Ping.
> 在 2023年10月30日，下午4:17，Zhao Zhili <quinkbl...@foxmail.com> 写道：
>
> From: Zhao Zhili <zhiliz...@tencent.com>
>
> VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME is required on macOS,
> and VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR flag should
> be set.
> ---
> libavutil/hwcontext_vulkan.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
> index 8481427b42..9fbf61ee70 100644
> --- a/libavutil/hwcontext_vulkan.c
> +++ b/libavutil/hwcontext_vulkan.c
> @@ -405,7 +405,6 @@ typedef struct VulkanOptExtension {
> } VulkanOptExtension;
>
> static const VulkanOptExtension optional_instance_exts[] = {
> - /* Pointless, here avoid zero-sized structs */
> { VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,
> FF_VK_EXT_NO_FLAG },
> };
>
> @@ -784,6 +783,14 @@ static int create_instance(AVHWDeviceContext *ctx,
> AVDictionary *opts)
> inst_props.pNext = &validation_features;
> }
>
> + for (int i = 0; i < inst_props.enabledExtensionCount; i++) {
> + if (!strcmp(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,
> + inst_props.ppEnabledExtensionNames[i])) {
> + inst_props.flags |=
> VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
> + break;
> + }
> + }
> +
> /* Try to create the instance */
> ret = vk->CreateInstance(&inst_props, hwctx->alloc, &hwctx->inst);
>
> --
> 2.42.0
>
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