From f12a617da1963728260ab2b082c825450435bb87 Mon Sep 17 00:00:00 2001
From: Luboš Luňák <l.lunak@collabora.com>
Date: Wed, 2 Oct 2019 17:15:07 +0200
Subject: make the X11/Skia backend finally capable of drawing on screen

Change-Id: I5c847c1036c671137ee27053691189093b1dafae
---
 vcl/inc/skia/gdiimpl.hxx | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'vcl/inc/skia/gdiimpl.hxx')

diff --git a/vcl/inc/skia/gdiimpl.hxx b/vcl/inc/skia/gdiimpl.hxx
index aad4ea3e8454..c72c5979464d 100644
--- a/vcl/inc/skia/gdiimpl.hxx
+++ b/vcl/inc/skia/gdiimpl.hxx
@@ -27,6 +27,8 @@
 
 #include <SkSurface.h>
 
+class SkiaFlushIdle;
+
 class VCL_DLLPUBLIC SkiaSalGraphicsImpl : public SalGraphicsImpl
 {
 public:
@@ -37,8 +39,6 @@ public:
 
     virtual void DeInit() override;
 
-    virtual void freeResources() override;
-
     const vcl::Region& getClipRegion() const;
     virtual bool setClipRegion(const vcl::Region&) override;
 
@@ -183,6 +183,12 @@ public:
     virtual bool drawGradient(const tools::PolyPolygon& rPolygon,
                               const Gradient& rGradient) override;
 
+    // To be called after any drawing.
+    void scheduleFlush();
+
+    // Internal, called by SkiaFlushIdle.
+    virtual void performFlush() = 0;
+
 #ifdef DBG_UTIL
     void dump(const char* file) const;
     void dump(const SkBitmap& bitmap, const char* file) const;
@@ -191,7 +197,9 @@ public:
 protected:
     void setProvider(SalGeometryProvider* provider) { mProvider = provider; }
 
-private:
+    bool isOffscreen() const { return mProvider == nullptr || mProvider->IsOffScreen(); }
+
+protected:
     // get the width of the device
     int GetWidth() const { return mProvider ? mProvider->GetWidth() : 1; }
     // get the height of the device
@@ -215,6 +223,7 @@ private:
     vcl::Region mClipRegion;
     Color mLineColor;
     Color mFillColor;
+    std::unique_ptr<SkiaFlushIdle> mFlush;
 };
 
 #endif
-- 
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