mirror/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2024-12-28 09:23:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

vk: Better VRAM heap selection by memory properties (AMD)

Browse Source
This commit is contained in:
raven02 2016-06-19 13:49:25 +08:00 committed by GitHub
parent 244f3dfb89
commit 298c9fea22
1 changed files with 25 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
rpcs3/Emu/RSX/VK/VKHelpers.cpp
View File

@ -43,15 +43,38 @@ namespace vk
result.device_local = VK_MAX_MEMORY_TYPES;
result.host_visible_coherent = VK_MAX_MEMORY_TYPES;
bool host_visible_cached = false;
u32 host_visible_vram_size = 0;
u32 device_local_vram_size = 0;
for (u32 i = 0; i < memory_properties.memoryTypeCount; i++)
{
VkMemoryHeap &heap = memory_properties.memoryHeaps[memory_properties.memoryTypes[i].heapIndex];
bool is_device_local = !!(memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
if (is_device_local)
result.device_local = i;
{
if (device_local_vram_size < heap.size)
{
result.device_local = i;
device_local_vram_size = heap.size;
}
}
bool is_host_visible = !!(memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
bool is_host_coherent = !!(memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
bool is_cached = !!(memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT);
if (is_host_coherent && is_host_visible)
result.host_visible_coherent = i;
{
if ((is_cached && !host_visible_cached) ||
(host_visible_vram_size < heap.size))
{
result.host_visible_coherent = i;
host_visible_vram_size = heap.size;
host_visible_cached = is_cached;
}
}
}
if (result.device_local == VK_MAX_MEMORY_TYPES) throw EXCEPTION("GPU doesn't support device local memory");