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GPU: Allow GpuToCpuAddress to return boost::none for unmapped addresses.

This commit is contained in:
Subv 2018-07-02 09:42:48 -05:00
parent 50ef2beb58
commit e9d147349b

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@ -100,9 +100,9 @@ boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
boost::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) { boost::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
VAddr base_addr = PageSlot(gpu_addr); VAddr base_addr = PageSlot(gpu_addr);
ASSERT(base_addr != static_cast<u64>(PageStatus::Unmapped));
if (base_addr == static_cast<u64>(PageStatus::Allocated)) { if (base_addr == static_cast<u64>(PageStatus::Allocated) ||
base_addr == static_cast<u64>(PageStatus::Unmapped)) {
return {}; return {};
} }