diff options
| -rw-r--r-- | src/video_core/engines/maxwell_dma.cpp | 20 | ||||
| -rw-r--r-- | src/video_core/engines/maxwell_dma.h | 2 |
2 files changed, 21 insertions, 1 deletions
diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 67388d980..1fc1358bc 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -53,7 +53,6 @@ void MaxwellDMA::Launch() { // TODO(Subv): Perform more research and implement all features of this engine. const LaunchDMA& launch = regs.launch_dma; - ASSERT(launch.semaphore_type == LaunchDMA::SemaphoreType::NONE); ASSERT(launch.interrupt_type == LaunchDMA::InterruptType::NONE); ASSERT(launch.data_transfer_type == LaunchDMA::DataTransferType::NON_PIPELINED); ASSERT(regs.dst_params.origin.x == 0); @@ -79,6 +78,7 @@ void MaxwellDMA::Launch() { CopyPitchToBlockLinear(); } } + ReleaseSemaphore(); } void MaxwellDMA::CopyPitchToPitch() { @@ -244,4 +244,22 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() { memory_manager.WriteBlock(regs.offset_out, write_buffer.data(), dst_size); } +void MaxwellDMA::ReleaseSemaphore() { + const auto type = regs.launch_dma.semaphore_type; + const GPUVAddr address = regs.semaphore.address; + switch (type) { + case LaunchDMA::SemaphoreType::NONE: + break; + case LaunchDMA::SemaphoreType::RELEASE_ONE_WORD_SEMAPHORE: + memory_manager.Write<u32>(address, regs.semaphore.payload); + break; + case LaunchDMA::SemaphoreType::RELEASE_FOUR_WORD_SEMAPHORE: + memory_manager.Write<u64>(address, static_cast<u64>(regs.semaphore.payload)); + memory_manager.Write<u64>(address + 8, system.GPU().GetTicks()); + break; + default: + UNREACHABLE_MSG("Unknown semaphore type: {}", static_cast<u32>(type.Value())); + } +} + } // namespace Tegra::Engines diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index a04514425..2692cac8a 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -224,6 +224,8 @@ private: void FastCopyBlockLinearToPitch(); + void ReleaseSemaphore(); + Core::System& system; MemoryManager& memory_manager; |