void ClientSingleTiledLayerBuffer::PaintThebes(
const nsIntRegion& aNewValidRegion, const nsIntRegion& aPaintRegion,
const nsIntRegion& aDirtyRegion,
LayerManager::DrawPaintedLayerCallback aCallback, void* aCallbackData,
TilePaintFlags aFlags) {
mWasLastPaintProgressive = !!(aFlags & TilePaintFlags::Progressive);
bool asyncPaint = !!(aFlags & TilePaintFlags::Async);
// Compare layer valid region size to current backbuffer size, discard if not
// matching.
gfx::IntSize size = aNewValidRegion.GetBounds().Size();
gfx::IntPoint origin = aNewValidRegion.GetBounds().TopLeft();
nsIntRegion paintRegion = aPaintRegion;
RefPtr<TextureClient> discardedFrontBuffer = nullptr;
RefPtr<TextureClient> discardedFrontBufferOnWhite = nullptr;
nsIntRegion discardedValidRegion;
if (mSize != size || mTilingOrigin != origin) {
discardedFrontBuffer = mTile.mFrontBuffer;
discardedFrontBufferOnWhite = mTile.mFrontBufferOnWhite;
discardedValidRegion = mValidRegion;
TILING_LOG(
"TILING %p: Single-tile valid region changed. Discarding buffers.\n",
&mPaintedLayer);
ResetPaintedAndValidState();
mSize = size;
mTilingOrigin = origin;
paintRegion = aNewValidRegion;
}
SurfaceMode mode;
gfxContentType content = GetContentType(&mode);
mFormat = gfxPlatform::GetPlatform()->OptimalFormatForContent(content);
if (mTile.IsPlaceholderTile()) {
mTile.SetTextureAllocator(this);
}
if (mManager->AsShadowForwarder()->SupportsTextureDirectMapping()) {
AutoTArray<uint64_t, 2> syncTextureSerials;
mTile.GetSyncTextureSerials(mode, syncTextureSerials);
if (syncTextureSerials.Length() > 0) {
mManager->AsShadowForwarder()->SyncTextures(syncTextureSerials);
}
}
// The dirty region relative to the top-left of the tile.
nsIntRegion tileVisibleRegion = aNewValidRegion.MovedBy(-mTilingOrigin);
nsIntRegion tileDirtyRegion = paintRegion.MovedBy(-mTilingOrigin);
Maybe<AcquiredBackBuffer> backBuffer =
mTile.AcquireBackBuffer(mCompositableClient, tileDirtyRegion,
tileVisibleRegion, content, mode, aFlags);
if (!backBuffer) {
return;
}
// Mark the area we need to paint in the back buffer as invalid in the
// front buffer as they will become out of sync.
mTile.mInvalidFront.OrWith(tileDirtyRegion);
// Add backbuffer's invalid region to the dirty region to be painted.
// This will be empty if we were able to copy from the front in to the back.
nsIntRegion tileInvalidRegion = mTile.mInvalidBack;
tileInvalidRegion.AndWith(tileVisibleRegion);
paintRegion.OrWith(tileInvalidRegion.MovedBy(mTilingOrigin));
tileDirtyRegion.OrWith(tileInvalidRegion);
// Mark the region we will be painting and the region we copied from the front
// buffer as needing to be uploaded to the compositor
mTile.mUpdateRect =
tileDirtyRegion.GetBounds().Union(backBuffer->mUpdatedRect);
// If the old frontbuffer was discarded then attempt to copy what we
// can from it to the new backbuffer.
if (discardedFrontBuffer) {
nsIntRegion copyableRegion;
copyableRegion.And(aNewValidRegion, discardedValidRegion);
copyableRegion.SubOut(aDirtyRegion);
OpenMode readMode =
asyncPaint ? OpenMode::OPEN_READ_ASYNC : OpenMode::OPEN_READ;
DualTextureClientAutoLock discardedBuffer(
discardedFrontBuffer, discardedFrontBufferOnWhite, readMode);
if (discardedBuffer.Succeeded()) {
RefPtr<gfx::SourceSurface> discardedSurface = discardedBuffer->Snapshot();
for (auto iter = copyableRegion.RectIter(); !iter.Done(); iter.Next()) {
const gfx::IntRect src =
iter.Get() - discardedValidRegion.GetBounds().TopLeft();
const gfx::IntPoint dest = iter.Get().TopLeft() - mTilingOrigin;
backBuffer->mTarget->CopySurface(discardedSurface, src, dest);
}
TILING_LOG("TILING %p: Region copied from discarded frontbuffer %s\n",
&mPaintedLayer, Stringify(copyableRegion).c_str());
// We don't need to repaint valid content that was just copied.
paintRegion.SubOut(copyableRegion);
copyableRegion.MoveBy(-mTilingOrigin);
tileDirtyRegion.SubOut(copyableRegion);
} else {
gfxWarning() << "[Tiling:Client] Failed to aquire the discarded front "
"buffer's draw target";
}
}
if (mode != SurfaceMode::SURFACE_OPAQUE) {
for (auto iter = tileDirtyRegion.RectIter(); !iter.Done(); iter.Next()) {
const gfx::Rect drawRect(iter.Get().X(), iter.Get().Y(),
iter.Get().Width(), iter.Get().Height());
backBuffer->mTarget->ClearRect(drawRect);
}
}
// Paint into the target
{
RefPtr<gfxContext> ctx = gfxContext::CreateOrNull(backBuffer->mTarget);
if (!ctx) {
gfxDevCrash(gfx::LogReason::InvalidContext)
<< "SingleTiledContextClient context problem "
<< gfx::hexa(backBuffer->mTarget);
return;
}
ctx->SetMatrix(
ctx->CurrentMatrix().PreTranslate(-mTilingOrigin.x, -mTilingOrigin.y));
aCallback(&mPaintedLayer, ctx, paintRegion, paintRegion,
DrawRegionClip::DRAW, nsIntRegion(), aCallbackData);
}
if (asyncPaint) {
if (!backBuffer->mCapture->IsEmpty()) {
UniquePtr<PaintTask> task(new PaintTask());
task->mCapture = backBuffer->mCapture;
task->mTarget = backBuffer->mBackBuffer;
task->mClients = std::move(backBuffer->mTextureClients);
if (discardedFrontBuffer) {
task->mClients.AppendElement(discardedFrontBuffer);
}
if (discardedFrontBufferOnWhite) {
task->mClients.AppendElement(discardedFrontBufferOnWhite);
}
// The target is an alias for the capture, and the paint thread expects
// to be the only one with a reference to the capture
backBuffer->mTarget = nullptr;
backBuffer->mCapture = nullptr;
PaintThread::Get()->QueuePaintTask(std::move(task));
mManager->SetQueuedAsyncPaints();
}
} else {
MOZ_ASSERT(backBuffer->mTarget == backBuffer->mBackBuffer);
MOZ_ASSERT(!backBuffer->mCapture);
}
// The new buffer is now validated, remove the dirty region from it.
mTile.mInvalidBack.SubOut(tileDirtyRegion);
backBuffer = Nothing();
mTile.Flip();
UnlockTile(mTile);
mValidRegion = aNewValidRegion;
mLastPaintSurfaceMode = mode;
mLastPaintContentType = content;
}
void
ClientSingleTiledLayerBuffer::PaintThebes(const nsIntRegion& aNewValidRegion,
const nsIntRegion& aPaintRegion,
const nsIntRegion& aDirtyRegion,
LayerManager::DrawPaintedLayerCallback aCallback,
void* aCallbackData)
{
// Compare layer visible region size to current backbuffer size, discard if not matching.
IntSize size = mPaintedLayer->GetVisibleRegion().GetBounds().Size();
IntPoint origin = mPaintedLayer->GetVisibleRegion().GetBounds().TopLeft();
nsIntRegion paintRegion = aPaintRegion;
if (mSize != size ||
mTilingOrigin != origin) {
ResetPaintedAndValidState();
mSize = size;
mTilingOrigin = origin;
paintRegion = aNewValidRegion;
}
SurfaceMode mode;
gfxContentType content = GetContentType(&mode);
mFormat = gfxPlatform::GetPlatform()->OptimalFormatForContent(content);
if (mTile.IsPlaceholderTile()) {
mTile.SetLayerManager(mManager);
mTile.SetTextureAllocator(this);
}
mTile.SetCompositableClient(mCompositableClient);
// The dirty region relative to the top-left of the tile.
nsIntRegion tileDirtyRegion = paintRegion.MovedBy(-mTilingOrigin);
nsIntRegion extraPainted;
RefPtr<TextureClient> backBufferOnWhite;
RefPtr<TextureClient> backBuffer =
mTile.GetBackBuffer(tileDirtyRegion,
content, mode,
extraPainted,
&backBufferOnWhite);
mTile.mUpdateRect = tileDirtyRegion.GetBounds().Union(extraPainted.GetBounds());
extraPainted.MoveBy(mTilingOrigin);
extraPainted.And(extraPainted, aNewValidRegion);
mPaintedRegion.OrWith(paintRegion);
mPaintedRegion.OrWith(extraPainted);
if (!backBuffer) {
return;
}
RefPtr<DrawTarget> dt = backBuffer->BorrowDrawTarget();
RefPtr<DrawTarget> dtOnWhite;
if (backBufferOnWhite) {
dtOnWhite = backBufferOnWhite->BorrowDrawTarget();
}
if (mode != SurfaceMode::SURFACE_OPAQUE) {
nsIntRegionRectIterator iter(tileDirtyRegion);
const IntRect *iterRect;
while ((iterRect = iter.Next())) {
if (dtOnWhite) {
dt->FillRect(Rect(iterRect->x, iterRect->y, iterRect->width, iterRect->height),
ColorPattern(Color(0.0, 0.0, 0.0, 1.0)));
dtOnWhite->FillRect(Rect(iterRect->x, iterRect->y, iterRect->width, iterRect->height),
ColorPattern(Color(1.0, 1.0, 1.0, 1.0)));
} else {
dt->ClearRect(Rect(iterRect->x, iterRect->y, iterRect->width, iterRect->height));
}
}
}
if (dtOnWhite) {
dt = Factory::CreateDualDrawTarget(dt, dtOnWhite);
dtOnWhite = nullptr;
}
{
nsRefPtr<gfxContext> ctx = new gfxContext(dt);
ctx->SetMatrix(ctx->CurrentMatrix().Translate(-mTilingOrigin.x, -mTilingOrigin.y));
aCallback(mPaintedLayer, ctx, paintRegion, &paintRegion, DrawRegionClip::DRAW, nsIntRegion(), aCallbackData);
}
// Mark the area we just drew into the back buffer as invalid in the front buffer as they're
// now out of sync.
mTile.mInvalidFront.OrWith(tileDirtyRegion);
// The new buffer is now validated, remove the dirty region from it.
mTile.mInvalidBack.SubOut(tileDirtyRegion);
dt = nullptr;
mTile.Flip();
UnlockTile(mTile);
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.
mTile.DiscardBackBuffer();
}
mValidRegion = aNewValidRegion;
mLastPaintSurfaceMode = mode;
mLastPaintContentType = content;
}
void
ClientSingleTiledLayerBuffer::PaintThebes(const nsIntRegion& aNewValidRegion,
const nsIntRegion& aPaintRegion,
const nsIntRegion& aDirtyRegion,
LayerManager::DrawPaintedLayerCallback aCallback,
void* aCallbackData,
bool aIsProgressive)
{
mWasLastPaintProgressive = aIsProgressive;
// Compare layer valid region size to current backbuffer size, discard if not matching.
gfx::IntSize size = aNewValidRegion.GetBounds().Size();
gfx::IntPoint origin = aNewValidRegion.GetBounds().TopLeft();
nsIntRegion paintRegion = aPaintRegion;
RefPtr<TextureClient> discardedFrontBuffer = nullptr;
RefPtr<TextureClient> discardedFrontBufferOnWhite = nullptr;
nsIntRegion discardedValidRegion;
if (mSize != size ||
mTilingOrigin != origin) {
discardedFrontBuffer = mTile.mFrontBuffer;
discardedFrontBufferOnWhite = mTile.mFrontBufferOnWhite;
discardedValidRegion = mValidRegion;
TILING_LOG("TILING %p: Single-tile valid region changed. Discarding buffers.\n", &mPaintedLayer)
;
ResetPaintedAndValidState();
mSize = size;
mTilingOrigin = origin;
paintRegion = aNewValidRegion;
}
SurfaceMode mode;
gfxContentType content = GetContentType(&mode);
mFormat = gfxPlatform::GetPlatform()->OptimalFormatForContent(content);
if (mTile.IsPlaceholderTile()) {
mTile.SetTextureAllocator(this);
}
// The dirty region relative to the top-left of the tile.
nsIntRegion tileDirtyRegion = paintRegion.MovedBy(-mTilingOrigin);
nsIntRegion extraPainted;
RefPtr<TextureClient> backBufferOnWhite;
RefPtr<TextureClient> backBuffer =
mTile.GetBackBuffer(mCompositableClient,
tileDirtyRegion,
content, mode,
extraPainted,
&backBufferOnWhite);
mTile.mUpdateRect = tileDirtyRegion.GetBounds().Union(extraPainted.GetBounds());
extraPainted.MoveBy(mTilingOrigin);
extraPainted.And(extraPainted, aNewValidRegion);
mPaintedRegion.OrWith(paintRegion);
mPaintedRegion.OrWith(extraPainted);
if (!backBuffer) {
return;
}
RefPtr<gfx::DrawTarget> dt = backBuffer->BorrowDrawTarget();
RefPtr<gfx::DrawTarget> dtOnWhite;
if (backBufferOnWhite) {
dtOnWhite = backBufferOnWhite->BorrowDrawTarget();
}
if (mode != SurfaceMode::SURFACE_OPAQUE) {
for (auto iter = tileDirtyRegion.RectIter(); !iter.Done(); iter.Next()) {
const gfx::IntRect& rect = iter.Get();
if (dtOnWhite) {
dt->FillRect(gfx::Rect(rect.x, rect.y, rect.width, rect.height),
gfx::ColorPattern(gfx::Color(0.0, 0.0, 0.0, 1.0)));
dtOnWhite->FillRect(gfx::Rect(rect.x, rect.y, rect.width, rect.height),
gfx::ColorPattern(gfx::Color(1.0, 1.0, 1.0, 1.0)));
} else {
dt->ClearRect(gfx::Rect(rect.x, rect.y, rect.width, rect.height));
}
}
}
// If the old frontbuffer was discarded then attempt to copy what we
// can from it to the new backbuffer.
if (discardedFrontBuffer) {
nsIntRegion copyableRegion;
copyableRegion.And(aNewValidRegion, discardedValidRegion);
copyableRegion.SubOut(aDirtyRegion);
if (!copyableRegion.IsEmpty()) {
TextureClientAutoLock frontLock(discardedFrontBuffer,
OpenMode::OPEN_READ);
if (frontLock.Succeeded()) {
for (auto iter = copyableRegion.RectIter(); !iter.Done(); iter.Next()) {
const gfx::IntRect rect = iter.Get() - discardedValidRegion.GetBounds().TopLeft();
const gfx::IntPoint dest = iter.Get().TopLeft() - mTilingOrigin;
discardedFrontBuffer->CopyToTextureClient(backBuffer, &rect, &dest);
}
}
if (discardedFrontBufferOnWhite && backBufferOnWhite) {
TextureClientAutoLock frontOnWhiteLock(discardedFrontBufferOnWhite,
OpenMode::OPEN_READ);
if (frontOnWhiteLock.Succeeded()) {
for (auto iter = copyableRegion.RectIter(); !iter.Done(); iter.Next()) {
const gfx::IntRect rect = iter.Get() - discardedValidRegion.GetBounds().TopLeft();
const gfx::IntPoint dest = iter.Get().TopLeft() - mTilingOrigin;
discardedFrontBufferOnWhite->CopyToTextureClient(backBufferOnWhite,
&rect, &dest);
}
}
}
TILING_LOG("TILING %p: Region copied from discarded frontbuffer %s\n", &mPaintedLayer, Stringify(copyableRegion).c_str());
// We don't need to repaint valid content that was just copied.
paintRegion.SubOut(copyableRegion);
}
}
if (dtOnWhite) {
dt = gfx::Factory::CreateDualDrawTarget(dt, dtOnWhite);
dtOnWhite = nullptr;
}
{
RefPtr<gfxContext> ctx = gfxContext::CreateOrNull(dt);
if (!ctx) {
gfxDevCrash(gfx::LogReason::InvalidContext) << "SingleTiledContextClient context problem " << gfx::hexa(dt);
return;
}
ctx->SetMatrix(ctx->CurrentMatrix().Translate(-mTilingOrigin.x, -mTilingOrigin.y));
aCallback(&mPaintedLayer, ctx, paintRegion, paintRegion, DrawRegionClip::DRAW, nsIntRegion(), aCallbackData);
}
// Mark the area we just drew into the back buffer as invalid in the front buffer as they're
// now out of sync.
mTile.mInvalidFront.OrWith(tileDirtyRegion);
// The new buffer is now validated, remove the dirty region from it.
mTile.mInvalidBack.SubOut(tileDirtyRegion);
dt = nullptr;
mTile.Flip();
UnlockTile(mTile);
if (backBuffer->HasIntermediateBuffer()) {
// If our new buffer has an internal buffer, we don't want to keep another
// TextureClient around unnecessarily, so discard the back-buffer.
mTile.DiscardBackBuffer();
}
mValidRegion = aNewValidRegion;
mLastPaintSurfaceMode = mode;
mLastPaintContentType = content;
}
