!!Thread drawing graphic IS MAIN THREAD!!

SMILEBASIC/graphic.d

@@ -425,7 +425,14 @@ class Graphic
         glTexCoord2f(tx2, ty1);
         glVertex3i(x + 8, y + 8, 0);
     }
-    void draw()
+    void initVM()
+    {
+        SDL_GL_MakeCurrent(petitcom.window, petitcom.contextVM);
+        glAlphaFunc(GL_GEQUAL, 0.1f);
+        glEnable(GL_ALPHA_TEST);
+        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    }
+    void draw2()
     {
         if (!GRP[0].glTexture)
         {
@@ -439,14 +446,9 @@ class Graphic
             }
             initGLGraphicPages();
         }
-        if(!drawMessageLength) return;
-        drawflag = true;
         //betuni kouzoutai demo sonnnani sokudo kawaranasasou
         auto len = drawMessageLength;
-        int s = petitcom.renderstartpos;
         GLint old;
-        auto a = &glBindFramebuffer;
-        glGetIntegerv(GL_FRAMEBUFFER_BINDING, &old);
         int oldpage = drawMessageQueue[0].page;
         glBindFramebufferEXT(GL_FRAMEBUFFER, this.GRP[oldpage].buffer);
         glDisable(GL_TEXTURE_2D);
@@ -461,25 +463,11 @@ class Graphic
             glLoadIdentity();
             glOrtho(x, x + w - 1, y, y + h - 1, -256, 1024);//wakaranai
         }
-        chScreen(0, 0, 511, 511);
         DrawType dt;
-        auto start = SDL_GetTicks();
-        int i = s;
         static const size = 255.5f;
-        int display = -1;
+        DrawMessage dm = drawMessageQueue[0];
-        for(; i < len; i++)
+        int display = dm.display;
-        {
-            DrawMessage dm = drawMessageQueue[i];
-            if(oldpage != dm.page)
-            {
-                oldpage = dm.page;
-                glBindFramebufferEXT(GL_FRAMEBUFFER, this.GRP[oldpage].buffer);
-            }
-            if (display != dm.display)
-            {
-                display = dm.display;
         chScreen(writeArea[display].x, writeArea[display].y, writeArea[display].w, writeArea[display].h);
-            }
         switch(dm.type)
         {
             case DrawType.CLIPWRITE:
@@ -487,7 +475,6 @@ class Graphic
                 writeArea[display].y = dm.y;
                 writeArea[display].w = dm.w;
                 writeArea[display].h = dm.h;
-                    chScreen(writeArea[display].x, writeArea[display].y, writeArea[display].w, writeArea[display].h);
                 break;
             case DrawType.PSET:
                 glBegin(GL_POINTS);
@@ -572,51 +559,26 @@ class Graphic
                 break;
             default:
         }
-            if(SDL_GetTicks() - start >= 16 && i != len - 1)
-            {
-                s = i + 1;
-                goto brk;
     }
-            dt = dm.type;
+    DrawMessage[] drawMessageQueue = new DrawMessage[1];
-        }
-    brk:
-        if(i == len)
-        {
-            petitcom.renderstartpos = 0;
-            drawMessageLength = 0;
-        }
-        else
-        {
-            petitcom.renderstartpos = s;
-        }
-        glBindFramebufferEXT(GL_FRAMEBUFFER, old);
-        glEnable(GL_DEPTH_TEST);
-        drawflag = false;
-        glEnable(GL_ALPHA_TEST);
-    }
-    static const int dmqqueuelen = 8192;
-    DrawMessage[] drawMessageQueue = new DrawMessage[dmqqueuelen];
     int drawMessageLength;
     bool drawflag;
+    bool flushRequired;
+    void updateVM()
+    {
+        if (flushRequired)
+            glFlush();
+        flushRequired = false;
+    }
     void sendDrawMessage(DrawMessage dm)
     {
-        //grpmutex.lock();
-        //scope(exit)
-        //    grpmutex.unlock();
-        if(drawMessageLength >= dmqqueuelen)
-        {
-            while(drawMessageLength)
-            {
-                SDL_Delay(1);
-            }
-        }
-        while(drawflag){}
         if (dm.type != DrawType.CLIPWRITE)
         {
             dm.color = petitcom.toGLColor(this.GRP[0].textureFormat, dm.color & 0xFFF8F8F8);
         }
-        drawMessageQueue[drawMessageLength] = dm;
+        drawMessageQueue[0] = dm;
-        drawMessageLength++;
+        draw2();
+        flushRequired = true;
     }
     void sendDrawMessage(DrawType type, byte page, short x, short y, uint color)
     {

SMILEBASIC/petitcomputer.d

@@ -555,6 +555,8 @@ class PetitComputer
     {
         return petitcomBackcolor;
     }
+    SDL_GLContext context;
+    SDL_GLContext contextVM;
     Object renderSync = new Object();
     void render()
     {
@@ -614,14 +616,16 @@ class PetitComputer
                 return;
             }
             SDL_Event event;
-            SDL_GLContext context;
+            SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
+            contextVM = SDL_GL_CreateContext(window);
             context = SDL_GL_CreateContext(window);
-            if(!context)
+            if(!context || !contextVM)
             {
                 write("can't create OpenGL context: ");
                 writeln(SDL_GetError.to!string);
                 return;
             }
+            SDL_GL_MakeCurrent(window, context);
             console.GRPF = graphic.createGRPF(fontFile);
             graphic.GRPFWidth = console.GRPF.surface.w;
             graphic.GRPFHeight = console.GRPF.surface.h;
@@ -651,7 +655,6 @@ class PetitComputer
             glAlphaFunc(GL_GEQUAL, 0.1f);
             glEnable(GL_ALPHA_TEST);
             glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-            xscreen(0, 512, 4);
             {
                 renderCondition.mutex.lock;
                 scope (exit)
@@ -674,7 +677,7 @@ class PetitComputer
                 synchronized(renderSync)
                 {
                     glLoadIdentity();
-                    graphic.draw();
+                    //graphic.draw();
                     chScreen(0, 0, 400, 240);
                     if(xscreenmode == 1)
                     {
@@ -932,6 +935,8 @@ class PetitComputer
                 renderCondition.mutex.unlock;
             renderCondition.wait();
         }
+        graphic.initVM();
+        xscreen(0, 512, 4);
         auto startTicks = SDL_GetTicks();
         Parser parser;
         otya.smilebasic.vm.VM vm;
@@ -1152,6 +1157,7 @@ class PetitComputer
                     vsyncFrame = 0;
                 }
                 maincnt = cast(int)((SDL_GetTicks() - startcnt) / frame);
+                graphic.updateVM();
                 if(quit)
                 {
                     quit = false;