diff options
Diffstat (limited to 'src/video_core/dma_pusher.cpp')
| -rw-r--r-- | src/video_core/dma_pusher.cpp | 114 |
1 files changed, 73 insertions, 41 deletions
diff --git a/src/video_core/dma_pusher.cpp b/src/video_core/dma_pusher.cpp index 713c14182..d8801b1f5 100644 --- a/src/video_core/dma_pusher.cpp +++ b/src/video_core/dma_pusher.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include "common/cityhash.h" #include "common/microprofile.h" #include "core/core.h" #include "core/memory.h" @@ -12,7 +13,7 @@ namespace Tegra { -DmaPusher::DmaPusher(GPU& gpu) : gpu(gpu) {} +DmaPusher::DmaPusher(Core::System& system, GPU& gpu) : gpu{gpu}, system{system} {} DmaPusher::~DmaPusher() = default; @@ -21,17 +22,22 @@ MICROPROFILE_DEFINE(DispatchCalls, "GPU", "Execute command buffer", MP_RGB(128, void DmaPusher::DispatchCalls() { MICROPROFILE_SCOPE(DispatchCalls); + gpu.SyncGuestHost(); // On entering GPU code, assume all memory may be touched by the ARM core. gpu.Maxwell3D().OnMemoryWrite(); dma_pushbuffer_subindex = 0; - while (Core::System::GetInstance().IsPoweredOn()) { + dma_state.is_last_call = true; + + while (system.IsPoweredOn()) { if (!Step()) { break; } } gpu.FlushCommands(); + gpu.SyncGuestHost(); + gpu.OnCommandListEnd(); } bool DmaPusher::Step() { @@ -40,44 +46,59 @@ bool DmaPusher::Step() { return false; } - const CommandList& command_list{dma_pushbuffer.front()}; - ASSERT_OR_EXECUTE(!command_list.empty(), { - // Somehow the command_list is empty, in order to avoid a crash - // We ignore it and assume its size is 0. - dma_pushbuffer.pop(); - dma_pushbuffer_subindex = 0; - return true; - }); - const CommandListHeader command_list_header{command_list[dma_pushbuffer_subindex++]}; - GPUVAddr dma_get = command_list_header.addr; - GPUVAddr dma_put = dma_get + command_list_header.size * sizeof(u32); - bool non_main = command_list_header.is_non_main; - - if (dma_pushbuffer_subindex >= command_list.size()) { - // We've gone through the current list, remove it from the queue - dma_pushbuffer.pop(); - dma_pushbuffer_subindex = 0; - } + CommandList& command_list{dma_pushbuffer.front()}; - if (command_list_header.size == 0) { - return true; - } + ASSERT_OR_EXECUTE( + command_list.command_lists.size() || command_list.prefetch_command_list.size(), { + // Somehow the command_list is empty, in order to avoid a crash + // We ignore it and assume its size is 0. + dma_pushbuffer.pop(); + dma_pushbuffer_subindex = 0; + return true; + }); - // Push buffer non-empty, read a word - command_headers.resize(command_list_header.size); - gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(), - command_list_header.size * sizeof(u32)); + if (command_list.prefetch_command_list.size()) { + // Prefetched command list from nvdrv, used for things like synchronization + command_headers = std::move(command_list.prefetch_command_list); + dma_pushbuffer.pop(); + } else { + const CommandListHeader command_list_header{ + command_list.command_lists[dma_pushbuffer_subindex++]}; + const GPUVAddr dma_get = command_list_header.addr; + + if (dma_pushbuffer_subindex >= command_list.command_lists.size()) { + // We've gone through the current list, remove it from the queue + dma_pushbuffer.pop(); + dma_pushbuffer_subindex = 0; + } - for (const CommandHeader& command_header : command_headers) { + if (command_list_header.size == 0) { + return true; + } - // now, see if we're in the middle of a command - if (dma_state.length_pending) { - // Second word of long non-inc methods command - method count - dma_state.length_pending = 0; - dma_state.method_count = command_header.method_count_; - } else if (dma_state.method_count) { + // Push buffer non-empty, read a word + command_headers.resize(command_list_header.size); + gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(), + command_list_header.size * sizeof(u32)); + } + for (std::size_t index = 0; index < command_headers.size();) { + const CommandHeader& command_header = command_headers[index]; + + if (dma_state.method_count) { // Data word of methods command - CallMethod(command_header.argument); + if (dma_state.non_incrementing) { + const u32 max_write = static_cast<u32>( + std::min<std::size_t>(index + dma_state.method_count, command_headers.size()) - + index); + CallMultiMethod(&command_header.argument, max_write); + dma_state.method_count -= max_write; + dma_state.is_last_call = true; + index += max_write; + continue; + } else { + dma_state.is_last_call = dma_state.method_count <= 1; + CallMethod(command_header.argument); + } if (!dma_state.non_incrementing) { dma_state.method++; @@ -117,11 +138,7 @@ bool DmaPusher::Step() { break; } } - } - - if (!non_main) { - // TODO (degasus): This is dead code, as dma_mget is never read. - dma_mget = dma_put; + index++; } return true; @@ -134,7 +151,22 @@ void DmaPusher::SetState(const CommandHeader& command_header) { } void DmaPusher::CallMethod(u32 argument) const { - gpu.CallMethod({dma_state.method, argument, dma_state.subchannel, dma_state.method_count}); + if (dma_state.method < non_puller_methods) { + gpu.CallMethod({dma_state.method, argument, dma_state.subchannel, dma_state.method_count}); + } else { + subchannels[dma_state.subchannel]->CallMethod(dma_state.method, argument, + dma_state.is_last_call); + } +} + +void DmaPusher::CallMultiMethod(const u32* base_start, u32 num_methods) const { + if (dma_state.method < non_puller_methods) { + gpu.CallMultiMethod(dma_state.method, dma_state.subchannel, base_start, num_methods, + dma_state.method_count); + } else { + subchannels[dma_state.subchannel]->CallMultiMethod(dma_state.method, base_start, + num_methods, dma_state.method_count); + } } } // namespace Tegra |