memory_manager: Allow GpuToCpuAddress to return a zero address.

- Rationale: It's up to the caller to handle this or assert.
2018-06-30 02:32:33 -04:00
parent ee67baba48
commit 3c7619ce84
1 changed files with 3 additions and 2 deletions
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -100,9 +100,10 @@ boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {

 boost::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr gpu_addr) {
    VAddr base_addr = PageSlot(gpu_addr);
-    ASSERT(base_addr != static_cast<u64>(PageStatus::Unmapped));

-    if (base_addr == static_cast<u64>(PageStatus::Allocated)) {
+    switch (static_cast<PageStatus>(base_addr)) {
+    case PageStatus::Unmapped:
+    case PageStatus::Allocated:
        return {};
    }