ValveSoftware / ValveSoftware/Proton
`ID2D1Factory4` Interface Not Supported
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- Dominant language
- C++
- Stars
- 32.8k
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Description
Proton version: experimental
Hardware platform: steam deck
Creating an ID2D1Factory4 always fails with HRESULT 0x80004002 (E_NOINTERFACE), indicating that this interface is not supported.
This means that software that makes use of Direct2D sprite batches cannot run under Proton because d2d sprite batches can only be created using the ID2D1DeviceContext3 interface, which can only be created by ID2D1Device3 interface, which can only be created from ID2D1Factory4 interface. NOTE: Using QueryInterface to obtain the necessary interfaces from more generic COM objects doesn't work either.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by locating Proton's Direct2D and COM implementation, then trace creation and QueryInterface handling for ID2D1Factory4, ID2D1Device3, and ID2D1DeviceContext3. Done means ID2D1Factory4 creation no longer returns E_NOINTERFACE and software requiring Direct2D sprite batches can run under Proton.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 30/100