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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2021-11-05 15:52:31 +0100 |
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committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2022-10-06 21:00:51 +0200 |
commit | 139ea93512aeead8a4aee3910a3de86eb109a838 (patch) | |
tree | 857643fc08617b7035656a51728c399f30c8c2cb /src/video_core/engines/puller.h | |
parent | NVASGPU: Fix Remap. (diff) | |
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Diffstat (limited to 'src/video_core/engines/puller.h')
-rw-r--r-- | src/video_core/engines/puller.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/video_core/engines/puller.h b/src/video_core/engines/puller.h new file mode 100644 index 000000000..d948ec790 --- /dev/null +++ b/src/video_core/engines/puller.h @@ -0,0 +1,179 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <array> +#include <cstddef> +#include <vector> +#include "common/bit_field.h" +#include "common/common_funcs.h" +#include "common/common_types.h" +#include "video_core/engines/engine_interface.h" + +namespace Core { +class System; +} + +namespace Tegra { +class MemoryManager; +class DmaPusher; + +enum class EngineID { + FERMI_TWOD_A = 0x902D, // 2D Engine + MAXWELL_B = 0xB197, // 3D Engine + KEPLER_COMPUTE_B = 0xB1C0, + KEPLER_INLINE_TO_MEMORY_B = 0xA140, + MAXWELL_DMA_COPY_A = 0xB0B5, +}; + +namespace Control { +struct ChannelState; +} +} // namespace Tegra + +namespace VideoCore { +class RasterizerInterface; +} + +namespace Tegra::Engines { + +class Puller final { +public: + struct MethodCall { + u32 method{}; + u32 argument{}; + u32 subchannel{}; + u32 method_count{}; + + explicit MethodCall(u32 method_, u32 argument_, u32 subchannel_ = 0, u32 method_count_ = 0) + : method(method_), argument(argument_), subchannel(subchannel_), + method_count(method_count_) {} + + [[nodiscard]] bool IsLastCall() const { + return method_count <= 1; + } + }; + + enum class FenceOperation : u32 { + Acquire = 0, + Increment = 1, + }; + + union FenceAction { + u32 raw; + BitField<0, 1, FenceOperation> op; + BitField<8, 24, u32> syncpoint_id; + }; + + explicit Puller(GPU& gpu_, MemoryManager& memory_manager_, DmaPusher& dma_pusher, + Control::ChannelState& channel_state); + ~Puller(); + + void CallMethod(const MethodCall& method_call); + + void CallMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, + u32 methods_pending); + + void BindRasterizer(VideoCore::RasterizerInterface* rasterizer); + + void CallPullerMethod(const MethodCall& method_call); + + void CallEngineMethod(const MethodCall& method_call); + + void CallEngineMultiMethod(u32 method, u32 subchannel, const u32* base_start, u32 amount, + u32 methods_pending); + +private: + Tegra::GPU& gpu; + + MemoryManager& memory_manager; + DmaPusher& dma_pusher; + Control::ChannelState& channel_state; + VideoCore::RasterizerInterface* rasterizer = nullptr; + + static constexpr std::size_t NUM_REGS = 0x800; + struct Regs { + static constexpr size_t NUM_REGS = 0x40; + + union { + struct { + INSERT_PADDING_WORDS_NOINIT(0x4); + struct { + u32 address_high; + u32 address_low; + + [[nodiscard]] GPUVAddr SemaphoreAddress() const { + return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | + address_low); + } + } semaphore_address; + + u32 semaphore_sequence; + u32 semaphore_trigger; + INSERT_PADDING_WORDS_NOINIT(0xC); + + // The pusher and the puller share the reference counter, the pusher only has read + // access + u32 reference_count; + INSERT_PADDING_WORDS_NOINIT(0x5); + + u32 semaphore_acquire; + u32 semaphore_release; + u32 fence_value; + FenceAction fence_action; + INSERT_PADDING_WORDS_NOINIT(0xE2); + + // Puller state + u32 acquire_mode; + u32 acquire_source; + u32 acquire_active; + u32 acquire_timeout; + u32 acquire_value; + }; + std::array<u32, NUM_REGS> reg_array; + }; + } regs{}; + + void ProcessBindMethod(const MethodCall& method_call); + void ProcessFenceActionMethod(); + void ProcessSemaphoreAcquire(); + void ProcessSemaphoreRelease(); + void ProcessSemaphoreTriggerMethod(); + void ProcessWaitForInterruptMethod(); + [[nodiscard]] bool ExecuteMethodOnEngine(u32 method); + + /// Mapping of command subchannels to their bound engine ids + std::array<EngineID, 8> bound_engines{}; + + enum class GpuSemaphoreOperation { + AcquireEqual = 0x1, + WriteLong = 0x2, + AcquireGequal = 0x4, + AcquireMask = 0x8, + }; + +#define ASSERT_REG_POSITION(field_name, position) \ + static_assert(offsetof(Regs, field_name) == position * 4, \ + "Field " #field_name " has invalid position") + + ASSERT_REG_POSITION(semaphore_address, 0x4); + ASSERT_REG_POSITION(semaphore_sequence, 0x6); + ASSERT_REG_POSITION(semaphore_trigger, 0x7); + ASSERT_REG_POSITION(reference_count, 0x14); + ASSERT_REG_POSITION(semaphore_acquire, 0x1A); + ASSERT_REG_POSITION(semaphore_release, 0x1B); + ASSERT_REG_POSITION(fence_value, 0x1C); + ASSERT_REG_POSITION(fence_action, 0x1D); + + ASSERT_REG_POSITION(acquire_mode, 0x100); + ASSERT_REG_POSITION(acquire_source, 0x101); + ASSERT_REG_POSITION(acquire_active, 0x102); + ASSERT_REG_POSITION(acquire_timeout, 0x103); + ASSERT_REG_POSITION(acquire_value, 0x104); + +#undef ASSERT_REG_POSITION +}; + +} // namespace Tegra::Engines |