sw_engine raster: code refactoring

[platform/core/graphics/tizenvg.git] / src / lib / tvgCanvasImpl.h

diff --git a/src/lib/tvgCanvasImpl.h b/src/lib/tvgCanvasImpl.h
index 4e15ace..848c03a 100644 (file)
--- a/src/lib/tvgCanvasImpl.h
+++ b/src/lib/tvgCanvasImpl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. All rights reserved.
 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -22,7 +22,7 @@
 #ifndef _TVG_CANVAS_IMPL_H_
 #define _TVG_CANVAS_IMPL_H_
 
-#include "tvgCommon.h"
+#include "tvgPaint.h"
 
 /************************************************************************/
 /* Internal Class Implementation                                        */
@@ -30,80 +30,113 @@
 
 struct Canvas::Impl
 {
-    vector<Paint*> paints;
-    RenderMethod*  renderer;
+    Array<Paint*> paints;
+    RenderMethod* renderer;
+    bool refresh = false;   //if all paints should be updated by force.
+    bool drawing = false;   //on drawing condition?
 
     Impl(RenderMethod* pRenderer):renderer(pRenderer)
     {
-        renderer->ref();
     }
 
     ~Impl()
     {
-        renderer->flush();  //make it sur async engine working finished.
-        clear();
-        renderer->unref();
+        clear(true);
+        delete(renderer);
     }
 
     Result push(unique_ptr<Paint> paint)
     {
+        //You can not push paints during rendering.
+        if (drawing) return Result::InsufficientCondition;
+
         auto p = paint.release();
         if (!p) return Result::MemoryCorruption;
-        paints.push_back(p);
+        paints.push(p);
 
-        return update(p);
+        return update(p, true);
     }
 
-    Result clear()
+    Result clear(bool free)
     {
-        if (!renderer) return Result::InsufficientCondition;
-
         //Clear render target before drawing
-        if (!renderer->clear()) return Result::InsufficientCondition;
+        if (!renderer || !renderer->clear()) return Result::InsufficientCondition;
 
-        for (auto paint : paints) {
-            paint->IMPL->dispose(*renderer);
-            delete(paint);
+        //Free paints
+        for (auto paint = paints.data; paint < (paints.data + paints.count); ++paint) {
+            (*paint)->pImpl->dispose(*renderer);
+            if (free) delete(*paint);
         }
+
         paints.clear();
 
+        drawing = false;
+
         return Result::Success;
     }
 
-    Result update(Paint* paint)
+    void needRefresh()
+    {
+        refresh = true;
+    }
+
+    Result update(Paint* paint, bool force)
     {
-        if (!renderer) return Result::InsufficientCondition;
+        if (paints.count == 0 || drawing || !renderer) return Result::InsufficientCondition;
+
+        Array<RenderData> clips;
+        auto flag = RenderUpdateFlag::None;
+        if (refresh || force) flag = RenderUpdateFlag::All;
 
         //Update single paint node
         if (paint) {
-            if (!paint->IMPL->update(*renderer, nullptr, RenderUpdateFlag::None)) {
-                return Result::InsufficientCondition;
+            //Optimize Me: Can we skip the searching?
+            for (auto paint2 = paints.data; paint2 < (paints.data + paints.count); ++paint2) {
+                if ((*paint2) == paint) {
+                    paint->pImpl->update(*renderer, nullptr, 255, clips, flag);
+                    return Result::Success;
+                }
             }
-        //Update retained all paint nodes
+            return Result::InvalidArguments;
+        //Update all retained paint nodes
         } else {
-            for(auto paint: paints) {
-                if (!paint->IMPL->update(*renderer, nullptr, RenderUpdateFlag::None)) {
-                    return Result::InsufficientCondition;
-                }
+            for (auto paint = paints.data; paint < (paints.data + paints.count); ++paint) {
+                (*paint)->pImpl->update(*renderer, nullptr, 255, clips, flag);
             }
         }
+
+        refresh = false;
+
         return Result::Success;
     }
 
     Result draw()
     {
-        if (!renderer) return Result::InsufficientCondition;
-
-        if (!renderer->preRender()) return Result::InsufficientCondition;
+        if (drawing || paints.count == 0 || !renderer || !renderer->preRender()) return Result::InsufficientCondition;
 
-        for(auto paint: paints) {
-            if(!paint->IMPL->render(*renderer)) return Result::InsufficientCondition;
+        bool rendered = false;
+        for (auto paint = paints.data; paint < (paints.data + paints.count); ++paint) {
+            if ((*paint)->pImpl->render(*renderer)) rendered = true;
         }
 
-        if (!renderer->postRender()) return Result::InsufficientCondition;
+        if (!rendered || !renderer->postRender()) return Result::InsufficientCondition;
+
+        drawing = true;
 
         return Result::Success;
     }
+
+    Result sync()
+    {
+        if (!drawing) return Result::InsufficientCondition;
+
+        if (renderer->sync()) {
+            drawing = false;
+            return Result::Success;
+        }
+
+        return Result::InsufficientCondition;
+    }
 };
 
-#endif /* _TVG_CANVAS_IMPL_H_ */
\ No newline at end of file
+#endif /* _TVG_CANVAS_IMPL_H_ */