vulkan/context: activate runtime array indexing and non-uniform accesses

We use them everywhere in Vulkan in FFmpeg now.

video/out/vulkan/context.c

@@ -350,6 +350,11 @@ pl_vulkan mppl_create_vulkan(struct vulkan_opts *opts,
         .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES,
         .pNext = &atomic_float_feature,
         .scalarBlockLayout = true,
+        .shaderUniformBufferArrayNonUniformIndexing = true,
+        .shaderSampledImageArrayNonUniformIndexing = true,
+        .shaderStorageBufferArrayNonUniformIndexing = true,
+        .shaderStorageImageArrayNonUniformIndexing = true,
+        .runtimeDescriptorArray = true,
         .shaderBufferInt64Atomics = true,
         .uniformBufferStandardLayout = true,
     };