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graphics: resize image heap tables in place when their descriptor size changes

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This commit is contained in:
nmzik
2026-10-25 21:30:06 +01:00
parent dc3bd68dee
commit 4db225008b
4 changed files with 119 additions and 76 deletions
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tests/ShaderRecompilerComputeTests.cpp
+26 -9
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@@ -5511,16 +5511,33 @@ public:
ImageHeapTestAccess::ImageOf(heap, filtered.slots[240]),
"a reactivated view kept an element whose image slot holds a new image");
// A table whose descriptor grew keeps its old snapshot until a frame passes without it.
// A table follows its descriptor's size and keeps its elements. Growing probes the new
// words, shrinking releases them, and a draw sees one size.
write(table_size / 32u, descriptor(40, Format::k8_8_8_8UNorm));
const auto elements = ImageHeapTestAccess::ElementCount(heap);
const IR::ImageHeapRequest grown{table, table_size * 2u, 32u, 0u, table_size / 16u, &sampled};
for (uint32_t frame = 0; frame < 2u; ++frame) {
Require(name, "grown table", heap.Acquire(grown, view), "a grown table was declined");
draw();
heap.RunGarbageCollector();
heap.BeginDraw();
Require(name, "superseded table", ImageHeapTestAccess::MemoryCount(heap) == 2u - frame,
"a snapshot was dropped in a frame that acquired it or kept after one without it");
}
Require(name, "grown table",
heap.Acquire(grown, view) && view.slot_count == table_size / 2u &&
ImageHeapTestAccess::MemoryCount(heap) == 1u,
"a grown table was declined or kept apart from its old size");
draw();
const auto added = ImageHeapTestAccess::ImageOf(heap, filtered.slots[table_size / 4u]);
Require(name, "grown descriptor",
added && ImageHeapTestAccess::ElementCount(heap) <= elements + 1u,
"a grown table missed its new descriptor or interned its old ones again");
Require(name, "shrunk table",
acquire(sampled) && view.slot_count == table_size / 4u &&
filtered.slots.back() == 0u && textures.GetImage(added).heap_refs.load() == 0u,
"a shrunk table kept a descriptor past its end");
Require(name, "one size per draw",
heap.Acquire(grown, view) && view.slot_count == table_size / 4u,
"a draw saw two sizes of one table");
draw();
Require(name, "regrown table", heap.Acquire(grown, view), "a regrown table was declined");
draw();
Require(name, "regrown descriptor",
ImageHeapTestAccess::ImageOf(heap, filtered.slots[table_size / 4u]) == added,
"a table grown again after shrinking missed its descriptor");
heap.UnmapMemory(table, table_size);
Require(name, "unmapped table",