matrixfurry.com
The open source OpenXR runtime
a/android: add ahardwarebuffer_is_supported function
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2407>
authored by
Simon Zeni
and committed by
korejan
fad04551
4f3c9bb2
+1
doc/changes/auxiliary/mr.2407.md
+1
doc/changes/auxiliary/mr.2407.md
···
···
1
+
a/android: add ahardwarebuffer_is_supported function for format checking
+52
-1
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.c
+52
-1
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.c
···
1
-
// Copyright 2020, Collabora, Ltd.
2
// SPDX-License-Identifier: BSL-1.0
3
/*!
4
* @file
5
* @brief AHardwareBuffer backed image buffer allocator.
6
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
7
* @ingroup aux_android
8
*/
9
···
46
case VK_FORMAT_R8G8B8A8_UNORM: return AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
47
default: return 0;
48
}
49
}
50
51
xrt_result_t
···
1
+
// Copyright 2020-2025, Collabora, Ltd.
2
// SPDX-License-Identifier: BSL-1.0
3
/*!
4
* @file
5
* @brief AHardwareBuffer backed image buffer allocator.
6
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
7
+
* @author Simon Zeni <simon.zeni@collabora.com>
8
* @ingroup aux_android
9
*/
10
···
47
case VK_FORMAT_R8G8B8A8_UNORM: return AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM;
48
default: return 0;
49
}
50
+
}
51
+
52
+
static uint64_t
53
+
swapchain_usage_to_ahardwarebuffer(enum xrt_swapchain_usage_bits bits)
54
+
{
55
+
uint64_t ahb_usage = 0;
56
+
if (bits & (XRT_SWAPCHAIN_USAGE_SAMPLED | XRT_SWAPCHAIN_USAGE_INPUT_ATTACHMENT)) {
57
+
ahb_usage |= AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
58
+
}
59
+
60
+
if (bits & (XRT_SWAPCHAIN_USAGE_COLOR | XRT_SWAPCHAIN_USAGE_DEPTH_STENCIL)) {
61
+
ahb_usage |= AHARDWAREBUFFER_USAGE_GPU_FRAMEBUFFER;
62
+
}
63
+
64
+
if (bits & XRT_SWAPCHAIN_CREATE_PROTECTED_CONTENT) {
65
+
ahb_usage |= AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT;
66
+
}
67
+
68
+
// Fallback if no bits are set
69
+
if (ahb_usage == 0) {
70
+
ahb_usage = AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE;
71
+
}
72
+
73
+
return ahb_usage;
74
+
}
75
+
76
+
bool
77
+
ahardwarebuffer_is_supported(uint64_t format, enum xrt_swapchain_usage_bits xbits)
78
+
{
79
+
// Minimal buffer description to probe support
80
+
AHardwareBuffer_Desc desc = {
81
+
.width = 16,
82
+
.height = 16,
83
+
.layers = 1,
84
+
.format = vk_format_to_ahardwarebuffer(format),
85
+
.usage = swapchain_usage_to_ahardwarebuffer(xbits),
86
+
};
87
+
88
+
#if __ANDROID_API__ >= 29
89
+
return AHardwareBuffer_isSupported(&desc);
90
+
#else
91
+
AHardwareBuffer *buffer;
92
+
int ret = AHardwareBuffer_allocate(&desc, &buffer);
93
+
if (ret) {
94
+
return false;
95
+
}
96
+
97
+
AHardwareBuffer_release(buffer);
98
+
return true;
99
+
#endif
100
}
101
102
xrt_result_t
+5
-1
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.h
+5
-1
src/xrt/auxiliary/android/android_ahardwarebuffer_allocator.h
···
1
-
// Copyright 2020, Collabora, Ltd.
2
// SPDX-License-Identifier: BSL-1.0
3
/*!
4
* @file
5
* @brief Header exposing factory function for AHardwareBuffer backed image
6
buffer allocator.
7
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
8
* @ingroup aux_android
9
*/
10
···
24
25
xrt_result_t
26
ahardwarebuffer_image_allocate(const struct xrt_swapchain_create_info *xsci, xrt_graphics_buffer_handle_t *out_image);
27
28
#endif // XRT_GRAPHICS_BUFFER_HANDLE_IS_AHARDWAREBUFFER
29
···
1
+
// Copyright 2020-2025, Collabora, Ltd.
2
// SPDX-License-Identifier: BSL-1.0
3
/*!
4
* @file
5
* @brief Header exposing factory function for AHardwareBuffer backed image
6
buffer allocator.
7
* @author Rylie Pavlik <rylie.pavlik@collabora.com>
8
+
* @author Simon Zeni <simon.zeni@collabora.com>
9
* @ingroup aux_android
10
*/
11
···
25
26
xrt_result_t
27
ahardwarebuffer_image_allocate(const struct xrt_swapchain_create_info *xsci, xrt_graphics_buffer_handle_t *out_image);
28
+
29
+
bool
30
+
ahardwarebuffer_is_supported(uint64_t format, enum xrt_swapchain_usage_bits xbits);
31
32
#endif // XRT_GRAPHICS_BUFFER_HANDLE_IS_AHARDWAREBUFFER
33