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buffer_cache: Add logic for non-NVN storage buffer tracking

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This commit is contained in:
ameerj 2023-02-25 16:24:21 -05:00
parent 833afb7ce3
commit 2ce5bb9bd6
2 changed files with 27 additions and 5 deletions
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8
src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp
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@ -35,6 +35,7 @@ struct Bias {
u32 index;
u32 offset_begin;
u32 offset_end;
u32 alignment;
};
using boost::container::flat_set;
@ -349,7 +350,8 @@ std::optional<StorageBufferAddr> Track(const IR::Value& value, const Bias* bias)
.index = index.U32(),
.offset = offset.U32(),
};
if (!Common::IsAligned(storage_buffer.offset, 16)) {
const u32 alignment{bias ? bias->alignment : 8U};
if (!Common::IsAligned(storage_buffer.offset, alignment)) {
// The SSBO pointer has to be aligned
return std::nullopt;
}
@ -371,6 +373,7 @@ void CollectStorageBuffers(IR::Block& block, IR::Inst& inst, StorageInfo& info)
.index = 0,
.offset_begin = 0x110,
.offset_end = 0x610,
.alignment = 16,
};
// Track the low address of the instruction
const std::optional<LowAddrInfo> low_addr_info{TrackLowAddress(&inst)};
@ -386,8 +389,11 @@ void CollectStorageBuffers(IR::Block& block, IR::Inst& inst, StorageInfo& info)
storage_buffer = Track(low_addr, nullptr);
if (!storage_buffer) {
// If that also fails, use NVN fallbacks
LOG_WARNING(Shader, "Storage buffer failed to track, using global memory fallbacks");
return;
}
LOG_WARNING(Shader, "Storage buffer tracked without bias, index {} offset {}",
storage_buffer->index, storage_buffer->offset);
}
// Collect storage buffer and the instruction
if (IsGlobalMemoryWrite(inst)) {