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community
godot
Commits
98f88a41
Unverified
Commit
98f88a41
authored
Mar 04, 2020
by
Rémi Verschelde
Committed by
GitHub
Mar 04, 2020
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Merge pull request #36585 from disks86/master
Enhanced physical device selection
parents
2eb8e3a4
4f3006e5
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1 changed file
with
33 additions
and
2 deletions
+33
-2
vulkan_context.cpp
drivers/vulkan/vulkan_context.cpp
+33
-2
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drivers/vulkan/vulkan_context.cpp
View file @
98f88a41
...
...
@@ -358,8 +358,39 @@ Error VulkanContext::_create_physical_device() {
free
(
physical_devices
);
ERR_FAIL_V
(
ERR_CANT_CREATE
);
}
/* for now, just grab the first physical device */
gpu
=
physical_devices
[
0
];
/*Find the first discrete GPU with the most VRAM.*/
{
print_line
(
"Selecting primary GPU."
);
VkPhysicalDeviceProperties
device_properties
;
VkPhysicalDeviceMemoryProperties
memory_properties
;
gpu
=
physical_devices
[
0
];
uint32_t
largest_vram_size
=
0
;
VkPhysicalDeviceType
gpu_type
=
VK_PHYSICAL_DEVICE_TYPE_OTHER
;
for
(
uint32_t
i
=
0
;
i
<
gpu_count
;
i
++
)
{
vkGetPhysicalDeviceProperties
(
physical_devices
[
i
],
&
device_properties
);
/*Skip virtual and CPU devices for now.*/
if
(
device_properties
.
deviceType
>
VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU
)
{
continue
;
}
vkGetPhysicalDeviceMemoryProperties
(
physical_devices
[
i
],
&
memory_properties
);
/*Total all heaps in case of 3GB+1GB configurations and similar.*/
uint32_t
memory_size
=
0
;
for
(
uint32_t
j
=
0
;
j
<
memory_properties
.
memoryHeapCount
;
j
++
)
{
memory_size
+=
memory_properties
.
memoryHeaps
[
j
].
size
;
}
if
((
device_properties
.
deviceType
>=
gpu_type
)
||
(
device_properties
.
deviceType
==
gpu_type
&&
memory_size
>
largest_vram_size
))
{
gpu
=
physical_devices
[
i
];
gpu_type
=
device_properties
.
deviceType
;
largest_vram_size
=
memory_size
;
print_line
(
device_properties
.
deviceName
);
}
}
}
free
(
physical_devices
);
/* Look for device extensions */
...
...
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