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rhi: metal: Stop using BufferOp for no good reason

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Do what the Vulkan backend does, and just take the offset
and the QRhiBufferData. There is no reason to store a full
QRhiResourceUpdateBatchPrivate::BufferOp struct within the
backend.

Change-Id: I67528029de40320b3e4f031346d40dfc0bb9ab52
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
(cherry picked from commit adf6ba7eaeba97fb2561394e52ee265d94e1c6e0)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Laszlo Agocs 2021-03-10 14:54:17 +01:00 committed by Qt Cherry-pick Bot
parent 90e71575fb
commit c8991d2986
1 changed files with 8 additions and 6 deletions
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14
src/gui/rhi/qrhimetal.mm
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@ -224,7 +224,11 @@ struct QMetalBufferData
bool managed;
bool slotted;
id<MTLBuffer> buf[QMTL_FRAMES_IN_FLIGHT];
QVarLengthArray<QRhiResourceUpdateBatchPrivate::BufferOp, 16> pendingUpdates[QMTL_FRAMES_IN_FLIGHT];
struct BufferUpdate {
int offset;
QRhiBufferData data;
};
QVarLengthArray<BufferUpdate, 16> pendingUpdates[QMTL_FRAMES_IN_FLIGHT];
};
struct QMetalRenderBufferData
@ -1702,7 +1706,7 @@ void QRhiMetal::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate
for (int i = 0; i < QMTL_FRAMES_IN_FLIGHT; ++i) {
if (u.offset == 0 && u.data.size() == bufD->m_size)
bufD->d->pendingUpdates[i].clear();
bufD->d->pendingUpdates[i].append(u);
bufD->d->pendingUpdates[i].append({ u.offset, u.data });
}
} else if (u.type == QRhiResourceUpdateBatchPrivate::BufferOp::StaticUpload) {
// Due to the Metal API the handling of static and dynamic buffers is
@ -1711,8 +1715,7 @@ void QRhiMetal::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate
Q_ASSERT(bufD->m_type != QRhiBuffer::Dynamic);
Q_ASSERT(u.offset + u.data.size() <= bufD->m_size);
for (int i = 0, ie = bufD->d->slotted ? QMTL_FRAMES_IN_FLIGHT : 1; i != ie; ++i)
bufD->d->pendingUpdates[i].append(
QRhiResourceUpdateBatchPrivate::BufferOp::dynamicUpdate(u.buf, u.offset, u.data.size(), u.data.constData()));
bufD->d->pendingUpdates[i].append({ u.offset, u.data });
} else if (u.type == QRhiResourceUpdateBatchPrivate::BufferOp::Read) {
QMetalBuffer *bufD = QRHI_RES(QMetalBuffer, u.buf);
executeBufferHostWritesForCurrentFrame(bufD);
@ -1872,8 +1875,7 @@ void QRhiMetal::executeBufferHostWritesForSlot(QMetalBuffer *bufD, int slot)
void *p = [bufD->d->buf[slot] contents];
int changeBegin = -1;
int changeEnd = -1;
for (const QRhiResourceUpdateBatchPrivate::BufferOp &u : qAsConst(bufD->d->pendingUpdates[slot])) {
Q_ASSERT(bufD == QRHI_RES(QMetalBuffer, u.buf));
for (const QMetalBufferData::BufferUpdate &u : qAsConst(bufD->d->pendingUpdates[slot])) {
memcpy(static_cast<char *>(p) + u.offset, u.data.constData(), size_t(u.data.size()));
if (changeBegin == -1 || u.offset < changeBegin)
changeBegin = u.offset;