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vk: Fix a rare GPU timeline UAF when replacing buffer views

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- Might fix DEVICE_LOST errors observed on NV cards
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kd-11 2025-04-24 01:29:11 +03:00 • committed by kd-11
parent 417cefa059
commit ebcf403f4a
2 changed files with 3 additions and 0 deletions
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1
rpcs3/Emu/RSX/VK/VKGSRender.cpp
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@ -2195,6 +2195,7 @@ void VKGSRender::update_vertex_env(u32 id, const vk::vertex_upload_info& vertex_
const usz alloc_addr = m_vertex_layout_stream_info.offset;
const usz view_size = (alloc_addr + m_texbuffer_view_size) > m_vertex_layout_ring_info.size() ? m_vertex_layout_ring_info.size() - alloc_addr : m_texbuffer_view_size;
vk::get_resource_manager()->dispose(m_vertex_layout_storage);
m_vertex_layout_storage = std::make_unique<vk::buffer_view>(*m_device, m_vertex_layout_ring_info.heap->value, VK_FORMAT_R32G32_UINT, alloc_addr, view_size);
base_offset = 0;
}

2
rpcs3/Emu/RSX/VK/VKVertexBuffers.cpp
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@ -345,6 +345,7 @@ vk::vertex_upload_info VKGSRender::upload_vertex_data()
//View 64M blocks at a time (different drivers will only allow a fixed viewable heap size, 64M should be safe)
const usz view_size = (persistent_range_base + m_texbuffer_view_size) > m_attrib_ring_info.size() ? m_attrib_ring_info.size() - persistent_range_base : m_texbuffer_view_size;
vk::get_resource_manager()->dispose(m_persistent_attribute_storage);
m_persistent_attribute_storage = std::make_unique<vk::buffer_view>(*m_device, m_attrib_ring_info.heap->value, VK_FORMAT_R8_UINT, persistent_range_base, view_size);
persistent_range_base = 0;
}
@ -362,6 +363,7 @@ vk::vertex_upload_info VKGSRender::upload_vertex_data()
}
const usz view_size = (volatile_range_base + m_texbuffer_view_size) > m_attrib_ring_info.size() ? m_attrib_ring_info.size() - volatile_range_base : m_texbuffer_view_size;
vk::get_resource_manager()->dispose(m_volatile_attribute_storage);
m_volatile_attribute_storage = std::make_unique<vk::buffer_view>(*m_device, m_attrib_ring_info.heap->value, VK_FORMAT_R8_UINT, volatile_range_base, view_size);
volatile_range_base = 0;
}