mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
Bug 795940 - Part 0.5 - Move ScaleRequest and the runners into the CPP file so consumers don't have to care about them. BY THE DEMAND OF AND r=jrmuizel
--HG-- extra : rebase_source : eeb96eb9680017d2be9ee99ac0c760249a74bcbe
This commit is contained in:
Joe Drew
parent
3f8da7e7b0
commit
5dcf25c35e
@ -140,6 +140,195 @@ DiscardingEnabled()
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return enabled;
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}
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struct ScaleRequest
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{
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ScaleRequest(RasterImage* aImage, const gfxSize& aScale, imgFrame* aSrcFrame)
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: scale(aScale)
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, dstLocked(false)
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, done(false)
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, stopped(false)
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{
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MOZ_ASSERT(!aSrcFrame->GetIsPaletted());
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MOZ_ASSERT(aScale.width > 0 && aScale.height > 0);
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weakImage = aImage->asWeakPtr();
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srcRect = aSrcFrame->GetRect();
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dstSize.width = NSToIntRoundUp(srcRect.width * scale.width);
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dstSize.height = NSToIntRoundUp(srcRect.height * scale.height);
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}
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// This can only be called on the main thread.
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bool GetSurfaces(imgFrame* srcFrame)
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsRefPtr<RasterImage> image = weakImage.get();
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if (!image) {
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return false;
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}
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bool success = false;
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if (!dstLocked) {
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bool srcLocked = NS_SUCCEEDED(srcFrame->LockImageData());
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dstLocked = NS_SUCCEEDED(dstFrame->LockImageData());
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nsRefPtr<gfxASurface> dstASurf;
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nsRefPtr<gfxASurface> srcASurf;
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success = srcLocked && NS_SUCCEEDED(srcFrame->GetSurface(getter_AddRefs(srcASurf)));
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success = success && dstLocked && NS_SUCCEEDED(dstFrame->GetSurface(getter_AddRefs(dstASurf)));
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success = success && srcLocked && dstLocked && srcASurf && dstASurf;
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if (success) {
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srcSurface = srcASurf->GetAsImageSurface();
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dstSurface = dstASurf->GetAsImageSurface();
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srcData = srcSurface->Data();
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dstData = dstSurface->Data();
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srcStride = srcSurface->Stride();
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dstStride = dstSurface->Stride();
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srcFormat = mozilla::gfx::ImageFormatToSurfaceFormat(srcFrame->GetFormat());
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}
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// We have references to the Thebes surfaces, so we don't need to leave
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// the source frame (that we don't own) locked. We'll unlock the
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// destination frame in ReleaseSurfaces(), below.
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if (srcLocked) {
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success = NS_SUCCEEDED(srcFrame->UnlockImageData()) && success;
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}
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success = success && srcSurface && dstSurface;
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}
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return success;
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}
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// This can only be called on the main thread.
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bool ReleaseSurfaces()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsRefPtr<RasterImage> image = weakImage.get();
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if (!image) {
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return false;
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}
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bool success = false;
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if (dstLocked) {
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success = NS_SUCCEEDED(dstFrame->UnlockImageData());
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dstLocked = false;
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srcData = nullptr;
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dstData = nullptr;
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srcSurface = nullptr;
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dstSurface = nullptr;
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}
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return success;
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}
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// These values may only be touched on the main thread.
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WeakPtr<RasterImage> weakImage;
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nsAutoPtr<imgFrame> dstFrame;
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nsRefPtr<gfxImageSurface> srcSurface;
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nsRefPtr<gfxImageSurface> dstSurface;
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// Below are the values that may be touched on the scaling thread.
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gfxSize scale;
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uint8_t* srcData;
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uint8_t* dstData;
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nsIntRect srcRect;
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gfxIntSize dstSize;
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uint32_t srcStride;
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uint32_t dstStride;
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mozilla::gfx::SurfaceFormat srcFormat;
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bool dstLocked;
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bool done;
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// This boolean is accessed from both threads simultaneously without locking.
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// That's safe because stopping a ScaleRequest is strictly an optimization;
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// if we're not cache-coherent, at worst we'll do extra work.
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bool stopped;
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};
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class DrawRunner : public nsRunnable
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{
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public:
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DrawRunner(ScaleRequest* request)
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: mScaleRequest(request)
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{}
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NS_IMETHOD Run()
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{
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// ScaleWorker is finished with this request, so we can unlock the data now.
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mScaleRequest->ReleaseSurfaces();
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nsRefPtr<RasterImage> image = mScaleRequest->weakImage.get();
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if (image) {
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RasterImage::ScaleStatus status;
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if (mScaleRequest->done) {
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status = RasterImage::SCALE_DONE;
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} else {
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status = RasterImage::SCALE_INVALID;
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}
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image->ScalingDone(mScaleRequest, status);
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}
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return NS_OK;
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}
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private: /* members */
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nsAutoPtr<ScaleRequest> mScaleRequest;
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};
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class ScaleRunner : public nsRunnable
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{
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public:
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ScaleRunner(RasterImage* aImage, const gfxSize& aScale, imgFrame* aSrcFrame)
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{
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nsAutoPtr<ScaleRequest> request(new ScaleRequest(aImage, aScale, aSrcFrame));
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// Destination is unconditionally ARGB32 because that's what the scaler
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// outputs.
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request->dstFrame = new imgFrame();
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nsresult rv = request->dstFrame->Init(0, 0, request->dstSize.width, request->dstSize.height,
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gfxASurface::ImageFormatARGB32);
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if (NS_FAILED(rv) || !request->GetSurfaces(aSrcFrame)) {
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return;
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}
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aImage->ScalingStart(request);
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mScaleRequest = request;
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}
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NS_IMETHOD Run()
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{
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// An alias just for ease of typing
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ScaleRequest* request = mScaleRequest;
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if (!request->stopped) {
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request->done = mozilla::gfx::Scale(request->srcData, request->srcRect.width, request->srcRect.height, request->srcStride,
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request->dstData, request->dstSize.width, request->dstSize.height, request->dstStride,
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request->srcFormat);
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} else {
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request->done = false;
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}
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// OK, we've got a new scaled image. Let's get the main thread to unlock and
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// redraw it.
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nsRefPtr<DrawRunner> runner = new DrawRunner(mScaleRequest.forget());
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NS_DispatchToMainThread(runner, NS_DISPATCH_NORMAL);
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return NS_OK;
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}
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bool IsOK() const { return !!mScaleRequest; }
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private:
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nsAutoPtr<ScaleRequest> mScaleRequest;
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};
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namespace mozilla {
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namespace image {
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@ -2618,83 +2807,6 @@ RasterImage::SyncDecode()
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return mError ? NS_ERROR_FAILURE : NS_OK;
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}
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nsresult
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RasterImage::ScaleRunner::Run()
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{
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// An alias just for ease of typing
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ScaleRequest* request = mScaleRequest;
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if (!request->stopped) {
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request->done = mozilla::gfx::Scale(request->srcData, request->srcRect.width, request->srcRect.height, request->srcStride,
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request->dstData, request->dstSize.width, request->dstSize.height, request->dstStride,
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request->srcFormat);
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} else {
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request->done = false;
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}
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// OK, we've got a new scaled image. Let's get the main thread to unlock and
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// redraw it.
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DrawRunner* runner = new DrawRunner(mScaleRequest.forget());
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NS_DispatchToMainThread(runner, NS_DISPATCH_NORMAL);
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return NS_OK;
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}
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RasterImage::ScaleRunner::ScaleRunner(RasterImage* aImage, const gfxSize& aScale, imgFrame* aSrcFrame)
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{
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nsAutoPtr<ScaleRequest> request(new ScaleRequest(aImage, aScale, aSrcFrame));
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// Destination is unconditionally ARGB32 because that's what the scaler
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// outputs.
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request->dstFrame = new imgFrame();
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nsresult rv = request->dstFrame->Init(0, 0, request->dstSize.width, request->dstSize.height,
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gfxASurface::ImageFormatARGB32);
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if (NS_FAILED(rv) || !request->GetSurfaces(aSrcFrame)) {
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return;
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}
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aImage->ScalingStart(request);
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mScaleRequest = request;
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}
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RasterImage::DrawRunner::DrawRunner(ScaleRequest* request)
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: mScaleRequest(request)
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{}
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nsresult
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RasterImage::DrawRunner::Run()
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{
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// ScaleWorker is finished with this request, so we can unlock the data now.
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mScaleRequest->ReleaseSurfaces();
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nsRefPtr<RasterImage> image = mScaleRequest->weakImage.get();
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// Only set the scale result if the request finished successfully.
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if (mScaleRequest->done && image) {
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nsCOMPtr<imgIContainerObserver> observer(do_QueryReferent(image->mObserver));
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if (observer) {
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imgFrame *scaledFrame = mScaleRequest->dstFrame.get();
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scaledFrame->ImageUpdated(scaledFrame->GetRect());
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observer->FrameChanged(&mScaleRequest->srcRect);
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}
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}
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if (image) {
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ScaleStatus status;
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if (mScaleRequest->done) {
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status = SCALE_DONE;
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} else {
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status = SCALE_INVALID;
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}
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image->ScalingDone(mScaleRequest, status);
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}
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return NS_OK;
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}
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static inline bool
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IsDownscale(const gfxSize& scale)
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{
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@ -2741,6 +2853,14 @@ RasterImage::ScalingDone(ScaleRequest* request, ScaleStatus status)
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if (status == SCALE_DONE) {
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MOZ_ASSERT(request->done);
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nsCOMPtr<imgIContainerObserver> observer(do_QueryReferent(mObserver));
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if (observer) {
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imgFrame *scaledFrame = request->dstFrame.get();
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scaledFrame->ImageUpdated(scaledFrame->GetRect());
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observer->FrameChanged(&request->srcRect);
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}
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mScaleResult.status = SCALE_DONE;
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mScaleResult.frame = request->dstFrame;
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mScaleResult.scale = request->scale;
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@ -125,6 +125,8 @@ class nsIInputStream;
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* in Init().
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*/
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class ScaleRequest;
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namespace mozilla {
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namespace layers {
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class LayerManager;
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@ -314,6 +316,23 @@ public:
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// Called from module startup. Sets up RasterImage to be used.
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static void Initialize();
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enum ScaleStatus
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{
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SCALE_INVALID,
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SCALE_PENDING,
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SCALE_DONE
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};
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// Call this with a new ScaleRequest to mark this RasterImage's scale result
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// as waiting for the results of this request. You call to ScalingDone before
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// request is destroyed!
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void ScalingStart(ScaleRequest* request);
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// Call this with a finished ScaleRequest to set this RasterImage's scale
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// result. Give it a ScaleStatus of SCALE_DONE if everything succeeded, and
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// SCALE_INVALID otherwise.
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void ScalingDone(ScaleRequest* request, ScaleStatus status);
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private:
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struct Anim
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{
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@ -473,156 +492,6 @@ private:
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bool mPendingInEventLoop;
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};
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struct ScaleRequest
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{
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ScaleRequest(RasterImage* aImage, const gfxSize& aScale, imgFrame* aSrcFrame)
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: scale(aScale)
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, dstLocked(false)
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, done(false)
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, stopped(false)
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{
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MOZ_ASSERT(!aSrcFrame->GetIsPaletted());
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MOZ_ASSERT(aScale.width > 0 && aScale.height > 0);
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weakImage = aImage->asWeakPtr();
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srcRect = aSrcFrame->GetRect();
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dstSize.width = NSToIntRoundUp(srcRect.width * scale.width);
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dstSize.height = NSToIntRoundUp(srcRect.height * scale.height);
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}
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// This can only be called on the main thread.
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bool GetSurfaces(imgFrame* srcFrame)
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsRefPtr<RasterImage> image = weakImage.get();
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if (!image) {
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return false;
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}
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bool success = false;
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if (!dstLocked) {
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bool srcLocked = NS_SUCCEEDED(srcFrame->LockImageData());
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dstLocked = NS_SUCCEEDED(dstFrame->LockImageData());
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nsRefPtr<gfxASurface> dstASurf;
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nsRefPtr<gfxASurface> srcASurf;
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success = srcLocked && NS_SUCCEEDED(srcFrame->GetSurface(getter_AddRefs(srcASurf)));
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success = success && dstLocked && NS_SUCCEEDED(dstFrame->GetSurface(getter_AddRefs(dstASurf)));
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success = success && srcLocked && dstLocked && srcASurf && dstASurf;
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if (success) {
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srcSurface = srcASurf->GetAsImageSurface();
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dstSurface = dstASurf->GetAsImageSurface();
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srcData = srcSurface->Data();
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dstData = dstSurface->Data();
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srcStride = srcSurface->Stride();
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dstStride = dstSurface->Stride();
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srcFormat = mozilla::gfx::ImageFormatToSurfaceFormat(srcFrame->GetFormat());
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}
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// We have references to the Thebes surfaces, so we don't need to leave
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// the source frame (that we don't own) locked. We'll unlock the
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// destination frame in ReleaseSurfaces(), below.
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if (srcLocked) {
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success = NS_SUCCEEDED(srcFrame->UnlockImageData()) && success;
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}
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success = success && srcSurface && dstSurface;
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}
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return success;
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}
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// This can only be called on the main thread.
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bool ReleaseSurfaces()
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{
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MOZ_ASSERT(NS_IsMainThread());
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nsRefPtr<RasterImage> image = weakImage.get();
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if (!image) {
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return false;
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}
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bool success = false;
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if (dstLocked) {
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success = NS_SUCCEEDED(dstFrame->UnlockImageData());
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dstLocked = false;
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srcData = nullptr;
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dstData = nullptr;
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srcSurface = nullptr;
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dstSurface = nullptr;
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}
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return success;
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}
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// These values may only be touched on the main thread.
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WeakPtr<RasterImage> weakImage;
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nsAutoPtr<imgFrame> dstFrame;
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nsRefPtr<gfxImageSurface> srcSurface;
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nsRefPtr<gfxImageSurface> dstSurface;
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// Below are the values that may be touched on the scaling thread.
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gfxSize scale;
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uint8_t* srcData;
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uint8_t* dstData;
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nsIntRect srcRect;
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gfxIntSize dstSize;
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uint32_t srcStride;
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uint32_t dstStride;
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mozilla::gfx::SurfaceFormat srcFormat;
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bool dstLocked;
|
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bool done;
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// This boolean is accessed from both threads simultaneously without locking.
|
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// That's safe because stopping a ScaleRequest is strictly an optimization;
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// if we're not cache-coherent, at worst we'll do extra work.
|
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bool stopped;
|
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};
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|
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enum ScaleStatus
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{
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SCALE_INVALID,
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SCALE_PENDING,
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SCALE_DONE
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};
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struct ScaleResult
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{
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ScaleResult()
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: status(SCALE_INVALID)
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{}
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gfxSize scale;
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nsAutoPtr<imgFrame> frame;
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ScaleStatus status;
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};
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class ScaleRunner : public nsRunnable
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{
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public:
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ScaleRunner(RasterImage* aImage, const gfxSize& aScale, imgFrame* aSrcFrame);
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NS_IMETHOD Run();
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bool IsOK() const { return !!mScaleRequest; }
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private:
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nsAutoPtr<ScaleRequest> mScaleRequest;
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};
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class DrawRunner : public nsRunnable
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{
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public:
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DrawRunner(ScaleRequest* request);
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NS_IMETHOD Run();
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private: /* members */
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nsAutoPtr<ScaleRequest> mScaleRequest;
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};
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void DrawWithPreDownscaleIfNeeded(imgFrame *aFrame,
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gfxContext *aContext,
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gfxPattern::GraphicsFilter aFilter,
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@ -630,16 +499,6 @@ private:
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const gfxRect &aFill,
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const nsIntRect &aSubimage);
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|
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// Call this with a new ScaleRequest to mark this RasterImage's scale result
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// as waiting for the results of this request. You call to ScalingDone before
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// request is destroyed!
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void ScalingStart(ScaleRequest* request);
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|
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// Call this with a finished ScaleRequest to set this RasterImage's scale
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// result. Give it a ScaleStatus of SCALE_DONE if everything succeeded, and
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// SCALE_INVALID otherwise.
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void ScalingDone(ScaleRequest* request, ScaleStatus status);
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/**
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* Advances the animation. Typically, this will advance a single frame, but it
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* may advance multiple frames. This may happen if we have infrequently
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@ -851,6 +710,18 @@ private: // data
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TimeStamp mDrawStartTime;
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inline bool CanScale(gfxPattern::GraphicsFilter aFilter, gfxSize aScale);
|
||||
|
||||
struct ScaleResult
|
||||
{
|
||||
ScaleResult()
|
||||
: status(SCALE_INVALID)
|
||||
{}
|
||||
|
||||
gfxSize scale;
|
||||
nsAutoPtr<imgFrame> frame;
|
||||
ScaleStatus status;
|
||||
};
|
||||
|
||||
ScaleResult mScaleResult;
|
||||
|
||||
// We hold on to a bare pointer to a ScaleRequest while it's outstanding so
|
||||
|
||||
Loading…
Reference in New Issue
Block a user