/usr/include/osg/FragmentProgram is in libopenscenegraph-dev 3.2.0~rc1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_FRAGMENTPROGRAM
#define OSG_FRAGMENTPROGRAM 1
#include <osg/StateAttribute>
#include <osg/Vec4>
#include <osg/Matrix>
#include <osg/buffered_value>
#include <map>
#include <string>
// if not defined by gl.h use the definition found in:
// http://oss.sgi.com/projects/ogl-sample/registry/ARB/fragment_program.txt
#ifndef GL_ARB_fragment_program
#define GL_FRAGMENT_PROGRAM_ARB 0x8804
#define GL_PROGRAM_FORMAT_ASCII_ARB 0x8875
#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_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_ALU_INSTRUCTIONS_ARB 0x8805
#define GL_PROGRAM_TEX_INSTRUCTIONS_ARB 0x8806
#define GL_PROGRAM_TEX_INDIRECTIONS_ARB 0x8807
#define GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x8808
#define GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x8809
#define GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x880A
#define GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB 0x880B
#define GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB 0x880C
#define GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB 0x880D
#define GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB 0x880E
#define GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB 0x880F
#define GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB 0x8810
#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_PROGRAM_MATRICES_ARB 0x862F
#define GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB 0x862E
#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
#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 {
/** FragmentProgram - encapsulates the OpenGL ARB fragment program state.*/
class OSG_EXPORT FragmentProgram : public StateAttribute
{
public:
FragmentProgram();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
FragmentProgram(const FragmentProgram& vp,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_StateAttribute(osg, FragmentProgram, FRAGMENTPROGRAM);
/** 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_Parameter macros below.
COMPARE_StateAttribute_Types(FragmentProgram,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_fragmentProgram)
return 0; // passed all the above comparison macros, must be equal.
}
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
{
usage.usesMode(GL_FRAGMENT_PROGRAM_ARB);
return true;
}
// data access methods.
/** Get the handle to the fragment program id for the current context.*/
inline GLuint& getFragmentProgramID(unsigned int contextID) const
{
return _fragmentProgramIDList[contextID];
}
/** Set the fragment program using a C style string.*/
inline void setFragmentProgram( const char* program )
{
_fragmentProgram = program;
dirtyFragmentProgramObject();
}
/** Set the fragment program using C++ style string.*/
inline void setFragmentProgram( const std::string& program )
{
_fragmentProgram = program;
dirtyFragmentProgramObject();
}
/** Get the fragment program.*/
inline const std::string& getFragmentProgram() const { return _fragmentProgram; }
/** Set Program Parameters */
inline void setProgramLocalParameter(const GLuint index, const Vec4& p)
{
_programLocalParameters[index] = p;
}
typedef std::map<GLuint,Vec4> LocalParamList;
/** Set list of Program Parameters */
inline void setLocalParameters(const LocalParamList& lpl) { _programLocalParameters = lpl; }
/** Get list of Program Parameters */
inline LocalParamList& getLocalParameters() { return _programLocalParameters; }
/** Get const list of Program Parameters */
inline const LocalParamList& getLocalParameters() const { return _programLocalParameters; }
/** Matrix */
inline void setMatrix(const GLenum mode, const Matrix& matrix)
{
_matrixList[mode] = matrix;
}
typedef std::map<GLenum,Matrix> MatrixList;
/** Set list of Matrices */
inline void setMatrices(const MatrixList& matrices) { _matrixList = matrices; }
/** Get list of Matrices */
inline MatrixList& getMatrices() { return _matrixList; }
/** Get list of Matrices */
inline const MatrixList& getMatrices() const { return _matrixList; }
/** Force a recompile on next apply() of associated OpenGL vertex program objects.*/
void dirtyFragmentProgramObject();
/** use deleteFragmentProgramObject instead of glDeletePrograms to allow
* OpenGL Fragment Program objects to be cached until they can be deleted
* by the OpenGL context in which they were created, specified
* by contextID.*/
static void deleteFragmentProgramObject(unsigned int contextID,GLuint handle);
/** flush all the cached fragment programs which need to be deleted
* in the OpenGL context related to contextID.*/
static void flushDeletedFragmentProgramObjects(unsigned int contextID,double currentTime, double& availableTime);
/** discard all the cached fragment programs which need to be deleted
* in the OpenGL context related to contextID.
* Note, unlike flush no OpenGL calls are made, instead the handles are all removed.
* this call is useful for when an OpenGL context has been destroyed. */
static void discardDeletedFragmentProgramObjects(unsigned int contextID);
virtual void apply(State& state) const;
virtual void compileGLObjects(State& state) const { apply(state); }
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** release an OpenGL objects in specified graphics context if State
object is passed, otherwise release OpenGL objects for all graphics context if
State object pointer == NULL.*/
virtual void releaseGLObjects(State* state=0) const;
/** Extensions class which encapsulates the querying of extensions and
* associated function pointers, and provide convenience wrappers to
* check for the extensions or use the associated functions.*/
class OSG_EXPORT Extensions : public osg::Referenced
{
public:
Extensions(unsigned int contextID);
Extensions(const Extensions& rhs);
void lowestCommonDenominator(const Extensions& rhs);
void setupGLExtensions(unsigned int contextID);
void setFragmentProgramSupported(bool flag) { _isFragmentProgramSupported=flag; }
bool isFragmentProgramSupported() const { return _isFragmentProgramSupported; }
void glBindProgram(GLenum target, GLuint id) const;
void glGenPrograms(GLsizei n, GLuint *programs) const;
void glDeletePrograms(GLsizei n, GLuint *programs) const;
void glProgramString(GLenum target, GLenum format, GLsizei len, const void *string) const;
void glProgramLocalParameter4fv(GLenum target, GLuint index, const GLfloat *params) const;
protected:
~Extensions() {}
bool _isFragmentProgramSupported;
typedef void (GL_APIENTRY * BindProgramProc) (GLenum target, GLuint id);
typedef void (GL_APIENTRY * GenProgramsProc) (GLsizei n, GLuint *programs);
typedef void (GL_APIENTRY * DeleteProgramsProc) (GLsizei n, GLuint *programs);
typedef void (GL_APIENTRY * ProgramStringProc) (GLenum target, GLenum format, GLsizei len, const void *string);
typedef void (GL_APIENTRY * ProgramLocalParameter4fvProc) (GLenum target, GLuint index, const GLfloat *params);
BindProgramProc _glBindProgram;
GenProgramsProc _glGenPrograms;
DeleteProgramsProc _glDeletePrograms;
ProgramStringProc _glProgramString;
ProgramLocalParameter4fvProc _glProgramLocalParameter4fv;
};
/** Function to call to get the extension of a specified context.
* If the Extension object for that context has not yet been created and the
* 'createIfNotInitalized' flag has been set to false then returns NULL.
* If 'createIfNotInitalized' is true then the Extensions object is
* automatically created. However, in this case the extension object will
* only be created with the graphics context associated with ContextID..*/
static Extensions* getExtensions(unsigned int contextID,bool createIfNotInitalized);
/** setExtensions allows users to override the extensions across graphics contexts.
* typically used when you have different extensions supported across graphics pipes
* but need to ensure that they all use the same low common denominator extensions.*/
static void setExtensions(unsigned int contextID,Extensions* extensions);
protected:
virtual ~FragmentProgram();
typedef buffered_value<GLuint> FragmentProgramIDList;
mutable FragmentProgramIDList _fragmentProgramIDList;
std::string _fragmentProgram;
LocalParamList _programLocalParameters;
MatrixList _matrixList;
};
}
#endif
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