Max 5 API Reference

OB3D Module
[Jitter]

Collaboration diagram for OB3D Module:

Functions

long jit_gl_report_error (char *prefix)
 Tests for OpenGL error and reports to Max window.
const char * jit_gl_get_vendor ()
 Retrieves OpenGL vendor string.
const char * jit_gl_get_renderer ()
 Retrieves OpenGL renderer string.
const char * jit_gl_get_version ()
 Retrieves OpenGL version string.
const char * jit_gl_get_glu_version ()
 Retrieves OpenGL GL Utilities version string.
const char * jit_gl_get_extensions ()
 Retrieves OpenGL extensions string.
char jit_gl_is_min_version (int major, int minor, int release)
 Tests current OpenGL version to be greater than or equal to the version provided.
char jit_gl_is_extension_supported (t_jit_gl_context ctx, const char *ext)
 Given a t_jit_gl_context pointer, checks to see if it suppports the provided extension.
t_jit_glchunk * jit_glchunk_new (t_symbol *prim, int planes, int vertices, int indices)
 Allocates and initializes a t_jit_glchunk struct.
t_jit_glchunk * jit_glchunk_grid_new (t_symbol *prim, int planes, int width, int height)
 Allocates and initializes a t_jit_glchunk struct with 2D grid matrix.
void jit_glchunk_delete (t_jit_glchunk *x)
 Disposes t_jit_glchunk struct.
t_jit_err jit_glchunk_copy (t_jit_glchunk **new, t_jit_glchunk *orig)
 Allocates t_jit_glchunk struct, and copies from t_jit_gl_struct provided.
t_jit_err jit_gl_drawinfo_setup (void *x, t_jit_gl_drawinfo *drawinfo)
 Initializes t_jit_gl_drawinfo struct with the current context and ob3d.
long jit_gl_drawinfo_active_textures (t_jit_gl_drawinfo *drawinfo)
 Determine the number of active texture units to use.
void jit_gl_texcoord1f (t_jit_gl_drawinfo *drawinfo, float s)
 Set texture coordinate for all active texture units.
void jit_gl_texcoord2f (t_jit_gl_drawinfo *drawinfo, float s, float t)
 Set texture coordinate for all active texture units.
void jit_gl_texcoord3f (t_jit_gl_drawinfo *drawinfo, float s, float t, float r)
 Set texture coordinate for all active texture units.
void jit_gl_texcoord1fv (t_jit_gl_drawinfo *drawinfo, float *v)
 Set texture coordinate for all active texture units.
void jit_gl_texcoord2fv (t_jit_gl_drawinfo *drawinfo, float *v)
 Set texture coordinate for all active texture units.
void jit_gl_texcoord3fv (t_jit_gl_drawinfo *drawinfo, float *v)
 Set texture coordinate for all active texture units.
void jit_gl_bindtexture (t_jit_gl_drawinfo *drawinfo, t_symbol *s, long i)
 Bind texture for specified texture unit.
void jit_gl_unbindtexture (t_jit_gl_drawinfo *drawinfo, t_symbol *s, long i)
 Unbind texture for specified texture unit.
void jit_gl_begincapture (t_jit_gl_drawinfo *drawinfo, t_symbol *s, long i)
 Begin texture capture.
void jit_gl_endcapture (t_jit_gl_drawinfo *drawinfo, t_symbol *s, long i)
 End texture capture.
void * jit_ob3d_setup (void *jit_class, long oboffset, long flags)
 Adds default methods and attributes to the OB3D class.
void * jit_ob3d_new (void *x, t_symbol *dest_name)
 Allocates and initializes OB3D resources.
void jit_ob3d_free (void *jit_ob)
 Disposes OB3D resources.
t_jit_err jit_ob3d_set_context (void *jit_ob)
 Sets the current Open GL context to the context referenced by the OB3D drawto attribute.
void * ob3d_jitob_get (void *v)
 Retrieves parent Jitter object from opaque t_jit_ob3d struct.
long ob3d_auto_get (void *v)
 Retrieves automatic flag from opaque t_jit_ob3d struct.
long ob3d_enable_get (void *v)
 Retrieves enable flag from opaque t_jit_ob3d struct.
long ob3d_ui_get (void *v)
 Retrieves UI flag from opaque t_jit_ob3d struct.
void * ob3d_outlet_get (void *v)
 Retrieves matrix outlet from opaque t_jit_ob3d struct.
long ob3d_dirty_get (void *v)
 Retrieves dirty flag from opaque t_jit_ob3d struct.
void ob3d_dirty_set (void *v, long c)
 Sets dirty flag from opaque t_jit_ob3d struct.
void ob3d_dest_dim_set (void *v, long width, long height)
 Sets destination dimensions in opaque t_jit_ob3d struct.
void ob3d_dest_dim_get (void *v, long *width, long *height)
 Gets destination dimensions from opaque t_jit_ob3d struct.
void ob3d_render_ptr_set (void *v, void *render_ptr)
 Sets renderer pointer in opaque t_jit_ob3d struct.
void * ob3d_render_ptr_get (void *v)
 Gets renderer pointer from opaque t_jit_ob3d struct.
void max_ob3d_setup (void)
 Adds default methods and OB3D Max wrapper class.
void max_jit_ob3d_attach (void *x, t_jit_object *jit_ob, void *outlet)
 Allocates and initializes OB3D Max wrapper related resources.
void max_jit_ob3d_detach (void *x)
 Disposes OB3D Max wrapper related resources.
t_jit_err max_jit_ob3d_assist (void *x, void *b, long m, long a, char *s)
 Default OB3D Max wrapper assistance method.
void max_ob3d_bang (t_max_object *x)
 Default OB3D Max wrapper bang method.
void max_ob3d_notify (t_max_object *x, t_symbol *sender_name, t_symbol *msg, void *p_sender)
 Default OB3D Max wrapper notification method.
t_jit_err jit_ob3d_draw_chunk (void *v, t_jit_glchunk *chunk)
 Draws one t_jit_glchunk If the OB3D is not in matrixoutput mode, the drawing call is made directly to the renderer.

Function Documentation

void jit_gl_begincapture ( t_jit_gl_drawinfo *  drawinfo,
t_symbol *  s,
long  i 
)

Begin texture capture.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s texture name
i ignored

Definition at line 331 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ob3d.

void jit_gl_bindtexture ( t_jit_gl_drawinfo *  drawinfo,
t_symbol *  s,
long  i 
)

Bind texture for specified texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s texture name
i texture unit

Definition at line 207 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ob3d.

long jit_gl_drawinfo_active_textures ( t_jit_gl_drawinfo *  drawinfo  ) 

Determine the number of active texture units to use.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
Returns:
number of active texture units

Definition at line 58 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, and t_jit_gl_drawinfo::ob3d.

t_jit_err jit_gl_drawinfo_setup ( void *  x,
t_jit_gl_drawinfo *  drawinfo 
)

Initializes t_jit_gl_drawinfo struct with the current context and ob3d.

Parameters:
x Jitter object pointer
drawinfo t_jit_gl_drawinfo pointer
Returns:
t_jit_err error code

Definition at line 28 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, and t_jit_gl_drawinfo::ob3d.

void jit_gl_endcapture ( t_jit_gl_drawinfo *  drawinfo,
t_symbol *  s,
long  i 
)

End texture capture.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s texture name
i ignored

Definition at line 355 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ob3d.

const char* jit_gl_get_extensions (  ) 

Retrieves OpenGL extensions string.

Equivalent to glGetString(GL_EXTENSIONS). Assumes a valid context has been set.

Returns:
OpenGL GL extensions string

Definition at line 336 of file jit.gl.c.

const char* jit_gl_get_glu_version (  ) 

Retrieves OpenGL GL Utilities version string.

Equivalent to glGetString(GL_GLU_VERSION). Assumes a valid context has been set.

Returns:
OpenGL GL Utilities version string

Definition at line 322 of file jit.gl.c.

const char* jit_gl_get_renderer (  ) 

Retrieves OpenGL renderer string.

Equivalent to glGetString(GL_RENDERER). Assumes a valid context has been set.

Returns:
OpenGL renderer string

Definition at line 294 of file jit.gl.c.

const char* jit_gl_get_vendor (  ) 

Retrieves OpenGL vendor string.

Equivalent to glGetString(GL_VENDOR). Assumes a valid context has been set.

Returns:
OpenGL vendor string

Definition at line 280 of file jit.gl.c.

const char* jit_gl_get_version (  ) 

Retrieves OpenGL version string.

Equivalent to glGetString(GL_VERSION). Assumes a valid context has been set.

Returns:
OpenGL version string

Definition at line 308 of file jit.gl.c.

Referenced by jit_gl_is_min_version().

char jit_gl_is_extension_supported ( t_jit_gl_context  ctx,
const char *  ext 
)

Given a t_jit_gl_context pointer, checks to see if it suppports the provided extension.

Equivalent to testing for the substring within the string returned by glGetString(GL_EXTENSIONS).

Parameters:
ctx t_jit_gl_context pointer
ext extension string
Returns:
1 if true, 0 if false.

Definition at line 392 of file jit.gl.c.

char jit_gl_is_min_version ( int  major,
int  minor,
int  release 
)

Tests current OpenGL version to be greater than or equal to the version provided.

Assumes a valid context has been set.

Parameters:
major major version number
minor minor version number
release release version number
Returns:
1 if true, 0 if false.

Definition at line 354 of file jit.gl.c.

References jit_gl_get_version().

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long jit_gl_report_error ( char *  prefix  ) 

Tests for OpenGL error and reports to Max window.

Parameters:
prefix prefix string
Returns:
OpenGL error code

Definition at line 165 of file jit.gl.c.

References error(), and post().

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void jit_gl_texcoord1f ( t_jit_gl_drawinfo *  drawinfo,
float  s 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord1fARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s s texture coordinate

Definition at line 73 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_texcoord1fv ( t_jit_gl_drawinfo *  drawinfo,
float *  v 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord1fvARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
v texture coordinate vector

Definition at line 141 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_texcoord2f ( t_jit_gl_drawinfo *  drawinfo,
float  s,
float  t 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord2fARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s s texture coordinate
t t texture coordinate

Definition at line 94 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_texcoord2fv ( t_jit_gl_drawinfo *  drawinfo,
float *  v 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord2fvARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
v texture coordinate vector

Definition at line 163 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_texcoord3f ( t_jit_gl_drawinfo *  drawinfo,
float  s,
float  t,
float  r 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord3fARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s s texture coordinate
t t texture coordinate
r r texture coordinate

Definition at line 118 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_texcoord3fv ( t_jit_gl_drawinfo *  drawinfo,
float *  v 
)

Set texture coordinate for all active texture units.

Equivalent to glMultiTexCoord3fvARB for each active texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
v texture coordinate vector

Definition at line 185 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ctx, MIN, and t_jit_gl_drawinfo::ob3d.

void jit_gl_unbindtexture ( t_jit_gl_drawinfo *  drawinfo,
t_symbol *  s,
long  i 
)

Unbind texture for specified texture unit.

Parameters:
drawinfo t_jit_gl_drawinfo pointer
s texture name
i texture unit

Definition at line 231 of file jit.gl.drawinfo.c.

References t_jit_gl_drawinfo::ob3d.

t_jit_err jit_glchunk_copy ( t_jit_glchunk **  new,
t_jit_glchunk *  orig 
)

Allocates t_jit_glchunk struct, and copies from t_jit_gl_struct provided.

Parameters:
new pointer to new t_jit_glchunk pointer
orig priginal t_jit_glchunk pointer
Returns:
t_jit_err error code

Definition at line 151 of file jit.gl.chunk.c.

References jit_getbytes(), jit_glchunk_copy(), jit_glchunk_delete(), jit_object_method(), jit_object_new(), t_jit_glchunk::m_flags, t_jit_glchunk::m_index, t_jit_glchunk::m_index_name, t_jit_glchunk::m_vertex, t_jit_glchunk::m_vertex_name, t_jit_glchunk::next_chunk, and t_jit_glchunk::prim.

Referenced by jit_glchunk_copy().

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void jit_glchunk_delete ( t_jit_glchunk *  x  ) 

Disposes t_jit_glchunk struct.

Parameters:
x t_jit_glchunk pointer

Definition at line 126 of file jit.gl.chunk.c.

References jit_freebytes(), jit_glchunk_delete(), jit_object_free(), t_jit_glchunk::m_index, t_jit_glchunk::m_vertex, and t_jit_glchunk::next_chunk.

Referenced by jit_glchunk_copy(), jit_glchunk_delete(), jit_glchunk_grid_new(), and jit_glchunk_new().

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t_jit_glchunk* jit_glchunk_grid_new ( t_symbol *  prim,
int  planes,
int  width,
int  height 
)

Allocates and initializes a t_jit_glchunk struct with 2D grid matrix.

Parameters:
prim drawing primitive name
planes number of planes to allocate in vertex matrix
width width of vertex matrix to allocate
height height of vertex matrix to allocate
Returns:
t_jit_glchunk pointer

Definition at line 86 of file jit.gl.chunk.c.

References t_jit_matrix_info::dim, t_jit_matrix_info::dimcount, jit_getbytes(), jit_glchunk_delete(), jit_matrix_info_default(), jit_object_new(), t_jit_glchunk::m_flags, t_jit_glchunk::m_index, t_jit_glchunk::m_index_name, t_jit_glchunk::m_vertex, t_jit_glchunk::m_vertex_name, t_jit_glchunk::next_chunk, t_jit_matrix_info::planecount, t_jit_glchunk::prim, and t_jit_matrix_info::type.

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t_jit_glchunk* jit_glchunk_new ( t_symbol *  prim,
int  planes,
int  vertices,
int  indices 
)

Allocates and initializes a t_jit_glchunk struct.

Parameters:
prim drawing primitive name
planes number of planes to allocate in vertex matrix
vertices number of vertices to allocate in vertex matrix
indices number of indices to allocate in index matrix, if used
Returns:
t_jit_glchunk pointer

Definition at line 32 of file jit.gl.chunk.c.

References t_jit_matrix_info::dim, t_jit_matrix_info::dimcount, jit_getbytes(), jit_glchunk_delete(), jit_matrix_info_default(), jit_object_new(), t_jit_glchunk::m_flags, t_jit_glchunk::m_index, t_jit_glchunk::m_index_name, t_jit_glchunk::m_vertex, t_jit_glchunk::m_vertex_name, t_jit_glchunk::next_chunk, t_jit_matrix_info::planecount, t_jit_glchunk::prim, and t_jit_matrix_info::type.

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t_jit_err jit_ob3d_draw_chunk ( void *  v,
t_jit_glchunk *  chunk 
)

Draws one t_jit_glchunk If the OB3D is not in matrixoutput mode, the drawing call is made directly to the renderer.

Otherwise, the chunk is sent out the OB3D's outlet as a message compatible with jit.gl.render.

Parameters:
v t_jit_ob3d pointer
chunk t_jit_glchunk pointer
Returns:
t_jit_err error code

Definition at line 2743 of file jit.gl.ob3d.c.

References jit_atom_setlong(), jit_object_method(), and jit_object_notify().

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void jit_ob3d_free ( void *  jit_ob  ) 

Disposes OB3D resources.

Parameters:
jit_ob Jitter object pointer

Definition at line 784 of file jit.gl.ob3d.c.

References jit_freebytes().

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void* jit_ob3d_new ( void *  x,
t_symbol *  dest_name 
)

Allocates and initializes OB3D resources.

Parameters:
x Jitter object pointer
dest_name drawing destination name
Returns:
t_jit_ob3d pointer (opaque)

Definition at line 653 of file jit.gl.ob3d.c.

References jit_atom_setsym(), jit_getbytes(), jit_object_getmethod(), and jit_object_method().

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t_jit_err jit_ob3d_set_context ( void *  jit_ob  ) 

Sets the current Open GL context to the context referenced by the OB3D drawto attribute.

Warning:
Not recommended for use within the draw method, as it can have adverse effects when rendering to alternate contexts as is the case when capturing to a texture.
Parameters:
jit_ob Jitter object pointer
Returns:
t_jit_err error code

Definition at line 814 of file jit.gl.ob3d.c.

References jit_object_method().

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void* jit_ob3d_setup ( void *  jit_class,
long  oboffset,
long  flags 
)

Adds default methods and attributes to the OB3D class.

Parameters:
jit_class Jitter class pointer
oboffset object struct byte offset for t_jit_ob3d pointer
flags flags to override default OB3D behavior
Returns:
t_jit_class3d pointer (opaque)

Definition at line 66 of file jit.gl.ob3d.c.

References A_CANT, A_DEFER_LOW, calcoffset, gensym(), JIT_ATTR_GET_DEFER_LOW, JIT_ATTR_SET_USURP_LOW, jit_class_addattr(), jit_class_addmethod(), jit_getbytes(), JIT_OB3D_AUTO_ONLY, JIT_OB3D_HAS_CAMERA, JIT_OB3D_HAS_LIGHTS, JIT_OB3D_IS_RENDERER, JIT_OB3D_IS_SLAB, JIT_OB3D_NO_ANTIALIAS, JIT_OB3D_NO_BLEND, JIT_OB3D_NO_COLOR, JIT_OB3D_NO_DEPTH, JIT_OB3D_NO_FOG, JIT_OB3D_NO_LIGHTING_MATERIAL, JIT_OB3D_NO_MATRIXOUTPUT, JIT_OB3D_NO_POLY_VARS, JIT_OB3D_NO_ROTATION_SCALE, JIT_OB3D_NO_TEXTURE, and jit_object_new().

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t_jit_err max_jit_ob3d_assist ( void *  x,
void *  b,
long  m,
long  a,
char *  s 
)

Default OB3D Max wrapper assistance method.

Parameters:
x Max object pointer
b ignored
m inlet or outlet type
a index
s output string
Returns:
t_jit_err error code

Definition at line 1130 of file jit.gl.ob3d.c.

void max_jit_ob3d_attach ( void *  x,
t_jit_object *  jit_ob,
void *  outlet 
)

Allocates and initializes OB3D Max wrapper related resources.

Parameters:
x Max wrapper object pointer
jit_ob Jitter object pointer
outlet matrix outlet pointer

Definition at line 1070 of file jit.gl.ob3d.c.

References jit_attr_getsym(), jit_object_attach(), and jit_object_method().

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void max_jit_ob3d_detach ( void *  x  ) 

Disposes OB3D Max wrapper related resources.

Parameters:
x Max wrapper object pointer

Definition at line 1105 of file jit.gl.ob3d.c.

References jit_attr_getsym(), jit_object_detach(), and max_jit_obex_jitob_get().

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void max_ob3d_bang ( t_max_object *  x  ) 

Default OB3D Max wrapper bang method.

Parameters:
x Max object pointer

Definition at line 1216 of file jit.gl.ob3d.c.

References typedmess().

Referenced by max_ob3d_setup().

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void max_ob3d_notify ( t_max_object *  x,
t_symbol *  sender_name,
t_symbol *  msg,
void *  p_sender 
)

Default OB3D Max wrapper notification method.

Parameters:
x Max object pointer
sender_name sender's object name
msg notification message
p_sender sender's object pointer

Definition at line 1299 of file jit.gl.ob3d.c.

References jit_object_method().

Referenced by max_ob3d_setup().

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long ob3d_auto_get ( void *  v  ) 

Retrieves automatic flag from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
automatic flag

Definition at line 868 of file jit.gl.ob3d.c.

void ob3d_dest_dim_get ( void *  v,
long *  width,
long *  height 
)

Gets destination dimensions from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
width destination dimensions width pointer
height destination dimensions height pointer

Definition at line 998 of file jit.gl.ob3d.c.

void ob3d_dest_dim_set ( void *  v,
long  width,
long  height 
)

Sets destination dimensions in opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
width destination dimensions width
height destination dimensions height

Definition at line 979 of file jit.gl.ob3d.c.

long ob3d_dirty_get ( void *  v  ) 

Retrieves dirty flag from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
dirty flag

Definition at line 944 of file jit.gl.ob3d.c.

void ob3d_dirty_set ( void *  v,
long  c 
)

Sets dirty flag from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
c dirty flag state

Definition at line 962 of file jit.gl.ob3d.c.

long ob3d_enable_get ( void *  v  ) 

Retrieves enable flag from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
enable flag

Definition at line 887 of file jit.gl.ob3d.c.

void* ob3d_jitob_get ( void *  v  ) 

Retrieves parent Jitter object from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
parent Jitter object pointer

Definition at line 840 of file jit.gl.ob3d.c.

void* ob3d_outlet_get ( void *  v  ) 

Retrieves matrix outlet from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
matrix outlet

Definition at line 925 of file jit.gl.ob3d.c.

void* ob3d_render_ptr_get ( void *  v  ) 

Gets renderer pointer from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
renderer pointer

Definition at line 1036 of file jit.gl.ob3d.c.

void ob3d_render_ptr_set ( void *  v,
void *  render_ptr 
)

Sets renderer pointer in opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
render_ptr renderer pointer

Definition at line 1019 of file jit.gl.ob3d.c.

long ob3d_ui_get ( void *  v  ) 

Retrieves UI flag from opaque t_jit_ob3d struct.

Parameters:
v t_jit_ob3d pointer
Returns:
UI flag

Definition at line 906 of file jit.gl.ob3d.c.

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