[Libreoffice-commits] core.git: Branch 'feature/lfrb-vcl-opengl' - 98 commits - basegfx/source chart2/source include/vcl officecfg/registry Repository.mk sc/workben slideshow/source vcl/Executable_outdevgrind.mk vcl/Executable_vcldemo.mk vcl/headless vcl/inc vcl/Library_vcl.mk vcl/Library_vclplug_gen.mk vcl/Module_vcl.mk vcl/opengl vcl/Package_opengl.mk vcl/quartz vcl/source vcl/unx vcl/win vcl/workben

Louis-Francis Ratté-Boulianne lfrb at collabora.com
Sun Nov 9 00:59:48 PST 2014


Rebased ref, commits from common ancestor:
commit b2f5eec073a1f0cbefc4bd789eaa9c8aaa7bca02
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 23:05:32 2014 -0500

    vcl: Re-enable features in vcldemo
    
    Change-Id: If2a17b2c5609b7529d9aa5091ced280dd5ac4176

diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
index cae3fb0b..daa877f 100644
--- a/vcl/workben/vcldemo.cxx
+++ b/vcl/workben/vcldemo.cxx
@@ -25,10 +25,10 @@
 #include <vcl/virdev.hxx>
 #include <vcl/graphicfilter.hxx>
 
-#if 0
 #  define FIXME_ALPHA_WORKING
 #  define FIXME_ROUNDED_RECT_WORKING
 #  define FIXME_DRAW_TRANSPARENT_WORKING
+#if 0
 #endif
 
 using namespace css;
commit da5ad77083b9a44b4579bdbfec8392b4c45fa9c6
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 23:04:46 2014 -0500

    vcl: Add support for styled lines rendering with OpenGL
    
    Change-Id: Id6117e79d3aec6524598f068500249c9cd286ece

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index d0b1afb..7094727 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -22,9 +22,12 @@
 #include <vcl/gradient.hxx>
 #include <salframe.hxx>
 #include "salvd.hxx"
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <basegfx/polygon/b2dlinegeometry.hxx>
 #include <basegfx/polygon/b2dpolygontools.hxx>
 #include <basegfx/polygon/b2dpolygontriangulator.hxx>
 #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
+#include <basegfx/polygon/b2dtrapezoid.hxx>
 
 #include <vcl/opengl/OpenGLHelper.hxx>
 #include "opengl/salbmp.hxx"
@@ -648,13 +651,84 @@ bool OpenGLSalGraphicsImpl::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rP
 }
 
 bool OpenGLSalGraphicsImpl::drawPolyLine(
-            const ::basegfx::B2DPolygon&,
-            double /*fTransparency*/,
-            const ::basegfx::B2DVector& /*rLineWidths*/,
-            basegfx::B2DLineJoin,
-            com::sun::star::drawing::LineCap)
-{
-    return false;
+            const ::basegfx::B2DPolygon& rPolygon,
+            double fTransparency,
+            const ::basegfx::B2DVector& rLineWidth,
+            basegfx::B2DLineJoin eLineJoin,
+            com::sun::star::drawing::LineCap eLineCap)
+{
+    SAL_INFO( "vcl.opengl", "::drawPolyLine trans " << fTransparency );
+    if( mnLineColor == SALCOLOR_NONE )
+        return true;
+
+    const bool bIsHairline = (rLineWidth.getX() == rLineWidth.getY()) && (rLineWidth.getX() <= 1.2);
+
+    // #i101491#
+    if( !bIsHairline && (rPolygon.count() > 1000) )
+    {
+        // the used basegfx::tools::createAreaGeometry is simply too
+        // expensive with very big polygons; fallback to caller (who
+        // should use ImplLineConverter normally)
+        // AW: ImplLineConverter had to be removed since it does not even
+        // know LineJoins, so the fallback will now prepare the line geometry
+        // the same way.
+        return false;
+    }
+
+    // #i11575#desc5#b adjust B2D tesselation result to raster positions
+    basegfx::B2DPolygon aPolygon = rPolygon;
+    const double fHalfWidth = 0.5 * rLineWidth.getX();
+
+    // #i122456# This is probably thought to happen to align hairlines to pixel positions, so
+    // it should be a 0.5 translation, not more. It will definitely go wrong with fat lines
+    aPolygon.transform( basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5) );
+
+    // shortcut for hairline drawing to improve performance
+    //bool bDrawnOk = true;
+    if( bIsHairline )
+    {
+        // hairlines can benefit from a simplified tesselation
+        // e.g. for hairlines the linejoin style can be ignored
+        /*basegfx::B2DTrapezoidVector aB2DTrapVector;
+        basegfx::tools::createLineTrapezoidFromB2DPolygon( aB2DTrapVector, aPolygon, rLineWidth.getX() );
+
+        // draw tesselation result
+        const int nTrapCount = aB2DTrapVector.size();
+        if( nTrapCount > 0 )
+            bDrawnOk = drawFilledTrapezoids( &aB2DTrapVector[0], nTrapCount, fTransparency );
+
+        return bDrawnOk;*/
+    }
+
+    // get the area polygon for the line polygon
+    if( (rLineWidth.getX() != rLineWidth.getY())
+    && !basegfx::fTools::equalZero( rLineWidth.getY() ) )
+    {
+        // prepare for createAreaGeometry() with anisotropic linewidth
+        aPolygon.transform( basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getX() / rLineWidth.getY()));
+    }
+
+    // create the area-polygon for the line
+    const basegfx::B2DPolyPolygon aAreaPolyPoly( basegfx::tools::createAreaGeometry(aPolygon, fHalfWidth, eLineJoin, eLineCap) );
+
+    if( (rLineWidth.getX() != rLineWidth.getY())
+    && !basegfx::fTools::equalZero( rLineWidth.getX() ) )
+    {
+        // postprocess createAreaGeometry() for anisotropic linewidth
+        aPolygon.transform(basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getY() / rLineWidth.getX()));
+    }
+
+    maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+    BeginSolid( mnLineColor, fTransparency );
+    for( sal_uInt32 i = 0; i < aAreaPolyPoly.count(); i++ )
+    {
+        const ::basegfx::B2DPolyPolygon aOnePoly( aAreaPolyPoly.getB2DPolygon( i ) );
+        DrawPolyPolygon( aOnePoly );
+    }
+    EndSolid();
+
+    return true;
 }
 
 bool OpenGLSalGraphicsImpl::drawPolyLineBezier(
commit 9fc7b4e59ec52323213cf939d04d2e77f066329c
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 23:03:37 2014 -0500

    vcl: Fix rendering of polypolygons and self-intersecting polygons with OpenGL
    
    Change-Id: I04ed5999360eb43e2a8e2c82a3ecd9b958b16fe0

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 0e30f6a..d0b1afb 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -24,6 +24,7 @@
 #include "salvd.hxx"
 #include <basegfx/polygon/b2dpolygontools.hxx>
 #include <basegfx/polygon/b2dpolygontriangulator.hxx>
+#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
 
 #include <vcl/opengl/OpenGLHelper.hxx>
 #include "opengl/salbmp.hxx"
@@ -354,54 +355,39 @@ void OpenGLSalGraphicsImpl::DrawPolygon( sal_uInt32 nPoints, const SalPoint* pPt
     if( ::basegfx::tools::isConvex( aPolygon ) )
     {
         if( nPoints > 2L )
-        {
             DrawConvexPolygon( nPoints, pPtAry );
-        }
     }
     else
     {
-        const ::basegfx::B2DPolygon& aResult(
-            ::basegfx::triangulator::triangulate( aPolygon ) );
-        std::vector<GLfloat> aVertices(aResult.count() * 2);
-        sal_uInt32 j( 0 );
-
-        float nHeight = GetHeight();
-        float nWidth = GetWidth();
-        for( sal_uInt32 i = 0; i < aResult.count(); i++ )
-        {
-            const ::basegfx::B2DPoint& rPt( aResult.getB2DPoint(i) );
-            aVertices[j++] = 2 * rPt.getX() / nWidth - 1.0f;
-            aVertices[j++] = 1.0f - 2 * rPt.getY() / nHeight;
-        }
-
-        glEnableVertexAttribArray( GL_ATTRIB_POS );
-        glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, 0, &aVertices[0] );
-        glDrawArrays( GL_TRIANGLES, 0, aResult.count() );
-        glDisableVertexAttribArray( GL_ATTRIB_POS );
+        const ::basegfx::B2DPolyPolygon aPolyPolygon( aPolygon );
+        DrawPolyPolygon( aPolyPolygon );
     }
 }
 
-void OpenGLSalGraphicsImpl::DrawPolyPolygon( const basegfx::B2DPolyPolygon& pPolyPolygon )
+void OpenGLSalGraphicsImpl::DrawPolyPolygon( const basegfx::B2DPolyPolygon& rPolyPolygon )
 {
     sal_uInt32 i, j;
-    ::std::vector< GLushort > pVertices;
+    ::std::vector< GLfloat > pVertices;
+    GLfloat nWidth = GetWidth();
+    GLfloat nHeight = GetHeight();
+    const ::basegfx::B2DPolyPolygon& aSimplePolyPolygon = ::basegfx::tools::solveCrossovers( rPolyPolygon );
 
-    for( i = 0; i < pPolyPolygon.count(); i++ )
+    for( i = 0; i < aSimplePolyPolygon.count(); i++ )
     {
-        const basegfx::B2DPolygon& pPolygon( pPolyPolygon.getB2DPolygon( i ) );
+        const basegfx::B2DPolygon& rPolygon( aSimplePolyPolygon.getB2DPolygon( i ) );
         const ::basegfx::B2DPolygon& aResult(
-            ::basegfx::triangulator::triangulate( pPolygon ) );
+            ::basegfx::triangulator::triangulate( rPolygon ) );
 
         for( j = 0; j < aResult.count(); j++ )
         {
             const ::basegfx::B2DPoint& rPt( aResult.getB2DPoint( j ) );
-            pVertices.push_back( rPt.getX() );
-            pVertices.push_back( rPt.getY() );
+            pVertices.push_back( 2 * rPt.getX() / nWidth - 1.0f );
+            pVertices.push_back( 1.0f - 2 * rPt.getY() / nHeight );
         }
     }
 
     glEnableVertexAttribArray( GL_ATTRIB_POS );
-    glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_UNSIGNED_SHORT, GL_FALSE, 0, pVertices.data() );
+    glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, 0, pVertices.data() );
     glDrawArrays( GL_TRIANGLES, 0, pVertices.size() / 2 );
     glDisableVertexAttribArray( GL_ATTRIB_POS );
 }
commit db9134117b690304ecc553ba6fc50f9eb5e1d690
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 23:01:27 2014 -0500

    vcl: Add support for alpha mask rendering with OpenGL
    
    Change-Id: I755c2132f143d5ebd69e53bb4d9ae45121ada22a

diff --git a/vcl/inc/openglgdiimpl.hxx b/vcl/inc/openglgdiimpl.hxx
index 9368a10..34c2607 100644
--- a/vcl/inc/openglgdiimpl.hxx
+++ b/vcl/inc/openglgdiimpl.hxx
@@ -76,7 +76,7 @@ protected:
     void DrawPolyPolygon( const basegfx::B2DPolyPolygon& rPolyPolygon );
     void DrawTextureRect( const Size& rSize, const SalTwoRect& rPosAry );
     void DrawTexture( GLuint nTexture, const Size& rSize, const SalTwoRect& rPosAry );
-    void DrawTextureWithMask( GLuint nTexture, GLuint nMask, const SalTwoRect& rPosAry );
+    void DrawTextureWithMask( GLuint nTexture, GLuint nMask, const Size& rSize, const SalTwoRect& rPosAry );
     void DrawMask( GLuint nMask, SalColor nMaskColor, const SalTwoRect& rPosAry );
 
 protected:
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 74f7252..0e30f6a 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -444,7 +444,7 @@ void OpenGLSalGraphicsImpl::DrawTexture( GLuint nTexture, const Size& rSize, con
     glUseProgram( 0 );
 }
 
-void OpenGLSalGraphicsImpl::DrawTextureWithMask( GLuint nTexture, GLuint nMask, const SalTwoRect& /*pPosAry*/ )
+void OpenGLSalGraphicsImpl::DrawTextureWithMask( GLuint nTexture, GLuint nMask, const Size& rSize, const SalTwoRect& pPosAry )
 {
     if( mnMaskedTextureProgram == 0 )
     {
@@ -460,7 +460,10 @@ void OpenGLSalGraphicsImpl::DrawTextureWithMask( GLuint nTexture, GLuint nMask,
     glActiveTexture( GL_TEXTURE1 );
     glBindTexture( GL_TEXTURE_2D, nMask );
 
-    //DrawTextureRect( pPosAry );
+    glEnable( GL_BLEND );
+    glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+    DrawTextureRect( rSize, pPosAry );
+    glDisable( GL_BLEND );
 
     glActiveTexture( GL_TEXTURE1 );
     glBindTexture( GL_TEXTURE_2D, 0 );
@@ -758,9 +761,10 @@ void OpenGLSalGraphicsImpl::drawBitmap(
     const GLuint nTexture( rBitmap.GetTexture( maContext ) );
     const GLuint nMask( rMask.GetTexture( maContext ) );
 
-    SAL_INFO( "vcl.opengl", "::drawBitmap" );
+    SAL_INFO( "vcl.opengl", "::drawBitmap with MASK" );
     maContext.makeCurrent();
-    DrawTextureWithMask( nTexture, nMask, rPosAry );
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+    DrawTextureWithMask( nTexture, nMask, rBitmap.GetSize(), rPosAry );
 }
 
 void OpenGLSalGraphicsImpl::drawMask(
@@ -881,8 +885,10 @@ bool OpenGLSalGraphicsImpl::drawAlphaBitmap(
     const GLuint nTexture( rBitmap.GetTexture( maContext ) );
     const GLuint nAlpha( rAlpha.GetTexture( maContext ) );
 
+    SAL_INFO( "vcl.opengl", "::drawAlphaBitmap" );
     maContext.makeCurrent();
-    DrawTextureWithMask( nTexture, nAlpha, rPosAry );
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+    DrawTextureWithMask( nTexture, nAlpha, rBitmap.GetSize(), rPosAry );
     return true;
 }
 
diff --git a/vcl/opengl/maskedTextureFragmentShader.glsl b/vcl/opengl/maskedTextureFragmentShader.glsl
index 8f8148a..badf91e 100644
--- a/vcl/opengl/maskedTextureFragmentShader.glsl
+++ b/vcl/opengl/maskedTextureFragmentShader.glsl
@@ -13,10 +13,11 @@ uniform sampler2D sampler;
 uniform sampler2D mask;
 
 void main() {
-   vec4 texel0, texel1;
-   texel0 = texture2D(sampler, tex_coord);
-   texel1 = texture2D(mask, tex_coord);
-   gl_FragColor = texel0 * texel1.a;
+    vec4 texel0, texel1;
+    texel0 = texture2D(sampler, tex_coord);
+    texel1 = texture2D(mask, tex_coord);
+    gl_FragColor = texel0;
+    gl_FragColor.a = texel1.r;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
commit 018bb34ba00ab0a666e5a59ebe6952476ef50a34
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 23:00:16 2014 -0500

    vcl: Fix some viewport issues when rendering with OpenGL
    
    Change-Id: I99a76baeac07c1d9ec44ed492caa1d3416eb43ac

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index a9a6884..74f7252 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -498,6 +498,7 @@ void OpenGLSalGraphicsImpl::drawPixel( long nX, long nY )
     if( mnLineColor != SALCOLOR_NONE )
     {
         maContext.makeCurrent();
+        glViewport( 0, 0, GetWidth(), GetHeight() );
         BeginSolid( mnLineColor );
         DrawPoint( nX, nY );
         EndSolid();
@@ -510,6 +511,7 @@ void OpenGLSalGraphicsImpl::drawPixel( long nX, long nY, SalColor nSalColor )
     if( nSalColor != SALCOLOR_NONE )
     {
         maContext.makeCurrent();
+        glViewport( 0, 0, GetWidth(), GetHeight() );
         BeginSolid( nSalColor );
         DrawPoint( nX, nY );
         EndSolid();
@@ -522,6 +524,7 @@ void OpenGLSalGraphicsImpl::drawLine( long nX1, long nY1, long nX2, long nY2 )
     if( mnLineColor != SALCOLOR_NONE )
     {
         maContext.makeCurrent();
+        glViewport( 0, 0, GetWidth(), GetHeight() );
         BeginSolid( mnLineColor );
         DrawLine( nX1, nY1, nX2, nY2 );
         EndSolid();
@@ -560,6 +563,7 @@ void OpenGLSalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const SalPoint* pP
 {
     SAL_INFO( "vcl.opengl", "::drawPolyLine" );
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
 
     if( mnLineColor != SALCOLOR_NONE && nPoints > 1 )
     {
@@ -587,6 +591,7 @@ void OpenGLSalGraphicsImpl::drawPolygon( sal_uInt32 nPoints, const SalPoint* pPt
     }
 
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
 
     if( mnFillColor != SALCOLOR_NONE )
     {
@@ -610,6 +615,7 @@ void OpenGLSalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32*
         return;
 
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
 
     if( mnFillColor != SALCOLOR_NONE )
     {
@@ -767,6 +773,7 @@ void OpenGLSalGraphicsImpl::drawMask(
 
     SAL_INFO( "vcl.opengl", "::drawMask" );
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
     DrawMask( nTexture, nMaskColor, rPosAry );
 }
 
@@ -788,6 +795,7 @@ SalColor OpenGLSalGraphicsImpl::getPixel( long nX, long nY )
     char pixel[3];
 
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
     glReadPixels( nX, nY, 1, 1, GL_RGB, GL_UNSIGNED_BYTE, pixel);
     return MAKE_SALCOLOR( pixel[0], pixel[1], pixel[2] );
 }
@@ -803,6 +811,7 @@ void OpenGLSalGraphicsImpl::invert(
     //   * SAL_INVERT_TRACKFRAME (dash-line rectangle?)
 
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
 
     if( nFlags & SAL_INVERT_TRACKFRAME )
     {
@@ -823,6 +832,7 @@ void OpenGLSalGraphicsImpl::invert(
 void OpenGLSalGraphicsImpl::invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags )
 {
     maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
 
     if( nFlags & SAL_INVERT_TRACKFRAME )
     {
commit 7d106f448832c9fed9599bacbfb8e54f85fc47a8
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 22:59:09 2014 -0500

    vcl: Fix pixel drawing with OpenGL
    
    Change-Id: If23255d2a78445d2c28ada00778c95e28cbd0683

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 27347a8..a9a6884 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -268,10 +268,10 @@ void OpenGLSalGraphicsImpl::EndInvert( void )
 
 void OpenGLSalGraphicsImpl::DrawPoint( long nX, long nY )
 {
-    GLushort pPoint[2];
+    GLfloat pPoint[2];
 
-    pPoint[0] = nX;
-    pPoint[1] = GetHeight() - nY;
+    pPoint[0] = 2 * nX / GetWidth() - 1.0f;
+    pPoint[1] = 2 * (GetHeight() - nY) / GetHeight() - 1.0f;
 
     glEnableVertexAttribArray( GL_ATTRIB_POS );
     glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_UNSIGNED_SHORT, GL_FALSE, 0, pPoint );
commit f5e965b6b880741fc5e5fe05d014e67b7c64fd7a
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 22:55:58 2014 -0500

    vcl: Disable clipping in OpenGL for now because it's broken with VDev
    
    Change-Id: Ia1e5de6674e642f428da58164001e8619cd99530

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 55b6a93..27347a8 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -60,25 +60,38 @@ bool OpenGLSalGraphicsImpl::setClipRegion( const vcl::Region& rClip )
 {
     const basegfx::B2DPolyPolygon aClip( rClip.GetAsB2DPolyPolygon() );
 
-    /*glEnable(GL_STENCIL_TEST);
+    SAL_INFO( "vcl.opengl", "::setClipRegion" );
+
+    /*maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+
+    glEnable( GL_STENCIL_TEST );
 
     glColorMask( GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE );
-    glDepthMask( GL_FALSE );
     glStencilMask( 0xFF );
     glStencilFunc( GL_NEVER, 1, 0xFF );
     glStencilOp( GL_REPLACE, GL_KEEP, GL_KEEP );
 
     glClear( GL_STENCIL_BUFFER_BIT );
+    BeginSolid( SALCOLOR_NONE );
     DrawPolyPolygon( aClip );
+    EndSolid();
 
-    glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
-    glDepthMask( GL_TRUE );
+    glColorMask( GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE );
     glStencilMask( 0x00 );
-    glStencilFunc(GL_EQUAL, 1, 0xFF);*/
+    glStencilFunc( GL_EQUAL, 1, 0xFF );*/
 
     return true;
 }
 
+// set the clip region to empty
+void OpenGLSalGraphicsImpl::ResetClipRegion()
+{
+    SAL_INFO( "vcl.opengl", "::ResetClipRegion" );
+    maContext.makeCurrent();
+    glDisable(GL_STENCIL_TEST);
+}
+
 // get the depth of the device
 sal_uInt16 OpenGLSalGraphicsImpl::GetBitCount() const
 {
@@ -91,12 +104,6 @@ long OpenGLSalGraphicsImpl::GetGraphicsWidth() const
     return GetWidth();
 }
 
-// set the clip region to empty
-void OpenGLSalGraphicsImpl::ResetClipRegion()
-{
-    glDisable(GL_STENCIL_TEST);
-}
-
 // set the line color to transparent (= don't draw lines)
 void OpenGLSalGraphicsImpl::SetLineColor()
 {
commit 527d820fd26d8ae95b3191fb764bbae748ea4ee9
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 22:55:06 2014 -0500

    vcl: Add support for transparent polygon drawing with OpenGL
    
    Change-Id: Iaa7cdcf4742d8148507c69c222bff417b9f9426c

diff --git a/vcl/inc/openglgdiimpl.hxx b/vcl/inc/openglgdiimpl.hxx
index b05a520..9368a10 100644
--- a/vcl/inc/openglgdiimpl.hxx
+++ b/vcl/inc/openglgdiimpl.hxx
@@ -61,6 +61,7 @@ protected:
     bool CreateMaskProgram( void );
 
     void BeginSolid( SalColor nColor, sal_uInt8 nTransparency );
+    void BeginSolid( SalColor nColor, double fTransparency );
     void BeginSolid( SalColor nColor );
     void EndSolid( void );
     void BeginInvert( void );
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 9288260..55b6a93 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -40,6 +40,13 @@
                  ((float) SALCOLOR_BLUE( nColor )) / 255,  \
                  (100 - nTransparency) * (1.0 / 100) )
 
+#define glUniformColorf(nUniform, nColor, fTransparency)   \
+    glUniform4f( nUniform,                                 \
+                 ((float) SALCOLOR_RED( nColor )) / 255,   \
+                 ((float) SALCOLOR_GREEN( nColor )) / 255, \
+                 ((float) SALCOLOR_BLUE( nColor )) / 255,  \
+                 (1.0f - fTransparency) )
+
 OpenGLSalGraphicsImpl::~OpenGLSalGraphicsImpl()
 {
 }
@@ -202,18 +209,41 @@ void OpenGLSalGraphicsImpl::BeginSolid( SalColor nColor, sal_uInt8 nTransparency
             return;
     }
 
+    if( nTransparency > 0 )
+    {
+        glEnable( GL_BLEND );
+        glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+    }
     glUseProgram( mnSolidProgram );
     glUniformColor( mnColorUniform, nColor, nTransparency );
 }
 
+void OpenGLSalGraphicsImpl::BeginSolid( SalColor nColor, double fTransparency )
+{
+    if( mnSolidProgram == 0 )
+    {
+        if( !CreateSolidProgram() )
+            return;
+    }
+
+    if( fTransparency > 0.0f )
+    {
+        glEnable( GL_BLEND );
+        glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
+    }
+    glUseProgram( mnSolidProgram );
+    glUniformColorf( mnColorUniform, nColor, fTransparency );
+}
+
 void OpenGLSalGraphicsImpl::BeginSolid( SalColor nColor )
 {
-    BeginSolid( nColor, 0 );
+    BeginSolid( nColor, 0.0f );
 }
 
 void OpenGLSalGraphicsImpl::EndSolid( void )
 {
     glUseProgram( 0 );
+    glDisable( GL_BLEND );
 }
 
 void OpenGLSalGraphicsImpl::BeginInvert( void )
@@ -592,9 +622,27 @@ void OpenGLSalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32*
     }
 }
 
-bool OpenGLSalGraphicsImpl::drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double /*fTransparency*/ )
+bool OpenGLSalGraphicsImpl::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPolygon, double fTransparency )
 {
-    return false;
+    SAL_INFO( "vcl.opengl", "::drawPolyPolygon trans " << fTransparency );
+    if( rPolyPolygon.count() <= 0 )
+        return true;
+
+    maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+
+    if( mnFillColor != SALCOLOR_NONE )
+    {
+        BeginSolid( mnFillColor, fTransparency );
+        for( sal_uInt32 i = 0; i < rPolyPolygon.count(); i++ )
+        {
+            const ::basegfx::B2DPolyPolygon aOnePoly( rPolyPolygon.getB2DPolygon( i ) );
+            DrawPolyPolygon( aOnePoly );
+        }
+        EndSolid();
+    }
+
+    return true;
 }
 
 bool OpenGLSalGraphicsImpl::drawPolyLine(
@@ -843,6 +891,7 @@ bool OpenGLSalGraphicsImpl::drawAlphaRect(
                 long nWidth, long nHeight,
                 sal_uInt8 nTransparency )
 {
+    SAL_INFO( "vcl.opengl", "::drawAlphaRect" );
     if( mnFillColor != SALCOLOR_NONE && nTransparency < 100 )
     {
         BeginSolid( mnFillColor, nTransparency );
diff --git a/vcl/opengl/solidFragmentShader.glsl b/vcl/opengl/solidFragmentShader.glsl
index 94d0de0..af75336 100644
--- a/vcl/opengl/solidFragmentShader.glsl
+++ b/vcl/opengl/solidFragmentShader.glsl
@@ -11,7 +11,7 @@
 
 uniform vec4 color;
 void main() {
-   gl_FragColor = color;
+    gl_FragColor = color;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/source/outdev/polygon.cxx b/vcl/source/outdev/polygon.cxx
index 39c2b68..03fa168 100644
--- a/vcl/source/outdev/polygon.cxx
+++ b/vcl/source/outdev/polygon.cxx
@@ -231,7 +231,7 @@ void OutputDevice::DrawPolygon( const Polygon& rPoly )
 
 // Caution: This method is nearly the same as
 // OutputDevice::DrawTransparent( const basegfx::B2DPolyPolygon& rB2DPolyPoly, double fTransparency),
-// so when changes are made here do not forget to make change sthere, too
+// so when changes are made here do not forget to make changes there, too
 
 void OutputDevice::DrawPolyPolygon( const basegfx::B2DPolyPolygon& rB2DPolyPoly )
 {
commit e94421aae7fa75e53159096f1143ccc00d90e3d8
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 20:13:28 2014 -0500

    vcl: Fix getBitmap operation
    
    Change-Id: Id78065081bbde97738afd0f4da09b502afe468f4

diff --git a/vcl/opengl/salbmp.cxx b/vcl/opengl/salbmp.cxx
index 0736773..40be728 100644
--- a/vcl/opengl/salbmp.cxx
+++ b/vcl/opengl/salbmp.cxx
@@ -71,6 +71,7 @@ bool OpenGLSalBitmap::Create( OpenGLContext& rContext, long nX, long nY, long nW
     maPalette = aEmptyPalette;
 
     mpTexture.reset( new OpenGLTexture( nX, nY, nWidth, nHeight ) );
+    mbDirtyTexture = false;
 
     return true;
 }
@@ -107,6 +108,7 @@ bool OpenGLSalBitmap::Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount
 
     if( isValidBitCount( nNewBitCount ) )
     {
+        // TODO: lfrb: What about the pending operations?!
         mnBits = nNewBitCount;
         mnBytesPerRow = rSourceBitmap.mnBytesPerRow;
         mnWidth = rSourceBitmap.mnWidth;
@@ -116,6 +118,7 @@ bool OpenGLSalBitmap::Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount
         maPalette = rSourceBitmap.maPalette;
         mpContext = rSourceBitmap.mpContext;
         mpTexture = rSourceBitmap.mpTexture;
+        mbDirtyTexture = false;
         maUserBuffer = rSourceBitmap.maUserBuffer;
 
         // TODO Copy buffer data if the bitcount and palette are the same
commit c77257fc200f82b21fe61dd644ad655351116921
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 19:32:14 2014 -0500

    basegfx: Solve crossovers even if there is only one polygon in the polypolygon
    
    Change-Id: If4fcb8a2c6ac40a4d694522ce4ed020bcb4466b8

diff --git a/basegfx/source/polygon/b2dpolypolygoncutter.cxx b/basegfx/source/polygon/b2dpolypolygoncutter.cxx
index aaad335..d9eea58 100644
--- a/basegfx/source/polygon/b2dpolypolygoncutter.cxx
+++ b/basegfx/source/polygon/b2dpolypolygoncutter.cxx
@@ -688,7 +688,7 @@ namespace basegfx
 
         B2DPolyPolygon solveCrossovers(const B2DPolyPolygon& rCandidate)
         {
-            if(rCandidate.count() > 1L)
+            if(rCandidate.count() > 0L)
             {
                 solver aSolver(rCandidate);
                 return aSolver.getB2DPolyPolygon();
commit b5a6d9109e2a30b344e22a6c97893bb03b71dadb
Author: Michael Meeks <michael.meeks at collabora.com>
Date:   Sat Nov 8 21:41:13 2014 +0000

    vcldemo: add a virtualdevice test.
    
    Change-Id: I8ff8c74e13a128d778b487ec2818820df9d5058a

diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
index 9b314df..cae3fb0b 100644
--- a/vcl/workben/vcldemo.cxx
+++ b/vcl/workben/vcldemo.cxx
@@ -22,6 +22,7 @@
 #include <vcl/svapp.hxx>
 #include <vcl/pngread.hxx>
 #include <vcl/wrkwin.hxx>
+#include <vcl/virdev.hxx>
 #include <vcl/graphicfilter.hxx>
 
 #if 0
@@ -70,12 +71,12 @@ public:
         maIntroBW.Filter( BMP_FILTER_EMBOSS_GREY );
     }
 
-    void drawToDevice(OutputDevice &r);
+    void drawToDevice(OutputDevice &r, bool bVdev);
 
     virtual void Paint( const Rectangle& rRect ) SAL_OVERRIDE
     {
         fprintf(stderr, "DemoWin::Paint(%ld,%ld,%ld,%ld)\n", rRect.getX(), rRect.getY(), rRect.getWidth(), rRect.getHeight());
-        drawToDevice(getOutDev());
+        drawToDevice(getOutDev(), false);
     }
 
     std::vector<Rectangle> partitionAndClear(OutputDevice &rDev,
@@ -233,8 +234,19 @@ public:
         rDev.DrawPolyPolygon(aPolyPoly);
 #endif
     }
-    void fetchDrawBitmap(OutputDevice &rDev, Rectangle r)
+    void drawToVirtualDevice(OutputDevice &rDev, Rectangle r)
+    {
+        VirtualDevice aNested;
+        aNested.SetOutputSize(r.GetSize());
+        Rectangle aWhole(Point(0,0), r.GetSize());
+        // mini me
+        drawToDevice(aNested, true);
+
+        Bitmap aBitmap(aNested.GetBitmap(Point(0,0),aWhole.GetSize()));
+        rDev.DrawBitmap(r.TopLeft(), aBitmap);
+    }
 
+    void fetchDrawBitmap(OutputDevice &rDev, Rectangle r)
     {
         // FIXME: should work ...
         Bitmap aBitmap(GetBitmap(Point(0,0),rDev.GetOutputSizePixel()));
@@ -282,7 +294,7 @@ std::vector<Rectangle> DemoWin::partitionAndClear(OutputDevice &rDev, int nX, in
     return aRegions;
 }
 
-void DemoWin::drawToDevice(OutputDevice &rDev)
+void DemoWin::drawToDevice(OutputDevice &rDev, bool bVdev)
 {
     drawBackground(rDev);
 
@@ -297,8 +309,10 @@ void DemoWin::drawToDevice(OutputDevice &rDev)
     drawBitmap(rDev, aRegions[6]);
     drawGradient(rDev, aRegions[7]);
     drawPolyPolgons(rDev, aRegions[8]);
+    if (!bVdev)
+        drawToVirtualDevice(rDev, aRegions[9]);
     // last - thumbnail all the above
-    fetchDrawBitmap(rDev, aRegions[9]);
+    fetchDrawBitmap(rDev, aRegions[10]);
 }
 
 class DemoApp : public Application
commit 396112002904da353cc88bd090487ba694689d4d
Author: Michael Meeks <michael.meeks at collabora.com>
Date:   Sat Nov 8 21:34:10 2014 +0000

    vcldemo: re-factor to allow rendering to any outputdevice.
    
    Change-Id: Ie3367c004d89043fb78d0b2dcd49254323353a4c

diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
index d753c0d..9b314df 100644
--- a/vcl/workben/vcldemo.cxx
+++ b/vcl/workben/vcldemo.cxx
@@ -32,13 +32,23 @@
 
 using namespace css;
 
-class DemoWin : public WorkWindow
+class DemoBase :
+        public WorkWindow // hide OutputDevice if necessary
+{
+public:
+    DemoBase() : WorkWindow( NULL, WB_APP | WB_STDWORK)
+    {
+    }
+    OutputDevice &getOutDev() { return *this; }
+};
+
+class DemoWin : public DemoBase
 {
     Bitmap   maIntroBW;
     BitmapEx maIntro;
 
 public:
-    DemoWin() : WorkWindow( NULL, WB_APP | WB_STDWORK)
+    DemoWin() : DemoBase()
     {
         // Needed to find images
         OUString aPath;
@@ -60,32 +70,39 @@ public:
         maIntroBW.Filter( BMP_FILTER_EMBOSS_GREY );
     }
 
-    virtual void Paint( const Rectangle& rRect ) SAL_OVERRIDE;
+    void drawToDevice(OutputDevice &r);
 
-    std::vector<Rectangle> partitionAndClear(int nX, int nY);
+    virtual void Paint( const Rectangle& rRect ) SAL_OVERRIDE
+    {
+        fprintf(stderr, "DemoWin::Paint(%ld,%ld,%ld,%ld)\n", rRect.getX(), rRect.getY(), rRect.getWidth(), rRect.getHeight());
+        drawToDevice(getOutDev());
+    }
 
-    void drawBackground()
+    std::vector<Rectangle> partitionAndClear(OutputDevice &rDev,
+                                             int nX, int nY);
+
+    void drawBackground(OutputDevice &rDev)
     {
-        Rectangle r(Point(0,0), GetSizePixel());
+        Rectangle r(Point(0,0), rDev.GetOutputSizePixel());
         Gradient aGradient;
         aGradient.SetStartColor(COL_BLUE);
         aGradient.SetEndColor(COL_GREEN);
         aGradient.SetStyle(GradientStyle_LINEAR);
 //        aGradient.SetBorder(r.GetSize().Width()/20);
-        DrawGradient(r, aGradient);
+        rDev.DrawGradient(r, aGradient);
     }
 
-    void drawRadialLines(Rectangle r)
+    void drawRadialLines(OutputDevice &rDev, Rectangle r)
     {
-        SetFillColor(Color(COL_LIGHTRED));
-        SetLineColor(Color(COL_BLACK));
-        DrawRect( r );
+        rDev.SetFillColor(Color(COL_LIGHTRED));
+        rDev.SetLineColor(Color(COL_BLACK));
+        rDev.DrawRect( r );
 
         // FIXME: notice these appear reflected at the bottom not the top.
         for(int i=0; i<r.GetHeight(); i+=15)
-            DrawLine( Point(r.Left(), r.Top()+i), Point(r.Right(), r.Bottom()-i) );
+            rDev.DrawLine( Point(r.Left(), r.Top()+i), Point(r.Right(), r.Bottom()-i) );
         for(int i=0; i<r.GetWidth(); i+=15)
-            DrawLine( Point(r.Left()+i, r.Bottom()), Point(r.Right()-i, r.Top()) );
+            rDev.DrawLine( Point(r.Left()+i, r.Bottom()), Point(r.Right()-i, r.Top()) );
 
         // Should draw a white-line across the middle
         Color aLastPixel( COL_WHITE );
@@ -93,23 +110,25 @@ public:
                       (r.Top() + r.Bottom())/2 - 4);
         for(int i=0; i<8; i++)
         {
-            DrawPixel(aCenter, aLastPixel);
-            aLastPixel = GetPixel(aCenter);
+            rDev.DrawPixel(aCenter, aLastPixel);
+            aLastPixel = rDev.GetPixel(aCenter);
             aCenter.Move(1,1);
         }
     }
 
-    void drawText(Rectangle r)
+    void drawText(OutputDevice &rDev, Rectangle r)
+
     {
-        SetTextColor( Color( COL_BLACK ) );
+        rDev.SetTextColor( Color( COL_BLACK ) );
         vcl::Font aFont( OUString( "Times" ), Size( 0, 25 ) );
-        SetFont( aFont );
-        DrawText( r, OUString( "Just a simple text" ) );
+        rDev.SetFont( aFont );
+        rDev.DrawText( r, OUString( "Just a simple text" ) );
     }
 
-    void drawPoly(Rectangle r) // pretty
+    void drawPoly(OutputDevice &rDev, Rectangle r)
+ // pretty
     {
-        drawCheckered(r);
+        drawCheckered(rDev, r);
 
         long nDx = r.GetWidth()/20;
         long nDy = r.GetHeight()/20;
@@ -119,22 +138,25 @@ public:
                              r.GetHeight()-nDy*2));
         Polygon aPoly(aShrunk);
         tools::PolyPolygon aPPoly(aPoly);
-        SetLineColor(Color(COL_RED));
-        SetFillColor(Color(COL_RED));
+        rDev.SetLineColor(Color(COL_RED));
+        rDev.SetFillColor(Color(COL_RED));
         // This hits the optional 'drawPolyPolygon' code-path
-        DrawTransparent(aPPoly, 64);
+        rDev.DrawTransparent(aPPoly, 64);
     }
-    void drawEllipse(Rectangle r)
+    void drawEllipse(OutputDevice &rDev, Rectangle r)
+
     {
-        SetLineColor(Color(COL_RED));
-        SetFillColor(Color(COL_GREEN));
-        DrawEllipse(r);
+        rDev.SetLineColor(Color(COL_RED));
+        rDev.SetFillColor(Color(COL_GREEN));
+        rDev.DrawEllipse(r);
     }
-    void drawCheckered(Rectangle r)
+    void drawCheckered(OutputDevice &rDev, Rectangle r)
+
     {
-        DrawCheckered(r.TopLeft(), r.GetSize());
+        rDev.DrawCheckered(r.TopLeft(), r.GetSize());
     }
-    void drawGradient(Rectangle r)
+    void drawGradient(OutputDevice &rDev, Rectangle r)
+
     {
         Gradient aGradient;
         aGradient.SetStartColor(COL_YELLOW);
@@ -142,30 +164,33 @@ public:
 //        aGradient.SetAngle(45);
         aGradient.SetStyle(GradientStyle_RECT);
         aGradient.SetBorder(r.GetSize().Width()/20);
-        DrawGradient(r, aGradient);
+        rDev.DrawGradient(r, aGradient);
     }
-    void drawBitmap(Rectangle r)
+    void drawBitmap(OutputDevice &rDev, Rectangle r)
+
     {
         Bitmap aBitmap(maIntroBW);
         aBitmap.Scale(r.GetSize(), BMP_SCALE_BESTQUALITY);
-        DrawBitmap(r.TopLeft(), aBitmap);
+        rDev.DrawBitmap(r.TopLeft(), aBitmap);
     }
-    void drawBitmapEx(Rectangle r)
+    void drawBitmapEx(OutputDevice &rDev, Rectangle r)
+
     {
-        drawCheckered(r);
+        drawCheckered(rDev, r);
 
         BitmapEx aBitmap(maIntro);
         aBitmap.Scale(r.GetSize(), BMP_SCALE_BESTQUALITY);
 #ifdef FIXME_ALPHA_WORKING
         AlphaMask aSemiTransp(aBitmap.GetSizePixel());
         aSemiTransp.Erase(64);
-        DrawBitmapEx(r.TopLeft(), BitmapEx(aBitmap.GetBitmap(),
+        rDev.DrawBitmapEx(r.TopLeft(), BitmapEx(aBitmap.GetBitmap(),
                                            aSemiTransp));
 #else
-        DrawBitmapEx(r.TopLeft(), aBitmap);
+        rDev.DrawBitmapEx(r.TopLeft(), aBitmap);
 #endif
     }
-    void drawPolyPolgons(Rectangle r)
+    void drawPolyPolgons(OutputDevice &rDev, Rectangle r)
+
     {
         struct {
             double nX, nY;
@@ -191,39 +216,40 @@ public:
                                          aSubRect.GetHeight() * aPoints[v].nY),
                                    v);
                 }
-                SetLineColor(Color(COL_YELLOW));
-                SetFillColor(Color(COL_BLACK));
-                DrawPolygon(aPoly);
+                rDev.SetLineColor(Color(COL_YELLOW));
+                rDev.SetFillColor(Color(COL_BLACK));
+                rDev.DrawPolygon(aPoly);
 
                 // now move and add to the polypolygon
                 aPoly.Move(0, r.GetHeight()/2);
                 aPolyPoly.Insert(aPoly);
             }
         }
-        SetLineColor(Color(COL_LIGHTRED));
-        SetFillColor(Color(COL_GREEN));
+        rDev.SetLineColor(Color(COL_LIGHTRED));
+        rDev.SetFillColor(Color(COL_GREEN));
 #ifdef FIXME_DRAW_TRANSPARENT_WORKING
-        DrawTransparent(aPolyPoly, 50);
+        rDev.DrawTransparent(aPolyPoly, 50);
 #else
-        DrawPolyPolygon(aPolyPoly);
+        rDev.DrawPolyPolygon(aPolyPoly);
 #endif
     }
-    void fetchDrawBitmap(Rectangle r)
+    void fetchDrawBitmap(OutputDevice &rDev, Rectangle r)
+
     {
         // FIXME: should work ...
-        Bitmap aBitmap(GetBitmap(Point(0,0),GetSizePixel()));
+        Bitmap aBitmap(GetBitmap(Point(0,0),rDev.GetOutputSizePixel()));
         aBitmap.Scale(r.GetSize(), BMP_SCALE_BESTQUALITY);
-        DrawBitmap(r.TopLeft(), aBitmap);
+        rDev.DrawBitmap(r.TopLeft(), aBitmap);
     }
 };
 
-std::vector<Rectangle> DemoWin::partitionAndClear(int nX, int nY)
+std::vector<Rectangle> DemoWin::partitionAndClear(OutputDevice &rDev, int nX, int nY)
 {
     Rectangle r;
     std::vector<Rectangle> aRegions;
 
     // Make small cleared area for these guys
-    Size aSize(GetSizePixel());
+    Size aSize(rDev.GetOutputSizePixel());
     long nBorderSize = aSize.Width() / 32;
     long nBoxWidth = (aSize.Width() - nBorderSize*(nX+1)) / nX;
     long nBoxHeight = (aSize.Height() - nBorderSize*(nY+1)) / nY;
@@ -236,16 +262,16 @@ std::vector<Rectangle> DemoWin::partitionAndClear(int nX, int nY)
             r.SetSize(Size(nBoxWidth, nBoxHeight));
 
             // knock up a nice little border
-            SetLineColor(COL_GRAY);
-            SetFillColor(COL_LIGHTGRAY);
+            rDev.SetLineColor(COL_GRAY);
+            rDev.SetFillColor(COL_LIGHTGRAY);
             if ((x + y) % 2)
-                DrawRect(r);
+                rDev.DrawRect(r);
             else
             {
 #ifdef FIXME_ROUNDED_RECT_WORKING
-                DrawRect(r, nBorderSize, nBorderSize);
+                rDev.DrawRect(r, nBorderSize, nBorderSize);
 #else
-                DrawRect(r);
+                rDev.DrawRect(r);
 #endif
             }
 
@@ -256,25 +282,23 @@ std::vector<Rectangle> DemoWin::partitionAndClear(int nX, int nY)
     return aRegions;
 }
 
-void DemoWin::Paint( const Rectangle& rRect )
+void DemoWin::drawToDevice(OutputDevice &rDev)
 {
-    fprintf(stderr, "DemoWin::Paint(%ld,%ld,%ld,%ld)\n", rRect.getX(), rRect.getY(), rRect.getWidth(), rRect.getHeight());
-
-    drawBackground();
-
-    std::vector<Rectangle> aRegions(partitionAndClear(4,3));
-
-    drawRadialLines(aRegions[0]);
-    drawText(aRegions[1]);
-    drawPoly(aRegions[2]);
-    drawEllipse(aRegions[3]);
-    drawCheckered(aRegions[4]);
-    drawBitmapEx(aRegions[5]);
-    drawBitmap(aRegions[6]);
-    drawGradient(aRegions[7]);
-    drawPolyPolgons(aRegions[8]);
+    drawBackground(rDev);
+
+    std::vector<Rectangle> aRegions(partitionAndClear(rDev, 4, 3));
+
+    drawRadialLines(rDev, aRegions[0]);
+    drawText(rDev, aRegions[1]);
+    drawPoly(rDev, aRegions[2]);
+    drawEllipse(rDev, aRegions[3]);
+    drawCheckered(rDev, aRegions[4]);
+    drawBitmapEx(rDev, aRegions[5]);
+    drawBitmap(rDev, aRegions[6]);
+    drawGradient(rDev, aRegions[7]);
+    drawPolyPolgons(rDev, aRegions[8]);
     // last - thumbnail all the above
-    fetchDrawBitmap(aRegions[9]);
+    fetchDrawBitmap(rDev, aRegions[9]);
 }
 
 class DemoApp : public Application
commit 19ddf5f4148499301f2c94e6aafb9582b1811dfd
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Sat Nov 8 13:14:14 2014 -0500

    vcl: Initial work to have native widgets rendered with OpenGL
    
    Change-Id: I8b244a5bdd12a64a65ca1bab14dfe6917a175ccf

diff --git a/include/vcl/opengl/OpenGLHelper.hxx b/include/vcl/opengl/OpenGLHelper.hxx
index b237fc8..d49f579 100644
--- a/include/vcl/opengl/OpenGLHelper.hxx
+++ b/include/vcl/opengl/OpenGLHelper.hxx
@@ -60,6 +60,7 @@ public:
 
 #if defined UNX && !defined MACOSX && !defined IOS && !defined ANDROID
     static bool GetVisualInfo(Display* pDisplay, int nScreen, XVisualInfo& rVI);
+    static GLXFBConfig GetPixmapFBConfig( Display* pDisplay, bool& bInverted );
 #endif
 };
 
diff --git a/vcl/Library_vclplug_gen.mk b/vcl/Library_vclplug_gen.mk
index 36e52ee..bec6f4c 100644
--- a/vcl/Library_vclplug_gen.mk
+++ b/vcl/Library_vclplug_gen.mk
@@ -63,6 +63,8 @@ $(eval $(call gb_Library_add_libs,vclplug_gen,\
 	-lXext \
 	-lSM \
 	-lICE \
+	-lGL \
+	-lGLU \
 ))
 
 $(eval $(call gb_Library_add_exception_objects,vclplug_gen,\
@@ -104,6 +106,7 @@ $(eval $(call gb_Library_add_exception_objects,vclplug_gen,\
     vcl/unx/generic/window/salobj \
     vcl/unx/x11/x11sys \
     vcl/unx/x11/xlimits \
+	vcl/opengl/x11/gdiimpl \
 ))
 
 # ultimately we want to split the x11 dependencies out
diff --git a/vcl/inc/opengl/x11/gdiimpl.hxx b/vcl/inc/opengl/x11/gdiimpl.hxx
new file mode 100644
index 0000000..878c7c2
--- /dev/null
+++ b/vcl/inc/opengl/x11/gdiimpl.hxx
@@ -0,0 +1,42 @@
+/* -*- 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_X11_GDIIMPL_HXX
+#define INCLUDED_VCL_INC_OPENGL_X11_GDIIMPL_HXX
+
+#include <vcl/dllapi.h>
+
+#include "unx/salgdi.h"
+#include "unx/x11/x11gdiimpl.h"
+#include "openglgdiimpl.hxx"
+
+class VCL_PLUGIN_PUBLIC X11OpenGLSalGraphicsImpl : public OpenGLSalGraphicsImpl, public X11GraphicsImpl
+{
+private:
+    X11SalGraphics&     mrParent;
+
+public:
+    X11OpenGLSalGraphicsImpl( X11SalGraphics& rParent );
+    virtual ~X11OpenGLSalGraphicsImpl();
+
+protected:
+    GLfloat GetWidth() const SAL_OVERRIDE;
+    GLfloat GetHeight() const SAL_OVERRIDE;
+
+public:
+    // implementation of X11GraphicsImpl
+
+    void Init() SAL_OVERRIDE;
+    X11Pixmap* GetPixmapFromScreen( const Rectangle& rRect ) SAL_OVERRIDE;
+    bool RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY ) SAL_OVERRIDE;
+};
+
+#endif // INCLUDED_VCL_INC_OPENGL_X11_GDIIMPL_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/openglgdiimpl.hxx b/vcl/inc/openglgdiimpl.hxx
index ef80d34..b05a520 100644
--- a/vcl/inc/openglgdiimpl.hxx
+++ b/vcl/inc/openglgdiimpl.hxx
@@ -30,7 +30,7 @@ class SalVirtualDevice;
 
 class VCL_PLUGIN_PUBLIC OpenGLSalGraphicsImpl : public SalGraphicsImpl
 {
-private:
+protected:
 
     OpenGLContext maContext;
     SalFrame* mpFrame;
@@ -55,9 +55,6 @@ private:
     GLuint mnMaskUniform;
     GLuint mnMaskColorUniform;
 
-    inline GLfloat GetWidth() const;
-    inline GLfloat GetHeight() const;
-
     bool CreateSolidProgram( void );
     bool CreateTextureProgram( void );
     bool CreateMaskedTextureProgram( void );
@@ -81,6 +78,13 @@ private:
     void DrawTextureWithMask( GLuint nTexture, GLuint nMask, const SalTwoRect& rPosAry );
     void DrawMask( GLuint nMask, SalColor nMaskColor, const SalTwoRect& rPosAry );
 
+protected:
+    // get the width of the device
+    virtual GLfloat GetWidth() const = 0;
+
+    // get the height of the device
+    virtual GLfloat GetHeight() const = 0;
+
 
 public:
     virtual ~OpenGLSalGraphicsImpl ();
@@ -89,9 +93,6 @@ public:
 
     virtual void freeResources() SAL_OVERRIDE;
 
-    virtual void Init( SalFrame* pFrame ) SAL_OVERRIDE;
-    virtual void Init( SalVirtualDevice* pVDev ) SAL_OVERRIDE;
-
     virtual bool setClipRegion( const vcl::Region& ) SAL_OVERRIDE;
     //
     // get the depth of the device
diff --git a/vcl/inc/salgdiimpl.hxx b/vcl/inc/salgdiimpl.hxx
index dc8c580..5d49952 100644
--- a/vcl/inc/salgdiimpl.hxx
+++ b/vcl/inc/salgdiimpl.hxx
@@ -44,10 +44,6 @@ public:
 
     virtual ~SalGraphicsImpl();
 
-    virtual void Init( SalFrame* pFrame ) = 0;
-
-    virtual void Init( SalVirtualDevice* pVDev ) = 0;
-
     virtual void freeResources() = 0;
 
     virtual bool setClipRegion( const vcl::Region& ) = 0;
diff --git a/vcl/inc/unx/pixmap.hxx b/vcl/inc/unx/pixmap.hxx
index f8b23c7..40bc11f 100644
--- a/vcl/inc/unx/pixmap.hxx
+++ b/vcl/inc/unx/pixmap.hxx
@@ -12,6 +12,7 @@
 
 #include <prex.h>
 #include <postx.h>
+#include <tools/gen.hxx>
 #include <unx/saltype.h>
 #include <vclpluginapi.h>
 
@@ -27,6 +28,7 @@ public:
     Drawable GetDrawable() const { return mpPixmap; };
     int GetWidth() const { return mnWidth; };
     int GetHeight() const { return mnHeight; };
+    Size GetSize() const { return Size( mnWidth, mnHeight ); };
     int GetDepth() const { return mnDepth; };
     SalX11Screen GetScreen() const { return mnScreen; }
 
diff --git a/vcl/inc/unx/salgdi.h b/vcl/inc/unx/salgdi.h
index 0fa4c00..c288292 100644
--- a/vcl/inc/unx/salgdi.h
+++ b/vcl/inc/unx/salgdi.h
@@ -45,6 +45,7 @@ class SalFrame;
 class X11Pixmap;
 class X11SalVirtualDevice;
 class X11SalGraphicsImpl;
+class X11OpenGLSalGraphicsImpl;
 class PspSalPrinter;
 class PspSalInfoPrinter;
 class ServerFont;
@@ -63,6 +64,7 @@ class VCLPLUG_GEN_PUBLIC X11SalGraphics : public SalGraphics
 {
     friend class ServerFontLayout;
     friend class X11SalGraphicsImpl;
+    friend class X11OpenGLSalGraphicsImpl;
     friend class X11CairoTextRender;
 
 private:
diff --git a/vcl/inc/unx/x11/x11gdiimpl.h b/vcl/inc/unx/x11/x11gdiimpl.h
new file mode 100644
index 0000000..911ea71
--- /dev/null
+++ b/vcl/inc/unx/x11/x11gdiimpl.h
@@ -0,0 +1,27 @@
+/* -*- 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_UNX_X11_X11GDIIMPL_HXX
+#define INCLUDED_VCL_INC_UNX_X11_X11GDIIMPL_HXX
+
+#include "unx/pixmap.hxx"
+
+class X11GraphicsImpl
+{
+public:
+    virtual ~X11GraphicsImpl() {};
+
+    virtual void Init() = 0;
+    virtual X11Pixmap* GetPixmapFromScreen( const Rectangle& rRect ) = 0;
+    virtual bool RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY ) = 0;
+};
+
+#endif // INCLUDED_VCL_INC_UNX_X11_X11GDIIMPL_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 835d344..9288260 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -49,16 +49,6 @@ void OpenGLSalGraphicsImpl::freeResources()
     // Delete shaders, programs and textures if not shared
 }
 
-void OpenGLSalGraphicsImpl::Init( SalFrame* pFrame )
-{
-    mpFrame = pFrame;
-}
-
-void OpenGLSalGraphicsImpl::Init(SalVirtualDevice* pVDev)
-{
-    mpVDev = pVDev;
-}
-
 bool OpenGLSalGraphicsImpl::setClipRegion( const vcl::Region& rClip )
 {
     const basegfx::B2DPolyPolygon aClip( rClip.GetAsB2DPolyPolygon() );
@@ -94,34 +84,6 @@ long OpenGLSalGraphicsImpl::GetGraphicsWidth() const
     return GetWidth();
 }
 
-inline GLfloat OpenGLSalGraphicsImpl::GetWidth() const
-{
-    if( mpFrame )
-        return mpFrame->maGeometry.nWidth;
-    else if (mpVDev)
-    {
-        long nWidth = 0;
-        long nHeight = 0;
-        mpVDev->GetSize(nWidth, nHeight);
-        return nWidth;
-    }
-    return 1;
-}
-
-inline GLfloat OpenGLSalGraphicsImpl::GetHeight() const
-{
-    if( mpFrame )
-        return mpFrame->maGeometry.nHeight;
-    else if (mpVDev)
-    {
-        long nWidth = 0;
-        long nHeight = 0;
-        mpVDev->GetSize(nWidth, nHeight);
-        return nHeight;
-    }
-    return 1;
-}
-
 // set the clip region to empty
 void OpenGLSalGraphicsImpl::ResetClipRegion()
 {
diff --git a/vcl/opengl/textureFragmentShader.glsl b/vcl/opengl/textureFragmentShader.glsl
index 81d68c7..cc95f2f 100644
--- a/vcl/opengl/textureFragmentShader.glsl
+++ b/vcl/opengl/textureFragmentShader.glsl
@@ -12,7 +12,7 @@ varying vec2 tex_coord;
 uniform sampler2D sampler;
 
 void main() {
-   gl_FragColor = texture2D(sampler, tex_coord);
+    gl_FragColor = texture2D(sampler, tex_coord);
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/opengl/x11/gdiimpl.cxx b/vcl/opengl/x11/gdiimpl.cxx
new file mode 100644
index 0000000..11735edb
--- /dev/null
+++ b/vcl/opengl/x11/gdiimpl.cxx
@@ -0,0 +1,139 @@
+/* -*- 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/salbtype.hxx"
+
+#include "unx/pixmap.hxx"
+#include "unx/saldisp.hxx"
+#include "unx/salframe.h"
+#include "unx/salgdi.h"
+#include "unx/salvd.h"
+
+#include "opengl/x11/gdiimpl.hxx"
+
+#include <vcl/opengl/OpenGLContext.hxx>
+#include <vcl/opengl/OpenGLHelper.hxx>
+
+X11OpenGLSalGraphicsImpl::X11OpenGLSalGraphicsImpl( X11SalGraphics& rParent ):
+    OpenGLSalGraphicsImpl(),
+    mrParent(rParent)
+{
+}
+
+X11OpenGLSalGraphicsImpl::~X11OpenGLSalGraphicsImpl()
+{
+}
+
+GLfloat X11OpenGLSalGraphicsImpl::GetWidth() const
+{
+    if( mrParent.m_pFrame )
+        return mrParent.m_pFrame->maGeometry.nWidth;
+    else if( mrParent.m_pVDev )
+    {
+        long nWidth = 0;
+        long nHeight = 0;
+        mrParent.m_pVDev->GetSize( nWidth, nHeight );
+        return nWidth;
+    }
+    return 1;
+}
+
+GLfloat X11OpenGLSalGraphicsImpl::GetHeight() const
+{
+    if( mrParent.m_pFrame )
+        return mrParent.m_pFrame->maGeometry.nHeight;
+    else if( mrParent.m_pVDev )
+    {
+        long nWidth = 0;
+        long nHeight = 0;
+        mrParent.m_pVDev->GetSize( nWidth, nHeight );
+        return nHeight;
+    }
+    return 1;
+}
+
+void X11OpenGLSalGraphicsImpl::Init()
+{
+    if( mrParent.m_pFrame && dynamic_cast<X11WindowProvider*>(mrParent.m_pFrame) )
+    {
+        Window aWin = dynamic_cast<X11WindowProvider*>(mrParent.m_pFrame)->GetX11Window();
+        maContext.init( mrParent.GetXDisplay(), aWin, mrParent.m_nXScreen.getXScreen());
+    }
+    else if( mrParent.m_pVDev )
+    {
+        maContext.init( mrParent.GetXDisplay(), mrParent.m_pVDev->GetDrawable(),
+                        mrParent.m_pVDev->GetWidth(), mrParent.m_pVDev->GetHeight(),
+                        mrParent.m_nXScreen.getXScreen() );
+    }
+    else
+    {
+        SAL_WARN( "vcl.opengl", "what happened here?" );
+    }
+}
+
+X11Pixmap* X11OpenGLSalGraphicsImpl::GetPixmapFromScreen( const Rectangle& rRect )
+{
+    Display* pDisplay = mrParent.GetXDisplay();
+    SalX11Screen nScreen = mrParent.GetScreenNumber();
+
+    SAL_INFO( "vcl.opengl", "GetPixmapFromScreen" );
+    return new X11Pixmap( pDisplay, nScreen, rRect.GetWidth(), rRect.GetHeight(), 24 );
+}
+
+bool X11OpenGLSalGraphicsImpl::RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY )
+{
+    const int aAttribs[] = {
+        GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
+        GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGB_EXT,
+        None
+    };
+    Display* pDisplay = mrParent.GetXDisplay();
+    GLXFBConfig pFbConfig;
+    GLXPixmap pGlxPixmap;
+    GLuint nTexture;
+    SalTwoRect aPosAry;
+    bool bInverted;
+
+    SAL_INFO( "vcl.opengl", "RenderPixmapToScreen (" << nX << " " << nY << ")" );
+
+    aPosAry.mnSrcX = 0;
+    aPosAry.mnSrcY = 0;
+    aPosAry.mnDestX = nX;
+    aPosAry.mnDestY = nY;
+    aPosAry.mnSrcWidth = aPosAry.mnDestWidth = pPixmap->GetWidth();
+    aPosAry.mnSrcHeight = aPosAry.mnDestHeight = pPixmap->GetHeight();
+
+    XSync( pDisplay, 0 );
+    pFbConfig = OpenGLHelper::GetPixmapFBConfig( pDisplay, bInverted );
+    pGlxPixmap = glXCreatePixmap( pDisplay, pFbConfig, pPixmap->GetPixmap(), aAttribs);
+    XSync( pDisplay, 0 );
+
+    maContext.makeCurrent();
+    glViewport( 0, 0, GetWidth(), GetHeight() );
+
+    glGenTextures( 1, &nTexture );
+    glActiveTexture( GL_TEXTURE0 );
+    glBindTexture( GL_TEXTURE_2D, nTexture );
+
+    //TODO: lfrb: glXGetProc to get the functions
+    glXBindTexImageEXT( pDisplay, pGlxPixmap, GLX_FRONT_LEFT_EXT, NULL );
+
+    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+    glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+    DrawTexture( nTexture, pPixmap->GetSize(), aPosAry );
+
+    glXReleaseTexImageEXT( pDisplay, pGlxPixmap, GLX_FRONT_LEFT_EXT );
+    glDeleteTextures( 1, &nTexture );
+    glXDestroyPixmap( pDisplay, pGlxPixmap );
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/source/opengl/OpenGLHelper.cxx b/vcl/source/opengl/OpenGLHelper.cxx
index 4705e3f..5823b80 100644
--- a/vcl/source/opengl/OpenGLHelper.cxx
+++ b/vcl/source/opengl/OpenGLHelper.cxx
@@ -387,6 +387,56 @@ bool OpenGLHelper::GetVisualInfo(Display* pDisplay, int nScreen, XVisualInfo& rV
     return true;
 }
 
+GLXFBConfig OpenGLHelper::GetPixmapFBConfig( Display* pDisplay, bool& bInverted )
+{
+    int nScreen = DefaultScreen( pDisplay );
+    GLXFBConfig *aFbConfigs;
+    int i, nFbConfigs, nValue;
+
+    aFbConfigs = glXGetFBConfigs( pDisplay, nScreen, &nFbConfigs );
+    for( i = 0; i < nFbConfigs; i++ )
+    {
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_DRAWABLE_TYPE, &nValue );
+        if( !(nValue & GLX_PIXMAP_BIT) )
+            continue;
+
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_BIND_TO_TEXTURE_TARGETS_EXT, &nValue );
+        if( !(nValue & GLX_TEXTURE_2D_BIT_EXT) )
+            continue;
+
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_DEPTH_SIZE, &nValue );
+        if( nValue != 24 )
+            continue;
+
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_RED_SIZE, &nValue );
+        if( nValue != 8 )
+            continue;
+        SAL_INFO( "vcl.opengl", "Red is " << nValue );
+
+        // TODO: lfrb: Make it configurable wrt RGB/RGBA
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_BIND_TO_TEXTURE_RGB_EXT, &nValue );
+        if( nValue == False )
+        {
+            glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_BIND_TO_TEXTURE_RGBA_EXT, &nValue );
+            if( nValue == False )
+                continue;
+        }
+
+        glXGetFBConfigAttrib( pDisplay, aFbConfigs[i], GLX_Y_INVERTED_EXT, &nValue );
+        bInverted = (nValue == True) ? true : false;
+
+        break;
+    }
+
+    if( i == nFbConfigs )
+    {
+        SAL_WARN( "vcl.opengl", "Unable to find FBconfig for pixmap texturing" );
+        return 0;
+    }
+
+    return aFbConfigs[i];
+}
+
 #endif
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/generic/gdi/gdiimpl.cxx b/vcl/unx/generic/gdi/gdiimpl.cxx
index f2ccf90..172ebd6 100644
--- a/vcl/unx/generic/gdi/gdiimpl.cxx
+++ b/vcl/unx/generic/gdi/gdiimpl.cxx
@@ -153,16 +153,69 @@ X11SalGraphicsImpl::~X11SalGraphicsImpl()
 {
 }
 
-void X11SalGraphicsImpl::Init( SalFrame* /*pFrame*/ )
+void X11SalGraphicsImpl::Init()
 {
     mnPenPixel = mrParent.GetPixel( mnPenColor );
     mnBrushPixel = mrParent.GetPixel( mnBrushColor );
 }
 
-void X11SalGraphicsImpl::Init( SalVirtualDevice* /*pVDev*/ )
+X11Pixmap* X11SalGraphicsImpl::GetPixmapFromScreen( const Rectangle& rRect )
 {
-    mnPenPixel = mrParent.GetPixel( mnPenColor );
-    mnBrushPixel = mrParent.GetPixel( mnBrushColor );
+    //TODO lfrb: don't hardcode the depth
+    Display* pDpy = mrParent.GetXDisplay();
+    X11Pixmap* pPixmap = new X11Pixmap( pDpy, mrParent.GetScreenNumber(),
+                                        rRect.GetWidth(), rRect.GetHeight(), 24 );
+    GC aTmpGC = XCreateGC( pDpy, pPixmap->GetPixmap(), 0, NULL );
+
+    if( !pPixmap || !aTmpGC )
+    {
+        if ( pPixmap )
+            delete pPixmap;
+        if ( aTmpGC )
+            XFreeGC( pDpy, aTmpGC );
+        SAL_WARN( "vcl", "Could not get valid pixmap from screen" );
+        return NULL;
+    }
+
+    // Copy the background of the screen into a composite pixmap
+    mrParent.CopyScreenArea( mrParent.GetXDisplay(),
+                             mrParent.GetDrawable(), mrParent.GetScreenNumber(),
+                             mrParent.GetVisual().GetDepth(),
+                             pPixmap->GetDrawable(), pPixmap->GetScreen(),
+                             pPixmap->GetDepth(),
+                             aTmpGC,
+                             rRect.Left(), rRect.Top(),
+                             rRect.GetWidth(), rRect.GetHeight(),
+                             0, 0 );
+
+    XFreeGC( pDpy, aTmpGC );
+    return pPixmap;
+}
+
+bool X11SalGraphicsImpl::RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY )
+{
+    GC aFontGC = mrParent.GetFontGC();
+
+    // The GC can't be null, otherwise we'd have no clip region
+    if( aFontGC == NULL )
+    {
+        SAL_WARN( "vcl", "no valid GC to render pixmap" );
+        return false;
+    }
+
+    if( !pPixmap )
+        return false;
+
+    mrParent.CopyScreenArea( mrParent.GetXDisplay(),
+                             pPixmap->GetDrawable(), pPixmap->GetScreen(),
+                             pPixmap->GetDepth(),
+                             mrParent.GetDrawable(), mrParent.m_nXScreen,
+                             mrParent.GetVisual().GetDepth(),
+                             aFontGC,
+                             0, 0,
+                             pPixmap->GetWidth(), pPixmap->GetHeight(),
+                             nX, nY );
+    return true;
 }
 
 XID X11SalGraphicsImpl::GetXRenderPicture()
diff --git a/vcl/unx/generic/gdi/gdiimpl.hxx b/vcl/unx/generic/gdi/gdiimpl.hxx
index 799e05c..252fe35 100644
--- a/vcl/unx/generic/gdi/gdiimpl.hxx
+++ b/vcl/unx/generic/gdi/gdiimpl.hxx
@@ -24,6 +24,7 @@
 #include <postx.h>
 
 #include "unx/saltype.h"
+#include "unx/x11/x11gdiimpl.h"
 
 #include "salgdiimpl.hxx"
 
@@ -35,10 +36,8 @@ class SalPolyLine;
 class X11SalGraphics;
 class Gradient;
 
-class X11SalGraphicsImpl : public SalGraphicsImpl
+class X11SalGraphicsImpl : public SalGraphicsImpl, public X11GraphicsImpl
 {
-    friend X11SalGraphics;
-
 private:
     X11SalGraphics& mrParent;
 
@@ -108,10 +107,6 @@ public:
 
     virtual ~X11SalGraphicsImpl();
 
-    virtual void Init( SalFrame* pFrame ) SAL_OVERRIDE;
-
-    virtual void Init( SalVirtualDevice* pVDev ) SAL_OVERRIDE;
-
     virtual bool setClipRegion( const vcl::Region& ) SAL_OVERRIDE;
     //
     // get the depth of the device
@@ -269,6 +264,13 @@ public:
     virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) SAL_OVERRIDE;
 
     virtual bool swapBuffers() SAL_OVERRIDE { return false; }
+
+public:
+    // implementation of X11GraphicsImpl
+
+    void Init() SAL_OVERRIDE;
+    X11Pixmap* GetPixmapFromScreen( const Rectangle& rRect ) SAL_OVERRIDE;
+    bool RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY ) SAL_OVERRIDE;
 };
 
 #endif
diff --git a/vcl/unx/generic/gdi/salgdi.cxx b/vcl/unx/generic/gdi/salgdi.cxx
index 0607cac..b4df486 100644
--- a/vcl/unx/generic/gdi/salgdi.cxx
+++ b/vcl/unx/generic/gdi/salgdi.cxx
@@ -48,13 +48,14 @@
 #include "unx/salgdi.h"
 #include "unx/salframe.h"
 #include "unx/salvd.h"
+#include "unx/x11/x11gdiimpl.h"
 #include <unx/x11/xlimits.hxx>
 
 #include "salgdiimpl.hxx"
 #include "unx/x11windowprovider.hxx"
 #include "textrender.hxx"
 #include "gdiimpl.hxx"
-#include "openglgdiimpl.hxx"
+#include "opengl/x11/gdiimpl.hxx"
 #include "x11cairotextrender.hxx"
 
 #include "generic/printergfx.hxx"
@@ -86,7 +87,7 @@ X11SalGraphics::X11SalGraphics():
     static bool bOpenGLPossible = OpenGLHelper::supportsVCLOpenGL();
     bool bUseOpenGL = bOpenGLPossible ? officecfg::Office::Common::VCL::UseOpenGL::get() : false;
     if (bUseOpenGL)
-        mpImpl.reset(new OpenGLSalGraphicsImpl());
+        mpImpl.reset(new X11OpenGLSalGraphicsImpl(*this));
     else
         mpImpl.reset(new X11SalGraphicsImpl(*this));
 
@@ -142,26 +143,7 @@ void X11SalGraphics::SetDrawable( Drawable aDrawable, SalX11Screen nXScreen )
 
     if( hDrawable_ )
     {
-        OpenGLSalGraphicsImpl* pOpenGLImpl = dynamic_cast<OpenGLSalGraphicsImpl*>(mpImpl.get());
-        if (pOpenGLImpl)
-        {
-            if (m_pFrame && dynamic_cast<X11WindowProvider*>(m_pFrame))
-            {
-                Window aWin = dynamic_cast<X11WindowProvider*>(m_pFrame)->GetX11Window();
-                pOpenGLImpl->GetOpenGLContext().init(GetXDisplay(),
-                        aWin, m_nXScreen.getXScreen());
-                mpImpl->Init( m_pFrame );
-            }
-            else if (m_pVDev)
-            {
-                pOpenGLImpl->GetOpenGLContext().init(GetXDisplay(),
-                        m_pVDev->GetDrawable(), m_pVDev->GetWidth(), m_pVDev->GetHeight(), m_nXScreen.getXScreen());
-                mpImpl->Init(m_pVDev);
-            }
-            else
-                SAL_WARN("vcl.opengl", "what happened here?");
-        }
-
+        dynamic_cast<X11GraphicsImpl*>(mpImpl.get())->Init();
         // TODO: moggi: FIXME nTextPixel_     = GetPixel( nTextColor_ );
     }
 }
diff --git a/vcl/unx/generic/gdi/salgdi2.cxx b/vcl/unx/generic/gdi/salgdi2.cxx
index e4d5b3c..63ab32b 100644
--- a/vcl/unx/generic/gdi/salgdi2.cxx
+++ b/vcl/unx/generic/gdi/salgdi2.cxx
@@ -31,6 +31,7 @@
 #include "unx/salgdi.h"
 #include "unx/salframe.h"
 #include "unx/salvd.h"
+#include "unx/x11/x11gdiimpl.h"
 #include <unx/x11/xlimits.hxx>
 #include "xrender_peer.hxx"
 
@@ -84,59 +85,15 @@ void X11SalGraphics::CopyScreenArea( Display* pDisplay,
 
 X11Pixmap* X11SalGraphics::GetPixmapFromScreen( const Rectangle& rRect )
 {
-    Display* pDpy = GetXDisplay();
-    X11Pixmap* pPixmap = new X11Pixmap( pDpy, GetScreenNumber(), rRect.GetWidth(), rRect.GetHeight(), 24 );
-    GC aTmpGC = XCreateGC( pDpy, pPixmap->GetPixmap(), 0, NULL );
-
-    if( !pPixmap || !aTmpGC )
-    {
-        if ( pPixmap )
-            delete pPixmap;
-        if ( aTmpGC )
-            XFreeGC( pDpy, aTmpGC );
-        SAL_WARN( "vcl", "Could not get valid pixmap from screen" );
-        return NULL;
-    }
-
-    // Copy the background of the screen into a composite pixmap
-    CopyScreenArea( GetXDisplay(),
-                    GetDrawable(), GetScreenNumber(), GetVisual().GetDepth(),
-                    pPixmap->GetDrawable(), pPixmap->GetScreen(), pPixmap->GetDepth(),
-                    aTmpGC,
-                    rRect.Left(), rRect.Top(), rRect.GetWidth(), rRect.GetHeight(), 0, 0 );
-
-    XFreeGC( pDpy, aTmpGC );
-    return pPixmap;
+    X11GraphicsImpl* pImpl = dynamic_cast<X11GraphicsImpl*>(mpImpl.get());
+    return pImpl->GetPixmapFromScreen( rRect );
 }
 
 bool X11SalGraphics::RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY )
 {
     SAL_INFO( "vcl", "RenderPixmapToScreen" );
-    /*if( UseOpenGL() )
-    {
-        X11OpenGLTexture pTexture( pPixmap );
-        pTexture.Draw( nX, nY );
-        return true;
-    }*/
-
-    GC aFontGC = GetFontGC();
-
-    // The GC can't be null, otherwise we'd have no clip region
-    if( aFontGC == NULL )
-    {
-        SAL_WARN( "vcl", "no valid GC to render pixmap" );
-        return false;
-    }
-
-    if( !pPixmap )
-        return false;
-
-    CopyScreenArea( GetXDisplay(),
-                    pPixmap->GetDrawable(), pPixmap->GetScreen(), pPixmap->GetDepth(),
-                    GetDrawable(), m_nXScreen, GetVisual().GetDepth(),
-                    aFontGC,
-                    0, 0, pPixmap->GetWidth(), pPixmap->GetHeight(), nX, nY );
-    return true;
+    X11GraphicsImpl* pImpl = dynamic_cast<X11GraphicsImpl*>(mpImpl.get());
+    return pImpl->RenderPixmapToScreen( pPixmap, nX, nY );
 }
 
 extern "C"
commit 969e75db2c230cbac21ada63acaf8d2bd1d44681
Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Fri Nov 7 17:29:44 2014 -0500

    vcl: Add GetPixmapFromScreen and RenderPixmapToScreen to X11SalGraphics
    
    Change-Id: I007408885b5752f3abf55075ef025aa6dacbabde

diff --git a/vcl/Library_vclplug_gen.mk b/vcl/Library_vclplug_gen.mk
index fe9f4f6..36e52ee 100644
--- a/vcl/Library_vclplug_gen.mk
+++ b/vcl/Library_vclplug_gen.mk
@@ -92,6 +92,7 @@ $(eval $(call gb_Library_add_exception_objects,vclplug_gen,\
     vcl/unx/generic/gdi/x11cairotextrender \
     vcl/unx/generic/gdi/gcach_xpeer \
 	vcl/unx/generic/gdi/gdiimpl \
+	vcl/unx/generic/gdi/pixmap \
     vcl/unx/generic/gdi/salbmp \
     vcl/unx/generic/gdi/salgdi2 \
     vcl/unx/generic/gdi/salgdi3 \
diff --git a/vcl/inc/unx/gtk/gtkgdi.hxx b/vcl/inc/unx/gtk/gtkgdi.hxx
index b8b145b..05d763c 100644
--- a/vcl/inc/unx/gtk/gtkgdi.hxx
+++ b/vcl/inc/unx/gtk/gtkgdi.hxx
@@ -114,6 +114,7 @@ private:
 
 #else
 
+class GdkX11Pixmap;
 class GtkSalGraphics : public X11SalGraphics
 {
     GtkWidget           *m_pWindow;
@@ -162,8 +163,8 @@ public:
 protected:
     typedef std::list< Rectangle > clipList;
 
-    GdkPixmap* NWGetPixmapFromScreen( Rectangle srcRect );
-    bool NWRenderPixmapToScreen( GdkPixmap* pPixmap, Rectangle dstRect );
+    GdkX11Pixmap* NWGetPixmapFromScreen( Rectangle srcRect );
+    bool NWRenderPixmapToScreen( GdkX11Pixmap* pPixmap, Rectangle dstRect );
 
     bool NWPaintGTKArrow( GdkDrawable* gdkDrawable, ControlType nType, ControlPart nPart,
                            const Rectangle& rControlRectangle,
diff --git a/vcl/inc/unx/pixmap.hxx b/vcl/inc/unx/pixmap.hxx
new file mode 100644
index 0000000..f8b23c7
--- /dev/null
+++ b/vcl/inc/unx/pixmap.hxx
@@ -0,0 +1,44 @@
+/* -*- 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_UNX_PIXMAP_HXX
+#define INCLUDED_VCL_INC_UNX_PIXMAP_HXX
+
+#include <prex.h>
+#include <postx.h>
+#include <unx/saltype.h>
+#include <vclpluginapi.h>
+
+class VCLPLUG_GEN_PUBLIC X11Pixmap
+{
+public:
+    X11Pixmap();
+    X11Pixmap( Display *pDisplay, SalX11Screen nScreen, int nWidth, int nHeight, int nDepth );
+    X11Pixmap( X11Pixmap& rOther );
+    virtual ~X11Pixmap();
+
+    Pixmap GetPixmap() const { return mpPixmap; };
+    Drawable GetDrawable() const { return mpPixmap; };
+    int GetWidth() const { return mnWidth; };
+    int GetHeight() const { return mnHeight; };
+    int GetDepth() const { return mnDepth; };
+    SalX11Screen GetScreen() const { return mnScreen; }
+
+protected:
+    Display*        mpDisplay;
+    SalX11Screen    mnScreen;
+    Pixmap          mpPixmap;
+    int             mnWidth;
+    int             mnHeight;
+    int             mnDepth;
+};
+
+#endif // INCLUDED_VCL_INC_UNX_PIXMAP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/unx/salgdi.h b/vcl/inc/unx/salgdi.h
index b4e05bc..0fa4c00 100644
--- a/vcl/inc/unx/salgdi.h
+++ b/vcl/inc/unx/salgdi.h
@@ -42,6 +42,7 @@ class SalBitmap;
 class SalColormap;
 class SalDisplay;
 class SalFrame;
+class X11Pixmap;
 class X11SalVirtualDevice;
 class X11SalGraphicsImpl;
 class PspSalPrinter;
@@ -264,6 +265,13 @@ public:
 
     virtual bool               SwapBuffers() SAL_OVERRIDE;
 
+    // create a pixmap from a screen region
+    X11Pixmap* GetPixmapFromScreen( const Rectangle& rRect );
+
+    // render a pixmap to the screen
+    bool RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY );
+
+
     /*  use to handle GraphicsExpose/NoExpose after XCopyArea & friends
      *  if pFrame is not NULL, corresponding Paint events are generated
      *  and dispatched to pFrame
diff --git a/vcl/unx/generic/gdi/pixmap.cxx b/vcl/unx/generic/gdi/pixmap.cxx
new file mode 100644
index 0000000..beb5589
--- /dev/null
+++ b/vcl/unx/generic/gdi/pixmap.cxx
@@ -0,0 +1,49 @@
+/* -*- 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 "unx/pixmap.hxx"
+
+X11Pixmap::X11Pixmap()
+: mpDisplay( NULL )
+, mnScreen( 0 )
+, mnWidth( -1 )
+, mnHeight( -1 )
+, mnDepth( 0 )
+{
+}
+
+X11Pixmap::X11Pixmap( Display* pDisplay, SalX11Screen nScreen, int nWidth, int nHeight, int nDepth )
+: mpDisplay( pDisplay )
+, mnScreen( nScreen )
+, mnWidth( nWidth )
+, mnHeight( nHeight )
+, mnDepth( nDepth )
+{
+    Window root = RootWindow( pDisplay, 0 );
+    mpPixmap = XCreatePixmap( pDisplay, root, nWidth, nHeight, nDepth );
+}
+
+X11Pixmap::X11Pixmap( X11Pixmap& rOther )
+: mpDisplay( rOther.mpDisplay )
+, mnScreen( rOther.mnScreen )
+, mnWidth( rOther.mnWidth )
+, mnHeight( rOther.mnHeight )
+, mnDepth( rOther.mnDepth )
+{
+    mpPixmap = rOther.mpPixmap;
+    rOther.mpPixmap = 0;
+}
+
+X11Pixmap::~X11Pixmap()
+{
+    if( mpPixmap )
+        XFreePixmap( mpDisplay, mpPixmap );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/unx/generic/gdi/salgdi2.cxx b/vcl/unx/generic/gdi/salgdi2.cxx
index aa2732a..e4d5b3c 100644
--- a/vcl/unx/generic/gdi/salgdi2.cxx
+++ b/vcl/unx/generic/gdi/salgdi2.cxx
@@ -23,6 +23,7 @@
 
 #include "vcl/salbtype.hxx"
 
+#include "unx/pixmap.hxx"
 #include "unx/salunx.h"
 #include "unx/saldata.hxx"
 #include "unx/saldisp.hxx"
@@ -81,6 +82,63 @@ void X11SalGraphics::CopyScreenArea( Display* pDisplay,
     }
 }
 
+X11Pixmap* X11SalGraphics::GetPixmapFromScreen( const Rectangle& rRect )
+{
+    Display* pDpy = GetXDisplay();
+    X11Pixmap* pPixmap = new X11Pixmap( pDpy, GetScreenNumber(), rRect.GetWidth(), rRect.GetHeight(), 24 );
+    GC aTmpGC = XCreateGC( pDpy, pPixmap->GetPixmap(), 0, NULL );
+
+    if( !pPixmap || !aTmpGC )
+    {
+        if ( pPixmap )
+            delete pPixmap;
+        if ( aTmpGC )
+            XFreeGC( pDpy, aTmpGC );
+        SAL_WARN( "vcl", "Could not get valid pixmap from screen" );
+        return NULL;
+    }
+
+    // Copy the background of the screen into a composite pixmap
+    CopyScreenArea( GetXDisplay(),
+                    GetDrawable(), GetScreenNumber(), GetVisual().GetDepth(),
+                    pPixmap->GetDrawable(), pPixmap->GetScreen(), pPixmap->GetDepth(),
+                    aTmpGC,
+                    rRect.Left(), rRect.Top(), rRect.GetWidth(), rRect.GetHeight(), 0, 0 );
+
+    XFreeGC( pDpy, aTmpGC );
+    return pPixmap;
+}
+
+bool X11SalGraphics::RenderPixmapToScreen( X11Pixmap* pPixmap, int nX, int nY )
+{
+    SAL_INFO( "vcl", "RenderPixmapToScreen" );
+    /*if( UseOpenGL() )
+    {
+        X11OpenGLTexture pTexture( pPixmap );
+        pTexture.Draw( nX, nY );
+        return true;
+    }*/
+
+    GC aFontGC = GetFontGC();
+
+    // The GC can't be null, otherwise we'd have no clip region
+    if( aFontGC == NULL )
+    {
+        SAL_WARN( "vcl", "no valid GC to render pixmap" );
+        return false;
+    }
+
+    if( !pPixmap )
+        return false;
+
+    CopyScreenArea( GetXDisplay(),
+                    pPixmap->GetDrawable(), pPixmap->GetScreen(), pPixmap->GetDepth(),
+                    GetDrawable(), m_nXScreen, GetVisual().GetDepth(),
+                    aFontGC,
+                    0, 0, pPixmap->GetWidth(), pPixmap->GetHeight(), nX, nY );
+    return true;
+}
+
 extern "C"
 {
     static Bool GraphicsExposePredicate( Display*, XEvent* pEvent, XPointer pFrameWindow )
diff --git a/vcl/unx/gtk/gdi/salnativewidgets-gtk.cxx b/vcl/unx/gtk/gdi/salnativewidgets-gtk.cxx
index bab4f5c..50cb193 100644
--- a/vcl/unx/gtk/gdi/salnativewidgets-gtk.cxx
+++ b/vcl/unx/gtk/gdi/salnativewidgets-gtk.cxx
@@ -26,6 +26,7 @@
 #include "unx/gtk/gtkinst.hxx"
 #include "unx/gtk/gtkgdi.hxx"
 
+#include "unx/pixmap.hxx"
 #include "unx/saldata.hxx"
 #include "unx/saldisp.hxx"
 
@@ -257,6 +258,71 @@ static int getFrameWidth(GtkWidget* widget);
 
 static Rectangle NWGetScrollButtonRect(    SalX11Screen nScreen, ControlPart nPart, Rectangle aAreaRect );
 
+
+/************************************************************************
+ * GDK implementation of X11Pixmap
+ ************************************************************************/
+
+class GdkX11Pixmap : public X11Pixmap
+{
+public:
+    GdkX11Pixmap( int nWidth, int nHeight, int nDepth );
+    GdkX11Pixmap( X11Pixmap& rOther, GdkWindow *pWindow );
+    virtual ~GdkX11Pixmap();
+
+    GdkPixmap*   GetGdkPixmap() const;
+    GdkDrawable* GetGdkDrawable() const;
+
+protected:
+    GdkPixmap* mpGdkPixmap;
+};
+
+GdkX11Pixmap::GdkX11Pixmap( int nWidth, int nHeight, int nDepth )
+{
+    mpGdkPixmap = gdk_pixmap_new( NULL, nWidth, nHeight, nDepth );
+
+    //mpDisplay = ?
+    mnScreen = SalX11Screen( gdk_screen_get_number( gdk_drawable_get_screen( GDK_DRAWABLE(mpGdkPixmap) ) ) );
+    mnWidth = nWidth;
+    mnHeight = nHeight;
+    mnDepth = nDepth;
+    mpPixmap = GDK_PIXMAP_XID( mpGdkPixmap );
+}
+
+GdkX11Pixmap::GdkX11Pixmap( X11Pixmap& rOther, GdkWindow *pWindow )
+: X11Pixmap( rOther )
+{
+    GdkColormap* pColormap;
+
+#if GTK_CHECK_VERSION(2,10,0)
+    GdkScreen *pScreen = gdk_window_get_screen( pWindow );
+    mpGdkPixmap = gdk_pixmap_foreign_new_for_screen( pScreen, mpPixmap,
+                                                     mnWidth, mnHeight,
+                                                     mnDepth );
+#else
+    mpGdkPixmap = gdk_pixmap_foreign_new( mpPixmap );
+#endif
+
+    pColormap = gdk_drawable_get_colormap( pWindow );
+    gdk_drawable_set_colormap( GDK_DRAWABLE (mpGdkPixmap), pColormap );
+}
+
+GdkX11Pixmap::~GdkX11Pixmap()
+{
+    g_object_unref( mpGdkPixmap );
+}
+
+GdkPixmap* GdkX11Pixmap::GetGdkPixmap() const
+{
+    return mpGdkPixmap;
+}
+
+GdkDrawable* GdkX11Pixmap::GetGdkDrawable() const
+{
+    return GDK_DRAWABLE( mpGdkPixmap );
+}
+
+
 /*********************************************************
  * PixmapCache
  *********************************************************/
@@ -271,13 +337,13 @@ class NWPixmapCacheData
 public:
     ControlType m_nType;
     ControlState m_nState;
-    Rectangle   m_pixmapRect;
-    GdkPixmap*  m_pixmap;
+    Rectangle      m_pixmapRect;
+    GdkX11Pixmap*  m_pixmap;
 
     NWPixmapCacheData() : m_nType(0), m_nState(0), m_pixmap(0) {}
     ~NWPixmapCacheData()
         { SetPixmap( NULL ); };
-    void SetPixmap( GdkPixmap* pPixmap );
+    void SetPixmap( GdkX11Pixmap* pPixmap );
 };
 
 class NWPixmapCache
@@ -294,8 +360,8 @@ public:
         { delete [] pData; m_idx = 0; m_size = n; pData = new NWPixmapCacheData[m_size]; }
     int GetSize() const { return m_size; }
 
-    bool Find( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkPixmap** pPixmap );
-    void Fill( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkPixmap* pPixmap );
+    bool Find( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkX11Pixmap** pPixmap );
+    void Fill( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkX11Pixmap* pPixmap );
 
     void ThemeChanged();
 };
@@ -312,15 +378,12 @@ public:
 
 // --- implementation ---
 
-void NWPixmapCacheData::SetPixmap( GdkPixmap* pPixmap )
+void NWPixmapCacheData::SetPixmap( GdkX11Pixmap* pPixmap )
 {
     if( m_pixmap )
-        g_object_unref( m_pixmap );
+        delete m_pixmap;
 
     m_pixmap = pPixmap;
-
-    if( m_pixmap )
-        g_object_ref( m_pixmap );
 }
 
 NWPixmapCache::NWPixmapCache( SalX11Screen nScreen )
@@ -346,7 +409,7 @@ void NWPixmapCache::ThemeChanged()
         pData[i].SetPixmap( NULL );
 }
 
-bool  NWPixmapCache::Find( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkPixmap** pPixmap )
+bool  NWPixmapCache::Find( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkX11Pixmap** pPixmap )
 {
     aState &= ~CTRL_CACHING_ALLOWED; // mask clipping flag
     int i;
@@ -365,7 +428,7 @@ bool  NWPixmapCache::Find( ControlType aType, ControlState aState, const Rectang
     return false;
 }
 
-void NWPixmapCache::Fill( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkPixmap* pPixmap )
+void NWPixmapCache::Fill( ControlType aType, ControlState aState, const Rectangle& r_pixmapRect, GdkX11Pixmap* pPixmap )
 {
     if( !(aState & CTRL_CACHING_ALLOWED) )
         return;
@@ -801,7 +864,7 @@ bool GtkSalGraphics::drawNativeControl(    ControlType nType,
 
     clipList aClip;
     GdkDrawable* gdkDrawable = GDK_DRAWABLE( GetGdkWindow() );
-    GdkPixmap* pixmap = NULL;
+    GdkX11Pixmap* pixmap = NULL;
     Rectangle aPixmapRect;
     if( ( bNeedPixmapPaint )
         && nType != CTRL_SCROLLBAR
@@ -819,7 +882,7 @@ bool GtkSalGraphics::drawNativeControl(    ControlType nType,
         pixmap = NWGetPixmapFromScreen( aPixmapRect );
         if( ! pixmap )
             return false;
-        gdkDrawable = GDK_DRAWABLE( pixmap );
+        gdkDrawable = pixmap->GetGdkDrawable();
         aCtrlRect = Rectangle( Point(1,1), aCtrlRect.GetSize() );
         aClip.push_back( aCtrlRect );
     }
@@ -956,7 +1019,7 @@ bool GtkSalGraphics::drawNativeControl(    ControlType nType,
     if( pixmap )
     {
         returnVal = NWRenderPixmapToScreen( pixmap, aPixmapRect ) && returnVal;
-        g_object_unref( pixmap );
+        delete pixmap;
     }
 
     return( returnVal );
@@ -1742,7 +1805,7 @@ bool GtkSalGraphics::NWPaintGTKScrollbar( ControlType, ControlPart nPart,
 {
     assert(aValue.getType() == CTRL_SCROLLBAR);
     const ScrollbarValue& rScrollbarVal = static_cast<const ScrollbarValue&>(aValue);
-    GdkPixmap*      pixmap = NULL;
+    GdkX11Pixmap*    pixmap = NULL;
     Rectangle        pixmapRect, scrollbarRect;
     GtkStateType    stateType;
     GtkShadowType    shadowType;
@@ -1930,7 +1993,7 @@ bool GtkSalGraphics::NWPaintGTKScrollbar( ControlType, ControlPart nPart,
     w = pixmapRect.GetWidth();
     h = pixmapRect.GetHeight();
 
-    GdkDrawable* const &gdkDrawable = GDK_DRAWABLE( pixmap );
+    GdkDrawable* const &gdkDrawable = pixmap->GetGdkDrawable();
     GdkRectangle* gdkRect = NULL;
 
     NWConvertVCLStateToGTKState( nState, &stateType, &shadowType );
@@ -2051,14 +2114,10 @@ bool GtkSalGraphics::NWPaintGTKScrollbar( ControlType, ControlPart nPart,
                          arrowRect.GetWidth(), arrowRect.GetHeight() );
     }
 
-    if( !NWRenderPixmapToScreen(pixmap, pixmapRect) )
-    {
-        g_object_unref( pixmap );
-        return false;
-    }
-    g_object_unref( pixmap );
+    bool bRet = NWRenderPixmapToScreen( pixmap, pixmapRect );
+    delete pixmap;
 
-    return true;
+    return bRet;
 }
 
 static Rectangle NWGetScrollButtonRect(    SalX11Screen nScreen, ControlPart nPart, Rectangle aAreaRect )
@@ -2282,7 +2341,8 @@ bool GtkSalGraphics::NWPaintGTKSpinBox( ControlType nType, ControlPart nPart,
                                         const ImplControlValue& aValue,
                                         const OUString& rCaption )
 {
-    GdkPixmap    *        pixmap;
+    GdkX11Pixmap *       pixmap;
+    GdkPixmap *          gdkPixmap;
     Rectangle            pixmapRect;
     GtkStateType        stateType;
     GtkShadowType        shadowType;
@@ -2326,9 +2386,10 @@ bool GtkSalGraphics::NWPaintGTKSpinBox( ControlType nType, ControlPart nPart,
     pixmap = NWGetPixmapFromScreen( pixmapRect );
     if ( !pixmap )
         return false;
+    gdkPixmap = pixmap->GetGdkPixmap();
 
     // First render background
-    gtk_paint_flat_box(m_pWindow->style,pixmap,GTK_STATE_NORMAL,GTK_SHADOW_NONE,NULL,m_pWindow,"base",
+    gtk_paint_flat_box(m_pWindow->style,gdkPixmap,GTK_STATE_NORMAL,GTK_SHADOW_NONE,NULL,m_pWindow,"base",
             -pixmapRect.Left(),
             -pixmapRect.Top(),
             pixmapRect.Right(),
@@ -2348,7 +2409,7 @@ bool GtkSalGraphics::NWPaintGTKSpinBox( ControlType nType, ControlPart nPart,
             aEditBoxRect.setX( 0 );
         aEditBoxRect.setY( 0 );
 
-        NWPaintOneEditBox( m_nXScreen, pixmap, NULL, nType, nPart, aEditBoxRect, nState, aValue, rCaption );
+        NWPaintOneEditBox( m_nXScreen, gdkPixmap, NULL, nType, nPart, aEditBoxRect, nState, aValue, rCaption );
     }
 
     NWSetWidgetState( gWidgetData[m_nXScreen].gSpinButtonWidget, nState, stateType );
@@ -2359,23 +2420,19 @@ bool GtkSalGraphics::NWPaintGTKSpinBox( ControlType nType, ControlPart nPart,
         Rectangle        shadowRect( upBtnRect );
 
         shadowRect.Union( downBtnRect );
-        gtk_paint_box( gWidgetData[m_nXScreen].gSpinButtonWidget->style, pixmap, GTK_STATE_NORMAL, shadowType, NULL,
+        gtk_paint_box( gWidgetData[m_nXScreen].gSpinButtonWidget->style, gdkPixmap, GTK_STATE_NORMAL, shadowType, NULL,
             gWidgetData[m_nXScreen].gSpinButtonWidget, "spinbutton",
             (shadowRect.Left() - pixmapRect.Left()), (shadowRect.Top() - pixmapRect.Top()),
             shadowRect.GetWidth(), shadowRect.GetHeight() );
     }
 
-    NWPaintOneSpinButton( m_nXScreen, pixmap, nType, upBtnPart, pixmapRect, upBtnState, aValue, rCaption );
-    NWPaintOneSpinButton( m_nXScreen, pixmap, nType, downBtnPart, pixmapRect, downBtnState, aValue, rCaption );
+    NWPaintOneSpinButton( m_nXScreen, gdkPixmap, nType, upBtnPart, pixmapRect, upBtnState, aValue, rCaption );
+    NWPaintOneSpinButton( m_nXScreen, gdkPixmap, nType, downBtnPart, pixmapRect, downBtnState, aValue, rCaption );
 
-    if( !NWRenderPixmapToScreen(pixmap, pixmapRect) )
-    {
-        g_object_unref( pixmap );
-        return false;
-    }
+    bool bRet = NWRenderPixmapToScreen( pixmap, pixmapRect );
+    delete pixmap;
 
-    g_object_unref( pixmap );
-    return true;
+    return bRet;
 }
 
 static Rectangle NWGetSpinButtonRect( SalX11Screen nScreen,
@@ -2609,7 +2666,8 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
                                         const OUString& )
 {
     OSL_ASSERT( nType != CTRL_TAB_ITEM || aValue.getType() == CTRL_TAB_ITEM );
-    GdkPixmap *    pixmap;
+    GdkX11Pixmap *   pixmap;
+    GdkPixmap *      gdkPixmap;
     Rectangle        pixmapRect;
     Rectangle        tabRect;
     GtkStateType    stateType;
@@ -2681,14 +2739,15 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
             return NWRenderPixmapToScreen( pixmap, pixmapRect );
     }
 
-    pixmap = gdk_pixmap_new( NULL, pixmapRect.GetWidth(), pixmapRect.GetHeight(),
-                             GetGenericData()->GetSalDisplay()->GetVisual( m_nXScreen ).GetDepth() );
+    pixmap = new GdkX11Pixmap( pixmapRect.GetWidth(), pixmapRect.GetHeight(),
+                               GetGenericData()->GetSalDisplay()->GetVisual( m_nXScreen ).GetDepth() );
+    gdkPixmap = pixmap->GetGdkPixmap();
     GdkRectangle paintRect;
     paintRect.x = paintRect.y = 0;
     paintRect.width = pixmapRect.GetWidth();
     paintRect.height = pixmapRect.GetHeight();
 
-    gtk_paint_flat_box( m_pWindow->style, pixmap, GTK_STATE_NORMAL,
+    gtk_paint_flat_box( m_pWindow->style, gdkPixmap, GTK_STATE_NORMAL,
                         GTK_SHADOW_NONE, &paintRect, m_pWindow, "base",
                         -rControlRectangle.Left(),
                         -rControlRectangle.Top(),
@@ -2703,7 +2762,7 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
             break;
 
         case CTRL_TAB_PANE:
-            gtk_paint_box_gap( gWidgetData[m_nXScreen].gNotebookWidget->style, pixmap, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, gWidgetData[m_nXScreen].gNotebookWidget,
+            gtk_paint_box_gap( gWidgetData[m_nXScreen].gNotebookWidget->style, gdkPixmap, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, gWidgetData[m_nXScreen].gNotebookWidget,
                 (char *)"notebook", 0, 0, pixmapRect.GetWidth(), pixmapRect.GetHeight(), GTK_POS_TOP, 0, 0 );
             break;
 
@@ -2712,7 +2771,7 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
             stateType = ( nState & CTRL_STATE_SELECTED ) ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE;
 
             // First draw the background
-            gtk_paint_flat_box(gWidgetData[m_nXScreen].gNotebookWidget->style, pixmap,
+            gtk_paint_flat_box(gWidgetData[m_nXScreen].gNotebookWidget->style, gdkPixmap,
                                    GTK_STATE_NORMAL, GTK_SHADOW_NONE, NULL, m_pWindow, "base",
                                    -rControlRectangle.Left(),
                                    -rControlRectangle.Top(),
@@ -2721,17 +2780,17 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
 
             // Now the tab itself
             if( nState & CTRL_STATE_ROLLOVER )
-                g_object_set_data(G_OBJECT(pixmap),tabPrelitDataName,reinterpret_cast<gpointer>(TRUE));
+                g_object_set_data(G_OBJECT(gdkPixmap),tabPrelitDataName,reinterpret_cast<gpointer>(TRUE));
 
-            gtk_paint_extension( gWidgetData[m_nXScreen].gNotebookWidget->style, pixmap, stateType, GTK_SHADOW_OUT, NULL, gWidgetData[m_nXScreen].gNotebookWidget,
+            gtk_paint_extension( gWidgetData[m_nXScreen].gNotebookWidget->style, gdkPixmap, stateType, GTK_SHADOW_OUT, NULL, gWidgetData[m_nXScreen].gNotebookWidget,
                 (char *)"tab", (tabRect.Left() - pixmapRect.Left()), (tabRect.Top() - pixmapRect.Top()),
                 tabRect.GetWidth(), tabRect.GetHeight(), GTK_POS_BOTTOM );
 
-            g_object_steal_data(G_OBJECT(pixmap),tabPrelitDataName);
+            g_object_steal_data(G_OBJECT(gdkPixmap),tabPrelitDataName);
 
             if ( nState & CTRL_STATE_SELECTED )
             {
-                gtk_paint_flat_box( m_pWindow->style, pixmap, stateType, GTK_SHADOW_NONE, NULL, m_pWindow,
+                gtk_paint_flat_box( m_pWindow->style, gdkPixmap, stateType, GTK_SHADOW_NONE, NULL, m_pWindow,
                     "base", 0, (pixmapRect.GetHeight() - 1), pixmapRect.GetWidth(), 1 );
             }
             break;
@@ -2747,8 +2806,7 @@ bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
     else
         aCachePage.Fill( nType, nState, pixmapRect, pixmap );
 
-    bool bSuccess = NWRenderPixmapToScreen(pixmap, pixmapRect);
-    g_object_unref( pixmap );
+    bool bSuccess = NWRenderPixmapToScreen( pixmap, pixmapRect );
     return bSuccess;
 }
 
@@ -3324,11 +3382,11 @@ bool GtkSalGraphics::NWPaintGTKListNode(
             break;
     }
 
-    GdkPixmap* pixmap = NWGetPixmapFromScreen( aRect );
+    GdkX11Pixmap* pixmap = NWGetPixmapFromScreen( aRect );
     if( ! pixmap )
         return false;
 
-    GdkDrawable* const &pixDrawable = GDK_DRAWABLE( pixmap );
+    GdkDrawable* const &pixDrawable = pixmap->GetGdkDrawable();
     gtk_paint_expander( gWidgetData[m_nXScreen].gTreeView->style,
                         pixDrawable,
                         stateType,
@@ -3339,7 +3397,7 @@ bool GtkSalGraphics::NWPaintGTKListNode(
                         eStyle );
 
     bool bRet = NWRenderPixmapToScreen( pixmap, aRect );
-    g_object_unref( pixmap );
+    delete pixmap;
 
     return bRet;
 }
@@ -3360,11 +3418,11 @@ bool GtkSalGraphics::NWPaintGTKProgress(
 
     long nProgressWidth = rValue.getNumericVal();
 
-    GdkPixmap* pixmap = NWGetPixmapFromScreen( Rectangle( Point( 0, 0 ), Size( w, h ) ) );
+    GdkX11Pixmap* pixmap = NWGetPixmapFromScreen( Rectangle( Point( 0, 0 ), Size( w, h ) ) );
     if( ! pixmap )
         return false;
 
-    GdkDrawable* const &pixDrawable = GDK_DRAWABLE( pixmap );
+    GdkDrawable* const &pixDrawable = pixmap->GetGdkDrawable();
 
     // paint background
     gtk_paint_flat_box(gWidgetData[m_nXScreen].gProgressBar->style, pixDrawable,
@@ -3408,7 +3466,7 @@ bool GtkSalGraphics::NWPaintGTKProgress(
     }
 
     bool bRet = NWRenderPixmapToScreen( pixmap, rControlRectangle );
-    g_object_unref( pixmap );
+    delete pixmap;
 
     return bRet;
 }
@@ -3430,11 +3488,11 @@ bool GtkSalGraphics::NWPaintGTKSlider(
 
     const SliderValue* pVal = static_cast<const SliderValue*>(&rValue);
 
-    GdkPixmap* pixmap = NWGetPixmapFromScreen( rControlRectangle );
+    GdkX11Pixmap* pixmap = NWGetPixmapFromScreen( rControlRectangle );
     if( ! pixmap )
         return false;
 
-    GdkDrawable* const &pixDrawable = GDK_DRAWABLE( pixmap );
+    GdkDrawable* const &pixDrawable = pixmap->GetGdkDrawable();
     GtkWidget* pWidget = (nPart == PART_TRACK_HORZ_AREA)
                          ? GTK_WIDGET(gWidgetData[m_nXScreen].gHScale)
                          : GTK_WIDGET(gWidgetData[m_nXScreen].gVScale);
@@ -3496,7 +3554,7 @@ bool GtkSalGraphics::NWPaintGTKSlider(
     }
 
     bool bRet = NWRenderPixmapToScreen( pixmap, rControlRectangle );
-    g_object_unref( pixmap );
+    delete pixmap;
 
     return bRet;
 }
@@ -4070,62 +4128,28 @@ void GtkSalGraphics::updateSettings( AllSettings& rSettings )
  * Create a GdkPixmap filled with the contents of an area of an Xlib window
  ************************************************************************/
 
-GdkPixmap* GtkSalGraphics::NWGetPixmapFromScreen( Rectangle srcRect )
+GdkX11Pixmap* GtkSalGraphics::NWGetPixmapFromScreen( Rectangle srcRect )
 {
-    // Create a new pixmap to hold the composite of the window background and the control
-    GdkPixmap * pPixmap        = gdk_pixmap_new( GDK_DRAWABLE(GetGdkWindow()), srcRect.GetWidth(), srcRect.GetHeight(), -1 );
-    GdkGC *     pPixmapGC      = gdk_gc_new( pPixmap );
-
-    if( !pPixmap || !pPixmapGC )
-    {
-        if ( pPixmap )
-            g_object_unref( pPixmap );
-        if ( pPixmapGC )
-            g_object_unref( pPixmapGC );
-        std::fprintf( stderr, "salnativewidgets-gtk.cxx: could not get valid pixmap from screen\n" );
-        return( NULL );
-    }
-
-    // Copy the background of the screen into a composite pixmap
-    CopyScreenArea( GetXDisplay(),
-                    GetDrawable(), GetScreenNumber(), GetVisual().GetDepth(),
-                    gdk_x11_drawable_get_xid(pPixmap),
-                    SalX11Screen( gdk_screen_get_number( gdk_drawable_get_screen( GDK_DRAWABLE(pPixmap) ) ) ),
-                    gdk_drawable_get_depth( GDK_DRAWABLE( pPixmap ) ),
-                    gdk_x11_gc_get_xgc(pPixmapGC),
-                    srcRect.Left(), srcRect.Top(), srcRect.GetWidth(), srcRect.GetHeight(), 0, 0 );
-
-    g_object_unref( pPixmapGC );
-    return( pPixmap );
+    X11Pixmap* pPixmap;
+    GdkX11Pixmap* pResult;
+
+    pPixmap = GetPixmapFromScreen( srcRect );
+    if( pPixmap == NULL )
+        return NULL;
+
+    pResult = new GdkX11Pixmap( *pPixmap, GetGdkWindow() );
+    delete pPixmap;
+
+    return pResult;
 }
 
 /************************************************************************
  * Copy an alpha pixmap to screen using a gc with clipping
  ************************************************************************/
 
-bool GtkSalGraphics::NWRenderPixmapToScreen( GdkPixmap* pPixmap, Rectangle dstRect )
+bool GtkSalGraphics::NWRenderPixmapToScreen( GdkX11Pixmap* pPixmap, Rectangle dstRect )
 {
-    // The GC can't be null, otherwise we'd have no clip region
-    GC aFontGC = GetFontGC();
-    if( aFontGC == NULL )
-    {
-        std::fprintf(stderr, "salnativewidgets.cxx: no valid GC\n" );
-        return false;
-    }
-
-    if ( !pPixmap )
-        return false;
-
-    // Copy the background of the screen into a composite pixmap
-    CopyScreenArea( GetXDisplay(),
-                    GDK_DRAWABLE_XID(pPixmap),
-                    SalX11Screen( gdk_screen_get_number( gdk_drawable_get_screen( GDK_DRAWABLE(pPixmap) ) ) ),
-                    gdk_drawable_get_depth( GDK_DRAWABLE(pPixmap) ),
-                    GetDrawable(), m_nXScreen, GetVisual().GetDepth(),
-                    aFontGC,
-                    0, 0, dstRect.GetWidth(), dstRect.GetHeight(), dstRect.Left(), dstRect.Top() );
-
-    return true;
+    return RenderPixmapToScreen( pPixmap, dstRect.Left(), dstRect.Top() );
 }
 
 /************************************************************************
commit 8f9a75d1a2e94ea2a31949484581b97e50e0c14c
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 20:17:29 2014 +0100

    fix line position
    
    Change-Id: Ic604eb7b0d663928ab614fe85530e4f925bcff8f

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index a92682a..835d344 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -302,8 +302,8 @@ void OpenGLSalGraphicsImpl::DrawLines( sal_uInt32 nPoints, const SalPoint* pPtAr
 
     for( i = 0, j = 0; i < nPoints; i++ )
     {
-        aPoints[j++] = (2 * pPtAry[i].mnX) / GetWidth()  - 1.0;
-        aPoints[j++] = (2 * pPtAry[i].mnY) / GetHeight() - 1.0;
+        aPoints[j++] = (2 * pPtAry[i].mnX) / GetWidth()  - 1.0f;
+        aPoints[j++] = 1.0f - (2 * pPtAry[i].mnY) / GetHeight();
     }
 
     glEnableVertexAttribArray( GL_ATTRIB_POS );
commit 681eafcbe1bf13cdb7cbc1bf7d5a37b820caebdb
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 20:15:33 2014 +0100

    fix ellipse rendering completely
    
    Change-Id: I861ab0442f85f54d4a390d46c784bcf03545ae15

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 161de3a..a92682a 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -372,7 +372,7 @@ void OpenGLSalGraphicsImpl::DrawPolygon( sal_uInt32 nPoints, const SalPoint* pPt
         {
             const ::basegfx::B2DPoint& rPt( aResult.getB2DPoint(i) );
             aVertices[j++] = 2 * rPt.getX() / nWidth - 1.0f;
-            aVertices[j++] = 2 * rPt.getY() / nHeight - 1.0f;
+            aVertices[j++] = 1.0f - 2 * rPt.getY() / nHeight;
         }
 
         glEnableVertexAttribArray( GL_ATTRIB_POS );
commit 79d3cc082de625a6691302c4b0bc0bfe3dcf2a9c
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 20:12:34 2014 +0100

    improvement for ellipse rendering
    
    Change-Id: I0ce74b77e0b08ddde5b93cf9e9da2ee7e0a1fdea

diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index d9a676f..161de3a 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -363,18 +363,20 @@ void OpenGLSalGraphicsImpl::DrawPolygon( sal_uInt32 nPoints, const SalPoint* pPt
     {
         const ::basegfx::B2DPolygon& aResult(
             ::basegfx::triangulator::triangulate( aPolygon ) );
-        std::vector<GLushort> aVertices(aResult.count() * 2);
+        std::vector<GLfloat> aVertices(aResult.count() * 2);
         sal_uInt32 j( 0 );
 
+        float nHeight = GetHeight();
+        float nWidth = GetWidth();
         for( sal_uInt32 i = 0; i < aResult.count(); i++ )
         {
             const ::basegfx::B2DPoint& rPt( aResult.getB2DPoint(i) );
-            aVertices[j++] = rPt.getX();
-            aVertices[j++] = rPt.getY();
+            aVertices[j++] = 2 * rPt.getX() / nWidth - 1.0f;
+            aVertices[j++] = 2 * rPt.getY() / nHeight - 1.0f;
         }
 
         glEnableVertexAttribArray( GL_ATTRIB_POS );
-        glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_UNSIGNED_SHORT, GL_FALSE, 0, &aVertices[0] );
+        glVertexAttribPointer( GL_ATTRIB_POS, 2, GL_FLOAT, GL_FALSE, 0, &aVertices[0] );
         glDrawArrays( GL_TRIANGLES, 0, aResult.count() );
         glDisableVertexAttribArray( GL_ATTRIB_POS );
     }
commit 817d12955d114c502a5c4b355dce34f9f95a837e
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 19:57:41 2014 +0100

    use different line and fill colors
    
    makes it easier to see if one is missing
    
    Change-Id: I983fdf2edf22c431d601a63dbf90902a3f8657f2

diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
index 2d457de..d753c0d 100644
--- a/vcl/workben/vcldemo.cxx
+++ b/vcl/workben/vcldemo.cxx
@@ -126,6 +126,8 @@ public:
     }
     void drawEllipse(Rectangle r)
     {
+        SetLineColor(Color(COL_RED));
+        SetFillColor(Color(COL_GREEN));
         DrawEllipse(r);
     }
     void drawCheckered(Rectangle r)
commit eeb338abd203c06969d2d7d9734624551a79f371
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 19:38:15 2014 +0100

    fix comment
    
    Change-Id: I5d0f4a1ae8ac56e9da8d19b7b433513271e7a705

diff --git a/vcl/workben/vcldemo.cxx b/vcl/workben/vcldemo.cxx
index 2ab4b3f..2d457de 100644
--- a/vcl/workben/vcldemo.cxx
+++ b/vcl/workben/vcldemo.cxx
@@ -121,8 +121,7 @@ public:
         tools::PolyPolygon aPPoly(aPoly);
         SetLineColor(Color(COL_RED));
         SetFillColor(Color(COL_RED));
-        // This hits the 'drawAlphaRect' code-path
-        // FIXME: not alpha ...
+        // This hits the optional 'drawPolyPolygon' code-path
         DrawTransparent(aPPoly, 64);
     }
     void drawEllipse(Rectangle r)
commit c311d0269f6437ebb6ca88a483ecd8b4ec7537de
Author: Markus Mohrhard <markus.mohrhard at collabora.co.uk>
Date:   Sat Nov 8 19:23:16 2014 +0100

    get size correct for virtual devices
    
    Change-Id: I8fff04f561d57083c65a87ad5bd0e04cb9b9ed2c

diff --git a/vcl/inc/openglgdiimpl.hxx b/vcl/inc/openglgdiimpl.hxx
index 688a8d9..ef80d34 100644
--- a/vcl/inc/openglgdiimpl.hxx
+++ b/vcl/inc/openglgdiimpl.hxx
@@ -26,6 +26,7 @@
 #include <vcl/opengl/OpenGLContext.hxx>
 
 class SalFrame;
+class SalVirtualDevice;
 
 class VCL_PLUGIN_PUBLIC OpenGLSalGraphicsImpl : public SalGraphicsImpl
 {
@@ -33,6 +34,7 @@ private:
 
     OpenGLContext maContext;
     SalFrame* mpFrame;
+    SalVirtualDevice* mpVDev;
 
     SalColor mnLineColor;
     SalColor mnFillColor;
@@ -88,6 +90,7 @@ public:
     virtual void freeResources() SAL_OVERRIDE;
 
     virtual void Init( SalFrame* pFrame ) SAL_OVERRIDE;
+    virtual void Init( SalVirtualDevice* pVDev ) SAL_OVERRIDE;
 
     virtual bool setClipRegion( const vcl::Region& ) SAL_OVERRIDE;
     //
diff --git a/vcl/inc/salgdiimpl.hxx b/vcl/inc/salgdiimpl.hxx
index ba54f9f..dc8c580 100644
--- a/vcl/inc/salgdiimpl.hxx
+++ b/vcl/inc/salgdiimpl.hxx
@@ -36,6 +36,7 @@ class SalGraphics;
 class SalBitmap;
 class SalFrame;
 class Gradient;
+class SalVirtualDevice;
 
 class VCL_PLUGIN_PUBLIC SalGraphicsImpl
 {
@@ -45,6 +46,8 @@ public:
 
     virtual void Init( SalFrame* pFrame ) = 0;
 
+    virtual void Init( SalVirtualDevice* pVDev ) = 0;
+
     virtual void freeResources() = 0;
 
     virtual bool setClipRegion( const vcl::Region& ) = 0;
diff --git a/vcl/opengl/gdiimpl.cxx b/vcl/opengl/gdiimpl.cxx
index 4865379..d9a676f 100644
--- a/vcl/opengl/gdiimpl.cxx
+++ b/vcl/opengl/gdiimpl.cxx
@@ -21,6 +21,7 @@
 
 #include <vcl/gradient.hxx>
 #include <salframe.hxx>
+#include "salvd.hxx"
 #include <basegfx/polygon/b2dpolygontools.hxx>
 #include <basegfx/polygon/b2dpolygontriangulator.hxx>
 
@@ -53,6 +54,11 @@ void OpenGLSalGraphicsImpl::Init( SalFrame* pFrame )
     mpFrame = pFrame;
 }
 
+void OpenGLSalGraphicsImpl::Init(SalVirtualDevice* pVDev)
+{
+    mpVDev = pVDev;
+}
+
 bool OpenGLSalGraphicsImpl::setClipRegion( const vcl::Region& rClip )
 {
     const basegfx::B2DPolyPolygon aClip( rClip.GetAsB2DPolyPolygon() );
@@ -92,14 +98,28 @@ inline GLfloat OpenGLSalGraphicsImpl::GetWidth() const
 {
     if( mpFrame )
         return mpFrame->maGeometry.nWidth;
-    return 0;
+    else if (mpVDev)
+    {
+        long nWidth = 0;
+        long nHeight = 0;
+        mpVDev->GetSize(nWidth, nHeight);
+        return nWidth;
+    }
+    return 1;
 }
 
 inline GLfloat OpenGLSalGraphicsImpl::GetHeight() const
 {
     if( mpFrame )
         return mpFrame->maGeometry.nHeight;
-    return 0;
+    else if (mpVDev)
+    {
+        long nWidth = 0;
+        long nHeight = 0;
+        mpVDev->GetSize(nWidth, nHeight);
+        return nHeight;
+    }
+    return 1;
 }
 
 // set the clip region to empty
diff --git a/vcl/unx/generic/gdi/gdiimpl.cxx b/vcl/unx/generic/gdi/gdiimpl.cxx
index 6b90220..f2ccf90 100644
--- a/vcl/unx/generic/gdi/gdiimpl.cxx
+++ b/vcl/unx/generic/gdi/gdiimpl.cxx
@@ -159,6 +159,12 @@ void X11SalGraphicsImpl::Init( SalFrame* /*pFrame*/ )
     mnBrushPixel = mrParent.GetPixel( mnBrushColor );
 }
 
+void X11SalGraphicsImpl::Init( SalVirtualDevice* /*pVDev*/ )
+{
+    mnPenPixel = mrParent.GetPixel( mnPenColor );
+    mnBrushPixel = mrParent.GetPixel( mnBrushColor );
+}
+
 XID X11SalGraphicsImpl::GetXRenderPicture()
 {
     XRenderPeer& rRenderPeer = XRenderPeer::GetInstance();

... etc. - the rest is truncated


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