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