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[Feat|Perf] (*/BufferState): Improve dirty mark for Buffer.

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This commit is contained in:
BZLZHH
2026-02-02 02:25:41 +08:00
parent 91650e29c5
commit 0cf9d9223d
41 changed files with 908 additions and 678 deletions
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MobileGL/MG_State/GLState/BufferState/BufferObject.cpp
+41 -11
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@@ -14,14 +14,18 @@ namespace MobileGL {
namespace GLState {
BufferObject::BufferObject(Uint externalIndex)
: m_externalIndex(externalIndex), m_size(0), m_usage(BufferUsage::StaticDraw), m_isMapped(false),
m_mappingAccess(BufferMappingAccessBit::Null), m_dirtyRange({0, 0}), m_mappedRange({0, 0}),
m_dataPtr(MakeShared<Data>()) {}
m_mappingAccess(BufferMappingAccessBit::Null),
m_change(BufferChangeBits::DirtyBit | BufferChangeBits::PreferReallocationBit), m_mappedRange({0, 0}),
m_dataPtr(MakeShared<Data>()) {
m_change.DirtyRanges.reserve(BufferChange::DEFAULT_RESERVED_DIRTY_RANGES_COUNT);
}
void BufferObject::Resize(SizeT size) {
m_size = size;
m_dataPtr->reserve(std::bit_ceil(size)); // power-of-2 reserve
m_dataPtr->resize(size);
m_dirtyRange = {0, 0};
m_change.Bits |= BufferChangeBits::DirtyBit;
m_change.Bits |= BufferChangeBits::PreferReallocationBit;
}
void BufferObject::UploadData(DataPtr data, SizeT atOffset) {
@@ -30,7 +34,14 @@ namespace MobileGL {
data.size, m_size);
MOBILEGL_ASSERT(!m_isMapped, "Cannot upload data while buffer is mapped.");
Memcpy(m_dataPtr->data() + atOffset, data.data, data.size);
m_dirtyRange.UnionUpdate(atOffset, atOffset + data.size);
m_change.DirtyRanges.Add({atOffset, atOffset + data.size});
m_change.Bits |= BufferChangeBits::DirtyBit;
m_change.Bits |= BufferChangeBits::ForbidInvalidationBit;
m_change.Bits |= BufferChangeBits::ForbidUnsynchronizationBit;
// This function may be called by `glBufferData`, but we still set the forbid bits above,
// because when `PreferReallocationBit` is set, those bits are ignored anyway.
// The bits can fit the `glBufferSubData` semantics
// (though `glBufferSubData` calls `UploadSubData` instead).
}
void BufferObject::SetUsage(BufferUsage usage) {
@@ -44,7 +55,8 @@ namespace MobileGL {
if (!(m_mappingAccess & BufferMappingAccessBit::FlushExplicit)) { // if we didn't flush explicitly
Memcpy(m_dataPtr->data() + m_mappedRange.start, m_stagingData.data(),
m_mappedRange.end - m_mappedRange.start);
m_dirtyRange.UnionUpdate(m_mappedRange.start, m_mappedRange.end);
m_change.DirtyRanges.Add({m_mappedRange.start, m_mappedRange.end});
m_change.Bits |= BufferChangeBits::DirtyBit;
}
m_stagingData.clear();
@@ -69,7 +81,8 @@ namespace MobileGL {
"Flush range out of bounds: mappedRange.end (%zu) < end (%zu)", m_mappedRange.end, end);
Memcpy(m_dataPtr->data() + start, m_stagingData.data() + offset, length);
m_dirtyRange.UnionUpdate(start, end);
m_change.DirtyRanges.Add({start, end});
m_change.Bits |= BufferChangeBits::DirtyBit;
}
void BufferObject::UploadSubData(DataPtr data, SizeT atOffset) {
@@ -79,7 +92,10 @@ namespace MobileGL {
atOffset, data.size, m_size);
Memcpy(m_dataPtr->data() + atOffset, data.data, data.size);
m_dirtyRange.UnionUpdate(atOffset, atOffset + data.size);
m_change.DirtyRanges.Add({atOffset, atOffset + data.size});
m_change.Bits |= BufferChangeBits::DirtyBit;
m_change.Bits |= BufferChangeBits::ForbidInvalidationBit;
m_change.Bits |= BufferChangeBits::ForbidUnsynchronizationBit;
}
void BufferObject::CopyDataFrom(const SharedPtr<BufferObject>& src, SizeT srcOffset, SizeT dstOffset,
@@ -95,7 +111,8 @@ namespace MobileGL {
const Uint8* srcData = src->m_dataPtr->data() + srcOffset;
Memcpy(m_dataPtr->data() + dstOffset, srcData, size);
m_dirtyRange.UnionUpdate(dstOffset, dstOffset + size);
m_change.DirtyRanges.Add({dstOffset, dstOffset + size});
m_change.Bits |= BufferChangeBits::DirtyBit;
}
void* BufferObject::AcquireMemory(Bool markMapped, Bool read, Bool write) {
@@ -144,6 +161,14 @@ namespace MobileGL {
m_ownsStagingData = false;
return m_dataPtr->data() + range.start;
}
m_change.Bits |= !(access & BufferMappingAccessBit::InvalidateBuffer ||
access & BufferMappingAccessBit::InvalidateRange)
? BufferChangeBits::ForbidInvalidationBit
: BufferChangeBits::None;
m_change.Bits |= !(access & BufferMappingAccessBit::Unsynchronized)
? BufferChangeBits::ForbidUnsynchronizationBit
: BufferChangeBits::None;
}
const SharedPtr<Data> BufferObject::GetDataReadOnly() const {
@@ -151,7 +176,8 @@ namespace MobileGL {
}
void BufferObject::ClearDirty() {
m_dirtyRange = {0, 0};
m_change.DirtyRanges.clear();
m_change.Bits = BufferChangeBits::None;
}
SizeT BufferObject::GetSize() const {
@@ -162,8 +188,12 @@ namespace MobileGL {
return m_usage;
}
Range1D BufferObject::GetDirtyRange() const {
return m_dirtyRange;
const VecRange1D& BufferObject::GetDirtyRanges() const {
return m_change.DirtyRanges;
}
Flags<BufferChangeBits> BufferObject::GetChangeBits() const {
return m_change.Bits;
}
Bool BufferObject::IsMapped() const {