if allocating Vulkan surface fails, fall back to Skia raster surface

Occassionally there may be very large surfaces, such as
in tdf#135952. Try to fall back to raster, which is more likely to
succeed, given that it uses system RAM instead of video RAM.

Change-Id: I81994b174e5e52066eacc5f8778e9469b042f9c8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103170
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/vcl/skia/win/gdiimpl.cxx b/vcl/skia/win/gdiimpl.cxx
index ea7cb3362386..5c5582b8ffe6 100644
--- a/vcl/skia/win/gdiimpl.cxx
+++ b/vcl/skia/win/gdiimpl.cxx
@@ -35,21 +35,19 @@ WinSkiaSalGraphicsImpl::WinSkiaSalGraphicsImpl(WinSalGraphics& rGraphics,
 {
 }
 
-void WinSkiaSalGraphicsImpl::createWindowContext()
+void WinSkiaSalGraphicsImpl::createWindowContext(bool forceRaster)
 {
     SkiaZone zone;
     sk_app::DisplayParams displayParams;
-    switch (SkiaHelper::renderMethodToUse())
+    switch (forceRaster ? SkiaHelper::RenderRaster : SkiaHelper::renderMethodToUse())
     {
         case SkiaHelper::RenderRaster:
             mWindowContext = sk_app::window_context_factory::MakeRasterForWin(mWinParent.gethWnd(),
                                                                               displayParams);
-            mIsGPU = false;
             break;
         case SkiaHelper::RenderVulkan:
             mWindowContext = sk_app::window_context_factory::MakeVulkanForWin(mWinParent.gethWnd(),
                                                                               displayParams);
-            mIsGPU = true;
             break;
     }
 }