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-rw-r--r--vcl/skia/x11/gdiimpl.cxx161
-rw-r--r--vcl/skia/x11/salvd.cxx86
-rw-r--r--vcl/skia/x11/textrender.cxx80
3 files changed, 327 insertions, 0 deletions
diff --git a/vcl/skia/x11/gdiimpl.cxx b/vcl/skia/x11/gdiimpl.cxx
new file mode 100644
index 000000000..1602218c1
--- /dev/null
+++ b/vcl/skia/x11/gdiimpl.cxx
@@ -0,0 +1,161 @@
+/* -*- 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/x11/gdiimpl.hxx>
+
+#include <tools/sk_app/unix/WindowContextFactory_unix.h>
+
+#include <skia/utils.hxx>
+#include <skia/zone.hxx>
+
+#include <X11/Xutil.h>
+
+X11SkiaSalGraphicsImpl::X11SkiaSalGraphicsImpl(X11SalGraphics& rParent)
+ : SkiaSalGraphicsImpl(rParent, rParent.GetGeometryProvider())
+ , mX11Parent(rParent)
+{
+}
+
+X11SkiaSalGraphicsImpl::~X11SkiaSalGraphicsImpl() {}
+
+void X11SkiaSalGraphicsImpl::Init()
+{
+ // The m_pFrame and m_pVDev pointers are updated late in X11
+ setProvider(mX11Parent.GetGeometryProvider());
+ SkiaSalGraphicsImpl::Init();
+}
+
+void X11SkiaSalGraphicsImpl::createWindowContext(bool forceRaster)
+{
+ assert(mX11Parent.GetDrawable() != None);
+ mWindowContext = createWindowContext(
+ mX11Parent.GetXDisplay(), mX11Parent.GetDrawable(), &mX11Parent.GetVisual(), GetWidth(),
+ GetHeight(), forceRaster ? SkiaHelper::RenderRaster : SkiaHelper::renderMethodToUse(),
+ false);
+}
+
+std::unique_ptr<sk_app::WindowContext>
+X11SkiaSalGraphicsImpl::createWindowContext(Display* display, Drawable drawable,
+ const XVisualInfo* visual, int width, int height,
+ SkiaHelper::RenderMethod renderMethod, bool temporary)
+{
+ SkiaZone zone;
+ sk_app::DisplayParams displayParams;
+ displayParams.fColorType = kN32_SkColorType;
+ sk_app::window_context_factory::XlibWindowInfo winInfo;
+ assert(display);
+ winInfo.fDisplay = display;
+ winInfo.fWindow = drawable;
+ winInfo.fFBConfig = nullptr; // not used
+ winInfo.fVisualInfo = const_cast<XVisualInfo*>(visual);
+ assert(winInfo.fVisualInfo->visual != nullptr); // make sure it's not an uninitialized SalVisual
+ winInfo.fWidth = width;
+ winInfo.fHeight = height;
+#ifdef DBG_UTIL
+ // Our patched Skia has VulkanWindowContext that shares GrContext, which requires
+ // that the X11 visual is always the same. Ensure it is so.
+ static VisualID checkVisualID = -1U;
+ // Exception is for the temporary case during startup, when SkiaHelper's
+ // checkDeviceBlacklisted() needs a WindowContext and may be called before SalVisual
+ // is ready.
+ if (!temporary)
+ {
+ assert(checkVisualID == -1U || winInfo.fVisualInfo->visualid == checkVisualID);
+ checkVisualID = winInfo.fVisualInfo->visualid;
+ }
+#else
+ (void)temporary;
+#endif
+ switch (renderMethod)
+ {
+ case SkiaHelper::RenderRaster:
+ // TODO The Skia Xlib code actually requires the non-native color type to work properly.
+ displayParams.fColorType
+ = (displayParams.fColorType == kBGRA_8888_SkColorType ? kRGBA_8888_SkColorType
+ : kBGRA_8888_SkColorType);
+ return sk_app::window_context_factory::MakeRasterForXlib(winInfo, displayParams);
+ case SkiaHelper::RenderVulkan:
+ return sk_app::window_context_factory::MakeVulkanForXlib(winInfo, displayParams);
+ }
+ abort();
+}
+
+bool X11SkiaSalGraphicsImpl::avoidRecreateByResize() const
+{
+ if (!mSurface || isOffscreen())
+ return false;
+ // Skia's WindowContext uses actual dimensions of the X window, which due to X11 being
+ // asynchronous may be temporarily different from what VCL thinks are the dimensions.
+ // That can lead to us repeatedly calling recreateSurface() because of "incorrect"
+ // size, and we otherwise need to check for size changes, because VCL does not inform us.
+ // Avoid the problem here by checking the size of the X window and bail out if Skia
+ // would just return the same size as it is now.
+ Window r;
+ int x, y;
+ unsigned int w, h, border, depth;
+ XGetGeometry(mX11Parent.GetXDisplay(), mX11Parent.GetDrawable(), &r, &x, &y, &w, &h, &border,
+ &depth);
+ return mSurface->width() == int(w) && mSurface->height() == int(h);
+}
+
+void X11SkiaSalGraphicsImpl::DeInit()
+{
+ SkiaZone zone;
+ SkiaSalGraphicsImpl::DeInit();
+ mWindowContext.reset();
+}
+
+void X11SkiaSalGraphicsImpl::freeResources() {}
+
+void X11SkiaSalGraphicsImpl::performFlush()
+{
+ SkiaZone zone;
+ flushDrawing();
+ // TODO XPutImage() is somewhat inefficient, XShmPutImage() should be preferred.
+ mWindowContext->swapBuffers();
+}
+
+std::unique_ptr<sk_app::WindowContext> createVulkanWindowContext(bool temporary)
+{
+ SalDisplay* salDisplay = vcl_sal::getSalDisplay(GetGenericUnixSalData());
+ const XVisualInfo* visual;
+ XVisualInfo* visuals = nullptr;
+ if (!temporary)
+ visual = &salDisplay->GetVisual(salDisplay->GetDefaultXScreen());
+ else
+ {
+ // SalVisual from salDisplay may not be setup yet at this point, get
+ // info for the default visual.
+ XVisualInfo search;
+ search.visualid = XVisualIDFromVisual(
+ DefaultVisual(salDisplay->GetDisplay(), salDisplay->GetDefaultXScreen().getXScreen()));
+ int count;
+ visuals = XGetVisualInfo(salDisplay->GetDisplay(), VisualIDMask, &search, &count);
+ assert(count == 1);
+ visual = visuals;
+ }
+ std::unique_ptr<sk_app::WindowContext> ret = X11SkiaSalGraphicsImpl::createWindowContext(
+ salDisplay->GetDisplay(), None, visual, 1, 1, SkiaHelper::RenderVulkan, temporary);
+ if (temporary)
+ XFree(visuals);
+ return ret;
+}
+
+void X11SkiaSalGraphicsImpl::prepareSkia() { SkiaHelper::prepareSkia(createVulkanWindowContext); }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/skia/x11/salvd.cxx b/vcl/skia/x11/salvd.cxx
new file mode 100644
index 000000000..a4db9c75d
--- /dev/null
+++ b/vcl/skia/x11/salvd.cxx
@@ -0,0 +1,86 @@
+/* -*- 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/.
+ */
+
+#include <vcl/sysdata.hxx>
+
+#include <unx/salunx.h>
+#include <unx/saldisp.hxx>
+#include <unx/salgdi.h>
+#include <unx/salvd.h>
+
+#include <skia/x11/salvd.hxx>
+
+void X11SalGraphics::Init(X11SkiaSalVirtualDevice* pDevice)
+{
+ SalDisplay* pDisplay = pDevice->GetDisplay();
+
+ m_nXScreen = pDevice->GetXScreenNumber();
+ m_pColormap = &pDisplay->GetColormap(m_nXScreen);
+
+ m_pVDev = pDevice;
+ m_pFrame = nullptr;
+
+ bWindow_ = pDisplay->IsDisplay();
+ bVirDev_ = true;
+
+ mxImpl->Init();
+}
+
+X11SkiaSalVirtualDevice::X11SkiaSalVirtualDevice(SalGraphics const* pGraphics, long nDX, long nDY,
+ const SystemGraphicsData* pData,
+ std::unique_ptr<X11SalGraphics> pNewGraphics)
+ : mpGraphics(std::move(pNewGraphics))
+ , mbGraphics(false)
+ , mnXScreen(0)
+{
+ assert(mpGraphics);
+
+ // TODO Check where a VirtualDevice is created from SystemGraphicsData
+ assert(pData == nullptr);
+ (void)pData;
+
+ mpDisplay = vcl_sal::getSalDisplay(GetGenericUnixSalData());
+ mnXScreen = pGraphics ? static_cast<X11SalGraphics const*>(pGraphics)->GetScreenNumber()
+ : vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetDefaultXScreen();
+ mnWidth = nDX;
+ mnHeight = nDY;
+ mpGraphics->Init(this);
+}
+
+X11SkiaSalVirtualDevice::~X11SkiaSalVirtualDevice() {}
+
+SalGraphics* X11SkiaSalVirtualDevice::AcquireGraphics()
+{
+ if (mbGraphics)
+ return nullptr;
+
+ if (mpGraphics)
+ mbGraphics = true;
+
+ return mpGraphics.get();
+}
+
+void X11SkiaSalVirtualDevice::ReleaseGraphics(SalGraphics*) { mbGraphics = false; }
+
+bool X11SkiaSalVirtualDevice::SetSize(long nDX, long nDY)
+{
+ if (!nDX)
+ nDX = 1;
+ if (!nDY)
+ nDY = 1;
+
+ mnWidth = nDX;
+ mnHeight = nDY;
+ if (mpGraphics)
+ mpGraphics->Init(this);
+
+ return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/skia/x11/textrender.cxx b/vcl/skia/x11/textrender.cxx
new file mode 100644
index 000000000..13eff3012
--- /dev/null
+++ b/vcl/skia/x11/textrender.cxx
@@ -0,0 +1,80 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <skia/x11/textrender.hxx>
+
+#include <unx/fc_fontoptions.hxx>
+#include <unx/freetype_glyphcache.hxx>
+#include <vcl/svapp.hxx>
+#include <sallayout.hxx>
+#include <skia/gdiimpl.hxx>
+
+#include <SkFont.h>
+#include <SkFontMgr_fontconfig.h>
+
+void SkiaTextRender::DrawTextLayout(const GenericSalLayout& rLayout, const SalGraphics& rGraphics)
+{
+ const FreetypeFontInstance& rInstance = static_cast<FreetypeFontInstance&>(rLayout.GetFont());
+ const FreetypeFont& rFont = rInstance.GetFreetypeFont();
+ const FontSelectPattern& rFSD = rInstance.GetFontSelectPattern();
+ int nHeight = rFSD.mnHeight;
+ int nWidth = rFSD.mnWidth ? rFSD.mnWidth : nHeight;
+ if (nWidth == 0 || nHeight == 0)
+ return;
+
+ if (FreetypeFont::AlmostHorizontalDrainsRenderingPool(nWidth * 10 / nHeight, rFSD))
+ return;
+
+ if (!fontManager)
+ {
+ // Get the global FcConfig that our VCL fontconfig code uses, and refcount it.
+ fontManager = SkFontMgr_New_FontConfig(FcConfigReference(nullptr));
+ }
+ sk_sp<SkTypeface> typeface
+ = SkFontMgr_createTypefaceFromFcPattern(fontManager, rFont.GetFontOptions()->GetPattern());
+ SkFont font(typeface, nHeight);
+ // TODO are these correct?
+ if (rFont.NeedsArtificialItalic())
+ font.setSkewX(-0x6000L / 0x10000L);
+ if (rFont.NeedsArtificialBold())
+ font.setEmbolden(true);
+ font.setEdging(rFont.GetAntialiasAdvice() ? SkFont::Edging::kAntiAlias
+ : SkFont::Edging::kAlias);
+
+ assert(dynamic_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl()));
+ SkiaSalGraphicsImpl* impl = static_cast<SkiaSalGraphicsImpl*>(rGraphics.GetImpl());
+ impl->drawGenericLayout(rLayout, mnTextColor, font,
+ SkiaSalGraphicsImpl::GlyphOrientation::Apply);
+}
+
+void SkiaTextRender::ClearDevFontCache() { fontManager.reset(); }
+
+#if 0
+// SKIA TODO
+void FontConfigFontOptions::cairo_font_options_substitute(FcPattern* pPattern)
+{
+ ImplSVData* pSVData = ImplGetSVData();
+ const cairo_font_options_t* pFontOptions = pSVData->mpDefInst->GetCairoFontOptions();
+ if( !pFontOptions )
+ return;
+ cairo_ft_font_options_substitute(pFontOptions, pPattern);
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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