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71 lines
2.5 KiB
71 lines
2.5 KiB
/* |
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* Copyright 2015 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef ANDROID_HWVULKAN_H |
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#define ANDROID_HWVULKAN_H |
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#include <hardware/hardware.h> |
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#include <vulkan/vulkan.h> |
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__BEGIN_DECLS |
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#define HWVULKAN_HARDWARE_MODULE_ID "vulkan" |
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#define HWVULKAN_MODULE_API_VERSION_0_1 HARDWARE_MODULE_API_VERSION(0, 1) |
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#define HWVULKAN_DEVICE_API_VERSION_0_1 HARDWARE_DEVICE_API_VERSION_2(0, 1, 0) |
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#define HWVULKAN_DEVICE_0 "vk0" |
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typedef struct hwvulkan_module_t { |
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struct hw_module_t common; |
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} hwvulkan_module_t; |
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/* Dispatchable Vulkan object handles must be pointers, which must point to |
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* instances of hwvulkan_dispatch_t (potentially followed by additional |
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* implementation-defined data). On return from the creation function, the |
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* 'magic' field must contain HWVULKAN_DISPATCH_MAGIC; the loader will overwrite |
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* the 'vtbl' field. |
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* |
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* NOTE: The magic value and the layout of hwvulkan_dispatch_t match the LunarG |
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* loader used on platforms, to avoid pointless annoying differences for |
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* multi-platform drivers. Don't change them without a good reason. If there is |
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* an opportunity to change it, using a magic value that doesn't leave the |
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* upper 32-bits zero on 64-bit platforms would be nice. |
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*/ |
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#define HWVULKAN_DISPATCH_MAGIC 0x01CDC0DE |
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typedef union { |
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uintptr_t magic; |
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const void* vtbl; |
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} hwvulkan_dispatch_t; |
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/* A hwvulkan_device_t corresponds to an ICD on other systems. Currently there |
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* can only be one on a system (HWVULKAN_DEVICE_0). It is opened once per |
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* process when the Vulkan API is first used; the hw_device_t::close() function |
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* is never called. Any non-trivial resource allocation should be done when |
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* the VkInstance is created rather than when the hwvulkan_device_t is opened. |
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*/ |
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typedef struct hwvulkan_device_t { |
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struct hw_device_t common; |
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PFN_vkEnumerateInstanceExtensionProperties |
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EnumerateInstanceExtensionProperties; |
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PFN_vkCreateInstance CreateInstance; |
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PFN_vkGetInstanceProcAddr GetInstanceProcAddr; |
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} hwvulkan_device_t; |
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__END_DECLS |
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#endif // ANDROID_HWVULKAN_H
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