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Merge pull request #4521 from lioncash/optionalcache

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gl_shader_disk_cache: Make use of std::nullopt where applicable
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bunnei 2020-08-21 23:56:55 -04:00 committed by GitHub
commit baff9ffcac
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 11 deletions
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23
src/video_core/renderer_opengl/gl_shader_disk_cache.cpp
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@ -214,20 +214,20 @@ std::optional<std::vector<ShaderDiskCacheEntry>> ShaderDiskCacheOpenGL::LoadTran
// Skip games without title id
const bool has_title_id = system.CurrentProcess()->GetTitleID() != 0;
if (!Settings::values.use_disk_shader_cache.GetValue() || !has_title_id) {
return {};
return std::nullopt;
}
Common::FS::IOFile file(GetTransferablePath(), "rb");
if (!file.IsOpen()) {
LOG_INFO(Render_OpenGL, "No transferable shader cache found");
is_usable = true;
return {};
return std::nullopt;
}
u32 version{};
if (file.ReadBytes(&version, sizeof(version)) != sizeof(version)) {
LOG_ERROR(Render_OpenGL, "Failed to get transferable cache version, skipping it");
return {};
return std::nullopt;
}
if (version < NativeVersion) {
@ -235,12 +235,12 @@ std::optional<std::vector<ShaderDiskCacheEntry>> ShaderDiskCacheOpenGL::LoadTran
file.Close();
InvalidateTransferable();
is_usable = true;
return {};
return std::nullopt;
}
if (version > NativeVersion) {
LOG_WARNING(Render_OpenGL, "Transferable shader cache was generated with a newer version "
"of the emulator, skipping");
return {};
return std::nullopt;
}
// Version is valid, load the shaders
@ -249,7 +249,7 @@ std::optional<std::vector<ShaderDiskCacheEntry>> ShaderDiskCacheOpenGL::LoadTran
ShaderDiskCacheEntry& entry = entries.emplace_back();
if (!entry.Load(file)) {
LOG_ERROR(Render_OpenGL, "Failed to load transferable raw entry, skipping");
return {};
return std::nullopt;
}
}
@ -290,12 +290,12 @@ std::optional<std::vector<ShaderDiskCachePrecompiled>> ShaderDiskCacheOpenGL::Lo
ShaderCacheVersionHash file_hash{};
if (!LoadArrayFromPrecompiled(file_hash.data(), file_hash.size())) {
precompiled_cache_virtual_file_offset = 0;
return {};
return std::nullopt;
}
if (GetShaderCacheVersionHash() != file_hash) {
LOG_INFO(Render_OpenGL, "Precompiled cache is from another version of the emulator");
precompiled_cache_virtual_file_offset = 0;
return {};
return std::nullopt;
}
std::vector<ShaderDiskCachePrecompiled> entries;
@ -305,15 +305,16 @@ std::optional<std::vector<ShaderDiskCachePrecompiled>> ShaderDiskCacheOpenGL::Lo
if (!LoadObjectFromPrecompiled(entry.unique_identifier) ||
!LoadObjectFromPrecompiled(entry.binary_format) ||
!LoadObjectFromPrecompiled(binary_size)) {
return {};
return std::nullopt;
}
entry.binary.resize(binary_size);
if (!LoadArrayFromPrecompiled(entry.binary.data(), entry.binary.size())) {
return {};
return std::nullopt;
}
}
return entries;
return std::move(entries);
}
void ShaderDiskCacheOpenGL::InvalidateTransferable() {