92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include <cstddef>
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "video_core/engines/engine_interface.h"
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#include "video_core/engines/engine_upload.h"
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namespace Core {
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class System;
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}
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namespace Tegra {
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class MemoryManager;
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}
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namespace VideoCore {
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class RasterizerInterface;
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}
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namespace Tegra::Engines {
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/**
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* This Engine is known as P2MF. Documentation can be found in:
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* https://github.com/envytools/envytools/blob/master/rnndb/graph/gk104_p2mf.xml
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* https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nvc0/nve4_p2mf.xml.h
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*/
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#define KEPLERMEMORY_REG_INDEX(field_name) \
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(offsetof(Tegra::Engines::KeplerMemory::Regs, field_name) / sizeof(u32))
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class KeplerMemory final : public EngineInterface {
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public:
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explicit KeplerMemory(Core::System& system_, MemoryManager& memory_manager);
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~KeplerMemory() override;
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/// Binds a rasterizer to this engine.
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void BindRasterizer(VideoCore::RasterizerInterface* rasterizer);
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/// Write the value to the register identified by method.
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void CallMethod(u32 method, u32 method_argument, bool is_last_call) override;
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/// Write multiple values to the register identified by method.
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void CallMultiMethod(u32 method, const u32* base_start, u32 amount,
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u32 methods_pending) override;
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struct Regs {
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static constexpr size_t NUM_REGS = 0x7F;
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union {
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struct {
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INSERT_PADDING_WORDS_NOINIT(0x60);
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Upload::Registers upload;
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struct {
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union {
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BitField<0, 1, u32> linear;
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};
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} exec;
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u32 data;
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INSERT_PADDING_WORDS_NOINIT(0x11);
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};
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std::array<u32, NUM_REGS> reg_array;
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};
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} regs{};
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private:
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void ConsumeSinkImpl() override;
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Core::System& system;
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Upload::State upload_state;
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};
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#define ASSERT_REG_POSITION(field_name, position) \
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static_assert(offsetof(KeplerMemory::Regs, field_name) == position * 4, \
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"Field " #field_name " has invalid position")
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ASSERT_REG_POSITION(upload, 0x60);
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ASSERT_REG_POSITION(exec, 0x6C);
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ASSERT_REG_POSITION(data, 0x6D);
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#undef ASSERT_REG_POSITION
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} // namespace Tegra::Engines
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