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Bug 1696325 - Handle StagingTexture allocation failure in RenderCompositorD3D11SWGL r=mattwoodrow

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Differential Revision: https://phabricator.services.mozilla.com/D107176
This commit is contained in:
sotaro
2021-03-08 23:41:58 +00:00
parent f05bf780f6
commit 6c1d79b6b1
1 changed files with 14 additions and 0 deletions
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14
gfx/webrender_bindings/RenderCompositorD3D11SWGL.cpp
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@@ -236,6 +236,10 @@ bool RenderCompositorD3D11SWGL::TileD3D11::Map(wr::DeviceIntRect aDirtyRect,
return true;
}
if (!mRenderCompositor->mCurrentStagingTexture) {
return false;
}
RefPtr<ID3D11DeviceContext> context;
mRenderCompositor->GetDevice()->GetImmediateContext(getter_AddRefs(context));
@@ -277,6 +281,9 @@ bool RenderCompositorD3D11SWGL::TileD3D11::Map(wr::DeviceIntRect aDirtyRect,
if (hr == DXGI_ERROR_WAS_STILL_DRAWING) {
mRenderCompositor->mCurrentStagingTexture =
mRenderCompositor->CreateStagingTexture(tileSize);
if (!mRenderCompositor->mCurrentStagingTexture) {
return false;
}
hr = context->Map(mRenderCompositor->mCurrentStagingTexture, 0,
D3D11_MAP_READ_WRITE, 0, &mappedSubresource);
}
@@ -319,6 +326,10 @@ void RenderCompositorD3D11SWGL::TileD3D11::Unmap(
return;
}
if (!mRenderCompositor->mCurrentStagingTexture) {
return;
}
RefPtr<ID3D11DeviceContext> context;
mRenderCompositor->GetDevice()->GetImmediateContext(getter_AddRefs(context));
@@ -366,6 +377,9 @@ RenderCompositorD3D11SWGL::CreateStagingTexture(const gfx::IntSize aSize) {
DebugOnly<HRESULT> hr =
GetDevice()->CreateTexture2D(&desc, nullptr, getter_AddRefs(cpuTexture));
MOZ_ASSERT(SUCCEEDED(hr));
if (!cpuTexture) {
gfxCriticalNote << "Failed to create StagingTexture: " << aSize;
}
return cpuTexture.forget();
}