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video_core/memory_manager: Make FindFreeRegion() a const member function 

This doesn't modify internal state, so it can be made a const member
function.
This commit is contained in:
Lioncash 2019-04-05 20:22:53 -04:00
parent 9dec087fca
commit 085b388a7a
2 changed files with 10 additions and 9 deletions
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17
src/video_core/memory_manager.cpp
View File

@ -77,16 +77,17 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
return gpu_addr;
}
GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size) {
GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size) const {
// Find the first Free VMA.
const VMAHandle vma_handle{std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
if (vma.second.type != VirtualMemoryArea::Type::Unmapped) {
return false;
}
const VMAHandle vma_handle{
std::find_if(vma_map.begin(), vma_map.end(), [region_start, size](const auto& vma) {
if (vma.second.type != VirtualMemoryArea::Type::Unmapped) {
return false;
}
const VAddr vma_end{vma.second.base + vma.second.size};
return vma_end > region_start && vma_end >= region_start + size;
})};
const VAddr vma_end{vma.second.base + vma.second.size};
return vma_end > region_start && vma_end >= region_start + size;
})};
if (vma_handle == vma_map.end()) {
return {};

2
src/video_core/memory_manager.h
View File

@ -127,7 +127,7 @@ private:
void UpdatePageTableForVMA(const VirtualMemoryArea& vma);
/// Finds a free (unmapped region) of the specified size starting at the specified address.
GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size);
GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size) const;
private:
static constexpr u64 page_bits{16};