gecko-dev/gfx/layers/ImageLayers.cpp

465 строки
12 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/ipc/Shmem.h"
#include "mozilla/ipc/CrossProcessMutex.h"
#include "ImageLayers.h"
#include "gfxImageSurface.h"
#include "yuv_convert.h"
#ifdef XP_MACOSX
#include "nsCoreAnimationSupport.h"
#endif
#ifdef XP_WIN
#include "gfxD2DSurface.h"
#include "gfxWindowsPlatform.h"
#include <d3d10_1.h>
#include "d3d10/ImageLayerD3D10.h"
#endif
using namespace mozilla::ipc;
namespace mozilla {
namespace layers {
already_AddRefed<Image>
ImageFactory::CreateImage(const Image::Format *aFormats,
PRUint32 aNumFormats,
const gfxIntSize &,
BufferRecycleBin *aRecycleBin)
{
if (!aNumFormats) {
return nsnull;
}
nsRefPtr<Image> img;
if (FormatInList(aFormats, aNumFormats, Image::PLANAR_YCBCR)) {
img = new PlanarYCbCrImage(aRecycleBin);
} else if (FormatInList(aFormats, aNumFormats, Image::CAIRO_SURFACE)) {
img = new CairoImage();
#ifdef XP_MACOSX
} else if (FormatInList(aFormats, aNumFormats, Image::MAC_IO_SURFACE)) {
img = new MacIOSurfaceImage();
#endif
}
return img.forget();
}
BufferRecycleBin::BufferRecycleBin()
: mLock("mozilla.layers.BufferRecycleBin.mLock")
{
}
void
BufferRecycleBin::RecycleBuffer(PRUint8* aBuffer, PRUint32 aSize)
{
MutexAutoLock lock(mLock);
if (!mRecycledBuffers.IsEmpty() && aSize != mRecycledBufferSize) {
mRecycledBuffers.Clear();
}
mRecycledBufferSize = aSize;
mRecycledBuffers.AppendElement(aBuffer);
}
PRUint8*
BufferRecycleBin::GetBuffer(PRUint32 aSize)
{
MutexAutoLock lock(mLock);
if (mRecycledBuffers.IsEmpty() || mRecycledBufferSize != aSize)
return new PRUint8[aSize];
PRUint32 last = mRecycledBuffers.Length() - 1;
PRUint8* result = mRecycledBuffers[last].forget();
mRecycledBuffers.RemoveElementAt(last);
return result;
}
ImageContainer::~ImageContainer()
{
}
already_AddRefed<Image>
ImageContainer::CreateImage(const Image::Format *aFormats,
PRUint32 aNumFormats)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
return mImageFactory->CreateImage(aFormats, aNumFormats, mScaleHint, mRecycleBin);
}
void
ImageContainer::SetCurrentImage(Image *aImage)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
// This is important since it ensures we won't change the active image
// when we currently have a locked image that depends on mRemoteData.
}
mActiveImage = aImage;
CurrentImageChanged();
if (mRemoteData) {
mRemoteDataMutex->Unlock();
}
}
bool
ImageContainer::HasCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
EnsureActiveImage();
return !!mActiveImage.get();
}
return !!mActiveImage.get();
}
already_AddRefed<Image>
ImageContainer::LockCurrentImage()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
}
EnsureActiveImage();
nsRefPtr<Image> retval = mActiveImage;
return retval.forget();
}
already_AddRefed<gfxASurface>
ImageContainer::LockCurrentAsSurface(gfxIntSize *aSize, Image** aCurrentImage)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Lock();
EnsureActiveImage();
if (aCurrentImage) {
NS_IF_ADDREF(mActiveImage);
*aCurrentImage = mActiveImage.get();
}
if (!mActiveImage) {
return nsnull;
}
if (mActiveImage->GetFormat() == Image::REMOTE_IMAGE_BITMAP) {
nsRefPtr<gfxImageSurface> newSurf =
new gfxImageSurface(mRemoteData->mBitmap.mData, mRemoteData->mSize, mRemoteData->mBitmap.mStride,
mRemoteData->mFormat == RemoteImageData::BGRX32 ?
gfxASurface::ImageFormatARGB32 :
gfxASurface::ImageFormatRGB24);
*aSize = newSurf->GetSize();
return newSurf.forget();
}
*aSize = mActiveImage->GetSize();
return mActiveImage->GetAsSurface();
}
if (aCurrentImage) {
NS_IF_ADDREF(mActiveImage);
*aCurrentImage = mActiveImage.get();
}
if (!mActiveImage) {
return nsnull;
}
*aSize = mActiveImage->GetSize();
return mActiveImage->GetAsSurface();
}
void
ImageContainer::UnlockCurrentImage()
{
if (mRemoteData) {
NS_ASSERTION(mRemoteDataMutex, "Should have remote data mutex when having remote data!");
mRemoteDataMutex->Unlock();
}
}
already_AddRefed<gfxASurface>
ImageContainer::GetCurrentAsSurface(gfxIntSize *aSize)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
EnsureActiveImage();
if (!mActiveImage)
return nsnull;
*aSize = mRemoteData->mSize;
} else {
if (!mActiveImage)
return nsnull;
*aSize = mActiveImage->GetSize();
}
return mActiveImage->GetAsSurface();
}
gfxIntSize
ImageContainer::GetCurrentSize()
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
if (mRemoteData) {
CrossProcessMutexAutoLock autoLock(*mRemoteDataMutex);
// We don't need to ensure we have an active image here, as we need to
// be in the mutex anyway, and this is easiest to return from there.
return mRemoteData->mSize;
}
if (!mActiveImage) {
return gfxIntSize(0,0);
}
return mActiveImage->GetSize();
}
void
ImageContainer::SetRemoteImageData(RemoteImageData *aData, CrossProcessMutex *aMutex)
{
ReentrantMonitorAutoEnter mon(mReentrantMonitor);
NS_ASSERTION(!mActiveImage || !aData, "No active image expected when SetRemoteImageData is called with non-NULL aData.");
NS_ASSERTION(!mRemoteData || !aData, "No remote data expected when SetRemoteImageData is called with non-NULL aData.");
mRemoteData = aData;
if (aData) {
memset(aData, 0, sizeof(RemoteImageData));
} else {
mActiveImage = nsnull;
}
mRemoteDataMutex = aMutex;
}
void
ImageContainer::EnsureActiveImage()
{
if (mRemoteData) {
if (mRemoteData->mWasUpdated) {
mActiveImage = nsnull;
}
if (mRemoteData->mType == RemoteImageData::RAW_BITMAP &&
mRemoteData->mBitmap.mData && !mActiveImage) {
nsRefPtr<RemoteBitmapImage> newImg = new RemoteBitmapImage();
newImg->mFormat = mRemoteData->mFormat;
newImg->mData = mRemoteData->mBitmap.mData;
newImg->mSize = mRemoteData->mSize;
newImg->mStride = mRemoteData->mBitmap.mStride;
mRemoteData->mWasUpdated = false;
mActiveImage = newImg;
}
#ifdef XP_WIN
else if (mRemoteData->mType == RemoteImageData::DXGI_TEXTURE_HANDLE &&
mRemoteData->mTextureHandle && !mActiveImage) {
nsRefPtr<RemoteDXGITextureImage> newImg = new RemoteDXGITextureImage();
newImg->mSize = mRemoteData->mSize;
newImg->mHandle = mRemoteData->mTextureHandle;
newImg->mFormat = mRemoteData->mFormat;
mRemoteData->mWasUpdated = false;
mActiveImage = newImg;
}
#endif
}
}
PlanarYCbCrImage::PlanarYCbCrImage(BufferRecycleBin *aRecycleBin)
: Image(nsnull, PLANAR_YCBCR)
, mBufferSize(0)
, mRecycleBin(aRecycleBin)
{
}
PlanarYCbCrImage::~PlanarYCbCrImage()
{
if (mBuffer) {
mRecycleBin->RecycleBuffer(mBuffer.forget(), mBufferSize);
}
}
PRUint8*
PlanarYCbCrImage::AllocateBuffer(PRUint32 aSize)
{
return mRecycleBin->GetBuffer(aSize);
}
static void
CopyPlane(PRUint8 *aDst, PRUint8 *aSrc,
const gfxIntSize &aSize, PRInt32 aStride,
PRInt32 aOffset, PRInt32 aSkip)
{
if (!aOffset && !aSkip) {
// Fast path: planar input.
memcpy(aDst, aSrc, aSize.height * aStride);
} else {
PRInt32 height = aSize.height;
PRInt32 width = aSize.width;
for (int y = 0; y < height; ++y) {
PRUint8 *src = aSrc + aOffset;
PRUint8 *dst = aDst;
if (!aSkip) {
// Fast path: offset only, no per-pixel skip.
memcpy(dst, src, width);
} else {
// Slow path
for (int x = 0; x < width; ++x) {
*dst++ = *src++;
src += aSkip;
}
}
aSrc += aStride;
aDst += aStride;
}
}
}
void
PlanarYCbCrImage::CopyData(const Data& aData,
PRInt32 aYOffset, PRInt32 aYSkip,
PRInt32 aCbOffset, PRInt32 aCbSkip,
PRInt32 aCrOffset, PRInt32 aCrSkip)
{
mData = aData;
// update buffer size
mBufferSize = mData.mCbCrStride * mData.mCbCrSize.height * 2 +
mData.mYStride * mData.mYSize.height;
// get new buffer
mBuffer = AllocateBuffer(mBufferSize);
if (!mBuffer)
return;
mData.mYChannel = mBuffer;
mData.mCbChannel = mData.mYChannel + mData.mYStride * mData.mYSize.height;
mData.mCrChannel = mData.mCbChannel + mData.mCbCrStride * mData.mCbCrSize.height;
CopyPlane(mData.mYChannel, aData.mYChannel,
mData.mYSize, mData.mYStride,
aYOffset, aYSkip);
CopyPlane(mData.mCbChannel, aData.mCbChannel,
mData.mCbCrSize, mData.mCbCrStride,
aCbOffset, aCbSkip);
CopyPlane(mData.mCrChannel, aData.mCrChannel,
mData.mCbCrSize, mData.mCbCrStride,
aCrOffset, aCrSkip);
mSize = aData.mPicSize;
}
void
PlanarYCbCrImage::SetData(const Data &aData)
{
CopyData(aData);
}
already_AddRefed<gfxASurface>
PlanarYCbCrImage::GetAsSurface()
{
if (mSurface) {
nsRefPtr<gfxASurface> result = mSurface.get();
return result.forget();
}
nsRefPtr<gfxImageSurface> imageSurface =
new gfxImageSurface(mSize, gfxASurface::ImageFormatRGB24);
gfx::YUVType type =
gfx::TypeFromSize(mData.mYSize.width,
mData.mYSize.height,
mData.mCbCrSize.width,
mData.mCbCrSize.height);
// Convert from YCbCr to RGB now
gfx::ConvertYCbCrToRGB32(mData.mYChannel,
mData.mCbChannel,
mData.mCrChannel,
imageSurface->Data(),
mData.mPicX,
mData.mPicY,
mData.mPicSize.width,
mData.mPicSize.height,
mData.mYStride,
mData.mCbCrStride,
imageSurface->Stride(),
type);
mSurface = imageSurface;
return imageSurface.forget().get();
}
#ifdef XP_MACOSX
void
MacIOSurfaceImage::SetData(const Data& aData)
{
mIOSurface = nsIOSurface::LookupSurface(aData.mIOSurface->GetIOSurfaceID());
mSize = gfxIntSize(mIOSurface->GetWidth(), mIOSurface->GetHeight());
}
already_AddRefed<gfxASurface>
MacIOSurfaceImage::GetAsSurface()
{
return mIOSurface->GetAsSurface();
}
void
MacIOSurfaceImage::Update(ImageContainer* aContainer)
{
if (mUpdateCallback) {
mUpdateCallback(aContainer, mPluginInstanceOwner);
}
}
#endif
already_AddRefed<gfxASurface>
RemoteBitmapImage::GetAsSurface()
{
nsRefPtr<gfxImageSurface> newSurf =
new gfxImageSurface(mSize,
mFormat == RemoteImageData::BGRX32 ? gfxASurface::ImageFormatRGB24 : gfxASurface::ImageFormatARGB32);
for (int y = 0; y < mSize.height; y++) {
memcpy(newSurf->Data() + newSurf->Stride() * y,
mData + mStride * y,
mSize.width * 4);
}
return newSurf.forget();
}
}
}