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Backends: OpenGL3: Update GL3W based imgui_impl_opengl3_loader.h to load "libGL.so" and variants, fixing regression on distros missing a symlink. (#6983)

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Amend 0f50b52da
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ocornut 2024-01-09 23:26:05 +01:00
parent 69bf3291df
commit a3eea8a75a
3 changed files with 8 additions and 1 deletions
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4
backends/imgui_impl_opengl3_loader.h
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@ -668,6 +668,10 @@ static int open_libgl(void)
{
// While most systems use libGL.so.1, NetBSD seems to use that libGL.so.3. See https://github.com/ocornut/imgui/issues/6983
libgl = dlopen("libGL.so", RTLD_LAZY | RTLD_LOCAL);
if (!libgl)
libgl = dlopen("libGL.so.1", RTLD_LAZY | RTLD_LOCAL);
if (!libgl)
libgl = dlopen("libGL.so.3", RTLD_LAZY | RTLD_LOCAL);
if (!libgl)
return GL3W_ERROR_LIBRARY_OPEN;
*(void **)(&glx_get_proc_address) = dlsym(libgl, "glXGetProcAddressARB");