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shader: bind dispatch spans while keeping GPU record counts native

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Co-authored-by: TheCruZ <thecruzwtf@gmail.com>
This commit is contained in:
nmzik
2026-10-04 10:13:35 +04:00
parent cd9fc6ff2d
commit 8b05b6730e
11 changed files with 207 additions and 16 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+12 -6
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@@ -776,8 +776,8 @@ static Value FillValue(Value value, Value guard) {
// Nonnegative affine coefficients for constant, local and workgroup coordinates. Reject modular
// arithmetic that could wrap; runtime coverage also bounds the largest invocation index.
static std::optional<std::array<uint64_t, 3>> FillIndex(Value value, uint32_t axis, Value guard,
uint32_t depth = 0) {
std::optional<std::array<uint64_t, 3>> AffineIndex(Value value, uint32_t axis, Value guard,
uint32_t depth) {
value = FillValue(value, guard);
if (depth > 32 || value.GetType() != Type::U32) {
return {};
@@ -802,8 +802,8 @@ static std::optional<std::array<uint64_t, 3>> FillIndex(Value value, uint32_t ax
op != ValueOpcode::ShiftLeftLogical32) {
return {};
}
auto left = FillIndex(inst->Arg(0), axis, guard, depth + 1);
auto right = FillIndex(inst->Arg(1), axis, guard, depth + 1);
auto left = AffineIndex(inst->Arg(0), axis, guard, depth + 1);
auto right = AffineIndex(inst->Arg(1), axis, guard, depth + 1);
if (!left || !right) {
return {};
}
@@ -870,7 +870,7 @@ static UniformFillPlan AnalyzeUniformFill(const Program& program) {
const auto* address = store->Arg(1).ResolveInstruction();
if (address == nullptr || address->GetOpcode() != ValueOpcode::MakeImageAddress) return {};
for (uint32_t axis = 0; axis < 3; ++axis) {
const auto index = FillIndex(address->Arg(axis), axis, guard);
const auto index = AffineIndex(address->Arg(axis), axis, guard);
if (!index || (*index)[0] != 0) return {};
if (axis < 2) {
if ((*index)[1] != 1 || (*index)[2] == 0) return {};
@@ -900,7 +900,7 @@ static UniformFillPlan AnalyzeUniformFill(const Program& program) {
memory.data_bits != 32 ||
memory.data_dwords != static_cast<uint32_t>(store_op - stores.begin() + 1))
return {};
const auto address = FillIndex(store->Arg(1), 0, guard);
const auto address = AffineIndex(store->Arg(1), 0, guard);
if (!address || (*address)[0] != 0 || (*address)[1] != 1 || (*address)[2] == 0) return {};
result.fill.kind = UniformFillKind::Buffer;
result.fill.group_stride[0] = static_cast<uint32_t>((*address)[2]);
@@ -1138,6 +1138,12 @@ bool MaterializeResources(const ResourcePlan& program, const SrtRuntime& runtime
auto packed_stride = descriptor.PackedStride();
const auto stride = packed_stride & 0x3fffu;
const bool swizzle = stride != 0u && ((packed_stride >> 14u) & 1u) != 0u;
if (base.dispatch_stride != 0u && descriptor.Base48() != 0u &&
(descriptor.OutOfBounds() != 0u || stride == 0u || swizzle ||
(packed_stride & (1u << 20u)) != 0u || base.max_byte_extent > stride)) {
return SpecializationFail(fmt::format(
"dispatch-sized buffer {} requires an unswizzled structured DWORD layout", i));
}
if (stride == 0u) {
packed_stride &= ~((1u << 14u) | (3u << 16u));
} else if (!swizzle) {