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SDL_ClaimWindowForGPUDevice() should fail for transparent windows

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The GPU API doesn't currently support transparent windows (transparent swapchain effects doesn't seem possible on D3D12) so we should explicitly fail so users don't expect transparency and then not get it.

Fixes https://github.com/libsdl-org/SDL/issues/12410
This commit is contained in:
Sam Lantinga 2025-03-21 11:58:42 -07:00
parent bde49abdb7
commit 2fbb583290
1 changed files with 5 additions and 2 deletions
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7
src/gpu/SDL_gpu.c
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@ -2653,8 +2653,11 @@ bool SDL_ClaimWindowForGPUDevice(
{
CHECK_DEVICE_MAGIC(device, false);
if (window == NULL) {
SDL_InvalidParamError("window");
return false;
return SDL_InvalidParamError("window");
}
if ((window->flags & SDL_WINDOW_TRANSPARENT) != 0) {
return SDL_SetError("The GPU API doesn't support transparent windows");
}
return device->ClaimWindow(