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Remove the need for a patched nvidia library for NvFBC. #2471

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merged 2 commits into from
Jun 1, 2024
Merged

Remove the need for a patched nvidia library for NvFBC. #2471

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752bd26
Remove the need for a patched nvidia library for NvFBC and NVENC.
hgaiser Apr 26, 2024
e850162
Fix linting issue.
hgaiser May 1, 2024
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6 changes: 6 additions & 0 deletions src/platform/linux/cuda.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -614,6 +614,12 @@
make() {
NVFBC_CREATE_HANDLE_PARAMS params { NVFBC_CREATE_HANDLE_PARAMS_VER };

// Set privateData to allow NvFBC on consumer NVIDIA GPUs.
// Based on https://github.com/keylase/nvidia-patch/blob/3193b4b1cea91527bf09ea9b8db5aade6a3f3c0a/win/nvfbcwrp/nvfbcwrp_main.cpp#L23-L25 .
const unsigned int MAGIC_PRIVATE_DATA[4] = { 0xAEF57AC5, 0x401D1A39, 0x1B856BBE, 0x9ED0CEBA };
params.privateData = MAGIC_PRIVATE_DATA;
params.privateDataSize = sizeof(MAGIC_PRIVATE_DATA);

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src/platform/linux/cuda.cpp#L619-L621 

Added lines #L619 - L621 were not covered by tests

handle_t handle;
auto status = func.nvFBCCreateHandle(&handle.handle, &params);
if (status) {
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