Do not use decode swap chain for rotated videos

Although rotated videos are not promoted to hardware overlays with or
without decode swap chain, we plan to implement rotation using video
processor so don't use decode swap chain.

Bug: 848093
Change-Id: I5be838184b3c5886962147b1c31b279dae46e944
Reviewed-on: https://chromium-review.googlesource.com/c/1461101
Auto-Submit: Sunny Sachanandani <sunnyps@chromium.org>
Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Commit-Queue: Sunny Sachanandani <sunnyps@chromium.org>
Cr-Commit-Position: refs/heads/master@{#630617}

gpu/ipc/service/direct_composition_surface_win.cc

@@ -1132,16 +1132,25 @@ bool DCLayerTree::SwapChainPresenter::PresentToSwapChain(
         (D3D11_RESOURCE_MISC_SHARED | D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX |
          D3D11_RESOURCE_MISC_SHARED_NTHANDLE);
 
+    // Rotated videos are not promoted to overlays.  We plan to implement
+    // rotation using video processor instead of via direct composition.  Also
+    // check for skew and any downscaling specified to direct composition.
+    bool is_overlay_supported_transform =
+        visual_info_.transform.IsPositiveScaleOrTranslation();
+
     // Downscaled video isn't promoted to hardware overlays.  We prefer to blit
     // into the smaller size so that it can be promoted to a hardware overlay.
     float swap_chain_scale_x =
         swap_chain_size.width() * 1.0f / params.content_rect.width();
     float swap_chain_scale_y =
         swap_chain_size.height() * 1.0f / params.content_rect.height();
-    bool is_downscale =
-        (swap_chain_scale_x < 1.0f) || (swap_chain_scale_y < 1.0f);
 
-    if (is_decoder_texture && !is_shared_texture && !is_downscale) {
+    is_overlay_supported_transform = is_overlay_supported_transform &&
+                                     (swap_chain_scale_x >= 1.0f) &&
+                                     (swap_chain_scale_y >= 1.0f);
+
+    if (is_decoder_texture && !is_shared_texture &&
+        is_overlay_supported_transform) {
       if (PresentToDecodeSwapChain(image_dxgi, params.content_rect,
                                    swap_chain_size, needs_commit)) {
         return true;