mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
784 lines
27 KiB
C++
784 lines
27 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "mozilla/layers/ContentHost.h"
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#include "mozilla/layers/Effects.h"
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#include "nsPrintfCString.h"
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#include "gfx2DGlue.h"
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namespace mozilla {
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using namespace gfx;
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namespace layers {
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ContentHostBase::ContentHostBase(const TextureInfo& aTextureInfo)
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: ContentHost(aTextureInfo)
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, mPaintWillResample(false)
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, mInitialised(false)
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{}
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ContentHostBase::~ContentHostBase()
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{}
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DeprecatedTextureHost*
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ContentHostBase::GetDeprecatedTextureHost()
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{
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return mDeprecatedTextureHost;
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}
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void
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ContentHostBase::DestroyFrontHost()
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{
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MOZ_ASSERT(!mDeprecatedTextureHost || mDeprecatedTextureHost->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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MOZ_ASSERT(!mDeprecatedTextureHostOnWhite || mDeprecatedTextureHostOnWhite->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mDeprecatedTextureHost = nullptr;
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mDeprecatedTextureHostOnWhite = nullptr;
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}
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void
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ContentHostBase::Composite(EffectChain& aEffectChain,
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float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const Point& aOffset,
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const Filter& aFilter,
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const Rect& aClipRect,
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const nsIntRegion* aVisibleRegion,
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TiledLayerProperties* aLayerProperties)
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{
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NS_ASSERTION(aVisibleRegion, "Requires a visible region");
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AutoLockDeprecatedTextureHost lock(mDeprecatedTextureHost);
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AutoLockDeprecatedTextureHost lockOnWhite(mDeprecatedTextureHostOnWhite);
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if (!mDeprecatedTextureHost ||
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!lock.IsValid() ||
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!lockOnWhite.IsValid()) {
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return;
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}
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RefPtr<TexturedEffect> effect =
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CreateTexturedEffect(mDeprecatedTextureHost, mDeprecatedTextureHostOnWhite, aFilter);
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aEffectChain.mPrimaryEffect = effect;
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nsIntRegion tmpRegion;
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const nsIntRegion* renderRegion;
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if (PaintWillResample()) {
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// If we're resampling, then the texture image will contain exactly the
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// entire visible region's bounds, and we should draw it all in one quad
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// to avoid unexpected aliasing.
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tmpRegion = aVisibleRegion->GetBounds();
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renderRegion = &tmpRegion;
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} else {
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renderRegion = aVisibleRegion;
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}
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nsIntRegion region(*renderRegion);
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nsIntPoint origin = GetOriginOffset();
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region.MoveBy(-origin); // translate into TexImage space, buffer origin might not be at texture (0,0)
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// Figure out the intersecting draw region
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TextureSource* source = mDeprecatedTextureHost;
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MOZ_ASSERT(source);
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gfx::IntSize texSize = source->GetSize();
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nsIntRect textureRect = nsIntRect(0, 0, texSize.width, texSize.height);
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textureRect.MoveBy(region.GetBounds().TopLeft());
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nsIntRegion subregion;
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subregion.And(region, textureRect);
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if (subregion.IsEmpty()) {
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// Region is empty, nothing to draw
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return;
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}
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nsIntRegion screenRects;
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nsIntRegion regionRects;
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// Collect texture/screen coordinates for drawing
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nsIntRegionRectIterator iter(subregion);
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while (const nsIntRect* iterRect = iter.Next()) {
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nsIntRect regionRect = *iterRect;
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nsIntRect screenRect = regionRect;
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screenRect.MoveBy(origin);
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screenRects.Or(screenRects, screenRect);
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regionRects.Or(regionRects, regionRect);
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}
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TileIterator* tileIter = source->AsTileIterator();
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TileIterator* iterOnWhite = nullptr;
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if (tileIter) {
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tileIter->BeginTileIteration();
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}
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if (mDeprecatedTextureHostOnWhite) {
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iterOnWhite = mDeprecatedTextureHostOnWhite->AsTileIterator();
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MOZ_ASSERT(!tileIter || tileIter->GetTileCount() == iterOnWhite->GetTileCount(),
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"Tile count mismatch on component alpha texture");
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if (iterOnWhite) {
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iterOnWhite->BeginTileIteration();
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}
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}
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bool usingTiles = (tileIter && tileIter->GetTileCount() > 1);
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do {
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if (iterOnWhite) {
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MOZ_ASSERT(iterOnWhite->GetTileRect() == tileIter->GetTileRect(),
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"component alpha textures should be the same size.");
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}
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nsIntRect texRect = tileIter ? tileIter->GetTileRect()
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: nsIntRect(0, 0,
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texSize.width,
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texSize.height);
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// Draw texture. If we're using tiles, we do repeating manually, as texture
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// repeat would cause each individual tile to repeat instead of the
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// compound texture as a whole. This involves drawing at most 4 sections,
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// 2 for each axis that has texture repeat.
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for (int y = 0; y < (usingTiles ? 2 : 1); y++) {
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for (int x = 0; x < (usingTiles ? 2 : 1); x++) {
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nsIntRect currentTileRect(texRect);
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currentTileRect.MoveBy(x * texSize.width, y * texSize.height);
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nsIntRegionRectIterator screenIter(screenRects);
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nsIntRegionRectIterator regionIter(regionRects);
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const nsIntRect* screenRect;
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const nsIntRect* regionRect;
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while ((screenRect = screenIter.Next()) &&
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(regionRect = regionIter.Next())) {
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nsIntRect tileScreenRect(*screenRect);
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nsIntRect tileRegionRect(*regionRect);
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// When we're using tiles, find the intersection between the tile
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// rect and this region rect. Tiling is then handled by the
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// outer for-loops and modifying the tile rect.
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if (usingTiles) {
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tileScreenRect.MoveBy(-origin);
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tileScreenRect = tileScreenRect.Intersect(currentTileRect);
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tileScreenRect.MoveBy(origin);
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if (tileScreenRect.IsEmpty())
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continue;
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tileRegionRect = regionRect->Intersect(currentTileRect);
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tileRegionRect.MoveBy(-currentTileRect.TopLeft());
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}
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gfx::Rect rect(tileScreenRect.x, tileScreenRect.y,
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tileScreenRect.width, tileScreenRect.height);
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effect->mTextureCoords = Rect(Float(tileRegionRect.x) / texRect.width,
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Float(tileRegionRect.y) / texRect.height,
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Float(tileRegionRect.width) / texRect.width,
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Float(tileRegionRect.height) / texRect.height);
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GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain, aOpacity, aTransform, aOffset);
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if (iterOnWhite) {
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GetCompositor()->DrawDiagnostics(gfx::Color(0.0,0.0,1.0,1.0),
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rect, aClipRect, aTransform, aOffset);
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} else {
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GetCompositor()->DrawDiagnostics(gfx::Color(0.0,1.0,0.0,1.0),
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rect, aClipRect, aTransform, aOffset);
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}
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}
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}
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}
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if (iterOnWhite) {
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iterOnWhite->NextTile();
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}
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} while (usingTiles && tileIter->NextTile());
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if (tileIter) {
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tileIter->EndTileIteration();
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}
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if (iterOnWhite) {
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iterOnWhite->EndTileIteration();
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}
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}
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void
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ContentHostBase::SetCompositor(Compositor* aCompositor)
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{
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CompositableHost::SetCompositor(aCompositor);
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if (mDeprecatedTextureHost) {
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mDeprecatedTextureHost->SetCompositor(aCompositor);
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}
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if (mDeprecatedTextureHostOnWhite) {
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mDeprecatedTextureHostOnWhite->SetCompositor(aCompositor);
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}
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}
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void
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ContentHostBase::Dump(FILE* aFile,
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const char* aPrefix,
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bool aDumpHtml)
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{
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if (!aFile) {
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aFile = stderr;
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}
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if (aDumpHtml) {
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fprintf(aFile, "<ul>");
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}
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if (mDeprecatedTextureHost) {
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fprintf(aFile, "%s", aPrefix);
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fprintf(aFile, aDumpHtml ? "<li> <a href=" : "Front buffer: ");
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DumpDeprecatedTextureHost(aFile, mDeprecatedTextureHost);
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fprintf(aFile, aDumpHtml ? "> Front buffer </a></li> " : " ");
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}
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if (mDeprecatedTextureHostOnWhite) {
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fprintf(aFile, "%s", aPrefix);
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fprintf(aFile, aDumpHtml ? "<li> <a href=" : "DeprecatedTextureHost on white: ");
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DumpDeprecatedTextureHost(aFile, mDeprecatedTextureHostOnWhite);
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fprintf(aFile, aDumpHtml ? "> Front buffer on white </a> </li> " : " ");
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}
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if (aDumpHtml) {
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fprintf(aFile, "</ul>");
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}
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}
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ContentHostSingleBuffered::~ContentHostSingleBuffered()
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{
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DestroyTextures();
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DestroyFrontHost();
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}
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void
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ContentHostSingleBuffered::EnsureDeprecatedTextureHost(TextureIdentifier aTextureId,
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const SurfaceDescriptor& aSurface,
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ISurfaceAllocator* aAllocator,
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const TextureInfo& aTextureInfo)
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{
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MOZ_ASSERT(aTextureId == TextureFront ||
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aTextureId == TextureOnWhiteFront);
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RefPtr<DeprecatedTextureHost> *newHost =
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(aTextureId == TextureFront) ? &mNewFrontHost : &mNewFrontHostOnWhite;
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*newHost = DeprecatedTextureHost::CreateDeprecatedTextureHost(aSurface.type(),
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aTextureInfo.mDeprecatedTextureHostFlags,
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aTextureInfo.mTextureFlags);
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(*newHost)->SetBuffer(new SurfaceDescriptor(aSurface), aAllocator);
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Compositor* compositor = GetCompositor();
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if (compositor) {
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(*newHost)->SetCompositor(compositor);
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}
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}
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void
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ContentHostSingleBuffered::DestroyTextures()
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{
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MOZ_ASSERT(!mNewFrontHost || mNewFrontHost->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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MOZ_ASSERT(!mNewFrontHostOnWhite || mNewFrontHostOnWhite->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mNewFrontHost = nullptr;
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mNewFrontHostOnWhite = nullptr;
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// don't touch mDeprecatedTextureHost, we might need it for compositing
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}
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void
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ContentHostSingleBuffered::UpdateThebes(const ThebesBufferData& aData,
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const nsIntRegion& aUpdated,
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const nsIntRegion& aOldValidRegionBack,
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nsIntRegion* aUpdatedRegionBack)
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{
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aUpdatedRegionBack->SetEmpty();
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if (!mDeprecatedTextureHost && !mNewFrontHost) {
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mInitialised = false;
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return;
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}
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if (mNewFrontHost) {
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DestroyFrontHost();
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mDeprecatedTextureHost = mNewFrontHost;
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mNewFrontHost = nullptr;
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if (mNewFrontHostOnWhite) {
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mDeprecatedTextureHostOnWhite = mNewFrontHostOnWhite;
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mNewFrontHostOnWhite = nullptr;
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}
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}
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MOZ_ASSERT(mDeprecatedTextureHost);
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MOZ_ASSERT(!mNewFrontHostOnWhite, "New white host without a new black?");
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// updated is in screen coordinates. Convert it to buffer coordinates.
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nsIntRegion destRegion(aUpdated);
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destRegion.MoveBy(-aData.rect().TopLeft());
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// Correct for rotation
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destRegion.MoveBy(aData.rotation());
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gfxIntSize size = aData.rect().Size();
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nsIntRect destBounds = destRegion.GetBounds();
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destRegion.MoveBy((destBounds.x >= size.width) ? -size.width : 0,
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(destBounds.y >= size.height) ? -size.height : 0);
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// There's code to make sure that updated regions don't cross rotation
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// boundaries, so assert here that this is the case
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MOZ_ASSERT((destBounds.x % size.width) + destBounds.width <= size.width,
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"updated region lies across rotation boundaries!");
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MOZ_ASSERT((destBounds.y % size.height) + destBounds.height <= size.height,
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"updated region lies across rotation boundaries!");
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mDeprecatedTextureHost->Update(*mDeprecatedTextureHost->GetBuffer(), &destRegion);
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if (mDeprecatedTextureHostOnWhite) {
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mDeprecatedTextureHostOnWhite->Update(*mDeprecatedTextureHostOnWhite->GetBuffer(), &destRegion);
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}
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mInitialised = true;
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mBufferRect = aData.rect();
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mBufferRotation = aData.rotation();
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}
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ContentHostDoubleBuffered::~ContentHostDoubleBuffered()
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{
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DestroyTextures();
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DestroyFrontHost();
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}
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void
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ContentHostDoubleBuffered::EnsureDeprecatedTextureHost(TextureIdentifier aTextureId,
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const SurfaceDescriptor& aSurface,
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ISurfaceAllocator* aAllocator,
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const TextureInfo& aTextureInfo)
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{
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RefPtr<DeprecatedTextureHost> newHost = DeprecatedTextureHost::CreateDeprecatedTextureHost(aSurface.type(),
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aTextureInfo.mDeprecatedTextureHostFlags,
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aTextureInfo.mTextureFlags);
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newHost->SetBuffer(new SurfaceDescriptor(aSurface), aAllocator);
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Compositor* compositor = GetCompositor();
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if (compositor) {
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newHost->SetCompositor(compositor);
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}
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if (aTextureId == TextureFront) {
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mNewFrontHost = newHost;
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return;
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}
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if (aTextureId == TextureOnWhiteFront) {
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mNewFrontHostOnWhite = newHost;
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return;
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}
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if (aTextureId == TextureBack) {
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mBackHost = newHost;
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mBufferRect = nsIntRect();
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mBufferRotation = nsIntPoint();
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return;
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}
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if (aTextureId == TextureOnWhiteBack) {
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mBackHostOnWhite = newHost;
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return;
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}
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NS_ERROR("Bad texture identifier");
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}
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void
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ContentHostDoubleBuffered::DestroyTextures()
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{
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if (mNewFrontHost) {
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MOZ_ASSERT(mNewFrontHost->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mNewFrontHost = nullptr;
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}
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if (mNewFrontHostOnWhite) {
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MOZ_ASSERT(mNewFrontHostOnWhite->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mNewFrontHostOnWhite = nullptr;
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}
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if (mBackHost) {
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MOZ_ASSERT(mBackHost->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mBackHost = nullptr;
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}
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if (mBackHostOnWhite) {
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MOZ_ASSERT(mBackHostOnWhite->GetDeAllocator(),
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"We won't be able to destroy our SurfaceDescriptor");
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mBackHostOnWhite = nullptr;
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}
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// don't touch mDeprecatedTextureHost, we might need it for compositing
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}
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void
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ContentHostDoubleBuffered::UpdateThebes(const ThebesBufferData& aData,
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const nsIntRegion& aUpdated,
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const nsIntRegion& aOldValidRegionBack,
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nsIntRegion* aUpdatedRegionBack)
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{
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if (!mDeprecatedTextureHost && !mNewFrontHost) {
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mInitialised = false;
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*aUpdatedRegionBack = aUpdated;
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return;
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}
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if (mNewFrontHost) {
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DestroyFrontHost();
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mDeprecatedTextureHost = mNewFrontHost;
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mNewFrontHost = nullptr;
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if (mNewFrontHostOnWhite) {
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mDeprecatedTextureHostOnWhite = mNewFrontHostOnWhite;
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mNewFrontHostOnWhite = nullptr;
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}
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}
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MOZ_ASSERT(mDeprecatedTextureHost);
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MOZ_ASSERT(!mNewFrontHostOnWhite, "New white host without a new black?");
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MOZ_ASSERT(mBackHost);
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RefPtr<DeprecatedTextureHost> oldFront = mDeprecatedTextureHost;
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mDeprecatedTextureHost = mBackHost;
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mBackHost = oldFront;
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oldFront = mDeprecatedTextureHostOnWhite;
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mDeprecatedTextureHostOnWhite = mBackHostOnWhite;
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mBackHostOnWhite = oldFront;
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mDeprecatedTextureHost->Update(*mDeprecatedTextureHost->GetBuffer());
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if (mDeprecatedTextureHostOnWhite) {
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mDeprecatedTextureHostOnWhite->Update(*mDeprecatedTextureHostOnWhite->GetBuffer());
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}
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mInitialised = true;
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mBufferRect = aData.rect();
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mBufferRotation = aData.rotation();
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*aUpdatedRegionBack = aUpdated;
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// Save the current valid region of our front buffer, because if
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// we're double buffering, it's going to be the valid region for the
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// next back buffer sent back to the renderer.
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//
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// NB: we rely here on the fact that mValidRegion is initialized to
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// empty, and that the first time Swap() is called we don't have a
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// valid front buffer that we're going to return to content.
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mValidRegionForNextBackBuffer = aOldValidRegionBack;
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}
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void
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ContentHostIncremental::EnsureDeprecatedTextureHostIncremental(ISurfaceAllocator* aAllocator,
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const TextureInfo& aTextureInfo,
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const nsIntRect& aBufferRect)
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{
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mUpdateList.AppendElement(new TextureCreationRequest(aTextureInfo,
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aBufferRect));
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mDeAllocator = aAllocator;
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}
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void
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ContentHostIncremental::UpdateIncremental(TextureIdentifier aTextureId,
|
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SurfaceDescriptor& aSurface,
|
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const nsIntRegion& aUpdated,
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const nsIntRect& aBufferRect,
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const nsIntPoint& aBufferRotation)
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{
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mUpdateList.AppendElement(new TextureUpdateRequest(mDeAllocator,
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aTextureId,
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aSurface,
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aUpdated,
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aBufferRect,
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aBufferRotation));
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}
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void
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ContentHostIncremental::ProcessTextureUpdates()
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{
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for (uint32_t i = 0; i < mUpdateList.Length(); i++) {
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mUpdateList[i]->Execute(this);
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}
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mUpdateList.Clear();
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}
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void
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ContentHostIncremental::TextureCreationRequest::Execute(ContentHostIncremental* aHost)
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{
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RefPtr<DeprecatedTextureHost> newHost =
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DeprecatedTextureHost::CreateDeprecatedTextureHost(SurfaceDescriptor::TShmem,
|
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mTextureInfo.mDeprecatedTextureHostFlags,
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mTextureInfo.mTextureFlags);
|
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Compositor* compositor = aHost->GetCompositor();
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if (compositor) {
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newHost->SetCompositor(compositor);
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}
|
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RefPtr<DeprecatedTextureHost> newHostOnWhite;
|
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if (mTextureInfo.mTextureFlags & ComponentAlpha) {
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newHostOnWhite =
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DeprecatedTextureHost::CreateDeprecatedTextureHost(SurfaceDescriptor::TShmem,
|
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mTextureInfo.mDeprecatedTextureHostFlags,
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mTextureInfo.mTextureFlags);
|
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Compositor* compositor = aHost->GetCompositor();
|
|
if (compositor) {
|
|
newHostOnWhite->SetCompositor(compositor);
|
|
}
|
|
}
|
|
|
|
if (mTextureInfo.mDeprecatedTextureHostFlags & TEXTURE_HOST_COPY_PREVIOUS) {
|
|
nsIntRect bufferRect = aHost->mBufferRect;
|
|
nsIntPoint bufferRotation = aHost->mBufferRotation;
|
|
nsIntRect overlap;
|
|
|
|
// The buffer looks like:
|
|
// ______
|
|
// |1 |2 | Where the center point is offset by mBufferRotation from the top-left corner.
|
|
// |___|__|
|
|
// |3 |4 |
|
|
// |___|__|
|
|
//
|
|
// This is drawn to the screen as:
|
|
// ______
|
|
// |4 |3 | Where the center point is { width - mBufferRotation.x, height - mBufferRotation.y } from
|
|
// |___|__| from the top left corner - rotationPoint.
|
|
// |2 |1 |
|
|
// |___|__|
|
|
//
|
|
|
|
// The basic idea below is to take all quadrant rectangles from the src and transform them into rectangles
|
|
// in the destination. Unfortunately, it seems it is overly complex and could perhaps be simplified.
|
|
|
|
nsIntRect srcBufferSpaceBottomRight(bufferRotation.x, bufferRotation.y, bufferRect.width - bufferRotation.x, bufferRect.height - bufferRotation.y);
|
|
nsIntRect srcBufferSpaceTopRight(bufferRotation.x, 0, bufferRect.width - bufferRotation.x, bufferRotation.y);
|
|
nsIntRect srcBufferSpaceTopLeft(0, 0, bufferRotation.x, bufferRotation.y);
|
|
nsIntRect srcBufferSpaceBottomLeft(0, bufferRotation.y, bufferRotation.x, bufferRect.height - bufferRotation.y);
|
|
|
|
overlap.IntersectRect(bufferRect, mBufferRect);
|
|
|
|
nsIntRect srcRect(overlap), dstRect(overlap);
|
|
srcRect.MoveBy(- bufferRect.TopLeft() + bufferRotation);
|
|
|
|
nsIntRect srcRectDrawTopRight(srcRect);
|
|
nsIntRect srcRectDrawTopLeft(srcRect);
|
|
nsIntRect srcRectDrawBottomLeft(srcRect);
|
|
// transform into the different quadrants
|
|
srcRectDrawTopRight .MoveBy(-nsIntPoint(0, bufferRect.height));
|
|
srcRectDrawTopLeft .MoveBy(-nsIntPoint(bufferRect.width, bufferRect.height));
|
|
srcRectDrawBottomLeft.MoveBy(-nsIntPoint(bufferRect.width, 0));
|
|
|
|
// Intersect with the quadrant
|
|
srcRect = srcRect .Intersect(srcBufferSpaceBottomRight);
|
|
srcRectDrawTopRight = srcRectDrawTopRight .Intersect(srcBufferSpaceTopRight);
|
|
srcRectDrawTopLeft = srcRectDrawTopLeft .Intersect(srcBufferSpaceTopLeft);
|
|
srcRectDrawBottomLeft = srcRectDrawBottomLeft.Intersect(srcBufferSpaceBottomLeft);
|
|
|
|
dstRect = srcRect;
|
|
nsIntRect dstRectDrawTopRight(srcRectDrawTopRight);
|
|
nsIntRect dstRectDrawTopLeft(srcRectDrawTopLeft);
|
|
nsIntRect dstRectDrawBottomLeft(srcRectDrawBottomLeft);
|
|
|
|
// transform back to src buffer space
|
|
dstRect .MoveBy(-bufferRotation);
|
|
dstRectDrawTopRight .MoveBy(-bufferRotation + nsIntPoint(0, bufferRect.height));
|
|
dstRectDrawTopLeft .MoveBy(-bufferRotation + nsIntPoint(bufferRect.width, bufferRect.height));
|
|
dstRectDrawBottomLeft.MoveBy(-bufferRotation + nsIntPoint(bufferRect.width, 0));
|
|
|
|
// transform back to draw coordinates
|
|
dstRect .MoveBy(bufferRect.TopLeft());
|
|
dstRectDrawTopRight .MoveBy(bufferRect.TopLeft());
|
|
dstRectDrawTopLeft .MoveBy(bufferRect.TopLeft());
|
|
dstRectDrawBottomLeft.MoveBy(bufferRect.TopLeft());
|
|
|
|
// transform to destBuffer space
|
|
dstRect .MoveBy(-mBufferRect.TopLeft());
|
|
dstRectDrawTopRight .MoveBy(-mBufferRect.TopLeft());
|
|
dstRectDrawTopLeft .MoveBy(-mBufferRect.TopLeft());
|
|
dstRectDrawBottomLeft.MoveBy(-mBufferRect.TopLeft());
|
|
|
|
newHost->EnsureBuffer(mBufferRect.Size(),
|
|
ContentForFormat(aHost->mDeprecatedTextureHost->GetFormat()));
|
|
|
|
aHost->mDeprecatedTextureHost->CopyTo(srcRect, newHost, dstRect);
|
|
if (bufferRotation != nsIntPoint(0, 0)) {
|
|
// Draw the remaining quadrants. We call BlitTextureImage 3 extra
|
|
// times instead of doing a single draw call because supporting that
|
|
// with a tiled source is quite tricky.
|
|
|
|
if (!srcRectDrawTopRight.IsEmpty())
|
|
aHost->mDeprecatedTextureHost->CopyTo(srcRectDrawTopRight,
|
|
newHost, dstRectDrawTopRight);
|
|
if (!srcRectDrawTopLeft.IsEmpty())
|
|
aHost->mDeprecatedTextureHost->CopyTo(srcRectDrawTopLeft,
|
|
newHost, dstRectDrawTopLeft);
|
|
if (!srcRectDrawBottomLeft.IsEmpty())
|
|
aHost->mDeprecatedTextureHost->CopyTo(srcRectDrawBottomLeft,
|
|
newHost, dstRectDrawBottomLeft);
|
|
}
|
|
|
|
if (newHostOnWhite) {
|
|
newHostOnWhite->EnsureBuffer(mBufferRect.Size(),
|
|
ContentForFormat(aHost->mDeprecatedTextureHostOnWhite->GetFormat()));
|
|
aHost->mDeprecatedTextureHostOnWhite->CopyTo(srcRect, newHostOnWhite, dstRect);
|
|
if (bufferRotation != nsIntPoint(0, 0)) {
|
|
// draw the remaining quadrants
|
|
if (!srcRectDrawTopRight.IsEmpty())
|
|
aHost->mDeprecatedTextureHostOnWhite->CopyTo(srcRectDrawTopRight,
|
|
newHostOnWhite, dstRectDrawTopRight);
|
|
if (!srcRectDrawTopLeft.IsEmpty())
|
|
aHost->mDeprecatedTextureHostOnWhite->CopyTo(srcRectDrawTopLeft,
|
|
newHostOnWhite, dstRectDrawTopLeft);
|
|
if (!srcRectDrawBottomLeft.IsEmpty())
|
|
aHost->mDeprecatedTextureHostOnWhite->CopyTo(srcRectDrawBottomLeft,
|
|
newHostOnWhite, dstRectDrawBottomLeft);
|
|
}
|
|
}
|
|
}
|
|
|
|
aHost->mDeprecatedTextureHost = newHost;
|
|
aHost->mDeprecatedTextureHostOnWhite = newHostOnWhite;
|
|
|
|
aHost->mBufferRect = mBufferRect;
|
|
aHost->mBufferRotation = nsIntPoint();
|
|
}
|
|
|
|
nsIntRect
|
|
ContentHostIncremental::TextureUpdateRequest::GetQuadrantRectangle(XSide aXSide,
|
|
YSide aYSide) const
|
|
{
|
|
// quadrantTranslation is the amount we translate the top-left
|
|
// of the quadrant by to get coordinates relative to the layer
|
|
nsIntPoint quadrantTranslation = -mBufferRotation;
|
|
quadrantTranslation.x += aXSide == LEFT ? mBufferRect.width : 0;
|
|
quadrantTranslation.y += aYSide == TOP ? mBufferRect.height : 0;
|
|
return mBufferRect + quadrantTranslation;
|
|
}
|
|
|
|
void
|
|
ContentHostIncremental::TextureUpdateRequest::Execute(ContentHostIncremental* aHost)
|
|
{
|
|
nsIntRect drawBounds = mUpdated.GetBounds();
|
|
|
|
aHost->mBufferRect = mBufferRect;
|
|
aHost->mBufferRotation = mBufferRotation;
|
|
|
|
// Figure out which quadrant to draw in
|
|
int32_t xBoundary = mBufferRect.XMost() - mBufferRotation.x;
|
|
int32_t yBoundary = mBufferRect.YMost() - mBufferRotation.y;
|
|
XSide sideX = drawBounds.XMost() <= xBoundary ? RIGHT : LEFT;
|
|
YSide sideY = drawBounds.YMost() <= yBoundary ? BOTTOM : TOP;
|
|
nsIntRect quadrantRect = GetQuadrantRectangle(sideX, sideY);
|
|
NS_ASSERTION(quadrantRect.Contains(drawBounds), "Messed up quadrants");
|
|
|
|
mUpdated.MoveBy(-nsIntPoint(quadrantRect.x, quadrantRect.y));
|
|
|
|
nsIntPoint offset = -mUpdated.GetBounds().TopLeft();
|
|
|
|
if (mTextureId == TextureFront) {
|
|
aHost->mDeprecatedTextureHost->Update(mDescriptor, &mUpdated, &offset);
|
|
} else {
|
|
aHost->mDeprecatedTextureHostOnWhite->Update(mDescriptor, &mUpdated, &offset);
|
|
}
|
|
}
|
|
|
|
#ifdef MOZ_LAYERS_HAVE_LOG
|
|
void
|
|
ContentHostSingleBuffered::PrintInfo(nsACString& aTo, const char* aPrefix)
|
|
{
|
|
aTo += aPrefix;
|
|
aTo += nsPrintfCString("ContentHostSingleBuffered (0x%p)", this);
|
|
|
|
AppendToString(aTo, mBufferRect, " [buffer-rect=", "]");
|
|
AppendToString(aTo, mBufferRotation, " [buffer-rotation=", "]");
|
|
if (PaintWillResample()) {
|
|
aTo += " [paint-will-resample]";
|
|
}
|
|
|
|
nsAutoCString pfx(aPrefix);
|
|
pfx += " ";
|
|
|
|
if (mDeprecatedTextureHost) {
|
|
aTo += "\n";
|
|
mDeprecatedTextureHost->PrintInfo(aTo, pfx.get());
|
|
}
|
|
}
|
|
|
|
void
|
|
ContentHostDoubleBuffered::PrintInfo(nsACString& aTo, const char* aPrefix)
|
|
{
|
|
aTo += aPrefix;
|
|
aTo += nsPrintfCString("ContentHostDoubleBuffered (0x%p)", this);
|
|
|
|
AppendToString(aTo, mBufferRect, " [buffer-rect=", "]");
|
|
AppendToString(aTo, mBufferRotation, " [buffer-rotation=", "]");
|
|
if (PaintWillResample()) {
|
|
aTo += " [paint-will-resample]";
|
|
}
|
|
|
|
nsAutoCString prefix(aPrefix);
|
|
prefix += " ";
|
|
|
|
if (mDeprecatedTextureHost) {
|
|
aTo += "\n";
|
|
mDeprecatedTextureHost->PrintInfo(aTo, prefix.get());
|
|
}
|
|
|
|
if (mBackHost) {
|
|
aTo += "\n";
|
|
mBackHost->PrintInfo(aTo, prefix.get());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
ContentHostDoubleBuffered::Dump(FILE* aFile,
|
|
const char* aPrefix,
|
|
bool aDumpHtml)
|
|
{
|
|
ContentHostBase::Dump(aFile, aPrefix, aDumpHtml);
|
|
if (!aFile) {
|
|
aFile = stderr;
|
|
}
|
|
if (aDumpHtml) {
|
|
fprintf(aFile, "<ul>");
|
|
}
|
|
if (mBackHost) {
|
|
fprintf(aFile, "%s", aPrefix);
|
|
fprintf(aFile, aDumpHtml ? "<li> <a href=" : "Back buffer: ");
|
|
DumpDeprecatedTextureHost(aFile, mBackHost);
|
|
fprintf(aFile, aDumpHtml ? " >Back buffer</a></li>" : " ");
|
|
}
|
|
if (mBackHostOnWhite) {
|
|
fprintf(aFile, "%s", aPrefix);
|
|
fprintf(aFile, aDumpHtml ? "<li> <a href=" : "Back buffer on white: ");
|
|
DumpDeprecatedTextureHost(aFile, mBackHostOnWhite);
|
|
fprintf(aFile, aDumpHtml ? " >Back buffer on white</a> </li>" : " ");
|
|
}
|
|
if (aDumpHtml) {
|
|
fprintf(aFile, "</ul>");
|
|
}
|
|
|
|
}
|
|
|
|
LayerRenderState
|
|
ContentHostBase::GetRenderState()
|
|
{
|
|
LayerRenderState result = mDeprecatedTextureHost->GetRenderState();
|
|
|
|
if (mBufferRotation != nsIntPoint()) {
|
|
result.mFlags |= LAYER_RENDER_STATE_BUFFER_ROTATION;
|
|
}
|
|
result.SetOffset(GetOriginOffset());
|
|
return result;
|
|
}
|
|
|
|
#ifdef MOZ_DUMP_PAINTING
|
|
already_AddRefed<gfxImageSurface>
|
|
ContentHostBase::GetAsSurface()
|
|
{
|
|
return mDeprecatedTextureHost->GetAsSurface();
|
|
}
|
|
#endif
|
|
|
|
|
|
} // namespace
|
|
} // namespace
|