FGFS-4.1/OpenSceneGraph
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rewrote the osg::Drawable::AttributeFunctor and PrimtiveFunctor to make

Browse Source 
them more consistent with each other. This does mean an API change, so
dependanct code in the OSG has been updated accordingly.
This commit is contained in:
Robert Osfield
2002-07-18 15:36:14 +00:00
parent 1d9dd54d11
commit ff8b4c001d
16 changed files with 146 additions and 158 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
include/osg/Drawable
View File

@@ -8,7 +8,6 @@
#include <osg/BoundingBox>
#include <osg/State>
#include <osg/Types>
#include <osg/Vec2>
#include <osg/NodeVisitor>
#include <vector>
@@ -20,6 +19,7 @@ namespace osg {
class Vec2;
class Vec3;
class Vec4;
class UByte4;
class Node;
// this is define to alter the way display lists are compiled inside the
@@ -218,50 +218,54 @@ class SG_EXPORT Drawable : public Object
* in the OpenGL context related to contextID.*/
static void flushDeletedDisplayLists(uint contextID);
typedef uint AttributeBitMask;
enum AttributeBitMaskValues
enum AttributeType
{
COORDS = 0x1,
NORMALS = 0x2,
COLORS = 0x4,
TEXTURE_COORDS = 0x8,
VERTICES,
NORMALS,
COLORS,
TEXTURE_COORDS,
TEXTURE_COORDS_0 = TEXTURE_COORDS,
TEXTURE_COORDS_1 = 0x10,
TEXTURE_COORDS_2 = 0x20,
TEXTURE_COORDS_3 = 0x40
TEXTURE_COORDS_1 = TEXTURE_COORDS_0+1,
TEXTURE_COORDS_2 = TEXTURE_COORDS_0+2,
TEXTURE_COORDS_3 = TEXTURE_COORDS_0+3,
TEXTURE_COORDS_4 = TEXTURE_COORDS_0+4,
TEXTURE_COORDS_5 = TEXTURE_COORDS_0+5,
TEXTURE_COORDS_6 = TEXTURE_COORDS_0+6,
TEXTURE_COORDS_7 = TEXTURE_COORDS_0+7
// only eight texture coord examples provided here, but underlying code can handle any no of texure units,
// simply co them as (TEXTURE_COORDS_0+unit).
};
class AttributeFunctor
{
public:
AttributeFunctor(AttributeBitMask abm):_abm(abm) {}
virtual ~AttributeFunctor() {}
void setAttributeBitMask(AttributeBitMask abm) { _abm=abm; }
AttributeBitMask getAttributeBitMask() const { return _abm; }
virtual bool apply(AttributeBitMask,Vec2*,Vec2*) { return false; }
virtual bool apply(AttributeBitMask,Vec3*,Vec3*) { return false; }
virtual bool apply(AttributeBitMask,Vec4*,Vec4*) { return false; }
protected:
AttributeBitMask _abm;
virtual void apply(AttributeType,unsigned int,GLbyte*) {}
virtual void apply(AttributeType,unsigned int,GLshort*) {}
virtual void apply(AttributeType,unsigned int,GLint*) {}
virtual void apply(AttributeType,unsigned int,GLubyte*) {}
virtual void apply(AttributeType,unsigned int,GLushort*) {}
virtual void apply(AttributeType,unsigned int,GLuint*) {}
virtual void apply(AttributeType,unsigned int,float*) {}
virtual void apply(AttributeType,unsigned int,Vec2*) {}
virtual void apply(AttributeType,unsigned int,Vec3*) {}
virtual void apply(AttributeType,unsigned int,Vec4*) {}
virtual void apply(AttributeType,unsigned int,UByte4*) {}
};
/** return the attributes supported by applyAttrbuteOperation() as an AttributeBitMask.*/
virtual AttributeBitMask suppportsAttributeOperation() const { return (AttributeBitMask)0; }
/** return the attributes successully applied in applyAttributeUpdate.*/
virtual AttributeBitMask applyAttributeOperation(AttributeFunctor&) { return 0; }
/** accept an AttributeFunctor and call its methods to tell it about the interal attributes that this Drawable has.*/
virtual void accept(AttributeFunctor&) {}
class PrimitiveFunctor
{
public:
virtual ~PrimitiveFunctor() {}
virtual void setVertexArray(unsigned int count,Vec3* vertices) = 0;
virtual void drawArrays(GLenum mode,GLint first,GLsizei count) = 0;
@@ -276,8 +280,8 @@ class SG_EXPORT Drawable : public Object
};
/** apply the internal geometry as basic primitives to a PrimitiveFunctor.*/
virtual void applyPrimitiveOperation(PrimitiveFunctor&) {}
/** accept a PrimtiveFunctor and call its methods to tell it about the interal primtives that this Drawable has.*/
virtual void accept(PrimitiveFunctor&) {}
protected: