mirror of
https://github.com/mozilla/gecko-dev.git
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416 lines
13 KiB
C++
416 lines
13 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 "ImageHost.h"
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#include "LayersLogging.h" // for AppendToString
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#include "composite/CompositableHost.h" // for CompositableHost, etc
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#include "ipc/IPCMessageUtils.h" // for null_t
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#include "mozilla/layers/Compositor.h" // for Compositor
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#include "mozilla/layers/Effects.h" // for TexturedEffect, Effect, etc
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#include "nsAString.h"
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#include "nsDebug.h" // for NS_WARNING, NS_ASSERTION
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#include "nsPrintfCString.h" // for nsPrintfCString
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#include "nsString.h" // for nsAutoCString
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class nsIntRegion;
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namespace mozilla {
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namespace gfx {
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class Matrix4x4;
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}
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using namespace gfx;
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namespace layers {
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class ISurfaceAllocator;
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ImageHost::ImageHost(const TextureInfo& aTextureInfo)
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: CompositableHost(aTextureInfo)
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, mFrontBuffer(nullptr)
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, mHasPictureRect(false)
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{}
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ImageHost::~ImageHost() {}
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void
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ImageHost::UseTextureHost(TextureHost* aTexture)
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{
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CompositableHost::UseTextureHost(aTexture);
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mFrontBuffer = aTexture;
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}
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TextureHost*
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ImageHost::GetAsTextureHost()
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{
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return mFrontBuffer;
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}
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void
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ImageHost::Composite(EffectChain& aEffectChain,
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float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const gfx::Filter& aFilter,
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const gfx::Rect& aClipRect,
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const nsIntRegion* aVisibleRegion,
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TiledLayerProperties* aLayerProperties)
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{
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if (!GetCompositor()) {
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// should only happen when a tab is dragged to another window and
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// async-video is still sending frames but we haven't attached the
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// set the new compositor yet.
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return;
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}
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if (!mFrontBuffer) {
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return;
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}
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// Make sure the front buffer has a compositor
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mFrontBuffer->SetCompositor(GetCompositor());
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AutoLockTextureHost autoLock(mFrontBuffer);
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if (autoLock.Failed()) {
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NS_WARNING("failed to lock front buffer");
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return;
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}
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RefPtr<NewTextureSource> source = mFrontBuffer->GetTextureSources();
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if (!source) {
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return;
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}
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RefPtr<TexturedEffect> effect = CreateTexturedEffect(mFrontBuffer->GetFormat(),
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source,
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aFilter);
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if (!effect) {
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return;
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}
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aEffectChain.mPrimaryEffect = effect;
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IntSize textureSize = source->GetSize();
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gfx::Rect gfxPictureRect
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= mHasPictureRect ? gfx::Rect(0, 0, mPictureRect.width, mPictureRect.height)
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: gfx::Rect(0, 0, textureSize.width, textureSize.height);
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gfx::Rect pictureRect(0, 0,
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mPictureRect.width,
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mPictureRect.height);
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//XXX: We might have multiple texture sources here (e.g. 3 YCbCr textures), and we're
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// only iterating over the tiles of the first one. Are we assuming that the tiling
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// will be identical? Can we ensure that somehow?
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TileIterator* it = source->AsTileIterator();
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if (it) {
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it->BeginTileIteration();
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do {
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nsIntRect tileRect = it->GetTileRect();
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gfx::Rect rect(tileRect.x, tileRect.y, tileRect.width, tileRect.height);
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if (mHasPictureRect) {
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rect = rect.Intersect(pictureRect);
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effect->mTextureCoords = Rect(Float(rect.x - tileRect.x)/ tileRect.width,
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Float(rect.y - tileRect.y) / tileRect.height,
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Float(rect.width) / tileRect.width,
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Float(rect.height) / tileRect.height);
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} else {
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effect->mTextureCoords = Rect(0, 0, 1, 1);
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}
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GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
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aOpacity, aTransform);
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GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE|DIAGNOSTIC_BIGIMAGE,
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rect, aClipRect, aTransform);
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} while (it->NextTile());
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it->EndTileIteration();
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// layer border
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GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
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gfxPictureRect, aClipRect,
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aTransform);
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} else {
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IntSize textureSize = source->GetSize();
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gfx::Rect rect;
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if (mHasPictureRect) {
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effect->mTextureCoords = Rect(Float(mPictureRect.x) / textureSize.width,
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Float(mPictureRect.y) / textureSize.height,
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Float(mPictureRect.width) / textureSize.width,
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Float(mPictureRect.height) / textureSize.height);
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rect = pictureRect;
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} else {
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effect->mTextureCoords = Rect(0, 0, 1, 1);
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rect = gfx::Rect(0, 0, textureSize.width, textureSize.height);
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}
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if (mFrontBuffer->GetFlags() & TEXTURE_NEEDS_Y_FLIP) {
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effect->mTextureCoords.y = effect->mTextureCoords.YMost();
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effect->mTextureCoords.height = -effect->mTextureCoords.height;
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}
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GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
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aOpacity, aTransform);
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GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
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rect, aClipRect,
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aTransform);
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}
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}
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void
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ImageHost::SetCompositor(Compositor* aCompositor)
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{
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if (mFrontBuffer && mCompositor != aCompositor) {
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mFrontBuffer->SetCompositor(aCompositor);
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}
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CompositableHost::SetCompositor(aCompositor);
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}
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void
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ImageHost::PrintInfo(nsACString& aTo, const char* aPrefix)
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{
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aTo += aPrefix;
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aTo += nsPrintfCString("ImageHost (0x%p)", this);
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AppendToString(aTo, mPictureRect, " [picture-rect=", "]");
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if (mFrontBuffer) {
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nsAutoCString pfx(aPrefix);
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pfx += " ";
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aTo += "\n";
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mFrontBuffer->PrintInfo(aTo, pfx.get());
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}
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}
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#ifdef MOZ_DUMP_PAINTING
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void
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ImageHost::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 (mFrontBuffer) {
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fprintf_stderr(aFile, "%s", aPrefix);
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fprintf_stderr(aFile, aDumpHtml ? "<ul><li>TextureHost: "
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: "TextureHost: ");
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DumpTextureHost(aFile, mFrontBuffer);
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fprintf_stderr(aFile, aDumpHtml ? " </li></ul> " : " ");
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}
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}
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#endif
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LayerRenderState
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ImageHost::GetRenderState()
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{
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if (mFrontBuffer) {
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return mFrontBuffer->GetRenderState();
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}
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return LayerRenderState();
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}
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#ifdef MOZ_DUMP_PAINTING
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TemporaryRef<gfx::DataSourceSurface>
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ImageHost::GetAsSurface()
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{
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return mFrontBuffer->GetAsSurface();
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}
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#endif
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void
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DeprecatedImageHostSingle::SetCompositor(Compositor* aCompositor) {
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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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}
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void
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DeprecatedImageHostSingle::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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if (mDeprecatedTextureHost &&
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mDeprecatedTextureHost->GetBuffer() &&
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mDeprecatedTextureHost->GetBuffer()->type() == aSurface.type()) {
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return;
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}
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MakeDeprecatedTextureHost(aTextureId,
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aSurface,
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aAllocator,
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aTextureInfo);
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}
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void
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DeprecatedImageHostSingle::MakeDeprecatedTextureHost(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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mDeprecatedTextureHost = DeprecatedTextureHost::CreateDeprecatedTextureHost(aSurface.type(),
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mTextureInfo.mDeprecatedTextureHostFlags,
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mTextureInfo.mTextureFlags,
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this);
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NS_ASSERTION(mDeprecatedTextureHost, "Failed to create texture host");
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Compositor* compositor = GetCompositor();
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if (compositor && mDeprecatedTextureHost) {
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mDeprecatedTextureHost->SetCompositor(compositor);
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}
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}
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LayerRenderState
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DeprecatedImageHostSingle::GetRenderState()
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{
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if (mDeprecatedTextureHost) {
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return mDeprecatedTextureHost->GetRenderState();
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}
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return LayerRenderState();
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}
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void
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DeprecatedImageHostSingle::Composite(EffectChain& aEffectChain,
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float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const gfx::Filter& aFilter,
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const gfx::Rect& aClipRect,
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const nsIntRegion* aVisibleRegion,
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TiledLayerProperties* aLayerProperties)
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{
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if (!mDeprecatedTextureHost) {
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NS_WARNING("Can't composite an invalid or null DeprecatedTextureHost");
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return;
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}
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if (!mDeprecatedTextureHost->IsValid()) {
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NS_WARNING("Can't composite an invalid DeprecatedTextureHost");
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return;
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}
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if (!GetCompositor()) {
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// should only happen during tabswitch if async-video is still sending frames.
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return;
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}
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if (!mDeprecatedTextureHost->Lock()) {
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NS_ASSERTION(false, "failed to lock texture host");
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return;
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}
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RefPtr<TexturedEffect> effect =
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CreateTexturedEffect(mDeprecatedTextureHost, aFilter);
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if (!effect) {
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return;
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}
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aEffectChain.mPrimaryEffect = effect;
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TileIterator* it = mDeprecatedTextureHost->AsTileIterator();
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if (it) {
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it->BeginTileIteration();
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do {
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nsIntRect tileRect = it->GetTileRect();
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gfx::Rect rect(tileRect.x, tileRect.y, tileRect.width, tileRect.height);
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GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
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aOpacity, aTransform);
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GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE|DIAGNOSTIC_BIGIMAGE,
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rect, aClipRect, aTransform);
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} while (it->NextTile());
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it->EndTileIteration();
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} else {
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IntSize textureSize = mDeprecatedTextureHost->GetSize();
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gfx::Rect rect(0, 0,
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mPictureRect.width,
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mPictureRect.height);
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if (mHasPictureRect) {
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effect->mTextureCoords = Rect(Float(mPictureRect.x) / textureSize.width,
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Float(mPictureRect.y) / textureSize.height,
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Float(mPictureRect.width) / textureSize.width,
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Float(mPictureRect.height) / textureSize.height);
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} else {
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effect->mTextureCoords = Rect(0, 0, 1, 1);
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rect = gfx::Rect(0, 0, textureSize.width, textureSize.height);
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}
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if (mDeprecatedTextureHost->GetFlags() & TEXTURE_NEEDS_Y_FLIP) {
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effect->mTextureCoords.y = effect->mTextureCoords.YMost();
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effect->mTextureCoords.height = -effect->mTextureCoords.height;
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}
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GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
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aOpacity, aTransform);
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GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
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rect, aClipRect, aTransform);
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}
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mDeprecatedTextureHost->Unlock();
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}
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void
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DeprecatedImageHostSingle::PrintInfo(nsACString& aTo, const char* aPrefix)
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{
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aTo += aPrefix;
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aTo += nsPrintfCString("DeprecatedImageHostSingle (0x%p)", this);
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AppendToString(aTo, mPictureRect, " [picture-rect=", "]");
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if (mDeprecatedTextureHost) {
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nsAutoCString pfx(aPrefix);
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pfx += " ";
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aTo += "\n";
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mDeprecatedTextureHost->PrintInfo(aTo, pfx.get());
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}
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}
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bool
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DeprecatedImageHostBuffered::Update(const SurfaceDescriptor& aImage,
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SurfaceDescriptor* aResult) {
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if (!GetDeprecatedTextureHost()) {
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*aResult = aImage;
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return false;
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}
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GetDeprecatedTextureHost()->SwapTextures(aImage, aResult);
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return GetDeprecatedTextureHost()->IsValid();
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}
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void
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DeprecatedImageHostBuffered::MakeDeprecatedTextureHost(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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DeprecatedImageHostSingle::MakeDeprecatedTextureHost(aTextureId,
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aSurface,
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aAllocator,
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aTextureInfo);
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if (mDeprecatedTextureHost) {
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mDeprecatedTextureHost->SetBuffer(new SurfaceDescriptor(null_t()), aAllocator);
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}
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}
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#ifdef MOZ_DUMP_PAINTING
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void
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DeprecatedImageHostSingle::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 (mDeprecatedTextureHost) {
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fprintf_stderr(aFile, "%s", aPrefix);
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fprintf_stderr(aFile, aDumpHtml ? "<ul><li>DeprecatedTextureHost: "
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: "DeprecatedTextureHost: ");
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DumpDeprecatedTextureHost(aFile, mDeprecatedTextureHost);
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fprintf_stderr(aFile, aDumpHtml ? " </li></ul> " : " ");
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}
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}
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TemporaryRef<gfx::DataSourceSurface>
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DeprecatedImageHostSingle::GetAsSurface()
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{
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return mDeprecatedTextureHost->GetAsSurface();
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}
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#endif
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}
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}
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