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Added new ARB vertex program state attribute and demo program,

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sent in my Brede Johansen.
This commit is contained in:
Robert Osfield
2003-01-04 20:45:53 +00:00
parent 060975a05c
commit 3ef3666d0f
15 changed files with 661 additions and 46 deletions
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8
include/osg/Geometry
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@@ -90,9 +90,9 @@ class SG_EXPORT Geometry : public Drawable
void setFogCoordBinding(AttributeBinding ab) { _fogCoordBinding = ab; _fastPathComputed=false;}
AttributeBinding getFogCoordBinding() const { return _fogCoordBinding; }
void setFogCoordArray(FloatArray* array) { _fogCoordArray = array; if (!_fogCoordArray.valid()) _fogCoordBinding=BIND_OFF; dirtyDisplayList(); }
FloatArray* getFogCoordArray() { return _fogCoordArray.get(); }
const FloatArray* getFogCoordArray() const { return _fogCoordArray.get(); }
void setFogCoordArray(Array* array) { _fogCoordArray = array; if (!_fogCoordArray.valid()) _fogCoordBinding=BIND_OFF; dirtyDisplayList(); }
Array* getFogCoordArray() { return _fogCoordArray.get(); }
const Array* getFogCoordArray() const { return _fogCoordArray.get(); }
void setFogCoordIndices(IndexArray* array) { _fogCoordIndices = array; dirtyDisplayList(); }
@@ -205,7 +205,7 @@ class SG_EXPORT Geometry : public Drawable
ref_ptr<IndexArray> _secondaryColorIndices;
mutable AttributeBinding _fogCoordBinding;
ref_ptr<FloatArray> _fogCoordArray;
ref_ptr<Array> _fogCoordArray;
ref_ptr<IndexArray> _fogCoordIndices;
TexCoordArrayList _texCoordList;

5
include/osg/StateAttribute
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@@ -151,7 +151,10 @@ class SG_EXPORT StateAttribute : public Object
CLIPPLANE_4,
CLIPPLANE_5,
COLORMATRIX
COLORMATRIX,
VERTEXPROGRAM,
FRAGMENTPROGRAM
};

183
include/osg/VertexProgram Normal file
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@@ -0,0 +1,183 @@
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_VERTEXPROGRAM
#define OSG_VERTEXPROGRAM 1
#include <osg/StateAttribute>
#include <osg/Vec4>
#include <osg/Matrix>
#include <cassert>
#include <map>
#include <string>
// if not defined by gl.h use the definition found in:
// http://oss.sgi.com/projects/ogl-sample/registry/ARB/vertex_program.txt
#ifndef GL_ARB_vertex_program
#define GL_VERTEX_PROGRAM_ARB 0x8620
#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
#define GL_VERTEX_PROGRAM_TWO_SIDE_ARB 0x8643
#define GL_COLOR_SUM_ARB 0x8458
#define GL_PROGRAM_FORMAT_ASCII_ARB 0x8875
#define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB 0x8622
#define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB 0x8623
#define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB 0x8624
#define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB 0x8625
#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB 0x886A
#define GL_CURRENT_VERTEX_ATTRIB_ARB 0x8626
#define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB 0x8645
#define GL_PROGRAM_LENGTH_ARB 0x8627
#define GL_PROGRAM_FORMAT_ARB 0x8876
#define GL_PROGRAM_BINDING_ARB 0x8677
#define GL_PROGRAM_INSTRUCTIONS_ARB 0x88A0
#define GL_MAX_PROGRAM_INSTRUCTIONS_ARB 0x88A1
#define GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A2
#define GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB 0x88A3
#define GL_PROGRAM_TEMPORARIES_ARB 0x88A4
#define GL_MAX_PROGRAM_TEMPORARIES_ARB 0x88A5
#define GL_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A6
#define GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB 0x88A7
#define GL_PROGRAM_PARAMETERS_ARB 0x88A8
#define GL_MAX_PROGRAM_PARAMETERS_ARB 0x88A9
#define GL_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AA
#define GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB 0x88AB
#define GL_PROGRAM_ATTRIBS_ARB 0x88AC
#define GL_MAX_PROGRAM_ATTRIBS_ARB 0x88AD
#define GL_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AE
#define GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB 0x88AF
#define GL_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B0
#define GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB 0x88B1
#define GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B2
#define GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB 0x88B3
#define GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB 0x88B4
#define GL_MAX_PROGRAM_ENV_PARAMETERS_ARB 0x88B5
#define GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB 0x88B6
#define GL_PROGRAM_STRING_ARB 0x8628
#define GL_PROGRAM_ERROR_POSITION_ARB 0x864B
#define GL_CURRENT_MATRIX_ARB 0x8641
#define GL_TRANSPOSE_CURRENT_MATRIX_ARB 0x88B7
#define GL_CURRENT_MATRIX_STACK_DEPTH_ARB 0x8640
#define GL_MAX_VERTEX_ATTRIBS_ARB 0x8869
#define GL_MAX_PROGRAM_MATRICES_ARB 0x862F
#define GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB 0x862E
#define GL_PROGRAM_ERROR_STRING_ARB 0x8874
#define GL_MATRIX0_ARB 0x88C0
#define GL_MATRIX1_ARB 0x88C1
#define GL_MATRIX2_ARB 0x88C2
#define GL_MATRIX3_ARB 0x88C3
#define GL_MATRIX4_ARB 0x88C4
#define GL_MATRIX5_ARB 0x88C5
#define GL_MATRIX6_ARB 0x88C6
#define GL_MATRIX7_ARB 0x88C7
#define GL_MATRIX8_ARB 0x88C8
#define GL_MATRIX9_ARB 0x88C9
#define GL_MATRIX10_ARB 0x88CA
#define GL_MATRIX11_ARB 0x88CB
#define GL_MATRIX12_ARB 0x88CC
#define GL_MATRIX13_ARB 0x88CD
#define GL_MATRIX14_ARB 0x88CE
#define GL_MATRIX15_ARB 0x88CF
#define GL_MATRIX16_ARB 0x88D0
#define GL_MATRIX17_ARB 0x88D1
#define GL_MATRIX18_ARB 0x88D2
#define GL_MATRIX19_ARB 0x88D3
#define GL_MATRIX20_ARB 0x88D4
#define GL_MATRIX21_ARB 0x88D5
#define GL_MATRIX22_ARB 0x88D6
#define GL_MATRIX23_ARB 0x88D7
#define GL_MATRIX24_ARB 0x88D8
#define GL_MATRIX25_ARB 0x88D9
#define GL_MATRIX26_ARB 0x88DA
#define GL_MATRIX27_ARB 0x88DB
#define GL_MATRIX28_ARB 0x88DC
#define GL_MATRIX29_ARB 0x88DD
#define GL_MATRIX30_ARB 0x88DE
#define GL_MATRIX31_ARB 0x88DF
#endif
namespace osg {
/** VertexProgram - encapsulates the OpenGL ARB vertex program state.*/
class SG_EXPORT VertexProgram : public StateAttribute
{
public:
VertexProgram();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
VertexProgram(const VertexProgram& vp,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_StateAttribute(osg, VertexProgram, VERTEXPROGRAM);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const osg::StateAttribute& sa) const
{
// check the types are equal and then create the rhs variable
// used by the COMPARE_StateAttribute_Paramter macro's below.
COMPARE_StateAttribute_Types(VertexProgram,sa)
// compare each paramter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_vertexProgramId)
return 0; // passed all the above comparison macro's, must be equal.
}
virtual void getAssociatedModes(std::vector<GLMode>& modes) const
{
modes.push_back(GL_VERTEX_PROGRAM_ARB);
}
// data access methods.
/** Set the vertex program using C++ style string.*/
inline void setVertexProgram( const std::string& program ) { _vertexProgram = program; }
/** Set the vertex program using a C style string.*/
inline void setVertexProgram( const char* program ) { _vertexProgram = program; }
/** Get the vertex program.*/
inline const std::string& getVertexProgram() const { return _vertexProgram; }
/** Load vertex program from file. */
// inline void loadVertexProgram( const std::string& filename ) {
// _vertexProgram = loadProgramFile( filename ); }
/** Program Parameters */
inline void setProgramLocalParameter(const GLuint index, const Vec4& p)
{
_programLocalParameters[index] = p;
}
/** Matrix */
inline void setMatrix(const GLenum mode, const Matrix& matrix)
{
assert(mode>=GL_MATRIX0_ARB && mode<=GL_MATRIX31_ARB);
_matrixList[mode] = new Matrix(matrix);
}
virtual void apply(State& state) const;
protected:
virtual ~VertexProgram();
mutable GLuint _vertexProgramId;
std::string _vertexProgram;
typedef std::map<GLuint,Vec4> LocalParamList;
LocalParamList _programLocalParameters;
typedef std::map<GLenum,ref_ptr<Matrix> > MatrixList;
MatrixList _matrixList;
};
}
#endif