ADD: Экспериментальная поддержка прямого доступа к видеопамяти

CHG: Исправлены настройки конфигурации RELEASE

src/BipEmulator.Host/BipEmulator.Host.csproj

@@ -32,6 +32,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -55,6 +56,7 @@
   <ItemGroup>
     <Compile Include="BitReader.cs" />
     <Compile Include="ColorArray.cs" />
+    <Compile Include="ColorIndexEnum.cs" />
     <Compile Include="DisplayNameAttribute.cs" />
     <Compile Include="ColorSelectionForm.cs">
       <SubType>Form</SubType>

src/BipEmulator.Host/ColorIndexEnum.cs

@@ -0,0 +1,14 @@
+namespace BipEmulator.Host
+{
+    public enum ColorIndexEnum
+    {
+        Black = 0,
+        Blue = 1,
+        Green = 2,
+        Aqua = 3,
+        Red = 4,
+        Purple = 5,
+        Yellow = 6,
+        White = 7,
+    }
+}

src/BipEmulator.Host/FunctionNames.cs

@@ -29,5 +29,8 @@
         public const string TEXT_OUT_CENTER = "text_out_center";
         public const string TEXT_WIDTH = "text_width";
         public const string VIBRATE = "vibrate";
+
+        // special emulator functions
+        public const string SHARED_MEMORY_ENABLED = "__shared_memory_enabled__";
     }
 }

src/BipEmulator.Host/MainForm.cs

@@ -4,6 +4,7 @@ using System.Diagnostics;
 using System.Drawing;
 using System.Globalization;
 using System.IO;
+using System.IO.MemoryMappedFiles;
 using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;
@@ -13,6 +14,7 @@ namespace BipEmulator.Host
 {
     public partial class MainForm : Form, IMessageFilter
     {
+        const int VIDEO_MEMORY_SIZE = 15488;
         /// <summary>
         /// Функция обратного вызова
         /// </summary>
@@ -29,6 +31,11 @@ namespace BipEmulator.Host
 
         private IntPtr _hrmDataPointer = IntPtr.Zero;
 
+        private bool _useSharedVideoMemory;
+        MemoryMappedFile _sharedMemoryFile;
+        MemoryMappedViewStream _sharedMemoryViewStream;
+        private byte[] _videoMemory = new byte[VIDEO_MEMORY_SIZE];
+
         public MainForm()
         {
             InitializeComponent();
@@ -134,7 +141,15 @@ namespace BipEmulator.Host
                     return ucScreen.GetTextWidth(args[1].ToString());
 
                 case FunctionNames.REPAINT_SCREEN_LINES:
+
+                    if (_useSharedVideoMemory)
+                    {
+                        _sharedMemoryViewStream.Position = 0;
+                        _sharedMemoryViewStream.Read(_videoMemory, 0, 15488);
+                        ucScreen.SetVideoData(_videoMemory);
+                    }
                     ucScreen.RepaintScreenLines((int)args[1], (int)args[2]);
+
                     if (ucScreen.InvokeRequired)
                     {
                         try
@@ -303,6 +318,10 @@ namespace BipEmulator.Host
                     }
                     return (int)locale;
 
+                case FunctionNames.SHARED_MEMORY_ENABLED:
+                    _useSharedVideoMemory = OpenFileMapping();
+                    return _useSharedVideoMemory ? 1 : 0;
+
                 // заглушки
 
                 case FunctionNames.VIBRATE:
@@ -321,6 +340,21 @@ namespace BipEmulator.Host
             return null;
         }
 
+        private bool OpenFileMapping()
+        {
+            try
+            {
+                _sharedMemoryFile = MemoryMappedFile.OpenExisting("meme", MemoryMappedFileRights.ReadWrite);
+                _sharedMemoryViewStream = _sharedMemoryFile.CreateViewStream();
+            }
+            catch(Exception e)
+            {
+                return false;
+            }
+
+            return true;
+        }
+
         private LocaleEnum GetCurrentLocale()
         {
             foreach (LocaleEnum locale in Enum.GetValues(typeof(LocaleEnum)))

src/BipEmulator.Host/WatchScreen.cs

@@ -35,6 +35,7 @@ namespace BipEmulator.Host
             _ftMaker = new FtMaker(_ftFile);
         }
 
+
         protected override void OnSizeChanged(EventArgs e)
         {
             Width = SIZE;
@@ -177,5 +178,43 @@ namespace BipEmulator.Host
         {
             return Color.FromArgb(value & 0xff, (value >> 8) & 0xff, (value >> 16) & 0xff);
         }
+
+        private Color GetColorByIndex(int index)
+        {
+            switch((ColorIndexEnum)index)
+            {
+                case ColorIndexEnum.Black:
+                    return Colors.Black;
+                case ColorIndexEnum.Blue:
+                    return Colors.Blue;
+                case ColorIndexEnum.Green:
+                    return Colors.Green;
+                case ColorIndexEnum.Aqua:
+                    return Colors.Aqua;
+                case ColorIndexEnum.Purple:
+                    return Colors.Purple;
+                case ColorIndexEnum.Red:
+                    return Colors.Red;
+                case ColorIndexEnum.Yellow:
+                    return Colors.Yellow;
+                default:
+                    return Colors.Black;
+            }
+        }
+
+        internal void SetVideoData(byte[] videoMemory)
+        {
+            var shadow = new FastBitmap(_shadowImage);
+            shadow.Lock();
+            var offset = 0;
+            for(var y=0;y<SIZE;y++)
+                for(var x=0;x<SIZE;x+=2)
+                {
+                    shadow.SetPixel(x, y, GetColorByIndex(videoMemory[offset] >> 4));
+                    shadow.SetPixel(x+1, y, GetColorByIndex(videoMemory[offset] & 0xf));
+                    offset++;
+                }
+            shadow.Unlock();
+        }
     }
 }

src/BipEmulator.Proxy/BipEmulator.Proxy.vcxproj

@@ -99,8 +99,9 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
-      <PrecompiledHeader>Use</PrecompiledHeader>
-      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
+      <PrecompiledHeaderFile>
+      </PrecompiledHeaderFile>
       <WarningLevel>Level3</WarningLevel>
       <PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>

src/BipEmulator.Proxy/ProxyLib.cpp

@@ -239,6 +239,10 @@ const char* SETTINGS_FILE = "settings.bin";
 static struct regmenu_* _stored_reg_menu;
 static struct global_app_data_t* global_app_data;
 
+HANDLE _shared_memory_handle = nullptr;
+void* _shared_memory_buffer = nullptr;
+
+
 int main_proxy()
 {
     // ýìóëèðóåì ïåðâè÷íûé çàïóñê
@@ -590,3 +594,20 @@ void vTaskDelay(int delay_ms)
     System::Threading::Tasks::Task::Delay(delay_ms);
 }
 
+void* get_ptr_screen_memory()
+{
+    if (_shared_memory_handle == nullptr)
+    {
+        _shared_memory_handle = CreateFileMapping((HANDLE)INVALID_HANDLE_VALUE, nullptr, PAGE_READWRITE, 0, VIDEO_MEMORY_SIZE, L"meme");
+        if (_shared_memory_handle != nullptr)
+            _shared_memory_buffer = MapViewOfFile(_shared_memory_handle, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, VIDEO_MEMORY_SIZE);
+
+        if (_shared_memory_buffer != nullptr)
+        {
+            int res = BipEmulatorProxy::ProxyLib::CallbackInt("__shared_memory_enabled__");
+        }
+    }
+
+    return _shared_memory_buffer;
+}
+

src/BipEmulator.Proxy/libbip.h

@@ -17,6 +17,7 @@
 #define abssub(x,y) ((x) > (y) ? (x)-(y) : (y)-(x))
 #endif
 
+#define VIDEO_MEMORY_SIZE 15488
 
 #define NULL ((void*)0)
 
@@ -198,6 +199,9 @@ typedef struct {
 #define NOTIFY_TYPE_LOW_BAT     42
 
 
+// óêàçàòåëü íà ïàìÿòü ýêðàíà
+void* get_ptr_screen_memory();
+
 unsigned char get_var_menu_overlay();
 
 int vibrate(int count, int on_ms, int off_ms);