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cuda: Fix runtime compiler loading with old CUDA tookit
Fallback to PTX if CUBIN symbol is unavailable Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3685 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7220>
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3e4c8f1b16
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0b285fc1a1
1 changed files with 19 additions and 3 deletions
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@ -45,10 +45,19 @@ GST_DEBUG_CATEGORY_STATIC (gst_cuda_nvrtc_debug);
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} \
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} G_STMT_END;
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#define LOAD_OPTIONAL_SYMBOL(name,func) G_STMT_START { \
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if (!g_module_symbol (module, G_STRINGIFY (name), (gpointer *) &vtable->func)) { \
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GST_WARNING ("Failed to load '%s', %s", G_STRINGIFY (name), g_module_error()); \
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return TRUE; \
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} \
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} G_STMT_END;
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/* *INDENT-OFF* */
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typedef struct _GstCudaNvrtcVTable
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{
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gboolean loaded;
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gboolean have_cubin;
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nvrtcResult (*NvrtcCompileProgram) (nvrtcProgram prog, int numOptions,
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const char **options);
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@ -154,6 +163,7 @@ gst_cuda_nvrtc_load_library_once (void)
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}
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vtable = &gst_cuda_nvrtc_vtable;
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vtable->have_cubin = FALSE;
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LOAD_SYMBOL (nvrtcCompileProgram, NvrtcCompileProgram);
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LOAD_SYMBOL (nvrtcCreateProgram, NvrtcCreateProgram);
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@ -162,11 +172,12 @@ gst_cuda_nvrtc_load_library_once (void)
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LOAD_SYMBOL (nvrtcGetPTXSize, NvrtcGetPTXSize);
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LOAD_SYMBOL (nvrtcGetProgramLog, NvrtcGetProgramLog);
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LOAD_SYMBOL (nvrtcGetProgramLogSize, NvrtcGetProgramLogSize);
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LOAD_SYMBOL (nvrtcGetCUBINSize, NvrtcGetCUBINSize);
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LOAD_SYMBOL (nvrtcGetCUBIN, NvrtcGetCUBIN);
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vtable->loaded = TRUE;
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LOAD_OPTIONAL_SYMBOL (nvrtcGetCUBINSize, NvrtcGetCUBINSize);
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LOAD_OPTIONAL_SYMBOL (nvrtcGetCUBIN, NvrtcGetCUBIN);
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vtable->have_cubin = TRUE;
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return TRUE;
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error:
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@ -387,6 +398,11 @@ gst_cuda_nvrtc_compile_cubin (const gchar * source, gint device)
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if (!gst_cuda_nvrtc_load_library ())
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return nullptr;
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if (!gst_cuda_nvrtc_vtable.have_cubin) {
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GST_DEBUG ("CUBIN related symbols are unavailable");
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return nullptr;
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}
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GST_TRACE ("CUDA kernel source \n%s", source);
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curet = CuDeviceGetAttribute (&major,
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