first WIP version of mac skia SalGraphics backend

It doesn't yet blit to screen, but the basics should be there.

Change-Id: I0f77b66756f578d84d0cee16cda00e7a2fea714f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/120805
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

2 files changed, 144 insertions, 0 deletions

diff --git a/vcl/skia/osx/gdiimpl.cxx b/vcl/skia/osx/gdiimpl.cxx
new file mode 100644
index 000000000000..e15406ea831c
--- /dev/null
+++ b/vcl/skia/osx/gdiimpl.cxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Some of this code is based on Skia source code, covered by the following
+ * license notice (see readlicense_oo for the full license):
+ *
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ */
+
+#include <skia/osx/gdiimpl.hxx>
+
+#include <skia/utils.hxx>
+#include <skia/zone.hxx>
+
+#include <skia/osx/rastercontext.hxx>
+
+using namespace SkiaHelper;
+
+AquaSkiaSalGraphicsImpl::AquaSkiaSalGraphicsImpl(AquaSalGraphics& rParent,
+                                                 AquaSharedAttributes& rShared)
+    : SkiaSalGraphicsImpl(rParent, rShared.mpFrame)
+    , AquaGraphicsBackendBase(rShared)
+{
+}
+
+AquaSkiaSalGraphicsImpl::~AquaSkiaSalGraphicsImpl() { DeInit(); }
+
+void AquaSkiaSalGraphicsImpl::Init()
+{
+    // The m_pFrame and m_pVDev pointers are updated late in X11
+    //    setProvider(mX11Parent.GetGeometryProvider());
+    //    SkiaSalGraphicsImpl::Init();
+}
+
+void AquaSkiaSalGraphicsImpl::DeInit()
+{
+    SkiaZone zone;
+    SkiaSalGraphicsImpl::DeInit();
+    mWindowContext.reset();
+}
+
+void AquaSkiaSalGraphicsImpl::freeResources() {}
+
+void AquaSkiaSalGraphicsImpl::createWindowContext(bool forceRaster)
+{
+    SkiaZone zone;
+    sk_app::DisplayParams displayParams;
+    displayParams.fColorType = kN32_SkColorType;
+    RenderMethod renderMethod = forceRaster ? RenderRaster : renderMethodToUse();
+    switch (renderMethod)
+    {
+        case RenderRaster:
+            displayParams.fColorType = kBGRA_8888_SkColorType; // TODO
+            mWindowContext.reset(
+                new AquaSkiaWindowContextRaster(GetWidth(), GetHeight(), displayParams));
+            break;
+        case RenderVulkan:
+            abort();
+            break;
+    }
+}
+
+//void AquaSkiaSalGraphicsImpl::Flush() { performFlush(); }
+
+void AquaSkiaSalGraphicsImpl::performFlush()
+{
+    SkiaZone zone;
+    flushDrawing();
+    if (mWindowContext)
+    {
+        if (mDirtyRect.intersect(SkIRect::MakeWH(GetWidth(), GetHeight())))
+            mWindowContext->swapBuffers(&mDirtyRect); // TODO
+        mDirtyRect.setEmpty();
+    }
+}
+
+std::unique_ptr<sk_app::WindowContext> createVulkanWindowContext(bool /*temporary*/)
+{
+    return nullptr;
+}
+
+void AquaSkiaSalGraphicsImpl::prepareSkia() { SkiaHelper::prepareSkia(createVulkanWindowContext); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/skia/osx/rastercontext.cxx b/vcl/skia/osx/rastercontext.cxx
new file mode 100644
index 000000000000..a2a514483710
--- /dev/null
+++ b/vcl/skia/osx/rastercontext.cxx
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Some of this code is based on Skia source code, covered by the following
+ * license notice (see readlicense_oo for the full license):
+ *
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ */
+
+#include <skia/osx/rastercontext.hxx>
+
+#include <SkSurface.h>
+
+AquaSkiaWindowContextRaster::AquaSkiaWindowContextRaster(int w, int h,
+                                                         const sk_app::DisplayParams& params)
+    : WindowContext(params)
+{
+    fWidth = w;
+    fHeight = h;
+    resize(w, h);
+}
+
+void AquaSkiaWindowContextRaster::resize(int w, int h)
+{
+    fWidth = w;
+    fHeight = h;
+    createSurface();
+}
+
+void AquaSkiaWindowContextRaster::setDisplayParams(const sk_app::DisplayParams& params)
+{
+    fDisplayParams = params;
+}
+
+void AquaSkiaWindowContextRaster::createSurface()
+{
+    SkImageInfo info = SkImageInfo::Make(fWidth, fHeight, fDisplayParams.fColorType,
+                                         kPremul_SkAlphaType, fDisplayParams.fColorSpace);
+    mSurface = SkSurface::MakeRaster(info, &fDisplayParams.fSurfaceProps);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */