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backfill tracked mip usage in next batch

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This commit is contained in:
jacob 2026-03-05 08:02:55 -06:00
parent 338cbceb63
commit 34fd73ac28
2 changed files with 83 additions and 78 deletions
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142
src/gpu/gpu_dx12/gpu_dx12_core.c
View File

@ -2081,44 +2081,100 @@ void G_D12_UpdateTrackedUsage(Arena *arena, G_D12_CmdBatch *batch, G_D12_Resourc
{
b32 should_track = !AnyBit(resource->d3d_desc.Flags, D3D12_RESOURCE_FLAG_ALLOW_SIMULTANEOUS_ACCESS);
if (should_track)
{
G_D12_CmdBatch *prev_batch = batch->prev;
G_D12_TrackedResourceNode *trn = 0;
G_D12_TrackedResourceNode *prev_trn = 0;
{
u64 hash = MixU64(resource->uid);
// Fetch/create tracked resource in current batch
{
if (!batch->tracked_resource_bins)
{
batch->tracked_resource_bins = PushStructs(arena, G_D12_TrackedResourceBin, G_D12_TrackedResourceBinsCount);
}
G_D12_TrackedResourceBin *bin = &batch->tracked_resource_bins[hash % G_D12_TrackedResourceBinsCount];
G_D12_TrackedResourceNode *trn = bin->first;
for (; trn; trn = trn->next_in_bin)
G_D12_TrackedResourceNode *tmp = bin->first;
for (; tmp; tmp = tmp->next_in_bin)
{
if (trn->hash == hash)
if (tmp->hash == hash)
{
break;
}
}
if (!trn)
if (!tmp)
{
trn = PushStruct(arena, G_D12_TrackedResourceNode);
trn->resource = resource;
trn->hash = hash;
SllQueuePush(batch->first_tracked_resource, batch->last_tracked_resource, trn);
SllStackPushN(bin->first, trn, next_in_bin);
tmp = PushStruct(arena, G_D12_TrackedResourceNode);
tmp->resource = resource;
tmp->hash = hash;
SllQueuePush(batch->first_tracked_resource, batch->last_tracked_resource, tmp);
SllStackPushN(bin->first, tmp, next_in_bin);
}
trn = tmp;
}
// Fetch/create tracked resource in previous batch
if (prev_batch)
{
if (!prev_batch->tracked_resource_bins)
{
prev_batch->tracked_resource_bins = PushStructs(arena, G_D12_TrackedResourceBin, G_D12_TrackedResourceBinsCount);
}
G_D12_TrackedResourceBin *bin = &prev_batch->tracked_resource_bins[hash % G_D12_TrackedResourceBinsCount];
G_D12_TrackedResourceNode *tmp = bin->first;
for (; tmp; tmp = tmp->next_in_bin)
{
if (tmp->hash == hash)
{
break;
}
}
if (!tmp)
{
tmp = PushStruct(arena, G_D12_TrackedResourceNode);
tmp->resource = resource;
tmp->hash = hash;
SllQueuePush(prev_batch->first_tracked_resource, prev_batch->last_tracked_resource, tmp);
SllStackPushN(bin->first, tmp, next_in_bin);
}
prev_trn = tmp;
}
}
for (i32 mip_idx = mips.min; mip_idx <= mips.max; ++mip_idx)
{
G_D12_TrackedMip *mip = &trn->mips[mip_idx];
G_D12_TrackedMip *prev_mip = 0;
if (prev_trn)
{
prev_mip = &prev_trn->mips[mip_idx];
}
if (usage_kind > mip->usage)
{
mip->usage = usage_kind;
}
if (usage_kind == G_D12_TrackedUsageKind_MakeExclusive)
{
mip->prev_usage = G_D12_TrackedUsageKind_MakeCommon;
}
else
{
if (usage_kind == G_D12_TrackedUsageKind_MakeCommon)
{
mip->next_usage = G_D12_TrackedUsageKind_MakeCommon;
}
if (prev_mip)
{
mip->prev_usage = prev_mip->usage;
}
}
if (prev_mip)
{
prev_mip->usage = mip->prev_usage;
prev_mip->next_usage = mip->usage;
}
}
}
}
@ -2264,19 +2320,13 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
if (batch->contains_hazard)
{
++batches_count;
SllQueuePush(first_batch, last_batch, batch);
DllQueuePush(first_batch, last_batch, batch);
batch = PushStruct(scratch.arena, G_D12_CmdBatch);
}
G_D12_Resource *resource = cmd->barrier.resource;
if (resource)
{
// ++batch->transitions_count;
// G_D12_TransitionNode *tn = PushStruct(scratch.arena, G_D12_TransitionNode);
// SllQueuePush(batch->first_transition, batch->last_transition, tn);
// tn->resource = resource;
// tn->mips = RNGI32(0, resource->texture_mips - 1);
if (cmd->barrier.to_exclusive)
{
G_D12_UpdateTrackedUsage(scratch.arena, batch, resource, RNGI32(0, resource->texture_mips - 1), G_D12_TrackedUsageKind_MakeExclusive);
@ -2302,14 +2352,14 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
{
// Submit open batch
++batches_count;
SllQueuePush(first_batch, last_batch, batch);
DllQueuePush(first_batch, last_batch, batch);
if (batch->first_tracked_resource)
{
// Final empty batch to implicitly decay tracked resources
batch = PushStruct(scratch.arena, G_D12_CmdBatch);
++batches_count;
SllQueuePush(first_batch, last_batch, batch);
DllQueuePush(first_batch, last_batch, batch);
}
}
}
@ -2327,56 +2377,10 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
{
G_D12_Resource *resource = trn->resource;
// Fetch next & prev resources
G_D12_TrackedResourceNode *next_trn = 0;
G_D12_TrackedResourceNode *prev_trn = 0;
{
u64 hash = MixU64(resource->uid);
if (prev_batch && prev_batch->tracked_resource_bins)
{
G_D12_TrackedResourceBin *bin = &prev_batch->tracked_resource_bins[hash % G_D12_TrackedResourceBinsCount];
for (; prev_trn; prev_trn = prev_trn->next_in_bin)
{
if (prev_trn->hash == hash)
{
break;
}
}
}
if (next_batch && next_batch->tracked_resource_bins)
{
G_D12_TrackedResourceBin *bin = &next_batch->tracked_resource_bins[hash % G_D12_TrackedResourceBinsCount];
for (; next_trn; next_trn = next_trn->next_in_bin)
{
if (next_trn->hash == hash)
{
break;
}
}
}
}
for (i32 mip_idx = 0; mip_idx < resource->texture_mips; ++mip_idx)
{
G_D12_TrackedMip *mip = &trn->mips[mip_idx];
if (mip->prev_usage == G_D12_TrackedUsageKind_Untracked && prev_trn)
{
G_D12_TrackedMip *prev_mip = &prev_trn->mips[mip_idx];
mip->prev_usage = prev_mip->usage;
}
G_D12_TrackedUsageKind next_usage = G_D12_TrackedUsageKind_Untracked;
if (mip->usage == G_D12_TrackedUsageKind_MakeCommon)
{
next_usage = G_D12_TrackedUsageKind_MakeCommon;
}
else if (next_trn)
{
G_D12_TrackedMip *next_mip = &next_trn->mips[mip_idx];
next_usage = next_mip->usage;
}
// Push promotion transition
if (mip->usage != mip->prev_usage)
{
@ -2391,7 +2395,7 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
}
// Push decay transition to next batch
if (next_batch && mip->usage != next_usage)
if (next_batch && mip->usage != mip->next_usage)
{
++next_batch->transitions_count;
G_D12_TransitionNode *tn = PushStruct(scratch.arena, G_D12_TransitionNode);
@ -2399,7 +2403,7 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
tn->resource = resource;
tn->old = mip->usage;
tn->new = next_usage;
tn->new = mip->next_usage;
tn->mips = RNGI32(mip_idx, mip_idx);
}
}

1
src/gpu/gpu_dx12/gpu_dx12_core.h
View File

@ -432,6 +432,7 @@ Struct(G_D12_TrackedMip)
{
G_D12_TrackedUsageKind prev_usage;
G_D12_TrackedUsageKind usage;
G_D12_TrackedUsageKind next_usage;
};
Struct(G_D12_TrackedResourceNode)