void
CanvasLayerD3D9::UpdateSurface()
{
  if (!IsDirty() && mTexture)
    return;
  Painted();

  if (!mTexture) {
    CreateTexture();

    if (!mTexture) {
      NS_WARNING("CanvasLayerD3D9::Updated called but no texture present and creation failed!");
      return;
    }
  }

  if (mGLContext) {
    // WebGL reads entire surface.
    LockTextureRectD3D9 textureLock(mTexture);
    if (!textureLock.HasLock()) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    D3DLOCKED_RECT r = textureLock.GetLockRect();

    const bool stridesMatch = r.Pitch == mBounds.width * 4;

    uint8_t *destination;
    if (!stridesMatch) {
      destination = GetTempBlob(mBounds.width * mBounds.height * 4);
    } else {
      DiscardTempBlob();
      destination = (uint8_t*)r.pBits;
    }

    mGLContext->MakeCurrent();

    nsRefPtr<gfxImageSurface> tmpSurface =
      new gfxImageSurface(destination,
                          gfxIntSize(mBounds.width, mBounds.height),
                          mBounds.width * 4,
                          gfxASurface::ImageFormatARGB32);
    mGLContext->ReadScreenIntoImageSurface(tmpSurface);
    tmpSurface = nullptr;

    if (!stridesMatch) {
      for (int y = 0; y < mBounds.height; y++) {
        memcpy((uint8_t*)r.pBits + r.Pitch * y,
               destination + mBounds.width * 4 * y,
               mBounds.width * 4);
      }
    }
  } else {
    RECT r;
    r.left = mBounds.x;
    r.top = mBounds.y;
    r.right = mBounds.XMost();
    r.bottom = mBounds.YMost();

    LockTextureRectD3D9 textureLock(mTexture);
    if (!textureLock.HasLock()) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    D3DLOCKED_RECT lockedRect = textureLock.GetLockRect();

    nsRefPtr<gfxImageSurface> sourceSurface;

    if (mSurface->GetType() == gfxASurface::SurfaceTypeWin32) {
      sourceSurface = mSurface->GetAsImageSurface();
    } else if (mSurface->GetType() == gfxASurface::SurfaceTypeImage) {
      sourceSurface = static_cast<gfxImageSurface*>(mSurface.get());
      if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32 &&
          sourceSurface->Format() != gfxASurface::ImageFormatRGB24)
      {
        return;
      }
    } else {
      sourceSurface = new gfxImageSurface(gfxIntSize(mBounds.width, mBounds.height),
                                          gfxASurface::ImageFormatARGB32);
      nsRefPtr<gfxContext> ctx = new gfxContext(sourceSurface);
      ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
      ctx->SetSource(mSurface);
      ctx->Paint();
    }

    uint8_t *startBits = sourceSurface->Data();
    uint32_t sourceStride = sourceSurface->Stride();

    if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32) {
      mHasAlpha = false;
    } else {
      mHasAlpha = true;
    }

    for (int y = 0; y < mBounds.height; y++) {
      memcpy((uint8_t*)lockedRect.pBits + lockedRect.Pitch * y,
             startBits + sourceStride * y,
             mBounds.width * 4);
    }

  }
}
Exemplo n.º 2
0
void
CanvasLayerD3D10::UpdateSurface()
{
  if (!mDirty)
    return;
  mDirty = false;

  if (mDrawTarget) {
    mDrawTarget->Flush();
  } else if (mIsD2DTexture) {
    mSurface->Flush();
    return;
  } else if (mUsingSharedTexture) {
    // need to sync on the d3d9 device
    if (mGLContext) {
      mGLContext->MakeCurrent();
      mGLContext->GuaranteeResolve();
    }
    return;
  }
  if (mGLContext) {
    // WebGL reads entire surface.
    D3D10_MAPPED_TEXTURE2D map;
    
    HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);

    if (FAILED(hr)) {
      NS_WARNING("Failed to map CanvasLayer texture.");
      return;
    }

    const bool stridesMatch = map.RowPitch == mBounds.width * 4;

    uint8_t *destination;
    if (!stridesMatch) {
      destination = GetTempBlob(mBounds.width * mBounds.height * 4);
    } else {
      DiscardTempBlob();
      destination = (uint8_t*)map.pData;
    }

    mGLContext->MakeCurrent();

    nsRefPtr<gfxImageSurface> tmpSurface =
      new gfxImageSurface(destination,
                          gfxIntSize(mBounds.width, mBounds.height),
                          mBounds.width * 4,
                          gfxASurface::ImageFormatARGB32);
    mGLContext->ReadScreenIntoImageSurface(tmpSurface);
    tmpSurface = nullptr;

    if (!stridesMatch) {
      for (int y = 0; y < mBounds.height; y++) {
        memcpy((uint8_t*)map.pData + map.RowPitch * y,
               destination + mBounds.width * 4 * y,
               mBounds.width * 4);
      }
    }
    mTexture->Unmap(0);
  } else if (mSurface) {
    RECT r;
    r.left = 0;
    r.top = 0;
    r.right = mBounds.width;
    r.bottom = mBounds.height;

    D3D10_MAPPED_TEXTURE2D map;
    HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);

    if (FAILED(hr)) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    nsRefPtr<gfxImageSurface> dstSurface;

    dstSurface = new gfxImageSurface((unsigned char*)map.pData,
                                     gfxIntSize(mBounds.width, mBounds.height),
                                     map.RowPitch,
                                     gfxASurface::ImageFormatARGB32);
    nsRefPtr<gfxContext> ctx = new gfxContext(dstSurface);
    ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
    ctx->SetSource(mSurface);
    ctx->Paint();
    
    mTexture->Unmap(0);
  }
}
Exemplo n.º 3
0
void
CanvasLayerD3D9::UpdateSurface()
{
  if (!mDirty && mTexture)
    return;
  mDirty = false;

  if (!mTexture) {
    CreateTexture();

    if (!mTexture) {
      NS_WARNING("CanvasLayerD3D9::Updated called but no texture present and creation failed!");
      return;
    }
  }

  if (mGLContext) {
    // WebGL reads entire surface.
    LockTextureRectD3D9 textureLock(mTexture);
    if (!textureLock.HasLock()) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    D3DLOCKED_RECT r = textureLock.GetLockRect();

    const bool stridesMatch = r.Pitch == mBounds.width * 4;

    PRUint8 *destination;
    if (!stridesMatch) {
      destination = GetTempBlob(mBounds.width * mBounds.height * 4);
    } else {
      DiscardTempBlob();
      destination = (PRUint8*)r.pBits;
    }

    mGLContext->MakeCurrent();

    PRUint32 currentFramebuffer = 0;

    mGLContext->fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, (GLint*)&currentFramebuffer);

    // Make sure that we read pixels from the correct framebuffer, regardless
    // of what's currently bound.
    if (currentFramebuffer != mCanvasFramebuffer)
      mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mCanvasFramebuffer);

    nsRefPtr<gfxImageSurface> tmpSurface =
      new gfxImageSurface(destination,
                          gfxIntSize(mBounds.width, mBounds.height),
                          mBounds.width * 4,
                          gfxASurface::ImageFormatARGB32);
    mGLContext->ReadPixelsIntoImageSurface(0, 0,
                                           mBounds.width, mBounds.height,
                                           tmpSurface);
    tmpSurface = nullptr;

    // Put back the previous framebuffer binding.
    if (currentFramebuffer != mCanvasFramebuffer)
      mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, currentFramebuffer);

    if (!stridesMatch) {
      for (int y = 0; y < mBounds.height; y++) {
        memcpy((PRUint8*)r.pBits + r.Pitch * y,
               destination + mBounds.width * 4 * y,
               mBounds.width * 4);
      }
    }
  } else {
    RECT r;
    r.left = mBounds.x;
    r.top = mBounds.y;
    r.right = mBounds.XMost();
    r.bottom = mBounds.YMost();

    LockTextureRectD3D9 textureLock(mTexture);
    if (!textureLock.HasLock()) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    D3DLOCKED_RECT lockedRect = textureLock.GetLockRect();

    nsRefPtr<gfxImageSurface> sourceSurface;

    if (mSurface->GetType() == gfxASurface::SurfaceTypeWin32) {
      sourceSurface = mSurface->GetAsImageSurface();
    } else if (mSurface->GetType() == gfxASurface::SurfaceTypeImage) {
      sourceSurface = static_cast<gfxImageSurface*>(mSurface.get());
      if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32 &&
          sourceSurface->Format() != gfxASurface::ImageFormatRGB24)
      {
        return;
      }
    } else {
      sourceSurface = new gfxImageSurface(gfxIntSize(mBounds.width, mBounds.height),
                                          gfxASurface::ImageFormatARGB32);
      nsRefPtr<gfxContext> ctx = new gfxContext(sourceSurface);
      ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
      ctx->SetSource(mSurface);
      ctx->Paint();
    }

    PRUint8 *startBits = sourceSurface->Data();
    PRUint32 sourceStride = sourceSurface->Stride();

    if (sourceSurface->Format() != gfxASurface::ImageFormatARGB32) {
      mHasAlpha = false;
    } else {
      mHasAlpha = true;
    }

    for (int y = 0; y < mBounds.height; y++) {
      memcpy((PRUint8*)lockedRect.pBits + lockedRect.Pitch * y,
             startBits + sourceStride * y,
             mBounds.width * 4);
    }

  }
}
Exemplo n.º 4
0
void
CanvasLayerD3D10::UpdateSurface()
{
  if (!mDirty)
    return;
  mDirty = false;

  if (mDrawTarget) {
    mDrawTarget->Flush();
    return;
  }

  if (mIsD2DTexture) {
    mSurface->Flush();
    return;
  }

  if (mUsingSharedTexture) {
    // need to sync on the d3d9 device
    if (mGLContext) {
      mGLContext->MakeCurrent();
      mGLContext->GuaranteeResolve();
    }
    return;
  }

  if (mGLContext) {
    // WebGL reads entire surface.
    D3D10_MAPPED_TEXTURE2D map;
    
    HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);

    if (FAILED(hr)) {
      NS_WARNING("Failed to map CanvasLayer texture.");
      return;
    }

    const bool stridesMatch = map.RowPitch == mBounds.width * 4;

    PRUint8 *destination;
    if (!stridesMatch) {
      destination = GetTempBlob(mBounds.width * mBounds.height * 4);
    } else {
      DiscardTempBlob();
      destination = (PRUint8*)map.pData;
    }

    mGLContext->MakeCurrent();

    PRUint32 currentFramebuffer = 0;

    mGLContext->fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, (GLint*)&currentFramebuffer);

    // Make sure that we read pixels from the correct framebuffer, regardless
    // of what's currently bound.
    if (currentFramebuffer != mCanvasFramebuffer)
      mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mCanvasFramebuffer);

    nsRefPtr<gfxImageSurface> tmpSurface =
      new gfxImageSurface(destination,
                          gfxIntSize(mBounds.width, mBounds.height),
                          mBounds.width * 4,
                          gfxASurface::ImageFormatARGB32);
    mGLContext->ReadPixelsIntoImageSurface(0, 0,
                                           mBounds.width, mBounds.height,
                                           tmpSurface);
    tmpSurface = nsnull;

    // Put back the previous framebuffer binding.
    if (currentFramebuffer != mCanvasFramebuffer)
      mGLContext->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, currentFramebuffer);

    if (!stridesMatch) {
      for (int y = 0; y < mBounds.height; y++) {
        memcpy((PRUint8*)map.pData + map.RowPitch * y,
               destination + mBounds.width * 4 * y,
               mBounds.width * 4);
      }
    }
    mTexture->Unmap(0);
  } else if (mSurface) {
    RECT r;
    r.left = 0;
    r.top = 0;
    r.right = mBounds.width;
    r.bottom = mBounds.height;

    D3D10_MAPPED_TEXTURE2D map;
    HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);

    if (FAILED(hr)) {
      NS_WARNING("Failed to lock CanvasLayer texture.");
      return;
    }

    nsRefPtr<gfxImageSurface> dstSurface;

    dstSurface = new gfxImageSurface((unsigned char*)map.pData,
                                     gfxIntSize(mBounds.width, mBounds.height),
                                     map.RowPitch,
                                     gfxASurface::ImageFormatARGB32);
    nsRefPtr<gfxContext> ctx = new gfxContext(dstSurface);
    ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
    ctx->SetSource(mSurface);
    ctx->Paint();
    
    mTexture->Unmap(0);
  }
}