| /* |
| * Copyright 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWVULKAN_H |
| #define ANDROID_HWVULKAN_H |
| |
| #include <hardware/hardware.h> |
| #include <vulkan/vulkan.h> |
| |
| __BEGIN_DECLS |
| |
| #define HWVULKAN_HARDWARE_MODULE_ID "vulkan" |
| |
| #define HWVULKAN_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) |
| #define HWVULKAN_DEVICE_API_VERSION_0_1 HARDWARE_DEVICE_API_VERSION_2(0, 1, 0) |
| |
| #define HWVULKAN_DEVICE_0 "vk0" |
| |
| typedef struct hwvulkan_module_t { |
| struct hw_module_t common; |
| } hwvulkan_module_t; |
| |
| /* Dispatchable Vulkan object handles must be pointers, which must point to |
| * instances of hwvulkan_dispatch_t (potentially followed by additional |
| * implementation-defined data). On return from the creation function, the |
| * 'magic' field must contain HWVULKAN_DISPATCH_MAGIC; the loader will overwrite |
| * the 'vtbl' field. |
| * |
| * NOTE: The magic value and the layout of hwvulkan_dispatch_t match the LunarG |
| * loader used on platforms, to avoid pointless annoying differences for |
| * multi-platform drivers. Don't change them without a good reason. If there is |
| * an opportunity to change it, using a magic value that doesn't leave the |
| * upper 32-bits zero on 64-bit platforms would be nice. |
| */ |
| #define HWVULKAN_DISPATCH_MAGIC 0x01CDC0DE |
| typedef union { |
| uintptr_t magic; |
| const void* vtbl; |
| } hwvulkan_dispatch_t; |
| |
| /* A hwvulkan_device_t corresponds to an ICD on other systems. Currently there |
| * can only be one on a system (HWVULKAN_DEVICE_0). It is opened once per |
| * process when the Vulkan API is first used; the hw_device_t::close() function |
| * is called upon driver unloading. Any non-trivial resource allocation should |
| * be done when the VkInstance is created rather than when the hwvulkan_device_t |
| * is opened. |
| */ |
| typedef struct hwvulkan_device_t { |
| struct hw_device_t common; |
| |
| PFN_vkEnumerateInstanceExtensionProperties |
| EnumerateInstanceExtensionProperties; |
| PFN_vkCreateInstance CreateInstance; |
| PFN_vkGetInstanceProcAddr GetInstanceProcAddr; |
| } hwvulkan_device_t; |
| |
| __END_DECLS |
| |
| #endif // ANDROID_HWVULKAN_H |