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memory_manager: Add a method for querying the end of a mapped GPU region.
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2 changed files with 11 additions and 0 deletions
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@ -87,6 +87,16 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
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return gpu_addr;
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}
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GPUVAddr MemoryManager::GetRegionEnd(GPUVAddr region_start) const {
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for (const auto& region : mapped_regions) {
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const GPUVAddr region_end{region.gpu_addr + region.size};
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if (region_start >= region.gpu_addr && region_start < region_end) {
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return region_end;
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}
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}
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return {};
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}
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boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
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GPUVAddr gpu_addr = 0;
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u64 free_space = 0;
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@ -26,6 +26,7 @@ public:
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GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size);
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GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size);
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GPUVAddr UnmapBuffer(GPUVAddr gpu_addr, u64 size);
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GPUVAddr GetRegionEnd(GPUVAddr region_start) const;
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boost::optional<VAddr> GpuToCpuAddress(GPUVAddr gpu_addr);
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std::vector<GPUVAddr> CpuToGpuAddress(VAddr cpu_addr) const;
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