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From Leandro Motta Barros, documentation additions to PrimitiveSet & TriangleFunctor.

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This commit is contained in:
Robert Osfield
2006-06-26 09:56:52 +00:00
parent 3b499341ed
commit f8644d08e5
2 changed files with 68 additions and 10 deletions
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51
include/osg/PrimitiveSet
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@@ -40,7 +40,7 @@ namespace osg {
class VectorGLsizei: public std::vector<GLsizei>
{
typedef std::vector<value_type> vector_type;
public:
public:
VectorGLsizei(): vector_type() {}
VectorGLsizei(const VectorGLsizei &copy): vector_type(copy) {}
VectorGLsizei(GLsizei* beg, GLsizei* end): vector_type(beg, end) {}
@@ -50,7 +50,7 @@ public:
class VectorGLubyte: public std::vector<GLubyte>
{
typedef std::vector<value_type> vector_type;
public:
public:
VectorGLubyte(): vector_type() {}
VectorGLubyte(const VectorGLubyte &copy): vector_type(copy) {}
VectorGLubyte(GLubyte* beg, GLubyte* end): vector_type(beg, end) {}
@@ -60,7 +60,7 @@ public:
class VectorGLushort: public std::vector<GLushort>
{
typedef std::vector<value_type> vector_type;
public:
public:
VectorGLushort(): vector_type() {}
VectorGLushort(const VectorGLushort &copy): vector_type(copy) {}
VectorGLushort(GLushort* beg, GLushort* end): vector_type(beg, end) {}
@@ -79,30 +79,73 @@ public:
// **************************************************************************
class State;
class State;
/** A \c PrimitiveFunctor is used (in conjunction with
* <tt>osg::Drawable::accept (PrimitiveFunctor&)</tt>) to get access to the
* primitives that compose the things drawn by OSG.
* <p>If \c osg::Drawable::accept() is called with a \c PrimitiveFunctor
* parameter, the \c Drawable will "pretend" it is drawing itself, but instead
* of calling real OpenGL functions, it will call <tt>PrimitiveFunctor</tt>'s
* member functions that "mimic" the OpenGL calls.
* <p>Concrete subclasses of \c PrimitiveFunctor must implement these methods
* so that they performs whatever they want.
*/
class PrimitiveFunctor
{
public:
virtual ~PrimitiveFunctor() {}
/** Sets the array of vertices used to describe the primitives. Somehow
* mimics the OpenGL \c glVertexPointer() function.
*/
virtual void setVertexArray(unsigned int count,const Vec2* vertices) = 0;
/** Sets the array of vertices used to describe the primitives. Somehow
* mimics the OpenGL \c glVertexPointer() function.
*/
virtual void setVertexArray(unsigned int count,const Vec3* vertices) = 0;
/** Sets the array of vertices used to describe the primitives. Somehow
* mimics the OpenGL \c glVertexPointer() function.
*/
virtual void setVertexArray(unsigned int count,const Vec4* vertices) = 0;
/// Mimics the OpenGL \c glDrawArrays() function.
virtual void drawArrays(GLenum mode,GLint first,GLsizei count) = 0;
/// Mimics the OpenGL \c glDrawElements() function.
virtual void drawElements(GLenum mode,GLsizei count,const GLubyte* indices) = 0;
/// Mimics the OpenGL \c glDrawElements() function.
virtual void drawElements(GLenum mode,GLsizei count,const GLushort* indices) = 0;
/// Mimics the OpenGL \c glDrawElements() function.
virtual void drawElements(GLenum mode,GLsizei count,const GLuint* indices) = 0;
/// Mimics the OpenGL \c glBegin() function.
virtual void begin(GLenum mode) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(const Vec2& vert) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(const Vec3& vert) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(const Vec4& vert) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(float x,float y) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(float x,float y,float z) = 0;
/// Mimics the OpenGL \c glVertex() "family of functions".
virtual void vertex(float x,float y,float z,float w) = 0;
/// Mimics the OpenGL \c glEnd() function.
virtual void end() = 0;
};