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graphics: derive compute wave size from dispatch mode

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This commit is contained in:
Senaxx
2026-08-19 19:41:18 +02:00
committed by nmzik
parent 69156b2f0e
commit a42e3bb09e
7 changed files with 22 additions and 27 deletions
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tests/shaderCfgTests.cpp
+6 -18
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@@ -8137,23 +8137,11 @@ void TestNewShaderRecompilerU64PairLowering() {
"dispatcher did not use one canonical U64 vector spill slot");
}
void TestComputeShaderInputWaveSize() {
const auto decode_wave_size = [](uint32_t rsrc1) {
const bool wave32 = (((rsrc1 >> Pm4::COMPUTE_PGM_RSRC1_W32_EN_SHIFT) &
Pm4::COMPUTE_PGM_RSRC1_W32_EN_MASK) != 0u);
return wave32 ? 32u : 64u;
};
constexpr uint32_t observed_wave32_rsrc1_a = 0x402c0146u;
constexpr uint32_t observed_wave32_rsrc1_b = 0x402c00c1u;
Check(decode_wave_size(observed_wave32_rsrc1_a) == 32u,
"COMPUTE_PGM_RSRC1 W32_EN bit did not match observed PS5 value A");
Check(decode_wave_size(observed_wave32_rsrc1_b) == 32u,
"COMPUTE_PGM_RSRC1 W32_EN bit did not match observed PS5 value B");
constexpr uint32_t w32_en_bit = 1u << Pm4::COMPUTE_PGM_RSRC1_W32_EN_SHIFT;
Check(decode_wave_size(observed_wave32_rsrc1_a & ~w32_en_bit) == 64u,
"cleared COMPUTE_PGM_RSRC1 W32_EN bit did not decode as wave64");
void TestComputeDispatchWaveSize() {
Check(Pm4::ComputeWaveSize(0x00000041u) == 64u,
"dispatch without CS_W32_EN did not select wave64");
Check(Pm4::ComputeWaveSize(0x00008041u) == 32u,
"dispatch with CS_W32_EN did not select wave32");
}
void TestNewShaderRecompilerBufferLoadsGuardedByExec() {
@@ -11581,7 +11569,7 @@ int main() {
TestNewShaderRecompilerCfgIrreducibleDispatcher();
TestNewShaderRecompilerDispatcherSpillsU32x3();
TestNewShaderRecompilerU64PairLowering();
TestComputeShaderInputWaveSize();
TestComputeDispatchWaveSize();
TestNewShaderRecompilerBufferLoadsGuardedByExec();
TestNewShaderRecompilerBufferAtomicsGuardedByBounds();
TestNewShaderRecompilerPixelImageSampleLodSelection();