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clutter_actor_project_point/vertices

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This commit is contained in:
Tomas Frydrych 2007-06-12 11:42:29 +00:00
parent c2236bb72a
commit 70a3c9fbe6
8 changed files with 538 additions and 589 deletions
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28
ChangeLog
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@ -1,3 +1,31 @@
2007-06-12 Tomas Frydrych <tf@openedhand.com>
* clutter/clutter-fixed.h:
Added shorthand CFX_QMUL macro.
* clutter/clutter-private.h:
* clutter/clutter-actor.h:
* clutter/clutter-actor.c:
Replaced ClutterVertices with ClutterVertex;
(clutter_actor_get_transformed_vertices):
(clutter_actor_get_transformed_point):
Replaced with clutter_actor_projected_vertices and
clutter_actor_projected_point.
(_clutter_actor_apply_modelview_transform):
(_clutter_actor_apply_modelview_transform_recursive):
Private functions to push actor modelview transforms on OpenGL
stack.
* clutter/cogl/cogl.h:
* clutter/cogl/gl/cogl.c:
* clutter/cogl/gles/cogl.c:
(cogl_get_viewport):
(cogl_get_modelview_matrix):
(cogl_get_projection_matrix):
Functions to access OpenGL transforms.
2007-06-12 Matthew Allum <mallum@openedhand.com>
* clutter/clutter-alpha.c:

931
clutter/clutter-actor.c
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File diff suppressed because it is too large Load Diff

48
clutter/clutter-actor.h
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@ -77,7 +77,7 @@ typedef struct _ClutterActorClass ClutterActorClass;
typedef struct _ClutterActorBox ClutterActorBox;
typedef struct _ClutterActorPrivate ClutterActorPrivate;
typedef struct _ClutterGeometry ClutterGeometry;
typedef struct _ClutterVertices ClutterVertices;
typedef struct _ClutterVertex ClutterVertex;
typedef void (*ClutterCallback) (ClutterActor *actor, gpointer data);
#define CLUTTER_CALLBACK(f) ((ClutterCallback) (f))
@ -108,35 +108,11 @@ struct _ClutterActorBox { ClutterUnit x1, y1, x2, y2; };
GType clutter_actor_box_get_type (void) G_GNUC_CONST;
struct _ClutterVertices
struct _ClutterVertex
{
struct
{
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
}topleft;
struct
{
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
}topright;
struct
{
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
}bottomleft;
struct
{
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
}bottomright;
ClutterUnit x;
ClutterUnit y;
ClutterUnit z;
};
GType clutter_vertices_get_type (void) G_GNUC_CONST;
@ -306,15 +282,13 @@ void clutter_actor_move_by (ClutterActor *sel
gint dx,
gint dy);
void clutter_actor_get_transformed_vertices (ClutterActor *self,
ClutterVertices * verts);
void clutter_actor_project_vertices (ClutterActor *self,
ClutterVertex verts[4]);
void clutter_actor_get_transformed_point (ClutterActor *actor,
gint x,
gint y,
ClutterUnit *x_return,
ClutterUnit *y_return,
ClutterUnit *z_return);
void clutter_actor_project_point (ClutterActor *actor,
ClutterUnit *x,
ClutterUnit *y,
ClutterUnit *z);
G_END_DECLS

1
clutter/clutter-fixed.h
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@ -143,6 +143,7 @@ typedef gint32 ClutterAngle; /* angle such that 1024 == 2*PI */
#define CFX_INT CLUTTER_FIXED_INT
#define CFX_MUL CLUTTER_FIXED_MUL
#define CFX_DIV CLUTTER_FIXED_DIV
#define CFX_QMUL(x,y) clutter_qmulx (x,y)
/* Fixed point math routines */
extern inline

4
clutter/clutter-private.h
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@ -123,6 +123,10 @@ void _clutter_feature_init (void);
/* Does this need to be private ? */
void clutter_do_event (ClutterEvent *event);
void _clutter_actor_apply_modelview_transform (ClutterActor * self);
void _clutter_actor_apply_modelview_transform_recursive (ClutterActor * self);
G_END_DECLS
#endif /* _HAVE_CLUTTER_PRIVATE_H */

9
clutter/cogl/cogl.h
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@ -189,6 +189,15 @@ cogl_alpha_func (COGLenum func,
ClutterFeatureFlags
cogl_get_features ();
void
cogl_get_modelview_matrix (ClutterFixed m[16]);
void
cogl_get_projection_matrix (ClutterFixed m[16]);
void
cogl_get_viewport (ClutterFixed v[4]);
G_END_DECLS
#endif /* __COGL_H__ */

72
clutter/cogl/gl/cogl.c
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@ -533,7 +533,6 @@ cogl_setup_viewport (guint width,
/* camera distance from screen, 0.5 * tan (FOV) */
#define DEFAULT_Z_CAMERA 0.866025404f
z_camera = CLUTTER_FIXED_TO_FLOAT (clutter_tani (fovy) >> 1);
GE( glTranslatef (-0.5f, -0.5f, -z_camera) );
@ -585,3 +584,74 @@ cogl_get_features ()
return flags;
}
void
cogl_get_modelview_matrix (ClutterFixed m[16])
{
GLdouble md[16];
glGetDoublev(GL_MODELVIEW_MATRIX, &md[0]);
#define M(m,row,col) m[col*4+row]
M(m,0,0) = CLUTTER_FLOAT_TO_FIXED (M(md,0,0));
M(m,0,1) = CLUTTER_FLOAT_TO_FIXED (M(md,0,1));
M(m,0,2) = CLUTTER_FLOAT_TO_FIXED (M(md,0,2));
M(m,0,3) = CLUTTER_FLOAT_TO_FIXED (M(md,0,3));
M(m,1,0) = CLUTTER_FLOAT_TO_FIXED (M(md,1,0));
M(m,1,1) = CLUTTER_FLOAT_TO_FIXED (M(md,1,1));
M(m,1,2) = CLUTTER_FLOAT_TO_FIXED (M(md,1,2));
M(m,1,3) = CLUTTER_FLOAT_TO_FIXED (M(md,1,3));
M(m,2,0) = CLUTTER_FLOAT_TO_FIXED (M(md,2,0));
M(m,2,1) = CLUTTER_FLOAT_TO_FIXED (M(md,2,1));
M(m,2,2) = CLUTTER_FLOAT_TO_FIXED (M(md,2,2));
M(m,2,3) = CLUTTER_FLOAT_TO_FIXED (M(md,2,3));
M(m,3,0) = CLUTTER_FLOAT_TO_FIXED (M(md,3,0));
M(m,3,1) = CLUTTER_FLOAT_TO_FIXED (M(md,3,1));
M(m,3,2) = CLUTTER_FLOAT_TO_FIXED (M(md,3,2));
M(m,3,3) = CLUTTER_FLOAT_TO_FIXED (M(md,3,3));
#undef M
}
void
cogl_get_projection_matrix (ClutterFixed m[16])
{
GLdouble md[16];
glGetDoublev(GL_PROJECTION_MATRIX, &md[0]);
#define M(m,row,col) m[col*4+row]
M(m,0,0) = CLUTTER_FLOAT_TO_FIXED (M(md,0,0));
M(m,0,1) = CLUTTER_FLOAT_TO_FIXED (M(md,0,1));
M(m,0,2) = CLUTTER_FLOAT_TO_FIXED (M(md,0,2));
M(m,0,3) = CLUTTER_FLOAT_TO_FIXED (M(md,0,3));
M(m,1,0) = CLUTTER_FLOAT_TO_FIXED (M(md,1,0));
M(m,1,1) = CLUTTER_FLOAT_TO_FIXED (M(md,1,1));
M(m,1,2) = CLUTTER_FLOAT_TO_FIXED (M(md,1,2));
M(m,1,3) = CLUTTER_FLOAT_TO_FIXED (M(md,1,3));
M(m,2,0) = CLUTTER_FLOAT_TO_FIXED (M(md,2,0));
M(m,2,1) = CLUTTER_FLOAT_TO_FIXED (M(md,2,1));
M(m,2,2) = CLUTTER_FLOAT_TO_FIXED (M(md,2,2));
M(m,2,3) = CLUTTER_FLOAT_TO_FIXED (M(md,2,3));
M(m,3,0) = CLUTTER_FLOAT_TO_FIXED (M(md,3,0));
M(m,3,1) = CLUTTER_FLOAT_TO_FIXED (M(md,3,1));
M(m,3,2) = CLUTTER_FLOAT_TO_FIXED (M(md,3,2));
M(m,3,3) = CLUTTER_FLOAT_TO_FIXED (M(md,3,3));
#undef M
}
void
cogl_get_viewport (ClutterFixed v[4])
{
GLdouble vd[4];
glGetDoublev(GL_VIEWPORT, &vd[0]);
v[0] = CLUTTER_FLOAT_TO_FIXED (vd[0]);
v[1] = CLUTTER_FLOAT_TO_FIXED (vd[1]);
v[2] = CLUTTER_FLOAT_TO_FIXED (vd[2]);
v[3] = CLUTTER_FLOAT_TO_FIXED (vd[3]);
}

18
clutter/cogl/gles/cogl.c
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@ -533,3 +533,21 @@ cogl_get_features ()
/* Suck */
return 0;
}
void
cogl_get_modelview_matrix (ClutterFixed m[16])
{
glGetFixedv(GL_MODELVIEW_MATRIX, &m[0]);
}
void
cogl_get_projection_matrix (ClutterFixed m[16])
{
glGetFixedv(GL_PROJECTION_MATRIX, &m[0]);
}
void
cogl_get_viewport (ClutterFixed v[4])
{
glGetFixedv(GL_VIEWPORT, &v[0]);
}