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/* -*- 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/.
*/
#ifndef INCLUDED_VCL_INC_OPENGL_WIN_GDIIMPL_HXX
#define INCLUDED_VCL_INC_OPENGL_WIN_GDIIMPL_HXX
#include <memory>
#include <vcl/dllapi.h>
#include <opengl/gdiimpl.hxx>
#include <svdata.hxx>
#include <win/salgdi.h>
#include <win/wingdiimpl.hxx>
#include <o3tl/lru_map.hxx>
#include <vcl/opengl/OpenGLContext.hxx>
#include <ControlCacheKey.hxx>
class OpenGLCompatibleDC : public CompatibleDC
{
public:
OpenGLCompatibleDC(SalGraphics &rGraphics, int x, int y, int width, int height);
virtual std::unique_ptr<Texture> getAsMaskTexture() override;
// caller must delete
OpenGLTexture* getOpenGLTexture();
virtual bool copyToTexture(Texture& aTexture) override;
struct Texture;
};
struct OpenGLCompatibleDC::Texture : public CompatibleDC::Texture
{
OpenGLTexture texture;
virtual bool isValid() const { return !!texture; }
virtual int GetWidth() const { return texture.GetWidth(); }
virtual int GetHeight() const { return texture.GetHeight(); }
};
class WinOpenGLSalGraphicsImpl : public OpenGLSalGraphicsImpl, public WinSalGraphicsImplBase
{
friend class WinLayout;
private:
WinSalGraphics& mrWinParent;
bool RenderCompatibleDC(OpenGLCompatibleDC& rWhite, OpenGLCompatibleDC& rBlack,
int nX, int nY, TextureCombo& rCombo);
public:
WinOpenGLSalGraphicsImpl(WinSalGraphics& rGraphics,
SalGeometryProvider *mpProvider);
protected:
virtual rtl::Reference<OpenGLContext> CreateWinContext() override;
bool RenderTextureCombo(TextureCombo const & rCombo, int nX, int nY);
public:
virtual void Init() override;
virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override;
virtual bool UseTextDraw() const override { return true; }
virtual void PreDrawText() override;
virtual void PostDrawText() override;
virtual void DrawTextMask( CompatibleDC::Texture* rTexture, Color nMaskColor, const SalTwoRect& rPosAry ) override;
using OpenGLSalGraphicsImpl::DrawMask;
virtual void DeferredTextDraw(const CompatibleDC::Texture* pTexture, Color nMaskColor, const SalTwoRect& rPosAry) override;
virtual bool UseRenderNativeControl() const { return true; }
virtual bool TryRenderCachedNativeControl(ControlCacheKey const & rControlCacheKey, int nX, int nY) override;
virtual bool RenderAndCacheNativeControl(CompatibleDC& rWhite, CompatibleDC& rBlack,
int nX, int nY , ControlCacheKey& aControlCacheKey) override;
};
struct ControlCacheHashFunction
{
std::size_t operator()(ControlCacheKey const& aCache) const
{
std::size_t seed = 0;
boost::hash_combine(seed, aCache.mnType);
boost::hash_combine(seed, aCache.mnPart);
boost::hash_combine(seed, aCache.mnState);
boost::hash_combine(seed, aCache.maSize.Width());
boost::hash_combine(seed, aCache.maSize.Height());
return seed;
}
};
typedef std::pair<ControlCacheKey, std::unique_ptr<TextureCombo>> ControlCachePair;
typedef o3tl::lru_map<ControlCacheKey, std::unique_ptr<TextureCombo>, ControlCacheHashFunction> ControlCacheType;
class TheTextureCache {
ControlCacheType cache;
TheTextureCache();
public:
static ControlCacheType & get();
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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