1 /*
2 * Copyright © 2017, Google Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "v3dv_private.h"
25
26 #include <vndk/hardware_buffer.h>
27 #include <hardware/hardware.h>
28 #include <hardware/hwvulkan.h>
29
30 #include <vulkan/vk_icd.h>
31
32 #include "vk_android.h"
33 #include "vk_enum_defines.h"
34
35 #include "util/libsync.h"
36 #include "util/log.h"
37 #include "util/os_file.h"
38 #include "util/u_gralloc/u_gralloc.h"
39
40 static int
41 v3dv_hal_open(const struct hw_module_t *mod,
42 const char *id,
43 struct hw_device_t **dev);
44 static int
45 v3dv_hal_close(struct hw_device_t *dev);
46
47 static_assert(HWVULKAN_DISPATCH_MAGIC == ICD_LOADER_MAGIC, "");
48
49 PUBLIC struct hwvulkan_module_t HAL_MODULE_INFO_SYM = {
50 .common =
51 {
52 .tag = HARDWARE_MODULE_TAG,
53 .module_api_version = HWVULKAN_MODULE_API_VERSION_0_1,
54 .hal_api_version = HARDWARE_MAKE_API_VERSION(1, 0),
55 .id = HWVULKAN_HARDWARE_MODULE_ID,
56 .name = "Broadcom Vulkan HAL",
57 .author = "Mesa3D",
58 .methods =
59 &(hw_module_methods_t) {
60 .open = v3dv_hal_open,
61 },
62 },
63 };
64
65 static int
v3dv_hal_open(const struct hw_module_t * mod,const char * id,struct hw_device_t ** dev)66 v3dv_hal_open(const struct hw_module_t *mod,
67 const char *id,
68 struct hw_device_t **dev)
69 {
70 assert(mod == &HAL_MODULE_INFO_SYM.common);
71 assert(strcmp(id, HWVULKAN_DEVICE_0) == 0);
72
73 hwvulkan_device_t *hal_dev = malloc(sizeof(*hal_dev));
74 if (!hal_dev)
75 return -1;
76
77 *hal_dev = (hwvulkan_device_t){
78 .common =
79 {
80 .tag = HARDWARE_DEVICE_TAG,
81 .version = HWVULKAN_DEVICE_API_VERSION_0_1,
82 .module = &HAL_MODULE_INFO_SYM.common,
83 .close = v3dv_hal_close,
84 },
85 .EnumerateInstanceExtensionProperties =
86 v3dv_EnumerateInstanceExtensionProperties,
87 .CreateInstance = v3dv_CreateInstance,
88 .GetInstanceProcAddr = v3dv_GetInstanceProcAddr,
89 };
90
91 mesa_logi("v3dv: Warning: Android Vulkan implementation is experimental");
92
93 *dev = &hal_dev->common;
94 return 0;
95 }
96
97 static int
v3dv_hal_close(struct hw_device_t * dev)98 v3dv_hal_close(struct hw_device_t *dev)
99 {
100 /* hwvulkan.h claims that hw_device_t::close() is never called. */
101 return -1;
102 }
103