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shader: stream tile bitmaps within their fixed descriptor domain

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This commit is contained in:
nmzik
2026-10-13 04:24:22 +02:00
parent 34893dd8c8
commit 5f6dc0a8d0
2 changed files with 41 additions and 17 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+11 -6
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@@ -434,13 +434,18 @@ bool MaterializeIndirectDescriptor(const ResourcePlan& p
selector->stride != sizeof(masks) || selector->offset != 0u ||
material.Type() != 0u || material.Stride() != sizeof(masks) ||
material.SwizzleEnabled() || material.AddTid() || material.OutOfBounds() != 0u ||
(material.Base48() & 3u) != 0u ||
material.GetSize() / sizeof(uint32_t) > MaxIndirectDescriptorProbes) return false;
(material.Base48() & 3u) != 0u) return false;
if (material.Format() != Prospero::BufferFormat::kInvalid) {
keys.resize(material.GetSize() / sizeof(uint32_t));
if (!keys.empty() && !ReadScalarTable(material.Base48(), material.GetSize(), 0u,
runtime, keys)) return false;
for (size_t word = 0; word < keys.size(); ++word) masks[word % masks.size()] |= keys[word];
const auto words = material.GetSize() / sizeof(uint32_t);
// Bitmap storage can grow with resolution while its candidate domain stays
// at 128 keys. Bound scratch memory, preserving each coherent read's capture.
for (uint64_t first_word = 0; first_word < words; first_word += keys.size()) {
keys.resize(std::min<uint64_t>(words - first_word, MaxIndirectDescriptorProbes));
if (!ReadScalarTable(material.Base48(), material.GetSize(), first_word * 4u,
runtime, keys)) return false;
for (size_t word = 0; word < keys.size(); ++word) masks[word % masks.size()] |= keys[word];
if (std::ranges::all_of(masks, [](uint32_t mask) { return mask == UINT32_MAX; })) break;
}
keys.clear();
for (uint32_t word = 0; word < masks.size(); ++word) {
auto mask = masks[word];