TemporaryRef<TextureHost>
CreateTextureHostOGL(uint64_t aID,
                     const SurfaceDescriptor& aDesc,
                     ISurfaceAllocator* aDeallocator,
                     TextureFlags aFlags)
{
  RefPtr<TextureHost> result;
  switch (aDesc.type()) {
    case SurfaceDescriptor::TSurfaceDescriptorShmem:
    case SurfaceDescriptor::TSurfaceDescriptorMemory: {
      result = CreateBackendIndependentTextureHost(aID, aDesc,
                                                   aDeallocator, aFlags);
      break;
    }
    case SurfaceDescriptor::TSharedTextureDescriptor: {
      const SharedTextureDescriptor& desc = aDesc.get_SharedTextureDescriptor();
      result = new SharedTextureHostOGL(aID, aFlags,
                                        desc.shareType(),
                                        desc.handle(),
                                        gfx::ToIntSize(desc.size()),
                                        desc.inverted());
      break;
    }
    default: return nullptr;
  }
  return result.forget();
}
void
SharedDeprecatedTextureHostOGL::SwapTexturesImpl(const SurfaceDescriptor& aImage,
                                       nsIntRegion* aRegion)
{
  NS_ASSERTION(aImage.type() == SurfaceDescriptor::TSharedTextureDescriptor,
              "Invalid descriptor");

  SharedTextureDescriptor texture = aImage.get_SharedTextureDescriptor();

  SharedTextureHandle newHandle = texture.handle();
  nsIntSize size = texture.size();
  mSize = gfx::IntSize(size.width, size.height);
  if (texture.inverted()) {
    mFlags |= TEXTURE_NEEDS_Y_FLIP;
  }

  if (mSharedHandle && mSharedHandle != newHandle) {
    mGL->ReleaseSharedHandle(mShareType, mSharedHandle);
  }

  mShareType = texture.shareType();
  mSharedHandle = newHandle;

  GLContext::SharedHandleDetails handleDetails;
  if (mSharedHandle && mGL->GetSharedHandleDetails(mShareType, mSharedHandle, handleDetails)) {
    mTextureTarget = handleDetails.mTarget;
    mFormat = handleDetails.mTextureFormat;
  }
}
bool
ShadowImageLayerOGL::Init(const SharedImage& aFront)
{
  if (aFront.type() == SharedImage::TSurfaceDescriptor) {
    SurfaceDescriptor surface = aFront.get_SurfaceDescriptor();
    if (surface.type() == SurfaceDescriptor::TSharedTextureDescriptor) {
      SharedTextureDescriptor texture = surface.get_SharedTextureDescriptor();
      mSize = texture.size();
      mSharedHandle = texture.handle();
      mShareType = texture.shareType();
      mInverted = texture.inverted();
    } else {
      AutoOpenSurface autoSurf(OPEN_READ_ONLY, surface);
      mSize = autoSurf.Size();
      mTexImage = gl()->CreateTextureImage(nsIntSize(mSize.width, mSize.height),
                                           autoSurf.ContentType(),
                                           LOCAL_GL_CLAMP_TO_EDGE,
                                           mForceSingleTile
                                            ? TextureImage::ForceSingleTile
                                            : TextureImage::NoFlags);
    }
  } else {
    YUVImage yuv = aFront.get_YUVImage();

    AutoOpenSurface surfY(OPEN_READ_ONLY, yuv.Ydata());
    AutoOpenSurface surfU(OPEN_READ_ONLY, yuv.Udata());

    mSize = surfY.Size();
    mCbCrSize = surfU.Size();

    if (!mYUVTexture[0].IsAllocated()) {
      mYUVTexture[0].Allocate(gl());
      mYUVTexture[1].Allocate(gl());
      mYUVTexture[2].Allocate(gl());
    }

    NS_ASSERTION(mYUVTexture[0].IsAllocated() &&
                 mYUVTexture[1].IsAllocated() &&
                 mYUVTexture[2].IsAllocated(),
                 "Texture allocation failed!");

    gl()->MakeCurrent();
    SetClamping(gl(), mYUVTexture[0].GetTextureID());
    SetClamping(gl(), mYUVTexture[1].GetTextureID());
    SetClamping(gl(), mYUVTexture[2].GetTextureID());
    return true;
  }
  return false;
}
void
ShadowImageLayerOGL::Swap(const SharedImage& aNewFront,
                          SharedImage* aNewBack)
{
  if (!mDestroyed) {

    if (aNewFront.type() == SharedImage::TSharedImageID) {
      // We are using ImageBridge protocol. The image data will be queried at render
      // time in the parent side.
      uint64_t newID = aNewFront.get_SharedImageID().id();
      if (newID != mImageContainerID) {
        mImageContainerID = newID;
        mImageVersion = 0;
      }
    } else if (aNewFront.type() == SharedImage::TSurfaceDescriptor) {
      SurfaceDescriptor surface = aNewFront.get_SurfaceDescriptor();

      if (surface.type() == SurfaceDescriptor::TSharedTextureDescriptor) {
        SharedTextureDescriptor texture = surface.get_SharedTextureDescriptor();

        SharedTextureHandle newHandle = texture.handle();
        mSize = texture.size();
        mInverted = texture.inverted();

        if (mSharedHandle && newHandle != mSharedHandle)
          gl()->ReleaseSharedHandle(mShareType, mSharedHandle);

        mSharedHandle = newHandle;
        mShareType = texture.shareType();
      } else {
        AutoOpenSurface surf(OPEN_READ_ONLY, surface);
        gfxIntSize size = surf.Size();
        if (mSize != size || !mTexImage ||
            mTexImage->GetContentType() != surf.ContentType()) {
          Init(aNewFront);
        }
        // XXX this is always just ridiculously slow
        nsIntRegion updateRegion(nsIntRect(0, 0, size.width, size.height));
        mTexImage->DirectUpdate(surf.Get(), updateRegion);
      }
    } else {
      const YUVImage& yuv = aNewFront.get_YUVImage();
      UploadSharedYUVToTexture(yuv);
    }
  }

  *aNewBack = aNewFront;
}
示例#5
0
TemporaryRef<TextureHost>
CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
                     ISurfaceAllocator* aDeallocator,
                     TextureFlags aFlags)
{
    RefPtr<TextureHost> result;
    switch (aDesc.type()) {
    case SurfaceDescriptor::TSurfaceDescriptorShmem:
    case SurfaceDescriptor::TSurfaceDescriptorMemory: {
        result = CreateBackendIndependentTextureHost(aDesc,
                 aDeallocator, aFlags);
        break;
    }
    case SurfaceDescriptor::TSharedTextureDescriptor: {
        const SharedTextureDescriptor& desc = aDesc.get_SharedTextureDescriptor();
        result = new SharedTextureHostOGL(aFlags,
                                          desc.shareType(),
                                          desc.handle(),
                                          desc.size(),
                                          desc.inverted());
        break;
    }
    case SurfaceDescriptor::TSurfaceStreamDescriptor: {
        const SurfaceStreamDescriptor& desc = aDesc.get_SurfaceStreamDescriptor();
        result = new StreamTextureHostOGL(aFlags, desc);
        break;
    }
#ifdef XP_MACOSX
    case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
        const SurfaceDescriptorMacIOSurface& desc =
            aDesc.get_SurfaceDescriptorMacIOSurface();
        result = new MacIOSurfaceTextureHostOGL(aFlags, desc);
        break;
    }
#endif
#ifdef MOZ_WIDGET_GONK
    case SurfaceDescriptor::TNewSurfaceDescriptorGralloc: {
        const NewSurfaceDescriptorGralloc& desc =
            aDesc.get_NewSurfaceDescriptorGralloc();
        result = new GrallocTextureHostOGL(aFlags, desc);
        break;
    }
#endif
    default:
        return nullptr;
    }
    return result.forget();
}