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gpu: accept CB/DB release without GL2 writeback

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This commit is contained in:
nmzik
2026-08-11 16:10:30 +02:00
parent a4f9c022ff
commit 472c8213db
2 changed files with 24 additions and 8 deletions
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tests/ShaderRecompilerComputeTests.cpp
+17 -6
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@@ -1611,13 +1611,14 @@ public:
{
const auto make_release_mem = [](uint32_t data_sel, uint32_t interrupt_selector,
void* destination, uint64_t value) {
void* destination, uint64_t value,
uint32_t action = 0x28u,
uint32_t gcr_cntl = 1u << 9u) {
std::array<uint32_t, 8> packet {};
const auto address = reinterpret_cast<uint64_t>(destination);
constexpr uint32_t eop_none = 0x28u;
constexpr uint32_t gcr_gl2_writeback = 1u << 9u;
const auto address = reinterpret_cast<uint64_t>(destination);
const auto event_index = (action >= 0x2fu ? 6u : 5u);
packet[0] = KYTY_PM4(8, Pm4::IT_NOP, Pm4::R_RELEASE_MEM);
packet[1] = eop_none | (gcr_gl2_writeback << 12u);
packet[1] = action | (event_index << 8u) | (gcr_cntl << 12u);
packet[2] = (interrupt_selector << 24u) | (data_sel << 29u);
packet[3] = static_cast<uint32_t>(address);
packet[4] = static_cast<uint32_t>(address >> 32u);
@@ -1652,6 +1653,7 @@ public:
std::binary_semaphore parser_complete {0};
alignas(uint64_t) uint64_t interrupt_only_gds_label = UINT64_MAX;
alignas(uint64_t) uint64_t cb_db_release_label = UINT64_MAX;
bool parser_kept_nonblocking_boundaries = false;
std::jthread no_gpu_wait([&] {
gpu.SendCommandSync([&] {
@@ -1666,6 +1668,15 @@ public:
result == Pm4ProcessResult::Complete &&
gpu_scheduler.CurrentTick() == tick_before;
const auto cb_db_tick = gpu_scheduler.CurrentTick();
auto cb_db_release = make_release_mem(2, 0, &cb_db_release_label, 0, 0x14u, 0);
Pm4Execution cb_db_execution;
const auto cb_db_result = processor->Process(
cb_db_execution, cb_db_release.data(), cb_db_release.size());
const bool cb_db_release_did_not_submit =
cb_db_result == Pm4ProcessResult::Complete && cb_db_release_label == 0 &&
gpu_scheduler.CurrentTick() == cb_db_tick;
auto gds_interrupt_only =
make_release_mem(5, 1, &interrupt_only_gds_label, 1ull << 16u);
Pm4Execution gds_interrupt_execution;
@@ -1673,7 +1684,7 @@ public:
const auto interrupt_result = processor->Process(
gds_interrupt_execution, gds_interrupt_only.data(), gds_interrupt_only.size());
parser_kept_nonblocking_boundaries =
cache_and_counter_did_not_submit &&
cache_and_counter_did_not_submit && cb_db_release_did_not_submit &&
interrupt_result == Pm4ProcessResult::Complete &&
gpu_scheduler.CurrentTick() == interrupt_tick + 1 &&
interrupt_only_gds_label == UINT64_MAX;