DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/layers/TextureHost.h"
#include "mozilla/layers/LayersSurfaces.h"
#include "LayersLogging.h"
#include "nsPrintfCString.h"

namespace mozilla {
namespace layers {

// implemented in TextureOGL.cpp
TemporaryRef<TextureHost> CreateTextureHostOGL(SurfaceDescriptorType aDescriptorType,
                                               uint32_t aTextureHostFlags,
                                               uint32_t aTextureFlags);
// implemented in BasicCompositor.cpp
TemporaryRef<TextureHost> CreateBasicTextureHost(SurfaceDescriptorType aDescriptorType,
                                                 uint32_t aTextureHostFlags,
                                                 uint32_t aTextureFlags);

TemporaryRef<TextureHost> CreateTextureHostD3D9(SurfaceDescriptorType aDescriptorType,
                                                uint32_t aTextureHostFlags,
                                                uint32_t aTextureFlags)
{
  NS_RUNTIMEABORT("not implemented");
  return nullptr;
}

#ifdef XP_WIN
TemporaryRef<TextureHost> CreateTextureHostD3D11(SurfaceDescriptorType aDescriptorType,
                                                 uint32_t aTextureHostFlags,
                                                 uint32_t aTextureFlags);
#endif

/* static */ TemporaryRef<TextureHost>
TextureHost::CreateTextureHost(SurfaceDescriptorType aDescriptorType,
                               uint32_t aTextureHostFlags,
                               uint32_t aTextureFlags)
{
  switch (Compositor::GetBackend()) {
    case LAYERS_OPENGL:
      return CreateTextureHostOGL(aDescriptorType,
                                  aTextureHostFlags,
                                  aTextureFlags);
    case LAYERS_D3D9:
      return CreateTextureHostD3D9(aDescriptorType,
                                   aTextureHostFlags,
                                   aTextureFlags);
#ifdef XP_WIN
    case LAYERS_D3D11:
      return CreateTextureHostD3D11(aDescriptorType,
                                    aTextureHostFlags,
                                    aTextureFlags);
#endif
    case LAYERS_BASIC:
      return CreateBasicTextureHost(aDescriptorType,
                                    aTextureHostFlags,
                                    aTextureFlags);
    default:
      MOZ_NOT_REACHED("Couldn't create texture host");
      return nullptr;
  }
}


TextureHost::TextureHost()
  : mFlags(0)
  , mBuffer(nullptr)
  , mFormat(gfx::FORMAT_UNKNOWN)
  , mDeAllocator(nullptr)
{
  MOZ_COUNT_CTOR(TextureHost);
}

TextureHost::~TextureHost()
{
  if (mBuffer) {
    if (!(mFlags & OwnByClient)) {
      if (mDeAllocator) {
        mDeAllocator->DestroySharedSurface(mBuffer);
      } else {
        MOZ_ASSERT(mBuffer->type() == SurfaceDescriptor::Tnull_t);
      }
    }
    delete mBuffer;
  }
  MOZ_COUNT_DTOR(TextureHost);
}

void
TextureHost::Update(const SurfaceDescriptor& aImage,
                    nsIntRegion* aRegion,
                    nsIntPoint* aOffset)
{
  UpdateImpl(aImage, aRegion, aOffset);
}

void
TextureHost::SwapTextures(const SurfaceDescriptor& aImage,
                          SurfaceDescriptor* aResult,
                          nsIntRegion* aRegion)
{
  SwapTexturesImpl(aImage, aRegion);

  MOZ_ASSERT(mBuffer, "trying to swap a non-buffered texture host?");
  if (aResult) {
    *aResult = *mBuffer;
  }
  *mBuffer = aImage;
}

#ifdef MOZ_LAYERS_HAVE_LOG
void
TextureSource::PrintInfo(nsACString& aTo, const char* aPrefix)
{
  aTo += aPrefix;
  aTo += nsPrintfCString("UnknownTextureSource (0x%p)", this);
}

void
TextureHost::PrintInfo(nsACString& aTo, const char* aPrefix)
{
  aTo += aPrefix;
  aTo += nsPrintfCString("%s (0x%p)", Name(), this);
  AppendToString(aTo, GetSize(), " [size=", "]");
  AppendToString(aTo, GetFormat(), " [format=", "]");
  AppendToString(aTo, mFlags, " [flags=", "]");
}
#endif // MOZ_LAYERS_HAVE_LOG


} // namespace
} // namespace