GPU: Address Feedback.
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@ -531,10 +531,7 @@ void Maxwell3D::StampQueryResult(u64 payload, bool long_query) {
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// Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast
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// GPU, this command may actually take a while to complete in real hardware due to GPU
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// wait queues.
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LongQueryResult query_result{};
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query_result.value = payload;
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// TODO(Subv): Generate a real GPU timestamp and write it here instead of CoreTiming
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query_result.timestamp = system.GPU().GetTicks();
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LongQueryResult query_result{payload, system.GPU().GetTicks()};
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memory_manager.WriteBlock(sequence_address, &query_result, sizeof(query_result));
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} else {
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memory_manager.Write<u32>(sequence_address, static_cast<u32>(payload));
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@ -548,7 +545,7 @@ void Maxwell3D::ProcessQueryGet() {
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switch (regs.query.query_get.operation) {
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case Regs::QueryOperation::Release: {
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u64 result = regs.query.query_sequence;
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const u64 result = regs.query.query_sequence;
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StampQueryResult(result, regs.query.query_get.short_query == 0);
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break;
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}
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@ -123,15 +123,17 @@ bool GPU::CancelSyncptInterrupt(const u32 syncpoint_id, const u32 value) {
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return true;
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}
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// This values were reversed engineered by fincs from NVN
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// The gpu clock is reported in units of 385/625 nanoseconds
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constexpr u64 gpu_ticks_num = 384;
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constexpr u64 gpu_ticks_den = 625;
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u64 GPU::GetTicks() const {
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// This values were reversed engineered by fincs from NVN
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// The gpu clock is reported in units of 385/625 nanoseconds
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constexpr u64 gpu_ticks_num = 384;
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constexpr u64 gpu_ticks_den = 625;
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const u64 cpu_ticks = system.CoreTiming().GetTicks();
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const u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count();
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return (nanoseconds * gpu_ticks_num) / gpu_ticks_den;
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const u64 nanoseconds_num = nanoseconds / gpu_ticks_den;
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const u64 nanoseconds_rem = nanoseconds % gpu_ticks_den;
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return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den;
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}
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void GPU::FlushCommands() {
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