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Fix -Wclass-memaccess warnings

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We want to clear/memset the padding bytes, not just each member,
so using assignment or {} initialization is not an option.

To silence the warnings, cast the object pointer to u8* (which is not
undefined behavior) to make it explicit to the compiler that we want
to fill the object representation.
This commit is contained in:
Léo Lam
2020-12-16 15:01:20 +01:00
parent 5a5c22dc6c
commit eafe005672
5 changed files with 8 additions and 8 deletions
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2
Source/Core/VideoCommon/BPStructs.cpp
View File

@ -43,7 +43,7 @@ static const float s_gammaLUT[] = {1.0f, 1.7f, 2.2f, 1.0f};
void BPInit()
{
memset(&bpmem, 0, sizeof(bpmem));
memset(reinterpret_cast<u8*>(&bpmem), 0, sizeof(bpmem));
bpmem.bpMask = 0xFFFFFF;
}

2
Source/Core/VideoCommon/ShaderCache.cpp
View File

@ -188,7 +188,7 @@ template <typename SerializedUidType, typename UidType>
static void SerializePipelineUid(const UidType& uid, SerializedUidType& serialized_uid)
{
// Convert to disk format. Ensure all padding bytes are zero.
std::memset(&serialized_uid, 0, sizeof(serialized_uid));
std::memset(reinterpret_cast<u8*>(&serialized_uid), 0, sizeof(serialized_uid));
serialized_uid.vertex_decl = uid.vertex_format->GetVertexDeclaration();
serialized_uid.vs_uid = uid.vs_uid;
serialized_uid.gs_uid = uid.gs_uid;

4
Source/Core/VideoCommon/VideoBackendBase.cpp
View File

@ -295,8 +295,8 @@ void VideoBackendBase::DoState(PointerWrap& p)
void VideoBackendBase::InitializeShared()
{
memset(&g_main_cp_state, 0, sizeof(g_main_cp_state));
memset(&g_preprocess_cp_state, 0, sizeof(g_preprocess_cp_state));
memset(reinterpret_cast<u8*>(&g_main_cp_state), 0, sizeof(g_main_cp_state));
memset(reinterpret_cast<u8*>(&g_preprocess_cp_state), 0, sizeof(g_preprocess_cp_state));
memset(texMem, 0, TMEM_SIZE);
// do not initialize again for the config window