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memory_manager: Add a method for querying the end of a mapped GPU region.

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This commit is contained in:
bunnei 2018-10-12 21:52:16 -04:00
parent 0be7e82289
commit 37575eae65
2 changed files with 11 additions and 0 deletions
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10
src/video_core/memory_manager.cpp
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@ -87,6 +87,16 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
return gpu_addr; return gpu_addr;
} }
GPUVAddr MemoryManager::GetRegionEnd(GPUVAddr region_start) const {
for (const auto& region : mapped_regions) {
const GPUVAddr region_end{region.gpu_addr + region.size};
if (region_start >= region.gpu_addr && region_start < region_end) {
return region_end;
}
}
return {};
}
boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) { boost::optional<GPUVAddr> MemoryManager::FindFreeBlock(u64 size, u64 align) {
GPUVAddr gpu_addr = 0; GPUVAddr gpu_addr = 0;
u64 free_space = 0; u64 free_space = 0;

1
src/video_core/memory_manager.h
View file

@ -26,6 +26,7 @@ public:
GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size); GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size);
GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size); GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr gpu_addr, u64 size);
GPUVAddr UnmapBuffer(GPUVAddr gpu_addr, u64 size); GPUVAddr UnmapBuffer(GPUVAddr gpu_addr, u64 size);
GPUVAddr GetRegionEnd(GPUVAddr region_start) const;
boost::optional<VAddr> GpuToCpuAddress(GPUVAddr gpu_addr); boost::optional<VAddr> GpuToCpuAddress(GPUVAddr gpu_addr);
std::vector<GPUVAddr> CpuToGpuAddress(VAddr cpu_addr) const; std::vector<GPUVAddr> CpuToGpuAddress(VAddr cpu_addr) const;