diff options
| -rw-r--r-- | src/video_core/engines/maxwell_3d.cpp | 7 | ||||
| -rw-r--r-- | src/video_core/gpu.cpp | 14 |
2 files changed, 10 insertions, 11 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index a7e1dee04..0b3e8749b 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp | |||
| @@ -531,10 +531,7 @@ void Maxwell3D::StampQueryResult(u64 payload, bool long_query) { | |||
| 531 | // Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast | 531 | // Write the 128-bit result structure in long mode. Note: We emulate an infinitely fast |
| 532 | // GPU, this command may actually take a while to complete in real hardware due to GPU | 532 | // GPU, this command may actually take a while to complete in real hardware due to GPU |
| 533 | // wait queues. | 533 | // wait queues. |
| 534 | LongQueryResult query_result{}; | 534 | LongQueryResult query_result{payload, system.GPU().GetTicks()}; |
| 535 | query_result.value = payload; | ||
| 536 | // TODO(Subv): Generate a real GPU timestamp and write it here instead of CoreTiming | ||
| 537 | query_result.timestamp = system.GPU().GetTicks(); | ||
| 538 | memory_manager.WriteBlock(sequence_address, &query_result, sizeof(query_result)); | 535 | memory_manager.WriteBlock(sequence_address, &query_result, sizeof(query_result)); |
| 539 | } else { | 536 | } else { |
| 540 | memory_manager.Write<u32>(sequence_address, static_cast<u32>(payload)); | 537 | memory_manager.Write<u32>(sequence_address, static_cast<u32>(payload)); |
| @@ -548,7 +545,7 @@ void Maxwell3D::ProcessQueryGet() { | |||
| 548 | 545 | ||
| 549 | switch (regs.query.query_get.operation) { | 546 | switch (regs.query.query_get.operation) { |
| 550 | case Regs::QueryOperation::Release: { | 547 | case Regs::QueryOperation::Release: { |
| 551 | u64 result = regs.query.query_sequence; | 548 | const u64 result = regs.query.query_sequence; |
| 552 | StampQueryResult(result, regs.query.query_get.short_query == 0); | 549 | StampQueryResult(result, regs.query.query_get.short_query == 0); |
| 553 | break; | 550 | break; |
| 554 | } | 551 | } |
diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index 4aca39faf..4419ab735 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp | |||
| @@ -123,15 +123,17 @@ bool GPU::CancelSyncptInterrupt(const u32 syncpoint_id, const u32 value) { | |||
| 123 | return true; | 123 | return true; |
| 124 | } | 124 | } |
| 125 | 125 | ||
| 126 | // This values were reversed engineered by fincs from NVN | ||
| 127 | // The gpu clock is reported in units of 385/625 nanoseconds | ||
| 128 | constexpr u64 gpu_ticks_num = 384; | ||
| 129 | constexpr u64 gpu_ticks_den = 625; | ||
| 130 | |||
| 131 | u64 GPU::GetTicks() const { | 126 | u64 GPU::GetTicks() const { |
| 127 | // This values were reversed engineered by fincs from NVN | ||
| 128 | // The gpu clock is reported in units of 385/625 nanoseconds | ||
| 129 | constexpr u64 gpu_ticks_num = 384; | ||
| 130 | constexpr u64 gpu_ticks_den = 625; | ||
| 131 | |||
| 132 | const u64 cpu_ticks = system.CoreTiming().GetTicks(); | 132 | const u64 cpu_ticks = system.CoreTiming().GetTicks(); |
| 133 | const u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count(); | 133 | const u64 nanoseconds = Core::Timing::CyclesToNs(cpu_ticks).count(); |
| 134 | return (nanoseconds * gpu_ticks_num) / gpu_ticks_den; | 134 | const u64 nanoseconds_num = nanoseconds / gpu_ticks_den; |
| 135 | const u64 nanoseconds_rem = nanoseconds % gpu_ticks_den; | ||
| 136 | return nanoseconds_num * gpu_ticks_num + (nanoseconds_rem * gpu_ticks_num) / gpu_ticks_den; | ||
| 135 | } | 137 | } |
| 136 | 138 | ||
| 137 | void GPU::FlushCommands() { | 139 | void GPU::FlushCommands() { |