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Test RDNA2 wave32 ReadLane material key selection

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This commit is contained in:
nmzik
2026-09-24 03:05:12 +04:00
parent 963a0817dc
commit a670dc84b3
1 changed files with 43 additions and 0 deletions
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tests/ShaderRecompilerComputeTests.cpp
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@@ -20623,6 +20623,43 @@ TestCase VectorLaneWave32RuntimeSelectorWraps() {
return test;
}
TestCase VectorReadlaneSelectsTwoKeysWithinWave() {
using O = ShaderOpcode;
std::vector<u32> code;
code.push_back(EncodeVop2(0x16, 1, InlineU32(4), 0)); // lanes 0..15: 0, 16..31: 1
AppendVop3(&code, 0x360, 20, Vgpr(1), InlineU32(0));
AppendVop3(&code, 0x360, 21, Vgpr(1), InlineU32(16));
AppendVMovU32(&code, 2, 0);
AppendVMovU32(&code, 3, 11);
AppendVMovU32(&code, 4, 22);
code.push_back(EncodeVopc(0xc2, 20, 1)); // selected lane 0 key == local key
code.push_back(EncodeVop2(0x01, 2, Vgpr(2), 3));
code.push_back(EncodeVopc(0xc2, 21, 1)); // selected lane 16 key == local key
code.push_back(EncodeVop2(0x01, 2, Vgpr(2), 4));
AppendStoreVgprAtLaneDwordOffset(&code, 2, 0, 0);
AppendEnd(&code);
TestCase test;
test.name = "VectorReadlaneSelectsTwoKeysWithinWave";
test.code = std::move(code);
test.expected.resize(32);
std::fill_n(test.expected.begin(), 16, 11u);
std::fill_n(test.expected.begin() + 16, 16, 22u);
test.opcodes = {O::V_LSHRREV_B32, O::V_READLANE_B32, O::V_MOV_B32,
O::V_CMP_EQ_U32, O::V_CNDMASK_B32,
O::BUFFER_STORE_DWORD, O::S_ENDPGM};
test.decoded_counts = {{"V_READLANE_B32", 2}};
test.required_spirv = {"OpGroupNonUniformShuffle"};
test.compute_info.threads_num[0] = 32;
test.compute_info.threads_num[1] = 1;
test.compute_info.threads_num[2] = 1;
test.compute_info.wave_size = 32;
test.compute_info.thread_ids_num = 1;
test.has_compute_info = true;
return test;
}
TestCase VectorPermlanex16() {
using O = ShaderOpcode;
@@ -28227,6 +28264,7 @@ std::vector<TestCase> MakeCases() {
AddCase(VectorWritelaneIgnoresExecMask);
AddCase(VectorReadlaneFromInactiveWrittenLane);
AddCase(VectorLaneWave32RuntimeSelectorWraps);
AddCase(VectorReadlaneSelectsTwoKeysWithinWave);
AddCase(VectorPermlanex16);
AddCase(VectorPermlane16FetchInactiveZero);
AddCase(VectorPermlane16FetchInactiveFi);
@@ -33449,6 +33487,11 @@ int main(int argc, char **argv) {
RunCase(&vulkan, ImageCubeGradientsPreserveDerivatives());
return 0;
}
if (argc == 2 && std::strcmp(argv[1], "--readlane-key-guard-only") == 0) {
VulkanHarness vulkan;
RunCase(&vulkan, VectorReadlaneSelectsTwoKeysWithinWave());
return 0;
}
#if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
if (argc == 2 && std::strcmp(argv[1], "--reverse-rt-death") == 0) {
RunReverseRenderTargetDeathCase();