gl_rasterizer: Implement line widths and smooth lines

Implements "legacy" features from OpenGL present on hardware such as
smooth lines and line width.

src/core/hle/service/nvflinger/buffer_queue.cpp

@@ -28,6 +28,7 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
     buffer.slot = slot;
     buffer.igbp_buffer = igbp_buffer;
     buffer.status = Buffer::Status::Free;
+    free_buffers.push_back(slot);
 
     queue.emplace_back(buffer);
     buffer_wait_event.writable->Signal();
@@ -35,16 +36,37 @@ void BufferQueue::SetPreallocatedBuffer(u32 slot, const IGBPBuffer& igbp_buffer)
 
 std::optional<std::pair<u32, Service::Nvidia::MultiFence*>> BufferQueue::DequeueBuffer(u32 width,
                                                                                        u32 height) {
-    auto itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
-        // Only consider free buffers. Buffers become free once again after they've been Acquired
-        // and Released by the compositor, see the NVFlinger::Compose method.
-        if (buffer.status != Buffer::Status::Free) {
-            return false;
-        }
 
-        // Make sure that the parameters match.
-        return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
-    });
+    if (free_buffers.empty()) {
+        return {};
+    }
+
+    auto f_itr = free_buffers.begin();
+    auto itr = queue.end();
+
+    while (f_itr != free_buffers.end()) {
+        auto slot = *f_itr;
+        itr = std::find_if(queue.begin(), queue.end(), [&](const Buffer& buffer) {
+            // Only consider free buffers. Buffers become free once again after they've been
+            // Acquired and Released by the compositor, see the NVFlinger::Compose method.
+            if (buffer.status != Buffer::Status::Free) {
+                return false;
+            }
+
+            if (buffer.slot != slot) {
+                return false;
+            }
+
+            // Make sure that the parameters match.
+            return buffer.igbp_buffer.width == width && buffer.igbp_buffer.height == height;
+        });
+
+        if (itr != queue.end()) {
+            free_buffers.erase(f_itr);
+            break;
+        }
+        ++f_itr;
+    }
 
     if (itr == queue.end()) {
         return {};
@@ -99,10 +121,18 @@ void BufferQueue::ReleaseBuffer(u32 slot) {
     ASSERT(itr != queue.end());
     ASSERT(itr->status == Buffer::Status::Acquired);
     itr->status = Buffer::Status::Free;
+    free_buffers.push_back(slot);
 
     buffer_wait_event.writable->Signal();
 }
 
+void BufferQueue::Disconnect() {
+    queue.clear();
+    queue_sequence.clear();
+    id = 1;
+    layer_id = 1;
+}
+
 u32 BufferQueue::Query(QueryType type) {
     LOG_WARNING(Service, "(STUBBED) called type={}", static_cast<u32>(type));
 

src/core/hle/service/nvflinger/buffer_queue.h

@@ -87,6 +87,7 @@ public:
                      Service::Nvidia::MultiFence& multi_fence);
     std::optional<std::reference_wrapper<const Buffer>> AcquireBuffer();
     void ReleaseBuffer(u32 slot);
+    void Disconnect();
     u32 Query(QueryType type);
 
     u32 GetId() const {
@@ -101,6 +102,7 @@ private:
     u32 id;
     u64 layer_id;
 
+    std::list<u32> free_buffers;
     std::vector<Buffer> queue;
     std::list<u32> queue_sequence;
     Kernel::EventPair buffer_wait_event;

src/core/hle/service/vi/vi.cpp

@@ -513,7 +513,8 @@ private:
 
         auto& buffer_queue = nv_flinger->FindBufferQueue(id);
 
-        if (transaction == TransactionId::Connect) {
+        switch (transaction) {
+        case TransactionId::Connect: {
             IGBPConnectRequestParcel request{ctx.ReadBuffer()};
             IGBPConnectResponseParcel response{
                 static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedWidth) *
@@ -521,14 +522,18 @@ private:
                 static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedHeight) *
                                  Settings::values.resolution_factor)};
             ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::SetPreallocatedBuffer) {
+            break;
+        }
+        case TransactionId::SetPreallocatedBuffer: {
             IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
 
             buffer_queue.SetPreallocatedBuffer(request.data.slot, request.buffer);
 
             IGBPSetPreallocatedBufferResponseParcel response{};
             ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::DequeueBuffer) {
+            break;
+        }
+        case TransactionId::DequeueBuffer: {
             IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
             const u32 width{request.data.width};
             const u32 height{request.data.height};
@@ -556,14 +561,18 @@ private:
                     },
                     buffer_queue.GetWritableBufferWaitEvent());
             }
-        } else if (transaction == TransactionId::RequestBuffer) {
+            break;
+        }
+        case TransactionId::RequestBuffer: {
             IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
 
             auto& buffer = buffer_queue.RequestBuffer(request.slot);
 
             IGBPRequestBufferResponseParcel response{buffer};
             ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::QueueBuffer) {
+            break;
+        }
+        case TransactionId::QueueBuffer: {
             IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
 
             buffer_queue.QueueBuffer(request.data.slot, request.data.transform,
@@ -572,7 +581,9 @@ private:
 
             IGBPQueueBufferResponseParcel response{1280, 720};
             ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::Query) {
+            break;
+        }
+        case TransactionId::Query: {
             IGBPQueryRequestParcel request{ctx.ReadBuffer()};
 
             const u32 value =
@@ -580,15 +591,30 @@ private:
 
             IGBPQueryResponseParcel response{value};
             ctx.WriteBuffer(response.Serialize());
-        } else if (transaction == TransactionId::CancelBuffer) {
+            break;
+        }
+        case TransactionId::CancelBuffer: {
             LOG_CRITICAL(Service_VI, "(STUBBED) called, transaction=CancelBuffer");
-        } else if (transaction == TransactionId::Disconnect ||
-                   transaction == TransactionId::DetachBuffer) {
+            break;
+        }
+        case TransactionId::Disconnect: {
+            LOG_WARNING(Service_VI, "(STUBBED) called, transaction=Disconnect");
+            const auto buffer = ctx.ReadBuffer();
+
+            buffer_queue.Disconnect();
+
+            IGBPEmptyResponseParcel response{};
+            ctx.WriteBuffer(response.Serialize());
+            break;
+        }
+        case TransactionId::DetachBuffer: {
             const auto buffer = ctx.ReadBuffer();
 
             IGBPEmptyResponseParcel response{};
             ctx.WriteBuffer(response.Serialize());
-        } else {
+            break;
+        }
+        default:
             ASSERT_MSG(false, "Unimplemented");
         }
 

src/video_core/engines/maxwell_3d.h

@@ -312,6 +312,35 @@ public:
             }
         };
 
+        struct MsaaSampleLocation {
+            union {
+                BitField<0, 4, u32> x0;
+                BitField<4, 4, u32> y0;
+                BitField<8, 4, u32> x1;
+                BitField<12, 4, u32> y1;
+                BitField<16, 4, u32> x2;
+                BitField<20, 4, u32> y2;
+                BitField<24, 4, u32> x3;
+                BitField<28, 4, u32> y3;
+            };
+
+            constexpr std::pair<u32, u32> Location(int index) const {
+                switch (index) {
+                case 0:
+                    return {x0, y0};
+                case 1:
+                    return {x1, y1};
+                case 2:
+                    return {x2, y2};
+                case 3:
+                    return {x3, y3};
+                default:
+                    UNREACHABLE();
+                    return {0, 0};
+                }
+            }
+        };
+
         enum class DepthMode : u32 {
             MinusOneToOne = 0,
             ZeroToOne = 1,
@@ -793,7 +822,13 @@ public:
 
                 u32 rt_separate_frag_data;
 
-                INSERT_UNION_PADDING_WORDS(0xC);
+                INSERT_UNION_PADDING_WORDS(0x1);
+
+                u32 multisample_raster_enable;
+                u32 multisample_raster_samples;
+                std::array<u32, 4> multisample_sample_mask;
+
+                INSERT_UNION_PADDING_WORDS(0x5);
 
                 struct {
                     u32 address_high;
@@ -830,7 +865,16 @@ public:
 
                 std::array<VertexAttribute, NumVertexAttributes> vertex_attrib_format;
 
-                INSERT_UNION_PADDING_WORDS(0xF);
+                std::array<MsaaSampleLocation, 4> multisample_sample_locations;
+
+                INSERT_UNION_PADDING_WORDS(0x2);
+
+                union {
+                    BitField<0, 1, u32> enable;
+                    BitField<4, 3, u32> target;
+                } multisample_coverage_to_color;
+
+                INSERT_UNION_PADDING_WORDS(0x8);
 
                 struct {
                     union {
@@ -922,7 +966,10 @@ public:
                     BitField<4, 1, u32> triangle_rast_flip;
                 } screen_y_control;
 
-                INSERT_UNION_PADDING_WORDS(0x21);
+                float line_width_smooth;
+                float line_width_aliased;
+
+                INSERT_UNION_PADDING_WORDS(0x1F);
 
                 u32 vb_element_base;
                 u32 vb_base_instance;
@@ -943,7 +990,7 @@ public:
 
                 CounterReset counter_reset;
 
-                INSERT_UNION_PADDING_WORDS(0x1);
+                u32 multisample_enable;
 
                 u32 zeta_enable;
 
@@ -980,7 +1027,7 @@ public:
 
                 float polygon_offset_factor;
 
-                INSERT_UNION_PADDING_WORDS(0x1);
+                u32 line_smooth_enable;
 
                 struct {
                     u32 tic_address_high;
@@ -1007,7 +1054,11 @@ public:
 
                 float polygon_offset_units;
 
-                INSERT_UNION_PADDING_WORDS(0x11);
+                INSERT_UNION_PADDING_WORDS(0x4);
+
+                Tegra::Texture::MsaaMode multisample_mode;
+
+                INSERT_UNION_PADDING_WORDS(0xC);
 
                 union {
                     BitField<2, 1, u32> coord_origin;
@@ -1507,12 +1558,17 @@ ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
 ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
 ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
 ASSERT_REG_POSITION(color_mask_common, 0x3E4);
-ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
 ASSERT_REG_POSITION(depth_bounds, 0x3E7);
+ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
+ASSERT_REG_POSITION(multisample_raster_enable, 0x3ED);
+ASSERT_REG_POSITION(multisample_raster_samples, 0x3EE);
+ASSERT_REG_POSITION(multisample_sample_mask, 0x3EF);
 ASSERT_REG_POSITION(zeta, 0x3F8);
 ASSERT_REG_POSITION(clear_flags, 0x43E);
 ASSERT_REG_POSITION(fill_rectangle, 0x44F);
 ASSERT_REG_POSITION(vertex_attrib_format, 0x458);
+ASSERT_REG_POSITION(multisample_sample_locations, 0x478);
+ASSERT_REG_POSITION(multisample_coverage_to_color, 0x47E);
 ASSERT_REG_POSITION(rt_control, 0x487);
 ASSERT_REG_POSITION(zeta_width, 0x48a);
 ASSERT_REG_POSITION(zeta_height, 0x48b);
@@ -1538,6 +1594,8 @@ ASSERT_REG_POSITION(stencil_front_func_mask, 0x4E6);
 ASSERT_REG_POSITION(stencil_front_mask, 0x4E7);
 ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
 ASSERT_REG_POSITION(screen_y_control, 0x4EB);
+ASSERT_REG_POSITION(line_width_smooth, 0x4EC);
+ASSERT_REG_POSITION(line_width_aliased, 0x4ED);
 ASSERT_REG_POSITION(vb_element_base, 0x50D);
 ASSERT_REG_POSITION(vb_base_instance, 0x50E);
 ASSERT_REG_POSITION(clip_distance_enabled, 0x544);
@@ -1545,11 +1603,13 @@ ASSERT_REG_POSITION(samplecnt_enable, 0x545);
 ASSERT_REG_POSITION(point_size, 0x546);
 ASSERT_REG_POSITION(point_sprite_enable, 0x548);
 ASSERT_REG_POSITION(counter_reset, 0x54C);
+ASSERT_REG_POSITION(multisample_enable, 0x54D);
 ASSERT_REG_POSITION(zeta_enable, 0x54E);
 ASSERT_REG_POSITION(multisample_control, 0x54F);
 ASSERT_REG_POSITION(condition, 0x554);
 ASSERT_REG_POSITION(tsc, 0x557);
-ASSERT_REG_POSITION(polygon_offset_factor, 0x55b);
+ASSERT_REG_POSITION(polygon_offset_factor, 0x55B);
+ASSERT_REG_POSITION(line_smooth_enable, 0x55C);
 ASSERT_REG_POSITION(tic, 0x55D);
 ASSERT_REG_POSITION(stencil_two_side_enable, 0x565);
 ASSERT_REG_POSITION(stencil_back_op_fail, 0x566);
@@ -1558,6 +1618,7 @@ ASSERT_REG_POSITION(stencil_back_op_zpass, 0x568);
 ASSERT_REG_POSITION(stencil_back_func_func, 0x569);
 ASSERT_REG_POSITION(framebuffer_srgb, 0x56E);
 ASSERT_REG_POSITION(polygon_offset_units, 0x56F);
+ASSERT_REG_POSITION(multisample_mode, 0x574);
 ASSERT_REG_POSITION(point_coord_replace, 0x581);
 ASSERT_REG_POSITION(code_address, 0x582);
 ASSERT_REG_POSITION(draw, 0x585);

src/video_core/engines/shader_bytecode.h

@@ -290,6 +290,23 @@ enum class VmadShr : u64 {
     Shr15 = 2,
 };
 
+enum class VmnmxType : u64 {
+    Bits8,
+    Bits16,
+    Bits32,
+};
+
+enum class VmnmxOperation : u64 {
+    Mrg_16H = 0,
+    Mrg_16L = 1,
+    Mrg_8B0 = 2,
+    Mrg_8B2 = 3,
+    Acc = 4,
+    Min = 5,
+    Max = 6,
+    Nop = 7,
+};
+
 enum class XmadMode : u64 {
     None = 0,
     CLo = 1,
@@ -1650,6 +1667,42 @@ union Instruction {
         BitField<47, 1, u64> cc;
     } vmad;
 
+    union {
+        BitField<54, 1, u64> is_dest_signed;
+        BitField<48, 1, u64> is_src_a_signed;
+        BitField<49, 1, u64> is_src_b_signed;
+        BitField<37, 2, u64> src_format_a;
+        BitField<29, 2, u64> src_format_b;
+        BitField<56, 1, u64> mx;
+        BitField<55, 1, u64> sat;
+        BitField<36, 2, u64> selector_a;
+        BitField<28, 2, u64> selector_b;
+        BitField<50, 1, u64> is_op_b_register;
+        BitField<51, 3, VmnmxOperation> operation;
+
+        VmnmxType SourceFormatA() const {
+            switch (src_format_a) {
+            case 0b11:
+                return VmnmxType::Bits32;
+            case 0b10:
+                return VmnmxType::Bits16;
+            default:
+                return VmnmxType::Bits8;
+            }
+        }
+
+        VmnmxType SourceFormatB() const {
+            switch (src_format_b) {
+            case 0b11:
+                return VmnmxType::Bits32;
+            case 0b10:
+                return VmnmxType::Bits16;
+            default:
+                return VmnmxType::Bits8;
+            }
+        }
+    } vmnmx;
+
     union {
         BitField<20, 16, u64> imm20_16;
         BitField<35, 1, u64> high_b_rr; // used on RR
@@ -1763,6 +1816,7 @@ public:
         MEMBAR,
         VMAD,
         VSETP,
+        VMNMX,
         FFMA_IMM, // Fused Multiply and Add
         FFMA_CR,
         FFMA_RC,
@@ -2070,6 +2124,7 @@ private:
             INST("1110111110011---", Id::MEMBAR, Type::Trivial, "MEMBAR"),
             INST("01011111--------", Id::VMAD, Type::Video, "VMAD"),
             INST("0101000011110---", Id::VSETP, Type::Video, "VSETP"),
+            INST("0011101---------", Id::VMNMX, Type::Video, "VMNMX"),
             INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"),
             INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"),
             INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"),
@@ -2170,7 +2225,7 @@ private:
             INST("0011011-11111---", Id::SHF_LEFT_IMM, Type::Shift, "SHF_LEFT_IMM"),
             INST("0100110011100---", Id::I2I_C, Type::Conversion, "I2I_C"),
             INST("0101110011100---", Id::I2I_R, Type::Conversion, "I2I_R"),
-            INST("0011101-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
+            INST("0011100-11100---", Id::I2I_IMM, Type::Conversion, "I2I_IMM"),
             INST("0100110010111---", Id::I2F_C, Type::Conversion, "I2F_C"),
             INST("0101110010111---", Id::I2F_R, Type::Conversion, "I2F_R"),
             INST("0011100-10111---", Id::I2F_IMM, Type::Conversion, "I2F_IMM"),

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -496,6 +496,7 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
     SyncPrimitiveRestart();
     SyncScissorTest();
     SyncPointState();
+    SyncLineState();
     SyncPolygonOffset();
     SyncAlphaTest();
     SyncFramebufferSRGB();
@@ -1311,6 +1312,19 @@ void RasterizerOpenGL::SyncPointState() {
     glDisable(GL_PROGRAM_POINT_SIZE);
 }
 
+void RasterizerOpenGL::SyncLineState() {
+    auto& gpu = system.GPU().Maxwell3D();
+    auto& flags = gpu.dirty.flags;
+    if (!flags[Dirty::LineWidth]) {
+        return;
+    }
+    flags[Dirty::LineWidth] = false;
+
+    const auto& regs = gpu.regs;
+    oglEnable(GL_LINE_SMOOTH, regs.line_smooth_enable);
+    glLineWidth(regs.line_smooth_enable ? regs.line_width_smooth : regs.line_width_aliased);
+}
+
 void RasterizerOpenGL::SyncPolygonOffset() {
     auto& gpu = system.GPU().Maxwell3D();
     auto& flags = gpu.dirty.flags;

src/video_core/renderer_opengl/gl_rasterizer.h

@@ -171,6 +171,9 @@ private:
     /// Syncs the point state to match the guest state
     void SyncPointState();
 
+    /// Syncs the line state to match the guest state
+    void SyncLineState();
+
     /// Syncs the rasterizer enable state to match the guest state
     void SyncRasterizeEnable();
 

src/video_core/renderer_opengl/gl_state_tracker.cpp

@@ -185,6 +185,12 @@ void SetupDirtyPointSize(Tables& tables) {
     tables[0][OFF(point_sprite_enable)] = PointSize;
 }
 
+void SetupDirtyLineWidth(Tables& tables) {
+    tables[0][OFF(line_width_smooth)] = LineWidth;
+    tables[0][OFF(line_width_aliased)] = LineWidth;
+    tables[0][OFF(line_smooth_enable)] = LineWidth;
+}
+
 void SetupDirtyClipControl(Tables& tables) {
     auto& table = tables[0];
     table[OFF(screen_y_control)] = ClipControl;
@@ -233,6 +239,7 @@ void StateTracker::Initialize() {
     SetupDirtyLogicOp(tables);
     SetupDirtyFragmentClampColor(tables);
     SetupDirtyPointSize(tables);
+    SetupDirtyLineWidth(tables);
     SetupDirtyClipControl(tables);
     SetupDirtyDepthClampEnabled(tables);
     SetupDirtyMisc(tables);

src/video_core/renderer_opengl/gl_state_tracker.h

@@ -78,6 +78,7 @@ enum : u8 {
     LogicOp,
     FragmentClampColor,
     PointSize,
+    LineWidth,
     ClipControl,
     DepthClampEnabled,
 

src/video_core/shader/decode/video.cpp

@@ -10,16 +10,24 @@
 
 namespace VideoCommon::Shader {
 
+using std::move;
 using Tegra::Shader::Instruction;
 using Tegra::Shader::OpCode;
 using Tegra::Shader::Pred;
 using Tegra::Shader::VideoType;
 using Tegra::Shader::VmadShr;
+using Tegra::Shader::VmnmxOperation;
+using Tegra::Shader::VmnmxType;
 
 u32 ShaderIR::DecodeVideo(NodeBlock& bb, u32 pc) {
     const Instruction instr = {program_code[pc]};
     const auto opcode = OpCode::Decode(instr);
 
+    if (opcode->get().GetId() == OpCode::Id::VMNMX) {
+        DecodeVMNMX(bb, instr);
+        return pc;
+    }
+
     const Node op_a =
         GetVideoOperand(GetRegister(instr.gpr8), instr.video.is_byte_chunk_a, instr.video.signed_a,
                         instr.video.type_a, instr.video.byte_height_a);
@@ -109,4 +117,54 @@ Node ShaderIR::GetVideoOperand(Node op, bool is_chunk, bool is_signed,
     }
 }
 
+void ShaderIR::DecodeVMNMX(NodeBlock& bb, Tegra::Shader::Instruction instr) {
+    UNIMPLEMENTED_IF(!instr.vmnmx.is_op_b_register);
+    UNIMPLEMENTED_IF(instr.vmnmx.SourceFormatA() != VmnmxType::Bits32);
+    UNIMPLEMENTED_IF(instr.vmnmx.SourceFormatB() != VmnmxType::Bits32);
+    UNIMPLEMENTED_IF(instr.vmnmx.is_src_a_signed != instr.vmnmx.is_src_b_signed);
+    UNIMPLEMENTED_IF(instr.vmnmx.sat);
+    UNIMPLEMENTED_IF(instr.generates_cc);
+
+    Node op_a = GetRegister(instr.gpr8);
+    Node op_b = GetRegister(instr.gpr20);
+    Node op_c = GetRegister(instr.gpr39);
+
+    const bool is_oper1_signed = instr.vmnmx.is_src_a_signed; // Stubbed
+    const bool is_oper2_signed = instr.vmnmx.is_dest_signed;
+
+    const auto operation_a = instr.vmnmx.mx ? OperationCode::IMax : OperationCode::IMin;
+    Node value = SignedOperation(operation_a, is_oper1_signed, move(op_a), move(op_b));
+
+    switch (instr.vmnmx.operation) {
+    case VmnmxOperation::Mrg_16H:
+        value = BitfieldInsert(move(op_c), move(value), 16, 16);
+        break;
+    case VmnmxOperation::Mrg_16L:
+        value = BitfieldInsert(move(op_c), move(value), 0, 16);
+        break;
+    case VmnmxOperation::Mrg_8B0:
+        value = BitfieldInsert(move(op_c), move(value), 0, 8);
+        break;
+    case VmnmxOperation::Mrg_8B2:
+        value = BitfieldInsert(move(op_c), move(value), 16, 8);
+        break;
+    case VmnmxOperation::Acc:
+        value = Operation(OperationCode::IAdd, move(value), move(op_c));
+        break;
+    case VmnmxOperation::Min:
+        value = SignedOperation(OperationCode::IMin, is_oper2_signed, move(value), move(op_c));
+        break;
+    case VmnmxOperation::Max:
+        value = SignedOperation(OperationCode::IMax, is_oper2_signed, move(value), move(op_c));
+        break;
+    case VmnmxOperation::Nop:
+        break;
+    default:
+        UNREACHABLE();
+        break;
+    }
+
+    SetRegister(bb, instr.gpr0, move(value));
+}
+
 } // namespace VideoCommon::Shader

src/video_core/shader/shader_ir.h

@@ -354,6 +354,9 @@ private:
     /// Marks the usage of a input or output attribute.
     void MarkAttributeUsage(Tegra::Shader::Attribute::Index index, u64 element);
 
+    /// Decodes VMNMX instruction and inserts its code into the passed basic block.
+    void DecodeVMNMX(NodeBlock& bb, Tegra::Shader::Instruction instr);
+
     void WriteTexInstructionFloat(NodeBlock& bb, Tegra::Shader::Instruction instr,
                                   const Node4& components);
 

src/video_core/textures/texture.h

@@ -131,6 +131,20 @@ enum class SwizzleSource : u32 {
     OneFloat = 7,
 };
 
+enum class MsaaMode : u32 {
+    Msaa1x1 = 0,
+    Msaa2x1 = 1,
+    Msaa2x2 = 2,
+    Msaa4x2 = 3,
+    Msaa4x2_D3D = 4,
+    Msaa2x1_D3D = 5,
+    Msaa4x4 = 6,
+    Msaa2x2_VC4 = 8,
+    Msaa2x2_VC12 = 9,
+    Msaa4x2_VC8 = 10,
+    Msaa4x2_VC24 = 11,
+};
+
 union TextureHandle {
     TextureHandle(u32 raw) : raw{raw} {}
 
@@ -197,6 +211,7 @@ struct TICEntry {
     union {
         BitField<0, 4, u32> res_min_mip_level;
         BitField<4, 4, u32> res_max_mip_level;
+        BitField<8, 4, MsaaMode> msaa_mode;
         BitField<12, 12, u32> min_lod_clamp;
     };
 

src/yuzu/game_list.cpp

@@ -315,7 +315,7 @@ GameList::GameList(FileSys::VirtualFilesystem vfs, FileSys::ManualContentProvide
         item_model->setHeaderData(COLUMN_FILE_TYPE - 1, Qt::Horizontal, tr("File type"));
         item_model->setHeaderData(COLUMN_SIZE - 1, Qt::Horizontal, tr("Size"));
     }
-    item_model->setSortRole(GameListItemPath::TitleRole);
+    item_model->setSortRole(GameListItemPath::SortRole);
 
     connect(main_window, &GMainWindow::UpdateThemedIcons, this, &GameList::onUpdateThemedIcons);
     connect(tree_view, &QTreeView::activated, this, &GameList::ValidateEntry);
@@ -441,6 +441,8 @@ void GameList::DonePopulating(QStringList watch_list) {
     if (children_total > 0) {
         search_field->setFocus();
     }
+    item_model->sort(tree_view->header()->sortIndicatorSection(),
+                     tree_view->header()->sortIndicatorOrder());
 }
 
 void GameList::PopupContextMenu(const QPoint& menu_location) {
@@ -666,8 +668,6 @@ void GameList::LoadInterfaceLayout() {
         // so make it as large as possible as default.
         header->resizeSection(COLUMN_NAME, header->width());
     }
-
-    item_model->sort(header->sortIndicatorSection(), header->sortIndicatorOrder());
 }
 
 const QStringList GameList::supported_file_extensions = {

src/yuzu/game_list_p.h

@@ -65,10 +65,10 @@ public:
  */
 class GameListItemPath : public GameListItem {
 public:
-    static const int TitleRole = SortRole;
-    static const int FullPathRole = SortRole + 1;
-    static const int ProgramIdRole = SortRole + 2;
-    static const int FileTypeRole = SortRole + 3;
+    static const int TitleRole = SortRole + 1;
+    static const int FullPathRole = SortRole + 2;
+    static const int ProgramIdRole = SortRole + 3;
+    static const int FileTypeRole = SortRole + 4;
 
     GameListItemPath() = default;
     GameListItemPath(const QString& game_path, const std::vector<u8>& picture_data,
@@ -95,7 +95,7 @@ public:
     }
 
     QVariant data(int role) const override {
-        if (role == Qt::DisplayRole) {
+        if (role == Qt::DisplayRole || role == SortRole) {
             std::string filename;
             Common::SplitPath(data(FullPathRole).toString().toStdString(), nullptr, &filename,
                               nullptr);
@@ -110,6 +110,9 @@ public:
             const auto& row1 = row_data.at(UISettings::values.row_1_text_id);
             const int row2_id = UISettings::values.row_2_text_id;
 
+            if (role == SortRole)
+                return row1.toLower();
+
             if (row2_id == 4) // None
                 return row1;
 
@@ -123,6 +126,13 @@ public:
 
         return GameListItem::data(role);
     }
+
+    /**
+     * Override to prevent automatic sorting.
+     */
+    bool operator<(const QStandardItem& other) const override {
+        return false;
+    }
 };
 
 class GameListItemCompat : public GameListItem {
@@ -289,6 +299,10 @@ public:
     int type() const override {
         return static_cast<int>(GameListItemType::AddDir);
     }
+
+    bool operator<(const QStandardItem& other) const override {
+        return false;
+    }
 };
 
 class GameList;