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Implement RDNA2 per-invocation scratch memory

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This commit is contained in:
Senaxx
2026-08-19 17:32:55 +02:00
committed by nmzik
parent 2db0b3cfa7
commit 56a15c2036
20 changed files with 184 additions and 53 deletions
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tests/ShaderRecompilerComputeTests.cpp
+32
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@@ -1070,6 +1070,7 @@ CompiledShader CompileCase(const TestCase &test) {
options.read_memory = ReadTestMemory;
options.read_memory_data = const_cast<std::vector<u32> *>(&test.initial);
options.flat_memory_base = test.flat_memory_base;
options.scratch_dwords = test.compute_info.scratch_size_dwords;
if (test.has_compute_info) {
options.wave_size = test.compute_info.wave_size;
}
@@ -16335,6 +16336,36 @@ TestCase FlatSegmentIgnoresSaddrAndMasksOffsetMsb() {
return test;
}
TestCase ScratchIsPrivatePerInvocation() {
using O = ShaderOpcode;
std::vector<u32> code;
code.push_back(EncodeSMovB32(20, InlineU32(0)));
AppendVMovU32(&code, 21, 0);
code.push_back(EncodeFlat0(0x1c, 1, 4));
code.push_back(EncodeFlat1(0, 20, 0, 21));
code.push_back(EncodeFlat0(0x0c, 1, 4));
code.push_back(EncodeFlat1(5, 20, 0, 21));
AppendStoreVgprAtLaneDwordOffset(&code, 5, 0, 0);
AppendEnd(&code);
TestCase test;
test.name = "ScratchIsPrivatePerInvocation";
test.code = std::move(code);
test.expected = {0, 1, 2, 3};
test.opcodes = {O::S_MOV_B32, O::V_MOV_B32,
O::FLAT_STORE_DWORD, O::FLAT_LOAD_DWORD,
O::BUFFER_STORE_DWORD, O::S_ENDPGM};
test.compute_info.threads_num[0] = 4;
test.compute_info.threads_num[1] = 1;
test.compute_info.threads_num[2] = 1;
test.compute_info.thread_ids_num = 1;
test.compute_info.workgroup_register = 0;
test.compute_info.scratch_size_dwords = 2;
test.has_compute_info = true;
return test;
}
TestCase FlatStoreVariants() {
using O = ShaderOpcode;
@@ -18648,6 +18679,7 @@ std::vector<TestCase> MakeCases() {
AddCase(FlatVirtualAddressRebasesGuestAllocation);
AddCase(GlobalSignedImmediateRebasesBeforeSaddr);
AddCase(FlatSegmentIgnoresSaddrAndMasksOffsetMsb);
AddCase(ScratchIsPrivatePerInvocation);
AddCase(FlatStoreVariants);
AddCase(DsReadWriteVariants);
AddCase(DsAppendConsumeUsesEncodedLdsSelector);