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112 lines
2.5 KiB
C++
112 lines
2.5 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 "TextureHostX11.h"
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#include "mozilla/layers/BasicCompositor.h"
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#include "gfxXlibSurface.h"
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#include "gfx2DGlue.h"
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using namespace mozilla;
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using namespace mozilla::layers;
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using namespace mozilla::gfx;
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static inline SurfaceFormat
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ContentTypeToSurfaceFormat(gfxContentType type)
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{
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switch (type) {
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case gfxContentType::COLOR:
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return SurfaceFormat::B8G8R8X8;
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case gfxContentType::ALPHA:
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return SurfaceFormat::A8;
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case gfxContentType::COLOR_ALPHA:
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return SurfaceFormat::B8G8R8A8;
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default:
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return SurfaceFormat::UNKNOWN;
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}
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}
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TextureSourceX11::TextureSourceX11(BasicCompositor* aCompositor, gfxXlibSurface* aSurface)
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: mCompositor(aCompositor),
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mSurface(aSurface)
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{
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}
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IntSize
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TextureSourceX11::GetSize() const
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{
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return ToIntSize(mSurface->GetSize());
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}
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SurfaceFormat
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TextureSourceX11::GetFormat() const
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{
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return ContentTypeToSurfaceFormat(mSurface->GetContentType());
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}
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SourceSurface*
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TextureSourceX11::GetSurface()
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{
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if (!mSourceSurface) {
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mSourceSurface =
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Factory::CreateSourceSurfaceForCairoSurface(mSurface->CairoSurface(), GetFormat());
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}
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return mSourceSurface;
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}
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void
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TextureSourceX11::SetCompositor(Compositor* aCompositor)
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{
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BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);
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mCompositor = compositor;
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}
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TextureHostX11::TextureHostX11(TextureFlags aFlags,
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const SurfaceDescriptorX11& aDescriptor)
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: TextureHost(aFlags)
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{
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nsRefPtr<gfxXlibSurface> surface = aDescriptor.OpenForeign();
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mSurface = surface.get();
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// The host always frees the pixmap.
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MOZ_ASSERT(!(aFlags & TEXTURE_DEALLOCATE_CLIENT));
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mSurface->TakePixmap();
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}
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bool
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TextureHostX11::Lock()
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{
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if (!mCompositor) {
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return false;
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}
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if (!mTextureSource) {
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mTextureSource = new TextureSourceX11(mCompositor, mSurface);
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}
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return true;
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}
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void
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TextureHostX11::SetCompositor(Compositor* aCompositor)
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{
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BasicCompositor* compositor = static_cast<BasicCompositor*>(aCompositor);
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mCompositor = compositor;
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if (mTextureSource) {
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mTextureSource->SetCompositor(compositor);
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}
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}
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SurfaceFormat
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TextureHostX11::GetFormat() const
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{
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return ContentTypeToSurfaceFormat(mSurface->GetContentType());
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}
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IntSize
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TextureHostX11::GetSize() const
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{
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return ToIntSize(mSurface->GetSize());
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}
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