mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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// * This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/layers/TextureClientX11.h"
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#include "mozilla/layers/CompositableClient.h"
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/ISurfaceAllocator.h"
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#include "mozilla/layers/ShadowLayerUtilsX11.h"
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#include "mozilla/gfx/2D.h"
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#include "gfxXlibSurface.h"
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#include "gfx2DGlue.h"
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#include "mozilla/X11Util.h"
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#include <X11/Xlib.h>
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::layers;
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TextureClientX11::TextureClientX11(SurfaceFormat aFormat, TextureFlags aFlags)
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: TextureClient(aFlags),
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mFormat(aFormat),
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mLocked(false)
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{
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MOZ_COUNT_CTOR(TextureClientX11);
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}
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TextureClientX11::~TextureClientX11()
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{
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MOZ_COUNT_DTOR(TextureClientX11);
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}
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bool
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TextureClientX11::IsAllocated() const
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{
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return !!mSurface;
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}
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bool
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TextureClientX11::Lock(OpenMode aMode)
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{
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// XXX - Turn this into a fatal assertion as soon as Bug 952507 is fixed
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NS_WARN_IF_FALSE(!mLocked, "The TextureClient is already Locked!");
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mLocked = IsValid() && IsAllocated();
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return mLocked;
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}
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void
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TextureClientX11::Unlock()
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{
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// XXX - Turn this into a fatal assertion as soon as Bug 952507 is fixed
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NS_WARN_IF_FALSE(mLocked, "The TextureClient is already Unlocked!");
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mLocked = false;
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if (mSurface) {
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FinishX(DefaultXDisplay());
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}
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}
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bool
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TextureClientX11::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
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{
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MOZ_ASSERT(IsValid());
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if (!mSurface) {
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return false;
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}
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aOutDescriptor = SurfaceDescriptorX11(mSurface);
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return true;
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}
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TextureClientData*
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TextureClientX11::DropTextureData()
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{
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MOZ_ASSERT(!(mFlags & TEXTURE_DEALLOCATE_CLIENT));
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return nullptr;
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}
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bool
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TextureClientX11::UpdateSurface(gfxASurface* aSurface)
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{
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MOZ_ASSERT(IsValid());
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RefPtr<DrawTarget> dt = GetAsDrawTarget();
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if (!dt) {
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return false;
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}
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RefPtr<SourceSurface> source = gfxPlatform::GetPlatform()->GetSourceSurfaceForSurface(dt, aSurface);
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dt->CopySurface(source, IntRect(IntPoint(), GetSize()), IntPoint());
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return true;
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}
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already_AddRefed<gfxASurface>
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TextureClientX11::GetAsSurface()
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{
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MOZ_ASSERT(IsValid());
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if (!mSurface) {
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return nullptr;
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}
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nsRefPtr<gfxASurface> temp = mSurface.get();
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return temp.forget();
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}
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bool
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TextureClientX11::AllocateForSurface(IntSize aSize, TextureAllocationFlags aTextureFlags)
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{
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MOZ_ASSERT(IsValid());
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//MOZ_ASSERT(mFormat != gfx::FORMAT_YUV, "This TextureClient cannot use YCbCr data");
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gfxContentType contentType = ContentForFormat(mFormat);
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nsRefPtr<gfxASurface> surface = gfxPlatform::GetPlatform()->CreateOffscreenSurface(aSize, contentType);
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if (!surface || surface->GetType() != gfxSurfaceType::Xlib) {
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NS_ERROR("creating Xlib surface failed!");
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return false;
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}
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mSize = aSize;
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mSurface = static_cast<gfxXlibSurface*>(surface.get());
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// The host is always responsible for freeing the pixmap.
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mSurface->ReleasePixmap();
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return true;
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}
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TemporaryRef<DrawTarget>
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TextureClientX11::GetAsDrawTarget()
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{
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MOZ_ASSERT(IsValid());
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if (!mSurface) {
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return nullptr;
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}
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IntSize size = ToIntSize(mSurface->GetSize());
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return Factory::CreateDrawTargetForCairoSurface(mSurface->CairoSurface(), size);
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}
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