aw079: #i107500# changed 3D renderer to be able to render overlapping transparent parts from back to front (Z-sorted)

2 files changed, 14 insertions, 19 deletions

diff --git a/drawinglayer/inc/drawinglayer/processor3d/defaultprocessor3d.hxx b/drawinglayer/inc/drawinglayer/processor3d/defaultprocessor3d.hxx
index e965d22ab880..d0f886cca703 100644
--- a/drawinglayer/inc/drawinglayer/processor3d/defaultprocessor3d.hxx
+++ b/drawinglayer/inc/drawinglayer/processor3d/defaultprocessor3d.hxx
@@ -41,6 +41,7 @@
 #include <basegfx/range/b2drange.hxx>
 #include <basegfx/color/bcolormodifier.hxx>
 #include <svtools/optionsdrawinglayer.hxx>
+#include <boost/shared_ptr.hpp>
 
 //////////////////////////////////////////////////////////////////////////////
 // predefines
@@ -90,14 +91,17 @@ namespace drawinglayer
             basegfx::BColorModifierStack                        maBColorModifierStack;
 
             // the current active texture
-            texture::GeoTexSvx*                                 mpGeoTexSvx;
+            boost::shared_ptr< texture::GeoTexSvx >             mpGeoTexSvx;
 
             // the current active transparence texture
-            texture::GeoTexSvx*                                 mpTransparenceGeoTexSvx;
+            boost::shared_ptr< texture::GeoTexSvx >             mpTransparenceGeoTexSvx;
 
             // SvtOptionsDrawinglayer incarnation to react on diverse settings
             const SvtOptionsDrawinglayer                        maDrawinglayerOpt;
 
+            // counter for entered transparence textures
+            sal_uInt32                                          mnTransparenceCounter;
+
             // bitfield
             unsigned                                            mbModulate : 1;
             unsigned                                            mbFilter : 1;
@@ -135,8 +139,9 @@ namespace drawinglayer
 
             // data read access renderer stuff
             const basegfx::BColorModifierStack& getBColorModifierStack() const { return maBColorModifierStack; }
-            const texture::GeoTexSvx* getGeoTexSvx() const { return mpGeoTexSvx; }
-            const texture::GeoTexSvx* getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
+            const boost::shared_ptr< texture::GeoTexSvx >& getGeoTexSvx() const { return mpGeoTexSvx; }
+            const boost::shared_ptr< texture::GeoTexSvx >& getTransparenceGeoTexSvx() const { return mpTransparenceGeoTexSvx; }
+            sal_uInt32 getTransparenceCounter() const { return mnTransparenceCounter; }
             bool getModulate() const { return mbModulate; }
             bool getFilter() const { return mbFilter; }
             bool getSimpleTextureActive() const { return mbSimpleTextureActive; }
diff --git a/drawinglayer/inc/drawinglayer/processor3d/zbufferprocessor3d.hxx b/drawinglayer/inc/drawinglayer/processor3d/zbufferprocessor3d.hxx
index d2ef8bd7f249..b2e09205dba9 100644
--- a/drawinglayer/inc/drawinglayer/processor3d/zbufferprocessor3d.hxx
+++ b/drawinglayer/inc/drawinglayer/processor3d/zbufferprocessor3d.hxx
@@ -58,6 +58,7 @@ namespace drawinglayer {
 }
 
 class ZBufferRasterConverter3D;
+class RasterPrimitive3D;
 
 //////////////////////////////////////////////////////////////////////////////
 
@@ -81,21 +82,15 @@ namespace drawinglayer
             // will switch it off while e.g. 2 will use 2x2 pixels for each pixel to create
             sal_uInt16                                          mnAntiAlialize;
 
-            // bitfield
-            // a combination of bools to allow two-pass rendering to render
-            // the transparent parts in the 2nd run (if any) as needed for Z-Buffer
-            unsigned                                            mbProcessTransparent : 1;
-            unsigned                                            mbContainsTransparent : 1;
-
+            // remembered RasterPrimitive3D's which need to be painted back to front
+            // for transparent 3D parts
+            std::vector< RasterPrimitive3D >*                   mpRasterPrimitive3Ds;
 
             //////////////////////////////////////////////////////////////////////////////
             // rasterconversions for filled and non-filled polygons
             virtual void rasterconvertB3DPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolygon& rHairline) const;
             virtual void rasterconvertB3DPolyPolygon(const attribute::MaterialAttribute3D& rMaterial, const basegfx::B3DPolyPolygon& rFill) const;
 
-            // the processing method for a single, known primitive
-            virtual void processBasePrimitive3D(const primitive3d::BasePrimitive3D& rBasePrimitive);
-
         public:
             ZBufferProcessor3D(
                 const geometry::ViewInformation3D& rViewInformation3D,
@@ -108,12 +103,7 @@ namespace drawinglayer
                 sal_uInt16 nAntiAlialize);
             virtual ~ZBufferProcessor3D();
 
-            // helpers for drawing transparent parts in 2nd run. To use this
-            // processor, call processNonTransparent and then processTransparent
-            // with the same primitives. The 2nd call will only do something,
-            // when transparent parts are contained
-            void processNonTransparent(const primitive3d::Primitive3DSequence& rSource);
-            void processTransparent(const primitive3d::Primitive3DSequence& rSource);
+            void finish();
 
             // get the result as bitmapEx
             BitmapEx getBitmapEx() const;