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authorLioncash <mathew1800@gmail.com>2020-09-22 23:31:53 +0200
committerLioncash <mathew1800@gmail.com>2020-09-22 23:32:33 +0200
commitff45c3957858cdf189b73e11550da06fe4337b8e (patch)
tree288ff1cc4677d6511ed8cc7e1b0db20ce2d2590f /src/video_core/texture_cache
parentMerge pull request #4697 from lioncash/copy5 (diff)
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Diffstat (limited to 'src/video_core/texture_cache')
-rw-r--r--src/video_core/texture_cache/surface_base.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/video_core/texture_cache/surface_base.cpp b/src/video_core/texture_cache/surface_base.cpp
index dfcf36e0b..b44c09d71 100644
--- a/src/video_core/texture_cache/surface_base.cpp
+++ b/src/video_core/texture_cache/surface_base.cpp
@@ -115,20 +115,24 @@ std::optional<std::pair<u32, u32>> SurfaceBaseImpl::GetLayerMipmap(
if (gpu_addr == candidate_gpu_addr) {
return {{0, 0}};
}
+
if (candidate_gpu_addr < gpu_addr) {
- return {};
+ return std::nullopt;
}
+
const auto relative_address{static_cast<GPUVAddr>(candidate_gpu_addr - gpu_addr)};
const auto layer{static_cast<u32>(relative_address / layer_size)};
if (layer >= params.depth) {
- return {};
+ return std::nullopt;
}
+
const GPUVAddr mipmap_address = relative_address - layer_size * layer;
const auto mipmap_it =
Common::BinaryFind(mipmap_offsets.begin(), mipmap_offsets.end(), mipmap_address);
if (mipmap_it == mipmap_offsets.end()) {
- return {};
+ return std::nullopt;
}
+
const auto level{static_cast<u32>(std::distance(mipmap_offsets.begin(), mipmap_it))};
return std::make_pair(layer, level);
}