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Memory manager: buffer uploads (D3D) - Part 1

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Manages a single persistently mapped GPU heap which is sub-allocated
inside of ring-buffer for uploads. To handle larger buffers without additional
unused heaps, ring buffers are created on-demand.

BUG=dawn:28
TEST=dawn_unittests

Change-Id: Ifc5a1b06baf8633f1e133245ac1ee76275431cc5
Reviewed-on: https://dawn-review.googlesource.com/c/3160
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Bryan Bernhart
2019-01-29 00:10:07 +00:00
committed by Commit Bot service account
parent 79ff8bead9
commit 74e95fff4a
38 changed files with 950 additions and 124 deletions
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7
src/common/SerialStorage.h
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@@ -110,6 +110,7 @@ class SerialStorage {
void ClearUpTo(Serial serial);
Serial FirstSerial() const;
Serial LastSerial() const;
protected:
// Returns the first StorageIterator that a serial bigger than serial.
@@ -162,6 +163,12 @@ Serial SerialStorage<Derived>::FirstSerial() const {
return mStorage.begin()->first;
}
template <typename Derived>
Serial SerialStorage<Derived>::LastSerial() const {
DAWN_ASSERT(!Empty());
return mStorage.back().first;
}
template <typename Derived>
typename SerialStorage<Derived>::ConstStorageIterator SerialStorage<Derived>::FindUpTo(
Serial serial) const {