vk_android_native_buffer.h revision b8e80941 
1/*
2 * Copyright 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef __VK_ANDROID_NATIVE_BUFFER_H__
18#define __VK_ANDROID_NATIVE_BUFFER_H__
19
20/* MESA: A hack to avoid #ifdefs in driver code. */
21#ifdef ANDROID
22#include <system/window.h>
23#include <vulkan/vulkan.h>
24#else
25typedef void *buffer_handle_t;
26#endif
27
28#ifdef __cplusplus
29extern "C" {
30#endif
31
32#define VK_ANDROID_native_buffer 1
33
34#define VK_ANDROID_NATIVE_BUFFER_EXTENSION_NUMBER 11
35#define VK_ANDROID_NATIVE_BUFFER_SPEC_VERSION     5
36#define VK_ANDROID_NATIVE_BUFFER_EXTENSION_NAME   "VK_ANDROID_native_buffer"
37
38#define VK_ANDROID_NATIVE_BUFFER_ENUM(type,id)    ((type)(1000000000 + (1000 * (VK_ANDROID_NATIVE_BUFFER_EXTENSION_NUMBER - 1)) + (id)))
39#define VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID   VK_ANDROID_NATIVE_BUFFER_ENUM(VkStructureType, 0)
40
41typedef struct {
42    VkStructureType             sType; // must be VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID
43    const void*                 pNext;
44
45    // Buffer handle and stride returned from gralloc alloc()
46    buffer_handle_t             handle;
47    int                         stride;
48
49    // Gralloc format and usage requested when the buffer was allocated.
50    int                         format;
51    int                         usage;
52} VkNativeBufferANDROID;
53
54typedef VkResult (VKAPI_PTR *PFN_vkGetSwapchainGrallocUsageANDROID)(VkDevice device, VkFormat format, VkImageUsageFlags imageUsage, int* grallocUsage);
55typedef VkResult (VKAPI_PTR *PFN_vkAcquireImageANDROID)(VkDevice device, VkImage image, int nativeFenceFd, VkSemaphore semaphore, VkFence fence);
56typedef VkResult (VKAPI_PTR *PFN_vkQueueSignalReleaseImageANDROID)(VkQueue queue, uint32_t waitSemaphoreCount, const VkSemaphore* pWaitSemaphores, VkImage image, int* pNativeFenceFd);
57
58#ifndef VK_NO_PROTOTYPES
59VKAPI_ATTR VkResult VKAPI_CALL vkGetSwapchainGrallocUsageANDROID(
60    VkDevice            device,
61    VkFormat            format,
62    VkImageUsageFlags   imageUsage,
63    int*                grallocUsage
64);
65VKAPI_ATTR VkResult VKAPI_CALL vkAcquireImageANDROID(
66    VkDevice            device,
67    VkImage             image,
68    int                 nativeFenceFd,
69    VkSemaphore         semaphore,
70    VkFence             fence
71);
72VKAPI_ATTR VkResult VKAPI_CALL vkQueueSignalReleaseImageANDROID(
73    VkQueue             queue,
74    uint32_t            waitSemaphoreCount,
75    const VkSemaphore*  pWaitSemaphores,
76    VkImage             image,
77    int*                pNativeFenceFd
78);
79// -- DEPRECATED --
80VKAPI_ATTR VkResult VKAPI_CALL vkImportNativeFenceANDROID(
81    VkDevice            device,
82    VkSemaphore         semaphore,
83    int                 nativeFenceFd
84);
85VKAPI_ATTR VkResult VKAPI_CALL vkQueueSignalNativeFenceANDROID(
86    VkQueue             queue,
87    int*                pNativeFenceFd
88);
89// ----------------
90#endif
91
92#ifdef __cplusplus
93}
94#endif
95
96#endif // __VK_ANDROID_NATIVE_BUFFER_H__
97