MacroHLE: Refactor MacroHLE system.

src/video_core/buffer_cache/buffer_cache.h

@@ -1574,7 +1574,11 @@ void BufferCache<P>::MarkWrittenBuffer(BufferId buffer_id, VAddr cpu_addr, u32 s
     if (!is_async) {
         return;
     }
+    const bool is_high_accuracy =
+        Settings::values.gpu_accuracy.GetValue() == Settings::GPUAccuracy::High;
+    if (is_high_accuracy) {
         uncommitted_ranges.add(base_interval);
+    }
 }
 
 template <class P>

src/video_core/dma_pusher.cpp

@@ -94,10 +94,10 @@ void DmaPusher::ProcessCommands(std::span<const CommandHeader> commands) {
 
         if (dma_state.method_count) {
             // Data word of methods command
+            dma_state.dma_word_offset = static_cast<u32>(index * sizeof(u32));
             if (dma_state.non_incrementing) {
                 const u32 max_write = static_cast<u32>(
                     std::min<std::size_t>(index + dma_state.method_count, commands.size()) - index);
-                dma_state.dma_word_offset = static_cast<u32>(index * sizeof(u32));
                 CallMultiMethod(&command_header.argument, max_write);
                 dma_state.method_count -= max_write;
                 dma_state.is_last_call = true;
@@ -133,6 +133,8 @@ void DmaPusher::ProcessCommands(std::span<const CommandHeader> commands) {
             case SubmissionMode::Inline:
                 dma_state.method = command_header.method;
                 dma_state.subchannel = command_header.subchannel;
+                dma_state.dma_word_offset = static_cast<u64>(
+                    -static_cast<s64>(dma_state.dma_get)); // negate to set address as 0
                 CallMethod(command_header.arg_count);
                 dma_state.non_incrementing = true;
                 dma_increment_once = false;
@@ -165,8 +167,9 @@ void DmaPusher::CallMethod(u32 argument) const {
             dma_state.method_count,
         });
     } else {
-        subchannels[dma_state.subchannel]->CallMethod(dma_state.method, argument,
+        auto subchannel = subchannels[dma_state.subchannel];
-                                                      dma_state.is_last_call);
+        subchannel->current_dma_segment = dma_state.dma_get + dma_state.dma_word_offset;
+        subchannel->CallMethod(dma_state.method, argument, dma_state.is_last_call);
     }
 }
 

src/video_core/dma_pusher.h

@@ -157,7 +157,7 @@ private:
         u32 method_count;      ///< Current method count
         u32 length_pending;    ///< Large NI command length pending
         GPUVAddr dma_get;      ///< Currently read segment
-        u32 dma_word_offset;   ///< Current word ofset from address
+        u64 dma_word_offset;   ///< Current word ofset from address
         bool non_incrementing; ///< Current command's NI flag
         bool is_last_call;
     };

src/video_core/engines/draw_manager.cpp

@@ -91,6 +91,12 @@ void DrawManager::DrawIndex(PrimitiveTopology topology, u32 index_first, u32 ind
     ProcessDraw(true, num_instances);
 }
 
+void DrawManager::DrawArrayIndirect(PrimitiveTopology topology) {
+    draw_state.topology = topology;
+
+    ProcessDrawIndirect(true);
+}
+
 void DrawManager::DrawIndexedIndirect(PrimitiveTopology topology, u32 index_first, u32 index_count) {
     const auto& regs{maxwell3d->regs};
     draw_state.topology = topology;

src/video_core/engines/draw_manager.h

@@ -56,6 +56,8 @@ public:
     void DrawIndex(PrimitiveTopology topology, u32 index_first, u32 index_count, u32 base_index,
                    u32 base_instance, u32 num_instances);
 
+    void DrawArrayIndirect(PrimitiveTopology topology);
+
     void DrawIndexedIndirect(PrimitiveTopology topology, u32 index_first, u32 index_count);
 
     const State& GetDrawState() const {

src/video_core/engines/maxwell_3d.cpp

@@ -133,15 +133,52 @@ void Maxwell3D::ProcessMacro(u32 method, const u32* base_start, u32 amount, bool
     for (size_t i = 0; i < amount; i++) {
         macro_addresses.push_back(current_dma_segment + i * sizeof(u32));
     }
+    macro_segments.emplace_back(current_dma_segment, amount);
 
     // Call the macro when there are no more parameters in the command buffer
     if (is_last_call) {
         CallMacroMethod(executing_macro, macro_params);
         macro_params.clear();
         macro_addresses.clear();
+        macro_segments.clear();
     }
 }
 
+void Maxwell3D::RefreshParameters() {
+    size_t current_index = 0;
+    for (auto& segment : macro_segments) {
+        if (segment.first == 0) {
+            current_index += segment.second;
+            continue;
+        }
+        memory_manager.ReadBlock(segment.first, &macro_params[current_index],
+                                 sizeof(u32) * segment.second);
+        current_index += segment.second;
+    }
+}
+
+u32 Maxwell3D::GetMaxCurrentVertices() {
+    u32 num_vertices = 0;
+    for (size_t index = 0; index < Regs::NumVertexArrays; ++index) {
+        const auto& array = regs.vertex_streams[index];
+        if (array.enable == 0) {
+            continue;
+        }
+        const auto& attribute = regs.vertex_attrib_format[index];
+        if (attribute.constant) {
+            num_vertices = std::max(num_vertices, 1U);
+            continue;
+        }
+        const auto& limit = regs.vertex_stream_limits[index];
+        const GPUVAddr gpu_addr_begin = array.Address();
+        const GPUVAddr gpu_addr_end = limit.Address() + 1;
+        const u32 address_size = static_cast<u32>(gpu_addr_end - gpu_addr_begin);
+        num_vertices = std::max(
+            num_vertices, address_size / std::max(attribute.SizeInBytes(), array.stride.Value()));
+    }
+    return num_vertices;
+}
+
 u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) {
     // Keep track of the register value in shadow_state when requested.
     const auto control = shadow_state.shadow_ram_control;

src/video_core/engines/maxwell_3d.h

@@ -3068,10 +3068,14 @@ public:
     friend class DrawManager;
     
     std::vector<u8> inline_index_draw_indexes;
-    std::vector<GPUVAddr> macro_addresses;
 
-    Core::System& system;
+    GPUVAddr getMacroAddress(size_t index) const {
-    MemoryManager& memory_manager;
+        return macro_addresses[index];
+    }
+
+    void RefreshParameters();
+
+    u32 GetMaxCurrentVertices();
 
     /// Handles a write to the CLEAR_BUFFERS register.
     void ProcessClearBuffers(u32 layer_count);
@@ -3135,6 +3139,9 @@ private:
     /// Returns a query's value or an empty object if the value will be deferred through a cache.
     std::optional<u64> GetQueryResult();
 
+    Core::System& system;
+    MemoryManager& memory_manager;
+
     VideoCore::RasterizerInterface* rasterizer = nullptr;
 
     /// Start offsets of each macro in macro_memory
@@ -3151,6 +3158,14 @@ private:
     Upload::State upload_state;
 
     bool execute_on{true};
+
+    std::array<bool, Regs::NUM_REGS> draw_command{};
+    std::vector<u32> deferred_draw_method;
+    enum class DrawMode : u32 { General = 0, Instance, InlineIndex };
+    DrawMode draw_mode{DrawMode::General};
+    bool draw_indexed{};
+    std::vector<std::pair<GPUVAddr, size_t>> macro_segments;
+    std::vector<GPUVAddr> macro_addresses;
 };
 
 #define ASSERT_REG_POSITION(field_name, position)                                                  \

src/video_core/macro/macro.cpp

@@ -13,6 +13,7 @@
 #include "common/fs/fs.h"
 #include "common/fs/path_util.h"
 #include "common/settings.h"
+#include "video_core/engines/maxwell_3d.h"
 #include "video_core/macro/macro.h"
 #include "video_core/macro/macro_hle.h"
 #include "video_core/macro/macro_interpreter.h"
@@ -40,8 +41,8 @@ static void Dump(u64 hash, std::span<const u32> code) {
     macro_file.write(reinterpret_cast<const char*>(code.data()), code.size_bytes());
 }
 
-MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d)
+MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d_)
-    : hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d)} {}
+    : hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d_)}, maxwell3d{maxwell3d_} {}
 
 MacroEngine::~MacroEngine() = default;
 
@@ -61,6 +62,7 @@ void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
         if (cache_info.has_hle_program) {
             cache_info.hle_program->Execute(parameters, method);
         } else {
+            maxwell3d.RefreshParameters();
             cache_info.lle_program->Execute(parameters, method);
         }
     } else {
@@ -106,6 +108,7 @@ void MacroEngine::Execute(u32 method, const std::vector<u32>& parameters) {
             cache_info.hle_program = std::move(hle_program);
             cache_info.hle_program->Execute(parameters, method);
         } else {
+            maxwell3d.RefreshParameters();
             cache_info.lle_program->Execute(parameters, method);
         }
     }

src/video_core/macro/macro.h

@@ -137,6 +137,7 @@ private:
     std::unordered_map<u32, CacheInfo> macro_cache;
     std::unordered_map<u32, std::vector<u32>> uploaded_macro_code;
     std::unique_ptr<HLEMacro> hle_macros;
+    Engines::Maxwell3D& maxwell3d;
 };
 
 std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d);

src/video_core/macro/macro_hle.cpp

@@ -3,6 +3,7 @@
 
 #include <array>
 #include <vector>
+#include "common/assert.h"
 #include "common/scope_exit.h"
 #include "video_core/dirty_flags.h"
 #include "video_core/engines/draw_manager.h"
@@ -15,24 +16,179 @@
 namespace Tegra {
 namespace {
 
-using HLEFunction = void (*)(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters);
+bool IsTopologySafe(Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology topology) {
-
+    switch (topology) {
-// HLE'd functions
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Points:
-void HLE_771BB18C62444DA0(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters) {
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Lines:
-    const u32 instance_count = parameters[2] & maxwell3d.GetRegisterValue(0xD1B);
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::LineLoop:
-    maxwell3d.draw_manager->DrawIndex(
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::LineStrip:
-        static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0] & 0x3ffffff),
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Triangles:
-        parameters[4], parameters[1], parameters[3], parameters[5], instance_count);
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::TriangleStrip:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::TriangleFan:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::LinesAdjacency:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::LineStripAdjacency:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::TrianglesAdjacency:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::TriangleStripAdjacency:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Patches:
+        return true;
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Quads:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::QuadStrip:
+    case Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology::Polygon:
+    default:
+        return false;
+    }
 }
 
-void HLE_DrawArraysIndirect(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters) {
+class HLEMacroImpl : public CachedMacro {
+public:
+    explicit HLEMacroImpl(Engines::Maxwell3D& maxwell3d_) : maxwell3d{maxwell3d_} {}
+
+protected:
+    void advanceCheck() {
+        current_value = (current_value + 1) % fibonacci_post;
+        check_limit = current_value == 0;
+        if (check_limit) {
+            const u32 new_fibonacci = fibonacci_pre + fibonacci_post;
+            fibonacci_pre = fibonacci_post;
+            fibonacci_post = new_fibonacci;
+        }
+    }
+
+    Engines::Maxwell3D& maxwell3d;
+    u32 fibonacci_pre{89};
+    u32 fibonacci_post{144};
+    u32 current_value{fibonacci_post - 1};
+    bool check_limit{};
+};
+
+class HLE_771BB18C62444DA0 final : public HLEMacroImpl {
+public:
+    explicit HLE_771BB18C62444DA0(Engines::Maxwell3D& maxwell3d_) : HLEMacroImpl(maxwell3d_) {}
+
+    void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
+        maxwell3d.RefreshParameters();
+        const u32 instance_count = parameters[2] & maxwell3d.GetRegisterValue(0xD1B);
+        maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+        maxwell3d.draw_manager->DrawIndex(
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0] &
+                                                                            0x3ffffff),
+            parameters[4], parameters[1], parameters[3], parameters[5], instance_count);
+    }
+};
+
+class HLE_DrawArraysIndirect final : public HLEMacroImpl {
+public:
+    explicit HLE_DrawArraysIndirect(Engines::Maxwell3D& maxwell3d_, bool extended_ = false)
+        : HLEMacroImpl(maxwell3d_), extended(extended_) {}
+
+    void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
+        auto topology =
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]);
+        if (!IsTopologySafe(topology)) {
+            Fallback(parameters);
+            return;
+        }
+
+        auto& params = maxwell3d.draw_manager->GetIndirectParams();
+        params.is_indexed = false;
+        params.include_count = false;
+        params.count_start_address = 0;
+        params.indirect_start_address = maxwell3d.getMacroAddress(1);
+        params.buffer_size = 4 * sizeof(u32);
+        params.max_draw_counts = 1;
+        params.stride = 0;
+
+        if (extended) {
+            maxwell3d.CallMethod(0x8e3, 0x640, true);
+            maxwell3d.CallMethod(0x8e4, parameters[4], true);
+        }
+
+        maxwell3d.draw_manager->DrawArrayIndirect(topology);
+
+        if (extended) {
+            maxwell3d.CallMethod(0x8e3, 0x640, true);
+            maxwell3d.CallMethod(0x8e4, 0, true);
+        }
+        maxwell3d.regs.vertex_buffer.first = 0;
+        maxwell3d.regs.vertex_buffer.count = 0;
+    }
+
+private:
+    void Fallback(const std::vector<u32>& parameters) {
+        SCOPE_EXIT({
+            if (extended) {
+                maxwell3d.CallMethod(0x8e3, 0x640, true);
+                maxwell3d.CallMethod(0x8e4, 0, true);
+            }
+        });
+        maxwell3d.RefreshParameters();
         const u32 instance_count = (maxwell3d.GetRegisterValue(0xD1B) & parameters[2]);
+
+        const u32 vertex_first = parameters[3];
+        const u32 vertex_count = parameters[1];
+
+        if (maxwell3d.GetMaxCurrentVertices() < vertex_first + vertex_count) {
+            ASSERT_MSG(false, "Faulty draw!");
+            return;
+        }
+
+        const u32 base_instance = parameters[4];
+        if (extended) {
+            maxwell3d.CallMethod(0x8e3, 0x640, true);
+            maxwell3d.CallMethod(0x8e4, base_instance, true);
+        }
+
         maxwell3d.draw_manager->DrawArray(
             static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]),
-        parameters[3], parameters[1], parameters[4], instance_count);
+            vertex_first, vertex_count, base_instance, instance_count);
-}
+    }
 
-void HLE_DrawIndexedIndirect(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters) {
+    bool extended;
+};
+
+class HLE_DrawIndexedIndirect final : public HLEMacroImpl {
+public:
+    explicit HLE_DrawIndexedIndirect(Engines::Maxwell3D& maxwell3d_) : HLEMacroImpl(maxwell3d_) {}
+
+    void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
+        auto topology =
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]);
+        if (!IsTopologySafe(topology)) {
+            Fallback(parameters);
+            return;
+        }
+
+        advanceCheck();
+        if (check_limit) {
+            maxwell3d.RefreshParameters();
+            minimum_limit = std::max(parameters[3], minimum_limit);
+        }
+
+        const u32 base_vertex = parameters[8];
+        const u32 base_instance = parameters[9];
+        maxwell3d.regs.vertex_id_base = base_vertex;
+        maxwell3d.CallMethod(0x8e3, 0x640, true);
+        maxwell3d.CallMethod(0x8e4, base_vertex, true);
+        maxwell3d.CallMethod(0x8e5, base_instance, true);
+        auto& params = maxwell3d.draw_manager->GetIndirectParams();
+        params.is_indexed = true;
+        params.include_count = false;
+        params.count_start_address = 0;
+        params.indirect_start_address = maxwell3d.getMacroAddress(1);
+        params.buffer_size = 5 * sizeof(u32);
+        params.max_draw_counts = 1;
+        params.stride = 0;
+        maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+        maxwell3d.draw_manager->DrawIndexedIndirect(topology, 0, minimum_limit);
+        maxwell3d.CallMethod(0x8e3, 0x640, true);
+        maxwell3d.CallMethod(0x8e4, 0x0, true);
+        maxwell3d.CallMethod(0x8e5, 0x0, true);
+    }
+
+private:
+    void Fallback(const std::vector<u32>& parameters) {
+        maxwell3d.RefreshParameters();
+        const u32 instance_count = (maxwell3d.GetRegisterValue(0xD1B) & parameters[2]);
         const u32 element_base = parameters[4];
         const u32 base_instance = parameters[5];
         maxwell3d.regs.vertex_id_base = element_base;
@@ -41,36 +197,62 @@ void HLE_DrawIndexedIndirect(Engines::Maxwell3D& maxwell3d, const std::vector<u3
         maxwell3d.CallMethod(0x8e4, element_base, true);
         maxwell3d.CallMethod(0x8e5, base_instance, true);
 
-    auto& params = maxwell3d.draw_manager->GetIndirectParams();
+        maxwell3d.draw_manager->DrawIndex(
-    params.is_indexed = true;
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]),
-    params.include_count = false;
+            parameters[3], parameters[1], element_base, base_instance, instance_count);
-    params.count_start_address = 0;
-    params.indirect_start_address = maxwell3d.macro_addresses[1];
-    params.buffer_size = 5 * sizeof(u32);
-    params.max_draw_counts = 1;
-    params.stride = 0;
-
-    maxwell3d.draw_manager->DrawIndexedIndirect(
-        static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[0]), 0,
-        1U << 18);
 
         maxwell3d.regs.vertex_id_base = 0x0;
         maxwell3d.CallMethod(0x8e3, 0x640, true);
         maxwell3d.CallMethod(0x8e4, 0x0, true);
         maxwell3d.CallMethod(0x8e5, 0x0, true);
-}
+    }
 
-// Multidraw Indixed Indirect
+    u32 minimum_limit{1 << 18};
-void HLE_MultiDrawIndexedIndirect(Engines::Maxwell3D& maxwell3d,
+};
-                                  const std::vector<u32>& parameters) {
+
+class HLE_MultiLayerClear final : public HLEMacroImpl {
+public:
+    explicit HLE_MultiLayerClear(Engines::Maxwell3D& maxwell3d_) : HLEMacroImpl(maxwell3d_) {}
+
+    void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
+        maxwell3d.RefreshParameters();
+        ASSERT(parameters.size() == 1);
+
+        const Engines::Maxwell3D::Regs::ClearSurface clear_params{parameters[0]};
+        const u32 rt_index = clear_params.RT;
+        const u32 num_layers = maxwell3d.regs.rt[rt_index].depth;
+        ASSERT(clear_params.layer == 0);
+
+        maxwell3d.regs.clear_surface.raw = clear_params.raw;
+        maxwell3d.draw_manager->Clear(num_layers);
+    }
+};
+
+class HLE_MultiDrawIndexedIndirectCount final : public HLEMacroImpl {
+public:
+    explicit HLE_MultiDrawIndexedIndirectCount(Engines::Maxwell3D& maxwell3d_)
+        : HLEMacroImpl(maxwell3d_) {}
+
+    void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
+        const auto topology =
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[2]);
+        if (!IsTopologySafe(topology)) {
+            Fallback(parameters);
+            return;
+        }
+
+        advanceCheck();
+        if (check_limit) {
+            maxwell3d.RefreshParameters();
+        }
         const u32 start_indirect = parameters[0];
         const u32 end_indirect = parameters[1];
         if (start_indirect >= end_indirect) {
             // Nothing to do.
             return;
         }
-    const auto topology =
+
-        static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[2]);
+        maxwell3d.regs.draw.topology.Assign(topology);
         const u32 padding = parameters[3]; // padding is in words
 
         // size of each indirect segment
@@ -86,72 +268,113 @@ void HLE_MultiDrawIndexedIndirect(Engines::Maxwell3D& maxwell3d,
             lowest_first = std::min(lowest_first, first_index);
             highest_limit = std::max(highest_limit, first_index + count);
         }
+        if (check_limit) {
+            minimum_limit = std::max(highest_limit, minimum_limit);
+        }
 
-    const u32 base_vertex = parameters[8];
+        maxwell3d.regs.index_buffer.first = 0;
-    const u32 base_instance = parameters[9];
+        maxwell3d.regs.index_buffer.count = std::max(highest_limit, minimum_limit);
-    maxwell3d.regs.vertex_id_base = base_vertex;
+        maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
-    maxwell3d.CallMethod(0x8e3, 0x640, true);
-    maxwell3d.CallMethod(0x8e4, base_vertex, true);
-    maxwell3d.CallMethod(0x8e5, base_instance, true);
         auto& params = maxwell3d.draw_manager->GetIndirectParams();
         params.is_indexed = true;
         params.include_count = true;
-    params.count_start_address = maxwell3d.macro_addresses[4];
+        params.count_start_address = maxwell3d.getMacroAddress(4);
-    params.indirect_start_address = maxwell3d.macro_addresses[5];
+        params.indirect_start_address = maxwell3d.getMacroAddress(5);
         params.buffer_size = stride * draw_count;
         params.max_draw_counts = draw_count;
         params.stride = stride;
         maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
         maxwell3d.draw_manager->DrawIndexedIndirect(topology, 0, highest_limit);
-}
-
-// Multi-layer Clear
-void HLE_MultiLayerClear(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters) {
-    ASSERT(parameters.size() == 1);
-
-    const Engines::Maxwell3D::Regs::ClearSurface clear_params{parameters[0]};
-    const u32 rt_index = clear_params.RT;
-    const u32 num_layers = maxwell3d.regs.rt[rt_index].depth;
-    ASSERT(clear_params.layer == 0);
-
-    maxwell3d.regs.clear_surface.raw = clear_params.raw;
-    maxwell3d.draw_manager->Clear(num_layers);
-}
-
-constexpr std::array<std::pair<u64, HLEFunction>, 5> hle_funcs{{
-    {0x771BB18C62444DA0, &HLE_771BB18C62444DA0},
-    {0x0D61FC9FAAC9FCAD, &HLE_DrawArraysIndirect},
-    {0x0217920100488FF7, &HLE_DrawIndexedIndirect},
-    {0x3F5E74B9C9A50164, &HLE_MultiDrawIndexedIndirect},
-    {0xEAD26C3E2109B06B, &HLE_MultiLayerClear},
-}};
-
-class HLEMacroImpl final : public CachedMacro {
-public:
-    explicit HLEMacroImpl(Engines::Maxwell3D& maxwell3d_, HLEFunction func_)
-        : maxwell3d{maxwell3d_}, func{func_} {}
-
-    void Execute(const std::vector<u32>& parameters, u32 method) override {
-        func(maxwell3d, parameters);
     }
 
 private:
-    Engines::Maxwell3D& maxwell3d;
+    void Fallback(const std::vector<u32>& parameters) {
-    HLEFunction func;
+        SCOPE_EXIT({
+            // Clean everything.
+            // Clean everything.
+            maxwell3d.regs.vertex_id_base = 0x0;
+            maxwell3d.CallMethod(0x8e3, 0x640, true);
+            maxwell3d.CallMethod(0x8e4, 0x0, true);
+            maxwell3d.CallMethod(0x8e5, 0x0, true);
+        });
+        maxwell3d.RefreshParameters();
+        const u32 start_indirect = parameters[0];
+        const u32 end_indirect = parameters[1];
+        if (start_indirect >= end_indirect) {
+            // Nothing to do.
+            return;
+        }
+        const auto topology =
+            static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[2]);
+        maxwell3d.regs.draw.topology.Assign(topology);
+        const u32 padding = parameters[3];
+        const std::size_t max_draws = parameters[4];
+
+        const u32 indirect_words = 5 + padding;
+        const std::size_t first_draw = start_indirect;
+        const std::size_t effective_draws = end_indirect - start_indirect;
+        const std::size_t last_draw = start_indirect + std::min(effective_draws, max_draws);
+
+        for (std::size_t index = first_draw; index < last_draw; index++) {
+            const std::size_t base = index * indirect_words + 5;
+            const u32 base_vertex = parameters[base + 3];
+            const u32 base_instance = parameters[base + 4];
+            maxwell3d.regs.vertex_id_base = base_vertex;
+            maxwell3d.CallMethod(0x8e3, 0x640, true);
+            maxwell3d.CallMethod(0x8e4, base_vertex, true);
+            maxwell3d.CallMethod(0x8e5, base_instance, true);
+            maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
+            maxwell3d.draw_manager->DrawIndex(topology, parameters[base + 2], parameters[base],
+                                              base_vertex, base_instance, parameters[base + 1]);
+        }
+    }
+
+    u32 minimum_limit{1 << 12};
 };
 
 } // Anonymous namespace
 
-HLEMacro::HLEMacro(Engines::Maxwell3D& maxwell3d_) : maxwell3d{maxwell3d_} {}
+HLEMacro::HLEMacro(Engines::Maxwell3D& maxwell3d_) : maxwell3d{maxwell3d_} {
+    builders.emplace(0x771BB18C62444DA0ULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_771BB18C62444DA0>(maxwell3d);
+                         }));
+    builders.emplace(0x0D61FC9FAAC9FCADULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_DrawArraysIndirect>(maxwell3d);
+                         }));
+    builders.emplace(0x8A4D173EB99A8603ULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_DrawArraysIndirect>(maxwell3d, true);
+                         }));
+    builders.emplace(0x0217920100488FF7ULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_DrawIndexedIndirect>(maxwell3d);
+                         }));
+    builders.emplace(0x3F5E74B9C9A50164ULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_MultiDrawIndexedIndirectCount>(maxwell3d);
+                         }));
+    builders.emplace(0xEAD26C3E2109B06BULL,
+                     std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>(
+                         [](Engines::Maxwell3D& maxwell3d) -> std::unique_ptr<CachedMacro> {
+                             return std::make_unique<HLE_MultiLayerClear>(maxwell3d);
+                         }));
+}
+
 HLEMacro::~HLEMacro() = default;
 
 std::unique_ptr<CachedMacro> HLEMacro::GetHLEProgram(u64 hash) const {
-    const auto it = std::find_if(hle_funcs.cbegin(), hle_funcs.cend(),
+    const auto it = builders.find(hash);
-                                 [hash](const auto& pair) { return pair.first == hash; });
+    if (it == builders.end()) {
-    if (it == hle_funcs.end()) {
         return nullptr;
     }
-    return std::make_unique<HLEMacroImpl>(maxwell3d, it->second);
+    return it->second(maxwell3d);
 }
 
 } // namespace Tegra

src/video_core/macro/macro_hle.h

@@ -3,7 +3,10 @@
 
 #pragma once
 
+#include <functional>
 #include <memory>
+#include <unordered_map>
+
 #include "common/common_types.h"
 
 namespace Tegra {
@@ -23,6 +26,8 @@ public:
 
 private:
     Engines::Maxwell3D& maxwell3d;
+    std::unordered_map<u64, std::function<std::unique_ptr<CachedMacro>(Engines::Maxwell3D&)>>
+        builders;
 };
 
 } // namespace Tegra