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C++ PlanarYCbCrImage::SetBackendData方法代码示例

本文整理汇总了C++中PlanarYCbCrImage::SetBackendData方法的典型用法代码示例。如果您正苦于以下问题：C++ PlanarYCbCrImage::SetBackendData方法的具体用法？C++ PlanarYCbCrImage::SetBackendData怎么用？C++ PlanarYCbCrImage::SetBackendData使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PlanarYCbCrImage的用法示例。


在下文中一共展示了PlanarYCbCrImage::SetBackendData方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: autoLock

void
ImageLayerOGL::RenderLayer(int,
                           const nsIntPoint& aOffset)
{
  nsRefPtr<ImageContainer> container = GetContainer();

  if (!container || mOGLManager->CompositingDisabled())
    return;

  mOGLManager->MakeCurrent();

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  NS_ASSERTION(image->GetFormat() != REMOTE_IMAGE_BITMAP,
    "Remote images aren't handled yet in OGL layers!");

  if (image->GetFormat() == PLANAR_YCBCR) {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->IsValid()) {
      return;
    }

    PlanarYCbCrOGLBackendData *data =
      static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTextures->GetGLContext() != gl()) {
      // If these textures were allocated by another layer manager,
      // clear them out and re-allocate below.
      data = nullptr;
      yuvImage->SetBackendData(LAYERS_OPENGL, nullptr);
    }

    if (!data) {
      AllocateTexturesYCbCr(yuvImage);
      data = static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));
    }

    if (!data || data->mTextures->GetGLContext() != gl()) {
      // XXX - Can this ever happen? If so I need to fix this!
      return;
    }

    gl()->MakeCurrent();
    gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    
    ShaderProgramOGL *program = mOGLManager->GetProgram(YCbCrLayerProgramType,
                                                        GetMaskLayer());

    program->Activate();
    program->SetLayerQuadRect(nsIntRect(0, 0,
                                        yuvImage->GetSize().width,
                                        yuvImage->GetSize().height));
    program->SetLayerTransform(GetEffectiveTransform());
    program->SetLayerOpacity(GetEffectiveOpacity());
    program->SetRenderOffset(aOffset);
    program->SetYCbCrTextureUnits(0, 1, 2);
    program->LoadMask(GetMaskLayer());

    mOGLManager->BindAndDrawQuadWithTextureRect(program,
                                                yuvImage->GetData()->GetPictureRect(),
                                                nsIntSize(yuvImage->GetData()->mYSize.width,
                                                          yuvImage->GetData()->mYSize.height));

    // We shouldn't need to do this, but do it anyway just in case
    // someone else forgets.
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
  } else if (image->GetFormat() == CAIRO_SURFACE) {
    CairoImage *cairoImage =
      static_cast<CairoImage*>(image);

    if (!cairoImage->mSurface) {
      return;
    }

    NS_ASSERTION(cairoImage->mSurface->GetContentType() != gfxASurface::CONTENT_ALPHA,
                 "Image layer has alpha image");

    CairoOGLBackendData *data =
      static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTexture.GetGLContext() != gl()) {
      // If this texture was allocated by another layer manager, clear
      // it out and re-allocate below.
      data = nullptr;
      cairoImage->SetBackendData(LAYERS_OPENGL, nullptr);
//.........这里部分代码省略.........
开发者ID:Web5design，项目名称:mozilla-central，代码行数:101，代码来源:ImageLayerOGL.cpp

示例2: autoLock

void
ImageLayerOGL::RenderLayer(int,
                           const nsIntPoint& aOffset)
{
  nsRefPtr<ImageContainer> container = GetContainer();

  if (!container)
    return;

  mOGLManager->MakeCurrent();

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  NS_ASSERTION(image->GetFormat() != Image::REMOTE_IMAGE_BITMAP,
    "Remote images aren't handled yet in OGL layers!");
  NS_ASSERTION(mScaleMode == SCALE_NONE,
    "Scale modes other than none not handled yet in OGL layers!");

  if (image->GetFormat() == Image::PLANAR_YCBCR) {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->mBufferSize) {
      return;
    }

    PlanarYCbCrOGLBackendData *data =
      static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LayerManager::LAYERS_OPENGL));

    if (data && data->mTextures->GetGLContext() != gl()) {
      // If these textures were allocated by another layer manager,
      // clear them out and re-allocate below.
      data = nsnull;
      yuvImage->SetBackendData(LayerManager::LAYERS_OPENGL, nsnull);
    }

    if (!data) {
      AllocateTexturesYCbCr(yuvImage);
      data = static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LayerManager::LAYERS_OPENGL));
    }

    if (!data || data->mTextures->GetGLContext() != gl()) {
      // XXX - Can this ever happen? If so I need to fix this!
      return;
    }

    gl()->MakeCurrent();
    gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);

    YCbCrTextureLayerProgram *program = mOGLManager->GetYCbCrLayerProgram();

    program->Activate();
    program->SetLayerQuadRect(nsIntRect(0, 0,
                                        yuvImage->mSize.width,
                                        yuvImage->mSize.height));
    program->SetLayerTransform(GetEffectiveTransform());
    program->SetLayerOpacity(GetEffectiveOpacity());
    program->SetRenderOffset(aOffset);
    program->SetYCbCrTextureUnits(0, 1, 2);

    mOGLManager->BindAndDrawQuadWithTextureRect(program,
                                                yuvImage->mData.GetPictureRect(),
                                                nsIntSize(yuvImage->mData.mYSize.width,
                                                          yuvImage->mData.mYSize.height));

    // We shouldn't need to do this, but do it anyway just in case
    // someone else forgets.
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
  } else if (image->GetFormat() == Image::CAIRO_SURFACE) {
    CairoImage *cairoImage =
      static_cast<CairoImage*>(image);

    if (!cairoImage->mSurface) {
      return;
    }

    CairoOGLBackendData *data =
      static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LayerManager::LAYERS_OPENGL));

    if (data && data->mTexture.GetGLContext() != gl()) {
      // If this texture was allocated by another layer manager, clear
      // it out and re-allocate below.
      data = nsnull;
      cairoImage->SetBackendData(LayerManager::LAYERS_OPENGL, nsnull);
    }

    if (!data) {
//.........这里部分代码省略.........
开发者ID:，项目名称:，代码行数:101，代码来源:

示例3: autoLock

void
ImageLayerOGL::RenderLayer(int,
                           const nsIntPoint& aOffset)
{
  nsRefPtr<ImageContainer> container = GetContainer();

  if (!container || mOGLManager->CompositingDisabled())
    return;

  mOGLManager->MakeCurrent();

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  NS_ASSERTION(image->GetFormat() != REMOTE_IMAGE_BITMAP,
    "Remote images aren't handled yet in OGL layers!");

  if (image->GetFormat() == PLANAR_YCBCR) {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->IsValid()) {
      return;
    }

    PlanarYCbCrOGLBackendData *data =
      static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTextures->GetGLContext() != gl()) {
      // If these textures were allocated by another layer manager,
      // clear them out and re-allocate below.
      data = nullptr;
      yuvImage->SetBackendData(LAYERS_OPENGL, nullptr);
    }

    if (!data) {
      AllocateTexturesYCbCr(yuvImage);
      data = static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));
    }

    if (!data || data->mTextures->GetGLContext() != gl()) {
      // XXX - Can this ever happen? If so I need to fix this!
      return;
    }

    gl()->MakeCurrent();
    gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    
    ShaderProgramOGL *program = mOGLManager->GetProgram(YCbCrLayerProgramType,
                                                        GetMaskLayer());

    program->Activate();
    program->SetLayerQuadRect(nsIntRect(0, 0,
                                        yuvImage->GetSize().width,
                                        yuvImage->GetSize().height));
    program->SetLayerTransform(GetEffectiveTransform());
    program->SetLayerOpacity(GetEffectiveOpacity());
    program->SetRenderOffset(aOffset);
    program->SetYCbCrTextureUnits(0, 1, 2);
    program->LoadMask(GetMaskLayer());

    mOGLManager->BindAndDrawQuadWithTextureRect(program,
                                                yuvImage->GetData()->GetPictureRect(),
                                                nsIntSize(yuvImage->GetData()->mYSize.width,
                                                          yuvImage->GetData()->mYSize.height));

    // We shouldn't need to do this, but do it anyway just in case
    // someone else forgets.
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
  } else if (image->GetFormat() == CAIRO_SURFACE) {
    CairoImage *cairoImage =
      static_cast<CairoImage*>(image);

    if (!cairoImage->mSurface) {
      return;
    }

    NS_ASSERTION(cairoImage->mSurface->GetContentType() != gfxASurface::CONTENT_ALPHA,
                 "Image layer has alpha image");

    CairoOGLBackendData *data =
      static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTexture.GetGLContext() != gl()) {
      // If this texture was allocated by another layer manager, clear
      // it out and re-allocate below.
      data = nullptr;
      cairoImage->SetBackendData(LAYERS_OPENGL, nullptr);
//.........这里部分代码省略.........
开发者ID:memorais，项目名称:TC2_impl，代码行数:101，代码来源:ImageLayerOGL.cpp


注：本文中的PlanarYCbCrImage::SetBackendData方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。