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configure: add option to statically link to libvulkan

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This may be useful in weird setups and on platforms where
static linking to libvulkan is supported.

libplacebo also has this fallback.
This commit is contained in:
Lynne 2024-12-18 17:27:46 +09:00
parent 8fbecfd1a0
commit 1b8cd00da6
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GPG key ID: A2FEA5F03F034464
2 changed files with 15 additions and 1 deletions
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9
libavutil/hwcontext_vulkan.c
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@ -533,11 +533,19 @@ static int vkfmt_from_pixfmt2(AVHWDeviceContext *dev_ctx, enum AVPixelFormat p,
return AVERROR(EINVAL);
}
#if CONFIG_VULKAN_STATIC
VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL vkGetInstanceProcAddr(VkInstance instance,
const char *pName);
#endif
static int load_libvulkan(AVHWDeviceContext *ctx)
{
VulkanDevicePriv *p = ctx->hwctx;
AVVulkanDeviceContext *hwctx = &p->p;
#if CONFIG_VULKAN_STATIC
hwctx->get_proc_addr = vkGetInstanceProcAddr;
#else
static const char *lib_names[] = {
#if defined(_WIN32)
"vulkan-1.dll",
@ -563,6 +571,7 @@ static int load_libvulkan(AVHWDeviceContext *ctx)
}
hwctx->get_proc_addr = (PFN_vkGetInstanceProcAddr)dlsym(p->libvulkan, "vkGetInstanceProcAddr");
#endif /* CONFIG_VULKAN_STATIC */
return 0;
}