hwcontext_vulkan: optionally enable more functionality

These two extensions and two features are both optionally used by
libplacebo to speed up rendering, so it makes sense for libavutil to
automatically enable them as well.

libavutil/hwcontext_vulkan.c

@@ -244,6 +244,8 @@ enum VulkanExtensions {
     EXT_EXTERNAL_FD_MEMORY     = 1ULL <<  2, /* VK_KHR_external_memory_fd */
     EXT_EXTERNAL_FD_SEM        = 1ULL <<  3, /* VK_KHR_external_semaphore_fd */
     EXT_EXTERNAL_HOST_MEMORY   = 1ULL <<  4, /* VK_EXT_external_memory_host */
+    EXT_PUSH_DESCRIPTORS       = 1ULL <<  5, /* VK_KHR_push_descriptor */
+    EXT_HOST_QUERY_RESET       = 1ULL <<  6, /* VK_EXT_host_query_reset */
 
     EXT_NO_FLAG                = 1ULL << 63,
 };
@@ -263,6 +265,8 @@ static const VulkanOptExtension optional_device_exts[] = {
     { VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,        EXT_DRM_MODIFIER_FLAGS,     },
     { VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME,            EXT_EXTERNAL_FD_SEM,        },
     { VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME,             EXT_EXTERNAL_HOST_MEMORY,   },
+    { VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME,                  EXT_PUSH_DESCRIPTORS,       },
+    { VK_EXT_HOST_QUERY_RESET_EXTENSION_NAME,                 EXT_HOST_QUERY_RESET,       },
 };
 
 /* Converts return values to strings */
@@ -1041,6 +1045,8 @@ static int vulkan_device_create_internal(AVHWDeviceContext *ctx,
     vkGetPhysicalDeviceFeatures(hwctx->phys_dev, &dev_features);
 #define COPY_FEATURE(DST, NAME) (DST).features.NAME = dev_features.NAME;
     COPY_FEATURE(hwctx->device_features, shaderImageGatherExtended)
+    COPY_FEATURE(hwctx->device_features, shaderStorageImageReadWithoutFormat)
+    COPY_FEATURE(hwctx->device_features, shaderStorageImageWriteWithoutFormat)
     COPY_FEATURE(hwctx->device_features, fragmentStoresAndAtomics)
     COPY_FEATURE(hwctx->device_features, vertexPipelineStoresAndAtomics)
     COPY_FEATURE(hwctx->device_features, shaderInt64)