From 3fedcc2f6e001f0ed1fd791de4f9692570359eef Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Mon, 20 Apr 2020 02:16:56 -0400 Subject: [PATCH] DMAPusher: Propagate multimethod writes into the engines. --- src/video_core/dma_pusher.cpp | 28 ++++++++---- src/video_core/dma_pusher.h | 1 + src/video_core/engines/fermi_2d.cpp | 6 +++ src/video_core/engines/fermi_2d.h | 3 ++ src/video_core/engines/kepler_compute.cpp | 6 +++ src/video_core/engines/kepler_compute.h | 3 ++ src/video_core/engines/kepler_memory.cpp | 6 +++ src/video_core/engines/kepler_memory.h | 3 ++ src/video_core/engines/maxwell_3d.cpp | 52 +++++++++++++++++++++++ src/video_core/engines/maxwell_3d.h | 4 ++ src/video_core/engines/maxwell_dma.cpp | 6 +++ src/video_core/engines/maxwell_dma.h | 3 ++ src/video_core/gpu.cpp | 47 ++++++++++++++++++-- src/video_core/gpu.h | 8 +++- 14 files changed, 163 insertions(+), 13 deletions(-) diff --git a/src/video_core/dma_pusher.cpp b/src/video_core/dma_pusher.cpp index 324dafdcd..16311f05e 100644 --- a/src/video_core/dma_pusher.cpp +++ b/src/video_core/dma_pusher.cpp @@ -71,16 +71,22 @@ bool DmaPusher::Step() { gpu.MemoryManager().ReadBlockUnsafe(dma_get, command_headers.data(), command_list_header.size * sizeof(u32)); - for (const CommandHeader& command_header : command_headers) { + for (std::size_t index = 0; index < command_headers.size();) { + const CommandHeader& command_header = command_headers[index]; - // 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) { + 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( + std::min(index + dma_state.method_count, command_headers.size()) - + index); + CallMultiMethod(&command_header.argument, max_write); + dma_state.method_count -= max_write; + index += max_write; + continue; + } else { + CallMethod(command_header.argument); + } if (!dma_state.non_incrementing) { dma_state.method++; @@ -120,6 +126,7 @@ bool DmaPusher::Step() { break; } } + index++; } if (!non_main) { @@ -140,4 +147,9 @@ void DmaPusher::CallMethod(u32 argument) const { gpu.CallMethod({dma_state.method, argument, dma_state.subchannel, dma_state.method_count}); } +void DmaPusher::CallMultiMethod(const u32* base_start, u32 num_methods) const { + gpu.CallMultiMethod(dma_state.method, dma_state.subchannel, base_start, num_methods, + dma_state.method_count); +} + } // namespace Tegra diff --git a/src/video_core/dma_pusher.h b/src/video_core/dma_pusher.h index d6188614a..6cef71306 100644 --- a/src/video_core/dma_pusher.h +++ b/src/video_core/dma_pusher.h @@ -75,6 +75,7 @@ private: void SetState(const CommandHeader& command_header); void CallMethod(u32 argument) const; + void CallMultiMethod(const u32* base_start, u32 num_methods) const; std::vector command_headers; ///< Buffer for list of commands fetched at once diff --git a/src/video_core/engines/fermi_2d.cpp b/src/video_core/engines/fermi_2d.cpp index bace6affb..8a47614d2 100644 --- a/src/video_core/engines/fermi_2d.cpp +++ b/src/video_core/engines/fermi_2d.cpp @@ -28,6 +28,12 @@ void Fermi2D::CallMethod(const GPU::MethodCall& method_call) { } } +void Fermi2D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) { + for (std::size_t i = 0; i < amount; i++) { + CallMethod({method, base_start[i], 0, methods_pending - static_cast(i)}); + } +} + static std::pair DelimitLine(u32 src_1, u32 src_2, u32 dst_1, u32 dst_2, u32 src_line) { const u32 line_a = src_2 - src_1; const u32 line_b = dst_2 - dst_1; diff --git a/src/video_core/engines/fermi_2d.h b/src/video_core/engines/fermi_2d.h index dba342c70..939a5966d 100644 --- a/src/video_core/engines/fermi_2d.h +++ b/src/video_core/engines/fermi_2d.h @@ -39,6 +39,9 @@ public: /// Write the value to the register identified by method. void CallMethod(const GPU::MethodCall& method_call); + /// Write multiple values to the register identified by method. + void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending); + enum class Origin : u32 { Center = 0, Corner = 1, diff --git a/src/video_core/engines/kepler_compute.cpp b/src/video_core/engines/kepler_compute.cpp index 368c75a66..894300f57 100644 --- a/src/video_core/engines/kepler_compute.cpp +++ b/src/video_core/engines/kepler_compute.cpp @@ -51,6 +51,12 @@ void KeplerCompute::CallMethod(const GPU::MethodCall& method_call) { } } +void KeplerCompute::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) { + for (std::size_t i = 0; i < amount; i++) { + CallMethod({method, base_start[i], 0, methods_pending - static_cast(i)}); + } +} + Texture::FullTextureInfo KeplerCompute::GetTexture(std::size_t offset) const { const std::bitset<8> cbuf_mask = launch_description.const_buffer_enable_mask.Value(); ASSERT(cbuf_mask[regs.tex_cb_index]); diff --git a/src/video_core/engines/kepler_compute.h b/src/video_core/engines/kepler_compute.h index eeb79c56f..fe55fdfd0 100644 --- a/src/video_core/engines/kepler_compute.h +++ b/src/video_core/engines/kepler_compute.h @@ -202,6 +202,9 @@ public: /// Write the value to the register identified by method. void CallMethod(const GPU::MethodCall& method_call); + /// Write multiple values to the register identified by method. + void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending); + Texture::FullTextureInfo GetTexture(std::size_t offset) const; /// Given a texture handle, returns the TSC and TIC entries. diff --git a/src/video_core/engines/kepler_memory.cpp b/src/video_core/engines/kepler_memory.cpp index 597872e43..e906a1124 100644 --- a/src/video_core/engines/kepler_memory.cpp +++ b/src/video_core/engines/kepler_memory.cpp @@ -41,4 +41,10 @@ void KeplerMemory::CallMethod(const GPU::MethodCall& method_call) { } } +void KeplerMemory::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) { + for (std::size_t i = 0; i < amount; i++) { + CallMethod({method, base_start[i], 0, methods_pending - static_cast(i)}); + } +} + } // namespace Tegra::Engines diff --git a/src/video_core/engines/kepler_memory.h b/src/video_core/engines/kepler_memory.h index 396fb6e86..bb26fb030 100644 --- a/src/video_core/engines/kepler_memory.h +++ b/src/video_core/engines/kepler_memory.h @@ -40,6 +40,9 @@ public: /// Write the value to the register identified by method. void CallMethod(const GPU::MethodCall& method_call); + /// Write multiple values to the register identified by method. + void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending); + struct Regs { static constexpr size_t NUM_REGS = 0x7F; diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index 2824ed707..879ce542a 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -280,6 +280,36 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) { } } +void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) { + switch (method) { + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[3]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[4]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[5]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[6]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[7]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[8]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[9]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[10]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[11]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[12]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[13]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[14]): + case MAXWELL3D_REG_INDEX(const_buffer.cb_data[15]): { + ProcessCBMultiData(method, base_start, amount); + break; + } + default: { + for (std::size_t i = 0; i < amount; i++) { + CallMethod({method, base_start[i], 0, methods_pending - static_cast(i)}); + } + } + } + +} + void Maxwell3D::StepInstance(const MMEDrawMode expected_mode, const u32 count) { if (mme_draw.current_mode == MMEDrawMode::Undefined) { if (mme_draw.gl_begin_consume) { @@ -570,6 +600,28 @@ void Maxwell3D::StartCBData(u32 method) { ProcessCBData(regs.const_buffer.cb_data[cb_data_state.id]); } +void Maxwell3D::ProcessCBMultiData(u32 method, const u32* start_base, u32 amount) { + if (cb_data_state.current != method) { + if (cb_data_state.current != null_cb_data) { + FinishCBData(); + } + constexpr u32 first_cb_data = MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]); + cb_data_state.start_pos = regs.const_buffer.cb_pos; + cb_data_state.id = method - first_cb_data; + cb_data_state.current = method; + cb_data_state.counter = 0; + } + const std::size_t id = cb_data_state.id; + const std::size_t size = amount; + std::size_t i = 0; + for (; i < size; i++) { + cb_data_state.buffer[id][cb_data_state.counter] = start_base[i]; + cb_data_state.counter++; + } + // Increment the current buffer position. + regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4 * amount; +} + void Maxwell3D::FinishCBData() { // Write the input value to the current const buffer at the current position. const GPUVAddr buffer_address = regs.const_buffer.BufferAddress(); diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index 59d5752d2..cfcda4f53 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -1358,6 +1358,9 @@ public: /// Write the value to the register identified by method. void CallMethod(const GPU::MethodCall& method_call); + /// Write multiple values to the register identified by method. + void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending); + /// Write the value to the register identified by method. void CallMethodFromMME(const GPU::MethodCall& method_call); @@ -1511,6 +1514,7 @@ private: /// Handles a write to the CB_DATA[i] register. void StartCBData(u32 method); void ProcessCBData(u32 value); + void ProcessCBMultiData(u32 method, const u32* start_base, u32 amount); void FinishCBData(); /// Handles a write to the CB_BIND register. diff --git a/src/video_core/engines/maxwell_dma.cpp b/src/video_core/engines/maxwell_dma.cpp index 3bfed6ab8..51e606a10 100644 --- a/src/video_core/engines/maxwell_dma.cpp +++ b/src/video_core/engines/maxwell_dma.cpp @@ -36,6 +36,12 @@ void MaxwellDMA::CallMethod(const GPU::MethodCall& method_call) { #undef MAXWELLDMA_REG_INDEX } +void MaxwellDMA::CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending) { + for (std::size_t i = 0; i < amount; i++) { + CallMethod({method, base_start[i], 0, methods_pending - static_cast(i)}); + } +} + void MaxwellDMA::HandleCopy() { LOG_TRACE(HW_GPU, "Requested a DMA copy"); diff --git a/src/video_core/engines/maxwell_dma.h b/src/video_core/engines/maxwell_dma.h index 4f40d1d1f..c43ed8194 100644 --- a/src/video_core/engines/maxwell_dma.h +++ b/src/video_core/engines/maxwell_dma.h @@ -35,6 +35,9 @@ public: /// Write the value to the register identified by method. void CallMethod(const GPU::MethodCall& method_call); + /// Write multiple values to the register identified by method. + void CallMultiMethod(u32 method, const u32* base_start, u32 amount, u32 methods_pending); + struct Regs { static constexpr std::size_t NUM_REGS = 0x1D6; diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp index 3b7572d61..54e7876a6 100644 --- a/src/video_core/gpu.cpp +++ b/src/video_core/gpu.cpp @@ -209,16 +209,31 @@ void GPU::CallMethod(const MethodCall& method_call) { ASSERT(method_call.subchannel < bound_engines.size()); - if (ExecuteMethodOnEngine(method_call)) { + if (ExecuteMethodOnEngine(method_call.method)) { CallEngineMethod(method_call); } else { CallPullerMethod(method_call); } } -bool GPU::ExecuteMethodOnEngine(const MethodCall& method_call) { - const auto method = static_cast(method_call.method); - return method >= BufferMethods::NonPullerMethods; +void GPU::CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, u32 methods_pending) { + LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method, + subchannel); + + ASSERT(subchannel < bound_engines.size()); + + if (ExecuteMethodOnEngine(method)) { + CallEngineMultiMethod(method, subchannel, base_start, amount, methods_pending); + } else { + for (std::size_t i = 0; i < amount; i++) { + CallPullerMethod({method, base_start[i], subchannel, methods_pending - static_cast(i)}); + } + } +} + +bool GPU::ExecuteMethodOnEngine(u32 method) { + const auto buffer_method = static_cast(method); + return buffer_method >= BufferMethods::NonPullerMethods; } void GPU::CallPullerMethod(const MethodCall& method_call) { @@ -298,6 +313,30 @@ void GPU::CallEngineMethod(const MethodCall& method_call) { } } +void GPU::CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, u32 methods_pending) { + const EngineID engine = bound_engines[subchannel]; + + switch (engine) { + case EngineID::FERMI_TWOD_A: + fermi_2d->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::MAXWELL_B: + maxwell_3d->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::KEPLER_COMPUTE_B: + kepler_compute->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::MAXWELL_DMA_COPY_A: + maxwell_dma->CallMultiMethod(method, base_start, amount, methods_pending); + break; + case EngineID::KEPLER_INLINE_TO_MEMORY_B: + kepler_memory->CallMultiMethod(method, base_start, amount, methods_pending); + break; + default: + UNIMPLEMENTED_MSG("Unimplemented engine"); + } +} + void GPU::ProcessBindMethod(const MethodCall& method_call) { // Bind the current subchannel to the desired engine id. LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel, diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h index 5e3eb94e9..4d7e2651c 100644 --- a/src/video_core/gpu.h +++ b/src/video_core/gpu.h @@ -155,6 +155,9 @@ public: /// Calls a GPU method. void CallMethod(const MethodCall& method_call); + /// Calls a GPU multivalue method. + void CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, u32 methods_pending); + /// Flush all current written commands into the host GPU for execution. void FlushCommands(); /// Synchronizes CPU writes with Host GPU memory. @@ -309,8 +312,11 @@ private: /// Calls a GPU engine method. void CallEngineMethod(const MethodCall& method_call); + /// Calls a GPU engine multivalue method. + void CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, u32 methods_pending); + /// Determines where the method should be executed. - bool ExecuteMethodOnEngine(const MethodCall& method_call); + bool ExecuteMethodOnEngine(u32 method); protected: std::unique_ptr dma_pusher;