[Perf] (DirectVulkan): reuse pipelines across per-chunk buffers and skip redundant pipeline binds

This commit is contained in:
2026-07-30 05:01:46 -04:00
parent 0b344792cc
commit a12068df52
4 changed files with 98 additions and 41 deletions
@@ -177,6 +177,22 @@ namespace MobileGL::MG_Backend::DirectVulkan {
entry.lastUsedFrameBoundary = m_frameBoundaryCounter;
entry.bindings = builder.GetBindings();
entry.attributes = builder.GetAttributes();
// See the layoutHash declaration: hash only the resolved layout, never
// buffer identities, so identical layouts across VAOs/buffers agree.
XXHASH_VERIFY(XXH64_reset(m_hashState, 0));
for (const auto& binding : entry.bindings) {
XXHASH_VERIFY(XXH64_update(m_hashState, &binding.binding, sizeof(binding.binding)));
XXHASH_VERIFY(XXH64_update(m_hashState, &binding.stride, sizeof(binding.stride)));
XXHASH_VERIFY(XXH64_update(m_hashState, &binding.inputRate, sizeof(binding.inputRate)));
}
for (const auto& attribute : entry.attributes) {
XXHASH_VERIFY(XXH64_update(m_hashState, &attribute.location, sizeof(attribute.location)));
XXHASH_VERIFY(XXH64_update(m_hashState, &attribute.binding, sizeof(attribute.binding)));
XXHASH_VERIFY(XXH64_update(m_hashState, &attribute.format, sizeof(attribute.format)));
XXHASH_VERIFY(XXH64_update(m_hashState, &attribute.offset, sizeof(attribute.offset)));
}
XXHASH_VERIFY(XXH64_update(m_hashState, &unsupportedAttribMask, sizeof(unsupportedAttribMask)));
entry.layoutHash = XXH64_digest(m_hashState);
entry.bindingBufferKeys = std::move(bindingBufferKeys);
entry.bindingBaseOffsets = std::move(bindingBaseOffsets);
entry.bindingAttributeLocations = std::move(bindingAttributeLocations);