void
BasicCompositor::DrawQuad(const gfx::Rect& aRect,
                          const gfx::Rect& aClipRect,
                          const EffectChain &aEffectChain,
                          gfx::Float aOpacity,
                          const gfx::Matrix4x4& aTransform,
                          const gfx::Rect& aVisibleRect)
{
  RefPtr<DrawTarget> buffer = mRenderTarget->mDrawTarget;

  // For 2D drawing, |dest| and |buffer| are the same surface. For 3D drawing,
  // |dest| is a temporary surface.
  RefPtr<DrawTarget> dest = buffer;

  buffer->PushClipRect(aClipRect);
  AutoRestoreTransform autoRestoreTransform(dest);

  Matrix newTransform;
  Rect transformBounds;
  gfx3DMatrix new3DTransform;
  IntPoint offset = mRenderTarget->GetOrigin();

  if (aTransform.Is2D()) {
    newTransform = aTransform.As2D();
  } else {
    // Create a temporary surface for the transform.
    dest = gfxPlatform::GetPlatform()->CreateOffscreenContentDrawTarget(RoundOut(aRect).Size(), SurfaceFormat::B8G8R8A8);
    if (!dest) {
      return;
    }

    dest->SetTransform(Matrix::Translation(-aRect.x, -aRect.y));

    // Get the bounds post-transform.
    new3DTransform = To3DMatrix(aTransform);
    gfxRect bounds = new3DTransform.TransformBounds(ThebesRect(aRect));
    bounds.IntersectRect(bounds, gfxRect(offset.x, offset.y, buffer->GetSize().width, buffer->GetSize().height));

    transformBounds = ToRect(bounds);
    transformBounds.RoundOut();

    // Propagate the coordinate offset to our 2D draw target.
    newTransform = Matrix::Translation(transformBounds.x, transformBounds.y);

    // When we apply the 3D transformation, we do it against a temporary
    // surface, so undo the coordinate offset.
    new3DTransform = gfx3DMatrix::Translation(aRect.x, aRect.y, 0) * new3DTransform;
  }

  newTransform.PostTranslate(-offset.x, -offset.y);
  buffer->SetTransform(newTransform);

  RefPtr<SourceSurface> sourceMask;
  Matrix maskTransform;
  if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
    EffectMask *effectMask = static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
    sourceMask = effectMask->mMaskTexture->AsSourceBasic()->GetSurface(dest);
    MOZ_ASSERT(effectMask->mMaskTransform.Is2D(), "How did we end up with a 3D transform here?!");
    MOZ_ASSERT(!effectMask->mIs3D);
    maskTransform = effectMask->mMaskTransform.As2D();
    maskTransform.PreTranslate(-offset.x, -offset.y);
  }

  switch (aEffectChain.mPrimaryEffect->mType) {
    case EffectTypes::SOLID_COLOR: {
      EffectSolidColor* effectSolidColor =
        static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get());

      FillRectWithMask(dest, aRect, effectSolidColor->mColor,
                       DrawOptions(aOpacity), sourceMask, &maskTransform);
      break;
    }
    case EffectTypes::RGB: {
      TexturedEffect* texturedEffect =
          static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
      TextureSourceBasic* source = texturedEffect->mTexture->AsSourceBasic();

      if (texturedEffect->mPremultiplied) {
          DrawSurfaceWithTextureCoords(dest, aRect,
                                       source->GetSurface(dest),
                                       texturedEffect->mTextureCoords,
                                       texturedEffect->mFilter,
                                       aOpacity, sourceMask, &maskTransform);
      } else {
          RefPtr<DataSourceSurface> srcData = source->GetSurface(dest)->GetDataSurface();

          // Yes, we re-create the premultiplied data every time.
          // This might be better with a cache, eventually.
          RefPtr<DataSourceSurface> premultData = gfxUtils::CreatePremultipliedDataSurface(srcData);

          DrawSurfaceWithTextureCoords(dest, aRect,
                                       premultData,
                                       texturedEffect->mTextureCoords,
                                       texturedEffect->mFilter,
                                       aOpacity, sourceMask, &maskTransform);
      }
      break;
    }
    case EffectTypes::YCBCR: {
      NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
      break;
    }
    case EffectTypes::RENDER_TARGET: {
      EffectRenderTarget* effectRenderTarget =
        static_cast<EffectRenderTarget*>(aEffectChain.mPrimaryEffect.get());
      RefPtr<BasicCompositingRenderTarget> surface
        = static_cast<BasicCompositingRenderTarget*>(effectRenderTarget->mRenderTarget.get());
      RefPtr<SourceSurface> sourceSurf = surface->mDrawTarget->Snapshot();

      DrawSurfaceWithTextureCoords(dest, aRect,
                                   sourceSurf,
                                   effectRenderTarget->mTextureCoords,
                                   effectRenderTarget->mFilter,
                                   aOpacity, sourceMask, &maskTransform);
      break;
    }
    case EffectTypes::COMPONENT_ALPHA: {
      NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
      break;
    }
    default: {
      NS_RUNTIMEABORT("Invalid effect type!");
      break;
    }
  }

  if (!aTransform.Is2D()) {
    dest->Flush();

    RefPtr<SourceSurface> snapshot = dest->Snapshot();
    RefPtr<DataSourceSurface> source = snapshot->GetDataSurface();
    RefPtr<DataSourceSurface> temp =
      Factory::CreateDataSourceSurface(RoundOut(transformBounds).Size(), SurfaceFormat::B8G8R8A8
#ifdef MOZ_ENABLE_SKIA
        , true
#endif
        );
    if (NS_WARN_IF(!temp)) {
      buffer->PopClip();
      return;
    }

    Transform(temp, source, new3DTransform, transformBounds.TopLeft());

    transformBounds.MoveTo(0, 0);
    buffer->DrawSurface(temp, transformBounds, transformBounds);
  }

  buffer->PopClip();
}
Beispiel #2
0
void
CompositorD3D9::DrawQuad(const gfx::Rect &aRect,
                         const gfx::Rect &aClipRect,
                         const EffectChain &aEffectChain,
                         gfx::Float aOpacity,
                         const gfx::Matrix4x4 &aTransform)
{
  if (!mDeviceManager) {
    return;
  }

  IDirect3DDevice9* d3d9Device = device();
  MOZ_ASSERT(d3d9Device, "We should be able to get a device now");

  MOZ_ASSERT(mCurrentRT, "No render target");
  d3d9Device->SetVertexShaderConstantF(CBmLayerTransform, &aTransform._11, 4);

  IntPoint origin = mCurrentRT->GetOrigin();
  float renderTargetOffset[] = { origin.x, origin.y, 0, 0 };
  d3d9Device->SetVertexShaderConstantF(CBvRenderTargetOffset,
                                       renderTargetOffset,
                                       1);
  d3d9Device->SetVertexShaderConstantF(CBvLayerQuad,
                                       ShaderConstantRect(aRect.x,
                                                          aRect.y,
                                                          aRect.width,
                                                          aRect.height),
                                       1);
  bool target = false;

  if (aEffectChain.mPrimaryEffect->mType != EffectTypes::SOLID_COLOR) {
    float opacity[4];
    /*
     * We always upload a 4 component float, but the shader will use only the
     * first component since it's declared as a 'float'.
     */
    opacity[0] = aOpacity;
    d3d9Device->SetPixelShaderConstantF(CBfLayerOpacity, opacity, 1);
  }

  bool isPremultiplied = true;

  MaskType maskType = MaskType::MaskNone;

  if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
    if (aTransform.Is2D()) {
      maskType = MaskType::Mask2d;
    } else {
      maskType = MaskType::Mask3d;
    }
  }

  RECT scissor;
  scissor.left = aClipRect.x;
  scissor.right = aClipRect.XMost();
  scissor.top = aClipRect.y;
  scissor.bottom = aClipRect.YMost();
  d3d9Device->SetScissorRect(&scissor);

  uint32_t maskTexture = 0;
  switch (aEffectChain.mPrimaryEffect->mType) {
  case EffectTypes::SOLID_COLOR:
    {
      // output color is premultiplied, so we need to adjust all channels.
      Color layerColor =
        static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get())->mColor;
      float color[4];
      color[0] = layerColor.r * layerColor.a * aOpacity;
      color[1] = layerColor.g * layerColor.a * aOpacity;
      color[2] = layerColor.b * layerColor.a * aOpacity;
      color[3] = layerColor.a * aOpacity;

      d3d9Device->SetPixelShaderConstantF(CBvColor, color, 1);

      maskTexture = mDeviceManager
        ->SetShaderMode(DeviceManagerD3D9::SOLIDCOLORLAYER, maskType);
    }
    break;
  case EffectTypes::RENDER_TARGET:
  case EffectTypes::RGB:
    {
      TexturedEffect* texturedEffect =
        static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());

      Rect textureCoords = texturedEffect->mTextureCoords;
      d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
                                           ShaderConstantRect(
                                             textureCoords.x,
                                             textureCoords.y,
                                             textureCoords.width,
                                             textureCoords.height),
                                           1);

      SetSamplerForFilter(texturedEffect->mFilter);

      TextureSourceD3D9* source = texturedEffect->mTexture->AsSourceD3D9();
      d3d9Device->SetTexture(0, source->GetD3D9Texture());

      maskTexture = mDeviceManager
        ->SetShaderMode(ShaderModeForEffectType(aEffectChain.mPrimaryEffect->mType,
                                                texturedEffect->mTexture->GetFormat()),
                        maskType);

      isPremultiplied = texturedEffect->mPremultiplied;
    }
    break;
  case EffectTypes::YCBCR:
    {
      EffectYCbCr* ycbcrEffect =
        static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());

      SetSamplerForFilter(Filter::LINEAR);

      Rect textureCoords = ycbcrEffect->mTextureCoords;
      d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
                                           ShaderConstantRect(
                                             textureCoords.x,
                                             textureCoords.y,
                                             textureCoords.width,
                                             textureCoords.height),
                                           1);

      const int Y = 0, Cb = 1, Cr = 2;
      TextureSource* source = ycbcrEffect->mTexture;

      if (!source) {
        NS_WARNING("No texture to composite");
        return;
      }

      if (!source->GetSubSource(Y) || !source->GetSubSource(Cb) || !source->GetSubSource(Cr)) {
        // This can happen if we failed to upload the textures, most likely
        // because of unsupported dimensions (we don't tile YCbCr textures).
        return;
      }

      TextureSourceD3D9* sourceY  = source->GetSubSource(Y)->AsSourceD3D9();
      TextureSourceD3D9* sourceCb = source->GetSubSource(Cb)->AsSourceD3D9();
      TextureSourceD3D9* sourceCr = source->GetSubSource(Cr)->AsSourceD3D9();


      MOZ_ASSERT(sourceY->GetD3D9Texture());
      MOZ_ASSERT(sourceCb->GetD3D9Texture());
      MOZ_ASSERT(sourceCr->GetD3D9Texture());

      /*
       * Send 3d control data and metadata
       */
      if (mDeviceManager->GetNv3DVUtils()) {
        Nv_Stereo_Mode mode;
        switch (source->AsSourceD3D9()->GetStereoMode()) {
        case StereoMode::LEFT_RIGHT:
          mode = NV_STEREO_MODE_LEFT_RIGHT;
          break;
        case StereoMode::RIGHT_LEFT:
          mode = NV_STEREO_MODE_RIGHT_LEFT;
          break;
        case StereoMode::BOTTOM_TOP:
          mode = NV_STEREO_MODE_BOTTOM_TOP;
          break;
        case StereoMode::TOP_BOTTOM:
          mode = NV_STEREO_MODE_TOP_BOTTOM;
          break;
        case StereoMode::MONO:
          mode = NV_STEREO_MODE_MONO;
          break;
        }

        // Send control data even in mono case so driver knows to leave stereo mode.
        mDeviceManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);

        if (source->AsSourceD3D9()->GetStereoMode() != StereoMode::MONO) {
          mDeviceManager->GetNv3DVUtils()->SendNv3DVControl(mode, true, FIREFOX_3DV_APP_HANDLE);

          nsRefPtr<IDirect3DSurface9> renderTarget;
          d3d9Device->GetRenderTarget(0, getter_AddRefs(renderTarget));
          mDeviceManager->GetNv3DVUtils()->SendNv3DVMetaData((unsigned int)aRect.width,
                                                             (unsigned int)aRect.height,
                                                             (HANDLE)(sourceY->GetD3D9Texture()),
                                                             (HANDLE)(renderTarget));
        }
      }

      // Linear scaling is default here, adhering to mFilter is difficult since
      // presumably even with point filtering we'll still want chroma upsampling
      // to be linear. In the current approach we can't.
      device()->SetTexture(Y, sourceY->GetD3D9Texture());
      device()->SetTexture(Cb, sourceCb->GetD3D9Texture());
      device()->SetTexture(Cr, sourceCr->GetD3D9Texture());
      maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::YCBCRLAYER, maskType);
    }
    break;
  case EffectTypes::COMPONENT_ALPHA:
    {
      MOZ_ASSERT(gfxPrefs::ComponentAlphaEnabled());
      EffectComponentAlpha* effectComponentAlpha =
        static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());
      TextureSourceD3D9* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D9();
      TextureSourceD3D9* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D9();

      Rect textureCoords = effectComponentAlpha->mTextureCoords;
      d3d9Device->SetVertexShaderConstantF(CBvTextureCoords,
                                           ShaderConstantRect(
                                             textureCoords.x,
                                             textureCoords.y,
                                             textureCoords.width,
                                             textureCoords.height),
                                           1);

      SetSamplerForFilter(effectComponentAlpha->mFilter);

      maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::COMPONENTLAYERPASS1, maskType);
      SetMask(aEffectChain, maskTexture);
      d3d9Device->SetTexture(0, sourceOnBlack->GetD3D9Texture());
      d3d9Device->SetTexture(1, sourceOnWhite->GetD3D9Texture());
      d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ZERO);
      d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCCOLOR);
      d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);

      maskTexture = mDeviceManager->SetShaderMode(DeviceManagerD3D9::COMPONENTLAYERPASS2, maskType);
      SetMask(aEffectChain, maskTexture);
      d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
      d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
      d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);

      // Restore defaults
      d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
      d3d9Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
      d3d9Device->SetTexture(1, nullptr);
    }
    return;
  default:
    NS_WARNING("Unknown shader type");
    return;
  }

  SetMask(aEffectChain, maskTexture);

  if (!isPremultiplied) {
    d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
  }

  HRESULT hr = d3d9Device->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);

  if (!isPremultiplied) {
    d3d9Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
  }
}
Beispiel #3
0
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
                          const gfx::Rect& aClipRect,
                          const EffectChain& aEffectChain,
                          gfx::Float aOpacity,
                          const gfx::Matrix4x4& aTransform)
{
  MOZ_ASSERT(mCurrentRT, "No render target");
  memcpy(&mVSConstants.layerTransform, &aTransform._11, 64);
  IntPoint origin = mCurrentRT->GetOrigin();
  mVSConstants.renderTargetOffset[0] = origin.x;
  mVSConstants.renderTargetOffset[1] = origin.y;

  mPSConstants.layerOpacity[0] = aOpacity;

  bool restoreBlendMode = false;

  MaskType maskType = MaskType::MaskNone;

  if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
    if (aTransform.Is2D()) {
      maskType = MaskType::Mask2d;
    } else {
      MOZ_ASSERT(aEffectChain.mPrimaryEffect->mType == EffectTypes::RGB);
      maskType = MaskType::Mask3d;
    }

    EffectMask* maskEffect =
      static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
    TextureSourceD3D11* source = maskEffect->mMaskTexture->AsSourceD3D11();

    if (!source) {
      NS_WARNING("Missing texture source!");
      return;
    }

    RefPtr<ID3D11ShaderResourceView> view;
    HRESULT hr = mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
    if (Failed(hr)) {
      // XXX - There's a chance we won't be able to render anything, should we
      // just crash release builds?
      return;
    }

    ID3D11ShaderResourceView* srView = view;
    mContext->PSSetShaderResources(3, 1, &srView);

    const gfx::Matrix4x4& maskTransform = maskEffect->mMaskTransform;
    NS_ASSERTION(maskTransform.Is2D(), "How did we end up with a 3D transform here?!");
    Rect bounds = Rect(Point(), Size(maskEffect->mSize));

    mVSConstants.maskQuad = maskTransform.As2D().TransformBounds(bounds);
  }


  D3D11_RECT scissor;
  scissor.left = aClipRect.x;
  scissor.right = aClipRect.XMost();
  scissor.top = aClipRect.y;
  scissor.bottom = aClipRect.YMost();
  mContext->RSSetScissorRects(1, &scissor);
  mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
  mContext->VSSetShader(mAttachments->mVSQuadShader[maskType], nullptr, 0);

  const Rect* pTexCoordRect = nullptr;

  switch (aEffectChain.mPrimaryEffect->mType) {
  case EffectTypes::SOLID_COLOR: {
      SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, SurfaceFormat::UNKNOWN);

      Color color =
        static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get())->mColor;
      mPSConstants.layerColor[0] = color.r * color.a * aOpacity;
      mPSConstants.layerColor[1] = color.g * color.a * aOpacity;
      mPSConstants.layerColor[2] = color.b * color.a * aOpacity;
      mPSConstants.layerColor[3] = color.a * aOpacity;
    }
    break;
  case EffectTypes::RGB:
  case EffectTypes::RENDER_TARGET:
    {
      TexturedEffect* texturedEffect =
        static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());

      pTexCoordRect = &texturedEffect->mTextureCoords;

      TextureSourceD3D11* source = texturedEffect->mTexture->AsSourceD3D11();

      if (!source) {
        NS_WARNING("Missing texture source!");
        return;
      }

      SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, texturedEffect->mTexture->GetFormat());

      RefPtr<ID3D11ShaderResourceView> view;
      HRESULT hr = mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));
      if (Failed(hr)) {
        // XXX - There's a chance we won't be able to render anything, should we
        // just crash release builds?
        return;
      }

      ID3D11ShaderResourceView* srView = view;
      mContext->PSSetShaderResources(0, 1, &srView);

      if (!texturedEffect->mPremultiplied) {
        mContext->OMSetBlendState(mAttachments->mNonPremulBlendState, sBlendFactor, 0xFFFFFFFF);
        restoreBlendMode = true;
      }

      SetSamplerForFilter(texturedEffect->mFilter);
    }
    break;
  case EffectTypes::YCBCR: {
      EffectYCbCr* ycbcrEffect =
        static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());

      SetSamplerForFilter(Filter::LINEAR);

      pTexCoordRect = &ycbcrEffect->mTextureCoords;

      const int Y = 0, Cb = 1, Cr = 2;
      TextureSource* source = ycbcrEffect->mTexture;

      if (!source) {
        NS_WARNING("No texture to composite");
        return;
      }

      SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, ycbcrEffect->mTexture->GetFormat());

      if (!source->GetSubSource(Y) || !source->GetSubSource(Cb) || !source->GetSubSource(Cr)) {
        // This can happen if we failed to upload the textures, most likely
        // because of unsupported dimensions (we don't tile YCbCr textures).
        return;
      }

      TextureSourceD3D11* sourceY  = source->GetSubSource(Y)->AsSourceD3D11();
      TextureSourceD3D11* sourceCb = source->GetSubSource(Cb)->AsSourceD3D11();
      TextureSourceD3D11* sourceCr = source->GetSubSource(Cr)->AsSourceD3D11();

      HRESULT hr;

      RefPtr<ID3D11ShaderResourceView> views[3];

      hr = mDevice->CreateShaderResourceView(sourceY->GetD3D11Texture(),
                                             nullptr, byRef(views[0]));
      if (Failed(hr)) {
        return;
      }

      hr = mDevice->CreateShaderResourceView(sourceCb->GetD3D11Texture(),
                                             nullptr, byRef(views[1]));
      if (Failed(hr)) {
        return;
      }

      hr = mDevice->CreateShaderResourceView(sourceCr->GetD3D11Texture(),
                                             nullptr, byRef(views[2]));
      if (Failed(hr)) {
        return;
      }

      ID3D11ShaderResourceView* srViews[3] = { views[0], views[1], views[2] };
      mContext->PSSetShaderResources(0, 3, srViews);
    }
    break;
  case EffectTypes::COMPONENT_ALPHA:
    {
      MOZ_ASSERT(gfxPrefs::ComponentAlphaEnabled());
      MOZ_ASSERT(mAttachments->mComponentBlendState);
      EffectComponentAlpha* effectComponentAlpha =
        static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());

      TextureSourceD3D11* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D11();
      TextureSourceD3D11* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D11();

      if (!sourceOnWhite || !sourceOnBlack) {
        NS_WARNING("Missing texture source(s)!");
        return;
      }

      SetPSForEffect(aEffectChain.mPrimaryEffect, maskType, effectComponentAlpha->mOnWhite->GetFormat());

      SetSamplerForFilter(effectComponentAlpha->mFilter);

      pTexCoordRect = &effectComponentAlpha->mTextureCoords;

      RefPtr<ID3D11ShaderResourceView> views[2];

      HRESULT hr;

      hr = mDevice->CreateShaderResourceView(sourceOnBlack->GetD3D11Texture(), nullptr, byRef(views[0]));
      if (Failed(hr)) {
        return;
      }
      hr = mDevice->CreateShaderResourceView(sourceOnWhite->GetD3D11Texture(), nullptr, byRef(views[1]));
      if (Failed(hr)) {
        return;
      }

      ID3D11ShaderResourceView* srViews[2] = { views[0], views[1] };
      mContext->PSSetShaderResources(0, 2, srViews);

      mContext->OMSetBlendState(mAttachments->mComponentBlendState, sBlendFactor, 0xFFFFFFFF);
      restoreBlendMode = true;
    }
    break;
  default:
    NS_WARNING("Unknown shader type");
    return;
  }

  if (pTexCoordRect) {
    Rect layerRects[4];
    Rect textureRects[4];
    size_t rects = DecomposeIntoNoRepeatRects(aRect,
                                              *pTexCoordRect,
                                              &layerRects,
                                              &textureRects);
    for (size_t i = 0; i < rects; i++) {
      mVSConstants.layerQuad = layerRects[i];
      mVSConstants.textureCoords = textureRects[i];

      if (!UpdateConstantBuffers()) {
        NS_WARNING("Failed to update shader constant buffers");
        break;
      }
      mContext->Draw(4, 0);
    }
  } else {
    mVSConstants.layerQuad = aRect;

    if (!UpdateConstantBuffers()) {
      NS_WARNING("Failed to update shader constant buffers");
    } else {
      mContext->Draw(4, 0);
    }
  }

  if (restoreBlendMode) {
    mContext->OMSetBlendState(mAttachments->mPremulBlendState, sBlendFactor, 0xFFFFFFFF);
  }
}
void
CompositorD3D11::DrawQuad(const gfx::Rect& aRect,
                          const gfx::Rect& aClipRect,
                          const EffectChain& aEffectChain,
                          gfx::Float aOpacity,
                          const gfx::Matrix4x4& aTransform,
                          const gfx::Point& aOffset)
{
  MOZ_ASSERT(mCurrentRT, "No render target");
  memcpy(&mVSConstants.layerTransform, &aTransform._11, 64);
  mVSConstants.renderTargetOffset[0] = aOffset.x;
  mVSConstants.renderTargetOffset[1] = aOffset.y;
  mVSConstants.layerQuad = aRect;

  mPSConstants.layerOpacity[0] = aOpacity;

  bool restoreBlendMode = false;

  MaskType maskType = MaskNone;

  if (aEffectChain.mSecondaryEffects[EFFECT_MASK]) {
    if (aTransform.Is2D()) {
      maskType = Mask2d;
    } else {
      MOZ_ASSERT(aEffectChain.mPrimaryEffect->mType == EFFECT_BGRA);
      maskType = Mask3d;
    }

    EffectMask* maskEffect =
      static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EFFECT_MASK].get());
    TextureSourceD3D11* source = maskEffect->mMaskTexture->AsSourceD3D11();

    RefPtr<ID3D11ShaderResourceView> view;
    mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));

    ID3D11ShaderResourceView* srView = view;
    mContext->PSSetShaderResources(3, 1, &srView);

    const gfx::Matrix4x4& maskTransform = maskEffect->mMaskTransform;
    NS_ASSERTION(maskTransform.Is2D(), "How did we end up with a 3D transform here?!");
    Rect bounds = Rect(Point(), Size(maskEffect->mSize));

    mVSConstants.maskQuad = maskTransform.As2D().TransformBounds(bounds);
  }


  D3D11_RECT scissor;
  scissor.left = aClipRect.x;
  scissor.right = aClipRect.XMost();
  scissor.top = aClipRect.y;
  scissor.bottom = aClipRect.YMost();
  mContext->RSSetScissorRects(1, &scissor);
  mContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
  mContext->VSSetShader(mAttachments->mVSQuadShader[maskType], nullptr, 0);

  SetPSForEffect(aEffectChain.mPrimaryEffect, maskType);

  switch (aEffectChain.mPrimaryEffect->mType) {
  case EFFECT_SOLID_COLOR: {
      Color color =
        static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get())->mColor;
      mPSConstants.layerColor[0] = color.r * color.a * aOpacity;
      mPSConstants.layerColor[1] = color.g * color.a * aOpacity;
      mPSConstants.layerColor[2] = color.b * color.a * aOpacity;
      mPSConstants.layerColor[3] = color.a * aOpacity;
    }
    break;
  case EFFECT_BGRX:
  case EFFECT_BGRA:
  case EFFECT_RENDER_TARGET:
    {
      TexturedEffect* texturedEffect =
        static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());

      mVSConstants.textureCoords = texturedEffect->mTextureCoords;

      TextureSourceD3D11* source = texturedEffect->mTexture->AsSourceD3D11();

      RefPtr<ID3D11ShaderResourceView> view;
      mDevice->CreateShaderResourceView(source->GetD3D11Texture(), nullptr, byRef(view));

      ID3D11ShaderResourceView* srView = view;
      mContext->PSSetShaderResources(0, 1, &srView);

      if (!texturedEffect->mPremultiplied) {
        mContext->OMSetBlendState(mAttachments->mNonPremulBlendState, sBlendFactor, 0xFFFFFFFF);
        restoreBlendMode = true;
      }

      SetSamplerForFilter(texturedEffect->mFilter);
    }
    break;
  case EFFECT_YCBCR: {
      EffectYCbCr* ycbcrEffect =
        static_cast<EffectYCbCr*>(aEffectChain.mPrimaryEffect.get());

      SetSamplerForFilter(FILTER_LINEAR);

      mVSConstants.textureCoords = ycbcrEffect->mTextureCoords;

      TextureSourceD3D11* source = ycbcrEffect->mTexture->AsSourceD3D11();
      TextureSourceD3D11::YCbCrTextures textures = source->GetYCbCrTextures();

      RefPtr<ID3D11ShaderResourceView> views[3];
      mDevice->CreateShaderResourceView(textures.mY, nullptr, byRef(views[0]));
      mDevice->CreateShaderResourceView(textures.mCb, nullptr, byRef(views[1]));
      mDevice->CreateShaderResourceView(textures.mCr, nullptr, byRef(views[2]));

      ID3D11ShaderResourceView* srViews[3] = { views[0], views[1], views[2] };
      mContext->PSSetShaderResources(0, 3, srViews);
    }
    break;
  case EFFECT_COMPONENT_ALPHA:
    {
      MOZ_ASSERT(gfxPlatform::ComponentAlphaEnabled());
      EffectComponentAlpha* effectComponentAlpha =
        static_cast<EffectComponentAlpha*>(aEffectChain.mPrimaryEffect.get());
      TextureSourceD3D11* sourceOnWhite = effectComponentAlpha->mOnWhite->AsSourceD3D11();
      TextureSourceD3D11* sourceOnBlack = effectComponentAlpha->mOnBlack->AsSourceD3D11();
      SetSamplerForFilter(effectComponentAlpha->mFilter);

      mVSConstants.textureCoords = effectComponentAlpha->mTextureCoords;
      RefPtr<ID3D11ShaderResourceView> views[2];
      mDevice->CreateShaderResourceView(sourceOnBlack->GetD3D11Texture(), nullptr, byRef(views[0]));
      mDevice->CreateShaderResourceView(sourceOnWhite->GetD3D11Texture(), nullptr, byRef(views[1]));

      ID3D11ShaderResourceView* srViews[2] = { views[0], views[1] };
      mContext->PSSetShaderResources(0, 2, srViews);

      mContext->OMSetBlendState(mAttachments->mComponentBlendState, sBlendFactor, 0xFFFFFFFF);
      restoreBlendMode = true;
    }
    break;
  default:
    NS_WARNING("Unknown shader type");
    return;
  }
  UpdateConstantBuffers();

  mContext->Draw(4, 0);
  if (restoreBlendMode) {
    mContext->OMSetBlendState(mAttachments->mPremulBlendState, sBlendFactor, 0xFFFFFFFF);
  }
}