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#include <system/window.h>
21#include <vulkan/vulkan.h>
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27#define VK_ANDROID_native_buffer 1
28
29#define VK_ANDROID_NATIVE_BUFFER_EXTENSION_NUMBER 11
30#define VK_ANDROID_NATIVE_BUFFER_SPEC_VERSION     5
31#define VK_ANDROID_NATIVE_BUFFER_EXTENSION_NAME   "VK_ANDROID_native_buffer"
32
33#define VK_ANDROID_NATIVE_BUFFER_ENUM(type,id)    ((type)(1000000000 + (1000 * (VK_ANDROID_NATIVE_BUFFER_EXTENSION_NUMBER - 1)) + (id)))
34#define VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID   VK_ANDROID_NATIVE_BUFFER_ENUM(VkStructureType, 0)
35
36typedef struct {
37    VkStructureType             sType; // must be VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID
38    const void*                 pNext;
39
40    // Buffer handle and stride returned from gralloc alloc()
41    buffer_handle_t             handle;
42    int                         stride;
43
44    // Gralloc format and usage requested when the buffer was allocated.
45    int                         format;
46    int                         usage;
47} VkNativeBufferANDROID;
48
49typedef VkResult (VKAPI_PTR *PFN_vkGetSwapchainGrallocUsageANDROID)(VkDevice device, VkFormat format, VkImageUsageFlags imageUsage, int* grallocUsage);
50typedef VkResult (VKAPI_PTR *PFN_vkAcquireImageANDROID)(VkDevice device, VkImage image, int nativeFenceFd, VkSemaphore semaphore, VkFence fence);
51typedef VkResult (VKAPI_PTR *PFN_vkQueueSignalReleaseImageANDROID)(VkQueue queue, uint32_t waitSemaphoreCount, const VkSemaphore* pWaitSemaphores, VkImage image, int* pNativeFenceFd);
52
53#ifndef VK_NO_PROTOTYPES
54VKAPI_ATTR VkResult VKAPI_CALL vkGetSwapchainGrallocUsageANDROID(
55    VkDevice            device,
56    VkFormat            format,
57    VkImageUsageFlags   imageUsage,
58    int*                grallocUsage
59);
60VKAPI_ATTR VkResult VKAPI_CALL vkAcquireImageANDROID(
61    VkDevice            device,
62    VkImage             image,
63    int                 nativeFenceFd,
64    VkSemaphore         semaphore,
65    VkFence             fence
66);
67VKAPI_ATTR VkResult VKAPI_CALL vkQueueSignalReleaseImageANDROID(
68    VkQueue             queue,
69    uint32_t            waitSemaphoreCount,
70    const VkSemaphore*  pWaitSemaphores,
71    VkImage             image,
72    int*                pNativeFenceFd
73);
74// -- DEPRECATED --
75VKAPI_ATTR VkResult VKAPI_CALL vkImportNativeFenceANDROID(
76    VkDevice            device,
77    VkSemaphore         semaphore,
78    int                 nativeFenceFd
79);
80VKAPI_ATTR VkResult VKAPI_CALL vkQueueSignalNativeFenceANDROID(
81    VkQueue             queue,
82    int*                pNativeFenceFd
83);
84// ----------------
85#endif
86
87#ifdef __cplusplus
88}
89#endif
90
91#endif // __VK_ANDROID_NATIVE_BUFFER_H__
92