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commit 9a89dccd2a85
Author: Martin Stransky <stransky@redhat.com>
Date: Fri May 15 07:52:39 2020 +0000
Bug 1638010 [Wayland] Make WaylandDMABUFTextureData::BorrowDrawTarget() fail when underlying dmabuf surface is not locked, r=sotaro
Differential Revision: https://phabricator.services.mozilla.com/D75329
---
gfx/layers/opengl/WaylandDMABUFTextureClientOGL.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git gfx/layers/opengl/WaylandDMABUFTextureClientOGL.cpp gfx/layers/opengl/WaylandDMABUFTextureClientOGL.cpp
index bb556d9fcfaf5..da9c9cb6f4d19 100644
--- gfx/layers/opengl/WaylandDMABUFTextureClientOGL.cpp
+++ gfx/layers/opengl/WaylandDMABUFTextureClientOGL.cpp
@@ -86,6 +86,9 @@ already_AddRefed<DrawTarget> WaylandDMABUFTextureData::BorrowDrawTarget() {
return nullptr;
}
auto surf = mSurface->GetAsWaylandDMABufSurfaceRGBA();
+ if (!surf->GetMappedRegion()) {
+ return nullptr;
+ }
return Factory::CreateDrawTargetForData(
mBackend, (unsigned char*)surf->GetMappedRegion(),
IntSize(surf->GetWidth(), surf->GetHeight()),
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