The-Homebrew-Cloud/skyline
2
0
Fork 0
mirror of https://github.com/skyline-emu/skyline.git synced 2024-11-30 07:04:17 +01:00
Code Issues Packages Projects Releases Wiki Activity

Use shader memory mirror when reading guest shaders

Browse Source 
Avoids triggering any traps that may be present on the region
This commit is contained in:
Billy Laws 2022-10-16 20:59:14 +01:00
parent f6e4328b5a
commit e483cf9634
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
app/src/main/cpp/skyline/gpu/interconnect/maxwell_3d/pipeline_state.cpp
View File

@ -305,8 +305,11 @@ namespace skyline::gpu::interconnect::maxwell3d {
return;
}
// entry->mirror may not be a direct mirror of blockMapping and may just contain it as a subregion, so we need to explicitly calculate the offset
span<u8> blockMappingMirror{blockMapping.data() - mirrorBlock.data() + entry->mirror.data(), blockMapping.size()};
// If nothing was in the cache then do a full shader parse
auto guest{[](span<u8> mapping) {
binary.binary = [](span<u8> mapping) {
// We attempt to find the shader size by looking for "BRA $" (Infinite Loop) which is used as padding at the end of the shader
// UAM Shader Compiler Reference: https://github.com/devkitPro/uam/blob/5a5afc2bae8b55409ab36ba45be63fcb73f68993/source/compiler_iface.cpp#L319-L351
constexpr u64 BraSelf1{0xE2400FFFFF87000F}, BraSelf2{0xE2400FFFFF07000F};
@ -320,12 +323,10 @@ namespace skyline::gpu::interconnect::maxwell3d {
}
return span<u8>{};
}(blockMapping.subspan(blockOffset))};
}(blockMappingMirror.subspan(blockOffset));
binary.baseOffset = engine->pipeline.programOffset;
hash = XXH64(guest.data(), guest.size_bytes(), 0);
binary.binary = {guest.data() - mirrorBlock.data() + entry->mirror.data(), guest.size()};
hash = XXH64(binary.binary.data(), binary.binary.size_bytes(), 0);
entry->cache.insert({blockMapping.data() + blockOffset, CacheEntry{binary, hash}});
}