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Handle Z-pass predication and query waits

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This commit is contained in:
nmzik
2026-09-15 20:15:39 +04:00
parent 0d9e95d96a
commit 629ae1ac05
2 changed files with 146 additions and 21 deletions
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src/graphics/guest_gpu/graphicsRun.cpp
+40 -21
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@@ -818,36 +818,55 @@ void CommandProcessor::SetNumInstances(uint32_t num_instances) {
void CommandProcessor::SetPredication(uint32_t condition, uint32_t op, uint32_t wait_op,
const volatile void* address, uint32_t count_in_dwords) {
if (wait_op != 0) {
BufferFlushAndWait();
}
(void)count_in_dwords;
uint64_t value = 0;
switch (op) {
case 0x00: {
case 0x00:
m_predicate_skip = false;
} break;
case 0x03: {
return;
case 0x01: {
EXIT_NOT_IMPLEMENTED(address == nullptr);
auto value = *reinterpret_cast<const volatile uint64_t*>(address);
switch (condition) {
case 0x00: m_predicate_skip = (value != 0); break;
case 0x01: m_predicate_skip = (value == 0); break;
default: EXIT("unknown predication condition: 0x%08" PRIx32 "\n", condition);
}
static std::atomic<uint32_t> log_count {0};
if (log_count.fetch_add(1) < 128) {
LOGF("\t bool predication: addr=0x%016" PRIx64 ", value=0x%016" PRIx64
", condition=%" PRIu32 ", skip=%u, wait_op=%" PRIu32 "\n",
reinterpret_cast<uint64_t>(address), value, condition,
m_predicate_skip ? 1u : 0u, wait_op);
// One begin/end pair per DB; bit 63 marks each counter ready.
constexpr uint64_t ready_bit = 1ull << 63u;
const auto* results = reinterpret_cast<const volatile uint64_t*>(address);
for (uint32_t db = 0; db < 16u; db++) {
const auto begin = results[db * 2u];
const auto end = results[db * 2u + 1u];
if ((begin & end & ready_bit) == 0) {
if (wait_op == 0) {
SuspendPm4();
} else {
m_predicate_skip = false;
}
return;
}
value += end - begin;
}
} break;
case 0x03:
if (wait_op != 0) {
BufferFlushAndWait();
}
EXIT_NOT_IMPLEMENTED(address == nullptr);
value = *reinterpret_cast<const volatile uint64_t*>(address);
break;
default: EXIT("unknown predication op: 0x%08" PRIx32 "\n", op);
}
switch (condition) {
case 0x00: m_predicate_skip = (value != 0); break;
case 0x01: m_predicate_skip = (value == 0); break;
default: EXIT("unknown predication condition: 0x%08" PRIx32 "\n", condition);
}
if (op == 0x03) {
static std::atomic<uint32_t> log_count {0};
if (log_count.fetch_add(1) < 128) {
LOGF("\t bool predication: addr=0x%016" PRIx64 ", value=0x%016" PRIx64
", condition=%" PRIu32 ", skip=%u, wait_op=%" PRIu32 "\n",
reinterpret_cast<uint64_t>(address), value, condition,
m_predicate_skip ? 1u : 0u, wait_op);
}
}
}
void CommandProcessor::DrawIndex(DrawIndexArgs args) {