112 lines
4.6 KiB
C++
112 lines
4.6 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <array>
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#include <vector>
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/macro/macro_hle.h"
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#include "video_core/rasterizer_interface.h"
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namespace Tegra {
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// HLE'd functions
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static void HLE_771BB18C62444DA0(Engines::Maxwell3D& maxwell3d,
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const std::vector<u32>& parameters) {
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const u32 instance_count = parameters[2] & maxwell3d.GetRegisterValue(0xD1B);
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maxwell3d.regs.draw.topology.Assign(
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static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0] &
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~(0x3ffffff << 26)));
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maxwell3d.regs.vb_base_instance = parameters[5];
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maxwell3d.mme_draw.instance_count = instance_count;
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maxwell3d.regs.vb_element_base = parameters[3];
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maxwell3d.regs.index_array.count = parameters[1];
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maxwell3d.regs.index_array.first = parameters[4];
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if (maxwell3d.ShouldExecute()) {
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maxwell3d.GetRasterizer().Draw(true, true);
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}
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maxwell3d.regs.index_array.count = 0;
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maxwell3d.mme_draw.instance_count = 0;
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maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
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}
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static void HLE_0D61FC9FAAC9FCAD(Engines::Maxwell3D& maxwell3d,
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const std::vector<u32>& parameters) {
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const u32 count = (maxwell3d.GetRegisterValue(0xD1B) & parameters[2]);
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maxwell3d.regs.vertex_buffer.first = parameters[3];
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maxwell3d.regs.vertex_buffer.count = parameters[1];
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maxwell3d.regs.vb_base_instance = parameters[4];
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maxwell3d.regs.draw.topology.Assign(
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static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]));
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maxwell3d.mme_draw.instance_count = count;
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if (maxwell3d.ShouldExecute()) {
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maxwell3d.GetRasterizer().Draw(false, true);
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}
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maxwell3d.regs.vertex_buffer.count = 0;
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maxwell3d.mme_draw.instance_count = 0;
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maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
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}
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static void HLE_0217920100488FF7(Engines::Maxwell3D& maxwell3d,
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const std::vector<u32>& parameters) {
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const u32 instance_count = (maxwell3d.GetRegisterValue(0xD1B) & parameters[2]);
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const u32 element_base = parameters[4];
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const u32 base_instance = parameters[5];
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maxwell3d.regs.index_array.first = parameters[3];
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maxwell3d.regs.reg_array[0x446] = element_base; // vertex id base?
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maxwell3d.regs.index_array.count = parameters[1];
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maxwell3d.regs.vb_element_base = element_base;
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maxwell3d.regs.vb_base_instance = base_instance;
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maxwell3d.mme_draw.instance_count = instance_count;
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maxwell3d.CallMethodFromMME(0x8e3, 0x640);
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maxwell3d.CallMethodFromMME(0x8e4, element_base);
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maxwell3d.CallMethodFromMME(0x8e5, base_instance);
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maxwell3d.regs.draw.topology.Assign(
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static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]));
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if (maxwell3d.ShouldExecute()) {
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maxwell3d.GetRasterizer().Draw(true, true);
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}
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maxwell3d.regs.reg_array[0x446] = 0x0; // vertex id base?
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maxwell3d.regs.index_array.count = 0;
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maxwell3d.regs.vb_element_base = 0x0;
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maxwell3d.regs.vb_base_instance = 0x0;
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maxwell3d.mme_draw.instance_count = 0;
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maxwell3d.CallMethodFromMME(0x8e3, 0x640);
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maxwell3d.CallMethodFromMME(0x8e4, 0x0);
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maxwell3d.CallMethodFromMME(0x8e5, 0x0);
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maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
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}
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static const std::array<std::pair<u64, HLEFunction>, 3> hle_funcs{
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std::make_pair<u64, HLEFunction>(0x771BB18C62444DA0, &HLE_771BB18C62444DA0),
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std::make_pair<u64, HLEFunction>(0x0D61FC9FAAC9FCAD, &HLE_0D61FC9FAAC9FCAD),
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std::make_pair<u64, HLEFunction>(0x0217920100488FF7, &HLE_0217920100488FF7),
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};
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HLEMacro::HLEMacro(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
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HLEMacro::~HLEMacro() = default;
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std::optional<std::unique_ptr<CachedMacro>> HLEMacro::GetHLEProgram(u64 hash) const {
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const auto it = std::find_if(hle_funcs.begin(), hle_funcs.end(),
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[hash](auto& pair) { return pair.first == hash; });
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if (it == hle_funcs.end()) {
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return std::nullopt;
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}
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return std::make_unique<HLEMacroImpl>(maxwell3d, it->second);
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}
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HLEMacroImpl::~HLEMacroImpl() = default;
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HLEMacroImpl::HLEMacroImpl(Engines::Maxwell3D& maxwell3d, HLEFunction func)
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: maxwell3d(maxwell3d), func(func) {}
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void HLEMacroImpl::Execute(const std::vector<u32>& parameters, u32 method) {
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func(maxwell3d, parameters);
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}
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} // namespace Tegra
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