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comparison: gfx/layers/basic/TextureClientX11.cpp
gfx/layers/basic/TextureClientX11.cpp
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 // * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #include "mozilla/layers/TextureClientX11.h" | |
| 6 #include "mozilla/layers/CompositableClient.h" | |
| 7 #include "mozilla/layers/CompositableForwarder.h" | |
| 8 #include "mozilla/layers/ISurfaceAllocator.h" | |
| 9 #include "mozilla/layers/ShadowLayerUtilsX11.h" | |
| 10 #include "mozilla/gfx/2D.h" | |
| 11 #include "gfxXlibSurface.h" | |
| 12 #include "gfx2DGlue.h" | |
| 13 | |
| 14 #include "mozilla/X11Util.h" | |
| 15 #include <X11/Xlib.h> | |
| 16 | |
| 17 using namespace mozilla; | |
| 18 using namespace mozilla::gfx; | |
| 19 using namespace mozilla::layers; | |
| 20 | |
| 21 TextureClientX11::TextureClientX11(SurfaceFormat aFormat, TextureFlags aFlags) | |
| 22 : TextureClient(aFlags), | |
| 23 mFormat(aFormat), | |
| 24 mLocked(false) | |
| 25 { | |
| 26 MOZ_COUNT_CTOR(TextureClientX11); | |
| 27 } | |
| 28 | |
| 29 TextureClientX11::~TextureClientX11() | |
| 30 { | |
| 31 MOZ_COUNT_DTOR(TextureClientX11); | |
| 32 } | |
| 33 | |
| 34 bool | |
| 35 TextureClientX11::IsAllocated() const | |
| 36 { | |
| 37 return !!mSurface; | |
| 38 } | |
| 39 | |
| 40 bool | |
| 41 TextureClientX11::Lock(OpenMode aMode) | |
| 42 { | |
| 43 MOZ_ASSERT(!mLocked, "The TextureClient is already Locked!"); | |
| 44 mLocked = IsValid() && IsAllocated(); | |
| 45 return mLocked; | |
| 46 } | |
| 47 | |
| 48 void | |
| 49 TextureClientX11::Unlock() | |
| 50 { | |
| 51 MOZ_ASSERT(mLocked, "The TextureClient is already Unlocked!"); | |
| 52 mLocked = false; | |
| 53 | |
| 54 if (mSurface) { | |
| 55 FinishX(DefaultXDisplay()); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 bool | |
| 60 TextureClientX11::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) | |
| 61 { | |
| 62 MOZ_ASSERT(IsValid()); | |
| 63 if (!mSurface) { | |
| 64 return false; | |
| 65 } | |
| 66 | |
| 67 aOutDescriptor = SurfaceDescriptorX11(mSurface); | |
| 68 return true; | |
| 69 } | |
| 70 | |
| 71 TextureClientData* | |
| 72 TextureClientX11::DropTextureData() | |
| 73 { | |
| 74 MOZ_ASSERT(!(mFlags & TEXTURE_DEALLOCATE_CLIENT)); | |
| 75 return nullptr; | |
| 76 } | |
| 77 | |
| 78 bool | |
| 79 TextureClientX11::AllocateForSurface(IntSize aSize, TextureAllocationFlags aTextureFlags) | |
| 80 { | |
| 81 MOZ_ASSERT(IsValid()); | |
| 82 //MOZ_ASSERT(mFormat != gfx::FORMAT_YUV, "This TextureClient cannot use YCbCr data"); | |
| 83 | |
| 84 gfxContentType contentType = ContentForFormat(mFormat); | |
| 85 nsRefPtr<gfxASurface> surface = gfxPlatform::GetPlatform()->CreateOffscreenSurface(aSize, contentType); | |
| 86 if (!surface || surface->GetType() != gfxSurfaceType::Xlib) { | |
| 87 NS_ERROR("creating Xlib surface failed!"); | |
| 88 return false; | |
| 89 } | |
| 90 | |
| 91 mSize = aSize; | |
| 92 mSurface = static_cast<gfxXlibSurface*>(surface.get()); | |
| 93 | |
| 94 // The host is always responsible for freeing the pixmap. | |
| 95 mSurface->ReleasePixmap(); | |
| 96 return true; | |
| 97 } | |
| 98 | |
| 99 TemporaryRef<DrawTarget> | |
| 100 TextureClientX11::GetAsDrawTarget() | |
| 101 { | |
| 102 MOZ_ASSERT(IsValid()); | |
| 103 if (!mSurface) { | |
| 104 return nullptr; | |
| 105 } | |
| 106 | |
| 107 IntSize size = ToIntSize(mSurface->GetSize()); | |
| 108 return Factory::CreateDrawTargetForCairoSurface(mSurface->CairoSurface(), size); | |
| 109 } |
