TemporaryRef<TextureClient>
CompositableClient::CreateTextureClientForDrawing(SurfaceFormat aFormat,
TextureFlags aTextureFlags)
{
RefPtr<TextureClient> result;
#ifdef XP_WIN
LayersBackend parentBackend = GetForwarder()->GetCompositorBackendType();
if (parentBackend == LAYERS_D3D11 && gfxWindowsPlatform::GetPlatform()->GetD2DDevice() &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK)) {
result = new TextureClientD3D11(aFormat, aTextureFlags);
}
if (parentBackend == LAYERS_D3D9 &&
!GetForwarder()->ForwardsToDifferentProcess() &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK)) {
// non-DIB textures don't work with alpha, see notes in TextureD3D9.
if (ContentForFormat(aFormat) != GFX_CONTENT_COLOR) {
result = new DIBTextureClientD3D9(aFormat, aTextureFlags);
} else {
result = new CairoTextureClientD3D9(aFormat, aTextureFlags);
}
}
#endif
// Can't do any better than a buffer texture client.
if (!result) {
result = CreateBufferTextureClient(aFormat, aTextureFlags);
}
MOZ_ASSERT(!result || result->AsTextureClientDrawTarget(),
"Not a TextureClientDrawTarget?");
return result;
}
TemporaryRef<TextureClient>
SimpleTextureClientPool::GetTextureClient(bool aAutoRecycle)
{
// Try to fetch a client from the pool
RefPtr<TextureClient> textureClient;
if (mAvailableTextureClients.size()) {
textureClient = mAvailableTextureClients.top();
textureClient->WaitReleaseFence();
mAvailableTextureClients.pop();
RECYCLE_LOG("%s Skip allocate (%i left), returning %p\n", (mFormat == SurfaceFormat::B8G8R8A8?"poolA":"poolX"), mAvailableTextureClients.size(), textureClient.get());
} else {
// No unused clients in the pool, create one
if (gfxPrefs::ForceShmemTiles()) {
textureClient = TextureClient::CreateBufferTextureClient(mSurfaceAllocator,
mFormat, TEXTURE_IMMEDIATE_UPLOAD | TEXTURE_RECYCLE, gfx::BackendType::NONE);
} else {
textureClient = TextureClient::CreateTextureClientForDrawing(mSurfaceAllocator,
mFormat, TEXTURE_FLAGS_DEFAULT | TEXTURE_RECYCLE, gfx::BackendType::NONE, mSize);
}
if (!textureClient->AsTextureClientDrawTarget()->AllocateForSurface(mSize, ALLOC_DEFAULT)) {
NS_WARNING("TextureClient::AllocateForSurface failed!");
}
RECYCLE_LOG("%s Must allocate (0 left), returning %p\n", (mFormat == SurfaceFormat::B8G8R8A8?"poolA":"poolX"), textureClient.get());
}
if (aAutoRecycle) {
mOutstandingTextureClients.push_back(textureClient);
textureClient->SetRecycleCallback(SimpleTextureClientPool::WaitForCompositorRecycleCallback, this);
}
return textureClient;
}
SimpleTiledLayerTile
SimpleTiledLayerBuffer::ValidateTile(SimpleTiledLayerTile aTile,
const nsIntPoint& aTileOrigin,
const nsIntRegion& aDirtyRegion)
{
PROFILER_LABEL("SimpleTiledLayerBuffer", "ValidateTile");
static gfx::IntSize kTileSize(TILEDLAYERBUFFER_TILE_SIZE, TILEDLAYERBUFFER_TILE_SIZE);
gfx::SurfaceFormat tileFormat = gfxPlatform::GetPlatform()->Optimal2DFormatForContent(GetContentType());
// if this is true, we're using a separate buffer to do our drawing first
bool doBufferedDrawing = true;
bool fullPaint = false;
RefPtr<TextureClient> textureClient = mManager->GetSimpleTileTexturePool(tileFormat)->GetTextureClientWithAutoRecycle();
if (!textureClient) {
NS_WARNING("TextureClient allocation failed");
return SimpleTiledLayerTile();
}
if (!textureClient->Lock(OPEN_WRITE)) {
NS_WARNING("TextureClient lock failed");
return SimpleTiledLayerTile();
}
TextureClientSurface *textureClientSurf = textureClient->AsTextureClientSurface();
if (!textureClientSurf) {
doBufferedDrawing = false;
}
RefPtr<DrawTarget> drawTarget;
nsRefPtr<gfxImageSurface> clientAsImageSurface;
unsigned char *bufferData = nullptr;
// these are set/updated differently based on doBufferedDrawing
nsIntRect drawBounds;
nsIntRegion drawRegion;
nsIntRegion invalidateRegion;
if (doBufferedDrawing) {
// try to obtain the TextureClient as an ImageSurface, so that we can
// access the pixels directly
nsRefPtr<gfxASurface> asurf = textureClientSurf->GetAsSurface();
clientAsImageSurface = asurf ? asurf->GetAsImageSurface() : nullptr;
if (clientAsImageSurface) {
int32_t bufferStride = clientAsImageSurface->Stride();
if (!aTile.mCachedBuffer) {
aTile.mCachedBuffer = SharedBuffer::Create(clientAsImageSurface->GetDataSize());
fullPaint = true;
}
bufferData = (unsigned char*) aTile.mCachedBuffer->Data();
drawTarget = gfxPlatform::GetPlatform()->CreateDrawTargetForData(bufferData,
kTileSize,
bufferStride,
tileFormat);
if (fullPaint) {
drawBounds = nsIntRect(aTileOrigin.x, aTileOrigin.y, GetScaledTileLength(), GetScaledTileLength());
drawRegion = nsIntRegion(drawBounds);
} else {
drawBounds = aDirtyRegion.GetBounds();
drawRegion = nsIntRegion(drawBounds);
if (GetContentType() == gfxContentType::COLOR_ALPHA)
drawTarget->ClearRect(Rect(drawBounds.x - aTileOrigin.x, drawBounds.y - aTileOrigin.y,
drawBounds.width, drawBounds.height));
}
} else {
// failed to obtain the client as an ImageSurface
doBufferedDrawing = false;
}
}
// this might get set above if we couldn't extract out a buffer
if (!doBufferedDrawing) {
drawTarget = textureClient->AsTextureClientDrawTarget()->GetAsDrawTarget();
fullPaint = true;
drawBounds = nsIntRect(aTileOrigin.x, aTileOrigin.y, GetScaledTileLength(), GetScaledTileLength());
drawRegion = nsIntRegion(drawBounds);
if (GetContentType() == gfxContentType::COLOR_ALPHA)
drawTarget->ClearRect(Rect(0, 0, drawBounds.width, drawBounds.height));
}
// do the drawing
RefPtr<gfxContext> ctxt = new gfxContext(drawTarget);
ctxt->Scale(mResolution, mResolution);
ctxt->Translate(gfxPoint(-aTileOrigin.x, -aTileOrigin.y));
mCallback(mThebesLayer, ctxt,
drawRegion,
fullPaint ? DrawRegionClip::CLIP_NONE : DrawRegionClip::DRAW_SNAPPED, // XXX DRAW or DRAW_SNAPPED?
invalidateRegion,
mCallbackData);
ctxt = nullptr;
drawTarget = nullptr;
if (doBufferedDrawing) {
memcpy(clientAsImageSurface->Data(), bufferData, clientAsImageSurface->GetDataSize());
clientAsImageSurface = nullptr;
bufferData = nullptr;
}
textureClient->Unlock();
if (!mCompositableClient->AddTextureClient(textureClient)) {
NS_WARNING("Failed to add tile TextureClient [simple]");
return SimpleTiledLayerTile();
}
// aTile.mCachedBuffer was set earlier
aTile.mTileBuffer = textureClient;
aTile.mManager = mManager;
aTile.mLastUpdate = TimeStamp::Now();
return aTile;
}
TileClient
ClientTiledLayerBuffer::ValidateTile(TileClient aTile,
const nsIntPoint& aTileOrigin,
const nsIntRegion& aDirtyRegion)
{
PROFILER_LABEL("ClientTiledLayerBuffer", "ValidateTile");
#ifdef GFX_TILEDLAYER_PREF_WARNINGS
if (aDirtyRegion.IsComplex()) {
printf_stderr("Complex region\n");
}
#endif
if (aTile.IsPlaceholderTile()) {
aTile.SetLayerManager(mManager);
}
// Discard our front and backbuffers if our contents changed. In this case
// the calling code will already have taken care of invalidating the entire
// layer.
if (HasFormatChanged()) {
aTile.DiscardBackBuffer();
aTile.DiscardFrontBuffer();
}
bool createdTextureClient = false;
nsIntRegion offsetDirtyRegion = aDirtyRegion.MovedBy(-aTileOrigin);
bool usingSinglePaintBuffer = !!mSinglePaintDrawTarget;
RefPtr<TextureClient> backBuffer =
aTile.GetBackBuffer(offsetDirtyRegion,
mManager->GetTexturePool(gfxPlatform::GetPlatform()->Optimal2DFormatForContent(GetContentType())),
&createdTextureClient, !usingSinglePaintBuffer);
if (!backBuffer->Lock(OPEN_READ_WRITE)) {
NS_WARNING("Failed to lock tile TextureClient for updating.");
aTile.DiscardFrontBuffer();
return aTile;
}
// We must not keep a reference to the DrawTarget after it has been unlocked,
// make sure these are null'd before unlocking as destruction of the context
// may cause the target to be flushed.
RefPtr<DrawTarget> drawTarget = backBuffer->AsTextureClientDrawTarget()->GetAsDrawTarget();
drawTarget->SetTransform(Matrix());
RefPtr<gfxContext> ctxt = new gfxContext(drawTarget);
if (usingSinglePaintBuffer) {
// XXX Perhaps we should just copy the bounding rectangle here?
RefPtr<gfx::SourceSurface> source = mSinglePaintDrawTarget->Snapshot();
nsIntRegionRectIterator it(aDirtyRegion);
for (const nsIntRect* dirtyRect = it.Next(); dirtyRect != nullptr; dirtyRect = it.Next()) {
#ifdef GFX_TILEDLAYER_PREF_WARNINGS
printf_stderr(" break into subdirtyRect %i, %i, %i, %i\n",
dirtyRect->x, dirtyRect->y, dirtyRect->width, dirtyRect->height);
#endif
gfx::Rect drawRect(dirtyRect->x - aTileOrigin.x,
dirtyRect->y - aTileOrigin.y,
dirtyRect->width,
dirtyRect->height);
drawRect.Scale(mResolution);
gfx::IntRect copyRect(NS_roundf((dirtyRect->x - mSinglePaintBufferOffset.x) * mResolution),
NS_roundf((dirtyRect->y - mSinglePaintBufferOffset.y) * mResolution),
drawRect.width,
drawRect.height);
gfx::IntPoint copyTarget(NS_roundf(drawRect.x), NS_roundf(drawRect.y));
drawTarget->CopySurface(source, copyRect, copyTarget);
// Mark the newly updated area as invalid in the front buffer
aTile.mInvalidFront.Or(aTile.mInvalidFront, nsIntRect(copyTarget.x, copyTarget.y, copyRect.width, copyRect.height));
}
// The new buffer is now validated, remove the dirty region from it.
aTile.mInvalidBack.Sub(nsIntRect(0, 0, TILEDLAYERBUFFER_TILE_SIZE, TILEDLAYERBUFFER_TILE_SIZE),
offsetDirtyRegion);
} else {
// Area of the full tile...
nsIntRegion tileRegion = nsIntRect(aTileOrigin.x, aTileOrigin.y, TILEDLAYERBUFFER_TILE_SIZE, TILEDLAYERBUFFER_TILE_SIZE);
// Intersect this area with the portion that's dirty.
tileRegion = tileRegion.Intersect(aDirtyRegion);
// Move invalid areas into layer space.
aTile.mInvalidFront.MoveBy(aTileOrigin);
aTile.mInvalidBack.MoveBy(aTileOrigin);
// Add the area that's going to be redrawn to the invalid area of the
// front region.
aTile.mInvalidFront.Or(aTile.mInvalidFront, tileRegion);
// Add invalid areas of the backbuffer to the area to redraw.
tileRegion.Or(tileRegion, aTile.mInvalidBack);
// Move invalid areas back into tile space.
aTile.mInvalidFront.MoveBy(-aTileOrigin);
// This will be validated now.
aTile.mInvalidBack.SetEmpty();
nsIntRect bounds = tileRegion.GetBounds();
bounds.ScaleRoundOut(mResolution, mResolution);
bounds.MoveBy(-aTileOrigin);
if (GetContentType() != gfxContentType::COLOR) {
drawTarget->ClearRect(Rect(bounds.x, bounds.y, bounds.width, bounds.height));
}
ctxt->NewPath();
ctxt->Clip(gfxRect(bounds.x, bounds.y, bounds.width, bounds.height));
ctxt->Scale(mResolution, mResolution);
ctxt->Translate(gfxPoint(-aTileOrigin.x, -aTileOrigin.y));
mCallback(mThebesLayer, ctxt,
tileRegion.GetBounds(),
DrawRegionClip::CLIP_NONE,
nsIntRegion(), mCallbackData);
}
#ifdef GFX_TILEDLAYER_DEBUG_OVERLAY
DrawDebugOverlay(drawTarget, aTileOrigin.x * mResolution,
aTileOrigin.y * mResolution, GetTileLength(), GetTileLength());
#endif
ctxt = nullptr;
drawTarget = nullptr;
backBuffer->Unlock();
aTile.Flip();
if (createdTextureClient) {
if (!mCompositableClient->AddTextureClient(backBuffer)) {
NS_WARNING("Failed to add tile TextureClient.");
aTile.DiscardFrontBuffer();
aTile.DiscardBackBuffer();
return aTile;
}
}
// Note, we don't call UpdatedTexture. The Updated function is called manually
// by the TiledContentHost before composition.
if (backBuffer->HasInternalBuffer()) {
// If our new buffer has an internal buffer, we don't want to keep another
// TextureClient around unnecessarily, so discard the back-buffer.
aTile.DiscardBackBuffer();
}
return aTile;
}