetVariableByName("A")->AsScalar()->SetFloat(A);
michael@0:     mPrivateData->mEffect->GetTechniqueByName("SampleRadialGradient")->
michael@0:       GetPassByIndex(offset * 2)->Apply(0);
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::SetupStateForRendering()
michael@0: {
michael@0:   UINT stride = sizeof(Vertex);
michael@0:   UINT offset = 0;
michael@0:   ID3D10Buffer *buff = mPrivateData->mVB;
michael@0: 
michael@0:   mDevice->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
michael@0:   mDevice->IASetVertexBuffers(0, 1, &buff, &stride, &offset);
michael@0:   mDevice->IASetInputLayout(mPrivateData->mInputLayout);
michael@0: 
michael@0:   D3D10_VIEWPORT viewport;
michael@0:   viewport.MaxDepth = 1;
michael@0:   viewport.MinDepth = 0;
michael@0:   viewport.Height = mSize.height;
michael@0:   viewport.Width = mSize.width;
michael@0:   viewport.TopLeftX = 0;
michael@0:   viewport.TopLeftY = 0;
michael@0: 
michael@0:   mDevice->RSSetViewports(1, &viewport);
michael@0: }
michael@0: 
michael@0: ID2D1Factory*
michael@0: DrawTargetD2D::factory()
michael@0: {
michael@0:   if (mFactory) {
michael@0:     return mFactory;
michael@0:   }
michael@0: 
michael@0:   D2D1CreateFactoryFunc createD2DFactory;
michael@0:   HMODULE d2dModule = LoadLibraryW(L"d2d1.dll");
michael@0:   createD2DFactory = (D2D1CreateFactoryFunc)
michael@0:       GetProcAddress(d2dModule, "D2D1CreateFactory");
michael@0: 
michael@0:   if (!createD2DFactory) {
michael@0:     gfxWarning() << "Failed to locate D2D1CreateFactory function.";
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   D2D1_FACTORY_OPTIONS options;
michael@0: #ifdef _DEBUG
michael@0:   options.debugLevel = D2D1_DEBUG_LEVEL_WARNING;
michael@0: #else
michael@0:   options.debugLevel = D2D1_DEBUG_LEVEL_NONE;
michael@0: #endif
michael@0: 
michael@0:   HRESULT hr = createD2DFactory(D2D1_FACTORY_TYPE_MULTI_THREADED,
michael@0:                                 __uuidof(ID2D1Factory),
michael@0:                                 &options,
michael@0:                                 (void**)&mFactory);
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create Direct2D factory.";
michael@0:   }
michael@0: 
michael@0:   return mFactory;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::CleanupD2D()
michael@0: {
michael@0:   if (mFactory) {
michael@0:     mFactory->Release();
michael@0:     mFactory = nullptr;
michael@0:   }
michael@0: }
michael@0: 
michael@0: IDWriteFactory*
michael@0: DrawTargetD2D::GetDWriteFactory()
michael@0: {
michael@0:   if (mDWriteFactory) {
michael@0:     return mDWriteFactory;
michael@0:   }
michael@0: 
michael@0:   decltype(DWriteCreateFactory)* createDWriteFactory;
michael@0:   HMODULE dwriteModule = LoadLibraryW(L"dwrite.dll");
michael@0:   createDWriteFactory = (decltype(DWriteCreateFactory)*)
michael@0:     GetProcAddress(dwriteModule, "DWriteCreateFactory");
michael@0: 
michael@0:   if (!createDWriteFactory) {
michael@0:     gfxWarning() << "Failed to locate DWriteCreateFactory function.";
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   HRESULT hr = createDWriteFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
michael@0:                                    reinterpret_cast<IUnknown**>(&mDWriteFactory));
michael@0: 
michael@0:   if (FAILED(hr)) {
michael@0:     gfxWarning() << "Failed to create DWrite Factory.";
michael@0:   }
michael@0: 
michael@0:   return mDWriteFactory;
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::SetScissorToRect(IntRect *aRect)
michael@0: {
michael@0:   D3D10_RECT rect;
michael@0:   if (aRect) {
michael@0:     rect.left = aRect->x;
michael@0:     rect.right = aRect->XMost();
michael@0:     rect.top = aRect->y;
michael@0:     rect.bottom = aRect->YMost();
michael@0:   } else {
michael@0:     rect.left = rect.top = INT32_MIN;
michael@0:     rect.right = rect.bottom = INT32_MAX;
michael@0:   }
michael@0: 
michael@0:   mDevice->RSSetScissorRects(1, &rect);
michael@0: }
michael@0: 
michael@0: void
michael@0: DrawTargetD2D::PushD2DLayer(ID2D1RenderTarget *aRT, ID2D1Geometry *aGeometry, ID2D1Layer *aLayer, const D2D1_MATRIX_3X2_F &aTransform)
michael@0: {
michael@0:   D2D1_LAYER_OPTIONS options = D2D1_LAYER_OPTIONS_NONE;
michael@0:   D2D1_LAYER_OPTIONS1 options1 =  D2D1_LAYER_OPTIONS1_NONE;
michael@0: 
michael@0:   if (aRT->GetPixelFormat().alphaMode == D2D1_ALPHA_MODE_IGNORE) {
michael@0:     options = D2D1_LAYER_OPTIONS_INITIALIZE_FOR_CLEARTYPE;
michael@0:     options1 = D2D1_LAYER_OPTIONS1_IGNORE_ALPHA | D2D1_LAYER_OPTIONS1_INITIALIZE_FROM_BACKGROUND;
michael@0:   }
michael@0: 
michael@0: 	RefPtr<ID2D1DeviceContext> dc;
michael@0: 	HRESULT hr = aRT->QueryInterface(IID_ID2D1DeviceContext, (void**)((ID2D1DeviceContext**)byRef(dc)));
michael@0: 
michael@0: 	if (FAILED(hr)) {
michael@0: 	    aRT->PushLayer(D2D1::LayerParameters(D2D1::InfiniteRect(), aGeometry,
michael@0: 				                                   D2D1_ANTIALIAS_MODE_PER_PRIMITIVE, aTransform,
michael@0: 				                                   1.0, nullptr, options),
michael@0: 				             aLayer);
michael@0: 	} else {
michael@0: 	    dc->PushLayer(D2D1::LayerParameters1(D2D1::InfiniteRect(), aGeometry,
michael@0: 				                                   D2D1_ANTIALIAS_MODE_PER_PRIMITIVE, aTransform,
michael@0: 				                                   1.0, nullptr, options1),
michael@0: 				            aLayer);
michael@0: 	}
michael@0: }
michael@0: 
michael@0: }
michael@0: }