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vk: Fall back to host-visible pool if we cannot place resources in Re-BAR pool

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kd-11
2025-11-24 23:40:58 +03:00
committed by kd-11
parent 7986ee58de
commit b451dfe877
1 changed files with 40 additions and 2 deletions
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rpcs3/Emu/RSX/VK/vkutils/data_heap.cpp
+40 -2
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@@ -47,9 +47,28 @@ namespace vk
usage |= VK_BUFFER_USAGE_TRANSFER_DST_BIT;
memory_flags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
memory_index = memory_map.device_local;
m_prefer_writethrough = false;
}
heap = std::make_unique<buffer>(*g_render_device, size, memory_index, memory_flags, usage, 0, VMM_ALLOCATION_POOL_SYSTEM);
VkFlags create_flags = 0;
if (m_prefer_writethrough)
{
create_flags |= VK_BUFFER_CREATE_ALLOW_NULL_RPCS3;
}
heap = std::make_unique<buffer>(*g_render_device, size, memory_index, memory_flags, usage, create_flags, VMM_ALLOCATION_POOL_SYSTEM);
if (!heap->value)
{
rsx_log.warning("Could not place heap '%s' into Re-BAR memory. Will attempt to use regular host-visible memory.", m_name);
ensure(m_prefer_writethrough);
// We failed to place the buffer in rebar memory. Try again in host-visible.
m_prefer_writethrough = false;
auto gc = get_resource_manager();
gc->dispose(heap);
heap = std::make_unique<buffer>(*g_render_device, size, memory_map.host_visible_coherent, memory_flags, usage, 0, VMM_ALLOCATION_POOL_SYSTEM);
}
initial_size = size;
notify_on_grow = bool(notify);
@@ -112,6 +131,7 @@ namespace vk
auto gc = get_resource_manager();
if (shadow)
{
ensure(!m_prefer_writethrough);
rsx_log.warning("Buffer usage %u is not heap-compatible using this driver, explicit staging buffer in use", usage);
gc->dispose(shadow);
@@ -122,7 +142,25 @@ namespace vk
}
gc->dispose(heap);
heap = std::make_unique<buffer>(*g_render_device, aligned_new_size, memory_index, memory_flags, usage, 0, VMM_ALLOCATION_POOL_SYSTEM);
VkFlags create_flags = 0;
if (m_prefer_writethrough)
{
create_flags |= VK_BUFFER_CREATE_ALLOW_NULL_RPCS3;
}
heap = std::make_unique<buffer>(*g_render_device, aligned_new_size, memory_index, memory_flags, usage, create_flags, VMM_ALLOCATION_POOL_SYSTEM);
if (!heap->value)
{
rsx_log.warning("Could not place heap '%s' into Re-BAR memory. Will attempt to use regular host-visible memory.", m_name);
ensure(m_prefer_writethrough);
// We failed to place the buffer in rebar memory. Try again in host-visible.
m_prefer_writethrough = false;
gc->dispose(heap);
heap = std::make_unique<buffer>(*g_render_device, aligned_new_size, memory_map.host_visible_coherent, memory_flags, usage, 0, VMM_ALLOCATION_POOL_SYSTEM);
}
if (notify_on_grow)
{