mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
d599966391
Add a function that can be used to quickly reposition a layer child, rather than forcing removal/insertion and the extra work that can involve.
443 lines
13 KiB
C++
443 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ContainerLayerD3D9.h"
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#include "gfxUtils.h"
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#include "nsRect.h"
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#include "ThebesLayerD3D9.h"
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#include "ReadbackProcessor.h"
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namespace mozilla {
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namespace layers {
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template<class Container>
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static void
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ContainerInsertAfter(Container* aContainer, Layer* aChild, Layer* aAfter)
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{
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NS_ASSERTION(aChild->Manager() == aContainer->Manager(),
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"Child has wrong manager");
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NS_ASSERTION(!aChild->GetParent(),
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"aChild already in the tree");
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NS_ASSERTION(!aChild->GetNextSibling() && !aChild->GetPrevSibling(),
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"aChild already has siblings?");
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NS_ASSERTION(!aAfter ||
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(aAfter->Manager() == aContainer->Manager() &&
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aAfter->GetParent() == aContainer),
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"aAfter is not our child");
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aChild->SetParent(aContainer);
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if (aAfter == aContainer->mLastChild) {
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aContainer->mLastChild = aChild;
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}
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if (!aAfter) {
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aChild->SetNextSibling(aContainer->mFirstChild);
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if (aContainer->mFirstChild) {
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aContainer->mFirstChild->SetPrevSibling(aChild);
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}
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aContainer->mFirstChild = aChild;
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NS_ADDREF(aChild);
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aContainer->DidInsertChild(aChild);
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return;
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}
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Layer* next = aAfter->GetNextSibling();
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aChild->SetNextSibling(next);
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aChild->SetPrevSibling(aAfter);
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if (next) {
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next->SetPrevSibling(aChild);
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}
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aAfter->SetNextSibling(aChild);
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NS_ADDREF(aChild);
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aContainer->DidInsertChild(aChild);
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}
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template<class Container>
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static void
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ContainerRemoveChild(Container* aContainer, Layer* aChild)
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{
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NS_ASSERTION(aChild->Manager() == aContainer->Manager(),
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"Child has wrong manager");
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NS_ASSERTION(aChild->GetParent() == aContainer,
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"aChild not our child");
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Layer* prev = aChild->GetPrevSibling();
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Layer* next = aChild->GetNextSibling();
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if (prev) {
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prev->SetNextSibling(next);
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} else {
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aContainer->mFirstChild = next;
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}
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if (next) {
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next->SetPrevSibling(prev);
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} else {
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aContainer->mLastChild = prev;
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}
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aChild->SetNextSibling(nullptr);
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aChild->SetPrevSibling(nullptr);
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aChild->SetParent(nullptr);
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aContainer->DidRemoveChild(aChild);
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NS_RELEASE(aChild);
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}
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template<class Container>
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static void
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ContainerRepositionChild(Container* aContainer, Layer* aChild, Layer* aAfter)
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{
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NS_ASSERTION(aChild->Manager() == aContainer->Manager(),
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"Child has wrong manager");
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NS_ASSERTION(aChild->GetParent() == aContainer,
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"aChild not our child");
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NS_ASSERTION(!aAfter ||
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(aAfter->Manager() == aContainer->Manager() &&
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aAfter->GetParent() == aContainer),
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"aAfter is not our child");
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Layer* prev = aChild->GetPrevSibling();
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Layer* next = aChild->GetNextSibling();
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if (prev == aAfter) {
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// aChild is already in the correct position, nothing to do.
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return;
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}
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if (prev) {
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prev->SetNextSibling(next);
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}
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if (next) {
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next->SetPrevSibling(prev);
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}
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if (!aAfter) {
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aChild->SetPrevSibling(nullptr);
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aChild->SetNextSibling(aContainer->mFirstChild);
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if (aContainer->mFirstChild) {
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aContainer->mFirstChild->SetPrevSibling(aChild);
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}
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aContainer->mFirstChild = aChild;
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return;
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}
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Layer* afterNext = aAfter->GetNextSibling();
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if (afterNext) {
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afterNext->SetPrevSibling(aChild);
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} else {
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aContainer->mLastChild = aChild;
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}
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aAfter->SetNextSibling(aChild);
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aChild->SetPrevSibling(aAfter);
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aChild->SetNextSibling(afterNext);
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}
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static inline LayerD3D9*
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GetNextSibling(LayerD3D9* aLayer)
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{
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Layer* layer = aLayer->GetLayer()->GetNextSibling();
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return layer ? static_cast<LayerD3D9*>(layer->
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ImplData())
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: nullptr;
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}
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static bool
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HasOpaqueAncestorLayer(Layer* aLayer)
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{
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for (Layer* l = aLayer->GetParent(); l; l = l->GetParent()) {
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if (l->GetContentFlags() & Layer::CONTENT_OPAQUE)
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return true;
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}
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return false;
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}
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static inline LayerD3D9*
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GetNextSiblingD3D9(LayerD3D9* aLayer)
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{
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Layer* layer = aLayer->GetLayer()->GetNextSibling();
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return layer ? static_cast<LayerD3D9*>(layer->
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ImplData())
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: nullptr;
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}
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template<class Container>
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static void
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ContainerRender(Container* aContainer,
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LayerManagerD3D9* aManager)
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{
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nsRefPtr<IDirect3DSurface9> previousRenderTarget;
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nsRefPtr<IDirect3DTexture9> renderTexture;
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float previousRenderTargetOffset[4];
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float renderTargetOffset[] = { 0, 0, 0, 0 };
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float oldViewMatrix[4][4];
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RECT containerD3D9ClipRect;
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aManager->device()->GetScissorRect(&containerD3D9ClipRect);
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// Convert scissor to an nsIntRect. RECT's are exclusive on the bottom and
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// right values.
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nsIntRect oldScissor(containerD3D9ClipRect.left,
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containerD3D9ClipRect.top,
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containerD3D9ClipRect.right - containerD3D9ClipRect.left,
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containerD3D9ClipRect.bottom - containerD3D9ClipRect.top);
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ReadbackProcessor readback;
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readback.BuildUpdates(aContainer);
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nsIntRect visibleRect = aContainer->GetEffectiveVisibleRegion().GetBounds();
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bool useIntermediate = aContainer->UseIntermediateSurface();
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aContainer->mSupportsComponentAlphaChildren = false;
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if (useIntermediate) {
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nsRefPtr<IDirect3DSurface9> renderSurface;
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if (!aManager->CompositingDisabled()) {
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aManager->device()->GetRenderTarget(0, getter_AddRefs(previousRenderTarget));
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HRESULT hr = aManager->device()->CreateTexture(visibleRect.width, visibleRect.height, 1,
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D3DUSAGE_RENDERTARGET, D3DFMT_A8R8G8B8,
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D3DPOOL_DEFAULT, getter_AddRefs(renderTexture),
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NULL);
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if (FAILED(hr)) {
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aManager->ReportFailure(NS_LITERAL_CSTRING("ContainerLayerD3D9::ContainerRender(): Failed to create texture"),
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hr);
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return;
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}
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nsRefPtr<IDirect3DSurface9> renderSurface;
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renderTexture->GetSurfaceLevel(0, getter_AddRefs(renderSurface));
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aManager->device()->SetRenderTarget(0, renderSurface);
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}
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if (aContainer->mVisibleRegion.GetNumRects() == 1 &&
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(aContainer->GetContentFlags() & aContainer->CONTENT_OPAQUE)) {
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// don't need a background, we're going to paint all opaque stuff
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aContainer->mSupportsComponentAlphaChildren = true;
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} else {
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const gfx3DMatrix& transform3D = aContainer->GetEffectiveTransform();
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gfxMatrix transform;
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// If we have an opaque ancestor layer, then we can be sure that
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// all the pixels we draw into are either opaque already or will be
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// covered by something opaque. Otherwise copying up the background is
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// not safe.
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HRESULT hr = E_FAIL;
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if (HasOpaqueAncestorLayer(aContainer) &&
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transform3D.Is2D(&transform) && !transform.HasNonIntegerTranslation()) {
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// Copy background up from below
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RECT dest = { 0, 0, visibleRect.width, visibleRect.height };
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RECT src = dest;
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::OffsetRect(&src,
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visibleRect.x + int32_t(transform.x0),
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visibleRect.y + int32_t(transform.y0));
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if (!aManager->CompositingDisabled()) {
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hr = aManager->device()->
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StretchRect(previousRenderTarget, &src, renderSurface, &dest, D3DTEXF_NONE);
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}
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}
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if (hr == S_OK) {
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aContainer->mSupportsComponentAlphaChildren = true;
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} else if (!aManager->CompositingDisabled()) {
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aManager->device()->
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Clear(0, 0, D3DCLEAR_TARGET, D3DCOLOR_RGBA(0, 0, 0, 0), 0, 0);
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}
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}
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aManager->device()->
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GetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
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renderTargetOffset[0] = (float)visibleRect.x;
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renderTargetOffset[1] = (float)visibleRect.y;
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aManager->device()->
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SetVertexShaderConstantF(CBvRenderTargetOffset, renderTargetOffset, 1);
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gfx3DMatrix viewMatrix;
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/*
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* Matrix to transform to viewport space ( <-1.0, 1.0> topleft,
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* <1.0, -1.0> bottomright)
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*/
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viewMatrix._11 = 2.0f / visibleRect.width;
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viewMatrix._22 = -2.0f / visibleRect.height;
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viewMatrix._41 = -1.0f;
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viewMatrix._42 = 1.0f;
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aManager->device()->
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GetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
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aManager->device()->
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SetVertexShaderConstantF(CBmProjection, &viewMatrix._11, 4);
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} else {
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aContainer->mSupportsComponentAlphaChildren =
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(aContainer->GetContentFlags() & aContainer->CONTENT_OPAQUE) ||
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(aContainer->mParent &&
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aContainer->mParent->SupportsComponentAlphaChildren());
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}
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nsAutoTArray<Layer*, 12> children;
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aContainer->SortChildrenBy3DZOrder(children);
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/*
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* Render this container's contents.
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*/
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for (uint32_t i = 0; i < children.Length(); i++) {
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LayerD3D9* layerToRender = static_cast<LayerD3D9*>(children.ElementAt(i)->ImplData());
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if (layerToRender->GetLayer()->GetEffectiveVisibleRegion().IsEmpty()) {
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continue;
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}
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nsIntRect scissorRect =
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layerToRender->GetLayer()->CalculateScissorRect(oldScissor, nullptr);
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if (scissorRect.IsEmpty()) {
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continue;
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}
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RECT d3drect;
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d3drect.left = scissorRect.x;
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d3drect.top = scissorRect.y;
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d3drect.right = scissorRect.x + scissorRect.width;
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d3drect.bottom = scissorRect.y + scissorRect.height;
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aManager->device()->SetScissorRect(&d3drect);
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if (layerToRender->GetLayer()->GetType() == aContainer->TYPE_THEBES) {
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static_cast<ThebesLayerD3D9*>(layerToRender)->RenderThebesLayer(&readback);
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} else {
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layerToRender->RenderLayer();
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}
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}
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aManager->device()->SetScissorRect(&containerD3D9ClipRect);
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if (useIntermediate && !aManager->CompositingDisabled()) {
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aManager->device()->SetRenderTarget(0, previousRenderTarget);
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aManager->device()->SetVertexShaderConstantF(CBvRenderTargetOffset, previousRenderTargetOffset, 1);
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aManager->device()->SetVertexShaderConstantF(CBmProjection, &oldViewMatrix[0][0], 4);
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aManager->device()->SetVertexShaderConstantF(CBvLayerQuad,
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ShaderConstantRect(visibleRect.x,
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visibleRect.y,
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visibleRect.width,
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visibleRect.height),
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1);
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aContainer->SetShaderTransformAndOpacity();
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aManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER,
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aContainer->GetMaskLayer(),
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aContainer->GetTransform().CanDraw2D());
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aManager->device()->SetTexture(0, renderTexture);
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aManager->device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
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}
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}
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ContainerLayerD3D9::ContainerLayerD3D9(LayerManagerD3D9 *aManager)
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: ContainerLayer(aManager, NULL)
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, LayerD3D9(aManager)
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{
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mImplData = static_cast<LayerD3D9*>(this);
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}
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ContainerLayerD3D9::~ContainerLayerD3D9()
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{
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while (mFirstChild) {
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RemoveChild(mFirstChild);
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}
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}
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void
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ContainerLayerD3D9::InsertAfter(Layer* aChild, Layer* aAfter)
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{
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ContainerInsertAfter(this, aChild, aAfter);
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}
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void
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ContainerLayerD3D9::RemoveChild(Layer *aChild)
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{
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ContainerRemoveChild(this, aChild);
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}
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void
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ContainerLayerD3D9::RepositionChild(Layer* aChild, Layer* aAfter)
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{
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ContainerRepositionChild(this, aChild, aAfter);
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}
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Layer*
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ContainerLayerD3D9::GetLayer()
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{
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return this;
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}
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LayerD3D9*
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ContainerLayerD3D9::GetFirstChildD3D9()
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{
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if (!mFirstChild) {
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return nullptr;
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}
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return static_cast<LayerD3D9*>(mFirstChild->ImplData());
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}
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void
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ContainerLayerD3D9::RenderLayer()
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{
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ContainerRender(this, mD3DManager);
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}
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void
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ContainerLayerD3D9::LayerManagerDestroyed()
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{
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while (mFirstChild) {
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GetFirstChildD3D9()->LayerManagerDestroyed();
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RemoveChild(mFirstChild);
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}
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}
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ShadowContainerLayerD3D9::ShadowContainerLayerD3D9(LayerManagerD3D9 *aManager)
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: ShadowContainerLayer(aManager, NULL)
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, LayerD3D9(aManager)
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{
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mImplData = static_cast<LayerD3D9*>(this);
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}
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ShadowContainerLayerD3D9::~ShadowContainerLayerD3D9()
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{
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Destroy();
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}
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void
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ShadowContainerLayerD3D9::InsertAfter(Layer* aChild, Layer* aAfter)
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{
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ContainerInsertAfter(this, aChild, aAfter);
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}
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void
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ShadowContainerLayerD3D9::RemoveChild(Layer *aChild)
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{
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ContainerRemoveChild(this, aChild);
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}
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void
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ShadowContainerLayerD3D9::RepositionChild(Layer* aChild, Layer* aAfter)
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{
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ContainerRepositionChild(this, aChild, aAfter);
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}
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void
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ShadowContainerLayerD3D9::Destroy()
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{
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while (mFirstChild) {
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RemoveChild(mFirstChild);
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}
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}
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LayerD3D9*
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ShadowContainerLayerD3D9::GetFirstChildD3D9()
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{
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if (!mFirstChild) {
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return nullptr;
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}
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return static_cast<LayerD3D9*>(mFirstChild->ImplData());
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}
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void
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ShadowContainerLayerD3D9::RenderLayer()
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{
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ContainerRender(this, mD3DManager);
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}
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} /* layers */
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} /* mozilla */
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